/* roulang page: index */
:root {
            --color-primary: #C2571B;
            --color-primary-hover: #A3460F;
            --color-primary-soft: #F5E6D9;
            --color-secondary: #7A4A2B;
            --color-accent: #D48A3D;
            --color-bg: #FAF6F0;
            --color-card: #FFFFFF;
            --color-text: #2E2018;
            --color-text-heading: #1E120B;
            --color-muted: #8A7565;
            --color-border: rgba(94, 60, 30, 0.12);
            --color-border-strong: rgba(94, 60, 30, 0.22);
            --color-footer-bg: #2B1D12;
            --color-footer-text: #F0E4D6;
            --color-footer-muted: #B8A895;
            --radius-sm: 6px;
            --radius-card: 14px;
            --radius-btn: 10px;
            --radius-full: 999px;
            --shadow-card: 0 4px 20px rgba(75, 45, 20, 0.07);
            --shadow-card-hover: 0 12px 32px rgba(105, 60, 20, 0.16);
            --shadow-btn: 0 4px 14px rgba(194, 87, 27, 0.28);
            --shadow-btn-hover: 0 6px 20px rgba(194, 87, 27, 0.38);
            --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
            --font-mono: "SF Mono", "JetBrains Mono", "Fira Code", Consolas, "Courier New", monospace;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            --container-max: 1200px;
            --section-padding: 72px 0;
            --section-gap-sm: 32px;
            --section-gap-md: 48px;
            --section-gap-lg: 80px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--color-primary-hover);
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            color: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        ul,
        ol {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 800;
            line-height: 1.3;
            color: var(--color-text-heading);
        }

        h1 {
            font-size: 32px;
            letter-spacing: -0.02em;
        }

        h2 {
            font-size: 26px;
            letter-spacing: -0.01em;
        }

        h3 {
            font-size: 19px;
            letter-spacing: 0;
        }

        h4 {
            font-size: 17px;
        }

        small {
            font-size: 13px;
            color: var(--color-muted);
        }

        :focus-visible {
            outline: 2px solid #3A2515;
            outline-offset: 3px;
            border-radius: 2px;
        }

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header / Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(250, 246, 240, 0.94);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--color-border);
            box-shadow: 0 1px 12px rgba(75, 45, 20, 0.04);
            transition: box-shadow var(--transition-base);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 24px rgba(75, 45, 20, 0.08);
        }

        .header-inner {
            display: flex;
            align-items: center;
            gap: 16px;
            height: 68px;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        .logo-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
            color: var(--color-text-heading);
            font-weight: 800;
            font-size: 20px;
            letter-spacing: -0.01em;
            transition: color var(--transition-fast);
        }

        .logo-link:hover {
            color: var(--color-primary);
        }

        .logo-mark {
            width: 34px;
            height: 34px;
            border-radius: 9px;
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 16px;
            letter-spacing: -0.02em;
            box-shadow: 0 2px 10px rgba(194, 87, 27, 0.25);
            flex-shrink: 0;
        }

        .nav-search-wrap {
            flex: 1;
            display: flex;
            justify-content: center;
            min-width: 0;
        }

        .nav-search {
            width: 100%;
            max-width: 480px;
            position: relative;
            display: flex;
            align-items: center;
        }

        .nav-search input[type="search"] {
            width: 100%;
            height: 42px;
            border-radius: var(--radius-full);
            border: 1.5px solid var(--color-border-strong);
            background: var(--color-card);
            padding: 0 48px 0 46px;
            font-size: 14px;
            color: var(--color-text);
            outline: none;
            box-shadow: 0 1px 6px rgba(75, 45, 20, 0.04);
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            appearance: none;
            -webkit-appearance: none;
        }

        .nav-search input[type="search"]::placeholder {
            color: #B0A090;
            font-size: 14px;
        }

        .nav-search input[type="search"]:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 4px rgba(194, 87, 27, 0.1), 0 1px 6px rgba(75, 45, 20, 0.05);
        }

        .search-icon-btn {
            position: absolute;
            left: 14px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--color-muted);
            pointer-events: none;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 20px;
            height: 20px;
        }

        .search-submit-btn {
            position: absolute;
            right: 6px;
            top: 50%;
            transform: translateY(-50%);
            background: var(--color-primary);
            color: #fff;
            border-radius: var(--radius-full);
            width: 32px;
            height: 32px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
            box-shadow: 0 2px 8px rgba(194, 87, 27, 0.2);
        }

        .search-submit-btn:hover {
            background: var(--color-primary-hover);
            box-shadow: 0 4px 12px rgba(194, 87, 27, 0.3);
        }

        .search-submit-btn:active {
            transform: translateY(-50%) scale(0.94);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-shrink: 0;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 6px 12px;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text);
            border-radius: var(--radius-full);
            transition: color var(--transition-fast), background var(--transition-fast);
            white-space: nowrap;
        }

        .nav-link:hover {
            color: var(--color-primary);
            background: var(--color-primary-soft);
        }

        .nav-link.active {
            color: var(--color-primary);
            background: var(--color-primary-soft);
        }

        .nav-more {
            position: relative;
        }

        .nav-more-btn {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 6px 12px;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text);
            border-radius: var(--radius-full);
            transition: color var(--transition-fast), background var(--transition-fast);
        }

        .nav-more-btn:hover {
            color: var(--color-primary);
            background: var(--color-primary-soft);
        }

        .nav-more-menu {
            position: absolute;
            top: calc(100% + 8px);
            right: 0;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card-hover);
            min-width: 160px;
            padding: 8px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(8px);
            transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base);
            z-index: 1001;
        }

        .nav-more:hover .nav-more-menu,
        .nav-more:focus-within .nav-more-menu {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .nav-more-menu a {
            display: block;
            padding: 8px 14px;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text);
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast), color var(--transition-fast);
        }

        .nav-more-menu a:hover {
            background: var(--color-primary-soft);
            color: var(--color-primary);
        }

        .mobile-menu-btn {
            display: none;
            width: 38px;
            height: 38px;
            border-radius: 10px;
            align-items: center;
            justify-content: center;
            color: var(--color-text);
            background: transparent;
            transition: background var(--transition-fast);
            flex-shrink: 0;
        }

        .mobile-menu-btn:hover {
            background: var(--color-primary-soft);
        }

        .mobile-menu-btn svg {
            width: 22px;
            height: 22px;
            stroke: currentColor;
            fill: none;
            stroke-width: 2;
            stroke-linecap: round;
            stroke-linejoin: round;
        }

        .mobile-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(30, 18, 10, 0.45);
            z-index: 999;
            opacity: 0;
            transition: opacity var(--transition-base);
        }

        .mobile-overlay.open {
            opacity: 1;
        }

        .mobile-nav-panel {
            display: none;
            position: fixed;
            top: 68px;
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--color-bg);
            z-index: 1000;
            padding: 20px 24px 60px;
            overflow-y: auto;
            transform: translateY(-12px);
            opacity: 0;
            visibility: hidden;
            transition: transform var(--transition-base), opacity var(--transition-base), visibility var(--transition-base);
        }

        .mobile-nav-panel.open {
            transform: translateY(0);
            opacity: 1;
            visibility: visible;
        }

        .mobile-search-wrap {
            margin-bottom: 20px;
        }

        .mobile-search-wrap input[type="search"] {
            width: 100%;
            height: 46px;
            border-radius: var(--radius-full);
            border: 1.5px solid var(--color-border-strong);
            background: var(--color-card);
            padding: 0 48px 0 46px;
            font-size: 15px;
            outline: none;
            transition: border-color var(--transition-fast);
        }

        .mobile-search-wrap input[type="search"]:focus {
            border-color: var(--color-primary);
        }

        .mobile-nav-link {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 8px;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text-heading);
            border-bottom: 1px solid var(--color-border);
            transition: color var(--transition-fast), padding-left var(--transition-fast);
        }

        .mobile-nav-link:hover {
            color: var(--color-primary);
            padding-left: 14px;
        }

        .mobile-nav-link.active {
            color: var(--color-primary);
        }

        /* Hero */
        .hero {
            position: relative;
            min-height: 620px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            margin-top: 68px;
            overflow: hidden;
            isolation: isolate;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(24, 14, 8, 0.72) 0%, rgba(24, 14, 8, 0.55) 45%, rgba(24, 14, 8, 0.78) 100%);
            z-index: -1;
        }

        .hero::after {
            content: '28';
            position: absolute;
            right: 4%;
            bottom: 4%;
            font-size: 220px;
            font-weight: 900;
            color: rgba(255, 255, 255, 0.04);
            letter-spacing: -0.06em;
            z-index: -1;
            pointer-events: none;
            user-select: none;
        }

        .hero-grid-overlay {
            position: absolute;
            inset: 0;
            background-image: linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
            background-size: 60px 60px;
            z-index: -1;
            pointer-events: none;
        }

        .hero-inner {
            max-width: 760px;
            padding: 80px 24px;
            z-index: 1;
        }

        .hero-play-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 72px;
            height: 72px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.12);
            border: 2px solid rgba(255, 255, 255, 0.4);
            color: #fff;
            font-size: 28px;
            margin-bottom: 28px;
            cursor: pointer;
            transition: background var(--transition-base), transform var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
            position: relative;
        }

        .hero-play-btn:hover {
            background: rgba(255, 255, 255, 0.22);
            border-color: rgba(255, 255, 255, 0.65);
            transform: scale(1.06);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
        }

        .hero-play-btn:active {
            transform: scale(0.96);
        }

        .hero-play-btn svg {
            width: 30px;
            height: 30px;
            fill: #fff;
            margin-left: 3px;
        }

        .hero h1 {
            font-size: 38px;
            color: #fff;
            letter-spacing: -0.025em;
            margin-bottom: 18px;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
        }

        .hero-subtitle {
            font-size: 17px;
            line-height: 1.75;
            color: rgba(255, 245, 235, 0.88);
            max-width: 620px;
            margin: 0 auto 32px;
        }

        .hero-cta-group {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 36px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 13px 28px;
            font-size: 15px;
            font-weight: 700;
            border-radius: var(--radius-btn);
            transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
            letter-spacing: 0.01em;
            white-space: nowrap;
        }

        .btn:active {
            transform: translateY(1px);
        }

        .btn-primary {
            background: var(--color-primary);
            color: #fff;
            box-shadow: var(--shadow-btn);
        }

        .btn-primary:hover {
            background: var(--color-primary-hover);
            box-shadow: var(--shadow-btn-hover);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, 0.5);
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.8);
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-outline {
            background: transparent;
            color: var(--color-primary);
            border: 1.5px solid var(--color-border-strong);
        }

        .btn-outline:hover {
            background: var(--color-primary-soft);
            border-color: var(--color-primary);
            color: var(--color-primary);
            transform: translateY(-2px);
        }

        .btn-sm {
            padding: 9px 18px;
            font-size: 13px;
            border-radius: 8px;
        }

        .btn-xs {
            padding: 6px 14px;
            font-size: 12px;
            border-radius: 6px;
        }

        .hero-stats {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 36px;
            flex-wrap: wrap;
            color: rgba(255, 245, 235, 0.75);
            font-size: 14px;
        }

        .hero-stat {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 2px;
        }

        .hero-stat strong {
            font-size: 24px;
            font-weight: 800;
            color: #fff;
            font-family: var(--font-mono);
            letter-spacing: -0.02em;
        }

        .hero-stat span {
            font-size: 13px;
        }

        /* Main sections */
        main {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: var(--section-gap-lg);
            padding-bottom: 0;
        }

        section {
            display: block;
        }

        .section-head {
            margin-bottom: 36px;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            padding: 4px 14px;
            font-size: 13px;
            font-weight: 700;
            color: var(--color-primary);
            background: var(--color-primary-soft);
            border-radius: var(--radius-full);
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }

        .section-head h2 {
            margin-bottom: 8px;
            font-size: 26px;
        }

        .section-head p {
            font-size: 15px;
            color: var(--color-muted);
            max-width: 620px;
            line-height: 1.7;
        }

        .section-desc {
            font-size: 14px;
            color: var(--color-muted);
            line-height: 1.75;
            margin-top: 8px;
        }

        /* Horizontal track */
        .horizontal-track-section {
            padding: var(--section-padding);
            background: linear-gradient(180deg, var(--color-bg) 0%, #F3EDE4 100%);
        }

        .track-wrapper {
            position: relative;
            overflow: hidden;
        }

        .track-scroll {
            display: flex;
            gap: 18px;
            overflow-x: auto;
            scroll-snap-type: x mandatory;
            padding: 8px 2px 20px;
            scrollbar-width: thin;
            scrollbar-color: var(--color-primary) transparent;
            -webkit-overflow-scrolling: touch;
        }

        .track-scroll::-webkit-scrollbar {
            height: 5px;
        }

        .track-scroll::-webkit-scrollbar-track {
            background: transparent;
        }

        .track-scroll::-webkit-scrollbar-thumb {
            background: rgba(194, 87, 27, 0.35);
            border-radius: 999px;
        }

        .track-item {
            flex: 0 0 auto;
            width: 220px;
            scroll-snap-align: start;
            background: var(--color-card);
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
            cursor: pointer;
        }

        .track-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(194, 87, 27, 0.2);
        }

        .track-item img {
            width: 100%;
            height: 130px;
            object-fit: cover;
            aspect-ratio: 16/10;
        }

        .track-item-body {
            padding: 14px 16px 16px;
        }

        .track-item-body h3 {
            font-size: 15px;
            margin-bottom: 4px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            transition: color var(--transition-fast);
        }

        .track-item:hover .track-item-body h3 {
            color: var(--color-primary);
        }

        .track-item-body p {
            font-size: 13px;
            color: var(--color-muted);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .track-badge {
            display: inline-block;
            font-size: 11px;
            font-weight: 700;
            color: var(--color-primary);
            background: var(--color-primary-soft);
            padding: 2px 10px;
            border-radius: 999px;
            margin-bottom: 8px;
        }

        /* Card grid */
        .grid {
            display: grid;
            gap: 24px;
        }

        .grid-2 {
            grid-template-columns: repeat(2, 1fr);
        }

        .grid-3 {
            grid-template-columns: repeat(3, 1fr);
        }

        .grid-4 {
            grid-template-columns: repeat(4, 1fr);
        }

        .card {
            background: var(--color-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
        }

        .card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(194, 87, 27, 0.2);
        }

        .card-img {
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
            display: block;
        }

        .card-body {
            padding: 18px 20px 20px;
        }

        .card-body h3 {
            font-size: 16px;
            margin-bottom: 6px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            transition: color var(--transition-fast);
        }

        .card:hover .card-body h3 {
            color: var(--color-primary);
        }

        .card-body p {
            font-size: 14px;
            color: var(--color-muted);
            line-height: 1.65;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 12px;
        }

        .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: var(--color-muted);
        }

        .card-tag {
            display: inline-block;
            font-size: 11px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 999px;
            background: #F5EDE5;
            color: var(--color-secondary);
        }

        .card-link {
            font-size: 13px;
            font-weight: 700;
            color: var(--color-primary);
            transition: color var(--transition-fast);
        }

        .card-link:hover {
            color: var(--color-primary-hover);
        }

        /* Hot recommendation */
        .hot-section {
            padding: var(--section-padding);
            background: var(--color-bg);
        }

        /* Category grid */
        .categories-section {
            padding: var(--section-padding);
            background: linear-gradient(180deg, #F3EDE4 0%, var(--color-bg) 100%);
        }

        .category-tile {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            gap: 8px;
            padding: 22px 20px;
            background: var(--color-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
            cursor: pointer;
            min-height: 130px;
        }

        .category-tile:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(194, 87, 27, 0.2);
        }

        .category-tile-icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: var(--color-primary-soft);
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 16px;
            flex-shrink: 0;
        }

        .category-tile h3 {
            font-size: 16px;
            color: var(--color-text-heading);
            transition: color var(--transition-fast);
        }

        .category-tile:hover h3 {
            color: var(--color-primary);
        }

        .category-tile p {
            font-size: 13px;
            color: var(--color-muted);
            line-height: 1.55;
            flex: 1;
        }

        .category-tile-arrow {
            font-size: 16px;
            color: var(--color-muted);
            transition: transform var(--transition-fast), color var(--transition-fast);
            align-self: flex-end;
        }

        .category-tile:hover .category-tile-arrow {
            transform: translateX(4px);
            color: var(--color-primary);
        }

        /* News section */
        .news-section {
            padding: var(--section-padding);
            background: var(--color-bg);
        }

        .news-layout {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 32px;
        }

        .news-list {
            display: flex;
            flex-direction: column;
        }

        .news-item {
            display: flex;
            flex-direction: column;
            gap: 6px;
            padding: 20px 0;
            border-bottom: 1px solid var(--color-border);
            transition: padding-left var(--transition-fast);
        }

        .news-item:first-child {
            padding-top: 0;
        }

        .news-item:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .news-item:hover {
            padding-left: 8px;
        }

        .news-item-date {
            font-size: 12px;
            color: var(--color-muted);
            font-weight: 600;
            letter-spacing: 0.03em;
        }

        .news-item h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-text-heading);
            transition: color var(--transition-fast);
            line-height: 1.45;
        }

        .news-item:hover h3 {
            color: var(--color-primary);
        }

        .news-item p {
            font-size: 14px;
            color: var(--color-muted);
            line-height: 1.6;
        }

        .news-item .card-link {
            align-self: flex-start;
            font-size: 13px;
        }

        .news-sidebar {
            background: var(--color-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            padding: 20px;
            box-shadow: var(--shadow-card);
            height: fit-content;
            position: sticky;
            top: 88px;
        }

        .news-sidebar h3 {
            font-size: 16px;
            margin-bottom: 14px;
            color: var(--color-text-heading);
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 18px;
        }

        .tag-cloud span {
            font-size: 12px;
            padding: 4px 12px;
            border-radius: 999px;
            background: #F5EDE5;
            color: var(--color-secondary);
            cursor: pointer;
            transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
        }

        .tag-cloud span:hover {
            background: var(--color-primary-soft);
            color: var(--color-primary);
            transform: translateY(-1px);
        }

        .update-time {
            font-size: 13px;
            color: var(--color-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        /* CTA section */
        .cta-section {
            padding: var(--section-padding);
            background: var(--color-footer-bg);
            position: relative;
            overflow: hidden;
            isolation: isolate;
        }

        .cta-section::before {
            content: '28';
            position: absolute;
            left: 2%;
            bottom: -30%;
            font-size: 280px;
            font-weight: 900;
            color: rgba(255, 255, 255, 0.03);
            z-index: -1;
            letter-spacing: -0.06em;
        }

        .cta-inner {
            text-align: center;
            max-width: 640px;
            margin: 0 auto;
        }

        .cta-inner h2 {
            color: #fff;
            font-size: 28px;
            margin-bottom: 14px;
        }

        .cta-inner p {
            color: var(--color-footer-muted);
            font-size: 15px;
            line-height: 1.7;
            margin-bottom: 28px;
        }

        .cta-inner .btn-primary {
            background: var(--color-primary);
            color: #fff;
            box-shadow: 0 6px 24px rgba(194, 87, 27, 0.35);
        }

        /* Topics section */
        .topics-section {
            padding: var(--section-padding);
            background: linear-gradient(180deg, var(--color-bg) 0%, #F7F1E9 100%);
        }

        .topic-strip {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 8px;
        }

        .topic-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 16px;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text-heading);
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-full);
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .topic-tag:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            background: var(--color-primary-soft);
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(194, 87, 27, 0.1);
        }

        .topic-tag .topic-num {
            font-size: 11px;
            font-weight: 700;
            color: var(--color-primary);
            background: var(--color-primary-soft);
            padding: 1px 8px;
            border-radius: 999px;
            min-width: 28px;
            text-align: center;
        }

        /* Highlights section */
        .highlights-section {
            padding: var(--section-padding);
            background: var(--color-bg);
        }

        .highlight-card {
            flex: 0 0 auto;
            width: 280px;
            background: var(--color-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            scroll-snap-align: start;
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
            cursor: pointer;
        }

        .highlight-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(194, 87, 27, 0.2);
        }

        .highlight-card img {
            width: 100%;
            height: 150px;
            object-fit: cover;
            aspect-ratio: 16/10;
        }

        .highlight-card-body {
            padding: 16px 18px 18px;
        }

        .highlight-card-body h3 {
            font-size: 15px;
            margin-bottom: 6px;
            color: var(--color-text-heading);
            transition: color var(--transition-fast);
        }

        .highlight-card:hover .highlight-card-body h3 {
            color: var(--color-primary);
        }

        .highlight-card-body p {
            font-size: 13px;
            color: var(--color-muted);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .highlight-badge {
            display: inline-block;
            font-size: 11px;
            font-weight: 700;
            color: #fff;
            background: var(--color-primary);
            padding: 2px 10px;
            border-radius: 999px;
            margin-bottom: 8px;
        }

        /* Focus topics */
        .focus-section {
            padding: var(--section-padding);
            background: linear-gradient(180deg, #F7F1E9 0%, var(--color-bg) 100%);
        }

        .focus-card {
            background: var(--color-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            padding: 22px 22px 24px;
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 10px;
            cursor: pointer;
            min-height: 160px;
        }

        .focus-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(194, 87, 27, 0.2);
        }

        .focus-card h3 {
            font-size: 16px;
            color: var(--color-text-heading);
            transition: color var(--transition-fast);
        }

        .focus-card:hover h3 {
            color: var(--color-primary);
        }

        .focus-card p {
            font-size: 13px;
            color: var(--color-muted);
            line-height: 1.6;
            flex: 1;
        }

        .focus-card .card-link {
            align-self: flex-start;
        }

        /* Brand intro */
        .brand-section {
            padding: var(--section-padding);
            background: var(--color-bg);
        }

        .brand-content {
            max-width: 780px;
            margin: 0 auto;
            text-align: center;
        }

        .brand-content h2 {
            margin-bottom: 18px;
        }

        .brand-content p {
            font-size: 15px;
            color: var(--color-text);
            line-height: 1.85;
            text-align: left;
            margin-bottom: 16px;
        }

        /* FAQ */
        .faq-section {
            padding: var(--section-padding);
            background: linear-gradient(180deg, var(--color-bg) 0%, #F3EDE4 100%);
        }

        .faq-list {
            border-top: 1px solid var(--color-border-strong);
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid var(--color-border);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 6px;
            font-size: 17px;
            font-weight: 700;
            color: var(--color-text-heading);
            cursor: pointer;
            user-select: none;
            transition: color var(--transition-fast);
            background: transparent;
            width: 100%;
            text-align: left;
        }

        .faq-question:hover {
            color: var(--color-primary);
        }

        .faq-arrow {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 26px;
            height: 26px;
            border-radius: 50%;
            background: var(--color-primary-soft);
            color: var(--color-primary);
            flex-shrink: 0;
            transition: transform var(--transition-base), background var(--transition-fast);
            font-size: 16px;
        }

        .faq-item.open .faq-arrow {
            transform: rotate(90deg);
            background: var(--color-primary);
            color: #fff;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow), opacity var(--transition-base);
            opacity: 0;
            padding: 0 6px;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            opacity: 1;
            padding: 0 6px 18px;
        }

        .faq-answer p {
            font-size: 15px;
            color: var(--color-muted);
            line-height: 1.75;
        }

        /* Contact */
        .contact-section {
            padding: var(--section-padding);
            background: var(--color-bg);
        }

        .contact-form-wrap {
            max-width: 640px;
            margin: 0 auto;
            background: var(--color-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            padding: 32px 32px 36px;
        }

        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            margin-bottom: 16px;
        }

        .form-group {
            display: flex;
            flex-direction: column;
            gap: 6px;
            margin-bottom: 16px;
        }

        .form-group label {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text-heading);
        }

        .form-group input,
        .form-group textarea {
            width: 100%;
            padding: 10px 14px;
            font-size: 15px;
            color: var(--color-text);
            background: var(--color-bg);
            border: none;
            border-bottom: 2px solid var(--color-border-strong);
            border-radius: 4px 4px 0 0;
            outline: none;
            transition: border-color var(--transition-fast), background var(--transition-fast);
            resize: vertical;
        }

        .form-group input:focus,
        .form-group textarea:focus {
            border-bottom-color: var(--color-primary);
            background: #FDF9F5;
        }

        .form-group textarea {
            min-height: 100px;
            border: 1.5px solid var(--color-border-strong);
            border-radius: 8px;
            resize: vertical;
        }

        .form-group textarea:focus {
            border-color: var(--color-primary);
        }

        .form-submit-btn {
            width: 100%;
            padding: 14px 28px;
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            background: var(--color-primary);
            border-radius: var(--radius-btn);
            border: none;
            cursor: pointer;
            transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
            box-shadow: var(--shadow-btn);
            letter-spacing: 0.02em;
        }

        .form-submit-btn:hover {
            background: var(--color-primary-hover);
            box-shadow: var(--shadow-btn-hover);
            transform: translateY(-2px);
        }

        .form-submit-btn:active {
            transform: translateY(1px);
        }

        /* Footer */
        .site-footer {
            background: var(--color-footer-bg);
            color: var(--color-footer-text);
            padding: 56px 0 0;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            padding-bottom: 40px;
        }

        .footer-brand .logo-link {
            color: #fff;
            font-size: 22px;
            margin-bottom: 14px;
        }

        .footer-brand .logo-link:hover {
            color: var(--color-accent);
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--color-footer-muted);
            line-height: 1.7;
            max-width: 320px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 15px;
            margin-bottom: 16px;
            font-weight: 700;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col ul a {
            font-size: 14px;
            color: var(--color-footer-muted);
            transition: color var(--transition-fast);
        }

        .footer-col ul a:hover {
            color: var(--color-accent);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 22px 0 28px;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
            text-align: center;
        }

        .footer-bottom p {
            font-size: 13px;
            color: var(--color-footer-muted);
        }

        .footer-bottom-links {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .footer-bottom-links a {
            font-size: 13px;
            color: var(--color-footer-muted);
            transition: color var(--transition-fast);
        }

        .footer-bottom-links a:hover {
            color: var(--color-accent);
        }

        .footer-sep {
            color: rgba(255, 255, 255, 0.2);
            pointer-events: none;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .header-inner {
                gap: 10px;
                height: 60px;
                padding: 0 16px;
            }

            .hero {
                margin-top: 60px;
                min-height: 540px;
            }

            .hero h1 {
                font-size: 30px;
            }

            .nav-search input[type="search"] {
                max-width: 320px;
            }

            .nav-links {
                gap: 2px;
            }

            .nav-link {
                padding: 6px 9px;
                font-size: 13px;
            }

            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }

            .grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }

            .news-layout {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .news-sidebar {
                position: static;
            }

            h1 {
                font-size: 28px;
            }

            h2 {
                font-size: 23px;
            }

            .track-item {
                width: 190px;
            }

            .highlight-card {
                width: 240px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-padding: 52px 0;
                --section-gap-lg: 52px;
                --section-gap-md: 36px;
            }

            .header-inner {
                height: 56px;
                padding: 0 12px;
                gap: 8px;
            }

            .hero {
                margin-top: 56px;
                min-height: 480px;
            }

            .hero-inner {
                padding: 56px 16px;
            }

            .hero h1 {
                font-size: 24px;
            }

            .hero-subtitle {
                font-size: 15px;
                line-height: 1.65;
            }

            .hero-stats {
                gap: 20px;
            }

            .hero-stat strong {
                font-size: 20px;
            }

            .nav-search-wrap {
                display: none;
            }

            .nav-links {
                display: none;
            }

            .mobile-menu-btn {
                display: inline-flex;
                margin-left: auto;
            }

            .mobile-overlay,
            .mobile-nav-panel {
                display: block;
            }

            .mobile-nav-panel {
                top: 56px;
            }

            h1 {
                font-size: 24px;
            }

            h2 {
                font-size: 20px;
            }

            h3 {
                font-size: 17px;
            }

            .grid-2,
            .grid-3,
            .grid-4 {
                grid-template-columns: 1fr;
            }

            .form-row {
                grid-template-columns: 1fr;
                gap: 0;
            }

            .track-item {
                width: 160px;
            }

            .track-item img {
                height: 105px;
            }

            .highlight-card {
                width: 200px;
            }

            .highlight-card img {
                height: 120px;
            }

            .section-head {
                margin-bottom: 24px;
            }

            .section-head p {
                font-size: 14px;
            }

            .contact-form-wrap {
                padding: 22px 18px 28px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
                padding-bottom: 28px;
            }

            .footer-bottom {
                padding: 18px 0 24px;
            }

            .cta-inner h2 {
                font-size: 22px;
            }

            .faq-question {
                font-size: 15px;
                padding: 14px 4px;
                gap: 10px;
            }

            .faq-answer p {
                font-size: 14px;
            }
        }

        @media (max-width: 520px) {
            :root {
                --section-padding: 40px 0;
                --section-gap-lg: 40px;
            }

            .container {
                padding: 0 16px;
            }

            .hero {
                min-height: 420px;
            }

            .hero-inner {
                padding: 40px 12px;
            }

            .hero h1 {
                font-size: 21px;
            }

            .hero-subtitle {
                font-size: 14px;
            }

            .hero-play-btn {
                width: 56px;
                height: 56px;
                font-size: 22px;
                margin-bottom: 20px;
            }

            .hero-play-btn svg {
                width: 22px;
                height: 22px;
            }

            .hero-cta-group {
                flex-direction: column;
                gap: 10px;
                width: 100%;
                max-width: 260px;
                margin-left: auto;
                margin-right: auto;
            }

            .btn {
                width: 100%;
                padding: 12px 20px;
                font-size: 14px;
            }

            .hero-stats {
                gap: 14px;
                font-size: 12px;
            }

            .hero-stat strong {
                font-size: 18px;
            }

            .track-item {
                width: 140px;
            }

            .track-item img {
                height: 90px;
            }

            .track-item-body {
                padding: 10px 12px 12px;
            }

            .track-item-body h3 {
                font-size: 13px;
            }

            .track-item-body p {
                font-size: 12px;
            }

            .highlight-card {
                width: 170px;
            }

            .highlight-card img {
                height: 100px;
            }

            .highlight-card-body {
                padding: 12px 14px 14px;
            }

            .highlight-card-body h3 {
                font-size: 13px;
            }

            .highlight-card-body p {
                font-size: 12px;
            }

            .category-tile {
                padding: 16px 14px;
                min-height: 110px;
            }

            .category-tile h3 {
                font-size: 14px;
            }

            .category-tile p {
                font-size: 12px;
            }

            .news-item h3 {
                font-size: 15px;
            }

            .news-item p {
                font-size: 13px;
            }

            .footer-bottom {
                gap: 6px;
            }

            .footer-bottom p {
                font-size: 12px;
            }

            .footer-bottom-links {
                gap: 10px;
            }

            .footer-bottom-links a {
                font-size: 12px;
            }

            .contact-form-wrap {
                padding: 18px 14px 22px;
            }

            .topic-tag {
                font-size: 12px;
                padding: 6px 12px;
            }
        }

        @media (max-width: 380px) {
            .track-item {
                width: 126px;
            }

            .track-item img {
                height: 80px;
            }

            .highlight-card {
                width: 150px;
            }

            .highlight-card img {
                height: 88px;
            }

            .hero h1 {
                font-size: 19px;
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #C2571B;
            --color-primary-hover: #A3460F;
            --color-primary-soft: #F5E6D9;
            --color-secondary: #7A4A2B;
            --color-accent: #D48A3D;
            --color-bg: #FAF6F0;
            --color-card: #FFFFFF;
            --color-text: #2E2018;
            --color-text-heading: #1E120B;
            --color-muted: #8A7565;
            --color-border: rgba(94, 60, 30, 0.12);
            --color-border-strong: rgba(94, 60, 30, 0.22);
            --color-footer-bg: #2B1D12;
            --color-footer-text: #F0E4D6;
            --color-footer-muted: #B8A895;
            --radius-sm: 6px;
            --radius-card: 14px;
            --radius-btn: 10px;
            --radius-full: 999px;
            --shadow-card: 0 4px 20px rgba(75, 45, 20, 0.07);
            --shadow-card-hover: 0 12px 32px rgba(105, 60, 20, 0.16);
            --shadow-btn: 0 4px 14px rgba(194, 87, 27, 0.28);
            --shadow-btn-hover: 0 6px 20px rgba(194, 87, 27, 0.38);
            --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
            --font-mono: "SF Mono", "JetBrains Mono", "Fira Code", Consolas, "Courier New", monospace;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            --container-max: 1200px;
            --section-padding: 72px 0;
            --section-gap-sm: 32px;
            --section-gap-md: 48px;
            --section-gap-lg: 80px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--color-primary-hover);
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            color: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        :focus-visible {
            outline: 2px solid var(--color-text-heading);
            outline-offset: 3px;
            border-radius: 2px;
        }

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(250, 246, 240, 0.94);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--color-border);
            box-shadow: 0 1px 12px rgba(75, 45, 20, 0.04);
            transition: box-shadow var(--transition-base);
        }
        .site-header.scrolled {
            box-shadow: 0 4px 24px rgba(75, 45, 20, 0.08);
        }
        .header-inner {
            display: flex;
            align-items: center;
            gap: 16px;
            height: 68px;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        .logo-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
            color: var(--color-text-heading);
            font-weight: 800;
            font-size: 20px;
            letter-spacing: -0.01em;
            transition: color var(--transition-fast);
        }
        .logo-link:hover {
            color: var(--color-primary);
        }
        .logo-mark {
            width: 34px;
            height: 34px;
            border-radius: 9px;
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 16px;
            letter-spacing: -0.02em;
            box-shadow: 0 2px 10px rgba(194, 87, 27, 0.25);
            flex-shrink: 0;
        }
        .nav-search-wrap {
            flex: 1;
            display: flex;
            justify-content: center;
            min-width: 0;
        }
        .nav-search {
            width: 100%;
            max-width: 480px;
            position: relative;
            display: flex;
            align-items: center;
        }
        .nav-search input[type="search"] {
            width: 100%;
            height: 40px;
            padding: 0 42px 0 16px;
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-full);
            font-size: 14px;
            color: var(--color-text);
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }
        .nav-search input[type="search"]::placeholder {
            color: var(--color-muted);
        }
        .nav-search input[type="search"]:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(194, 87, 27, 0.12);
            outline: none;
        }
        .nav-search-icon {
            position: absolute;
            right: 14px;
            color: var(--color-muted);
            pointer-events: none;
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-shrink: 0;
            flex-wrap: nowrap;
        }
        .nav-link {
            display: inline-block;
            padding: 7px 12px;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text);
            border-radius: var(--radius-full);
            transition: background-color var(--transition-fast), color var(--transition-fast);
            white-space: nowrap;
        }
        .nav-link:hover {
            background-color: var(--color-primary-soft);
            color: var(--color-primary);
        }
        .nav-link.active {
            background-color: var(--color-primary);
            color: #fff;
        }
        .nav-more {
            position: relative;
            display: inline-flex;
            align-items: center;
        }
        .nav-more-btn {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 7px 12px;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text);
            border-radius: var(--radius-full);
            transition: background-color var(--transition-fast), color var(--transition-fast);
            white-space: nowrap;
        }
        .nav-more-btn:hover {
            background-color: var(--color-primary-soft);
            color: var(--color-primary);
        }
        .nav-more-menu {
            display: none;
            position: absolute;
            top: 100%;
            right: 0;
            margin-top: 8px;
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card-hover);
            min-width: 160px;
            padding: 8px 0;
            z-index: 1100;
        }
        .nav-more-menu.open {
            display: block;
        }
        .nav-more-menu a {
            display: block;
            padding: 10px 16px;
            font-size: 14px;
            color: var(--color-text);
            transition: background-color var(--transition-fast), color var(--transition-fast);
        }
        .nav-more-menu a:hover {
            background-color: var(--color-primary-soft);
            color: var(--color-primary);
        }
        .nav-mobile-toggle {
            display: none;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            color: var(--color-text-heading);
            font-size: 20px;
            flex-shrink: 0;
        }
        .nav-mobile-toggle:hover {
            background-color: var(--color-primary-soft);
        }

        main {
            flex: 1;
        }

        .page-top-spacer {
            height: 68px;
        }

        .breadcrumb-section {
            padding: 28px 0 16px;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--color-muted);
        }
        .breadcrumb a {
            color: var(--color-muted);
            transition: color var(--transition-fast);
        }
        .breadcrumb a:hover {
            color: var(--color-primary);
        }
        .breadcrumb .separator {
            opacity: 0.6;
        }
        .breadcrumb .current {
            color: var(--color-text-heading);
            font-weight: 600;
        }

        .page-hero {
            padding: 24px 0 48px;
        }
        .page-hero-content {
            display: flex;
            flex-wrap: wrap;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
        }
        .page-hero-text {
            max-width: 720px;
        }
        .page-hero-text h1 {
            font-size: 34px;
            font-weight: 800;
            line-height: 1.25;
            color: var(--color-text-heading);
            letter-spacing: -0.02em;
            margin-bottom: 12px;
        }
        .page-hero-text p {
            font-size: 16px;
            color: var(--color-muted);
            line-height: 1.75;
        }
        .page-hero-stats {
            display: flex;
            gap: 24px;
            flex-shrink: 0;
        }
        .page-hero-stat {
            text-align: right;
        }
        .page-hero-stat .stat-number {
            font-size: 28px;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -0.02em;
            line-height: 1.2;
        }
        .page-hero-stat .stat-label {
            font-size: 13px;
            color: var(--color-muted);
        }

        .overview-bar {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 24px 28px;
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            align-items: center;
            justify-content: space-between;
        }
        .overview-bar-item {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .overview-bar-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-accent);
            flex-shrink: 0;
        }
        .overview-bar-item span {
            font-size: 14px;
            color: var(--color-text);
        }
        .overview-bar-item span strong {
            color: var(--color-text-heading);
            font-weight: 700;
        }

        .resource-section {
            padding: var(--section-padding);
        }
        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 16px;
            margin-bottom: 32px;
            flex-wrap: wrap;
        }
        .section-head h2 {
            font-size: 26px;
            font-weight: 800;
            color: var(--color-text-heading);
            letter-spacing: -0.01em;
            line-height: 1.3;
        }
        .section-head p {
            font-size: 14px;
            color: var(--color-muted);
            max-width: 320px;
            text-align: right;
        }
        .resource-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .resource-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-fast);
            display: flex;
            flex-direction: column;
        }
        .resource-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-border-strong);
        }
        .resource-card-img {
            height: 180px;
            overflow: hidden;
            background-color: var(--color-primary-soft);
        }
        .resource-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .resource-card:hover .resource-card-img img {
            transform: scale(1.04);
        }
        .resource-card-body {
            padding: 20px 22px 22px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .resource-card-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--color-primary);
            background-color: var(--color-primary-soft);
            padding: 3px 10px;
            border-radius: var(--radius-full);
            margin-bottom: 12px;
            align-self: flex-start;
        }
        .resource-card-body h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-text-heading);
            line-height: 1.4;
            margin-bottom: 8px;
            transition: color var(--transition-fast);
        }
        .resource-card:hover .resource-card-body h3 {
            color: var(--color-primary);
        }
        .resource-card-body p {
            font-size: 14px;
            color: var(--color-muted);
            line-height: 1.65;
            flex: 1;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .resource-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 8px;
            font-size: 13px;
            color: var(--color-muted);
            border-top: 1px solid var(--color-border);
            padding-top: 14px;
        }
        .resource-card-meta .date {
            font-size: 12px;
        }
        .resource-card-meta .read-more {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-weight: 600;
            font-size: 13px;
            color: var(--color-primary);
            transition: color var(--transition-fast);
        }
        .resource-card-meta .read-more:hover {
            color: var(--color-primary-hover);
        }

        .deep-section {
            padding: var(--section-padding);
            background: var(--color-card);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }
        .deep-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
        }
        .deep-block h2 {
            font-size: 22px;
            font-weight: 800;
            color: var(--color-text-heading);
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }
        .deep-block p {
            font-size: 15px;
            color: var(--color-text);
            line-height: 1.8;
            margin-bottom: 14px;
        }
        .deep-block ul {
            list-style: none;
            padding: 0;
            margin: 16px 0;
        }
        .deep-block ul li {
            padding: 8px 0 8px 24px;
            position: relative;
            font-size: 14px;
            color: var(--color-text);
            border-bottom: 1px solid var(--color-border);
        }
        .deep-block ul li:last-child {
            border-bottom: none;
        }
        .deep-block ul li::before {
            content: "";
            position: absolute;
            left: 0;
            top: 16px;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-accent);
        }
        .deep-block .highlight-box {
            background: var(--color-primary-soft);
            border-left: 3px solid var(--color-primary);
            padding: 16px 20px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-size: 14px;
            color: var(--color-text);
            margin: 16px 0;
        }

        .pagination-section {
            padding: 36px 0 48px;
        }
        .pagination {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .pagination-item {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 40px;
            height: 40px;
            padding: 0 8px;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            background: var(--color-card);
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text);
            transition: border-color var(--transition-fast), background-color var(--transition-fast), color var(--transition-fast);
        }
        .pagination-item:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            background-color: var(--color-primary-soft);
        }
        .pagination-item.active {
            background: var(--color-primary);
            border-color: var(--color-primary);
            color: #fff;
        }
        .pagination-item.disabled {
            opacity: 0.4;
            pointer-events: none;
        }

        .faq-section {
            padding: var(--section-padding);
        }
        .faq-section .section-head {
            margin-bottom: 24px;
        }
        .faq-list {
            border-top: 1px solid var(--color-border-strong);
        }
        .faq-item {
            border-bottom: 1px solid var(--color-border);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            width: 100%;
            padding: 18px 0;
            font-size: 17px;
            font-weight: 700;
            color: var(--color-text-heading);
            text-align: left;
            transition: color var(--transition-fast);
            background: transparent;
            cursor: pointer;
        }
        .faq-question:hover {
            color: var(--color-primary);
        }
        .faq-icon {
            flex-shrink: 0;
            font-size: 18px;
            color: var(--color-muted);
            transition: transform var(--transition-base);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-primary-soft);
        }
        .faq-item.open .faq-icon {
            transform: rotate(90deg);
            color: var(--color-primary);
        }
        .faq-answer {
            display: none;
            padding: 0 0 18px;
            font-size: 15px;
            color: var(--color-muted);
            line-height: 1.75;
        }
        .faq-item.open .faq-answer {
            display: block;
        }

        .cta-section {
            padding: var(--section-padding);
        }
        .cta-box {
            background: var(--color-footer-bg);
            border-radius: var(--radius-card);
            padding: 44px 48px;
            text-align: center;
            box-shadow: 0 8px 28px rgba(40, 25, 10, 0.18);
        }
        .cta-box h2 {
            font-size: 26px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.01em;
            margin-bottom: 12px;
        }
        .cta-box p {
            font-size: 15px;
            color: var(--color-footer-muted);
            margin-bottom: 24px;
            line-height: 1.75;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 600;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            transition: transform var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast);
            text-align: center;
            line-height: 1.4;
        }
        .btn:active {
            transform: translateY(1px);
        }
        .btn-primary {
            background: var(--color-primary);
            color: #fff;
            box-shadow: var(--shadow-btn);
        }
        .btn-primary:hover {
            background: var(--color-primary-hover);
            color: #fff;
            box-shadow: var(--shadow-btn-hover);
            transform: scale(1.02);
        }
        .btn-secondary {
            background: transparent;
            border: 1px solid var(--color-border-strong);
            color: var(--color-text);
        }
        .btn-secondary:hover {
            background: var(--color-primary-soft);
            border-color: var(--color-primary);
            color: var(--color-primary);
        }
        .btn-light {
            background: #fff;
            color: var(--color-primary);
        }
        .btn-light:hover {
            background: var(--color-primary-soft);
            color: var(--color-primary-hover);
        }

        .site-footer {
            background: var(--color-footer-bg);
            color: var(--color-footer-text);
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            padding: 48px 0 36px;
        }
        .footer-brand .logo-link {
            color: #fff;
            font-size: 22px;
            font-weight: 800;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 12px;
        }
        .footer-brand .logo-link:hover {
            color: var(--color-accent);
        }
        .footer-brand .logo-mark {
            background: #fff;
            color: var(--color-primary);
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--color-footer-muted);
            line-height: 1.75;
            max-width: 260px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: var(--color-footer-muted);
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--color-accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 20px 0;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 8px;
            font-size: 13px;
            color: var(--color-footer-muted);
        }
        .footer-bottom-links {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .footer-bottom-links a {
            color: var(--color-footer-muted);
            font-size: 13px;
            transition: color var(--transition-fast);
        }
        .footer-bottom-links a:hover {
            color: var(--color-accent);
        }
        .footer-sep {
            opacity: 0.5;
        }

        @media (max-width: 1024px) {
            .resource-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .deep-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .nav-links {
                gap: 0;
            }
            .nav-link {
                padding: 6px 8px;
                font-size: 13px;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                gap: 10px;
                height: 60px;
                padding: 0 16px;
            }
            .page-top-spacer {
                height: 60px;
            }
            .nav-search-wrap {
                display: none;
            }
            .nav-links {
                display: none;
            }
            .nav-links.mobile-open {
                display: flex;
                position: fixed;
                top: 60px;
                left: 0;
                right: 0;
                background: var(--color-bg);
                border-bottom: 1px solid var(--color-border);
                padding: 12px 16px;
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
                z-index: 1000;
                box-shadow: 0 8px 24px rgba(75, 45, 20, 0.1);
            }
            .nav-links.mobile-open .nav-link {
                width: 100%;
                padding: 10px 12px;
            }
            .nav-links.mobile-open .nav-more {
                width: 100%;
            }
            .nav-links.mobile-open .nav-more-btn {
                width: 100%;
                justify-content: space-between;
                padding: 10px 12px;
            }
            .nav-links.mobile-open .nav-more-menu {
                position: static;
                margin-top: 0;
                border: none;
                box-shadow: none;
                padding: 0 0 0 12px;
            }
            .nav-mobile-toggle {
                display: inline-flex;
                margin-left: auto;
            }
            .nav-search-wrap.mobile-visible {
                display: flex;
                flex: 1;
                min-width: 0;
            }
            .nav-search {
                max-width: 100%;
            }
            .page-hero-content {
                flex-direction: column;
                align-items: flex-start;
            }
            .page-hero-stats {
                text-align: left;
                gap: 20px;
                flex-wrap: wrap;
            }
            .page-hero-stat {
                text-align: left;
            }
            .page-hero-text h1 {
                font-size: 26px;
            }
            .resource-grid {
                grid-template-columns: 1fr;
            }
            .section-head {
                flex-direction: column;
                align-items: flex-start;
            }
            .section-head p {
                text-align: left;
                max-width: 100%;
            }
            .overview-bar {
                flex-direction: column;
                align-items: flex-start;
                padding: 18px 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
            }
            .cta-box {
                padding: 32px 20px;
            }
            .breadcrumb-section {
                padding: 20px 0 8px;
            }
            .page-hero {
                padding: 16px 0 32px;
            }
        }

        @media (max-width: 520px) {
            .resource-card-img {
                height: 150px;
            }
            .page-hero-text h1 {
                font-size: 22px;
            }
            .section-head h2 {
                font-size: 22px;
            }
            .btn {
                font-size: 14px;
                padding: 10px 20px;
            }
            .pagination-item {
                min-width: 34px;
                height: 34px;
                font-size: 13px;
            }
            .footer-bottom {
                text-align: center;
                align-items: center;
            }
            .footer-bottom-links {
                justify-content: center;
                flex-wrap: wrap;
            }
        }

/* roulang page: category3 */
:root {
            --color-primary: #C2571B;
            --color-primary-hover: #A3460F;
            --color-primary-soft: #F5E6D9;
            --color-secondary: #7A4A2B;
            --color-accent: #D48A3D;
            --color-bg: #FAF6F0;
            --color-card: #FFFFFF;
            --color-text: #2E2018;
            --color-text-heading: #1E120B;
            --color-muted: #8A7565;
            --color-border: rgba(94, 60, 30, 0.12);
            --color-border-strong: rgba(94, 60, 30, 0.22);
            --color-footer-bg: #2B1D12;
            --color-footer-text: #F0E4D6;
            --color-footer-muted: #B8A895;
            --radius-sm: 6px;
            --radius-card: 14px;
            --radius-btn: 10px;
            --radius-full: 999px;
            --shadow-card: 0 4px 20px rgba(75, 45, 20, 0.07);
            --shadow-card-hover: 0 12px 32px rgba(105, 60, 20, 0.16);
            --shadow-btn: 0 4px 14px rgba(194, 87, 27, 0.28);
            --shadow-btn-hover: 0 6px 20px rgba(194, 87, 27, 0.38);
            --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
            --font-mono: "SF Mono", "JetBrains Mono", "Fira Code", Consolas, "Courier New", monospace;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            --container-max: 1200px;
            --section-padding: 72px 0;
            --section-gap-sm: 32px;
            --section-gap-md: 48px;
            --section-gap-lg: 80px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            margin: 0;
            padding: 0;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--color-primary-hover);
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            color: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        .visually-hidden {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

        :focus-visible {
            outline: 2px solid var(--color-text-heading);
            outline-offset: 3px;
            border-radius: 4px;
        }

        /* Header / Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(250, 246, 240, 0.96);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--color-border);
            box-shadow: 0 1px 12px rgba(75, 45, 20, 0.04);
            transition: box-shadow var(--transition-base);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 24px rgba(75, 45, 20, 0.08);
        }

        .header-inner {
            display: flex;
            align-items: center;
            gap: 14px;
            height: 68px;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        .logo-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
            color: var(--color-text-heading);
            font-weight: 800;
            font-size: 20px;
            letter-spacing: -0.01em;
            transition: color var(--transition-fast);
        }

        .logo-link:hover {
            color: var(--color-primary);
        }

        .logo-mark {
            width: 34px;
            height: 34px;
            border-radius: 9px;
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 16px;
            letter-spacing: -0.02em;
            box-shadow: 0 2px 10px rgba(194, 87, 27, 0.25);
            flex-shrink: 0;
        }

        .nav-search-wrap {
            flex: 1;
            display: flex;
            justify-content: center;
            min-width: 0;
        }

        .nav-search {
            width: 100%;
            max-width: 460px;
            position: relative;
            display: flex;
            align-items: center;
        }

        .nav-search input[type="search"] {
            width: 100%;
            height: 40px;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-full);
            background: #fff;
            padding: 0 42px 0 18px;
            font-size: 14px;
            color: var(--color-text);
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            -webkit-appearance: none;
            appearance: none;
        }

        .nav-search input[type="search"]::placeholder {
            color: var(--color-muted);
            font-size: 13px;
        }

        .nav-search input[type="search"]:focus {
            outline: none;
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(194, 87, 27, 0.12);
        }

        .nav-search-btn {
            position: absolute;
            right: 8px;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-muted);
            transition: color var(--transition-fast), background var(--transition-fast);
        }

        .nav-search-btn:hover {
            color: var(--color-primary);
            background: var(--color-primary-soft);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-shrink: 0;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 6px 12px;
            border-radius: 8px;
            color: var(--color-text);
            font-size: 14px;
            font-weight: 600;
            white-space: nowrap;
            transition: color var(--transition-fast), background var(--transition-fast);
            position: relative;
        }

        .nav-link:hover {
            color: var(--color-primary);
            background: var(--color-primary-soft);
        }

        .nav-link.active {
            color: var(--color-primary);
            background: var(--color-primary-soft);
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 12px;
            right: 12px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
        }

        .nav-more {
            position: relative;
        }

        .nav-more-btn {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 6px 12px;
            border-radius: 8px;
            color: var(--color-text);
            font-size: 14px;
            font-weight: 600;
            white-space: nowrap;
            transition: color var(--transition-fast), background var(--transition-fast);
        }

        .nav-more-btn:hover,
        .nav-more-btn[aria-expanded="true"] {
            color: var(--color-primary);
            background: var(--color-primary-soft);
        }

        .nav-more-menu {
            position: absolute;
            top: 100%;
            right: 0;
            margin-top: 8px;
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: 12px;
            box-shadow: 0 8px 28px rgba(75, 45, 20, 0.14);
            padding: 8px;
            min-width: 160px;
            display: none;
            z-index: 100;
        }

        .nav-more-menu.open {
            display: block;
        }

        .nav-more-menu a {
            display: block;
            padding: 8px 14px;
            border-radius: 8px;
            color: var(--color-text);
            font-size: 14px;
            font-weight: 600;
            transition: color var(--transition-fast), background var(--transition-fast);
        }

        .nav-more-menu a:hover {
            color: var(--color-primary);
            background: var(--color-primary-soft);
        }

        .nav-mobile-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            color: var(--color-text-heading);
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: color var(--transition-fast), background var(--transition-fast);
        }

        .nav-mobile-toggle:hover {
            color: var(--color-primary);
            background: var(--color-primary-soft);
        }

        /* Mobile nav drawer */
        .mobile-nav-drawer {
            display: none;
            position: fixed;
            top: 68px;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(30, 18, 11, 0.55);
            z-index: 999;
            opacity: 0;
            pointer-events: none;
            transition: opacity var(--transition-base);
        }

        .mobile-nav-drawer.open {
            display: block;
            opacity: 1;
            pointer-events: auto;
        }

        .mobile-nav-drawer-inner {
            background: var(--color-bg);
            padding: 16px 24px 32px;
            border-bottom: 1px solid var(--color-border);
            max-height: 70vh;
            overflow-y: auto;
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
        }

        .mobile-nav-drawer-inner .nav-link {
            display: block;
            padding: 12px 16px;
            font-size: 16px;
            border-bottom: 1px solid var(--color-border);
            border-radius: 0;
        }

        .mobile-nav-drawer-inner .nav-link:last-child {
            border-bottom: none;
        }

        /* Main content */
        .main-content {
            flex: 1;
            padding-top: 68px;
        }

        /* Breadcrumb */
        .breadcrumb-bar {
            background: #fff;
            border-bottom: 1px solid var(--color-border);
            padding: 12px 0;
            font-size: 13px;
            color: var(--color-muted);
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--color-muted);
            transition: color var(--transition-fast);
        }

        .breadcrumb a:hover {
            color: var(--color-primary);
        }

        .breadcrumb-sep {
            color: var(--color-border-strong);
            font-size: 10px;
        }

        .breadcrumb-current {
            color: var(--color-text-heading);
            font-weight: 600;
        }

        /* Hero */
        .category-hero {
            position: relative;
            padding: 64px 0 72px;
            background: linear-gradient(180deg, #FDF8F2 0%, var(--color-bg) 100%);
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 420px;
            height: 420px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(194, 87, 27, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            bottom: -100px;
            left: -60px;
            width: 360px;
            height: 360px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(212, 138, 61, 0.07) 0%, transparent 70%);
            pointer-events: none;
        }

        .category-hero-grid {
            display: flex;
            align-items: center;
            gap: 48px;
            position: relative;
            z-index: 1;
        }

        .category-hero-text {
            flex: 1.1;
        }

        .category-hero-badge {
            display: inline-block;
            padding: 4px 14px;
            border-radius: var(--radius-full);
            background: var(--color-primary-soft);
            color: var(--color-primary);
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.02em;
            margin-bottom: 16px;
        }

        .category-hero h1 {
            font-size: 34px;
            font-weight: 800;
            line-height: 1.25;
            color: var(--color-text-heading);
            margin: 0 0 16px;
            letter-spacing: -0.01em;
        }

        .category-hero-sub {
            font-size: 17px;
            line-height: 1.75;
            color: var(--color-muted);
            margin: 0 0 28px;
            max-width: 540px;
        }

        .category-hero-actions {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 700;
            letter-spacing: 0.01em;
            transition: all var(--transition-base);
            line-height: 1.4;
            -webkit-tap-highlight-color: transparent;
            user-select: none;
        }

        .btn-primary {
            background: var(--color-primary);
            color: #fff;
            box-shadow: var(--shadow-btn);
        }

        .btn-primary:hover {
            background: var(--color-primary-hover);
            color: #fff;
            box-shadow: var(--shadow-btn-hover);
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: var(--shadow-btn);
        }

        .btn-outline {
            background: transparent;
            color: var(--color-secondary);
            border: 1.5px solid var(--color-border-strong);
        }

        .btn-outline:hover {
            background: var(--color-primary-soft);
            border-color: var(--color-primary);
            color: var(--color-primary);
            transform: translateY(-1px);
        }

        .btn-outline:active {
            transform: translateY(1px);
        }

        .category-hero-figure {
            flex: 0.9;
            min-width: 0;
        }

        .category-hero-figure-inner {
            position: relative;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--shadow-card-hover);
            border: 1px solid var(--color-border);
        }

        .category-hero-figure img {
            width: 100%;
            height: 320px;
            object-fit: cover;
            display: block;
        }

        .category-hero-figure-tag {
            position: absolute;
            bottom: 16px;
            left: 16px;
            background: rgba(30, 18, 11, 0.8);
            backdrop-filter: blur(6px);
            color: #fff;
            padding: 6px 14px;
            border-radius: 8px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.02em;
        }

        /* Section base */
        .section {
            padding: var(--section-padding);
        }

        .section-alt {
            background: #fff;
        }

        .section-head {
            margin-bottom: var(--section-gap-md);
            max-width: 680px;
        }

        .section-head.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 10px;
        }

        .section-title {
            font-size: 26px;
            font-weight: 800;
            color: var(--color-text-heading);
            margin: 0 0 12px;
            line-height: 1.3;
            letter-spacing: -0.01em;
        }

        .section-desc {
            font-size: 16px;
            color: var(--color-muted);
            line-height: 1.75;
            margin: 0;
        }

        /* Method intro / 深度正文 */
        .rich-text {
            font-size: 16px;
            line-height: 1.85;
            color: var(--color-text);
        }

        .rich-text h2 {
            font-size: 22px;
            font-weight: 800;
            color: var(--color-text-heading);
            margin: 32px 0 12px;
            line-height: 1.3;
        }

        .rich-text h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-text-heading);
            margin: 24px 0 10px;
            line-height: 1.35;
        }

        .rich-text p {
            margin: 0 0 16px;
        }

        .rich-text ul,
        .rich-text ol {
            margin: 0 0 16px;
            padding-left: 24px;
        }

        .rich-text li {
            margin-bottom: 6px;
        }

        /* Method cards grid */
        .method-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .method-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 24px 24px 20px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }

        .method-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: rgba(194, 87, 27, 0.25);
        }

        .method-card-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--color-primary-soft);
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 14px;
            font-size: 20px;
            font-weight: 800;
            flex-shrink: 0;
        }

        .method-card h3 {
            font-size: 18px;
            font-weight: 800;
            color: var(--color-text-heading);
            margin: 0 0 8px;
            line-height: 1.3;
        }

        .method-card p {
            font-size: 15px;
            color: var(--color-muted);
            line-height: 1.7;
            margin: 0;
            flex: 1;
        }

        .method-card-tag {
            display: inline-block;
            margin-top: 14px;
            font-size: 12px;
            font-weight: 700;
            color: var(--color-primary);
            background: var(--color-primary-soft);
            padding: 3px 10px;
            border-radius: var(--radius-full);
            align-self: flex-start;
        }

        /* Steps / Process */
        .steps-list {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            counter-reset: step;
        }

        .step-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 20px 18px;
            box-shadow: var(--shadow-card);
            position: relative;
            counter-increment: step;
            transition: all var(--transition-base);
        }

        .step-item:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .step-item::before {
            content: counter(step, decimal-leading-zero);
            font-family: var(--font-mono);
            font-size: 13px;
            font-weight: 800;
            color: var(--color-primary);
            display: block;
            margin-bottom: 10px;
            letter-spacing: 0.05em;
        }

        .step-item h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-text-heading);
            margin: 0 0 8px;
            line-height: 1.3;
        }

        .step-item p {
            font-size: 14px;
            color: var(--color-muted);
            line-height: 1.65;
            margin: 0;
        }

        /* Scenario cards */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .scenario-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
        }

        .scenario-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }

        .scenario-card-img {
            height: 160px;
            overflow: hidden;
            position: relative;
        }

        .scenario-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .scenario-card:hover .scenario-card-img img {
            transform: scale(1.04);
        }

        .scenario-card-body {
            padding: 18px 20px 20px;
        }

        .scenario-card-body h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-text-heading);
            margin: 0 0 8px;
            line-height: 1.3;
        }

        .scenario-card-body p {
            font-size: 14px;
            color: var(--color-muted);
            line-height: 1.65;
            margin: 0;
        }

        /* Deep text split */
        .deep-split {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: start;
        }

        .deep-block {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 28px;
            box-shadow: var(--shadow-card);
        }

        .deep-block h3 {
            font-size: 20px;
            font-weight: 800;
            color: var(--color-text-heading);
            margin: 0 0 12px;
            line-height: 1.3;
        }

        .deep-block p {
            font-size: 15px;
            color: var(--color-text);
            line-height: 1.8;
            margin: 0 0 12px;
        }

        .deep-block p:last-child {
            margin-bottom: 0;
        }

        .deep-block .highlight-num {
            font-family: var(--font-mono);
            font-weight: 800;
            color: var(--color-primary);
            font-size: 32px;
            display: block;
            margin-bottom: 8px;
        }

        /* FAQ */
        .faq-wrap {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid var(--color-border);
            padding: 18px 0;
        }

        .faq-item:first-child {
            border-top: 1px solid var(--color-border);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
            text-align: left;
            padding: 8px 0;
            font-size: 17px;
            font-weight: 700;
            color: var(--color-text-heading);
            transition: color var(--transition-fast);
        }

        .faq-question:hover {
            color: var(--color-primary);
        }

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-primary-soft);
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: transform var(--transition-base);
            font-size: 16px;
            font-weight: 800;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            display: none;
            font-size: 15px;
            color: var(--color-muted);
            line-height: 1.75;
            padding: 4px 44px 8px 0;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

        /* CTA section */
        .cta-panel {
            background: linear-gradient(135deg, var(--color-secondary) 0%, #3B281A 100%);
            border-radius: 18px;
            padding: 48px 40px;
            color: #fff;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            box-shadow: 0 16px 48px rgba(45, 25, 12, 0.22);
        }

        .cta-panel-text h2 {
            font-size: 26px;
            font-weight: 800;
            color: #fff;
            margin: 0 0 12px;
            line-height: 1.3;
        }

        .cta-panel-text p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.82);
            line-height: 1.75;
            margin: 0;
        }

        .cta-panel-form {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: 12px;
            padding: 24px;
        }

        .cta-panel-form label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 4px;
        }

        .cta-panel-form input,
        .cta-panel-form textarea {
            width: 100%;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 8px;
            padding: 10px 14px;
            font-size: 14px;
            color: #fff;
            margin-bottom: 14px;
            transition: border-color var(--transition-fast), background var(--transition-fast);
        }

        .cta-panel-form input::placeholder,
        .cta-panel-form textarea::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }

        .cta-panel-form input:focus,
        .cta-panel-form textarea:focus {
            outline: none;
            border-color: var(--color-accent);
            background: rgba(255, 255, 255, 0.16);
        }

        .cta-panel-form textarea {
            min-height: 80px;
            resize: vertical;
        }

        .cta-panel-form .btn-primary {
            width: 100%;
            background: var(--color-accent);
            box-shadow: 0 4px 14px rgba(212, 138, 61, 0.3);
        }

        .cta-panel-form .btn-primary:hover {
            background: #b87320;
            box-shadow: 0 6px 20px rgba(212, 138, 61, 0.4);
        }

        /* Footer */
        .site-footer {
            background: var(--color-footer-bg);
            color: var(--color-footer-text);
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 32px;
            padding: 48px 0 36px;
        }

        .footer-brand .logo-link {
            color: var(--color-footer-text);
            margin-bottom: 12px;
        }

        .footer-brand .logo-link:hover {
            color: var(--color-accent);
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--color-footer-muted);
            line-height: 1.7;
            margin: 0;
            max-width: 300px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 12px;
            letter-spacing: 0.02em;
        }

        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .footer-col li {
            margin-bottom: 8px;
        }

        .footer-col a {
            color: var(--color-footer-muted);
            font-size: 14px;
            transition: color var(--transition-fast);
        }

        .footer-col a:hover {
            color: var(--color-accent);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 18px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: var(--color-footer-muted);
        }

        .footer-bottom p {
            margin: 0;
        }

        .footer-bottom-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-bottom-links a {
            color: var(--color-footer-muted);
            transition: color var(--transition-fast);
        }

        .footer-bottom-links a:hover {
            color: var(--color-accent);
        }

        .footer-sep {
            color: rgba(255, 255, 255, 0.25);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            :root {
                --section-padding: 52px 0;
                --section-gap-lg: 52px;
                --section-gap-md: 36px;
            }

            .category-hero-grid {
                flex-direction: column;
                gap: 32px;
            }

            .category-hero-figure img {
                height: 260px;
            }

            .steps-list {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-padding: 40px 0;
                --section-gap-lg: 40px;
                --section-gap-md: 28px;
            }

            .nav-links {
                display: none;
            }

            .nav-mobile-toggle {
                display: flex;
            }

            .header-inner {
                gap: 8px;
                height: 60px;
            }

            .nav-search-wrap {
                display: none;
            }

            .mobile-nav-drawer {
                display: none;
            }

            .main-content {
                padding-top: 60px;
            }

            .category-hero {
                padding: 40px 0 48px;
            }

            .category-hero h1 {
                font-size: 26px;
            }

            .category-hero-sub {
                font-size: 15px;
            }

            .method-grid {
                grid-template-columns: 1fr;
            }

            .scenario-grid {
                grid-template-columns: 1fr;
            }

            .deep-split {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .cta-panel {
                grid-template-columns: 1fr;
                padding: 32px 24px;
                gap: 24px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 6px;
            }

            .section-title {
                font-size: 22px;
            }
        }

        @media (max-width: 480px) {
            .container {
                padding: 0 16px;
            }

            .steps-list {
                grid-template-columns: 1fr;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
                padding: 32px 0 24px;
            }

            .category-hero-figure img {
                height: 200px;
            }

            .category-hero-actions {
                flex-direction: column;
                align-items: stretch;
            }

            .btn {
                width: 100%;
            }

            .cta-panel {
                padding: 24px 16px;
                border-radius: 14px;
            }
        }

/* roulang page: category2 */
:root {
  --color-primary: #C2571B;
  --color-primary-hover: #A3460F;
  --color-primary-soft: #F5E6D9;
  --color-secondary: #7A4A2B;
  --color-accent: #D48A3D;
  --color-bg: #FAF6F0;
  --color-card: #FFFFFF;
  --color-text: #2E2018;
  --color-text-heading: #1E120B;
  --color-muted: #8A7565;
  --color-border: rgba(94, 60, 30, 0.12);
  --color-border-strong: rgba(94, 60, 30, 0.22);
  --color-footer-bg: #2B1D12;
  --color-footer-text: #F0E4D6;
  --color-footer-muted: #B8A895;
  --radius-sm: 6px;
  --radius-card: 14px;
  --radius-btn: 10px;
  --radius-full: 999px;
  --shadow-card: 0 4px 20px rgba(75, 45, 20, 0.07);
  --shadow-card-hover: 0 12px 32px rgba(105, 60, 20, 0.16);
  --shadow-btn: 0 4px 14px rgba(194, 87, 27, 0.28);
  --shadow-btn-hover: 0 6px 20px rgba(194, 87, 27, 0.38);
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: "SF Mono", "JetBrains Mono", "Fira Code", Consolas, "Courier New", monospace;
  --transition-fast: 0.18s ease;
  --transition-base: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --container-max: 1200px;
  --section-padding: 72px 0;
  --section-gap-sm: 32px;
  --section-gap-md: 48px;
  --section-gap-lg: 80px;
}
@media (max-width: 1024px) {
  :root { --section-padding: 52px 0; --section-gap-lg: 52px; --section-gap-md: 36px; }
}
@media (max-width: 768px) {
  :root { --section-padding: 40px 0; --section-gap-lg: 40px; }
}
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  margin: 0;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
  border: 0;
}
a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}
a:hover { color: var(--color-primary-hover); }
button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  color: inherit;
}
button { cursor: pointer; border: none; background: none; }
.container { width: 100%; max-width: var(--container-max); margin: 0 auto; padding: 0 24px; }
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(250, 246, 240, 0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 1px 12px rgba(75, 45, 20, 0.04);
  transition: box-shadow var(--transition-base);
}
.site-header.scrolled { box-shadow: 0 4px 24px rgba(75, 45, 20, 0.08); }
.header-inner {
  display: flex; align-items: center; gap: 16px; height: 68px;
  max-width: var(--container-max); margin: 0 auto; padding: 0 24px;
}
.logo-link {
  display: inline-flex; align-items: center; gap: 8px; flex-shrink: 0;
  color: var(--color-text-heading); font-weight: 800; font-size: 20px;
  letter-spacing: -0.01em; transition: color var(--transition-fast);
}
.logo-link:hover { color: var(--color-primary); }
.logo-mark {
  width: 34px; height: 34px; border-radius: 9px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  color: #fff; display: inline-flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 16px; letter-spacing: -0.02em;
  box-shadow: 0 2px 10px rgba(194, 87, 27, 0.25); flex-shrink: 0;
}
.nav-search-wrap { flex: 1; display: flex; justify-content: center; min-width: 0; }
.nav-search { width: 100%; max-width: 480px; position: relative; display: flex; align-items: center; }
.nav-search input[type="search"] {
  width: 100%; height: 42px; border-radius: var(--radius-full);
  border: 1px solid var(--color-border-strong); background-color: #fff;
  padding: 0 44px 0 18px; font-size: 14px; color: var(--color-text-heading);
  outline: none; transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.nav-search input[type="search"]::placeholder { color: var(--color-muted); }
.nav-search input[type="search"]:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(194, 87, 27, 0.12);
}
.nav-search-icon {
  position: absolute; right: 14px; width: 18px; height: 18px; color: var(--color-muted);
  pointer-events: none; display: flex; align-items: center; justify-content: center;
}
.nav-links { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.nav-link {
  color: var(--color-text); font-size: 14px; font-weight: 500; padding: 6px 10px;
  border-radius: var(--radius-sm); transition: background-color var(--transition-fast), color var(--transition-fast);
  white-space: nowrap;
}
.nav-link:hover { background-color: var(--color-primary-soft); color: var(--color-primary); }
.nav-link.active { color: var(--color-primary); font-weight: 700; background: var(--color-primary-soft); }
.nav-more { position: relative; }
.nav-more-btn {
  display: flex; align-items: center; gap: 4px; color: var(--color-text); font-size: 14px;
  font-weight: 500; padding: 6px 10px; border-radius: var(--radius-sm);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}
.nav-more-btn:hover { background-color: var(--color-primary-soft); color: var(--color-primary); }
.nav-more-menu {
  position: absolute; right: 0; top: calc(100% + 8px); background: #fff;
  border: 1px solid var(--color-border); border-radius: var(--radius-card); box-shadow: var(--shadow-card);
  display: none; min-width: 160px; padding: 8px; z-index: 50;
}
.nav-more.open .nav-more-menu { display: block; }
.nav-more-menu a {
  display: block; padding: 8px 12px; border-radius: var(--radius-sm); color: var(--color-text);
  font-size: 14px; transition: background-color var(--transition-fast), color var(--transition-fast);
}
.nav-more-menu a:hover { background-color: var(--color-primary-soft); color: var(--color-primary); }
.nav-mobile-toggle {
  display: none; width: 42px; height: 42px; align-items: center; justify-content: center;
  border-radius: var(--radius-full); border: 1px solid var(--color-border-strong); color: var(--color-text-heading);
  flex-shrink: 0; transition: background-color var(--transition-fast);
}
.nav-mobile-toggle:hover { background-color: var(--color-primary-soft); }
.nav-mobile-close {
  position: absolute; top: 20px; right: 24px; width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center; color: var(--color-text-heading);
  font-size: 24px; border-radius: 50%; transition: background-color var(--transition-fast);
}
.nav-mobile-close:hover { background-color: rgba(255,255,255,0.12); }
.mobile-search-row { display: none; padding: 0 24px 16px; }
.mobile-search-row .nav-search { max-width: 100%; }
main { flex: 1; padding-top: 68px; }
.breadcrumb {
  background: var(--color-primary-soft); border-bottom: 1px solid var(--color-border);
  padding: 12px 0;
}
.breadcrumb .container { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.breadcrumb a { color: var(--color-secondary); font-size: 13px; }
.breadcrumb a:hover { color: var(--color-primary); }
.breadcrumb span { color: var(--color-muted); font-size: 13px; }
.breadcrumb .sep { color: var(--color-muted); }
.page-hero {
  background-image: linear-gradient(145deg, rgba(30,18,11,0.82) 0%, rgba(74,43,22,0.68) 60%, rgba(194,87,27,0.55) 100%), url('/assets/images/backpic/back-1.webp');
  background-size: cover; background-position: center; color: #fff;
  padding: 64px 0; position: relative; overflow: hidden;
}
.page-hero::after {
  content: ''; position: absolute; inset: 0; background: rgba(30,18,11,0.12); pointer-events: none;
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero .eyebrow {
  display: inline-flex; align-items: center; gap: 8px; background: rgba(255,255,255,0.14);
  border: 1px solid rgba(255,255,255,0.22); border-radius: var(--radius-full);
  padding: 6px 16px; font-size: 13px; letter-spacing: 0.04em; margin-bottom: 18px;
  backdrop-filter: blur(8px);
}
.page-hero .eyebrow .dot { width: 8px; height: 8px; border-radius: 50%; background: #F3B16A; }
.page-hero h1 {
  font-size: 36px; line-height: 1.22; font-weight: 800; color: #fff; margin: 0 0 14px;
  max-width: 640px; letter-spacing: -0.01em;
}
.page-hero .hero-sub {
  font-size: 16px; line-height: 1.7; color: rgba(255,255,255,0.86); max-width: 680px; margin: 0 0 26px;
}
.hero-actions { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border-radius: var(--radius-btn); font-weight: 700; font-size: 15px;
  padding: 12px 24px; transition: background-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast), color var(--transition-fast);
  border: 1px solid transparent; text-align: center;
}
.btn:focus-visible, a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--color-primary); outline-offset: 2px;
}
.btn-primary { background: var(--color-primary); color: #fff; box-shadow: var(--shadow-btn); }
.btn-primary:hover { background: var(--color-primary-hover); box-shadow: var(--shadow-btn-hover); color: #fff; transform: scale(1.02); }
.btn-primary:active { transform: translateY(1px) scale(1); }
.btn-ghost {
  background: rgba(255,255,255,0.12); color: #fff; border-color: rgba(255,255,255,0.35);
  backdrop-filter: blur(6px);
}
.btn-ghost:hover { background: rgba(255,255,255,0.22); color: #fff; border-color: rgba(255,255,255,0.5); }
.btn-outline { background: transparent; color: var(--color-primary); border-color: var(--color-border-strong); }
.btn-outline:hover { background: var(--color-primary-soft); color: var(--color-primary-hover); border-color: var(--color-primary); }
.btn-sm { padding: 8px 16px; font-size: 14px; }
.btn-lg { padding: 14px 28px; font-size: 16px; }
section { padding: var(--section-padding); }
.section-eyebrow {
  display: inline-block; color: var(--color-primary); font-size: 13px; font-weight: 700;
  letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 10px;
}
.section-title { font-size: 26px; font-weight: 800; color: var(--color-text-heading); margin: 0 0 10px; letter-spacing: -0.01em; }
.section-sub { color: var(--color-muted); font-size: 16px; max-width: 720px; margin: 0 auto 32px; }
.section-head { margin-bottom: 32px; }
.section-head.text-center { text-align: center; }
.section-head.text-center .section-sub { margin-left: auto; margin-right: auto; }
.bg-white { background: #fff; }
.bg-soft { background: var(--color-primary-soft); }
.bg-deep { background: var(--color-footer-bg); color: var(--color-footer-text); }
.bg-deep .section-title { color: #fff; }
.bg-deep .section-sub { color: var(--color-footer-muted); }
.bg-deep .section-eyebrow { color: var(--color-accent); }
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.card {
  background: var(--color-card); border: 1px solid var(--color-border); border-radius: var(--radius-card);
  box-shadow: var(--shadow-card); transition: box-shadow var(--transition-base), transform var(--transition-base), border-color var(--transition-base);
  overflow: hidden; position: relative; display: flex; flex-direction: column;
}
.card:hover { box-shadow: var(--shadow-card-hover); transform: translateY(-3px); border-color: var(--color-border-strong); }
.card-img { aspect-ratio: 16/9; overflow: hidden; background: var(--color-primary-soft); position: relative; }
.card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--transition-slow); }
.card:hover .card-img img { transform: scale(1.04); }
.card-body { padding: 20px 22px 22px; flex: 1; display: flex; flex-direction: column; }
.card-body h3 { font-size: 19px; font-weight: 700; color: var(--color-text-heading); margin: 0 0 8px; line-height: 1.4; }
.card-body p { color: var(--color-muted); font-size: 14px; line-height: 1.7; margin: 0 0 16px; flex: 1; }
.card-meta { display: flex; align-items: center; gap: 10px; margin-top: auto; }
.badge {
  display: inline-flex; align-items: center; gap: 4px; background: var(--color-primary-soft);
  color: var(--color-primary); font-size: 12px; font-weight: 600; padding: 4px 10px;
  border-radius: var(--radius-full); letter-spacing: 0.02em;
}
.badge-accent { background: #FFF3E4; color: #B45F1A; }
.badge-green { background: #E8F1EA; color: #3A6B47; }
.badge-brown { background: #F0EBE4; color: #6A5038; }
.text-link { display: inline-flex; align-items: center; gap: 6px; font-weight: 600; font-size: 14px; color: var(--color-primary); }
.text-link:hover { color: var(--color-primary-hover); }
.text-link svg { transition: transform var(--transition-fast); }
.text-link:hover svg { transform: translateX(4px); }
.arrow-icon { width: 16px; height: 16px; }
.stat-band {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
  background: var(--color-card); border-radius: var(--radius-card); border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card); padding: 32px 28px;
}
.stat-item { display: flex; flex-direction: column; gap: 6px; }
.stat-value { font-size: 32px; font-weight: 800; font-family: var(--font-mono); color: var(--color-primary); letter-spacing: -0.02em; }
.stat-label { font-size: 14px; color: var(--color-muted); }
.divider { border: 0; border-top: 1px solid var(--color-border); margin: 0; }
.list-check {
  list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 14px;
}
.list-check li { position: relative; padding-left: 34px; color: var(--color-text); font-size: 15px; line-height: 1.7; }
.list-check li::before {
  content: '✓'; position: absolute; left: 0; top: 0; width: 24px; height: 24px; border-radius: 50%;
  background: var(--color-primary-soft); color: var(--color-primary); font-weight: 700; font-size: 14px;
  display: flex; align-items: center; justify-content: center;
}
.list-number {
  list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 18px;
}
.list-number li { display: flex; gap: 16px; align-items: flex-start; }
.list-number .num {
  width: 36px; height: 36px; border-radius: 10px; background: var(--color-primary); color: #fff;
  font-weight: 800; font-size: 16px; display: flex; align-items: center; justify-content: center; flex-shrink: 0;
  font-family: var(--font-mono);
}
.list-number .num-content h4 { margin: 0 0 4px; font-size: 17px; font-weight: 700; color: var(--color-text-heading); }
.list-number .num-content p { margin: 0; font-size: 14px; color: var(--color-muted); }
.faq-wrap { display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: var(--color-card); border: 1px solid var(--color-border); border-radius: var(--radius-card);
  overflow: hidden; transition: box-shadow var(--transition-base), border-color var(--transition-base);
}
.faq-item:hover { box-shadow: var(--shadow-card); border-color: var(--color-border-strong); }
.faq-question {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 18px 22px; cursor: pointer; text-align: left; width: 100%;
  transition: background-color var(--transition-fast);
}
.faq-question:hover { background: rgba(245, 230, 217, 0.35); }
.faq-question-text { font-size: 17px; font-weight: 700; color: var(--color-text-heading); }
.faq-arrow {
  width: 24px; height: 24px; color: var(--color-muted); flex-shrink: 0;
  transition: transform var(--transition-base); display: flex; align-items: center; justify-content: center;
}
.faq-item.open .faq-arrow { transform: rotate(90deg); color: var(--color-primary); }
.faq-answer {
  max-height: 0; overflow: hidden; transition: max-height var(--transition-base), padding var(--transition-base);
  color: var(--color-muted); font-size: 15px; line-height: 1.75; padding: 0 22px;
}
.faq-item.open .faq-answer { max-height: 400px; padding: 0 22px 20px; }
.cta-card {
  background: linear-gradient(135deg, var(--color-primary) 0%, #A85A1E 50%, #7A3E1D 100%);
  border-radius: var(--radius-card); padding: 48px 40px; color: #fff;
  position: relative; overflow: hidden;
}
.cta-card::before {
  content: '28'; position: absolute; right: -20px; bottom: -60px; font-size: 180px; font-weight: 800;
  color: rgba(255,255,255,0.08); line-height: 1; font-family: var(--font-mono); pointer-events: none;
}
.cta-card h2 { font-size: 26px; font-weight: 800; color: #fff; margin: 0 0 12px; position: relative; z-index: 1; }
.cta-card p { color: rgba(255,255,255,0.88); max-width: 620px; margin: 0 0 24px; font-size: 15px; position: relative; z-index: 1; }
.cta-card .btn { position: relative; z-index: 1; }
.cta-card .btn-primary { background: #fff; color: var(--color-primary); box-shadow: 0 4px 18px rgba(0,0,0,0.2); }
.cta-card .btn-primary:hover { background: var(--color-primary-soft); color: var(--color-primary-hover); box-shadow: 0 6px 24px rgba(0,0,0,0.22); }
.recommend-panel {
  background: var(--color-card); border: 1px solid var(--color-border); border-radius: var(--radius-card);
  box-shadow: var(--shadow-card); padding: 28px;
}
.recommend-panel h3 { font-size: 20px; font-weight: 800; color: var(--color-text-heading); margin: 0 0 16px; }
.recommend-panel ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.recommend-panel ul li { border-bottom: 1px solid var(--color-border); padding-bottom: 10px; }
.recommend-panel ul li:last-child { border-bottom: 0; padding-bottom: 0; }
.recommend-panel ul li a { font-size: 14px; color: var(--color-secondary); font-weight: 500; display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.recommend-panel ul li a:hover { color: var(--color-primary); }
.update-timeline { position: relative; padding-left: 28px; }
.update-timeline::before {
  content: ''; position: absolute; left: 10px; top: 4px; bottom: 4px; width: 2px; background: var(--color-border-strong);
}
.update-timeline-item { position: relative; margin-bottom: 22px; }
.update-timeline-item:last-child { margin-bottom: 0; }
.update-timeline-item::before {
  content: ''; position: absolute; left: -22px; top: 5px; width: 10px; height: 10px; border-radius: 50%;
  background: var(--color-primary); box-shadow: 0 0 0 4px var(--color-primary-soft);
}
.update-timeline-date { font-size: 13px; color: var(--color-muted); font-family: var(--font-mono); margin-bottom: 4px; }
.update-timeline-title { font-size: 17px; font-weight: 700; color: var(--color-text-heading); margin: 0 0 4px; }
.update-timeline-desc { font-size: 14px; color: var(--color-muted); margin: 0; }
.site-footer {
  background: var--color-footer-bg);
  color: var(--color-footer-text);
  padding: 64px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 32px;
  padding-bottom: 40px;
}
.footer-brand .logo-link {
  color: #fff;
  font-size: 22px;
  margin-bottom: 16px;
}
.footer-brand .logo-mark {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-primary) 100%);
}
.footer-brand p {
  color: var(--color-footer-muted);
  font-size: 14px;
  line-height: 1.8;
  margin: 14px 0 0;
  max-width: 300px;
}
.footer-col h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  margin: 0 0 16px;
}
.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-col ul li a {
  color: var(--color-footer-muted);
  font-size: 14px;
  transition: color var(--transition-fast);
}
.footer-col ul li a:hover {
  color: var(--color-accent);
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  color: var(--color-footer-muted);
  font-size: 13px;
}
.footer-bottom p {
  margin: 0;
}
.footer-bottom-links {
  display: flex;
  align-items: center;
  gap: 8px;
}
.footer-bottom-links a {
  color: var(--color-footer-muted);
}
.footer-bottom-links a:hover {
  color: var(--color-accent);
}
.footer-sep {
  color: rgba(255,255,255,0.25);
}
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .stat-band { grid-template-columns: repeat(2, 1fr); gap: 18px; }
  .footer-grid { grid-template-columns: 1fr 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 768px) {
  .grid-3, .grid-2, .grid-4 { grid-template-columns: 1fr; }
  .stat-band { grid-template-columns: 1fr; }
  .header-inner { gap: 8px; }
  .nav-links { display: none; }
  .nav-mobile-toggle { display: flex; }
  .nav-search-wrap { display: none; }
  .mobile-nav-drawer {
    position: fixed;
    top: 68px;
    left: 0;
    right: 0;
    background: rgba(250, 246, 240, 0.98);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--color-border);
    box-shadow: 0 10px 30px rgba(75, 45, 20, 0.1);
    padding: 20px 24px;
    display: none;
    z-index: 999;
  }
  .mobile-nav-drawer.open { display: block; }
  .mobile-nav-drawer .nav-search { max-width: 100%; margin-bottom: 16px; }
  .mobile-nav-drawer .nav-links { display: flex; flex-direction: column; align-items: stretch; gap: 0; }
  .mobile-nav-drawer .nav-link { padding: 10px 0; border-bottom: 1px solid var(--color-border); font-size: 15px; }
  .mobile-nav-drawer .nav-more { width: 100%; }
  .mobile-nav-drawer .nav-more-btn { width: 100%; justify-content: space-between; padding: 10px 0; }
  .mobile-nav-drawer .nav-more-menu { position: static; box-shadow: none; border: 0; display: none; padding-left: 12px; }
  .mobile-nav-drawer .nav-more.open .nav-more-menu { display: block; }
  .page-hero { padding: 48px 0; }
  .page-hero h1 { font-size: 28px; }
  .section-title { font-size: 23px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .footer-bottom-links { justify-content: center; }
}
@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .header-inner { height: 60px; padding: 0 16px; }
  .logo-link { font-size: 18px; }
  .logo-mark { width: 30px; height: 30px; font-size: 14px; }
  .btn { padding: 10px 18px; font-size: 14px; }
  .btn-lg { padding: 12px 22px; font-size: 15px; }
  .page-hero h1 { font-size: 24px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .cta-card { padding: 32px 20px; }
  .cta-card h2 { font-size: 22px; }
  .stat-value { font-size: 26px; }
  .faq-question-text { font-size: 16px; }
  .breadcrumb .container { font-size: 12px; }
}

/* roulang page: category5 */
:root {
      --color-primary: #C2571B;
      --color-primary-hover: #A3460F;
      --color-primary-soft: #F5E6D9;
      --color-secondary: #7A4A2B;
      --color-accent: #D48A3D;
      --color-bg: #FAF6F0;
      --color-card: #FFFFFF;
      --color-text: #2E2018;
      --color-text-heading: #1E120B;
      --color-muted: #8A7565;
      --color-border: rgba(94, 60, 30, 0.12);
      --color-border-strong: rgba(94, 60, 30, 0.22);
      --color-footer-bg: #2B1D12;
      --color-footer-text: #F0E4D6;
      --color-footer-muted: #B8A895;
      --radius-sm: 6px;
      --radius-card: 14px;
      --radius-btn: 10px;
      --radius-full: 999px;
      --shadow-card: 0 4px 20px rgba(75, 45, 20, 0.07);
      --shadow-card-hover: 0 12px 32px rgba(105, 60, 20, 0.16);
      --shadow-btn: 0 4px 14px rgba(194, 87, 27, 0.28);
      --shadow-btn-hover: 0 6px 20px rgba(194, 87, 27, 0.38);
      --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
      --font-mono: "SF Mono", "JetBrains Mono", "Fira Code", Consolas, "Courier New", monospace;
      --transition-fast: 0.18s ease;
      --transition-base: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
      --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
      --container-max: 1200px;
      --section-padding: 72px 0;
      --section-gap-sm: 32px;
      --section-gap-md: 48px;
      --section-gap-lg: 80px;
    }
    * { margin: 0; padding: 0; box-sizing: border-box; }
    html {
      scroll-behavior: smooth;
      -webkit-text-size-adjust: 100%;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
    }
    body {
      font-family: var(--font-sans);
      font-size: 16px;
      line-height: 1.7;
      color: var(--color-text);
      background-color: var(--color-bg);
      min-height: 100vh;
      display: flex;
      flex-direction: column;
    }
    img { max-width: 100%; height: auto; display: block; border: 0; }
    a { color: var(--color-primary); text-decoration: none; transition: color var(--transition-fast); }
    a:hover { color: var(--color-primary-hover); }
    button, input, textarea, select {
      font-family: inherit; font-size: inherit; line-height: inherit; color: inherit;
    }
    button { cursor: pointer; border: none; background: none; }
    .container {
      width: 100%;
      max-width: var(--container-max);
      margin: 0 auto;
      padding: 0 24px;
    }
    /* Header / Navigation */
    .site-header {
      position: fixed;
      top: 0; left: 0; right: 0;
      z-index: 1000;
      background: rgba(250, 246, 240, 0.94);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--color-border);
      box-shadow: 0 1px 12px rgba(75, 45, 20, 0.04);
      transition: box-shadow var(--transition-base);
    }
    .site-header.scrolled { box-shadow: 0 4px 24px rgba(75, 45, 20, 0.08); }
    .header-inner {
      display: flex;
      align-items: center;
      gap: 16px;
      height: 68px;
      max-width: var(--container-max);
      margin: 0 auto;
      padding: 0 24px;
    }
    .logo-link {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      flex-shrink: 0;
      color: var(--color-text-heading);
      font-weight: 800;
      font-size: 20px;
      letter-spacing: -0.01em;
      transition: color var(--transition-fast);
    }
    .logo-link:hover { color: var(--color-primary); }
    .logo-mark {
      width: 34px; height: 34px;
      border-radius: 9px;
      background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
      color: #fff;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 16px;
      letter-spacing: -0.02em;
      box-shadow: 0 2px 10px rgba(194, 87, 27, 0.25);
      flex-shrink: 0;
    }
    .nav-search-wrap {
      flex: 1;
      display: flex;
      justify-content: center;
      min-width: 0;
    }
    .nav-search {
      width: 100%;
      max-width: 480px;
      position: relative;
      display: flex;
      align-items: center;
    }
    .nav-search input[type="search"] {
      width: 100%;
      height: 40px;
      padding: 0 42px 0 18px;
      border: 1px solid var(--color-border-strong);
      border-radius: var(--radius-full);
      background: #fff;
      font-size: 14px;
      color: var(--color-text);
      outline: none;
      transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    }
    .nav-search input[type="search"]::placeholder { color: #b09a8a; }
    .nav-search input[type="search"]:focus {
      border-color: var(--color-primary);
      box-shadow: 0 0 0 3px var(--color-primary-soft);
    }
    .nav-search .search-icon {
      position: absolute;
      right: 14px;
      width: 20px;
      height: 20px;
      color: var(--color-muted);
      pointer-events: none;
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 4px;
      flex-shrink: 0;
    }
    .nav-link {
      display: inline-flex;
      align-items: center;
      padding: 8px 12px;
      border-radius: 20px;
      font-size: 14px;
      font-weight: 600;
      color: var(--color-secondary);
      transition: all var(--transition-fast);
      white-space: nowrap;
    }
    .nav-link:hover {
      background: var(--color-primary-soft);
      color: var(--color-primary);
    }
    .nav-link.active {
      background: var(--color-primary);
      color: #fff;
    }
    .nav-more { position: relative; }
    .nav-more-btn {
      display: inline-flex;
      align-items: center;
      gap: 4px;
      padding: 8px 12px;
      border-radius: 20px;
      font-size: 14px;
      font-weight: 600;
      color: var(--color-secondary);
      transition: all var(--transition-fast);
      white-space: nowrap;
    }
    .nav-more-btn:hover {
      background: var(--color-primary-soft);
      color: var(--color-primary);
    }
    .nav-more-menu {
      position: absolute;
      top: 110%;
      right: 0;
      background: #fff;
      border: 1px solid var(--color-border);
      border-radius: 12px;
      box-shadow: 0 12px 28px rgba(75, 45, 20, 0.12);
      padding: 6px;
      min-width: 140px;
      opacity: 0;
      visibility: hidden;
      transform: translateY(8px);
      transition: all var(--transition-fast);
      z-index: 50;
    }
    .nav-more-menu a {
      display: block;
      padding: 8px 12px;
      border-radius: 8px;
      font-size: 14px;
      color: var(--color-secondary);
    }
    .nav-more-menu a:hover { background: var(--color-primary-soft); color: var(--color-primary); }
    .nav-more.open .nav-more-menu { opacity: 1; visibility: visible; transform: translateY(0); }
    .mobile-menu-toggle {
      display: none;
      width: 40px; height: 40px;
      border-radius: 10px;
      background: var(--color-primary-soft);
      color: var(--color-primary);
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }
    .mobile-search-toggle {
      display: none;
      width: 40px; height: 40px;
      border-radius: 10px;
      background: var(--color-primary-soft);
      color: var(--color-primary);
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }
    /* Hero */
    .qa-hero {
      padding: 140px 0 60px;
      background: linear-gradient(135deg, #FBF5EC 0%, #F2E8D8 100%);
      border-bottom: 1px solid var(--color-border);
    }
    .breadcrumb {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 14px;
      color: var(--color-muted);
      margin-bottom: 24px;
    }
    .breadcrumb a { color: var(--color-primary); }
    .breadcrumb span { color: var(--color-muted); }
    .qa-hero-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 40px;
      align-items: center;
    }
    .qa-hero h1 {
      font-size: 36px;
      line-height: 1.3;
      font-weight: 800;
      color: var(--color-text-heading);
      letter-spacing: -0.02em;
      margin-bottom: 16px;
    }
    .qa-hero .subtitle {
      font-size: 18px;
      color: var(--color-muted);
      max-width: 600px;
    }
    .hero-stats {
      display: flex;
      gap: 24px;
      margin-top: 28px;
    }
    .hero-stat {
      flex: 1;
      background: rgba(255,255,255,0.6);
      border-radius: 12px;
      padding: 16px;
      text-align: center;
      border: 1px solid var(--color-border);
    }
    .hero-stat .number {
      font-size: 26px;
      font-weight: 800;
      color: var(--color-primary);
    }
    .hero-stat .label {
      font-size: 13px;
      color: var(--color-muted);
    }
    .hero-image {
      border-radius: 16px;
      overflow: hidden;
      box-shadow: var(--shadow-card-hover);
    }
    .hero-image img { width: 100%; height: 280px; object-fit: cover; }
    /* Category Intro */
    .qa-intro {
      padding: var(--section-padding);
      background: #fff;
      border-bottom: 1px solid var(--color-border);
    }
    .qa-intro-text {
      max-width: 800px;
      margin-bottom: 32px;
    }
    .qa-intro-text p {
      font-size: 16px;
      color: var(--color-text);
      margin-bottom: 12px;
    }
    .qa-tag-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: flex-start;
    }
    .qa-tag {
      padding: 6px 14px;
      border-radius: var(--radius-full);
      background: var(--color-primary-soft);
      color: var(--color-primary);
      font-size: 13px;
      font-weight: 600;
      transition: all var(--transition-fast);
    }
    .qa-tag:hover {
      background: var(--color-primary);
      color: #fff;
      transform: translateY(-2px);
    }
    /* Featured Q&A Grid */
    .qa-featured {
      padding: var(--section-padding);
    }
    .section-heading {
      display: flex;
      align-items: baseline;
      justify-content: space-between;
      margin-bottom: 32px;
      flex-wrap: wrap;
      gap: 12px;
    }
    .section-heading h2 {
      font-size: 28px;
      font-weight: 800;
      color: var(--color-text-heading);
      letter-spacing: -0.01em;
    }
    .section-heading .more-link {
      font-size: 14px;
      color: var(--color-primary);
      font-weight: 600;
    }
    .qa-card-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }
    .qa-card {
      background: var(--color-card);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-card);
      padding: 24px;
      box-shadow: var(--shadow-card);
      transition: all var(--transition-base);
    }
    .qa-card:hover {
      box-shadow: var(--shadow-card-hover);
      transform: translateY(-3px);
      border-color: var(--color-border-strong);
    }
    .qa-card .qa-question {
      font-size: 18px;
      font-weight: 700;
      color: var(--color-text-heading);
      margin-bottom: 10px;
      display: flex;
      align-items: flex-start;
      gap: 8px;
    }
    .qa-card .qa-question .q-icon {
      color: var(--color-primary);
      font-weight: 800;
      flex-shrink: 0;
    }
    .qa-card .qa-answer {
      font-size: 15px;
      color: var(--color-muted);
      line-height: 1.6;
      margin-bottom: 16px;
    }
    .qa-card .qa-meta {
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-size: 13px;
      color: #b09a8a;
    }
    .qa-card .qa-meta .qa-tag {
      padding: 2px 10px;
      border-radius: 12px;
      background: #F0E4D6;
      color: var(--color-secondary);
      font-size: 12px;
    }
    /* Deep Dive Section */
    .qa-deep {
      padding: var(--section-padding);
      background: var(--color-primary-soft);
      border-top: 1px solid var(--color-border);
      border-bottom: 1px solid var(--color-border);
    }
    .qa-deep-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
    }
    .qa-deep-block {
      background: #fff;
      border-radius: var(--radius-card);
      padding: 28px;
      box-shadow: var(--shadow-card);
      border: 1px solid var(--color-border);
    }
    .qa-deep-block h3 {
      font-size: 20px;
      font-weight: 700;
      color: var(--color-text-heading);
      margin-bottom: 16px;
    }
    .qa-deep-block p {
      font-size: 15px;
      color: var(--color-text);
      line-height: 1.7;
      margin-bottom: 12px;
    }
    .qa-deep-block ul {
      list-style: none;
      padding-left: 0;
    }
    .qa-deep-block ul li {
      padding-left: 24px;
      position: relative;
      margin-bottom: 8px;
      color: var(--color-text);
    }
    .qa-deep-block ul li::before {
      content: "▹";
      position: absolute;
      left: 0;
      color: var(--color-primary);
      font-weight: 700;
    }
    /* Steps */
    .qa-steps {
      padding: var(--section-padding);
    }
    .steps-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .step-item {
      background: var(--color-card);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-card);
      padding: 24px;
      position: relative;
      transition: all var(--transition-base);
    }
    .step-item:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-card-hover);
    }
    .step-item .step-num {
      position: absolute;
      top: 16px;
      right: 16px;
      font-size: 36px;
      font-weight: 800;
      color: rgba(194, 87, 27, 0.12);
      line-height: 1;
    }
    .step-item h4 {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--color-text-heading);
    }
    .step-item p {
      font-size: 14px;
      color: var(--color-muted);
    }
    /* FAQ Accordion */
    .qa-accordion {
      padding: var(--section-padding);
      background: #fff;
      border-top: 1px solid var(--color-border);
    }
    .accordion-item {
      border-bottom: 1px solid var(--color-border);
    }
    .accordion-question {
      width: 100%;
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px 0;
      text-align: left;
      font-size: 18px;
      font-weight: 700;
      color: var(--color-text-heading);
      transition: color var(--transition-fast);
      gap: 16px;
    }
    .accordion-question:hover { color: var(--color-primary); }
    .accordion-question .arrow {
      font-size: 22px;
      color: var(--color-primary);
      transition: transform var(--transition-base);
      flex-shrink: 0;
    }
    .accordion-item.open .arrow { transform: rotate(90deg); }
    .accordion-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height var(--transition-base);
      font-size: 15px;
      color: var(--color-muted);
      line-height: 1.7;
    }
    .accordion-item.open .accordion-answer {
      max-height: 300px;
      padding-bottom: 20px;
    }
    /* CTA Section */
    .qa-cta {
      padding: var(--section-padding);
      background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
      text-align: center;
      color: #fff;
    }
    .qa-cta h2 {
      font-size: 28px;
      font-weight: 800;
      margin-bottom: 12px;
    }
    .qa-cta p {
      font-size: 16px;
      opacity: 0.9;
      margin-bottom: 24px;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 12px 24px;
      border-radius: var(--radius-btn);
      font-weight: 700;
      font-size: 16px;
      transition: all var(--transition-fast);
      text-decoration: none;
    }
    .btn-primary {
      background: #fff;
      color: var(--color-primary);
      box-shadow: 0 4px 14px rgba(0,0,0,0.15);
    }
    .btn-primary:hover {
      background: #f9ede1;
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(0,0,0,0.25);
      color: var(--color-primary-hover);
    }
    .btn-secondary {
      background: transparent;
      color: #fff;
      border: 2px solid rgba(255,255,255,0.7);
      margin-left: 12px;
    }
    .btn-secondary:hover {
      background: rgba(255,255,255,0.15);
      transform: translateY(-2px);
      color: #fff;
    }
    /* Footer */
    .site-footer {
      background: var(--color-footer-bg);
      color: var(--color-footer-text);
      padding: 48px 0 24px;
      margin-top: auto;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 32px;
      margin-bottom: 32px;
    }
    .footer-brand p {
      margin-top: 12px;
      font-size: 14px;
      color: var(--color-footer-muted);
      max-width: 320px;
    }
    .footer-brand .logo-link {
      color: #fff;
      font-size: 20px;
    }
    .footer-brand .logo-link:hover { color: #E8C9AC; }
    .footer-brand .logo-mark {
      background: linear-gradient(135deg, #D48A3D, #C2571B);
    }
    .footer-col h4 {
      font-size: 14px;
      font-weight: 700;
      margin-bottom: 12px;
      color: #fff;
    }
    .footer-col ul {
      list-style: none;
    }
    .footer-col ul li {
      margin-bottom: 8px;
    }
    .footer-col ul li a {
      color: var(--color-footer-muted);
      font-size: 14px;
      transition: color var(--transition-fast);
    }
    .footer-col ul li a:hover { color: #fff; }
    .footer-bottom {
      border-top: 1px solid rgba(255,255,255,0.12);
      padding-top: 20px;
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      justify-content: space-between;
      align-items: center;
      font-size: 13px;
      color: var(--color-footer-muted);
    }
    .footer-bottom-links {
      display: flex;
      gap: 8px;
      align-items: center;
    }
    .footer-bottom-links a {
      color: var(--color-footer-muted);
    }
    .footer-bottom-links a:hover { color: #fff; }
    .footer-sep { color: var(--color-footer-muted); }
    /* Responsive */
    @media (max-width: 1024px) {
      .qa-hero-grid { grid-template-columns: 1fr; }
      .hero-image img { height: 220px; }
      .qa-card-grid { grid-template-columns: 1fr 1fr; }
      .steps-grid { grid-template-columns: repeat(2, 1fr); }
      .qa-deep-grid { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: 1fr 1fr; }
    }
    @media (max-width: 768px) {
      .nav-links { display: none; }
      .mobile-menu-toggle,
      .mobile-search-toggle { display: inline-flex; }
      .nav-search-wrap { display: none; }
      .mobile-search-wrap {
        display: block;
        position: fixed;
        top: 68px;
        left: 0; right: 0;
        background: var(--color-bg);
        padding: 12px 24px;
        border-bottom: 1px solid var(--color-border);
        z-index: 999;
      }
      .qa-card-grid { grid-template-columns: 1fr; }
      .steps-grid { grid-template-columns: 1fr; }
      .qa-hero { padding: 120px 0 40px; }
      .qa-hero h1 { font-size: 28px; }
      .hero-stats { flex-direction: column; gap: 12px; }
      .section-heading { flex-direction: column; align-items: flex-start; }
      .footer-grid { grid-template-columns: 1fr; }
      .footer-bottom { justify-content: center; text-align: center; }
      .btn-secondary { margin-left: 0; margin-top: 8px; }
      .qa-steps { padding: 48px 0; }
    }
    @media (max-width: 480px) {
      .container { padding: 0 16px; }
      .header-inner { padding: 0 16px; }
      .logo-link span:not(.logo-mark) { display: none; }
      .qa-card-grid { gap: 16px; }
      .accordion-question { font-size: 16px; }
      .qa-hero h1 { font-size: 24px; }
    }

/* roulang page: category7 */
:root {
  --color-primary: #C2571B;
  --color-primary-hover: #A3460F;
  --color-primary-soft: #F5E6D9;
  --color-secondary: #7A4A2B;
  --color-accent: #D48A3D;
  --color-bg: #FAF6F0;
  --color-card: #FFFFFF;
  --color-text: #2E2018;
  --color-text-heading: #1E120B;
  --color-muted: #8A7565;
  --color-border: rgba(94, 60, 30, 0.12);
  --color-border-strong: rgba(94, 60, 30, 0.22);
  --color-footer-bg: #2B1D12;
  --color-footer-text: #F0E4D6;
  --color-footer-muted: #B8A895;
  --radius-sm: 6px;
  --radius-card: 14px;
  --radius-btn: 10px;
  --radius-full: 999px;
  --shadow-card: 0 4px 20px rgba(75, 45, 20, 0.07);
  --shadow-card-hover: 0 12px 32px rgba(105, 60, 20, 0.16);
  --shadow-btn: 0 4px 14px rgba(194, 87, 27, 0.28);
  --shadow-btn-hover: 0 6px 20px rgba(194, 87, 27, 0.38);
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: "SF Mono", "JetBrains Mono", "Fira Code", Consolas, "Courier New", monospace;
  --transition-fast: 0.18s ease;
  --transition-base: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --container-max: 1200px;
  --section-padding: 72px 0;
  --section-gap-sm: 32px;
  --section-gap-md: 48px;
  --section-gap-lg: 80px;
}
@media (max-width: 1024px) {
  :root {
    --section-padding: 52px 0;
    --section-gap-lg: 52px;
    --section-gap-md: 36px;
  }
}
@media (max-width: 520px) {
  :root {
    --section-padding: 40px 0;
    --section-gap-lg: 40px;
  }
}
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
  border: 0;
}
a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}
a:hover {
  color: var(--color-primary-hover);
}
button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  color: inherit;
}
button {
  cursor: pointer;
  border: none;
  background: none;
}
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}
/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(250, 246, 240, 0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 1px 12px rgba(75, 45, 20, 0.04);
  transition: box-shadow var(--transition-base);
}
.site-header.scrolled {
  box-shadow: 0 4px 24px rgba(75, 45, 20, 0.08);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 16px;
  height: 68px;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}
.logo-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
  color: var(--color-text-heading);
  font-weight: 800;
  font-size: 20px;
  letter-spacing: -0.01em;
  transition: color var(--transition-fast);
  text-decoration: none;
}
.logo-link:hover {
  color: var(--color-primary);
}
.logo-mark {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 16px;
  letter-spacing: -0.02em;
  box-shadow: 0 2px 10px rgba(194, 87, 27, 0.25);
  flex-shrink: 0;
}
.nav-search-wrap {
  flex: 1;
  display: flex;
  justify-content: center;
  min-width: 0;
}
.nav-search {
  width: 100%;
  max-width: 480px;
  position: relative;
  display: flex;
  align-items: center;
}
.nav-search input[type="search"] {
  width: 100%;
  height: 40px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.7);
  padding: 0 16px 0 42px;
  font-size: 14px;
  color: var(--color-text);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}
.nav-search input[type="search"]::placeholder {
  color: var(--color-muted);
  font-size: 13px;
}
.nav-search input[type="search"]:focus {
  border-color: var(--color-primary);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(194, 87, 27, 0.10);
}
.nav-search .search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  color: var(--color-muted);
  pointer-events: none;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}
.nav-link {
  display: inline-flex;
  align-items: center;
  height: 36px;
  padding: 0 12px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text);
  text-decoration: none;
  transition: background var(--transition-fast), color var(--transition-fast);
  white-space: nowrap;
}
.nav-link:hover {
  background: var(--color-primary-soft);
  color: var(--color-primary);
}
.nav-link.active {
  background: var(--color-primary);
  color: #fff;
  box-shadow: var(--shadow-btn);
}
.nav-more {
  position: relative;
}
.nav-more-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  height: 36px;
  padding: 0 12px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text);
  transition: background var(--transition-fast), color var(--transition-fast);
}
.nav-more-btn:hover {
  background: var(--color-primary-soft);
  color: var(--color-primary);
}
.nav-more-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 160px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  box-shadow: 0 12px 32px rgba(75, 45, 20, 0.14);
  padding: 6px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity var(--transition-fast), transform var(--transition-fast), visibility var(--transition-fast);
  z-index: 50;
}
.nav-more:hover .nav-more-menu,
.nav-more:focus-within .nav-more-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.nav-more-menu a {
  display: block;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 14px;
  color: var(--color-text);
  text-decoration: none;
  transition: background var(--transition-fast), color var(--transition-fast);
}
.nav-more-menu a:hover {
  background: var(--color-primary-soft);
  color: var(--color-primary);
}
.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  align-items: center;
  justify-content: center;
  color: var(--color-text);
  flex-shrink: 0;
  transition: background var(--transition-fast);
}
.nav-toggle:hover {
  background: var(--color-primary-soft);
}
.nav-toggle svg {
  width: 20px;
  height: 20px;
}
/* Mobile nav */
.mobile-nav {
  display: none;
  position: fixed;
  top: 68px;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(250, 246, 240, 0.98);
  backdrop-filter: blur(16px);
  z-index: 999;
  padding: 16px 24px 40px;
  overflow-y: auto;
  flex-direction: column;
  gap: 6px;
}
.mobile-nav.open {
  display: flex;
}
.mobile-nav .nav-search {
  max-width: 100%;
  margin-bottom: 12px;
}
.mobile-nav a.mobile-link {
  padding: 12px 14px;
  border-radius: 10px;
  font-size: 16px;
  font-weight: 500;
  color: var(--color-text);
  text-decoration: none;
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition-fast), color var(--transition-fast);
}
.mobile-nav a.mobile-link:hover {
  background: var(--color-primary-soft);
  color: var(--color-primary);
}
.mobile-nav a.mobile-link.active {
  color: var(--color-primary);
  font-weight: 700;
}
/* Breadcrumb */
.breadcrumb-wrap {
  padding: 88px 0 0;
  background: var(--color-bg);
}
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--color-muted);
  padding: 10px 0;
  border-bottom: 1px solid var(--color-border);
}
.breadcrumb a {
  color: var(--color-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
}
.breadcrumb a:hover {
  color: var(--color-primary);
}
.breadcrumb .sep {
  color: var(--color-border-strong);
}
.breadcrumb .current {
  color: var(--color-primary);
  font-weight: 500;
}
/* Hero Banner */
.announce-hero {
  padding: 40px 0 24px;
  background: var(--color-bg);
}
.announce-hero-grid {
  display: grid;
  grid-template-columns: 1fr 0.9fr;
  gap: 48px;
  align-items: center;
  min-height: 380px;
}
.announce-hero-content {
  padding-right: 8px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  border-radius: var(--radius-full);
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 16px;
}
.hero-badge .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #2E9E5B;
  animation: pulse-dot 1.8s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.4); }
}
.announce-hero h1 {
  font-size: 34px;
  line-height: 1.25;
  font-weight: 800;
  color: var(--color-text-heading);
  letter-spacing: -0.015em;
  margin-bottom: 16px;
}
.announce-hero h1 .highlight {
  color: var(--color-primary);
  position: relative;
  white-space: nowrap;
}
.announce-hero .hero-sub {
  font-size: 17px;
  line-height: 1.7;
  color: var(--color-muted);
  margin-bottom: 20px;
  max-width: 520px;
}
.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: var(--radius-btn);
  font-weight: 700;
  font-size: 15px;
  text-decoration: none;
  transition: all var(--transition-base);
  border: 1px solid transparent;
  min-height: 44px;
  line-height: 1.4;
  text-align: center;
}
.btn:focus-visible {
  outline: 2px solid var(--color-text-heading);
  outline-offset: 2px;
}
.btn-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: var(--shadow-btn);
}
.btn-primary:hover {
  background: var(--color-primary-hover);
  box-shadow: var(--shadow-btn-hover);
  color: #fff;
  transform: translateY(-1px);
}
.btn-primary:active {
  transform: translateY(1px);
  box-shadow: 0 2px 8px rgba(194, 87, 27, 0.22);
}
.btn-secondary {
  background: transparent;
  border-color: var(--color-border-strong);
  color: var(--color-text);
}
.btn-secondary:hover {
  background: var(--color-primary-soft);
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.btn-secondary:active {
  transform: translateY(1px);
}
.btn-sm {
  padding: 8px 14px;
  font-size: 13px;
  min-height: 34px;
  border-radius: 8px;
}
.announce-hero-visual {
  position: relative;
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card-hover);
  min-height: 300px;
  background: var(--color-card);
}
.announce-hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 300px;
}
.announce-hero-visual .hero-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 16px 18px;
  background: linear-gradient(180deg, transparent 0%, rgba(30, 18, 11, 0.82) 100%);
  color: #fff;
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.announce-hero-visual .hero-overlay .icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.18);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.announce-hero-visual .hero-overlay span {
  font-weight: 500;
  line-height: 1.4;
}
/* Section base */
.section {
  padding: var(--section-padding);
}
.section-subtitle {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.04em;
  margin-bottom: 10px;
}
.section-title {
  font-size: 26px;
  line-height: 1.3;
  font-weight: 800;
  color: var(--color-text-heading);
  letter-spacing: -0.01em;
  margin-bottom: 14px;
}
.section-desc {
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-muted);
  max-width: 720px;
  margin-bottom: 28px;
}
.section-head {
  margin-bottom: 16px;
}
.text-center {
  text-align: center;
}
.text-center .section-desc {
  margin-left: auto;
  margin-right: auto;
}
/* Stats */
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 16px;
}
.stat-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 24px 18px;
  text-align: center;
  box-shadow: var(--shadow-card);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}
.stat-card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-3px);
}
.stat-value {
  font-size: 32px;
  font-weight: 800;
  color: var(--color-primary);
  font-family: var(--font-mono);
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 6px;
}
.stat-label {
  font-size: 14px;
  color: var(--color-muted);
  font-weight: 500;
}
/* Announcement Type Cards */
.announce-type-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 16px;
}
.announce-type-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 26px 22px;
  box-shadow: var(--shadow-card);
  transition: box-shadow var(--transition-base), transform var(--transition-base), border-color var(--transition-base);
  position: relative;
  overflow: hidden;
}
.announce-type-card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-3px);
  border-color: var(--color-border-strong);
}
.announce-type-card .type-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  font-size: 20px;
  font-weight: 800;
}
.announce-type-card h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--color-text-heading);
  margin-bottom: 8px;
}
.announce-type-card p {
  font-size: 15px;
  line-height: 1.65;
  color: var(--color-muted);
  margin-bottom: 12px;
}
.announce-type-card .type-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 500;
  background: var(--color-primary-soft);
  color: var(--color-primary);
}
.tag-outline {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-muted);
}
/* Deep Content */
.deep-content {
  background: var(--color-footer-bg);
  padding: var(--section-padding);
  border-radius: 0;
  color: var(--color-footer-text);
}
.deep-content .section-title {
  color: #fff;
}
.deep-content .section-desc {
  color: var(--color-footer-muted);
}
.deep-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-top: 24px;
}
.deep-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-card);
  padding: 28px 24px;
  transition: background var(--transition-base);
}
.deep-card:hover {
  background: rgba(255, 255, 255, 0.09);
}
.deep-card h3 {
  font-size: 19px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
}
.deep-card p {
  font-size: 15px;
  line-height: 1.75;
  color: var(--color-footer-muted);
  margin-bottom: 10px;
}
.deep-card ul {
  list-style: none;
  margin-top: 8px;
}
.deep-card ul li {
  padding-left: 22px;
  position: relative;
  color: var(--color-footer-muted);
  font-size: 14px;
  line-height: 1.65;
  margin-bottom: 8px;
}
.deep-card ul li::before {
  content: '';
  position: absolute;
  left: 4px;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
}
/* Timeline */
.timeline-wrap {
  margin-top: 24px;
}
.timeline {
  position: relative;
  padding-left: 28px;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: var(--color-border-strong);
  border-radius: 2px;
}
.timeline-item {
  position: relative;
  padding-bottom: 24px;
}
.timeline-item:last-child {
  padding-bottom: 0;
}
.timeline-item::before {
  content: '';
  position: absolute;
  left: -24px;
  top: 7px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-primary);
  border: 2px solid var(--color-bg);
  box-shadow: 0 0 0 3px var(--color-primary-soft);
}
.timeline-date {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 4px;
}
.timeline-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-text-heading);
  margin-bottom: 4px;
}
.timeline-desc {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.65;
}
/* Scenario Grid */
.scenario-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 16px;
}
.scenario-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 22px 24px;
  box-shadow: var(--shadow-card);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.scenario-card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}
.scenario-num {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-weight: 800;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.scenario-card h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-text-heading);
  margin-bottom: 6px;
}
.scenario-card p {
  font-size: 14px;
  line-height: 1.65;
  color: var(--color-muted);
}
/* Notice Board */
.notice-board {
  background: var(--color-primary-soft);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 24px 28px;
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
}
.notice-board .notice-left {
  display: flex;
  gap: 12px;
  align-items: center;
  flex: 1;
  min-width: 240px;
}
.notice-board .notice-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: var(--color-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 18px;
}
.notice-board .notice-text {
  font-size: 15px;
  color: var(--color-text-heading);
  line-height: 1.6;
}
.notice-board .notice-text strong {
  color: var(--color-primary);
}
/* FAQ */
.faq-list {
  max-width: 820px;
  margin: 16px auto 0;
}
.faq-item {
  border-bottom: 1px solid var(--color-border);
  padding: 4px 0;
}
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 4px;
  font-size: 17px;
  font-weight: 700;
  color: var(--color-text-heading);
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  cursor: pointer;
  transition: color var(--transition-fast);
  line-height: 1.5;
}
.faq-question:hover {
  color: var(--color-primary);
}
.faq-question .faq-arrow {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  transition: transform var(--transition-base);
  color: var(--color-muted);
}
.faq-item.open .faq-arrow {
  transform: rotate(180deg);
  color: var(--color-primary);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow), padding var(--transition-base);
  padding: 0 4px;
}
.faq-item.open .faq-answer {
  max-height: 400px;
  padding: 0 4px 20px;
}
.faq-answer p {
  font-size: 15px;
  line-height: 1.75;
  color: var(--color-muted);
}
/* CTA */
.cta-section {
  padding: var(--section-padding);
  background: var(--color-footer-bg);
  color: var(--color-footer-text);
}
.cta-inner {
  text-align: center;
  max-width: 680px;
  margin: 0 auto;
}
.cta-inner h2 {
  font-size: 28px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
}
.cta-inner p {
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-footer-muted);
  margin-bottom: 24px;
}
.cta-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}
/* Footer */
.site-footer {
  background: var(--color-footer-bg);
  color: var(--color-footer-text);
  padding: 52px 0 24px;
  margin-top: auto;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: 20px;
}
.footer-brand p {
  color: var(--color-footer-muted);
  font-size: 14px;
  line-height: 1.7;
  margin-top: 12px;
  max-width: 320px;
}
.footer-brand .logo-link {
  color: #fff;
  font-size: 20px;
}
.footer-brand .logo-link:hover {
  color: var(--color-accent);
}
.footer-col h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 12px;
}
.footer-col ul {
  list-style: none;
}
.footer-col ul li {
  margin-bottom: 8px;
}
.footer-col ul a {
  color: var(--color-footer-muted);
  font-size: 14px;
  text-decoration: none;
  transition: color var(--transition-fast);
}
.footer-col ul a:hover {
  color: var(--color-accent);
}
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--color-footer-muted);
  line-height: 1.6;
}
.footer-bottom-links {
  display: flex;
  align-items: center;
  gap: 8px;
}
.footer-bottom-links a {
  color: var(--color-footer-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
}
.footer-bottom-links a:hover {
  color: var(--color-accent);
}
.footer-sep {
  color: rgba(255, 255, 255, 0.2);
}
/* Responsive */
@media (max-width: 1024px) {
  .announce-hero-grid {
    grid-template-columns: 1fr;
    gap: 32px;
    min-height: auto;
  }
  .announce-hero-visual {
    min-height: 260px;
  }
  .announce-hero-visual img {
    min-height: 260px;
  }
  .stats-row {
    grid-template-columns: repeat(2, 1fr);
  }
  .announce-type-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .deep-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr;
  }
}
@media (max-width: 768px) {
  .header-inner {
    height: 60px;
    gap: 10px;
  }
  .nav-search-wrap {
    display: none;
  }
  .nav-links {
    display: none;
  }
  .nav-toggle {
    display: flex;
  }
  .mobile-nav {
    top: 60px;
  }
  .breadcrumb-wrap {
    padding-top: 72px;
  }
  .announce-hero {
    padding-top: 28px;
  }
  .announce-hero h1 {
    font-size: 28px;
  }
  .section-title {
    font-size: 22px;
  }
  .announce-type-grid {
    grid-template-columns: 1fr;
  }
  .scenario-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .footer-brand {
    grid-column: 1 / -1;
  }
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}
@media (max-width: 520px) {
  .container {
    padding: 0 18px;
  }
  .header-inner {
    padding: 0 18px;
  }
  .announce-hero h1 {
    font-size: 24px;
  }
  .announce-hero .hero-sub {
    font-size: 15px;
  }
  .hero-cta-group {
    flex-direction: column;
    align-items: stretch;
  }
  .hero-cta-group .btn {
    width: 100%;
  }
  .stats-row {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }
  .stat-value {
    font-size: 26px;
  }
  .stat-card {
    padding: 18px 14px;
  }
  .deep-card {
    padding: 20px 16px;
  }
  .notice-board {
    padding: 18px 20px;
    flex-direction: column;
    align-items: flex-start;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 22px;
  }
  .footer-bottom {
    gap: 8px;
  }
}

/* roulang page: category6 */
:root {
  --color-primary: #C2571B;
  --color-primary-hover: #A3460F;
  --color-primary-soft: #F5E6D9;
  --color-secondary: #7A4A2B;
  --color-accent: #D48A3D;
  --color-bg: #FAF6F0;
  --color-card: #FFFFFF;
  --color-text: #2E2018;
  --color-text-heading: #1E120B;
  --color-muted: #8A7565;
  --color-border: rgba(94, 60, 30, 0.12);
  --color-border-strong: rgba(94, 60, 30, 0.22);
  --color-footer-bg: #2B1D12;
  --color-footer-text: #F0E4D6;
  --color-footer-muted: #B8A895;
  --radius-sm: 6px;
  --radius-card: 14px;
  --radius-btn: 10px;
  --radius-full: 999px;
  --shadow-card: 0 4px 20px rgba(75, 45, 20, 0.07);
  --shadow-card-hover: 0 12px 32px rgba(105, 60, 20, 0.16);
  --shadow-btn: 0 4px 14px rgba(194, 87, 27, 0.28);
  --shadow-btn-hover: 0 6px 20px rgba(194, 87, 27, 0.38);
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: "SF Mono", "JetBrains Mono", "Fira Code", Consolas, "Courier New", monospace;
  --transition-fast: 0.18s ease;
  --transition-base: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --container-max: 1200px;
  --section-padding: 72px 0;
  --section-gap-sm: 32px;
  --section-gap-md: 48px;
  --section-gap-lg: 80px;
 }
 @media (max-width: 1024px) {
  :root {
   --section-padding: 52px 0;
   --section-gap-lg: 52px;
   --section-gap-md: 36px;
  }
 }
 @media (max-width: 768px) {
  :root {
   --section-padding: 40px 0;
   --section-gap-lg: 40px;
   --section-gap-md: 28px;
  }
 }

 *,
 *::before,
 *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
 }

 html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
 }

 body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
 }

 img {
  max-width: 100%;
  height: auto;
  display: block;
  border: 0;
 }

 a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
 }
 a:hover {
  color: var(--color-primary-hover);
 }

 button,
 input,
 textarea,
 select {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  color: inherit;
 }
 button {
  cursor: pointer;
  border: none;
  background: none;
 }

 .container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
 }

 /* Header / Navigation */
 .site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(250, 246, 240, 0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 1px 12px rgba(75, 45, 20, 0.04);
  transition: box-shadow var(--transition-base);
 }
 .site-header.scrolled {
  box-shadow: 0 4px 24px rgba(75, 45, 20, 0.08);
 }
 .header-inner {
  display: flex;
  align-items: center;
  gap: 16px;
  height: 68px;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
 }
 .logo-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
  color: var(--color-text-heading);
  font-weight: 800;
  font-size: 20px;
  letter-spacing: -0.01em;
  transition: color var(--transition-fast);
 }
 .logo-link:hover {
  color: var(--color-primary);
 }
 .logo-mark {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 16px;
  letter-spacing: -0.02em;
  box-shadow: 0 2px 10px rgba(194, 87, 27, 0.25);
  flex-shrink: 0;
 }
 .nav-search-wrap {
  flex: 1;
  display: flex;
  justify-content: center;
  min-width: 0;
 }
 .nav-search {
  width: 100%;
  max-width: 480px;
  position: relative;
  display: flex;
  align-items: center;
 }
 .nav-search input[type="search"] {
  width: 100%;
  height: 40px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.7);
  padding: 0 44px 0 20px;
  font-size: 14px;
  color: var(--color-text);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
 }
 .nav-search input[type="search"]::placeholder {
  color: #b3a397;
  font-size: 13.5px;
 }
 .nav-search input[type="search"]:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(194, 87, 27, 0.12);
 }
 .search-icon-btn {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-muted);
  transition: color var(--transition-fast), background var(--transition-fast);
 }
 .search-icon-btn:hover {
  color: var(--color-primary);
  background: var(--color-primary-soft);
 }
 .nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
  margin-left: auto;
 }
 .nav-link {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
  border-radius: var(--radius-full);
  white-space: nowrap;
  transition: color var(--transition-fast), background var(--transition-fast);
 }
 .nav-link:hover {
  color: var(--color-primary);
  background: var(--color-primary-soft);
 }
 .nav-link.active,
 .nav-more-btn.active {
  color: var(--color-primary);
  background: var(--color-primary-soft);
 }
 .nav-more {
  position: relative;
 }
 .nav-more-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 8px 12px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
  border-radius: var(--radius-full);
  white-space: nowrap;
  transition: color var(--transition-fast), background var(--transition-fast);
 }
 .nav-more-btn:hover {
  color: var(--color-primary);
  background: var(--color-primary-soft);
 }
 .nav-more-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 180px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card-hover);
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base);
  z-index: 100;
 }
 .nav-more.open .nav-more-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
 }
 .nav-more-menu a {
  display: block;
  padding: 10px 14px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast), color var(--transition-fast);
 }
 .nav-more-menu a:hover {
  background: var(--color-primary-soft);
  color: var(--color-primary);
 }
 .nav-more-menu a.active {
  background: var(--color-primary-soft);
  color: var(--color-primary);
  font-weight: 600;
 }
 .mobile-search-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  align-items: center;
  justify-content: center;
  color: var(--color-text);
  border: 1px solid var(--color-border);
  background: var(--color-card);
  transition: color var(--transition-fast), border-color var(--transition-fast);
 }
 .mobile-search-toggle:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
 }
 .mobile-search-panel {
  display: none;
  position: fixed;
  top: 68px;
  left: 0;
  right: 0;
  z-index: 990;
  background: var(--color-bg);
  padding: 16px 24px;
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 8px 24px rgba(75, 45, 20, 0.08);
 }
 .mobile-search-panel .nav-search {
  max-width: 100%;
 }
 .mobile-search-panel input[type="search"] {
  background: var(--color-card);
 }
 @media (max-width: 1024px) {
  .nav-search-wrap {
   display: none;
  }
  .nav-links {
   gap: 2px;
  }
  .nav-link {
   padding: 8px 8px;
   font-size: 13px;
  }
  .nav-more-btn {
   padding: 8px 8px;
   font-size: 13px;
  }
  .mobile-search-toggle {
   display: flex;
   margin-left: auto;
  }
 }
 @media (max-width: 768px) {
  .header-inner {
   height: 60px;
   padding: 0 16px;
   gap: 8px;
  }
  .logo-link {
   font-size: 17px;
  }
  .logo-mark {
   width: 30px;
   height: 30px;
   font-size: 14px;
  }
  .nav-links {
   gap: 0;
  }
  .nav-link {
   padding: 6px 6px;
   font-size: 12px;
  }
  .nav-more-btn {
   padding: 6px 6px;
   font-size: 12px;
  }
  .mobile-search-panel {
   top: 60px;
   padding: 12px 16px;
  }
 }
 @media (max-width: 520px) {
  .nav-links {
   gap: 0;
   overflow-x: auto;
   scrollbar-width: none;
   -ms-overflow-style: none;
  }
  .nav-links::-webkit-scrollbar {
   display: none;
  }
  .nav-link,
  .nav-more-btn {
   flex-shrink: 0;
  }
 }

 /* Main */
 .site-main {
  flex: 1;
  padding-top: 68px;
 }
 @media (max-width: 768px) {
  .site-main {
   padding-top: 60px;
  }
 }

 /* Breadcrumb */
 .breadcrumb-section {
  padding: 28px 0 0;
 }
 .breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 13.5px;
  color: var(--color-muted);
 }
 .breadcrumb a {
  color: var(--color-muted);
  transition: color var(--transition-fast);
 }
 .breadcrumb a:hover {
  color: var(--color-primary);
 }
 .breadcrumb .sep {
  color: #c4b5a8;
  font-size: 12px;
 }
 .breadcrumb .current {
  color: var(--color-primary);
  font-weight: 600;
 }

 /* Category Hero */
 .category-hero {
  padding: 28px 0 40px;
 }
 .category-hero-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  background: linear-gradient(145deg, #2B1D12 0%, #3E2A1A 55%, #4A3320 100%);
  border-radius: 20px;
  padding: 48px 44px;
  position: relative;
  overflow: hidden;
 }
 .category-hero-panel::after {
  content: "";
  position: absolute;
  right: -60px;
  top: -60px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(212, 138, 61, 0.18) 0%, transparent 70%);
  pointer-events: none;
 }
 .category-hero-left {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
 }
 .category-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(212, 138, 61, 0.22);
  color: #F0C38A;
  font-size: 12px;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 16px;
  width: fit-content;
  letter-spacing: 0.04em;
 }
 .category-hero h1 {
  font-size: 34px;
  font-weight: 800;
  line-height: 1.25;
  color: #FCF6EF;
  letter-spacing: -0.01em;
  margin-bottom: 16px;
 }
 .category-hero .hero-sub {
  font-size: 15.5px;
  line-height: 1.75;
  color: rgba(240, 228, 214, 0.82);
  max-width: 520px;
  margin-bottom: 28px;
 }
 .hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
 }
 .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-size: 15px;
  font-weight: 700;
  border-radius: var(--radius-btn);
  transition: all var(--transition-base);
  letter-spacing: 0.01em;
  text-align: center;
 }
 .btn-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: var(--shadow-btn);
 }
 .btn-primary:hover {
  background: var(--color-primary-hover);
  box-shadow: var(--shadow-btn-hover);
  color: #fff;
  transform: translateY(-1px);
 }
 .btn-primary:active {
  transform: translateY(1px);
  box-shadow: 0 2px 8px rgba(194, 87, 27, 0.25);
 }
 .btn-outline-light {
  background: transparent;
  color: #F0C38A;
  border: 1px solid rgba(240, 195, 138, 0.4);
 }
 .btn-outline-light:hover {
  background: rgba(212, 138, 61, 0.18);
  border-color: rgba(240, 195, 138, 0.6);
  color: #F0C38A;
 }
 .btn-outline-dark {
  background: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-border-strong);
 }
 .btn-outline-dark:hover {
  background: var(--color-primary-soft);
  border-color: var(--color-primary);
  color: var(--color-primary-hover);
 }
 .btn:focus-visible,
 .nav-link:focus-visible,
 .nav-more-btn:focus-visible,
 .search-icon-btn:focus-visible,
 .mobile-search-toggle:focus-visible,
 .card-action:focus-visible,
 .faq-question:focus-visible,
 .pagination a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
 }
 .category-hero-right {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
 }
 .faux-panel {
  width: 100%;
  max-width: 400px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(240, 228, 214, 0.12);
  border-radius: 16px;
  padding: 20px;
  backdrop-filter: blur(4px);
 }
 .faux-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
  color: #F0C38A;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.03em;
 }
 .faux-panel-header .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #7ECB89;
  display: inline-block;
  margin-right: 6px;
 }
 .faux-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid rgba(240, 228, 214, 0.08);
  font-size: 13.5px;
 }
 .faux-row:last-child {
  border-bottom: none;
 }
 .faux-row .fr-label {
  color: rgba(240, 228, 214, 0.7);
  display: flex;
  align-items: center;
  gap: 6px;
 }
 .faux-row .fr-value {
  color: #fff;
  font-weight: 700;
  font-family: var(--font-mono);
  font-size: 13px;
 }
 .faux-row .fr-value.highlight {
  color: #F0C38A;
 }
 .faux-panel-footer {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid rgba(240, 228, 214, 0.1);
  font-size: 12px;
  color: rgba(240, 228, 214, 0.6);
  text-align: center;
 }

 /* Section common */
 .section {
  padding: var(--section-padding);
 }
 .section-heading {
  margin-bottom: 36px;
 }
 .section-heading h2 {
  font-size: 26px;
  font-weight: 800;
  line-height: 1.3;
  color: var(--color-text-heading);
  letter-spacing: -0.01em;
  margin-bottom: 10px;
 }
 .section-heading p {
  font-size: 15.5px;
  color: var(--color-muted);
  max-width: 680px;
 }

 /* Tool cards grid */
 .tool-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
 }
 .tool-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: box-shadow var(--transition-base), transform var(--transition-base), border-color var(--transition-base);
  display: flex;
  flex-direction: column;
 }
 .tool-card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-3px);
  border-color: var(--color-border-strong);
 }
 .tool-card-img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  background: #f0e8df;
 }
 .tool-card-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
 }
 .tool-card-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 10px;
  font-size: 12.5px;
  color: var(--color-muted);
 }
 .tool-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  font-size: 11.5px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  letter-spacing: 0.03em;
 }
 .tool-card h3 {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--color-text-heading);
  margin-bottom: 8px;
  transition: color var(--transition-fast);
 }
 .tool-card:hover h3 {
  color: var(--color-primary);
 }
 .tool-card p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-muted);
  margin-bottom: 16px;
  flex: 1;
 }
 .card-action {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
  transition: gap var(--transition-fast), color var(--transition-fast);
 }
 .card-action:hover {
  color: var(--color-primary-hover);
  gap: 10px;
 }
 .card-action svg {
  flex-shrink: 0;
 }

 /* Deep section */
 .deep-section {
  background: #F3E9DF;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
 }
 .deep-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: start;
 }
 .deep-content h2 {
  font-size: 24px;
  font-weight: 800;
  color: var(--color-text-heading);
  margin-bottom: 16px;
  line-height: 1.35;
 }
 .deep-content h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-secondary);
  margin: 20px 0 8px;
 }
 .deep-content p {
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--color-text);
  margin-bottom: 14px;
 }
 .deep-steps {
  background: var(--color-card);
  border-radius: var(--radius-card);
  border: 1px solid var(--color-border);
  padding: 28px;
  box-shadow: var(--shadow-card);
 }
 .deep-steps h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text-heading);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
 }
 .step-item {
  display: flex;
  gap: 14px;
  margin-bottom: 16px;
  align-items: flex-start;
 }
 .step-item:last-child {
  margin-bottom: 0;
 }
 .step-num {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-weight: 700;
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
 }
 .step-item h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-text-heading);
  margin-bottom: 4px;
 }
 .step-item p {
  font-size: 13.5px;
  color: var(--color-muted);
  line-height: 1.65;
 }

 /* Recommend strip */
 .recommend-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
 }
 .recommend-item {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 16px 18px;
  transition: box-shadow var(--transition-base), border-color var(--transition-base), transform var(--transition-base);
 }
 .recommend-item:hover {
  box-shadow: var(--shadow-card-hover);
  border-color: var(--color-border-strong);
  transform: translateY(-2px);
 }
 .recommend-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--color-primary-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  flex-shrink: 0;
 }
 .recommend-item h4 {
  font-size: 14.5px;
  font-weight: 700;
  color: var(--color-text-heading);
  margin-bottom: 2px;
 }
 .recommend-item p {
  font-size: 13px;
  color: var(--color-muted);
 }

 /* FAQ */
 .faq-section {
  padding: var(--section-padding);
 }
 .faq-list {
  max-width: 840px;
  margin: 0 auto;
}
 .faq-item {
  border-bottom: 1px solid var(--color-border);
  transition: border-color var(--transition-fast);
 }
 .faq-item:first-child {
  border-top: 1px solid var(--color-border);
 }
 .faq-item:hover {
  border-color: var(--color-border-strong);
 }
 .faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 4px;
  font-size: 17px;
  font-weight: 700;
  color: var(--color-text-heading);
  text-align: left;
  transition: color var(--transition-fast);
 }
 .faq-question:hover {
  color: var(--color-primary);
 }
 .faq-icon {
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 1px solid var(--color-border-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 600;
  color: var(--color-muted);
  transition: transform var(--transition-base), color var(--transition-fast), border-color var(--transition-fast);
 }
 .faq-item.open .faq-icon {
  transform: rotate(90deg);
  color: var(--color-primary);
  border-color: var(--color-primary);
 }
 .faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow), padding var(--transition-base);
  padding: 0 4px;
 }
 .faq-item.open .faq-answer {
  max-height: 300px;
  padding: 0 4px 20px;
 }
 .faq-answer p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--color-muted);
 }

 /* CTA */
 .cta-section {
  padding: var(--section-padding);
 }
 .cta-panel {
  background: linear-gradient(145deg, #2B1D12 0%, #3E2A1A 60%, #4A3320 100%);
  border-radius: 20px;
  padding: 48px 44px;
  text-align: center;
  position: relative;
  overflow: hidden;
 }
 .cta-panel::before {
  content: "";
  position: absolute;
  left: 50%;
  top: -80px;
  transform: translateX(-50%);
  width: 380px;
  height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(212, 138, 61, 0.2) 0%, transparent 70%);
  pointer-events: none;
 }
 .cta-panel h2 {
  font-size: 26px;
  font-weight: 800;
  color: #FCF6EF;
  margin-bottom: 12px;
  position: relative;
  z-index: 1;
 }
 .cta-panel p {
  font-size: 15.5px;
  color: rgba(240, 228, 214, 0.78);
  max-width: 560px;
  margin: 0 auto 28px;
  position: relative;
  z-index: 1;
 }
 .cta-panel .btn-primary {
  position: relative;
  z-index: 1;
 }

 /* Pagination */
 .pagination-section {
  padding: 20px 0 56px;
 }
 .pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  flex-wrap: wrap;
 }
 .pagination a,
 .pagination .page-current {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 38px;
  height: 38px;
  padding: 0 10px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  border: 1px solid var(--color-border);
  color: var(--color-text);
  transition: all var(--transition-fast);
 }
 .pagination a:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-soft);
 }
 .pagination .page-current {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
  box-shadow: var(--shadow-btn);
 }
 .pagination .page-ellipsis {
  color: var(--color-muted);
  font-size: 14px;
  padding: 0 4px;
 }

 /* Footer */
 .site-footer {
  background: var(--color-footer-bg);
  color: var(--color-footer-text);
  padding: 48px 0 0;
  margin-top: auto;
 }
 .footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 36px;
  padding-bottom: 36px;
 }
 .footer-brand .logo-link {
  color: var(--color-footer-text);
  font-size: 20px;
  margin-bottom: 14px;
 }
 .footer-brand .logo-link:hover {
  color: #F0C38A;
 }
 .footer-brand p {
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--color-footer-muted);
  max-width: 300px;
 }
 .footer-col h4 {
  font-size: 14px;
  font-weight: 700;
  color: #F0C38A;
  margin-bottom: 14px;
  letter-spacing: 0.04em;
 }
 .footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
 }
 .footer-col ul a {
  font-size: 13.5px;
  color: var(--color-footer-muted);
  transition: color var(--transition-fast);
 }
 .footer-col ul a:hover {
  color: #F0C38A;
 }
 .footer-bottom {
  border-top: 1px solid rgba(240, 228, 214, 0.1);
  padding: 20px 0 24px;
  text-align: center;
  font-size: 12.5px;
  color: var(--color-footer-muted);
  line-height: 1.8;
 }
 .footer-bottom p {
  margin-bottom: 4px;
 }
 .footer-bottom-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 8px;
 }
 .footer-bottom-links a {
  color: var(--color-footer-muted);
  font-size: 12.5px;
  transition: color var(--transition-fast);
 }
 .footer-bottom-links a:hover {
  color: #F0C38A;
 }
 .footer-sep {
  color: rgba(240, 228, 214, 0.3);
 }

 @media (max-width: 1024px) {
  .category-hero-panel {
   grid-template-columns: 1fr;
   padding: 36px 28px;
  }
  .category-hero-right {
   justify-content: flex-start;
  }
  .faux-panel {
   max-width: 100%;
  }
  .tool-grid {
   grid-template-columns: repeat(2, 1fr);
  }
  .deep-grid {
   grid-template-columns: 1fr;
   gap: 32px;
  }
  .recommend-strip {
   grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
   grid-template-columns: 1fr 1fr;
   gap: 28px;
  }
 }
 @media (max-width: 768px) {
  .category-hero h1 {
   font-size: 26px;
  }
  .category-hero-panel {
   padding: 28px 20px;
  }
  .tool-grid {
   grid-template-columns: 1fr;
  }
  .recommend-strip {
   grid-template-columns: 1fr;
  }
  .section-heading h2 {
   font-size: 22px;
  }
  .deep-steps {
   padding: 20px;
  }
  .cta-panel {
   padding: 32px 22px;
  }
  .cta-panel h2 {
   font-size: 22px;
  }
  .footer-grid {
   grid-template-columns: 1fr;
   gap: 24px;
  }
  .pagination a,
  .pagination .page-current {
   min-width: 34px;
   height: 34px;
   font-size: 13px;
  }
 }
 @media (max-width: 480px) {
  .container {
   padding: 0 16px;
  }
  .category-hero h1 {
   font-size: 22px;
  }
  .hero-actions {
   flex-direction: column;
   align-items: stretch;
  }
  .btn {
   width: 100%;
  }
  .breadcrumb-section {
   padding: 20px 0 0;
  }
  .faux-panel {
   padding: 14px;
  }
  .faux-row {
   font-size: 12px;
  }
 }

/* roulang page: category4 */
:root {
            --color-primary: #C2571B;
            --color-primary-hover: #A3460F;
            --color-primary-soft: #F5E6D9;
            --color-secondary: #7A4A2B;
            --color-accent: #D48A3D;
            --color-bg: #FAF6F0;
            --color-card: #FFFFFF;
            --color-text: #2E2018;
            --color-text-heading: #1E120B;
            --color-muted: #8A7565;
            --color-border: rgba(94, 60, 30, 0.12);
            --color-border-strong: rgba(94, 60, 30, 0.22);
            --color-footer-bg: #2B1D12;
            --color-footer-text: #F0E4D6;
            --color-footer-muted: #B8A895;
            --radius-sm: 6px;
            --radius-card: 14px;
            --radius-btn: 10px;
            --radius-full: 999px;
            --shadow-card: 0 4px 20px rgba(75, 45, 20, 0.07);
            --shadow-card-hover: 0 12px 32px rgba(105, 60, 20, 0.16);
            --shadow-btn: 0 4px 14px rgba(194, 87, 27, 0.28);
            --shadow-btn-hover: 0 6px 20px rgba(194, 87, 27, 0.38);
            --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
            --font-mono: "SF Mono", "JetBrains Mono", "Fira Code", Consolas, "Courier New", monospace;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            --container-max: 1200px;
            --section-padding: 72px 0;
            --section-gap-sm: 32px;
            --section-gap-md: 48px;
            --section-gap-lg: 80px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-primary-hover);
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            color: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        :focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
        }

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(250, 246, 240, 0.94);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--color-border);
            box-shadow: 0 1px 12px rgba(75, 45, 20, 0.04);
            transition: box-shadow var(--transition-base);
        }
        .site-header.scrolled {
            box-shadow: 0 4px 24px rgba(75, 45, 20, 0.08);
        }
        .header-inner {
            display: flex;
            align-items: center;
            gap: 16px;
            height: 68px;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        .logo-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
            color: var(--color-text-heading);
            font-weight: 800;
            font-size: 20px;
            letter-spacing: -0.01em;
            transition: color var(--transition-fast);
        }
        .logo-link:hover {
            color: var(--color-primary);
        }
        .logo-mark {
            width: 34px;
            height: 34px;
            border-radius: 9px;
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 16px;
            letter-spacing: -0.02em;
            box-shadow: 0 2px 10px rgba(194, 87, 27, 0.25);
            flex-shrink: 0;
        }
        .nav-search-wrap {
            flex: 1;
            display: flex;
            justify-content: center;
            min-width: 0;
        }
        .nav-search {
            width: 100%;
            max-width: 480px;
            position: relative;
            display: flex;
            align-items: center;
        }
        .nav-search input[type="search"] {
            width: 100%;
            height: 40px;
            border-radius: var(--radius-full);
            border: 1px solid var(--color-border-strong);
            background: #fff;
            padding: 0 40px 0 18px;
            font-size: 14px;
            color: var(--color-text);
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }
        .nav-search input[type="search"]::placeholder {
            color: var(--color-muted);
        }
        .nav-search input[type="search"]:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(194, 87, 27, 0.12);
            outline: none;
        }
        .nav-search-icon {
            position: absolute;
            right: 14px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--color-muted);
            pointer-events: none;
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-shrink: 0;
        }
        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 12px;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text);
            border-radius: var(--radius-full);
            transition: color var(--transition-fast), background-color var(--transition-fast);
            white-space: nowrap;
        }
        .nav-link:hover {
            color: var(--color-primary);
            background: var(--color-primary-soft);
        }
        .nav-link.active {
            color: var(--color-primary);
            background: var(--color-primary-soft);
            font-weight: 700;
        }
        .nav-more {
            position: relative;
            flex-shrink: 0;
        }
        .nav-more-btn {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 8px 12px;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text);
            border-radius: var(--radius-full);
            transition: color var(--transition-fast), background-color var(--transition-fast);
            white-space: nowrap;
        }
        .nav-more-btn:hover {
            color: var(--color-primary);
            background: var(--color-primary-soft);
        }
        .nav-more-menu {
            position: absolute;
            top: calc(100% + 6px);
            right: 0;
            min-width: 160px;
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card-hover);
            padding: 8px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(-6px);
            transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base);
            z-index: 50;
        }
        .nav-more:hover .nav-more-menu,
        .nav-more:focus-within .nav-more-menu {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        .nav-more-menu a {
            display: block;
            padding: 8px 12px;
            font-size: 14px;
            color: var(--color-text);
            border-radius: var(--radius-sm);
            transition: background-color var(--transition-fast), color var(--transition-fast);
        }
        .nav-more-menu a:hover {
            background: var(--color-primary-soft);
            color: var(--color-primary);
        }
        .nav-more-menu a.active {
            background: var(--color-primary-soft);
            color: var(--color-primary);
            font-weight: 700;
        }
        .header-menu-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--color-border-strong);
            background: #fff;
            align-items: center;
            justify-content: center;
            color: var(--color-text);
            flex-shrink: 0;
            transition: background-color var(--transition-fast), color var(--transition-fast);
        }
        .header-menu-toggle:hover {
            background: var(--color-primary-soft);
            color: var(--color-primary);
        }

        /* Breadcrumb */
        .breadcrumb-wrap {
            margin-top: 68px;
            padding: 20px 0 0;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 14px;
            color: var(--color-muted);
        }
        .breadcrumb a {
            color: var(--color-muted);
            transition: color var(--transition-fast);
        }
        .breadcrumb a:hover {
            color: var(--color-primary);
        }
        .breadcrumb .separator {
            display: inline-flex;
            align-items: center;
            color: var(--color-muted);
            margin: 0 2px;
        }
        .breadcrumb .current {
            color: var(--color-text-heading);
            font-weight: 600;
        }

        /* Page Banner */
        .page-banner {
            padding: 36px 0 28px;
        }
        .page-banner-inner {
            display: flex;
            align-items: flex-start;
            gap: 32px;
            flex-wrap: wrap;
        }
        .page-banner-text {
            flex: 1 1 60%;
            min-width: 300px;
        }
        .page-banner-text h1 {
            font-size: 32px;
            font-weight: 800;
            color: var(--color-text-heading);
            letter-spacing: -0.01em;
            line-height: 1.3;
            margin-bottom: 14px;
        }
        .page-banner-text p {
            font-size: 16px;
            color: var(--color-muted);
            max-width: 720px;
            line-height: 1.8;
        }
        .page-banner-image {
            flex: 0 0 260px;
            max-width: 260px;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .page-banner-image img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }

        /* Section Base */
        .section {
            padding: var(--section-padding);
        }
        .section-sm {
            padding: 32px 0;
        }
        .section-title {
            font-size: 24px;
            font-weight: 800;
            color: var(--color-text-heading);
            letter-spacing: -0.01em;
            margin-bottom: 12px;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--color-muted);
            margin-bottom: 28px;
            line-height: 1.8;
        }

        /* Resource Grid Cards */
        .resource-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .resource-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: box-shadow var(--transition-base), transform var(--transition-base);
        }
        .resource-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        .resource-card-img {
            width: 100%;
            height: 170px;
            overflow: hidden;
            position: relative;
            background: var(--color-primary-soft);
        }
        .resource-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .resource-card:hover .resource-card-img img {
            transform: scale(1.04);
        }
        .resource-card-body {
            padding: 18px 20px 20px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex: 1;
        }
        .resource-card-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            font-size: 12px;
            color: var(--color-muted);
        }
        .resource-card-tag {
            display: inline-block;
            padding: 2px 10px;
            background: var(--color-primary-soft);
            color: var(--color-primary);
            font-size: 12px;
            font-weight: 600;
            border-radius: var(--radius-full);
        }
        .resource-card-date {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .resource-card-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-text-heading);
            line-height: 1.4;
            transition: color var(--transition-fast);
        }
        .resource-card:hover .resource-card-title {
            color: var(--color-primary);
        }
        .resource-card-desc {
            font-size: 14px;
            color: var(--color-muted);
            line-height: 1.65;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }
        .resource-card-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-primary);
            margin-top: 6px;
            transition: color var(--transition-fast);
        }
        .resource-card-link:hover {
            color: var(--color-primary-hover);
        }

        /* Deep Content Section */
        .deep-content-section {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 36px 40px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }
        .deep-content-block h3 {
            font-size: 20px;
            font-weight: 800;
            color: var(--color-text-heading);
            margin-bottom: 16px;
            line-height: 1.4;
        }
        .deep-content-block p {
            font-size: 15px;
            color: var(--color-text);
            line-height: 1.85;
            margin-bottom: 12px;
        }
        .deep-content-block p:last-child {
            margin-bottom: 0;
        }
        .deep-content-block ul {
            list-style: none;
            padding: 0;
            margin-top: 12px;
        }
        .deep-content-block ul li {
            position: relative;
            padding-left: 22px;
            font-size: 15px;
            color: var(--color-text);
            line-height: 1.8;
            margin-bottom: 8px;
        }
        .deep-content-block ul li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 10px;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-primary);
        }

        /* Recommended Resource */
        .recommend-highlight {
            background: var(--color-primary-soft);
            border-radius: var(--radius-card);
            padding: 28px 32px;
            display: flex;
            align-items: center;
            gap: 24px;
            flex-wrap: wrap;
            margin-top: 28px;
        }
        .recommend-icon {
            width: 52px;
            height: 52px;
            border-radius: 12px;
            background: var(--color-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 22px;
            flex-shrink: 0;
            box-shadow: var(--shadow-btn);
        }
        .recommend-text {
            flex: 1;
            min-width: 240px;
        }
        .recommend-text strong {
            display: block;
            font-size: 18px;
            font-weight: 700;
            color: var(--text-heading;
}
.recommend-text p {
    font-size: 14px;
    color: var(--color-muted);
    line-height: 1.65;
    margin: 6px 0 0;
}
.recommend-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-weight: 600;
    font-size: 14px;
    color: var(--color-primary);
    margin-top: 10px;
    transition: color var(--transition-fast);
}
.recommend-link:hover {
    color: var(--color-primary-hover);
}
.breadcrumb-wrap {
    margin-top: 68px;
    padding: 20px 0 0;
}
.breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
    font-size: 14px;
    color: var(--color-muted);
}
.breadcrumb a {
    color: var(--color-muted);
    transition: color var(--transition-fast);
}
.breadcrumb a:hover {
    color: var(--color-primary);
}
.breadcrumb .separator {
    display: inline-flex;
    align-items: center;
    color: var(--color-muted);
    margin: 0 2px;
}
.breadcrumb .current {
    color: var(--color-text-heading);
    font-weight: 600;
}
.page-banner {
    padding: 36px 0 28px;
}
.page-banner-inner {
    display: flex;
    align-items: flex-start;
    gap: 32px;
    flex-wrap: wrap;
}
.page-banner-text {
    flex: 1 1 60%;
    min-width: 300px;
}
.page-banner-text h1 {
    font-size: 32px;
    font-weight: 800;
    color: var(--color-text-heading);
    letter-spacing: -0.01em;
    line-height: 1.3;
    margin-bottom: 14px;
}
.page-banner-text p {
    font-size: 16px;
    color: var(--color-muted);
    max-width: 720px;
    line-height: 1.8;
}
.page-banner-image {
    flex: 0 0 260px;
    max-width: 260px;
    border-radius: var(--radius-card);
    overflow: hidden;
    box-shadow: var(--shadow-card);
}
.page-banner-image img {
    width: 100%;
    height: 180px;
    object-fit: cover;
}
.section {
    padding: var(--section-padding);
}
.section-sm {
    padding: 32px 0;
}
.section-title {
    font-size: 24px;
    font-weight: 800;
    color: var(--color-text-heading);
    letter-spacing: -0.01em;
    margin-bottom: 12px;
}
.section-subtitle {
    font-size: 16px;
    color: var(--color-muted);
    margin-bottom: 28px;
    line-height: 1.8;
}
.resource-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.resource-card {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-card);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: box-shadow var(--transition-base), transform var(--transition-base);
}
.resource-card:hover {
    box-shadow: var(--shadow-card-hover);
    transform: translateY(-3px);
}
.resource-card-img {
    width: 100%;
    height: 170px;
    overflow: hidden;
    position: relative;
    background: var(--color-primary-soft);
}
.resource-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}
.resource-card:hover .resource-card-img img {
    transform: scale(1.04);
}
.resource-card-body {
    padding: 18px 20px 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    flex: 1;
}
.resource-card-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    font-size: 12px;
    color: var(--color-muted);
}
.resource-card-tag {
    display: inline-block;
    padding: 2px 10px;
    background: var(--color-primary-soft);
    color: var(--color-primary);
    font-size: 12px;
    font-weight: 600;
    border-radius: var(--radius-full);
}
.resource-card-date {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}
.resource-card-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-text-heading);
    line-height: 1.4;
    transition: color var(--transition-fast);
}
.resource-card:hover .resource-card-title {
    color: var(--color-primary);
}
.resource-card-desc {
    font-size: 14px;
    color: var(--color-muted);
    line-height: 1.65;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
}
.resource-card-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-primary);
    margin-top: 6px;
    transition: color var(--transition-fast);
}
.resource-card-link:hover {
    color: var(--color-primary-hover);
}
.deep-content-section {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-card);
    padding: 36px 40px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}
.deep-content-block h3 {
    font-size: 20px;
    font-weight: 800;
    color: var(--color-text-heading);
    margin-bottom: 16px;
    line-height: 1.4;
}
.deep-content-block p {
    font-size: 15px;
    color: var(--color-text);
    line-height: 1.85;
    margin-bottom: 12px;
}
.deep-content-block p:last-child {
    margin-bottom: 0;
}
.deep-content-block ul {
    list-style: none;
    padding: 0;
    margin-top: 12px;
}
.deep-content-block ul li {
    position: relative;
    padding-left: 22px;
    font-size: 15px;
    color: var(--color-text);
    line-height: 1.8;
    margin-bottom: 8px;
}
.deep-content-block ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-primary);
}
.recommend-highlight {
    background: var(--color-primary-soft);
    border-radius: var(--radius-card);
    padding: 28px 32px;
    display: flex;
    align-items: center;
    gap: 24px;
    flex-wrap: wrap;
    margin-top: 28px;
}
.recommend-icon {
    width: 52px;
    height: 52px;
    border-radius: 12px;
    background: var(--color-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 22px;
    flex-shrink: 0;
    box-shadow: var(--shadow-btn);
}
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--color-border);
}
.pagination-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 38px;
    height: 38px;
    padding: 0 10px;
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-sm);
    background: #fff;
    color: var(--color-text);
    font-size: 14px;
    font-weight: 500;
    transition: all var(--transition-fast);
}
.pagination-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: var(--color-primary-soft);
}
.pagination-btn.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
    font-weight: 700;
    box-shadow: var(--shadow-btn);
}
.pagination-btn.disabled {
    opacity: 0.4;
    pointer-events: none;
}