/* roulang page: index */
:root {
            --primary: #1f2a33;
            --primary-light: #2a3a47;
            --primary-dark: #161e25;
            --accent: #b89068;
            --accent-dark: #a67b56;
            --accent-light: #e6d7c3;
            --bg-body: #f6f5f2;
            --bg-card: #f8f6f3;
            --bg-white: #ffffff;
            --border-soft: #e8e4dd;
            --border-mid: #d9d4ca;
            --text-primary: #29343f;
            --text-secondary: #68757e;
            --text-muted: #9aa5ab;
            --success: #3e7c5a;
            --warning: #a15c3c;
            --disabled: #c8ccd0;
            --radius-lg: 12px;
            --radius-md: 10px;
            --radius-sm: 8px;
            --radius-btn: 4px;
            --shadow-hover: 0 8px 24px rgba(31, 42, 51, 0.08);
            --shadow-nav: 0 2px 12px rgba(31, 42, 51, 0.06);
            --transition: 0.2s ease;
            --font-primary: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-primary);
            background: var(--bg-body);
            color: var(--text-primary);
            line-height: 1.75;
            font-size: 1rem;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition), border-color var(--transition), background var(--transition);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        .container {
            max-width: 1140px;
            padding-left: 16px;
            padding-right: 16px;
        }
        @media (max-width: 767px) {
            .container {
                padding-left: 20px;
                padding-right: 20px;
            }
        }

        /* ---------- Header & Nav ---------- */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--border-soft);
            transition: box-shadow var(--transition), background var(--transition);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-nav);
        }
        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 0;
            gap: 16px;
        }
        .brand-logo {
            font-size: 1.45rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.02em;
            display: flex;
            align-items: center;
            line-height: 1.2;
        }
        .brand-logo span {
            font-size: 0.85rem;
            font-weight: 400;
            color: var(--text-secondary);
            margin-left: 8px;
            letter-spacing: 0.04em;
        }
        .header-right {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .header-search {
            display: flex;
            align-items: center;
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-btn);
            padding: 0 10px;
            transition: border-color var(--transition);
        }
        .header-search:focus-within {
            border-color: var(--accent);
        }
        .header-search input {
            border: none;
            background: transparent;
            outline: none;
            padding: 6px 4px;
            font-size: 0.85rem;
            color: var(--text-primary);
            width: 130px;
        }
        .header-search input::placeholder {
            color: var(--text-muted);
        }
        .header-search .bi {
            color: var(--text-secondary);
            font-size: 0.9rem;
            cursor: pointer;
        }
        .btn-accent-sm {
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: var(--radius-btn);
            padding: 6px 18px;
            font-size: 0.875rem;
            font-weight: 500;
            transition: background var(--transition);
        }
        .btn-accent-sm:hover {
            background: var(--accent-dark);
            color: #fff;
        }
        .navbar-toggler {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 6px;
            flex-direction: column;
            gap: 4px;
        }
        .navbar-toggler span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: transform 0.2s, opacity 0.2s;
        }
        .navbar-toggler.open span:nth-child(1) {
            transform: translateY(6px) rotate(45deg);
        }
        .navbar-toggler.open span:nth-child(2) {
            opacity: 0;
        }
        .navbar-toggler.open span:nth-child(3) {
            transform: translateY(-6px) rotate(-45deg);
        }
        .main-nav {
            border-top: 1px solid var(--border-soft);
            padding: 0;
        }
        .nav-list {
            list-style: none;
            display: flex;
            gap: 0;
            margin: 0;
            padding: 0;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
        }
        .nav-list li {
            flex-shrink: 0;
        }
        .nav-list a {
            display: inline-block;
            padding: 12px 18px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-bottom: 2px solid transparent;
            transition: color var(--transition), border-color var(--transition);
            white-space: nowrap;
        }
        .nav-list a:hover {
            color: var(--primary);
        }
        .nav-list a.active {
            color: var(--primary);
            border-bottom-color: var(--accent);
            font-weight: 600;
        }
        .nav-list a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 50%;
            transform: translateX(-50%);
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
        }
        @media (max-width: 991px) {
            .header-search {
                display: none;
            }
            .navbar-toggler {
                display: flex;
            }
            .main-nav {
                display: none;
                border-top: 1px solid var(--border-soft);
            }
            .main-nav.open {
                display: block;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: #fff;
                box-shadow: var(--shadow-nav);
                z-index: 1040;
            }
            .nav-list {
                flex-direction: column;
                padding: 8px 0;
            }
            .nav-list a {
                display: block;
                padding: 14px 24px;
                border-bottom: 1px solid var(--bg-body);
                font-size: 0.95rem;
            }
            .nav-list a.active {
                border-bottom: 1px solid var(--bg-body);
                color: var(--accent);
            }
            .nav-list a.active::after {
                display: none;
            }
        }

        /* ---------- Hero ---------- */
        .hero {
            position: relative;
            background: linear-gradient(135deg, #f6f5f2 0%, #f0ede8 100%);
            padding: 72px 0 56px;
            overflow: hidden;
            min-height: 480px;
            display: flex;
            align-items: center;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: 0.12;
            z-index: 0;
        }
        .hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(255, 255, 255, 0.6) 0%, rgba(255, 255, 255, 0) 100%);
            z-index: 1;
        }
        .hero .container {
            position: relative;
            z-index: 2;
        }
        .hero-tag {
            display: inline-block;
            background: rgba(184, 144, 104, 0.12);
            border: 1px solid rgba(184, 144, 104, 0.3);
            color: var(--accent-dark);
            font-size: 0.8rem;
            font-weight: 500;
            padding: 4px 16px;
            border-radius: 20px;
            letter-spacing: 0.04em;
            margin-bottom: 20px;
        }
        .hero h1 {
            font-size: clamp(2.2rem, 5vw, 3.4rem);
            font-weight: 800;
            color: var(--primary);
            line-height: 1.15;
            margin-bottom: 16px;
        }
        .hero-sub {
            font-size: 1.05rem;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 460px;
            margin-bottom: 28px;
        }
        .hero-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-bottom: 40px;
        }
        .hero-actions .btn {
            padding: 12px 32px;
        }
        .btn-primary,
        .btn-accent {
            background: var(--primary);
            color: #fff;
            border: 1px solid var(--primary);
            border-radius: var(--radius-btn);
            font-weight: 500;
            transition: background var(--transition), border-color var(--transition), transform 0.15s;
        }
        .btn-primary:hover,
        .btn-accent:hover {
            background: var(--accent);
            border-color: var(--accent);
            color: #fff;
        }
        .btn-primary:active,
        .btn-accent:active {
            transform: translateY(1px);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--border-mid);
            border-radius: var(--radius-btn);
            font-weight: 500;
            transition: all var(--transition);
        }
        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(31, 42, 51, 0.03);
        }
        .hero-stats {
            display: flex;
            gap: 40px;
            flex-wrap: wrap;
        }
        .hero-stats .stat {
            text-align: left;
        }
        .hero-stats .stat strong {
            display: block;
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
            font-variant-numeric: tabular-nums;
        }
        .hero-stats .stat span {
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .hero-visual {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: 0 12px 40px rgba(31, 42, 51, 0.1);
            background: var(--bg-white);
        }
        .hero-visual img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }
        @media (max-width: 767px) {
            .hero {
                padding: 48px 0 40px;
                min-height: auto;
            }
            .hero-actions .btn {
                flex: 1;
                text-align: center;
            }
            .hero-stats {
                gap: 24px;
            }
            .hero-visual {
                margin-top: 32px;
            }
        }

        /* ---------- Section common ---------- */
        .section {
            padding: 80px 0;
        }
        .section-alt {
            background: var(--bg-white);
        }
        .section-head {
            margin-bottom: 44px;
        }
        .section-tag {
            display: inline-block;
            color: var(--accent);
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            margin-bottom: 8px;
        }
        .section-title {
            font-size: clamp(1.4rem, 2.4vw, 1.9rem);
            font-weight: 700;
            color: var(--primary);
            line-height: 1.3;
            margin-bottom: 8px;
        }
        .section-sub {
            font-size: 0.95rem;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.7;
        }
        @media (max-width: 767px) {
            .section {
                padding: 48px 0;
            }
            .section-head {
                margin-bottom: 28px;
            }
        }

        /* ---------- Timeline ---------- */
        .timeline-wrap {
            position: relative;
            max-width: 860px;
            margin: 0 auto;
            padding: 20px 0;
        }
        .timeline-wrap::before {
            content: '';
            position: absolute;
            left: 50%;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--border-soft);
            transform: translateX(-50%);
        }
        .timeline-item {
            display: flex;
            justify-content: flex-end;
            padding: 16px 0;
            position: relative;
            width: 50%;
        }
        .timeline-item:nth-child(even) {
            align-self: flex-end;
            justify-content: flex-start;
            margin-left: 50%;
            padding-left: 40px;
        }
        .timeline-item:nth-child(odd) {
            justify-content: flex-end;
            padding-right: 40px;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            top: 24px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--accent);
            border: 3px solid var(--bg-body);
            box-shadow: 0 0 0 2px var(--accent);
            z-index: 1;
            transition: transform 0.2s;
        }
        .timeline-item:nth-child(odd)::before {
            right: -6px;
        }
        .timeline-item:nth-child(even)::before {
            left: -6px;
        }
        .timeline-item:hover::before {
            transform: scale(1.3);
        }
        .timeline-card {
            background: var(--bg-white);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            max-width: 360px;
            transition: box-shadow var(--transition), transform var(--transition);
        }
        .timeline-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .timeline-card .time {
            display: inline-block;
            background: var(--accent-light);
            color: var(--accent-dark);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 2px 10px;
            border-radius: 12px;
            margin-bottom: 10px;
        }
        .timeline-card h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 6px;
        }
        .timeline-card p {
            font-size: 0.875rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 0;
        }
        .timeline-card .location {
            margin-top: 10px;
            font-size: 0.8rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 4px;
        }
        @media (max-width: 767px) {
            .timeline-wrap::before {
                left: 20px;
            }
            .timeline-item,
            .timeline-item:nth-child(even) {
                width: 100%;
                margin-left: 0;
                padding-left: 50px;
                padding-right: 0;
                justify-content: flex-start;
            }
            .timeline-item:nth-child(odd) {
                padding-right: 0;
                padding-left: 50px;
            }
            .timeline-item::before {
                left: 14px !important;
                right: auto !important;
            }
            .timeline-card {
                max-width: 100%;
            }
        }

        /* ---------- Cards ---------- */
        .card-custom {
            background: var(--bg-white);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: box-shadow var(--transition), transform var(--transition);
            height: 100%;
        }
        .card-custom:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .card-custom .card-img {
            overflow: hidden;
            aspect-ratio: 16/10;
            background: var(--bg-card);
        }
        .card-custom .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .card-custom:hover .card-img img {
            transform: scale(1.03);
        }
        .card-custom .card-body-custom {
            padding: 20px 22px;
        }
        .card-custom .card-cat {
            font-size: 0.75rem;
            color: var(--accent);
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            display: inline-block;
            margin-bottom: 8px;
        }
        .card-custom h3 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--primary);
            line-height: 1.4;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .card-custom p {
            font-size: 0.875rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .card-custom .card-meta {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* ---------- Guest cards ---------- */
        .guest-card {
            background: var(--bg-white);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            text-align: center;
            transition: box-shadow var(--transition), transform var(--transition);
            height: 100%;
        }
        .guest-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .guest-avatar {
            width: 72px;
            height: 72px;
            border-radius: 50%;
            background: var(--accent-light);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.5rem;
            color: var(--accent-dark);
            font-weight: 700;
        }
        .guest-name {
            font-size: 1rem;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 2px;
        }
        .guest-title {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 10px;
        }
        .guest-desc {
            font-size: 0.875rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* ---------- Highlights ---------- */
        .highlight-item {
            display: flex;
            gap: 16px;
            padding: 20px 24px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border-left: 3px solid var(--accent);
            transition: background var(--transition), transform var(--transition);
        }
        .highlight-item:hover {
            background: var(--bg-white);
            transform: translateX(4px);
        }
        .highlight-icon {
            font-size: 1.6rem;
            color: var(--accent);
            flex-shrink: 0;
        }
        .highlight-item h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 4px;
        }
        .highlight-item p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-bottom: 0;
            line-height: 1.6;
        }

        /* ---------- Tickets ---------- */
        .ticket-wrap {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-soft);
            overflow: hidden;
        }
        .ticket-row {
            display: flex;
            align-items: center;
            padding: 32px 28px;
            border-bottom: 1px solid var(--bg-body);
            flex-wrap: wrap;
            gap: 20px;
            transition: background var(--transition);
        }
        .ticket-row:last-child {
            border-bottom: none;
        }
        .ticket-row:hover {
            background: var(--bg-card);
        }
        .ticket-name {
            flex: 0 0 140px;
        }
        .ticket-name h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 2px;
        }
        .ticket-name span {
            font-size: 0.78rem;
            color: var(--text-muted);
        }
        .ticket-price {
            flex: 0 0 140px;
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--primary);
            font-variant-numeric: tabular-nums;
        }
        .ticket-price small {
            font-size: 0.875rem;
            color: var(--text-muted);
            font-weight: 400;
        }
        .ticket-benefits {
            flex: 1;
            min-width: 240px;
        }
        .ticket-benefits ul {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 8px 20px;
            margin: 0;
            padding: 0;
        }
        .ticket-benefits li {
            font-size: 0.85rem;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .ticket-benefits li .bi {
            color: var(--success);
            font-size: 0.9rem;
        }
        .ticket-status {
            flex: 0 0 120px;
            text-align: right;
        }
        .btn-ticket {
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-btn);
            padding: 8px 24px;
            font-size: 0.875rem;
            font-weight: 500;
            transition: background var(--transition);
        }
        .btn-ticket:hover {
            background: var(--accent);
            color: #fff;
        }
        .btn-ticket.sold-out {
            background: var(--disabled);
            color: #fff;
            cursor: not-allowed;
            pointer-events: none;
        }
        @media (max-width: 991px) {
            .ticket-row {
                flex-direction: column;
                align-items: flex-start;
                padding: 24px 20px;
            }
            .ticket-status {
                text-align: left;
            }
        }

        /* ---------- Apply Form ---------- */
        .apply-section {
            position: relative;
            background: var(--primary);
            padding: 72px 0;
            color: #fff;
        }
        .apply-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.15;
        }
        .apply-section .container {
            position: relative;
            z-index: 2;
        }
        .apply-section .section-title {
            color: #fff;
        }
        .apply-section .section-sub {
            color: rgba(255, 255, 255, 0.7);
        }
        .apply-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 32px;
            max-width: 520px;
            margin: 0 auto;
        }
        .apply-card .form-label {
            font-size: 0.875rem;
            font-weight: 500;
            color: var(--text-primary);
            margin-bottom: 6px;
        }
        .apply-card .form-control {
            border: 1px solid var(--border-mid);
            border-radius: var(--radius-btn);
            padding: 10px 14px;
            font-size: 0.9rem;
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .apply-card .form-control:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(184, 144, 104, 0.15);
            outline: none;
        }
        .apply-card .btn-submit {
            width: 100%;
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: var(--radius-btn);
            padding: 12px;
            font-weight: 600;
            font-size: 1rem;
            transition: background var(--transition), transform 0.15s;
        }
        .apply-card .btn-submit:hover {
            background: var(--accent-dark);
        }
        .apply-card .btn-submit:active {
            transform: translateY(1px);
        }
        .trust-points {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            margin-top: 28px;
            justify-content: center;
        }
        .trust-point {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.875rem;
            color: rgba(255, 255, 255, 0.85);
        }
        .trust-point .bi {
            color: var(--accent);
            font-size: 1.1rem;
        }

        /* ---------- News List ---------- */
        .news-item {
            display: flex;
            gap: 20px;
            background: var(--bg-white);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 16px;
            transition: box-shadow var(--transition), border-color var(--transition);
        }
        .news-item:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--border-mid);
        }
        .news-thumb {
            flex: 0 0 160px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            background: var(--bg-card);
            aspect-ratio: 4/3;
        }
        .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .news-body {
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .news-cat {
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--accent);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 4px;
        }
        .news-body h3 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--primary);
            line-height: 1.4;
            margin-bottom: 6px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color var(--transition);
        }
        .news-body h3:hover {
            color: var(--accent-dark);
        }
        .news-body p {
            font-size: 0.875rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-meta {
            margin-top: auto;
            font-size: 0.78rem;
            color: var(--text-muted);
            display: flex;
            gap: 12px;
            align-items: center;
        }
        .empty-state {
            border: 2px dashed var(--border-mid);
            border-radius: var(--radius-md);
            padding: 40px;
            text-align: center;
            color: var(--text-muted);
            font-size: 0.95rem;
            background: var(--bg-card);
        }
        @media (max-width: 767px) {
            .news-item {
                flex-direction: column;
            }
            .news-thumb {
                flex: none;
                width: 100%;
                aspect-ratio: 16/9;
            }
        }

        /* ---------- Category Cards ---------- */
        .cat-card {
            background: var(--bg-white);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 28px 22px;
            display: flex;
            flex-direction: column;
            height: 100%;
            transition: box-shadow var(--transition), border-color var(--transition), transform var(--transition);
        }
        .cat-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--accent);
            transform: translateY(-2px);
        }
        .cat-card .cat-icon {
            font-size: 1.8rem;
            color: var(--accent);
            margin-bottom: 14px;
        }
        .cat-card h3 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .cat-card p {
            font-size: 0.875rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 16px;
            flex: 1;
        }
        .cat-card .cat-link {
            font-size: 0.875rem;
            font-weight: 500;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: color var(--transition), gap var(--transition);
        }
        .cat-card .cat-link:hover {
            color: var(--accent);
            gap: 10px;
        }

        /* ---------- Stats ---------- */
        .stats-section {
            background: var(--primary);
            color: #fff;
            padding: 56px 0;
        }
        .stats-item {
            text-align: center;
            padding: 16px;
        }
        .stats-item .num {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.3;
            font-variant-numeric: tabular-nums;
        }
        .stats-item .label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 4px;
        }
        @media (max-width: 767px) {
            .stats-item .num {
                font-size: 1.4rem;
            }
        }

        /* ---------- FAQ ---------- */
        .faq-wrap {
            max-width: 760px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-white);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: border-color var(--transition);
        }
        .faq-item.active {
            border-left: 3px solid var(--accent);
        }
        .faq-question {
            padding: 18px 22px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--primary);
            transition: color var(--transition);
        }
        .faq-question:hover {
            color: var(--accent-dark);
        }
        .faq-question .bi {
            font-size: 1.3rem;
            color: var(--accent);
            transition: transform 0.25s;
        }
        .faq-item.active .faq-question .bi {
            transform: rotate(45deg);
        }
        .faq-answer {
            padding: 0 22px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .faq-item.active .faq-answer {
            padding: 0 22px 20px;
            max-height: 300px;
        }

        /* ---------- CTA ---------- */
        .cta-section {
            background: linear-gradient(180deg, var(--bg-white) 0%, var(--bg-body) 100%);
            padding: 64px 0;
            text-align: center;
        }
        .cta-title {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 12px;
        }
        .cta-sub {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }

        /* ---------- Footer ---------- */
        .site-footer {
            background: var(--primary);
            color: #c7ccd1;
            padding: 56px 0 0;
            font-size: 0.9rem;
        }
        .footer-brand {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .footer-about {
            font-size: 0.85rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 20px;
        }
        .footer-title {
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 8px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.85rem;
            transition: color var(--transition), padding-left var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-contact {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.85rem;
            margin-bottom: 10px;
            color: rgba(255, 255, 255, 0.65);
        }
        .footer-contact .bi {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 16px 0;
            margin-top: 32px;
            text-align: center;
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* ---------- Reveal Animation ---------- */
        .reveal {
            opacity: 0;
            transform: translateY(12px);
            transition: opacity 0.5s ease, transform 0.5s ease;
        }
        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }
        @media (prefers-reduced-motion: reduce) {
            .reveal {
                opacity: 1;
                transform: none;
                transition: opacity 0.2s ease;
            }
        }

        /* ---------- Section spacings ---------- */
        .section-spacing {
            padding: 80px 0;
        }
        @media (max-width: 767px) {
            .section-spacing {
                padding: 48px 0;
            }
        }
        .section-white {
            background: var(--bg-white);
        }
        .section-gray {
            background: var(--bg-card);
        }

        /* ---------- Mobile adjust ---------- */
        @media (max-width: 575px) {
            .brand-logo {
                font-size: 1.2rem;
            }
            .brand-logo span {
                display: none;
            }
            .header-right .btn-accent-sm {
                padding: 6px 14px;
                font-size: 0.8rem;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #1f2a33;
            --accent: #b89068;
            --accent-dark: #a67b56;
            --bg: #f6f5f2;
            --white: #ffffff;
            --border: #e8e4dd;
            --border-dark: #d9d4ca;
            --text: #29343f;
            --text-secondary: #68757e;
            --text-muted: #9aa5ab;
            --success: #3e7c5a;
            --warning: #a15c3c;
            --disabled: #c8ccd0;
            --radius-lg: 12px;
            --radius-md: 10px;
            --radius-sm: 4px;
            --shadow-card: 0 8px 24px rgba(31,42,51,0.08);
            --shadow-nav: 0 2px 12px rgba(31,42,51,0.06);
            --transition-base: all .2s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 1rem;
            -webkit-font-smoothing: antialiased;
        }

        img {
            max-width: 100%;
            height: auto;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition-base);
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }

        .container {
            max-width: 1140px;
            padding-left: 16px;
            padding-right: 16px;
        }

        /* ========== Header & Nav ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            -webkit-backdrop-filter: blur(8px);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--border);
            transition: box-shadow .25s ease, background .25s ease;
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-nav);
        }

        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0 10px;
            gap: 16px;
        }

        .brand-logo {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: .02em;
            white-space: nowrap;
        }

        .brand-logo span {
            font-size: .72rem;
            font-weight: 400;
            color: var(--text-muted);
            letter-spacing: .06em;
            margin-top: 2px;
            white-space: nowrap;
        }

        .header-right {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .header-search {
            position: relative;
            width: 220px;
        }

        .header-search input {
            width: 100%;
            height: 36px;
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-sm);
            padding: 0 34px 0 12px;
            font-size: .85rem;
            background: var(--white);
            color: var(--text);
            transition: var(--transition-base);
        }

        .header-search input::placeholder {
            color: var(--text-muted);
        }

        .header-search input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(184, 144, 104, .12);
        }

        .header-search i {
            position: absolute;
            right: 12px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-muted);
            font-size: .85rem;
            pointer-events: none;
        }

        .btn-accent-sm {
            display: inline-flex;
            align-items: center;
            background: var(--accent);
            color: var(--white);
            font-size: .85rem;
            font-weight: 500;
            padding: .45rem 1.2rem;
            border-radius: var(--radius-sm);
            transition: var(--transition-base);
            white-space: nowrap;
            border: none;
            cursor: pointer;
        }

        .btn-accent-sm:hover {
            background: var(--accent-dark);
        }

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

        .navbar-toggler {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 40px;
            height: 40px;
            padding: 6px;
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-sm);
            cursor: pointer;
            background: var(--white);
        }

        .navbar-toggler span {
            display: block;
            width: 100%;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: var(--transition-base);
        }

        .navbar-toggler.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .navbar-toggler.active span:nth-child(2) {
            opacity: 0;
        }
        .navbar-toggler.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .main-nav {
            border-top: 1px solid var(--border);
        }

        .nav-list {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            padding: 0;
            margin: 0;
            overflow-x: auto;
            scrollbar-width: none;
        }

        .nav-list::-webkit-scrollbar {
            display: none;
        }

        .nav-list li {
            position: relative;
        }

        .nav-list a {
            display: block;
            padding: 12px 18px;
            font-size: .92rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-bottom: 2px solid transparent;
            transition: var(--transition-base);
            white-space: nowrap;
        }

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

        .nav-list a.active {
            color: var(--accent-dark);
            border-bottom-color: var(--accent);
            font-weight: 600;
        }

        /* ========== Reveal Animation ========== */
        .reveal {
            opacity: 0;
            transform: translateY(12px);
            transition: opacity .5s ease, transform .5s ease;
        }

        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }

        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                transition: none !important;
                animation: none !important;
            }
            .reveal {
                opacity: 1;
                transform: none;
            }
            html {
                scroll-behavior: auto;
            }
        }

        /* ========== Section Common ========== */
        .section-block {
            padding: 80px 0;
        }

        .section-head {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-eyebrow {
            display: inline-block;
            font-size: .78rem;
            letter-spacing: .12em;
            text-transform: uppercase;
            color: var(--accent);
            font-weight: 600;
            margin-bottom: 10px;
            position: relative;
            padding: 0 20px;
        }

        .section-eyebrow::before,
        .section-eyebrow::after {
            content: '';
            position: absolute;
            top: 50%;
            width: 28px;
            height: 1px;
            background: var(--border-dark);
        }

        .section-eyebrow::before {
            left: -6px;
        }
        .section-eyebrow::after {
            right: -6px;
        }

        .section-title {
            font-size: clamp(1.6rem, 2.5vw, 2rem);
            font-weight: 700;
            color: var(--primary);
            line-height: 1.3;
            margin-bottom: 12px;
            letter-spacing: .01em;
        }

        .section-desc {
            max-width: 620px;
            margin: 0 auto;
            color: var(--text-secondary);
            font-size: .95rem;
            line-height: 1.8;
        }

        /* ========== Category Hero ========== */
        .cat-hero {
            position: relative;
            min-height: 40vh;
            padding: 72px 0 60px;
            background-color: var(--primary);
            background-image: linear-gradient(120deg, rgba(31, 42, 51, .88) 20%, rgba(31, 42, 51, .68)), url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center 30%;
            color: var(--white);
            display: flex;
            align-items: center;
        }

        .cat-hero .container {
            position: relative;
            z-index: 2;
        }

        .cat-hero-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: .82rem;
            color: rgba(255, 255, 255, .7);
            margin-bottom: 20px;
        }

        .cat-hero-breadcrumb a {
            color: rgba(255, 255, 255, .7);
            transition: var(--transition-base);
        }

        .cat-hero-breadcrumb a:hover {
            color: var(--accent);
        }

        .cat-hero-breadcrumb i {
            font-size: .7rem;
        }

        .cat-hero h1 {
            font-size: clamp(2rem, 4.2vw, 3rem);
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: 16px;
            max-width: 640px;
            letter-spacing: .02em;
        }

        .cat-hero-desc {
            font-size: 1rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, .88);
            max-width: 620px;
            margin-bottom: 24px;
        }

        .cat-hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 28px;
        }

        .cat-hero-tags span {
            font-size: .8rem;
            padding: 4px 14px;
            border: 1px solid rgba(255, 255, 255, .35);
            border-radius: 50px;
            color: rgba(255, 255, 255, .9);
            letter-spacing: .04em;
        }

        .cat-hero-ctas {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }

        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            background: var(--accent);
            color: var(--white);
            font-weight: 500;
            padding: .75rem 1.9rem;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: var(--transition-base);
            border: none;
            font-size: .95rem;
        }

        .btn-primary-custom:hover {
            background: var(--accent-dark);
        }

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

        .btn-outline-custom {
            display: inline-flex;
            align-items: center;
            background: transparent;
            color: rgba(255, 255, 255, .92);
            border: 1px solid rgba(255, 255, 255, .5);
            font-weight: 500;
            padding: .75rem 1.9rem;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: var(--transition-base);
            font-size: .95rem;
        }

        .btn-outline-custom:hover {
            border-color: var(--accent);
            color: var(--accent);
        }

        /* ========== Category Guide Nav Blocks ========== */
        .guide-nav-section {
            padding: 60px 0 30px;
            background: var(--bg);
        }

        .guide-nav-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .guide-nav-card {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 26px 22px;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            background: var(--white);
            transition: var(--transition-base);
            cursor: pointer;
        }

        .guide-nav-card:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-card);
            transform: translateY(-2px);
        }

        .guide-nav-card .guide-nav-icon {
            width: 42px;
            height: 42px;
            border-radius: 8px;
            background: rgba(184, 144, 104, .1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 1.2rem;
            flex-shrink: 0;
        }

        .guide-nav-card .guide-nav-label {
            flex: 1;
            margin-left: 14px;
            font-weight: 600;
            font-size: .95rem;
            color: var(--text);
        }

        .guide-nav-card .guide-nav-arrow {
            color: var(--text-muted);
            font-size: .9rem;
            flex-shrink: 0;
            transition: var(--transition-base);
        }

        .guide-nav-card:hover .guide-nav-arrow {
            color: var(--accent);
            transform: translateX(4px);
        }

        /* ========== Feature Spotlight ========== */
        .feature-spotlight {
            padding: 80px 0;
            background: var(--white);
        }

        .feature-grid {
            display: grid;
            grid-template-columns: 1.05fr 1fr;
            gap: 56px;
            align-items: center;
        }

        .feature-image {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            min-height: 320px;
            background: var(--border);
        }

        .feature-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
            transition: transform .4s ease;
        }

        .feature-image:hover img {
            transform: scale(1.02);
        }

        .feature-image .feature-badge {
            position: absolute;
            top: 18px;
            left: 18px;
            background: rgba(31, 42, 51, .82);
            color: var(--white);
            font-size: .8rem;
            padding: 5px 14px;
            border-radius: 40px;
            letter-spacing: .05em;
            -webkit-backdrop-filter: blur(4px);
            backdrop-filter: blur(4px);
        }

        .feature-list-wrap {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .feature-list-wrap .section-eyebrow {
            padding: 0;
            text-align: left;
            margin-bottom: 8px;
        }

        .feature-list-wrap .section-eyebrow::before,
        .feature-list-wrap .section-eyebrow::after {
            display: none;
        }

        .feature-list-wrap h2 {
            font-size: clamp(1.4rem, 2.2vw, 1.8rem);
            font-weight: 700;
            color: var(--primary);
            line-height: 1.35;
            margin-bottom: 20px;
        }

        .feature-items {
            display: flex;
            flex-direction: column;
        }

        .feature-item {
            display: flex;
            gap: 16px;
            padding: 18px 0;
            border-bottom: 1px solid var(--border);
        }

        .feature-item:last-child {
            border-bottom: none;
        }

        .feature-item-index {
            font-size: .8rem;
            font-weight: 700;
            color: var(--accent);
            letter-spacing: .08em;
            line-height: 1.6;
            flex-shrink: 0;
            width: 26px;
        }

        .feature-item-body h3 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 6px;
        }

        .feature-item-body p {
            font-size: .9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        /* ========== Activity Types ========== */
        .types-section {
            padding: 80px 0;
            background: var(--bg);
        }

        .types-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .type-card {
            background: var(--white);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border);
            transition: var(--transition-base);
        }

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

        .type-card-img {
            height: 148px;
            overflow: hidden;
            position: relative;
        }

        .type-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .35s ease;
        }

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

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

        .type-card-body .type-icon {
            width: 34px;
            height: 34px;
            border-radius: 8px;
            background: rgba(184, 144, 104, .1);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: .95rem;
            margin-bottom: 12px;
        }

        .type-card-body h3 {
            font-size: 1.02rem;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 8px;
        }

        .type-card-body p {
            font-size: .86rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        .type-card-body .type-link {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: .84rem;
            font-weight: 500;
            color: var(--accent-dark);
            margin-top: 12px;
            transition: var(--transition-base);
        }

        .type-card-body .type-link i {
            font-size: .78rem;
            transition: transform .2s ease;
        }

        .type-card-body .type-link:hover i {
            transform: translateX(3px);
        }

        /* ========== Flow / Timeline ========== */
        .flow-section {
            padding: 80px 0;
            background: var(--white);
        }

        .flow-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            counter-reset: flow-step;
        }

        .flow-step {
            position: relative;
            padding: 28px 20px 24px;
            background: var(--bg);
            border-radius: var(--radius-md);
            text-align: center;
            transition: var(--transition-base);
        }

        .flow-step:hover {
            box-shadow: var(--shadow-card);
        }

        .flow-step-num {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--accent);
            color: var(--white);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: .9rem;
            margin: 0 auto 16px;
            box-shadow: 0 0 0 5px rgba(184, 144, 104, .12);
        }

        .flow-step h3 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 10px;
        }

        .flow-step p {
            font-size: .84rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin: 0;
        }

        /* ========== Stats & Scenarios ========== */
        .stats-section {
            padding: 72px 0;
            background: var(--primary);
            color: var(--white);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            text-align: center;
        }

        .stats-item .stats-number {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.3;
            font-variant-numeric: tabular-nums;
        }

        .stats-item .stats-label {
            font-size: .88rem;
            color: rgba(255, 255, 255, .72);
            margin-top: 6px;
            letter-spacing: .05em;
        }

        .stats-section .stats-line {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 20px;
            justify-content: center;
            margin-top: 40px;
            padding-top: 36px;
            border-top: 1px solid rgba(255, 255, 255, .12);
            font-size: .88rem;
            color: rgba(255, 255, 255, .8);
        }

        .stats-section .stats-line span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .stats-section .stats-line i {
            color: var(--accent);
            font-size: .85rem;
        }

        /* ========== FAQ ========== */
        .faq-section {
            padding: 80px 0;
            background: var(--bg);
        }

        .faq-container {
            max-width: 760px;
            margin: 0 auto;
        }

        .accordion-item {
            background: var(--white);
            border: 1px solid var(--border);
            border-bottom: none;
            border-radius: 0;
        }

        .accordion-item:first-child {
            border-top-left-radius: var(--radius-md);
            border-top-right-radius: var(--radius-md);
        }

        .accordion-item:last-child {
            border-bottom: 1px solid var(--border);
            border-bottom-left-radius: var(--radius-md);
            border-bottom-right-radius: var(--radius-md);
        }
        .accordion-item:has(.accordion-collapse.show) {
            border-left: 2px solid var(--accent);
        }

        .accordion-button {
            font-weight: 600;
            font-size: .95rem;
            color: var(--text);
            background: var(--white);
            padding: 18px 20px;
            border: none;
            box-shadow: none;
            line-height: 1.6;
        }

        .accordion-button:not(.collapsed) {
            background: var(--white);
            color: var(--accent-dark);
            box-shadow: none;
        }

        .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(184, 144, 104, .15);
            border-radius: 0;
        }

        .accordion-button::after {
            content: '+';
            background: none;
            font-size: 1.3rem;
            font-weight: 400;
            color: var(--text-muted);
            transition: transform .25s ease;
            width: auto;
            height: auto;
            line-height: 1;
        }

        .accordion-button:not(.collapsed)::after {
            transform: rotate(45deg);
            color: var(--accent);
        }

        .accordion-body {
            padding: 4px 20px 20px;
            color: var(--text-secondary);
            font-size: .9rem;
            line-height: 1.75;
        }

        /* ========== CTA Apply ========== */
        .cta-section {
            padding: 80px 0;
            background: var(--white);
        }

        .cta-wrap {
            background: var(--bg);
            border-radius: var(--radius-lg);
            padding: 48px 48px 40px;
            position: relative;
            overflow: hidden;
        }

        .cta-wrap::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 260px;
            height: 260px;
            background: url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
            opacity: .08;
            border-radius: 0 0 0 260px;
        }

        .cta-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 44px;
            align-items: start;
            position: relative;
            z-index: 1;
        }

        .cta-info h2 {
            font-size: clamp(1.5rem, 2.4vw, 1.9rem);
            font-weight: 700;
            color: var(--primary);
            line-height: 1.35;
            margin-bottom: 14px;
        }

        .cta-info p {
            color: var(--text-secondary);
            font-size: .93rem;
            line-height: 1.75;
            margin-bottom: 22px;
        }

        .cta-trust {
            display: flex;
            flex-wrap: wrap;
            gap: 10px 18px;
            margin-top: 18px;
        }

        .cta-trust span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: .84rem;
            color: var(--text-secondary);
        }

        .cta-trust i {
            color: var(--success);
            font-size: .9rem;
        }

        .cta-form {
            background: var(--white);
            border-radius: var(--radius-md);
            padding: 28px 26px;
            border: 1px solid var(--border);
        }

        .form-group {
            margin-bottom: 18px;
        }

        .form-group label {
            display: block;
            font-size: .85rem;
            font-weight: 500;
            color: var(--text);
            margin-bottom: 6px;
            letter-spacing: .02em;
        }

        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            height: 42px;
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-sm);
            padding: 0 12px;
            font-size: .9rem;
            background: var(--white);
            color: var(--text);
            transition: var(--transition-base);
        }

        .form-group textarea {
            height: 90px;
            padding-top: 10px;
            resize: vertical;
        }

        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(184, 144, 104, .1);
        }

        .form-group select {
            cursor: pointer;
            appearance: auto;
        }

        .form-submit-btn {
            width: 100%;
            background: var(--accent);
            color: var(--white);
            font-weight: 600;
            font-size: .95rem;
            padding: .85rem 0;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            transition: var(--transition-base);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }

        .form-submit-btn:hover {
            background: var(--accent-dark);
        }

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

        .form-note {
            text-align: center;
            font-size: .78rem;
            color: var(--text-muted);
            margin-top: 10px;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--primary);
            color: #c7ccd1;
            padding: 56px 0 0;
            font-size: .88rem;
        }

        .site-footer .footer-brand {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 12px;
            letter-spacing: .02em;
        }

        .site-footer .footer-about {
            color: #b7bdc3;
            line-height: 1.75;
            font-size: .86rem;
            margin: 0;
            max-width: 330px;
        }

        .site-footer .footer-title {
            font-size: .95rem;
            font-weight: 600;
            color: var(--white);
            margin-bottom: 16px;
            letter-spacing: .04em;
        }

        .site-footer .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .site-footer .footer-links a {
            color: #b7bdc3;
            font-size: .86rem;
            transition: var(--transition-base);
        }

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

        .site-footer .footer-contact {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
            font-size: .86rem;
            color: #b7bdc3;
        }

        .site-footer .footer-contact li {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .site-footer .footer-contact i {
            color: var(--accent);
            font-size: .9rem;
        }

        .site-footer .footer-bottom {
            margin-top: 44px;
            border-top: 1px solid rgba(255, 255, 255, .1);
            padding: 18px 0;
            text-align: center;
            font-size: .75rem;
            color: #8e989e;
        }

        /* ========== Responsive ========== */
        @media (max-width: 991px) {
            .header-search {
                width: 160px;
            }
            .nav-list a {
                padding: 10px 14px;
                font-size: .88rem;
            }
            .guide-nav-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .types-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .flow-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 28px;
            }
            .cta-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .feature-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }
        }

        @media (max-width: 767px) {
            body {
                font-size: .95rem;
            }

            .header-top {
                padding: 12px 0 10px;
            }

            .brand-logo {
                font-size: 1.2rem;
            }

            .brand-logo span {
                font-size: .65rem;
            }

            .header-search {
                display: none;
            }

            .header-right {
                gap: 8px;
            }

            .navbar-toggler {
                display: flex;
            }

            .main-nav {
                display: none;
                border-top: 1px solid var(--border);
                background: var(--white);
            }

            .main-nav.open {
                display: block;
            }

            .nav-list {
                flex-direction: column;
                align-items: stretch;
                padding: 8px 0 16px;
            }

            .nav-list a {
                padding: 12px 16px;
                border-left: 3px solid transparent;
                border-bottom: none;
            }

            .nav-list a.active {
                border-left-color: var(--accent);
                background: rgba(184, 144, 104, .06);
                color: var(--accent-dark);
            }

            .section-block {
                padding: 48px 0;
            }

            .section-head {
                margin-bottom: 32px;
            }

            .cat-hero {
                min-height: auto;
                padding: 52px 0 44px;
            }

            .cat-hero h1 {
                font-size: 1.8rem;
            }

            .cat-hero-desc {
                font-size: .93rem;
            }

            .cat-hero-ctas .btn-primary-custom,
            .cat-hero-ctas .btn-outline-custom {
                width: 100%;
                justify-content: center;
            }

            .guide-nav-section {
                padding: 40px 0 20px;
            }

            .guide-nav-grid {
                gap: 14px;
            }

            .guide-nav-card {
                padding: 18px 14px;
            }

            .guide-nav-card .guide-nav-icon {
                width: 34px;
                height: 34px;
                font-size: 1rem;
            }

            .guide-nav-card .guide-nav-label {
                font-size: .85rem;
                margin-left: 10px;
            }

            .feature-image {
                min-height: 220px;
            }

            .types-grid {
                gap: 14px;
            }

            .type-card-img {
                height: 110px;
            }

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

            .type-card-body h3 {
                font-size: .92rem;
            }

            .type-card-body p {
                font-size: .8rem;
            }

            .flow-grid {
                gap: 14px;
            }

            .flow-step {
                padding: 22px 14px 20px;
            }

            .stats-section {
                padding: 48px 0;
            }

            .stats-item .stats-number {
                font-size: 1.6rem;
            }

            .stats-section .stats-line {
                margin-top: 28px;
                padding-top: 24px;
                font-size: .8rem;
            }

            .cta-section {
                padding: 48px 0;
            }

            .cta-wrap {
                padding: 32px 20px 28px;
            }

            .cta-form {
                padding: 20px 16px;
            }

            .faq-section {
                padding: 48px 0;
            }

            .accordion-button {
                padding: 14px 14px;
                font-size: .9rem;
            }

            .accordion-body {
                padding: 0 14px 16px;
                font-size: .86rem;
            }

            .site-footer {
                padding: 40px 0 0;
            }
        }

        @media (max-width: 520px) {
            .guide-nav-grid {
                grid-template-columns: 1fr;
            }
            .types-grid {
                grid-template-columns: 1fr;
            }
            .flow-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

/* roulang page: article */
:root {
            --color-primary: #1f2a33;
            --color-accent: #b89068;
            --color-accent-dark: #a67b56;
            --color-bg: #f6f5f2;
            --color-surface: #ffffff;
            --color-border: #e8e4dd;
            --color-border-dark: #d9d4ca;
            --color-text: #29343f;
            --color-text-secondary: #68757e;
            --color-text-muted: #9aa5ab;
            --radius-lg: 12px;
            --radius-md: 10px;
            --radius-sm: 4px;
            --shadow-card: 0 8px 24px rgba(31, 42, 51, 0.08);
            --shadow-header: 0 2px 12px rgba(31, 42, 51, 0.06);
            --font-main: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --transition-base: all 0.25s ease;
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-main);
            background: var(--color-bg);
            color: var(--color-text);
            line-height: 1.7;
            font-size: 1rem;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: var(--transition-base);
        }
        a:hover {
            color: var(--color-accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--color-border);
            transition: box-shadow 0.25s ease;
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-header);
        }
        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0 10px;
            gap: 24px;
        }
        .brand-logo {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.02em;
        }
        .brand-logo span {
            font-size: 0.75rem;
            font-weight: 400;
            color: var(--color-text-muted);
            letter-spacing: 0.08em;
        }
        .brand-logo:hover {
            color: var(--color-primary);
        }
        .header-right {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .header-search {
            position: relative;
            width: 220px;
        }
        .header-search input {
            width: 100%;
            height: 40px;
            border: 1px solid var(--color-border-dark);
            border-radius: var(--radius-sm);
            padding: 0 40px 0 16px;
            background: var(--color-surface);
            font-size: 0.875rem;
            color: var(--color-text);
            transition: var(--transition-base);
        }
        .header-search input:focus {
            outline: none;
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(184, 144, 104, 0.15);
        }
        .header-search i {
            position: absolute;
            right: 14px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--color-text-muted);
            font-size: 0.875rem;
            pointer-events: none;
        }
        .btn-accent-sm {
            display: inline-flex;
            align-items: center;
            padding: 0.5rem 1.25rem;
            background: var(--color-accent);
            color: #fff;
            border-radius: var(--radius-sm);
            font-size: 0.875rem;
            font-weight: 600;
            border: none;
            transition: var(--transition-base);
            white-space: nowrap;
        }
        .btn-accent-sm:hover {
            background: var(--color-accent-dark);
            color: #fff;
        }
        .navbar-toggler {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: transparent;
            border: none;
            padding: 8px;
            cursor: pointer;
        }
        .navbar-toggler span {
            width: 22px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: var(--transition-base);
        }
        .main-nav {
            border-top: 1px solid var(--color-border);
            padding: 6px 0;
        }
        .nav-list {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-list li a {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            font-size: 0.9375rem;
            color: var(--color-text);
            font-weight: 500;
            border-radius: var(--radius-sm);
            position: relative;
            transition: var(--transition-base);
        }
        .nav-list li a:hover {
            color: var(--color-accent);
        }
        .nav-list li a.active {
            color: var(--color-primary);
            font-weight: 600;
        }
        .nav-list li a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 18px;
            right: 18px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 2px;
        }

        .article-main {
            padding: 24px 0 0;
            min-height: 60vh;
        }
        .breadcrumb-bar {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.875rem;
            color: var(--color-text-muted);
            padding: 24px 0 8px;
            flex-wrap: wrap;
        }
        .breadcrumb-bar a {
            color: var(--color-text-secondary);
        }
        .breadcrumb-bar a:hover {
            color: var(--color-accent);
        }
        .breadcrumb-bar i {
            font-size: 0.625rem;
        }
        .breadcrumb-item {
            color: var(--color-text-secondary);
        }
        .breadcrumb-current {
            color: var(--color-text);
            font-weight: 500;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            max-width: 360px;
        }

        .article-detail-wrapper {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 48px 56px;
            margin-top: 16px;
            box-shadow: 0 2px 12px rgba(31, 42, 51, 0.03);
        }
        .article-detail-header {
            text-align: center;
            margin-bottom: 36px;
            padding-bottom: 32px;
            border-bottom: 1px solid var(--color-border);
        }
        .article-detail-title {
            font-size: clamp(1.8rem, 3.5vw, 2.6rem);
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-primary);
            margin-bottom: 18px;
        }
        .article-meta {
            display: flex;
            align-items: center;
            justify-content: center;
            flex-wrap: wrap;
            gap: 24px;
            color: var(--color-text-muted);
            font-size: 0.875rem;
        }
        .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .meta-item i {
            color: var(--color-accent);
        }

        .article-content {
            max-width: 720px;
            margin: 0 auto;
            font-size: 1.0625rem;
            line-height: 1.9;
            color: var(--color-text);
            padding-bottom: 40px;
        }
        .article-content h2 {
            font-size: 1.45rem;
            font-weight: 600;
            margin: 2.4em 0 1em;
            padding-left: 14px;
            border-left: 3px solid var(--color-accent);
            line-height: 1.4;
        }
        .article-content h3 {
            font-size: 1.2rem;
            font-weight: 600;
            margin: 2em 0 0.8em;
            line-height: 1.5;
        }
        .article-content p {
            margin-bottom: 1.5em;
            text-align: justify;
        }
        .article-content img {
            max-width: 100%;
            border-radius: 8px;
            margin: 1.8em auto;
            display: block;
        }
        .article-content figure {
            margin: 1.8em 0;
        }
        .article-content figcaption {
            text-align: center;
            color: var(--color-text-muted);
            font-size: 0.8125rem;
            margin-top: 8px;
        }
        .article-content blockquote {
            background: var(--color-bg);
            border-left: 3px solid var(--color-accent);
            padding: 1.2em 1.5em;
            margin: 1.5em 0;
            border-radius: 0 8px 8px 0;
            color: var(--color-text-secondary);
            font-style: normal;
        }
        .article-content ul,
        .article-content ol {
            margin-bottom: 1.5em;
            padding-left: 1.5em;
        }
        .article-content li {
            margin-bottom: 0.5em;
        }
        .article-content a {
            color: var(--color-accent-dark);
            text-decoration: underline;
        }
        .article-content a:hover {
            color: var(--color-primary);
        }
        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5em 0;
            font-size: 0.9375rem;
        }
        .article-content table th,
        .article-content table td {
            border: 1px solid var(--color-border);
            padding: 10px 14px;
            text-align: left;
        }
        .article-content table th {
            background: var(--color-bg);
            font-weight: 600;
        }

        .article-not-found {
            text-align: center;
            padding: 60px 20px;
            max-width: 520px;
            margin: 0 auto;
            min-height: 320px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
        }
        .article-not-found h2 {
            font-size: 1.5rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 12px;
            border: none;
            padding: 0;
        }
        .article-not-found p {
            color: var(--color-text-secondary);
            margin-bottom: 24px;
        }

        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            padding: 24px 0 8px;
            border-top: 1px solid var(--color-border);
            max-width: 720px;
            margin: 0 auto;
        }
        .article-tag {
            display: inline-flex;
            align-items: center;
            padding: 5px 14px;
            background: var(--color-bg);
            border-radius: 4px;
            font-size: 0.8125rem;
            color: var(--color-text-secondary);
            transition: var(--transition-base);
        }
        .article-tag:hover {
            background: var(--color-primary);
            color: #fff;
        }

        .article-share {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 18px;
            padding: 16px 0 28px;
            border-bottom: 1px solid var(--color-border);
            max-width: 720px;
            margin: 0 auto;
        }
        .share-label {
            font-size: 0.875rem;
            color: var(--color-text-muted);
        }
        .share-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.875rem;
            color: var(--color-text-secondary);
            padding: 6px 12px;
            border-radius: 4px;
            transition: var(--transition-base);
        }
        .share-item:hover {
            color: var(--color-accent);
            background: var(--color-bg);
        }
        .share-item i {
            font-size: 1rem;
        }

        .article-pagination {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 720px;
            margin: 24px auto 0;
            padding: 16px 0 0;
        }
        .article-page-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9375rem;
            color: var(--color-text-secondary);
            padding: 8px 4px;
            transition: var(--transition-base);
        }
        .article-page-link:hover {
            color: var(--color-accent);
        }
        .article-page-link.next {
            margin-left: auto;
        }

        .related-posts {
            padding: 72px 0 24px;
        }
        .section-header {
            margin-bottom: 36px;
        }
        .section-title {
            font-size: clamp(1.25rem, 2vw, 1.75rem);
            font-weight: 600;
            color: var(--color-primary);
            position: relative;
            padding-left: 14px;
        }
        .section-title::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 22px;
            background: var(--color-accent);
            border-radius: 2px;
        }
        .related-card {
            display: block;
            background: var(--color-surface);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: 0 2px 12px rgba(31, 42, 51, 0.04);
            transition: var(--transition-base);
            height: 100%;
        }
        .related-card:hover {
            box-shadow: var(--shadow-card);
            transform: translateY(-2px);
        }
        .related-card-img {
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: var(--color-bg);
        }
        .related-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .related-card:hover .related-card-img img {
            transform: scale(1.03);
        }
        .related-card-body {
            padding: 20px 20px 16px;
        }
        .related-card-title {
            font-size: 0.9375rem;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 8px;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card-date {
            font-size: 0.8125rem;
            color: var(--color-text-muted);
        }

        .article-cta {
            padding: 72px 0 80px;
        }
        .cta-card {
            position: relative;
            background-size: cover;
            background-position: center;
            border-radius: var(--radius-lg);
            padding: 56px 64px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            flex-wrap: wrap;
            overflow: hidden;
        }
        .cta-card-overlay {
            position: absolute;
            inset: 0;
            background: rgba(31, 42, 51, 0.86);
        }
        .cta-card-content,
        .cta-card-action {
            position: relative;
            z-index: 1;
        }
        .cta-card-content h2 {
            color: #fff;
            font-size: 1.375rem;
            font-weight: 600;
            margin-bottom: 8px;
        }
        .cta-card-content p {
            color: rgba(255, 255, 255, 0.72);
            font-size: 0.9375rem;
        }
        .cta-card-action {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn-accent-custom {
            display: inline-flex;
            align-items: center;
            padding: 0.75rem 1.75rem;
            background: var(--color-accent);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9375rem;
            transition: var(--transition-base);
            cursor: pointer;
        }
        .btn-accent-custom:hover {
            background: var(--color-accent-dark);
            color: #fff;
            transform: translateY(-1px);
        }
        .btn-accent-custom:active {
            transform: translateY(1px);
        }
        .btn-outline-custom {
            display: inline-flex;
            align-items: center;
            padding: 0.75rem 1.75rem;
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.4);
            border-radius: var(--radius-sm);
            font-weight: 500;
            font-size: 0.9375rem;
            transition: var(--transition-base);
            cursor: pointer;
        }
        .btn-outline-custom:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
        }

        .site-footer {
            background: var(--color-primary);
            color: #c7ccd1;
            padding: 64px 0 0;
        }
        .footer-brand {
            font-size: 1.375rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .footer-about {
            font-size: 0.875rem;
            line-height: 1.8;
            color: #c7ccd1;
        }
        .footer-title {
            color: #fff;
            font-size: 0.875rem;
            font-weight: 600;
            margin-bottom: 18px;
        }
        .footer-links,
        .footer-contact {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-links li,
        .footer-contact li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: #c7ccd1;
            font-size: 0.875rem;
            transition: var(--transition-base);
        }
        .footer-links a:hover {
            color: var(--color-accent);
        }
        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.875rem;
            color: #c7ccd1;
        }
        .footer-contact i {
            color: var(--color-accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 20px 0;
            margin-top: 48px;
            text-align: center;
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.6);
        }

        @media (max-width: 991px) {
            .header-search {
                width: 160px;
            }
            .article-detail-wrapper {
                padding: 32px 28px;
            }
            .cta-card {
                padding: 40px 32px;
            }
        }

        @media (max-width: 767px) {
            .header-top {
                flex-wrap: wrap;
            }
            .header-search {
                display: none;
            }
            .navbar-toggler {
                display: flex;
            }
            .main-nav {
                display: none;
                padding: 12px 0;
                border-top: none;
            }
            .main-nav.open {
                display: block;
            }
            .nav-list {
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
            }
            .nav-list li a {
                padding: 12px 16px;
                border-radius: 8px;
                justify-content: center;
            }
            .nav-list li a.active::after {
                display: none;
            }
            .article-detail-wrapper {
                padding: 28px 20px;
                border-radius: 10px;
            }
            .article-detail-title {
                font-size: 1.6rem;
            }
            .article-meta {
                gap: 12px;
                font-size: 0.8125rem;
            }
            .article-content {
                font-size: 1rem;
                line-height: 1.85;
            }
            .article-share {
                flex-wrap: wrap;
                gap: 10px;
            }
            .article-pagination {
                flex-direction: column;
                gap: 12px;
                align-items: flex-start;
            }
            .article-page-link.next {
                margin-left: 0;
            }
            .cta-card {
                padding: 32px 24px;
                flex-direction: column;
                text-align: center;
            }
            .cta-card-action {
                justify-content: center;
            }
            .site-footer {
                padding-top: 48px;
            }
            .breadcrumb-current {
                max-width: 200px;
            }
            .related-posts {
                padding-top: 48px;
            }
            .article-cta {
                padding: 48px 0 56px;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            * {
                transition: none !important;
                animation: none !important;
            }
            html {
                scroll-behavior: auto;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #1f2a33;
            --accent: #b89068;
            --accent-dark: #a67b56;
            --bg: #f6f5f2;
            --white: #ffffff;
            --divider: #e8e4dd;
            --border: #d9d4ca;
            --text: #29343f;
            --text-secondary: #68757e;
            --text-muted: #9aa5ab;
            --success: #3e7c5a;
            --warning: #a15c3c;
            --disabled: #c8ccd0;
            --radius-lg: 12px;
            --radius-md: 10px;
            --radius-sm: 4px;
            --shadow-card: 0 8px 24px rgba(31, 42, 51, 0.08);
            --shadow-nav: 0 2px 12px rgba(31, 42, 51, 0.06);
            --transition: 0.2s ease;
            --font-main: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-main);
            background: var(--bg);
            color: var(--text);
            line-height: 1.8;
            font-size: 0.95rem;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.2s ease;
        }

        img {
            max-width: 100%;
            display: block;
            border-radius: 8px;
        }

        button {
            border: none;
            background: none;
            cursor: pointer;
            font-family: inherit;
        }

        input,
        select,
        textarea {
            font-family: inherit;
            outline: none;
        }

        .container {
            max-width: 1140px;
            padding-left: 20px;
            padding-right: 20px;
        }

        .section-pad {
            padding: 80px 0;
        }

        .section-head {
            margin-bottom: 40px;
        }

        .section-overline {
            display: inline-block;
            font-size: 0.75rem;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--accent);
            font-weight: 600;
            margin-bottom: 8px;
        }

        .section-head h2 {
            font-size: clamp(1.5rem, 2.5vw, 2rem);
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .section-head p {
            color: var(--text-secondary);
            max-width: 700px;
            font-size: 0.95rem;
        }

        /* ===== Buttons ===== */
        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            padding: 0.75rem 1.75rem;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 500;
            border: 1px solid var(--primary);
            transition: background 0.2s ease, border-color 0.2s ease, transform 0.1s ease;
        }
        .btn-primary-custom:hover {
            background: var(--accent);
            border-color: var(--accent);
            color: #fff;
        }
        .btn-primary-custom:active {
            transform: translateY(1px);
        }

        .btn-accent-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: #fff;
            padding: 0.75rem 1.75rem;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 500;
            border: 1px solid var(--accent);
            transition: background 0.2s ease, border-color 0.2s ease, transform 0.1s ease;
        }
        .btn-accent-custom:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            color: #fff;
        }
        .btn-accent-custom:active {
            transform: translateY(1px);
        }

        .btn-outline-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--text);
            padding: 0.75rem 1.75rem;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 500;
            border: 1px solid var(--border);
            transition: all 0.2s ease;
        }
        .btn-outline-custom:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--divider);
            transition: box-shadow 0.25s ease;
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-nav);
        }

        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
        }

        .brand-logo {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--primary);
            display: flex;
            align-items: baseline;
            gap: 6px;
            line-height: 1.2;
            letter-spacing: -0.01em;
        }
        .brand-logo span {
            font-size: 0.72rem;
            color: var(--text-muted);
            font-weight: 400;
        }

        .header-right {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .header-search {
            position: relative;
            width: 200px;
        }
        .header-search input {
            width: 100%;
            height: 36px;
            border: 1px solid var(--divider);
            border-radius: 18px;
            padding: 0 12px 0 36px;
            font-size: 0.8rem;
            background: #fff;
            transition: border-color 0.2s, box-shadow 0.2s;
        }
        .header-search input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 2px rgba(184, 144, 104, 0.12);
        }
        .header-search i {
            position: absolute;
            left: 12px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 0.85rem;
            color: var(--text-muted);
            pointer-events: none;
        }

        .btn-accent-sm {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--accent);
            color: #fff;
            font-size: 0.8rem;
            font-weight: 500;
            padding: 0.45rem 1.1rem;
            border-radius: 20px;
            transition: background 0.2s ease, transform 0.1s;
            white-space: nowrap;
        }
        .btn-accent-sm:hover {
            background: var(--accent-dark);
            color: #fff;
        }
        .btn-accent-sm:active {
            transform: translateY(1px);
        }

        .navbar-toggler {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 40px;
            height: 40px;
            align-items: center;
            border: 1px solid var(--divider);
            border-radius: 6px;
            background: #fff;
        }
        .navbar-toggler span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--text);
            border-radius: 1px;
            transition: transform 0.2s, opacity 0.2s;
        }
        .navbar-toggler.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .navbar-toggler.active span:nth-child(2) {
            opacity: 0;
        }
        .navbar-toggler.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .main-nav {
            border-top: 1px solid rgba(232, 228, 221, 0.6);
            padding: 0;
        }
        .nav-list {
            display: flex;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 0;
        }
        .nav-list li {
            margin: 0;
        }
        .nav-list li a {
            display: inline-flex;
            align-items: center;
            padding: 12px 20px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            position: relative;
            transition: color 0.2s;
        }
        .nav-list li a:hover {
            color: var(--primary);
        }
        .nav-list li a.active {
            color: var(--primary);
            font-weight: 600;
        }
        .nav-list li a.active::after {
            content: "";
            position: absolute;
            left: 16px;
            right: 16px;
            bottom: 0;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

        /* ===== Category Hero ===== */
        .category-hero {
            position: relative;
            min-height: 40vh;
            display: flex;
            align-items: center;
            background: var(--primary);
            overflow: hidden;
            padding: 72px 0;
        }
        .category-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
        }
        .category-hero::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(31, 42, 51, 0.95) 60%, rgba(31, 42, 51, 0.75) 100%);
        }
        .category-hero .container {
            position: relative;
            z-index: 2;
        }

        .category-hero-badge {
            display: inline-block;
            background: rgba(184, 144, 104, 0.18);
            color: var(--accent);
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            padding: 4px 14px;
            border-radius: 20px;
            margin-bottom: 20px;
            border: 1px solid rgba(184, 144, 104, 0.25);
        }

        .category-hero h1 {
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            line-height: 1.25;
        }
        .category-hero h1 span {
            color: var(--accent);
        }

        .category-hero-desc {
            color: rgba(255, 255, 255, 0.85);
            font-size: 1rem;
            max-width: 680px;
            margin-bottom: 20px;
            line-height: 1.8;
        }

        .category-hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 28px;
        }
        .category-hero-tags span {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 0.78rem;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            color: rgba(255, 255, 255, 0.9);
        }

        .category-hero-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        /* ===== Category Nav Blocks ===== */
        .cat-nav-section {
            padding: 64px 0 72px;
        }

        .cat-nav-card {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            padding: 26px 28px;
            background: var(--white);
            border: 1px solid var(--divider);
            border-radius: var(--radius-md);
            transition: all 0.25s ease;
            min-height: 110px;
        }
        .cat-nav-card:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-card);
            transform: translateY(-2px);
        }
        .cat-nav-card h3 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text);
            margin: 0;
            line-height: 1.3;
        }
        .cat-nav-card p {
            font-size: 0.78rem;
            color: var(--text-muted);
            margin: 6px 0 0;
            line-height: 1.5;
        }
        .cat-nav-card .cat-nav-icon {
            flex-shrink: 0;
            width: 34px;
            height: 34px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--bg);
            border: 1px solid var(--divider);
            font-size: 0.85rem;
            color: var(--text-secondary);
            transition: all 0.25s ease;
            margin-left: 16px;
        }
        .cat-nav-card:hover .cat-nav-icon {
            background: var(--accent);
            border-color: var(--accent);
            color: #fff;
        }

        /* ===== Feature Section ===== */
        .feature-section {
            padding: 0 0 80px;
        }
        .feature-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: stretch;
        }
        .feature-image {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            min-height: 360px;
            background: #e8e4dd;
        }
        .feature-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform 0.5s ease;
        }
        .feature-image:hover img {
            transform: scale(1.02);
        }
        .feature-image .feature-badge {
            position: absolute;
            left: 20px;
            bottom: 20px;
            background: rgba(31, 42, 51, 0.82);
            color: #fff;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 500;
        }

        .feature-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .feature-item {
            padding: 20px 0;
            border-bottom: 1px solid var(--divider);
            transition: padding-left 0.25s ease;
        }
        .feature-item:first-child {
            padding-top: 0;
            padding-bottom: 20px;
        }
        .feature-item:last-child {
            border-bottom: none;
        }
        .feature-item:hover {
            padding-left: 8px;
        }
        .feature-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 8px;
        }
        .feature-date {
            font-size: 0.75rem;
            color: var(--text-muted);
            font-weight: 400;
            letter-spacing: 0.02em;
        }
        .feature-tag {
            font-size: 0.68rem;
            padding: 2px 10px;
            border-radius: 10px;
            background: rgba(184, 144, 104, 0.12);
            color: var(--accent-dark);
            font-weight: 500;
        }
        .feature-item h3 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 6px;
            line-height: 1.5;
            transition: color 0.2s;
        }
        .feature-item h3:hover {
            color: var(--accent);
        }
        .feature-item p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        /* ===== Stats Section ===== */
        .stats-section {
            background: var(--primary);
            padding: 72px 0;
            position: relative;
            overflow: hidden;
        }
        .stats-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.08;
        }
        .stats-section .container {
            position: relative;
            z-index: 2;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
        }
        .stat-item {
            text-align: center;
            padding: 20px;
        }
        .stat-number {
            font-size: clamp(2rem, 3.5vw, 3rem);
            font-weight: 700;
            color: var(--accent);
            font-variant-numeric: tabular-nums;
            line-height: 1.2;
            margin-bottom: 8px;
        }
        .stat-label {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.85rem;
        }

        /* ===== Timeline ===== */
        .timeline-section {
            padding: 80px 0;
            background: var(--white);
        }
        .timeline-wrap {
            position: relative;
            margin-top: 48px;
            padding-left: 32px;
        }
        .timeline-wrap::before {
            content: "";
            position: absolute;
            left: 8px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--divider);
        }
        .timeline-item {
            position: relative;
            padding: 0 0 36px 24px;
        }
        .timeline-item::before {
            content: "";
            position: absolute;
            left: -30px;
            top: 6px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--accent);
            border: 3px solid #fff;
            box-shadow: 0 0 0 2px var(--accent);
            transition: transform 0.2s;
        }
        .timeline-item:hover::before {
            transform: scale(1.2);
        }
        .timeline-item:last-child {
            padding-bottom: 0;
        }
        .timeline-date {
            font-size: 0.78rem;
            color: var(--accent);
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 4px;
            display: block;
        }
        .timeline-item h3 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .timeline-item p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin: 0;
            max-width: 720px;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 80px 0;
            background: var(--bg);
        }
        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--white);
            border: 1px solid var(--divider);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
            transition: border-color 0.2s;
        }
        .faq-item.active {
            border-color: var(--accent);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            font-weight: 600;
            font-size: 0.92rem;
            color: var(--text);
            cursor: pointer;
            transition: color 0.2s;
            background: transparent;
            width: 100%;
            text-align: left;
            position: relative;
        }
        .faq-question:hover {
            color: var(--accent);
        }
        .faq-icon {
            flex-shrink: 0;
            width: 20px;
            height: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: var(--text-muted);
            transition: transform 0.2s;
            margin-left: 16px;
        }
        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            color: var(--accent);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
            background: #faf9f7;
        }
        .faq-answer-inner {
            padding: 16px 24px 20px 24px;
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.75;
            border-top: 1px solid var(--divider);
        }

        /* ===== CTA Section ===== */
        .cta-section {
            padding: 72px 0;
            background: linear-gradient(135deg, #f6f5f2 60%, rgba(184, 144, 104, 0.08) 100%);
            position: relative;
            overflow: hidden;
        }
        .cta-inner {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 48px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--divider);
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 48px;
        }
        .cta-left {
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .cta-left h2 {
            font-size: clamp(1.5rem, 2.5vw, 2rem);
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 16px;
            line-height: 1.3;
        }
        .cta-left p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
            margin-bottom: 24px;
        }
        .cta-trust {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .cta-trust li {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.82rem;
            color: var(--text-secondary);
        }
        .cta-trust li i {
            color: var(--accent);
            font-size: 0.9rem;
        }

        .cta-form-wrap {
            background: var(--bg);
            border-radius: var(--radius-md);
            padding: 32px;
            border: 1px solid var(--divider);
        }
        .cta-form-wrap .form-label {
            font-size: 0.82rem;
            font-weight: 500;
            color: var(--text);
            margin-bottom: 6px;
        }
        .cta-form-wrap .form-control {
            height: 44px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--divider);
            background: #fff;
            font-size: 0.85rem;
            transition: all 0.2s;
            padding: 0 12px;
        }
        .cta-form-wrap .form-control:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(184, 144, 104, 0.1);
        }
        .cta-form-wrap textarea.form-control {
            height: auto;
            padding: 10px 12px;
            resize: none;
        }
        .cta-form-wrap .form-select {
            height: 44px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--divider);
            background: #fff;
            font-size: 0.85rem;
            padding: 0 12px;
            transition: all 0.2s;
        }
        .cta-form-wrap .form-select:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(184, 144, 104, 0.1);
        }
        .cta-form-wrap .btn-submit {
            width: 100%;
            margin-top: 8px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary);
            color: #c7ccd1;
            padding: 64px 0 24px;
        }
        .site-footer .footer-brand {
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .site-footer .footer-about {
            font-size: 0.82rem;
            line-height: 1.8;
            color: #9aa5ab;
            margin-bottom: 20px;
            max-width: 320px;
        }
        .site-footer .footer-title {
            font-size: 0.9rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
            position: relative;
            padding-bottom: 10px;
        }
        .site-footer .footer-title::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 28px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }
        .site-footer .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer .footer-links li {
            margin-bottom: 8px;
        }
        .site-footer .footer-links a {
            color: #c7ccd1;
            font-size: 0.82rem;
            transition: color 0.2s, padding-left 0.2s;
        }
        .site-footer .footer-links a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .site-footer .footer-contact {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.82rem;
            margin-bottom: 10px;
            color: #c7ccd1;
        }
        .site-footer .footer-contact i {
            color: var(--accent);
            font-size: 0.85rem;
            width: 16px;
            text-align: center;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            margin-top: 48px;
            text-align: center;
        }
        .footer-bottom p {
            font-size: 0.75rem;
            color: #8a949b;
            margin: 0;
        }

        /* ===== Reveal Animation ===== */
        .reveal {
            opacity: 0;
            transform: translateY(12px);
            transition: opacity 0.5s ease, transform 0.5s ease;
            transition-delay: var(--delay, 0s);
        }
        .reveal.revealed {
            opacity: 1;
            transform: translateY(0);
        }

        @media (prefers-reduced-motion: reduce) {
            * {
                animation-duration: 0.01ms !important;
                transition-duration: 0.01ms !important;
            }
            .reveal {
                transition: opacity 0.3s ease;
            }
        }

        /* ===== Responsive ===== */
        @media (max-width: 991.98px) {
            .header-search {
                width: 150px;
            }
            .feature-wrap {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .cta-inner {
                grid-template-columns: 1fr;
                padding: 32px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
        }

        @media (max-width: 767.98px) {
            .section-pad {
                padding: 56px 0;
            }

            .navbar-toggler {
                display: flex;
            }

            .main-nav {
                display: none;
                padding: 16px 0;
                border-top: 1px solid var(--divider);
            }
            .main-nav.open {
                display: block;
            }
            .nav-list {
                flex-direction: column;
                gap: 0;
            }
            .nav-list li a {
                padding: 12px 0;
                display: block;
                border-bottom: 1px solid rgba(232, 228, 221, 0.4);
            }
            .nav-list li a.active::after {
                left: 0;
                right: auto;
                width: 3px;
                height: 100%;
                top: 0;
                border-radius: 0;
            }

            .header-search {
                display: none;
            }
            .header-right {
                gap: 8px;
            }
            .btn-accent-sm {
                font-size: 0.72rem;
                padding: 0.4rem 0.9rem;
            }
            .brand-logo {
                font-size: 1.15rem;
            }
            .brand-logo span {
                display: none;
            }

            .category-hero {
                min-height: 50vh;
                padding: 48px 0;
            }
            .category-hero h1 {
                font-size: clamp(1.6rem, 6vw, 2.2rem);
            }

            .cat-nav-section {
                padding: 48px 0 56px;
            }

            .timeline-wrap {
                padding-left: 24px;
            }

            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }

            .cta-inner {
                padding: 24px;
            }
            .cta-form-wrap {
                padding: 24px;
            }

            .site-footer {
                padding: 48px 0 20px;
            }
            .footer-bottom {
                margin-top: 32px;
            }
        }

        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .cta-trust {
                grid-template-columns: 1fr;
            }
        }

/* roulang page: category3 */
:root {
  --primary: #1f2a33;
  --primary-light: #2d3c47;
  --accent: #b89068;
  --accent-dark: #a67b56;
  --bg: #f6f5f2;
  --white: #ffffff;
  --text: #29343f;
  --text-secondary: #68757e;
  --text-muted: #9aa5ab;
  --border: #e8e4dd;
  --border-dark: #d9d4ca;
  --success: #3e7c5a;
  --disabled: #c8ccd0;
  --radius-lg: 12px;
  --radius-md: 10px;
  --radius-sm: 6px;
  --radius-xs: 4px;
  --shadow-card: 0 8px 24px rgba(31,42,51,0.08);
  --shadow-header: 0 2px 12px rgba(31,42,51,0.06);
  --font-main: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-main);
  color: var(--text);
  background: var(--bg);
  line-height: 1.8;
  font-size: 1rem;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: color .2s ease; }
a:hover { color: var(--accent); }
ul, ol { list-style: none; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }
input:focus, select:focus, textarea:focus { outline: none; }
.container { max-width: 1140px; padding-left: 20px; padding-right: 20px; margin: 0 auto; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow .25s ease;
}
.site-header.scrolled { box-shadow: var(--shadow-header); }
.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  gap: 20px;
}
.brand-logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  display: inline-flex;
  align-items: baseline;
  gap: 12px;
  line-height: 1.2;
  white-space: nowrap;
}
.brand-logo span {
  font-size: 0.8125rem;
  font-weight: 400;
  color: var(--text-muted);
}
.header-right { display: flex; align-items: center; gap: 12px; }
.header-search {
  position: relative;
  display: flex;
  align-items: center;
  width: 240px;
}
.header-search input {
  width: 100%;
  height: 40px;
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-xs);
  padding: 0 14px 0 36px;
  font-size: 0.875rem;
  background: var(--white);
  transition: border-color .2s, box-shadow .2s;
}
.header-search input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(184,144,104,0.12);
}
.header-search i {
  position: absolute;
  left: 12px;
  color: var(--text-muted);
  font-size: 0.9375rem;
  pointer-events: none;
}
.btn-accent-sm {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  color: var(--white);
  border: none;
  border-radius: var(--radius-xs);
  padding: 10px 22px;
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1;
  transition: background .2s ease, transform .1s ease;
}
.btn-accent-sm:hover { background: var(--accent-dark); color: var(--white); }
.btn-accent-sm:active { transform: translateY(1px); }
.navbar-toggler {
  display: none;
  background: none;
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-xs);
  width: 42px;
  height: 40px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  cursor: pointer;
  padding: 0;
}
.navbar-toggler span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: transform .25s, opacity .25s;
}
.navbar-toggler.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.navbar-toggler.active span:nth-child(2) { opacity: 0; }
.navbar-toggler.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.main-nav {
  border-top: 1px solid var(--border);
  padding: 0;
}
.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 6px 0;
  margin: 0;
  overflow-x: auto;
  scrollbar-width: none;
}
.nav-list::-webkit-scrollbar { display: none; }
.nav-list li { position: relative; }
.nav-list a {
  display: inline-block;
  padding: 8px 18px;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-xs);
  transition: color .2s, background .2s;
  white-space: nowrap;
}
.nav-list a:hover { color: var(--primary); background: rgba(31,42,51,0.04); }
.nav-list a.active { color: var(--accent); font-weight: 600; }
.nav-list a.active::after {
  content: "";
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 2px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

/* ---------- Page Hero ---------- */
.page-hero {
  background: linear-gradient(180deg, #f6f5f2 0%, #efede9 100%);
  border-bottom: 1px solid var(--border);
  min-height: 42vh;
  display: flex;
  align-items: center;
  padding: 72px 0 56px;
}
.page-hero .breadcrumb {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}
.page-hero .breadcrumb a { color: var(--text-muted); }
.page-hero .breadcrumb a:hover { color: var(--accent); }
.page-hero h1 {
  font-size: clamp(2rem, 4vw, 3.1rem);
  font-weight: 700;
  color: var(--primary);
  line-height: 1.2;
  margin-bottom: 18px;
  letter-spacing: -0.01em;
}
.page-hero .hero-desc {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  max-width: 560px;
  margin-bottom: 26px;
  line-height: 1.75;
}
.hero-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.hero-tags .tag {
  display: inline-block;
  padding: 5px 16px;
  background: var(--white);
  border: 1px solid var(--border-dark);
  border-radius: 999px;
  font-size: 0.8125rem;
  color: var(--text-secondary);
  transition: border-color .2s, color .2s;
}
.hero-tags .tag:hover { border-color: var(--accent); color: var(--accent); }
.page-hero-visual { position: relative; }
.page-hero-visual img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}
.page-hero-visual .visual-note {
  position: absolute;
  left: 16px;
  bottom: 16px;
  background: rgba(31,42,51,0.72);
  color: #fff;
  font-size: 0.75rem;
  padding: 6px 14px;
  border-radius: 999px;
  backdrop-filter: blur(4px);
}

/* ---------- Section Common ---------- */
.section-block { padding: 84px 0; }
.section-head { margin-bottom: 44px; }
.section-head .section-kicker {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.section-head h2 {
  font-size: clamp(1.4rem, 2.4vw, 1.9rem);
  font-weight: 600;
  color: var(--primary);
  line-height: 1.3;
  margin-bottom: 12px;
}
.section-head p {
  color: var(--text-secondary);
  max-width: 640px;
  font-size: 0.9375rem;
}
.section-head.text-center p { margin-left: auto; margin-right: auto; }

/* ---------- Topic Guide ---------- */
.topic-guide { background: var(--white); }
.topic-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px 26px;
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: border-color .2s, box-shadow .2s, transform .2s;
}
.topic-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-card);
  transform: translateY(-2px);
}
.topic-card .topic-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  border-radius: var(--radius-sm);
  color: var(--accent);
  font-size: 1.375rem;
  margin-bottom: 18px;
}
.topic-card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 10px;
}
.topic-card p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.7;
  flex: 1;
  margin-bottom: 16px;
}
.topic-card .topic-link {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap .2s ease;
}
.topic-card .topic-link:hover { gap: 10px; color: var(--accent-dark); }

/* ---------- Feature Topic ---------- */
.feature-block { background: var(--bg); }
.feature-image { position: relative; border-radius: var(--radius-lg); overflow: hidden; height: 100%; min-height: 420px; }
.feature-image img { width: 100%; height: 100%; object-fit: cover; }
.feature-image .feature-badge {
  position: absolute;
  top: 18px;
  left: 18px;
  background: rgba(31,42,51,0.78);
  color: #fff;
  font-size: 0.8125rem;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 999px;
  backdrop-filter: blur(4px);
}
.feature-list { padding: 0; margin: 0; }
.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 22px 0;
  border-bottom: 1px solid var(--border);
  transition: background .2s;
}
.feature-list li:last-child { border-bottom: none; }
.feature-list .feature-num {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.8;
  min-width: 28px;
}
.feature-list h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 6px;
}
.feature-list p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin: 0;
}

/* ---------- Stats ---------- */
.stats-section {
  background: var(--primary);
  color: var(--white);
  padding: 76px 0;
}
.stats-section .section-head h2 { color: var(--white); }
.stats-section .section-head p { color: #aab4bc; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; }
.stat-item {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-md);
  padding: 28px 22px;
  text-align: left;
  transition: background .2s, transform .2s;
}
.stat-item:hover { background: rgba(255,255,255,0.08); transform: translateY(-2px); }
.stat-item .stat-num {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.2;
  margin-bottom: 8px;
}
.stat-item .stat-label {
  font-size: 0.875rem;
  color: #c7ccd1;
  margin: 0;
}

/* ---------- Value Section ---------- */
.value-section { background: var(--white); }
.value-panel {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  background: var(--bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.value-item {
  padding: 38px 32px;
  position: relative;
}
.value-item + .value-item { border-left: 1px solid var(--border); }
.value-item .value-num {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 14px;
  letter-spacing: 0.06em;
}
.value-item h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 12px;
}
.value-item p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin: 0;
}

/* ---------- FAQ ---------- */
.faq-section { background: var(--bg); }
.faq-wrap { max-width: 760px; margin: 0 auto; }
.faq-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color .2s;
}
.faq-item.active { border-color: var(--accent); }
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: none;
  border: none;
  padding: 18px 22px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  text-align: left;
  cursor: pointer;
  transition: color .2s;
}
.faq-question:hover { color: var(--accent); }
.faq-question i {
  font-size: 1rem;
  color: var(--text-muted);
  transition: transform .3s ease;
  flex-shrink: 0;
  margin-left: 12px;
}
.faq-item.active .faq-question i { transform: rotate(45deg); color: var(--accent); }
.faq-answer { display: none; padding: 0 22px 18px; font-size: 0.9375rem; color: var(--text-secondary); line-height: 1.75; border-top: 1px solid var(--border); padding-top: 14px; }
.faq-item.active .faq-answer { display: block; }

/* ---------- CTA / Apply ---------- */
.cta-section {
  background: linear-gradient(rgba(31,42,51,0.92), rgba(31,42,51,0.94)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  padding: 84px 0;
  color: var(--white);
}
.cta-wrap { max-width: 760px; margin: 0 auto; text-align: center; }
.cta-wrap h2 {
  font-size: clamp(1.5rem, 2.8vw, 2.2rem);
  font-weight: 700;
  color: var(--white);
  margin-bottom: 14px;
}
.cta-wrap .cta-desc {
  font-size: 0.9375rem;
  color: #b3bdc4;
  margin-bottom: 36px;
}
.cta-form {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  text-align: left;
  backdrop-filter: blur(6px);
}
.cta-form .form-label {
  color: #d5dade;
  font-size: 0.875rem;
  margin-bottom: 8px;
  font-weight: 500;
}
.cta-form .form-control {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: var(--radius-xs);
  height: 44px;
  font-size: 0.9375rem;
  color: var(--white);
  transition: border-color .2s, box-shadow .2s, background .2s;
}
.cta-form .form-control:focus {
  background: rgba(255,255,255,0.12);
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(184,144,104,0.15);
  color: var(--white);
}
.cta-form .form-control::placeholder { color: #8e9aa3; }
.cta-form select.form-control option { color: var(--text); background: var(--white); }
.cta-form textarea.form-control { height: auto; min-height: 90px; padding-top: 10px; }
.btn-cta {
  background: var(--accent);
  color: var(--white);
  border: none;
  border-radius: var(--radius-xs);
  height: 44px;
  padding: 0 34px;
  font-weight: 600;
  font-size: 1rem;
  transition: background .2s, transform .1s;
}
.btn-cta:hover { background: var(--accent-dark); color: var(--white); }
.btn-cta:active { transform: translateY(1px); }
.cta-trust {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 24px;
  margin-top: 28px;
}
.cta-trust span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  color: #aab4bc;
}
.cta-trust i { color: var(--accent); font-size: 0.9375rem; }
.form-success {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  text-align: center;
}
.form-success i { font-size: 2rem; color: var(--accent); margin-bottom: 16px; display: inline-block; }
.form-success p { color: #d5dade; font-size: 1rem; margin: 0; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--primary);
  color: #c7ccd1;
  padding: 64px 0 28px;
}
.site-footer .row { margin-bottom: 40px; }
.footer-brand {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 16px;
}
.footer-about {
  font-size: 0.875rem;
  line-height: 1.75;
  color: #aab4bc;
  max-width: 320px;
}
.footer-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 18px;
}
.footer-links li, .footer-contact li { margin-bottom: 10px; }
.footer-links a {
  font-size: 0.875rem;
  color: #aab4bc;
  transition: color .2s;
}
.footer-links a:hover { color: var(--accent); }
.footer-contact li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.875rem;
  color: #aab4bc;
}
.footer-contact i { color: var(--accent); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 22px;
  text-align: center;
  font-size: 0.75rem;
  color: #8e9aa3;
}

/* ---------- Reveal Animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity .5s ease, transform .5s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------- Responsive ---------- */
@media (max-width: 991px) {
  .page-hero { min-height: auto; padding: 56px 0 48px; }
  .page-hero-visual img { height: 260px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .value-panel { grid-template-columns: 1fr; }
  .value-item + .value-item { border-left: none; border-top: 1px solid var(--border); }
  .feature-block .feature-image { min-height: 320px; margin-bottom: 28px; }
}
@media (max-width: 767px) {
  .section-block { padding: 56px 0; }
  .header-top { flex-wrap: wrap; padding: 14px 0; }
  .brand-logo span { display: none; }
  .header-search { width: 100%; order: 3; }
  .navbar-toggler { display: flex; }
  .btn-accent-sm { display: none; }
  .main-nav {
    display: none;
    border-top: 1px solid var(--border);
    padding: 8px 0;
  }
  .main-nav.open { display: block; }
  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }
  .nav-list a {
    display: block;
    padding: 12px 8px;
    font-size: 1rem;
    border-bottom: 1px solid var(--border);
  }
  .nav-list a.active::after { display: none; }
  .nav-list a.active { color: var(--accent); background: rgba(184,144,104,0.06); }
  .page-hero h1 { font-size: clamp(1.6rem, 5vw, 2.2rem); }
  .page-hero .hero-desc { font-size: 0.9375rem; }
  .hero-tags .tag { padding: 4px 12px; font-size: 0.75rem; }
  .page-hero-visual img { height: 200px; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
  .stat-item { padding: 20px 16px; text-align: center; }
  .stat-item .stat-num { font-size: 1.75rem; }
  .cta-form { padding: 24px 18px; }
  .cta-trust { gap: 12px; flex-direction: column; align-items: center; }
  .faq-question { font-size: 0.9375rem; padding: 16px 14px; }
  .topic-card { padding: 20px 18px; }
  .value-item { padding: 28px 22px; }
  .footer-bottom { text-align: center; }
}
@media (max-width: 520px) {
  .brand-logo { font-size: 1.25rem; }
  .page-hero { padding: 44px 0 40px; }
  .stats-grid { grid-template-columns: 1fr; }
  .feature-list li { flex-direction: column; gap: 6px; }
}

/* roulang page: category4 */
/* ========== 设计变量 ========== */
        :root {
            --primary: #1f2a33;
            --accent: #b89068;
            --accent-dark: #a67b56;
            --bg: #f6f5f2;
            --white: #ffffff;
            --divider: #e8e4dd;
            --border: #d9d4ca;
            --text-main: #29343f;
            --text-secondary: #68757e;
            --text-muted: #9aa5ab;
            --success: #3e7c5a;
            --warning: #a15c3c;
            --disabled: #c8ccd0;
            --radius-lg: 12px;
            --radius-md: 8px;
            --radius-sm: 4px;
            --shadow-hover: 0 8px 24px rgba(31, 42, 51, 0.08);
            --shadow-nav: 0 2px 12px rgba(31, 42, 51, 0.06);
            --font-main: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }

        /* ========== Reset & Base ========== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-main);
            background-color: var(--bg);
            color: var(--text-main);
            line-height: 1.75;
            font-size: 1rem;
            -webkit-font-smoothing: antialiased;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.2s ease;
        }
        img {
            max-width: 100%;
            display: block;
        }
        button,
        input {
            font-family: inherit;
        }
        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ========== 导航 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--divider);
            transition: box-shadow 0.25s ease;
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-nav);
        }
        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0 8px;
            gap: 16px;
        }
        .brand-logo {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
            display: flex;
            flex-direction: column;
            letter-spacing: 0.02em;
        }
        .brand-logo span {
            font-size: 0.75rem;
            font-weight: 400;
            color: var(--text-muted);
            letter-spacing: 0.06em;
            margin-top: 2px;
        }
        .header-right {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .header-search {
            position: relative;
            display: flex;
            align-items: center;
        }
        .header-search input {
            width: 200px;
            height: 36px;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            background: var(--bg);
            padding: 0 34px 0 14px;
            font-size: 0.875rem;
            color: var(--text-main);
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
        }
        .header-search input:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(184, 144, 104, 0.12);
        }
        .header-search i {
            position: absolute;
            right: 12px;
            font-size: 0.875rem;
            color: var(--text-muted);
            pointer-events: none;
        }
        .btn-accent-sm {
            display: inline-flex;
            align-items: center;
            background: var(--accent);
            color: #fff;
            font-size: 0.875rem;
            font-weight: 600;
            border: none;
            border-radius: var(--radius-sm);
            padding: 8px 18px;
            cursor: pointer;
            transition: background 0.2s ease, transform 0.1s ease;
        }
        .btn-accent-sm:hover {
            background: var(--accent-dark);
        }
        .btn-accent-sm:active {
            transform: translateY(1px);
        }
        .navbar-toggler {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 40px;
            height: 40px;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            background: transparent;
            cursor: pointer;
            padding: 8px;
        }
        .navbar-toggler span {
            display: block;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: transform 0.2s ease, opacity 0.2s ease;
        }
        .navbar-toggler.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .navbar-toggler.open span:nth-child(2) {
            opacity: 0;
        }
        .navbar-toggler.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .main-nav {
            border-top: 1px solid var(--divider);
            padding: 0;
        }
        .nav-list {
            list-style: none;
            display: flex;
            gap: 32px;
            margin: 0;
            padding: 0;
        }
        .nav-list li {
            padding: 0;
        }
        .nav-list a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.9375rem;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 12px 2px 10px;
            border-bottom: 2px solid transparent;
            transition: color 0.2s ease, border-color 0.2s ease;
            position: relative;
        }
        .nav-list a:hover {
            color: var(--primary);
        }
        .nav-list a.active {
            color: var(--primary);
            font-weight: 600;
            border-bottom-color: var(--accent);
        }
        .nav-list a.active::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--accent);
            bottom: -3px;
        }

        /* ========== 分类页 Hero ========== */
        .cat-hero {
            position: relative;
            min-height: 40vh;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, var(--primary) 0%, #2a3a48 100%);
            overflow: hidden;
            padding: 64px 0 56px;
        }
        .cat-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: radial-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px);
            background-size: 24px 24px;
            pointer-events: none;
        }
        .cat-hero::after {
            content: "";
            position: absolute;
            right: -80px;
            bottom: -120px;
            width: 360px;
            height: 360px;
            border-radius: 50%;
            background: rgba(184, 144, 104, 0.14);
            filter: blur(60px);
        }
        .cat-hero .container {
            position: relative;
            z-index: 2;
        }
        .cat-hero-inner {
            max-width: 720px;
        }
        .cat-hero-tag {
            display: inline-block;
            font-size: 0.75rem;
            letter-spacing: 0.14em;
            text-transform: uppercase;
            color: var(--accent);
            font-weight: 500;
            margin-bottom: 16px;
            border: 1px solid rgba(184, 144, 104, 0.4);
            border-radius: 999px;
            padding: 4px 14px;
            background: rgba(184, 144, 104, 0.1);
        }
        .cat-hero h1 {
            font-size: clamp(1.8rem, 3.5vw, 2.6rem);
            font-weight: 700;
            color: #fff;
            line-height: 1.25;
            margin-bottom: 18px;
            letter-spacing: 0.02em;
        }
        .cat-hero p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.78);
            line-height: 1.8;
            margin-bottom: 24px;
            max-width: 580px;
        }
        .cat-hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .cat-hero-tags span {
            font-size: 0.8125rem;
            color: rgba(255, 255, 255, 0.7);
            background: rgba(255, 255, 255, 0.08);
            border-radius: 999px;
            padding: 4px 14px;
            border: 1px solid rgba(255, 255, 255, 0.12);
        }

        /* ========== 分类导航卡 ========== */
        .cat-nav-section {
            padding: 72px 0 48px;
        }
        .cat-nav-card {
            display: block;
            background: var(--white);
            border: 1px solid var(--divider);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            height: 100%;
            transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
            position: relative;
        }
        .cat-nav-card:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .cat-nav-card .cat-nav-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background: rgba(184, 144, 104, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.25rem;
            color: var(--accent);
            margin-bottom: 16px;
        }
        .cat-nav-card h3 {
            font-size: 1.0625rem;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 8px;
        }
        .cat-nav-card p {
            font-size: 0.875rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 14px;
        }
        .cat-nav-arrow {
            font-size: 1rem;
            color: var(--accent);
            opacity: 0;
            transform: translateX(-6px);
            transition: opacity 0.2s ease, transform 0.2s ease;
            display: inline-block;
        }
        .cat-nav-card:hover .cat-nav-arrow {
            opacity: 1;
            transform: translateX(0);
        }

        /* ========== 图文专题 ========== */
        .featured-section {
            padding: 48px 0 72px;
        }
        .section-head {
            margin-bottom: 40px;
        }
        .section-head .section-subtitle {
            font-size: 0.8125rem;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--accent);
            font-weight: 500;
            margin-bottom: 6px;
            display: block;
        }
        .section-head h2 {
            font-size: clamp(1.4rem, 2.5vw, 1.875rem);
            font-weight: 600;
            color: var(--primary);
            margin: 0;
            line-height: 1.3;
        }
        .section-head p {
            color: var(--text-secondary);
            font-size: 0.9375rem;
            max-width: 560px;
            margin-top: 8px;
        }
        .featured-wrap {
            background: var(--white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--divider);
        }
        .featured-image {
            height: 100%;
            min-height: 320px;
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .featured-image .image-caption {
            position: absolute;
            bottom: 16px;
            left: 16px;
            background: rgba(31, 42, 51, 0.8);
            color: #fff;
            font-size: 0.75rem;
            padding: 4px 12px;
            border-radius: 999px;
            backdrop-filter: blur(4px);
        }
        .featured-content {
            padding: 36px;
        }
        .featured-content h3 {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 20px;
        }
        .featured-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .featured-list li {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 16px 0;
            border-bottom: 1px solid var(--divider);
            transition: background 0.15s ease;
        }
        .featured-list li:last-child {
            border-bottom: none;
        }
        .featured-list .li-date {
            flex-shrink: 0;
            font-size: 0.75rem;
            color: var(--text-muted);
            background: var(--bg);
            border-radius: var(--radius-sm);
            padding: 2px 8px;
            margin-top: 3px;
            white-space: nowrap;
        }
        .featured-list .li-body h4 {
            font-size: 0.9375rem;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 4px;
        }
        .featured-list .li-body p {
            font-size: 0.8125rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 0;
        }
        .featured-list a {
            color: var(--text-main);
            transition: color 0.2s ease;
        }
        .featured-list a:hover {
            color: var(--accent);
        }

        /* ========== 数据统计 ========== */
        .stats-section {
            background: var(--primary);
            padding: 72px 0;
            position: relative;
            overflow: hidden;
        }
        .stats-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: radial-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px);
            background-size: 20px 20px;
        }
        .stats-section .container {
            position: relative;
            z-index: 2;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
        }
        .stat-item {
            text-align: center;
            padding: 24px 16px;
        }
        .stat-item .stat-number {
            font-size: clamp(2rem, 3.5vw, 2.75rem);
            font-weight: 700;
            color: var(--accent);
            line-height: 1.2;
            font-feature-settings: "tnum";
        }
        .stat-item .stat-label {
            font-size: 0.875rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 8px;
            letter-spacing: 0.02em;
        }
        .stat-item .stat-desc {
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.4);
            margin-top: 4px;
        }

        /* ========== 回顾精选卡片 ========== */
        .review-cards-section {
            padding: 72px 0;
        }
        .review-card {
            background: var(--white);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--divider);
            transition: box-shadow 0.2s ease, transform 0.2s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .review-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .review-card .card-img {
            aspect-ratio: 16 / 10;
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .review-card .card-img .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(31, 42, 51, 0.82);
            color: #fff;
            font-size: 0.6875rem;
            padding: 3px 10px;
            border-radius: 999px;
            backdrop-filter: blur(4px);
        }
        .review-card .card-body {
            padding: 20px 22px 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .review-card .card-date {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .review-card .card-date i {
            font-size: 0.75rem;
        }
        .review-card h3 {
            font-size: 1.0625rem;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .review-card p {
            font-size: 0.875rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 16px;
            flex: 1;
        }
        .review-card .card-link {
            font-size: 0.875rem;
            font-weight: 500;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap 0.2s ease;
        }
        .review-card .card-link:hover {
            gap: 10px;
            color: var(--accent-dark);
        }

        /* ========== FAQ ========== */
        .faq-section {
            padding: 72px 0;
            background: var(--white);
            border-top: 1px solid var(--divider);
        }
        .faq-accordion .faq-item {
            border: none;
            border-bottom: 1px solid var(--divider);
            background: transparent;
            border-radius: 0 !important;
        }
        .faq-accordion .faq-item:last-child {
            border-bottom: none;
        }
        .faq-accordion .accordion-button {
            background: transparent;
            border: none;
            padding: 20px 12px 20px 0;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-main);
            box-shadow: none;
            position: relative;
            border-left: 2px solid transparent;
            transition: border-color 0.2s ease, color 0.2s ease;
        }
        .faq-accordion .accordion-button::after {
            content: "\F64D";
            font-family: "bootstrap-icons";
            background: none;
            font-size: 1rem;
            color: var(--accent);
            width: auto;
            height: auto;
            transition: transform 0.25s ease;
        }
        .faq-accordion .accordion-button[aria-expanded="true"] {
            border-left-color: var(--accent);
            color: var(--primary);
        }
        .faq-accordion .accordion-button[aria-expanded="true"]::after {
            transform: rotate(90deg);
        }
        .faq-accordion .accordion-button:focus {
            box-shadow: none;
            outline: 2px solid rgba(184, 144, 104, 0.2);
        }
        .faq-accordion .accordion-body {
            padding: 4px 12px 20px 16px;
            font-size: 0.9375rem;
            color: var(--text-secondary);
            line-height: 1.75;
        }

        /* ========== CTA ========== */
        .cta-section {
            padding: 96px 0;
            background: linear-gradient(135deg, var(--bg) 0%, #efeae2 100%);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: radial-gradient(rgba(31, 42, 51, 0.05) 1px, transparent 1px);
            background-size: 24px 24px;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-inner {
            max-width: 640px;
            margin: 0 auto;
            text-align: center;
        }
        .cta-inner h2 {
            font-size: clamp(1.6rem, 3vw, 2.25rem);
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 14px;
            line-height: 1.3;
        }
        .cta-inner p {
            font-size: 0.9375rem;
            color: var(--text-secondary);
            margin-bottom: 32px;
            line-height: 1.7;
        }
        .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .btn-primary-custom {
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            padding: 14px 36px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s ease, transform 0.1s ease;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-primary-custom:hover {
            background: var(--accent);
            color: #fff;
        }
        .btn-primary-custom:active {
            transform: translateY(1px);
        }
        .btn-outline-custom {
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 14px 36px;
            font-size: 1rem;
            font-weight: 500;
            cursor: pointer;
            transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-outline-custom:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(31, 42, 51, 0.04);
        }
        .cta-trust {
            display: flex;
            justify-content: center;
            gap: 28px;
            margin-top: 36px;
            flex-wrap: wrap;
        }
        .cta-trust span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.8125rem;
            color: var(--text-secondary);
        }
        .cta-trust i {
            color: var(--success);
            font-size: 0.9375rem;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--primary);
            padding: 64px 0 0;
            color: #c7ccd1;
            font-size: 0.875rem;
        }
        .site-footer .footer-brand {
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .site-footer .footer-about {
            color: #9aa5ab;
            line-height: 1.7;
            font-size: 0.8125rem;
            margin-bottom: 0;
        }
        .site-footer h4.footer-title {
            color: #fff;
            font-size: 0.9375rem;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }
        .site-footer .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer .footer-links li {
            margin-bottom: 10px;
        }
        .site-footer .footer-links a {
            color: #c7ccd1;
            font-size: 0.8125rem;
            transition: color 0.2s ease, padding-left 0.2s ease;
        }
        .site-footer .footer-links a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-contact {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.8125rem;
            color: #c7ccd1;
            margin-bottom: 12px;
        }
        .footer-contact i {
            color: var(--accent);
            font-size: 0.9375rem;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
            margin-top: 48px;
            text-align: center;
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ========== 滚动显现动画 ========== */
        .reveal {
            opacity: 0;
            transform: translateY(12px);
            transition: opacity 0.5s ease, transform 0.5s ease;
        }
        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 991.98px) {
            .header-search input {
                width: 150px;
            }
            .nav-list {
                gap: 20px;
            }
            .nav-list a {
                font-size: 0.875rem;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .featured-content {
                padding: 28px;
            }
        }
        @media (max-width: 767.98px) {
            .header-top {
                flex-wrap: wrap;
                padding: 12px 0 6px;
            }
            .navbar-toggler {
                display: flex;
            }
            .header-search {
                order: 3;
                width: 100%;
                margin-top: 4px;
            }
            .header-search input {
                width: 100%;
            }
            .header-right {
                gap: 10px;
            }
            .btn-accent-sm {
                display: none;
            }
            .main-nav {
                display: none;
                border-top: 1px solid var(--divider);
                padding: 12px 0;
            }
            .main-nav.open {
                display: block;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: var(--white);
                border-bottom: 1px solid var(--divider);
                box-shadow: var(--shadow-nav);
                padding: 16px 20px;
            }
            .nav-list {
                flex-direction: column;
                gap: 0;
            }
            .nav-list a {
                display: block;
                padding: 12px 0;
                border-bottom: 1px solid var(--divider);
                font-size: 0.9375rem;
                border-bottom-width: 1px;
                border-bottom-style: solid;
                border-bottom-color: transparent;
            }
            .nav-list a.active {
                border-bottom-color: var(--accent);
            }
            .nav-list a::after {
                display: none;
            }
            .cat-hero {
                min-height: auto;
                padding: 48px 0 40px;
            }
            .cat-hero h1 {
                font-size: 1.6rem;
            }
            .cat-nav-section {
                padding: 48px 0 32px;
            }
            .featured-section {
                padding: 32px 0 48px;
            }
            .featured-image {
                min-height: 220px;
            }
            .featured-content {
                padding: 24px 20px;
            }
            .stats-section {
                padding: 48px 0;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .stat-item {
                padding: 16px 8px;
            }
            .review-cards-section {
                padding: 48px 0;
            }
            .faq-section {
                padding: 48px 0;
            }
            .cta-section {
                padding: 64px 0;
            }
            .cta-trust {
                gap: 16px;
            }
            .cta-trust span {
                font-size: 0.75rem;
            }
            .site-footer {
                padding: 48px 0 0;
            }
            .footer-bottom {
                margin-top: 32px;
            }
        }
        @media (max-width: 575.98px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cta-buttons .btn-primary-custom,
            .cta-buttons .btn-outline-custom {
                width: 100%;
                justify-content: center;
            }
        }
        @media (prefers-reduced-motion: reduce) {
            * {
                transition-duration: 0.01ms !important;
                animation-duration: 0.01ms !important;
            }
            .reveal {
                opacity: 1;
                transform: none;
            }
            html {
                scroll-behavior: auto;
            }
        }