/* roulang page: index */
:root {
            --primary: #1F3A33;
            --primary-dark: #162A25;
            --accent: #C6A664;
            --accent-dark: #B89250;
            --bg-ivory: #F8F5F0;
            --bg-white: #FFFFFF;
            --bg-mist: #F1ECE3;
            --text-dark: #1C1C1C;
            --text-muted: #6F6F6F;
            --border-color: #E5DDCF;
            --terracotta: #A65E3E;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-pill: 999px;
            --shadow-hover: 0 8px 30px rgba(31, 58, 51, 0.08);
            --shadow-float: 0 12px 40px rgba(31, 58, 51, 0.15);
            --font-serif: 'Playfair Display', Georgia, 'Noto Serif SC', 'Songti SC', SimSun, serif;
            --font-sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --spacing-section: 100px;
            --spacing-section-mobile: 52px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.8;
            background-color: var(--bg-ivory);
            color: var(--text-dark);
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color .25s ease;
        }
        ul,
        ol {
            margin: 0;
            padding: 0;
            list-style: none;
        }
        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .section {
            padding: var(--spacing-section) 0;
            position: relative;
        }
        .section-header {
            margin-bottom: 48px;
            text-align: center;
        }
        .section-header .bar {
            width: 40px;
            height: 2px;
            background: var(--accent);
            margin: 0 auto 16px;
            display: block;
        }
        .section-title {
            font-family: var(--font-serif);
            font-size: 30px;
            font-weight: 600;
            line-height: 1.3;
            color: var(--text-dark);
            margin-bottom: 8px;
            letter-spacing: .01em;
        }
        .section-subtitle {
            font-size: 15px;
            color: var(--text-muted);
            max-width: 640px;
            margin: 0 auto;
        }
        .bg-mist {
            background-color: var(--bg-mist);
        }
        .bg-ivory {
            background-color: var(--bg-ivory);
        }
        .bg-white {
            background-color: var(--bg-white);
        }

        /* Buttons */
        .btn-brand {
            display: inline-block;
            background: var(--accent);
            color: var(--text-dark);
            font-weight: 600;
            font-size: 15px;
            padding: 12px 32px;
            border-radius: 999px;
            border: none;
            transition: all .3s ease;
            line-height: 1.4;
            text-align: center;
            min-height: 44px;
        }
        .btn-brand:hover {
            background: var(--accent-dark);
            transform: translateY(-1px);
            box-shadow: var(--shadow-float);
            color: var(--text-dark);
        }
        .btn-outline-brand {
            display: inline-block;
            background: transparent;
            color: var(--primary);
            font-weight: 600;
            font-size: 15px;
            padding: 12px 32px;
            border-radius: 999px;
            border: 1px solid var(--accent);
            transition: all .3s ease;
            line-height: 1.4;
            text-align: center;
            min-height: 44px;
        }
        .btn-outline-brand:hover {
            background: rgba(198, 166, 100, .08);
            transform: translateY(-1px);
            color: var(--primary);
        }
        .btn-white {
            background: #fff;
            color: var(--primary);
            font-weight: 600;
            font-size: 15px;
            padding: 12px 32px;
            border-radius: 999px;
            border: none;
            transition: all .3s ease;
            display: inline-block;
            line-height: 1.4;
            min-height: 44px;
        }
        .btn-white:hover {
            background: rgba(255, 255, 255, .9);
            transform: translateY(-1px);
            color: var(--primary);
        }

        /* Header */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(248, 245, 240, .85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            height: 72px;
            transition: box-shadow .3s ease, border-color .3s ease;
            border-bottom: 1px solid transparent;
        }
        .site-header.scrolled {
            border-bottom: 1px solid var(--border-color);
            box-shadow: 0 2px 20px rgba(31, 58, 51, .06);
        }
        .header-inner {
            display: grid;
            grid-template-columns: 1fr auto 1fr;
            align-items: center;
            height: 72px;
            position: relative;
        }
        .nav-left,
        .nav-right {
            display: flex;
            align-items: center;
            gap: 32px;
        }
        .nav-left {
            justify-content: flex-start;
        }
        .nav-right {
            justify-content: flex-end;
        }
        .header-nav {
            font-size: 15px;
            font-weight: 500;
        }
        .header-nav a {
            color: var(--text-dark);
            position: relative;
            padding: 6px 0;
        }
        .header-nav a:hover {
            color: var(--primary);
        }
        .header-nav a.active {
            color: var(--primary);
        }
        .header-nav a.active::after {
            content: '';
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            bottom: 0;
            width: 20px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }
        .brand-logo {
            text-align: center;
            position: absolute;
            left: 50%;
            top: 50%;
            transform: translate(-50%, -50%);
            line-height: 1.2;
            white-space: nowrap;
        }
        .brand-logo .logo-cn {
            font-family: var(--font-serif);
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: .05em;
            display: block;
        }
        .brand-logo .logo-en {
            font-size: 10px;
            letter-spacing: .3em;
            color: var(--accent);
            text-transform: uppercase;
            display: block;
            margin-top: 2px;
            font-weight: 500;
        }
        .btn-header {
            display: inline-block;
            background: var(--accent);
            color: var(--text-dark) !important;
            font-weight: 600;
            padding: 8px 20px;
            border-radius: 999px;
            font-size: 14px;
            transition: all .3s ease;
            border: none;
            margin-left: 8px;
        }
        .btn-header:hover {
            background: var(--accent-dark);
            transform: translateY(-1px);
            box-shadow: var(--shadow-hover);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            width: 40px;
            height: 40px;
            position: absolute;
            right: 16px;
            top: 50%;
            transform: translateY(-50%);
            z-index: 1100;
            cursor: pointer;
            padding: 0;
        }
        .hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--primary);
            margin: 5px auto;
            transition: all .3s ease;
            border-radius: 2px;
        }
        .hamburger.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger.open span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .mobile-menu {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: var(--bg-ivory);
            z-index: 1005;
            flex-direction: column;
            justify-content: center;
            padding: 60px 40px;
            overflow-y: auto;
        }
        .mobile-menu.active {
            display: flex;
        }
        .mobile-menu a {
            font-family: var(--font-serif);
            font-size: 26px;
            color: var(--primary);
            padding: 14px 0;
            border-bottom: 1px solid var(--border-color);
            display: block;
        }
        .mobile-menu .btn-header {
            margin-top: 24px;
            text-align: center;
            font-size: 16px;
            padding: 12px;
        }

        /* Hero */
        .hero {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
            min-height: 92vh;
            padding: 140px 0 120px;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            text-align: center;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(31, 58, 51, .7), rgba(31, 58, 51, .5), rgba(22, 42, 37, .75));
            z-index: 1;
        }
        .hero::after {
            content: '';
            position: absolute;
            top: -15%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(198, 166, 100, .25) 0%, transparent 70%);
            z-index: 1;
            pointer-events: none;
        }
        .hero-inner {
            position: relative;
            z-index: 2;
            max-width: 800px;
            padding: 0 24px;
        }
        .hero h1 {
            font-family: var(--font-serif);
            font-size: 48px;
            font-weight: 600;
            line-height: 1.2;
            color: #fff;
            letter-spacing: .01em;
            margin-bottom: 16px;
            animation: fadeUp .8s ease-out both;
            text-shadow: 0 2px 30px rgba(0, 0, 0, .2);
        }
        .hero-sub {
            font-size: 18px;
            color: rgba(255, 255, 255, .9);
            margin-bottom: 32px;
            font-weight: 400;
            line-height: 1.6;
            animation: fadeUp .8s ease-out .1s both;
        }
        .hero-cta {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
            animation: fadeUp .8s ease-out .2s both;
        }
        .hero .hero-info {
            margin-top: 48px;
            font-size: 13px;
            color: rgba(255, 255, 255, .7);
            letter-spacing: .05em;
            animation: fadeUp .8s ease-out .3s both;
        }

        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* Data strip */
        .data-strip {
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
            padding: 48px 0;
            background: var(--bg-white);
        }
        .data-strip .data-item {
            text-align: center;
            padding: 16px;
        }
        .data-strip .data-num {
            font-family: var(--font-serif);
            font-size: 36px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
        }
        .data-strip .data-label {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 6px;
            letter-spacing: .05em;
        }

        /* Compare Table */
        .compare-section {
            background: var(--bg-ivory);
        }
        .compare-table-wrap {
            max-width: 1000px;
            margin: 0 auto;
            border-radius: var(--radius-md);
            overflow-x: auto;
            background: var(--bg-white);
            border: 1px solid var(--border-color);
        }
        .compare-table {
            width: 100%;
            min-width: 640px;
            border-collapse: collapse;
        }
        .compare-table th,
        .compare-table td {
            padding: 16px 20px;
            text-align: center;
            border-bottom: 1px solid var(--border-color);
            font-size: 14px;
        }
        .compare-table th {
            background: var(--bg-mist);
            font-weight: 600;
            font-family: var(--font-sans);
            color: var(--text-dark);
        }
        .compare-table th:first-child {
            text-align: left;
            background: transparent;
        }
        .compare-table td:first-child {
            text-align: left;
            font-weight: 500;
            color: var(--text-dark);
        }
        .compare-table tr:last-child td {
            border-bottom: none;
        }
        .compare-table .member-col {
            background: var(--primary);
            color: #fff;
            position: relative;
        }
        .compare-table .member-col .badge-reco {
            position: absolute;
            top: -10px;
            right: 50%;
            transform: translateX(50%);
            background: var(--accent);
            color: #1C1C1C;
            font-size: 11px;
            font-weight: 700;
            padding: 2px 12px;
            border-radius: 20px;
            white-space: nowrap;
        }
        .compare-table .check {
            color: var(--accent);
            font-size: 16px;
        }
        .compare-table .dash {
            color: var(--border-color);
            font-size: 16px;
        }
        .compare-table tbody tr:hover {
            background: var(--bg-mist);
        }
        .compare-table tbody tr:hover .member-col {
            background: var(--primary);
        }
        .compare-mobile {
            display: none;
        }

        /* Tier Cards */
        .tier-section {
            background: var(--bg-white);
        }
        .tier-grid {
            display: flex;
            gap: 24px;
            align-items: flex-end;
            justify-content: center;
            max-width: 1080px;
            margin: 0 auto;
            flex-wrap: wrap;
        }
        .tier-card {
            flex: 1 1 280px;
            max-width: 320px;
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 36px 32px;
            transition: all .3s ease;
            display: flex;
            flex-direction: column;
        }
        .tier-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: var(--accent);
        }
        .tier-card.featured {
            flex: 1.25;
            max-width: 360px;
            background: var(--primary);
            border-color: var(--primary);
            box-shadow: var(--shadow-float);
            transform: translateY(-4px);
            padding: 44px 36px;
        }
        .tier-card.featured:hover {
            box-shadow: var(--shadow-float);
            transform: translateY(-6px);
        }
        .tier-card .tier-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(198, 166, 100, .15);
            color: var(--accent);
            font-size: 18px;
            margin-bottom: 20px;
        }
        .tier-card.featured .tier-icon {
            background: rgba(198, 166, 100, .2);
            color: var(--accent);
        }
        .tier-card .tier-name {
            font-family: var(--font-serif);
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text-dark);
        }
        .tier-card.featured .tier-name {
            color: #fff;
        }
        .tier-card .tier-desc {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 20px;
        }
        .tier-card.featured .tier-desc {
            color: rgba(255, 255, 255, .7);
        }
        .tier-card .tier-list {
            margin-bottom: 24px;
            flex-grow: 1;
        }
        .tier-card .tier-list li {
            font-size: 13px;
            color: var(--text-muted);
            padding: 6px 0;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .tier-card.featured .tier-list li {
            color: rgba(255, 255, 255, .85);
        }
        .tier-card .tier-list li i {
            color: var(--accent);
            font-size: 11px;
        }
        .tier-card .tier-price {
            font-family: var(--font-serif);
            font-size: 28px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 12px;
        }
        .tier-card .tier-price small {
            font-size: 14px;
            color: var(--text-muted);
            font-weight: 400;
            font-family: var(--font-sans);
        }
        .tier-card.featured .tier-price {
            color: #fff;
        }
        .tier-card.featured .tier-price small {
            color: var(--accent);
        }
        .tier-card .tier-link {
            font-size: 14px;
            color: var(--primary);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all .3s ease;
        }
        .tier-card .tier-link:hover {
            color: var(--accent);
            gap: 10px;
        }
        .tier-card.featured .tier-link {
            color: var(--accent);
        }
        .tier-card.featured .tier-link:hover {
            color: #fff;
        }

        /* Member preview slider */
        .preview-section {
            background: var(--bg-ivory);
            overflow: hidden;
        }
        .preview-slider {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            padding-bottom: 20px;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
        }
        .preview-slider::-webkit-scrollbar {
            height: 6px;
        }
        .preview-slider::-webkit-scrollbar-track {
            background: var(--bg-mist);
            border-radius: 3px;
        }
        .preview-slider::-webkit-scrollbar-thumb {
            background: var(--accent);
            border-radius: 3px;
        }
        .preview-card {
            flex: 0 0 300px;
            scroll-snap-align: start;
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            transition: all .3s ease;
            display: flex;
            flex-direction: column;
        }
        .preview-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .preview-card .thumb {
            height: 190px;
            overflow: hidden;
            position: relative;
        }
        .preview-card .thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }
        .preview-card:hover .thumb img {
            transform: scale(1.03);
        }
        .preview-card .thumb::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(31, 58, 51, .15), transparent 60%);
        }
        .preview-card.locked .thumb::after {
            background: rgba(31, 58, 51, .4);
        }
        .preview-card .badge-lock {
            position: absolute;
            right: 12px;
            bottom: 12px;
            width: 36px;
            height: 36px;
            background: rgba(255, 255, 255, .9);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 2;
            color: var(--primary);
            font-size: 13px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, .15);
        }
        .preview-card .card-body {
            padding: 24px 20px 20px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
            background: var(--bg-white);
        }
        .preview-card .card-title {
            font-family: var(--font-serif);
            font-size: 18px;
            font-weight: 600;
            color: var(--text-dark);
            line-height: 1.4;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .preview-card .card-excerpt {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 12px;
            flex-grow: 1;
        }
        .preview-card .card-footer-line {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .preview-card .badge-level {
            background: var(--primary);
            color: var(--accent);
            font-size: 11px;
            font-weight: 600;
            padding: 2px 10px;
            border-radius: 4px;
            letter-spacing: .03em;
        }

        /* Latest news (CMS) */
        .latest-section {
            background: var(--bg-white);
        }
        .feature-card {
            display: flex;
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all .3s ease;
            height: 100%;
        }
        .feature-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--accent);
        }
        .feature-card .feature-thumb {
            flex: 0 0 55%;
            min-height: 260px;
            overflow: hidden;
            position: relative;
        }
        .feature-card .feature-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }
        .feature-card:hover .feature-thumb img {
            transform: scale(1.03);
        }
        .feature-card .feature-thumb::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to right, transparent 60%, rgba(31, 58, 51, .15));
        }
        .feature-card .feature-content {
            flex: 1;
            padding: 36px 30px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .feature-card .cat-tag {
            display: inline-block;
            font-size: 12px;
            color: var(--accent);
            border: 1px solid var(--accent);
            border-radius: 4px;
            padding: 2px 8px;
            margin-bottom: 14px;
            width: fit-content;
        }
        .feature-card h3 {
            font-family: var(--font-serif);
            font-size: 22px;
            font-weight: 600;
            color: var(--text-dark);
            line-height: 1.4;
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .feature-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .feature-card .meta-time {
            font-size: 12px;
            color: #9A9A9A;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .feature-card .read-more {
            margin-top: 16px;
            font-size: 14px;
            color: var(--primary);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all .3s ease;
        }
        .feature-card .read-more:hover {
            color: var(--accent);
            gap: 10px;
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            height: 100%;
        }
        .news-list-item {
            display: flex;
            gap: 14px;
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 16px;
            transition: all .3s ease;
            flex-grow: 1;
        }
        .news-list-item:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--accent);
        }
        .news-list-item .thumb {
            flex: 0 0 72px;
            height: 72px;
            border-radius: 8px;
            overflow: hidden;
        }
        .news-list-item .thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .news-list-item .info {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
            min-width: 0;
        }
        .news-list-item .info h4 {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-dark);
            line-height: 1.4;
            margin-bottom: 4px;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-list-item .info p {
            font-size: 12px;
            color: var(--text-muted);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 4px;
        }
        .news-list-item .meta {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 11px;
            color: #9A9A9A;
        }
        .news-list-item .meta .cat {
            color: var(--accent);
            font-weight: 600;
        }

        .empty-block {
            background: var(--bg-mist);
            border-radius: var(--radius-md);
            padding: 40px;
            text-align: center;
        }
        .empty-block .icon {
            font-size: 28px;
            color: var(--accent);
            margin-bottom: 12px;
            display: block;
        }
        .empty-block p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 12px;
        }
        .empty-block .btn-refresh {
            background: transparent;
            border: 1px solid var(--accent);
            color: var(--primary);
            font-size: 13px;
            padding: 6px 20px;
            border-radius: 999px;
            transition: all .3s ease;
        }
        .empty-block .btn-refresh:hover {
            background: rgba(198, 166, 100, .1);
        }

        /* FAQ */
        .faq-section {
            background: var(--bg-white);
        }
        .faq-wrap {
            max-width: 780px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid var(--border-color);
        }
        .faq-item:first-child {
            border-top: 1px solid var(--border-color);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 8px;
            cursor: pointer;
            min-height: 48px;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-dark);
            transition: all .25s ease;
            user-select: none;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question .faq-icon {
            flex: 0 0 20px;
            width: 20px;
            height: 20px;
            position: relative;
            transition: transform .25s ease;
        }
        .faq-question .faq-icon::before,
        .faq-question .faq-icon::after {
            content: '';
            position: absolute;
            background: var(--accent);
            border-radius: 1px;
        }
        .faq-question .faq-icon::before {
            width: 20px;
            height: 2px;
            top: 9px;
            left: 0;
        }
        .faq-question .faq-icon::after {
            width: 2px;
            height: 20px;
            top: 0;
            left: 9px;
            transition: all .25s ease;
        }
        .faq-item.open .faq-icon::after {
            transform: rotate(90deg);
            opacity: 0;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .3s ease;
        }
        .faq-answer-inner {
            padding: 0 20px 20px;
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
        }

        /* CTA */
        .cta-section {
            background: var(--primary);
            position: relative;
            overflow: hidden;
            padding: 96px 0;
            text-align: center;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60%;
            left: -15%;
            width: 600px;
            height: 600px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(198, 166, 100, .15), transparent 70%);
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40%;
            right: -10%;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(198, 166, 100, .1), transparent 70%);
        }
        .cta-inner {
            position: relative;
            z-index: 2;
            max-width: 700px;
            margin: 0 auto;
        }
        .cta-inner h2 {
            font-family: var(--font-serif);
            font-size: 32px;
            color: #fff;
            font-weight: 600;
            margin-bottom: 12px;
        }
        .cta-inner .cta-desc {
            color: var(--accent);
            font-size: 14px;
            letter-spacing: .05em;
            margin-bottom: 36px;
        }
        .cta-price-wrap {
            margin-bottom: 32px;
        }
        .cta-price-wrap .price {
            font-family: var(--font-serif);
            font-size: 56px;
            color: #fff;
            font-weight: 700;
            line-height: 1;
        }
        .cta-price-wrap .unit {
            font-size: 16px;
            color: var(--accent);
            margin-left: 4px;
        }
        .cta-btn-wrap {
            margin-bottom: 32px;
        }
        .cta-dots {
            display: flex;
            gap: 24px;
            justify-content: center;
            flex-wrap: wrap;
            margin-top: 24px;
        }
        .cta-dots span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: rgba(255, 255, 255, .7);
            font-size: 13px;
        }
        .cta-dots span::before {
            content: '';
            width: 5px;
            height: 5px;
            background: var(--accent);
            border-radius: 50%;
            flex: 0 0 5px;
        }
        .cta-price-wrap.fade-up {
            opacity: 0;
            transform: translateY(16px);
            transition: opacity .3s ease, transform .3s ease;
        }

        /* Footer */
        .site-footer {
            background: var(--primary-dark);
            color: #B8C4C0;
            font-size: 14px;
            padding: 72px 0 32px;
            border-top: 2px solid var(--accent);
        }
        .footer-brand {
            text-align: center;
            margin-bottom: 48px;
        }
        .footer-brand .cn {
            font-family: var(--font-serif);
            font-size: 26px;
            font-weight: 700;
            color: #fff;
            letter-spacing: .08em;
            display: block;
        }
        .footer-brand .en {
            font-size: 11px;
            letter-spacing: .3em;
            color: var(--accent);
            text-transform: uppercase;
            display: block;
            margin-top: 6px;
        }
        .footer-cols {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 40px;
            max-width: 1000px;
            margin: 0 auto 48px;
        }
        .footer-col h4 {
            font-size: 15px;
            color: #fff;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: .03em;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            color: #B8C4C0;
            font-size: 14px;
            transition: all .25s ease;
        }
        .footer-col ul li a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding-top: 24px;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, .5);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, .6);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }
        .footer-social {
            display: flex;
            gap: 12px;
            justify-content: center;
            margin-top: 16px;
        }
        .footer-social a {
            width: 36px;
            height: 36px;
            border: 1px solid rgba(255, 255, 255, .2);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #B8C4C0;
            font-size: 14px;
            transition: all .3s ease;
        }
        .footer-social a:hover {
            background: var(--accent);
            border-color: var(--accent);
            color: #1C1C1C;
        }

        /* Scrollbar track */
        body {
            overflow-x: hidden;
        }

        /* Reusable */
        .half-badge {
            display: inline-block;
            background: rgba(198, 166, 100, .15);
            color: var(--accent);
            font-size: 12px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 4px;
            border: 1px solid rgba(198, 166, 100, .3);
        }

        /* Responsive */
        @media (max-width: 991.98px) {
            .nav-left,
            .nav-right {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .brand-logo {
                left: 50%;
                transform: translateX(-50%);
                position: absolute;
                top: 50%;
                -ms-transform: translate(-50%, -50%);
            }
            .header-inner {
                display: flex;
                align-items: center;
                justify-content: center;
            }
            .site-header {
                height: 64px;
            }
            .header-inner {
                height: 64px;
            }
        }
        @media (max-width: 767.98px) {
            .section {
                padding: 52px 0;
            }
            .section-title {
                font-size: 24px;
            }
            .section-subtitle {
                font-size: 14px;
            }
            .hero {
                min-height: 85vh;
                padding: 120px 0 80px;
            }
            .hero h1 {
                font-size: 32px;
                line-height: 1.3;
            }
            .hero-sub {
                font-size: 15px;
            }
            .hero-cta {
                flex-direction: column;
                align-items: center;
                gap: 12px;
            }
            .hero-cta .btn-brand,
            .hero-cta .btn-outline-brand {
                width: 80%;
                max-width: 280px;
            }
            .data-strip .data-num {
                font-size: 28px;
            }
            .tier-grid {
                flex-direction: column;
                align-items: stretch;
            }
            .tier-card,
            .tier-card.featured {
                max-width: 100%;
                width: 100%;
                flex: 1 1 auto;
            }
            .feature-card {
                flex-direction: column;
            }
            .feature-card .feature-thumb {
                flex: 0 0 200px;
                min-height: 200px;
            }
            .compare-table-wrap {
                display: none;
            }
            .compare-mobile {
                display: block;
            }
            .compare-mobile .item {
                background: var(--bg-white);
                border: 1px solid var(--border-color);
                border-radius: var(--radius-md);
                padding: 24px;
                margin-bottom: 16px;
            }
            .compare-mobile .item-name {
                font-family: var(--font-serif);
                font-size: 18px;
                font-weight: 600;
                margin-bottom: 12px;
            }
            .compare-mobile .row-item {
                display: flex;
                justify-content: space-between;
                padding: 10px 0;
                border-bottom: 1px solid var(--border-color);
                font-size: 14px;
            }
            .compare-mobile .row-item:last-child {
                border-bottom: none;
            }
            .compare-mobile .row-item .label {
                color: var(--text-muted);
            }
            .compare-mobile .row-item .val {
                font-weight: 600;
                color: var(--text-dark);
            }
            .compare-mobile .row-item .val.member {
                color: var(--accent);
                font-weight: 700;
            }
            .footer-cols {
                grid-template-columns: 1fr;
                gap: 32px;
                text-align: center;
            }
            .footer-social {
                margin-top: 12px;
            }
        }
        @media (max-width: 520px) {
            .container-custom {
                padding: 0 16px;
            }
            .preview-card {
                flex: 0 0 260px;
            }
            .cta-inner h2 {
                font-size: 26px;
            }
            .cta-price-wrap .price {
                font-size: 44px;
            }
            .cta-dots {
                flex-direction: column;
                gap: 8px;
                align-items: center;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #1F3A33;
            --primary-dark: #152A24;
            --gold: #C6A664;
            --gold-dark: #B89250;
            --bg: #F8F5F0;
            --bg-light: #F1ECE3;
            --white: #FFFFFF;
            --text: #1C1C1C;
            --text-muted: #6F6F6F;
            --text-light: #B8C4C0;
            --border: #E5DDCF;
            --accent: #A65E3E;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-pill: 999px;
            --shadow-card: 0 8px 30px rgba(31, 58, 51, 0.08);
            --shadow-float: 0 12px 40px rgba(31, 58, 51, 0.15);
            --transition: all 0.3s ease-out;
            --font-serif: 'Playfair Display', 'Noto Serif SC', Georgia, 'Songti SC', SimSun, serif;
            --font-sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', Arial, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
        }

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

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

        a:hover {
            color: var(--gold-dark);
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-serif);
            font-weight: 600;
            line-height: 1.3;
            color: var(--text);
            margin-top: 0;
            margin-bottom: 0.5em;
        }

        /* ===== 按钮系统 ===== */
        .btn {
            border-radius: var(--radius-pill);
            font-weight: 600;
            font-size: 15px;
            padding: 12px 32px;
            min-height: 44px;
            transition: var(--transition);
            border: 1px solid transparent;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
        }

        .btn-primary {
            --bs-btn-bg: var(--gold);
            --bs-btn-border-color: var(--gold);
            --bs-btn-color: #1C1C1C;
            --bs-btn-hover-bg: var(--gold-dark);
            --bs-btn-hover-border-color: var(--gold-dark);
            --bs-btn-hover-color: #1C1C1C;
            --bs-btn-active-bg: #A8864A;
            --bs-btn-active-border-color: #A8864A;
            --bs-btn-active-color: #1C1C1C;
            background-color: var(--gold);
            border-color: var(--gold);
            color: #1C1C1C;
        }

        .btn-primary:hover {
            background-color: var(--gold-dark);
            border-color: var(--gold-dark);
            transform: translateY(-1px);
            box-shadow: var(--shadow-float);
            color: #1C1C1C;
        }

        .btn-outline-gold {
            background: transparent;
            border: 1px solid var(--gold);
            color: var(--primary);
        }

        .btn-outline-gold:hover {
            background: rgba(198, 166, 100, 0.08);
            border-color: var(--gold-dark);
            color: var(--primary);
            transform: translateY(-1px);
        }

        .btn-white {
            background: #fff;
            border-color: #fff;
            color: var(--primary);
        }

        .btn-white:hover {
            background: rgba(255, 255, 255, 0.9);
            border-color: rgba(255, 255, 255, 0.9);
            color: var(--primary);
            transform: translateY(-1px);
        }

        .btn:focus,
        .btn:focus-visible {
            outline: none;
            box-shadow: 0 0 0 3px rgba(198, 166, 100, 0.35);
        }

        /* ===== 标签与徽章 ===== */
        .card-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 500;
            letter-spacing: 0.03em;
            color: var(--gold-dark);
            border: 1px solid var(--gold);
            border-radius: 4px;
            padding: 2px 10px;
            background: transparent;
            line-height: 1.5;
        }

        .badge-gold {
            display: inline-block;
            font-size: 11px;
            font-weight: 600;
            color: #1C1C1C;
            background: var(--gold);
            border-radius: 4px;
            padding: 3px 10px;
            letter-spacing: 0.04em;
        }

        /* ===== 顶部导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(248, 245, 240, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid transparent;
            transition: border-color 0.3s ease, background-color 0.3s ease;
        }

        .site-header.scrolled {
            border-bottom-color: var(--border);
            background: rgba(248, 245, 240, 0.95);
        }

        .header-inner {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }

        .header-nav {
            display: flex;
            align-items: center;
            gap: 32px;
        }

        .header-nav a {
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            position: relative;
            padding: 8px 2px;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .header-nav a::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--gold);
            border-radius: 2px;
            opacity: 0;
            transition: var(--transition);
        }

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

        .header-nav a.active::after,
        .header-nav a:hover::after {
            opacity: 1;
        }

        .header-nav a.active {
            color: var(--gold-dark);
        }

        .site-logo {
            position: absolute;
            left: 50%;
            top: 50%;
            transform: translate(-50%, -50%);
            display: flex;
            flex-direction: column;
            align-items: center;
            line-height: 1.2;
            z-index: 2;
        }

        .site-logo .cn {
            font-family: var(--font-serif);
            font-size: 19px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .site-logo .en {
            font-family: var(--font-serif);
            font-size: 9px;
            letter-spacing: 0.3em;
            color: var(--gold-dark);
            text-transform: uppercase;
            margin-top: 2px;
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 24px;
        }

        .nav-right a:not(.btn) {
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            position: relative;
            padding: 8px 2px;
        }

        .nav-right a:not(.btn)::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--gold);
            border-radius: 2px;
            opacity: 0;
            transition: var(--transition);
        }

        .nav-right a:not(.btn):hover {
            color: var(--primary);
        }

        .nav-right a:not(.btn):hover::after {
            opacity: 1;
        }

        .btn-nav {
            padding: 9px 24px;
            font-size: 14px;
            min-height: 40px;
        }

        .menu-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 6px;
            width: 44px;
            height: 44px;
            background: transparent;
            border: none;
            padding: 0 10px;
            cursor: pointer;
            align-items: flex-start;
        }

        .menu-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: var(--transition);
        }

        .menu-toggle:hover span {
            background: var(--gold-dark);
        }

        .mobile-nav-panel {
            background: var(--bg);
            border-top: 1px solid var(--border);
            padding-bottom: 32px;
        }

        .mobile-nav-panel nav {
            display: flex;
            flex-direction: column;
            gap: 4px;
            padding: 16px 24px 0;
        }

        .mobile-nav-panel nav a {
            font-size: 17px;
            font-weight: 500;
            color: var(--text);
            padding: 12px 0;
            border-bottom: 1px solid rgba(229, 221, 207, 0.5);
        }

        .mobile-nav-panel nav a.active {
            color: var(--gold-dark);
        }

        .mobile-nav-panel .btn-mobile-cta {
            margin-top: 20px;
            border-radius: var(--radius-pill);
        }

        /* ===== Hero ===== */
        .hero-category {
            position: relative;
            background: linear-gradient(135deg, rgba(21, 42, 36, 0.6) 0%, rgba(31, 58, 51, 0.35) 100%),
                url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            background-blend-mode: multiply;
            padding: 96px 0 88px;
            color: #fff;
            overflow: hidden;
        }

        .hero-category::before {
            content: "";
            position: absolute;
            top: -120px;
            right: -80px;
            width: 380px;
            height: 380px;
            background: radial-gradient(circle, rgba(198, 166, 100, 0.25) 0%, transparent 65%);
            pointer-events: none;
        }

        .hero-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 32px;
        }

        .hero-breadcrumb a {
            color: rgba(255, 255, 255, 0.75);
        }

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

        .hero-breadcrumb .separator {
            color: rgba(255, 255, 255, 0.4);
        }

        .hero-category h1 {
            font-size: 48px;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.01em;
            animation: fadeUp 0.5s ease-out both;
        }

        .hero-subtitle {
            font-family: var(--font-serif);
            font-size: 20px;
            color: var(--gold);
            margin-bottom: 16px;
            letter-spacing: 0.02em;
            animation: fadeUp 0.5s ease-out 0.1s both;
        }

        .hero-desc {
            font-size: 16px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.85);
            max-width: 620px;
            margin: 0 0 32px;
            animation: fadeUp 0.5s ease-out 0.2s both;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            animation: fadeUp 0.5s ease-out 0.3s both;
        }

        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(16px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* ===== 数据条 ===== */
        .data-bar {
            background: var(--bg);
            border-bottom: 1px solid var(--border);
        }

        .data-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            padding: 48px 0;
            gap: 24px;
        }

        .data-item {
            text-align: center;
            border-right: 1px solid var(--border);
            padding: 0 16px;
        }

        .data-item:last-child {
            border-right: none;
        }

        .data-num {
            font-family: var(--font-serif);
            font-size: 42px;
            font-weight: 600;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 4px;
        }

        .data-num .unit {
            font-size: 22px;
            color: var(--gold-dark);
            margin-left: 2px;
        }

        .data-label {
            font-size: 13px;
            color: var(--text-muted);
            letter-spacing: 0.03em;
        }

        /* ===== 通用板块 ===== */
        .section-block {
            padding: 96px 0;
        }

        .section-head {
            margin-bottom: 48px;
            max-width: 760px;
        }

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

        .gold-line {
            display: block;
            width: 40px;
            height: 2px;
            background: var(--gold);
            border-radius: 2px;
            margin-bottom: 12px;
        }

        .section-head.center .gold-line {
            margin-left: auto;
            margin-right: auto;
        }

        .section-title {
            font-size: 30px;
            color: var(--text);
            margin-bottom: 8px;
        }

        .section-sub {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        .bg-soft {
            background: var(--bg-light);
        }

        .bg-white {
            background: var(--bg);
        }

        /* ===== 杂志三段式封面卡 ===== */
        .featured-card {
            display: flex;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            margin-bottom: 40px;
            transition: var(--transition);
        }

        .featured-card:hover {
            box-shadow: var(--shadow-card);
            border-color: var(--gold);
        }

        .featured-media {
            flex: 0 0 52%;
            overflow: hidden;
            position: relative;
            min-height: 360px;
        }

        .featured-media img {
            width: 100%;
            height: 100%;
            min-height: 360px;
            object-fit: cover;
            transition: transform 0.4s ease-out;
        }

        .featured-card:hover .featured-media img {
            transform: scale(1.03);
        }

        .featured-content {
            flex: 1;
            padding: 40px 40px 32px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            background: #fff;
        }

        .featured-content .card-tag {
            align-self: flex-start;
            margin-bottom: 16px;
        }

        .featured-content h3 {
            font-size: 26px;
            line-height: 1.35;
            margin-bottom: 16px;
            color: var(--primary);
        }

        .featured-content p {
            font-size: 14px;
            line-height: 1.8;
            color: var(--text-muted);
            margin-bottom: 20px;
        }

        .featured-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-muted);
        }

        .read-more {
            font-size: 14px;
            font-weight: 500;
            color: var(--primary);
        }

        .read-more:hover {
            color: var(--gold-dark);
            transform: translateX(2px);
        }

        /* ===== 两列动态卡 ===== */
        .dynamic-grid {
            display: grid;
            gap: 24px;
        }

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

        .dynamic-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }

        .dynamic-card:hover {
            box-shadow: var(--shadow-card);
            border-color: var(--gold);
            transform: translateY(-2px);
        }

        .card-media {
            position: relative;
            overflow: hidden;
            border-radius: 0;
            aspect-ratio: 16 / 10;
        }

        .card-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease-out;
        }

        .dynamic-card:hover .card-media img {
            transform: scale(1.03);
        }

        .card-media .card-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(255, 255, 255, 0.92);
            border-color: transparent;
        }

        .card-body {
            padding: 24px 24px 20px;
        }

        .card-body h3 {
            font-family: var(--font-sans);
            font-size: 18px;
            font-weight: 600;
            line-height: 1.45;
            margin-bottom: 8px;
            color: var(--text);
        }

        .card-body p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-muted);
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: var(--text-muted);
            border-top: 1px solid var(--border);
            padding-top: 14px;
        }

        .card-meta .time {
            color: #999;
        }

        /* ===== 价值区 ===== */
        .value-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
        }

        .value-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 36px 32px;
            transition: var(--transition);
        }

        .value-card:hover {
            border-color: var(--gold);
            box-shadow: var(--shadow-card);
            transform: translateY(-3px);
        }

        .value-icon {
            width: 52px;
            height: 52px;
            border-radius: 12px;
            background: rgba(198, 166, 100, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--gold-dark);
            margin-bottom: 20px;
        }

        .value-card h3 {
            font-family: var(--font-sans);
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 10px;
            color: var(--primary);
        }

        .value-card p {
            font-size: 14px;
            line-height: 1.75;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        /* ===== 流程区 ===== */
        .steps-section {
            background: var(--bg-light);
        }

        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            counter-reset: step;
        }

        .step-item {
            position: relative;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 40px 28px 28px;
            transition: var(--transition);
        }

        .step-item:hover {
            transform: translateY(-3px);
            border-color: var(--gold);
            box-shadow: var(--shadow-card);
        }

        .step-num {
            font-family: var(--font-serif);
            font-size: 40px;
            font-weight: 600;
            color: var(--gold);
            line-height: 1;
            margin-bottom: 16px;
            display: block;
        }

        .step-item h3 {
            font-family: var(--font-sans);
            font-size: 17px;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 10px;
        }

        .step-item p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        /* ===== FAQ ===== */
        .faq-wrap {
            max-width: 800px;
            margin: 0 auto;
            border-top: 1px solid var(--border);
        }

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

        .faq-question {
            width: 100%;
            min-height: 56px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            background: transparent;
            border: none;
            padding: 16px 4px;
            font-size: 16px;
            font-weight: 500;
            color: var(--text);
            cursor: pointer;
            text-align: left;
            transition: color 0.2s ease;
        }

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

        .faq-question:focus-visible {
            outline: 2px solid var(--gold);
            border-radius: 4px;
        }

        .faq-icon {
            position: relative;
            width: 20px;
            height: 20px;
            flex-shrink: 0;
            transition: transform 0.25s ease;
        }

        .faq-icon::before,
        .faq-icon::after {
            content: "";
            position: absolute;
            background: var(--gold-dark);
            border-radius: 2px;
            transition: all 0.25s ease;
        }

        .faq-icon::before {
            width: 20px;
            height: 2px;
            top: 9px;
            left: 0;
        }

        .faq-icon::after {
            width: 2px;
            height: 20px;
            top: 0;
            left: 9px;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.25s ease-out;
        }

        .faq-answer p {
            font-size: 14px;
            line-height: 1.8;
            color: var(--text-muted);
            padding: 0 4px 20px;
            max-width: 680px;
        }

        /* ===== CTA ===== */
        .cta-light-block {
            background: var(--bg);
            padding: 80px 0;
        }

        .cta-light-card {
            background: #fff;
            border: 1px solid var(--gold);
            border-radius: var(--radius-md);
            padding: 56px 48px;
            text-align: center;
            max-width: 900px;
            margin: 0 auto;
            position: relative;
            overflow: hidden;
        }

        .cta-light-card::before {
            content: "";
            position: absolute;
            top: -60px;
            right: -60px;
            width: 160px;
            height: 160px;
            border-radius: 50%;
            background: rgba(198, 166, 100, 0.08);
        }

        .cta-light-card h2 {
            font-size: 28px;
            color: var(--primary);
            margin-bottom: 12px;
        }

        .cta-light-card p {
            font-size: 15px;
            color: var(--text-muted);
            margin-bottom: 28px;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--primary);
            border-top: 2px solid var(--gold);
            padding: 72px 0 32px;
            color: var(--text-light);
        }

        .site-footer .footer-brand {
            margin-bottom: 40px;
        }

        .site-footer .footer-brand .cn {
            font-family: var(--font-serif);
            font-size: 26px;
            font-weight: 600;
            color: #fff;
            display: block;
            margin-bottom: 4px;
        }

        .site-footer .footer-brand .en {
            font-family: var(--font-serif);
            font-size: 12px;
            letter-spacing: 0.3em;
            color: var(--gold);
            text-transform: uppercase;
        }

        .footer-cols {
            display: grid;
            grid-template-columns: 1fr 1fr 1.4fr;
            gap: 48px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-col h4 {
            font-family: var(--font-sans);
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 20px;
            letter-spacing: 0.05em;
        }

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

        .footer-col ul li {
            margin-bottom: 12px;
            font-size: 14px;
        }

        .footer-col ul li a {
            color: var(--text-light);
            font-size: 14px;
        }

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

        .footer-social {
            display: flex;
            gap: 12px;
            margin-top: 16px;
        }

        .footer-social a {
            width: 40px;
            height: 40px;
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-light);
            font-size: 15px;
            transition: var(--transition);
        }

        .footer-social a:hover {
            background: var(--gold);
            border-color: var(--gold);
            color: #1C1C1C;
        }

        .footer-bottom {
            padding-top: 32px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom a {
            color: var(--text-light);
        }

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

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .header-nav {
                gap: 20px;
            }
            .nav-right {
                gap: 16px;
            }
            .featured-content {
                padding: 28px 24px;
            }
            .featured-content h3 {
                font-size: 22px;
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .data-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .data-item {
                border-bottom: 1px solid var(--border);
                padding: 12px 0;
            }
            .data-item:nth-child(odd) {
                border-right: 1px solid var(--border);
            }
            .data-item:nth-child(-n+2) {
                border-top: none;
            }
        }

        @media (max-width: 992px) {
            .header-nav,
            .nav-right {
                display: none;
            }
            .menu-toggle {
                display: flex;
            }
            .header-inner {
                height: 64px;
            }
            .site-logo .cn {
                font-size: 17px;
            }
            .site-logo .en {
                font-size: 8px;
            }
        }

        @media (max-width: 768px) {
            .section-block {
                padding: 56px 0;
            }
            .hero-category {
                padding: 64px 0 56px;
            }
            .hero-category h1 {
                font-size: 32px;
            }
            .hero-subtitle {
                font-size: 17px;
            }
            .section-title {
                font-size: 24px;
            }
            .featured-card {
                flex-direction: column;
            }
            .featured-media {
                flex: none;
                min-height: 0;
                aspect-ratio: 16 / 10;
            }
            .featured-media img {
                min-height: 0;
                aspect-ratio: 16 / 10;
            }
            .featured-content h3 {
                font-size: 20px;
            }
            .grid-2 {
                grid-template-columns: 1fr;
            }
            .value-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .steps-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .cta-light-card {
                padding: 40px 24px;
            }
            .cta-light-card h2 {
                font-size: 22px;
            }
            .footer-cols {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
            .hero-actions .btn {
                padding: 10px 22px;
                font-size: 14px;
            }
            .data-num {
                font-size: 32px;
            }
            .data-grid {
                padding: 32px 0;
            }
            .card-body {
                padding: 18px 16px 16px;
            }
            .featured-meta {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .footer-cols {
                grid-template-columns: 1fr;
            }
        }

/* roulang page: article */
:root {
    --primary: #1F3A33;
    --primary-dark: #142822;
    --accent: #C6A664;
    --accent-dark: #B89250;
    --bg: #F8F5F0;
    --bg-deep: #F1ECE3;
    --white: #FFFFFF;
    --text: #1C1C1C;
    --muted: #6F6F6F;
    --border: #E5DDCF;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-pill: 999px;
    --shadow-hover: 0 8px 30px rgba(31, 58, 51, 0.08);
    --shadow-float: 0 12px 40px rgba(31, 58, 51, 0.15);
    --space-section: 110px;
    --space-section-sm: 60px;
    --transition: all 0.3s ease-out;
}
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
html {
    scroll-behavior: smooth;
}
body {
    font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.8;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}
a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
}
a:hover {
    color: var(--accent-dark);
    text-decoration: none;
}
img {
    max-width: 100%;
    height: auto;
}
.container-custom {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}
.btn {
    font-family: 'Noto Sans SC', sans-serif;
    font-weight: 500;
    border-radius: var(--radius-pill);
    transition: var(--transition);
}
.btn-primary {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--text);
}
.btn-primary:hover {
    background: var(--accent-dark);
    border-color: var(--accent-dark);
    color: #fff;
    transform: translateY(-1px);
}
.btn-outline-custom {
    background: transparent;
    border: 1px solid var(--accent);
    color: var(--primary);
    border-radius: var(--radius-pill);
    padding: 10px 28px;
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
}
.btn-outline-custom:hover {
    background: rgba(198, 166, 100, 0.08);
    color: var(--primary);
    border-color: var(--accent);
}
.btn-accent {
    background: var(--accent);
    color: var(--text);
    border: none;
    border-radius: var(--radius-pill);
    padding: 12px 32px;
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 0.02em;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.btn-accent:hover {
    background: var(--accent-dark);
    color: #fff;
    transform: translateY(-1px);
}
.btn-accent-light {
    background: var(--white);
    color: var(--primary);
    border: none;
    border-radius: var(--radius-pill);
    padding: 12px 32px;
    font-size: 15px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    transition: var(--transition);
}
.btn-accent-light:hover {
    background: rgba(255, 255, 255, 0.9);
    color: var(--primary);
    transform: translateY(-1px);
}
.tag {
    display: inline-block;
    padding: 6px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-pill);
    font-size: 12px;
    color: var(--muted);
    letter-spacing: 0.03em;
    transition: var(--transition);
    background: transparent;
}
.tag:hover {
    border-color: var(--accent);
    color: var(--accent-dark);
}
/* ── Header ── */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(248, 245, 240, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    height: 72px;
    border-bottom: 1px solid transparent;
    transition: var(--transition);
}
.site-header.scrolled {
    border-bottom-color: var(--border);
    background: rgba(248, 245, 240, 0.95);
}
.header-inner {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    height: 72px;
    gap: 16px;
}
.header-nav {
    display: flex;
    align-items: center;
    gap: 32px;
}
.nav-left {
    justify-content: flex-start;
}
.nav-right {
    justify-content: flex-end;
}
.header-nav a {
    font-size: 15px;
    font-weight: 500;
    color: var(--text);
    position: relative;
    padding: 6px 2px;
    white-space: nowrap;
    letter-spacing: 0.01em;
}
.header-nav a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--accent);
    border-radius: 2px;
    transition: width 0.3s ease;
}
.header-nav a:hover::after,
.header-nav a.active::after {
    width: 20px;
}
.header-nav a:hover {
    color: var(--primary);
}
.brand-logo {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    line-height: 1.2;
    margin: 0 24px;
}
.brand-logo .cn {
    font-family: 'Noto Serif SC', 'Songti SC', 'SimSun', serif;
    font-size: 20px;
    font-weight: 600;
    letter-spacing: 0.06em;
    color: var(--primary);
}
.brand-logo .en {
    font-size: 9px;
    letter-spacing: 0.28em;
    color: var(--accent);
    text-transform: uppercase;
    margin-top: 2px;
    font-weight: 500;
}
.btn-header {
    background: var(--accent);
    color: var(--text);
    border: none;
    border-radius: var(--radius-pill);
    padding: 8px 22px;
    font-size: 14px;
    font-weight: 500;
    min-height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}
.btn-header:hover {
    background: var(--accent-dark);
    color: #fff;
    transform: translateY(-1px);
}
.nav-toggle {
    display: none;
    background: none;
    border: none;
    width: 36px;
    height: 36px;
    cursor: pointer;
    padding: 0;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    border-radius: 6px;
}
.nav-toggle span {
    display: block;
    height: 2px;
    width: 24px;
    background: var(--primary);
    border-radius: 2px;
    transition: var(--transition);
}
.nav-toggle.active span:first-child {
    transform: translateY(4px) rotate(45deg);
}
.nav-toggle.active span:last-child {
    transform: translateY(-4px) rotate(-45deg);
}
.mobile-menu {
    display: flex;
    position: fixed;
    inset: 0;
    background: var(--bg);
    z-index: 999;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 32px;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}
.mobile-menu.open {
    opacity: 1;
    visibility: visible;
}
.mobile-menu a {
    font-family: 'Noto Serif SC', serif;
    font-size: 24px;
    color: var(--primary);
    font-weight: 600;
    letter-spacing: 0.06em;
}
.mobile-menu a:hover {
    color: var(--accent-dark);
}
.mobile-menu .btn-accent {
    font-family: 'Noto Sans SC', sans-serif;
    font-size: 16px;
    margin-top: 8px;
    min-width: 200px;
}
/* ── 面包屑 ── */
.breadcrumb-wrap {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 13px;
    color: var(--muted);
    margin-bottom: 20px;
    padding-top: 8px;
}
.breadcrumb-wrap a {
    color: var(--muted);
    font-size: 13px;
    transition: var(--transition);
}
.breadcrumb-wrap a:hover {
    color: var(--primary);
}
.breadcrumb-wrap .bc-sep {
    color: #B8B0A4;
    font-size: 12px;
}
.breadcrumb-wrap .bc-current {
    color: var(--primary);
    font-weight: 500;
    max-width: 280px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
/* ── 文章头部 ── */
.article-head {
    padding: 64px 0 40px;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
}
.article-title {
    font-family: 'Noto Serif SC', 'Playfair Display', 'Songti SC', serif;
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 600;
    line-height: 1.25;
    color: var(--primary);
    letter-spacing: 0.01em;
    margin-bottom: 20px;
    max-width: 860px;
}
.article-title-decor {
    width: 40px;
    height: 2px;
    background: var(--accent);
    border-radius: 2px;
    margin-bottom: 20px;
}
.article-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 13px;
    color: var(--muted);
}
.meta-cat {
    display: inline-block;
    background: rgba(198, 166, 100, 0.12);
    color: var(--accent-dark);
    border: 1px solid var(--accent);
    border-radius: 4px;
    padding: 2px 10px;
    font-size: 12px;
    font-weight: 500;
}
.meta-dot {
    color: var(--border);
    font-size: 14px;
}
.meta-date {
    color: var(--muted);
}
.meta-author {
    color: var(--muted);
}
/* ── 正文阅读区 ── */
.article-body-wrap {
    padding: 56px 0 24px;
    background: var(--white);
}
.article-body {
    max-width: 760px;
    margin: 0 auto;
    font-size: 16px;
    line-height: 1.9;
    color: var(--text);
}
.article-body h2 {
    font-family: 'Noto Serif SC', 'Songti SC', serif;
    font-size: 26px;
    font-weight: 600;
    color: var(--primary);
    margin: 40px 0 16px;
    line-height: 1.4;
}
.article-body h3 {
    font-family: 'Noto Sans SC', sans-serif;
    font-size: 18px;
    font-weight: 600;
    color: var(--primary);
    margin: 32px 0 12px;
    line-height: 1.5;
}
.article-body p {
    margin-bottom: 24px;
    color: var(--text);
}
.article-body blockquote {
    border-left: 3px solid var(--accent);
    background: var(--bg-deep);
    padding: 20px 24px;
    border-radius: 0 12px 12px 0;
    margin: 28px 0;
    font-size: 15px;
    color: var(--muted);
    line-height: 1.8;
}
.article-body blockquote p {
    margin-bottom: 0;
    color: var(--muted);
}
.article-body img {
    border-radius: var(--radius-md);
    width: 100%;
    margin: 24px 0;
}
.article-body figure figcaption {
    text-align: center;
    font-size: 13px;
    color: var(--muted);
    margin-top: -16px;
    margin-bottom: 24px;
}
.article-body ul {
    margin: 20px 0 24px;
    padding-left: 0;
    list-style: none;
}
.article-body ul li {
    position: relative;
    padding-left: 22px;
    margin-bottom: 10px;
}
.article-body ul li::before {
    content: '';
    position: absolute;
    left: 4px;
    top: 13px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
}
.article-body ol {
    margin: 20px 0 24px;
    padding-left: 0;
    list-style: none;
    counter-reset: milano-ol;
}
.article-body ol li {
    position: relative;
    padding-left: 28px;
    margin-bottom: 10px;
    counter-increment: milano-ol;
}
.article-body ol li::before {
    content: counter(milano-ol);
    position: absolute;
    left: 0;
    top: 1px;
    font-family: 'Playfair Display', 'Noto Serif SC', serif;
    font-size: 15px;
    font-weight: 700;
    color: var(--accent);
}
.article-body a {
    color: var(--accent-dark);
    border-bottom: 1px solid rgba(198, 166, 100, 0.4);
    padding-bottom: 1px;
}
.article-body a:hover {
    border-bottom-color: var(--accent);
}
.article-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 24px 0;
    font-size: 14px;
}
.article-body table th {
    background: var(--bg-deep);
    border: 1px solid var(--border);
    padding: 12px 16px;
    text-align: left;
    font-weight: 600;
    color: var(--primary);
}
.article-body table td {
    border: 1px solid var(--border);
    padding: 12px 16px;
    color: var(--text);
}
.article-body table tr:nth-child(even) td {
    background: #FAF8F4;
}
.article-body hr {
    border: none;
    height: 1px;
    background: var(--border);
    margin: 36px 0;
}
/* ── 标签区 ── */
.article-tags-section {
    padding: 36px 0 56px;
    background: var(--bg-deep);
}
.article-tags {
    max-width: 760px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
}
.article-tags-label {
    font-size: 13px;
    color: var(--muted);
    margin-right: 4px;
}
/* ── 上一篇 / 下一篇 ── */
.article-pagination-section {
    padding: 48px 0;
    background: var(--bg);
}
.article-pagination {
    max-width: 760px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}
.pagination-item {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 24px 28px;
    transition: var(--transition);
}
.pagination-item:hover {
    border-color: var(--accent);
    box-shadow: var(--shadow-hover);
}
.pagination-item.next {
    text-align: right;
}
.pagination-label {
    display: block;
    font-size: 12px;
    color: var(--muted);
    margin-bottom: 8px;
    letter-spacing: 0.05em;
}
.pagination-item a {
    font-family: 'Noto Serif SC', serif;
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    line-height: 1.5;
    transition: var(--transition);
}
.pagination-item a:hover {
    color: var(--primary);
}
/* ── 相关推荐 ── */
.related-section {
    padding: var(--space-section) 0;
    background: var(--bg);
}
.section-head {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 40px;
}
.section-head h2 {
    font-family: 'Noto Serif SC', 'Songti SC', serif;
    font-size: 30px;
    font-weight: 600;
    color: var(--primary);
    margin: 0;
    letter-spacing: 0.02em;
}
.section-head-line {
    width: 40px;
    height: 2px;
    background: var(--accent);
    border-radius: 2px;
    flex-shrink: 0;
}
.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}
.related-card {
    background: var(--bg);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition);
}
.related-card-img {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    aspect-ratio: 16/10;
    margin-bottom: 20px;
}
.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-img .img-fallback {
    width: 100%;
    height: 100%;
    background: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Playfair Display', serif;
    font-size: 40px;
    color: var(--accent);
}
.related-card-img .member-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    background: var(--primary);
    color: var(--accent);
    font-size: 11px;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 4px;
    letter-spacing: 0.04em;
}
.related-card .card-title {
    font-family: 'Noto Serif SC', serif;
    font-size: 18px;
    font-weight: 600;
    color: var(--text);
    line-height: 1.5;
    margin-bottom: 10px;
    transition: var(--transition);
}
.related-card .card-title:hover {
    color: var(--primary);
}
.related-card .card-excerpt {
    font-size: 14px;
    color: var(--muted);
    line-height: 1.7;
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.related-card .card-meta {
    font-size: 12px;
    color: var(--muted);
    display: flex;
    align-items: center;
    gap: 8px;
}
.related-card .card-cat {
    color: var(--accent-dark);
    font-weight: 500;
}
/* ── 会员 CTA ── */
.member-cta {
    padding: 72px 0;
    background: var(--primary);
    position: relative;
    overflow: hidden;
}
.member-cta::before {
    content: '';
    position: absolute;
    top: -80px;
    right: -80px;
    width: 260px;
    height: 260px;
    border-radius: 50%;
    background: rgba(198, 166, 100, 0.08);
    pointer-events: none;
}
.member-cta-inner {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}
.member-cta h2 {
    font-family: 'Noto Serif SC', 'Songti SC', serif;
    font-size: 32px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 12px;
    letter-spacing: 0.02em;
}
.member-cta .cta-sub {
    font-size: 14px;
    color: var(--accent);
    letter-spacing: 0.06em;
    margin-bottom: 28px;
    font-weight: 400;
}
.member-cta .btn-accent {
    min-width: 180px;
    padding: 14px 40px;
    font-size: 16px;
}
/* ── 未找到 ── */
.not-found-section {
    padding: 120px 0;
    min-height: 50vh;
    display: flex;
    align-items: center;
    background: var(--bg);
}
.not-found-box {
    max-width: 480px;
    margin: 0 auto;
    text-align: center;
    background: var(--bg-deep);
    border-radius: var(--radius-md);
    padding: 48px 40px;
}
.not-found-box i {
    font-size: 40px;
    color: var(--accent);
    margin-bottom: 20px;
}
.not-found-box h2 {
    font-family: 'Noto Serif SC', serif;
    font-size: 24px;
    color: var(--primary);
    margin-bottom: 12px;
}
.not-found-box p {
    font-size: 14px;
    color: var(--muted);
    margin-bottom: 24px;
}
/* ── Footer ── */
.site-footer {
    background: var(--primary-dark);
    color: #B8C4C0;
    border-top: 2px solid var(--accent);
    padding: 64px 0 32px;
    font-size: 14px;
}
.site-footer .container-custom {}
.footer-brand {
    text-align: center;
    margin-bottom: 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}
.footer-brand .cn {
    font-family: 'Noto Serif SC', serif;
    font-size: 24px;
    color: #E8E1D5;
    letter-spacing: 0.06em;
    font-weight: 600;
}
.footer-brand .en {
    font-size: 10px;
    letter-spacing: 0.3em;
    color: var(--accent);
    text-transform: uppercase;
}
.footer-cols {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(184, 196, 192, 0.12);
    margin-bottom: 24px;
}
.footer-col h4 {
    font-size: 14px;
    font-weight: 600;
    color: #E8E1D5;
    margin-bottom: 16px;
    letter-spacing: 0.05em;
}
.footer-col ul {
    list-style: none;
    padding: 0;
    margin: 0;
}
.footer-col li {
    margin-bottom: 10px;
}
.footer-col a {
    color: #B8C4C0;
    font-size: 14px;
    transition: var(--transition);
}
.footer-col a:hover {
    color: var(--accent);
}
.footer-social {
    display: flex;
    gap: 12px;
    margin-top: 12px;
}
.footer-social a {
    width: 36px;
    height: 36px;
    border: 1px solid rgba(184, 196, 192, 0.3);
    border-radius: 8px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    color: #B8C4C0;
    transition: var(--transition);
}
.footer-social a:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--primary);
}
.footer-bottom {
    text-align: center;
    font-size: 13px;
    color: rgba(184, 196, 192, 0.6);
}
.footer-bottom a {
    color: rgba(184, 196, 192, 0.6);
}
.footer-bottom a:hover {
    color: var(--accent);
}
/* ── 响应式 ── */
@media (max-width: 992px) {
    .header-nav {
        gap: 20px;
    }
    .header-nav a {
        font-size: 14px;
    }
    .brand-logo .cn {
        font-size: 18px;
    }
    .related-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 768px) {
    :root {
        --space-section: 56px;
    }
    .site-header {
        height: 64px;
    }
    .header-inner {
        height: 64px;
        display: flex;
    }
    .nav-left {
        display: none;
    }
    .nav-right {
        display: none !important;
    }
    .brand-logo {
        margin: 0;
        text-align: left;
    }
    .brand-logo .cn {
        font-size: 17px;
    }
    .nav-toggle {
        display: flex;
        margin-left: auto;
    }
    .article-head {
        padding: 40px 0 28px;
    }
    .article-title {
        font-size: 28px;
        line-height: 1.3;
    }
    .article-body-wrap {
        padding: 40px 0 16px;
    }
    .article-body {
        font-size: 15px;
        line-height: 1.85;
    }
    .article-body h2 {
        font-size: 22px;
    }
    .article-body h3 {
        font-size: 17px;
    }
    .article-pagination {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    .pagination-item.next {
        text-align: left;
    }
    .related-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .member-cta {
        padding: 56px 0;
    }
    .member-cta h2 {
        font-size: 26px;
    }
    .footer-cols {
        grid-template-columns: 1fr;
        gap: 24px;
    }
}
@media (max-width: 520px) {
    .container-custom {
        padding: 0 20px;
    }
    .brand-logo .en {
        font-size: 8px;
        letter-spacing: 0.2em;
    }
    .article-tags {
        gap: 8px;
    }
    .related-card .card-title {
        font-size: 17px;
    }
}
@media (min-width: 769px) {
    .mobile-menu {
        display: none !important;
    }
}

/* roulang page: category3 */
:root {
            --primary: #1F3A33;
            --primary-dark: #162A25;
            --accent: #C6A664;
            --accent-dark: #B89250;
            --bg: #F8F5F0;
            --card-bg: #FFFFFF;
            --text: #1C1C1C;
            --text-secondary: #6F6F6F;
            --border: #E5DDCF;
            --tint: #F1ECE3;
            --terracotta: #A65E3E;
            --radius-sm: 6px;
            --radius: 12px;
            --radius-pill: 999px;
            --shadow-hover: 0 8px 30px rgba(31, 58, 51, 0.08);
            --shadow-float: 0 12px 40px rgba(31, 58, 51, 0.15);
            --section-space: 96px;
            --transition: all .3s ease-out;
            --font-serif: "Playfair Display", "Noto Serif SC", Georgia, "Songti SC", SimSun, serif;
            --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
        }

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

        html {
            -webkit-text-size-adjust: 100%;
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.8;
            background: var(--bg);
            color: var(--text);
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            display: block;
        }

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

        a:hover {
            color: var(--accent-dark);
        }

        ul,
        ol {
            list-style: none;
        }

        button {
            font-family: inherit;
            cursor: pointer;
        }

        a:focus-visible,
        button:focus-visible,
        .accordion-button:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }

        .container-custom {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .section-block {
            padding: var(--section-space) 0;
        }

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

        .section-rule {
            display: block;
            width: 40px;
            height: 2px;
            background: var(--accent);
            margin-bottom: 18px;
            border-radius: 2px;
        }

        .section-head h2 {
            font-family: var(--font-serif);
            font-size: 30px;
            font-weight: 600;
            line-height: 1.3;
            color: var(--text);
            letter-spacing: .01em;
        }

        .section-head p {
            margin-top: 10px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        .section-tint {
            background: var(--tint);
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(248, 245, 240, .85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid transparent;
            transition: border-color .3s, box-shadow .3s;
        }

        .site-header.scrolled {
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 20px rgba(31, 58, 51, .05);
        }

        .header-inner {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }

        .header-nav {
            display: flex;
            align-items: center;
            gap: 28px;
        }

        .header-nav a {
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            position: relative;
            padding: 6px 0;
            white-space: nowrap;
        }

        .header-nav a::after {
            content: "";
            position: absolute;
            left: 50%;
            bottom: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            transform: translateX(-50%);
            transition: width .3s ease-out;
            border-radius: 2px;
        }

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

        .header-nav a:hover::after,
        .header-nav a.active::after {
            width: 20px;
        }

        .header-nav a.active {
            color: var(--primary);
        }

        .brand-logo {
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            text-align: center;
            line-height: 1.2;
        }

        .brand-cn {
            display: block;
            font-family: var(--font-serif);
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: .04em;
        }

        .brand-en {
            display: block;
            font-size: 10px;
            letter-spacing: .32em;
            color: var(--accent-dark);
            text-transform: uppercase;
            margin-top: 2px;
        }

        .btn-gold {
            display: inline-block;
            background: var(--accent);
            color: var(--text);
            border: 1px solid var(--accent);
            border-radius: var(--radius-pill);
            padding: 10px 28px;
            font-size: 14px;
            font-weight: 600;
            transition: var(--transition);
            min-height: 44px;
            line-height: 1.5;
        }

        .btn-gold:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            color: var(--text);
            transform: translateY(-1px);
            box-shadow: var(--shadow-float);
        }

        .btn-outline-gold {
            display: inline-block;
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--accent);
            border-radius: var(--radius-pill);
            padding: 10px 28px;
            font-size: 14px;
            font-weight: 600;
            transition: var(--transition);
            min-height: 44px;
            line-height: 1.5;
        }

        .btn-outline-gold:hover {
            background: rgba(198, 166, 100, .08);
            color: var(--primary);
            border-color: var(--accent-dark);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 6px;
            background: none;
            border: none;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            z-index: 1102;
        }

        .nav-toggle span {
            width: 22px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: var(--transition);
        }

        .nav-toggle.active span:nth-child(1) {
            transform: translateY(4px) rotate(45deg);
        }

        .nav-toggle.active span:nth-child(2) {
            transform: translateY(-4px) rotate(-45deg);
        }

        .mobile-menu {
            position: fixed;
            inset: 0;
            background: var(--bg);
            z-index: 1101;
            display: flex;
            flex-direction: column;
            padding: 88px 32px 40px;
            opacity: 0;
            visibility: hidden;
            transition: opacity .3s ease-out, visibility .3s;
            overflow-y: auto;
        }

        .mobile-menu.open {
            opacity: 1;
            visibility: visible;
        }

        .mobile-menu-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 32px;
        }

        .nav-close {
            width: 44px;
            height: 44px;
            border: 1px solid var(--border);
            background: transparent;
            border-radius: 50%;
            font-size: 20px;
            color: var(--text);
            transition: var(--transition);
        }

        .nav-close:hover {
            border-color: var(--accent);
            color: var(--accent-dark);
            transform: rotate(90deg);
        }

        .mobile-nav {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .mobile-nav a {
            font-family: var(--font-serif);
            font-size: 28px;
            font-weight: 600;
            color: var(--text);
            border-bottom: 1px solid var(--border);
            padding-bottom: 14px;
        }

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

        .mobile-menu-cta {
            margin-top: 40px;
            text-align: center;
        }

        /* ===== Page Hero ===== */
        .page-hero {
            position: relative;
            min-height: 400px;
            display: flex;
            align-items: center;
            padding: 96px 0 72px;
            color: #fff;
            overflow: hidden;
        }

        .page-hero-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
        }

        .page-hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(31, 58, 51, .9), rgba(31, 58, 51, .55));
        }

        .page-hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
        }

        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, .7);
            margin-bottom: 24px;
        }

        .breadcrumb-nav a {
            color: rgba(255, 255, 255, .85);
            transition: var(--transition);
        }

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

        .breadcrumb-nav .current {
            color: var(--accent);
        }

        .page-hero-title {
            font-family: var(--font-serif);
            font-size: 48px;
            font-weight: 600;
            line-height: 1.2;
            letter-spacing: .01em;
            max-width: 800px;
            margin-bottom: 16px;
        }

        .page-hero-desc {
            font-size: 16px;
            line-height: 1.8;
            color: rgba(255, 255, 255, .9);
            max-width: 560px;
            margin-bottom: 28px;
        }

        .page-hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .hero-tag {
            display: inline-block;
            border: 1px solid rgba(198, 166, 100, .6);
            color: var(--accent);
            border-radius: var(--radius-pill);
            padding: 5px 18px;
            font-size: 13px;
            letter-spacing: .03em;
            background: rgba(31, 58, 51, .3);
        }

        /* ===== Numbered List ===== */
        .numbered-list {
            display: grid;
            grid-template-columns: 1fr;
            border-top: 1px solid var(--border);
        }

        .numbered-card {
            display: grid;
            grid-template-columns: 140px 1fr;
            gap: 36px;
            align-items: start;
            padding: 36px 12px;
            border-bottom: 1px solid var(--border);
            transition: background .3s ease;
        }

        .numbered-card:hover {
            background: rgba(198, 166, 100, .04);
        }

        .numeric {
            font-family: var(--font-serif);
            font-size: 56px;
            font-weight: 600;
            line-height: 1;
            color: var(--accent);
            letter-spacing: .01em;
        }

        .numbered-body {
            max-width: 720px;
        }

        .numbered-body h3 {
            font-family: var(--font-serif);
            font-size: 22px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .numbered-body p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 12px;
        }

        .badge-row {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 10px;
        }

        .badge-tier {
            display: inline-block;
            font-size: 11px;
            font-weight: 600;
            background: var(--primary);
            color: #fff;
            padding: 3px 12px;
            border-radius: var(--radius-sm);
            letter-spacing: .04em;
            line-height: 1.6;
        }

        .badge-tier.gold-badge {
            background: var(--accent);
            color: var(--text);
        }

        .badge-tier.obsidian-badge {
            background: #2E2A24;
            color: #E8E1D5;
        }

        .badge-tier:has(.gold-badge) {
            background: var(--accent);
        }

        /* ===== Exclusive Cards ===== */
        .exclusive-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .exclusive-card {
            position: relative;
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: var(--transition);
        }

        .exclusive-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: var(--accent);
        }

        .exclusive-thumb {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: var(--primary);
        }

        .exclusive-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease-out;
        }

        .exclusive-card:hover .exclusive-thumb img {
            transform: scale(1.03);
        }

        .exclusive-thumb::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(31, 58, 51, .35), transparent 60%);
            pointer-events: none;
        }

        .exclusive-card.locked .exclusive-thumb::after {
            background: rgba(31, 58, 51, .5);
        }

        .lock-mark {
            position: absolute;
            inset: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 2;
            color: #fff;
            font-size: 28px;
            background: rgba(31, 58, 51, .2);
        }

        .exclusive-body {
            padding: 24px;
        }

        .exclusive-body .badge-tier {
            margin-bottom: 12px;
        }

        .exclusive-body h3 {
            font-family: var(--font-serif);
            font-size: 18px;
            font-weight: 600;
            line-height: 1.45;
            color: var(--text);
            margin-bottom: 8px;
        }

        .exclusive-body p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 0;
        }

        /* ===== Tier Cards ===== */
        .tiers-grid {
            display: grid;
            grid-template-columns: 1fr 1.25fr 1fr;
            gap: 24px;
            align-items: stretch;
        }

        .tier-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 32px 28px;
            display: flex;
            flex-direction: column;
            transition: var(--transition);
            position: relative;
        }

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

        .tier-card.featured {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            transform: translateY(-6px);
            box-shadow: var(--shadow-float);
        }

        .tier-card.featured:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-float);
        }

        .tier-recommend {
            position: absolute;
            top: -12px;
            right: 20px;
            background: var(--accent);
            color: var(--text);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 16px;
            border-radius: var(--radius-pill);
            letter-spacing: .04em;
        }

        .tier-head {
            text-align: center;
            margin-bottom: 20px;
        }

        .tier-head .tier-icon {
            font-size: 30px;
            color: var(--accent);
            margin-bottom: 10px;
        }

        .tier-card.featured .tier-icon {
            color: var(--accent);
        }

        .tier-head h3 {
            font-family: var(--font-serif);
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 4px;
        }

        .tier-head .tier-sub {
            font-size: 13px;
            color: var(--text-secondary);
        }

        .tier-card.featured .tier-sub {
            color: rgba(255, 255, 255, .7);
        }

        .tier-features {
            flex: 1;
            margin-bottom: 20px;
        }

        .tier-features li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            line-height: 1.7;
            padding: 6px 0;
            color: var(--text);
        }

        .tier-card.featured .tier-features li {
            color: rgba(255, 255, 255, .92);
        }

        .tier-features li i {
            color: var(--accent);
            font-size: 12px;
            margin-top: 5px;
            flex-shrink: 0;
        }

        .tier-card.featured .tier-features li i {
            color: var(--accent);
        }

        .tier-price {
            text-align: center;
            border-top: 1px solid var(--border);
            padding-top: 20px;
        }

        .tier-card.featured .tier-price {
            border-top-color: rgba(198, 166, 100, .4);
        }

        .tier-price .price-num {
            font-family: var(--font-serif);
            font-size: 36px;
            font-weight: 700;
            color: var(--text);
            line-height: 1;
        }

        .tier-card.featured .price-num {
            color: var(--accent);
        }

        .tier-price .price-unit {
            font-size: 13px;
            color: var(--text-secondary);
            margin-left: 4px;
        }

        .tier-card.featured .price-unit {
            color: rgba(255, 255, 255, .6);
        }

        .tier-link {
            display: block;
            text-align: center;
            margin-top: 16px;
            font-size: 14px;
            color: var(--accent-dark);
            font-weight: 500;
        }

        .tier-card.featured .tier-link {
            color: var(--accent);
        }

        /* ===== Steps ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .step-card {
            position: relative;
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 36px 28px;
            transition: var(--transition);
        }

        .step-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--accent);
        }

        .step-num {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--accent);
            color: var(--text);
            font-family: var(--font-serif);
            font-size: 16px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
        }

        .step-card h3 {
            font-family: var(--font-serif);
            font-size: 18px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 6px;
        }

        .step-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0;
        }

        /* ===== FAQ ===== */
        .faq-section .container-custom {
            max-width: 860px;
        }

        .accordion {
            --bs-accordion-border-width: 0;
            --bs-accordion-btn-focus-box-shadow: none;
            --bs-accordion-active-bg: transparent;
            --bs-accordion-active-color: var(--primary);
        }

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

        .accordion-button {
            background: transparent;
            color: var(--text);
            font-size: 16px;
            font-weight: 500;
            padding: 18px 40px 18px 0;
            box-shadow: none;
            border: none;
            line-height: 1.5;
            transition: var(--transition);
        }

        .accordion-button.not-collapsed,
        .accordion-button:not(.collapsed) {
            background: transparent;
            color: var(--primary);
            box-shadow: none;
        }

        .accordion-button::after {
            content: "+";
            background: none;
            font-size: 24px;
            font-weight: 300;
            color: var(--accent);
            transition: transform .25s ease;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            line-height: 1;
        }

        .accordion-button:not(.collapsed)::after {
            transform: rotate(45deg);
            background: none;
            color: var(--accent-dark);
        }

        .accordion-button:focus {
            box-shadow: none;
            border-color: var(--accent);
        }

        .accordion-body {
            padding: 0 0 22px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 760px;
        }

        /* ===== Light CTA ===== */
        .cta-section {
            padding-bottom: var(--section-space);
        }

        .cta-light {
            background: var(--card-bg);
            border: 1px solid var(--accent);
            border-radius: 16px;
            padding: 64px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-light::before {
            content: "";
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(198, 166, 100, .1);
            pointer-events: none;
        }

        .cta-light h2 {
            font-family: var(--font-serif);
            font-size: 32px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .cta-light p {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 24px;
        }

        .cta-price {
            display: flex;
            align-items: baseline;
            justify-content: center;
            gap: 6px;
            margin-bottom: 28px;
        }

        .cta-price .price-num {
            font-family: var(--font-serif);
            font-size: 56px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1;
        }

        .cta-price .price-unit {
            font-size: 14px;
            color: var(--accent-dark);
            font-weight: 500;
        }

        .cta-light .btn-gold {
            padding: 14px 44px;
            font-size: 16px;
            position: relative;
            overflow: hidden;
            z-index: 1;
        }

        .cta-light .btn-gold::before {
            content: "";
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, .35), transparent);
            transition: left .5s ease;
            z-index: -1;
        }

        .cta-light .btn-gold:hover::before {
            left: 100%;
        }

        .cta-dots {
            display: flex;
            justify-content: center;
            gap: 28px;
            margin-top: 28px;
            flex-wrap: wrap;
        }

        .cta-dots span {
            font-size: 13px;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .cta-dots span::before {
            content: "";
            width: 5px;
            height: 5px;
            border-radius: 50%;
            background: var(--accent);
            flex-shrink: 0;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary);
            color: #B8C4C0;
            border-top: 2px solid var(--accent);
            padding: 72px 0 32px;
        }

        .footer-brand {
            text-align: center;
            margin-bottom: 48px;
        }

        .footer-brand .cn {
            display: block;
            font-family: var(--font-serif);
            font-size: 32px;
            font-weight: 700;
            color: #fff;
            letter-spacing: .04em;
            line-height: 1.3;
        }

        .footer-brand .en {
            display: block;
            font-size: 12px;
            letter-spacing: .32em;
            color: var(--accent);
            text-transform: uppercase;
            margin-top: 6px;
        }

        .footer-cols {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 40px;
            margin-bottom: 48px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-col h4::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 24px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

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

        .footer-col ul li {
            font-size: 14px;
            line-height: 2;
            color: #B8C4C0;
        }

        .footer-col ul li a {
            color: #B8C4C0;
            transition: var(--transition);
        }

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

        .footer-social {
            display: flex;
            gap: 12px;
            margin-top: 14px;
        }

        .footer-social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border: 1px solid rgba(255, 255, 255, .2);
            border-radius: 8px;
            color: #B8C4C0;
            font-size: 15px;
            transition: var(--transition);
        }

        .footer-social a:hover {
            border-color: var(--accent);
            background: var(--accent);
            color: var(--text);
            transform: translateY(-2px);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
            padding-top: 24px;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, .5);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, .6);
        }

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

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .header-nav {
                gap: 18px;
            }

            .tiers-grid {
                grid-template-columns: 1fr 1.2fr 1fr;
                gap: 16px;
            }

            .tier-card {
                padding: 28px 18px;
            }

            .exclusive-grid {
                gap: 16px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-space: 56px;
            }

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

            .nav-left,
            .nav-right {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

            .brand-cn {
                font-size: 17px;
            }

            .brand-en {
                font-size: 9px;
            }

            .page-hero {
                min-height: 360px;
                padding: 72px 0 56px;
            }

            .page-hero-title {
                font-size: 32px;
            }

            .page-hero-desc {
                font-size: 14px;
            }

            .numbered-card {
                grid-template-columns: 80px 1fr;
                gap: 20px;
                padding: 28px 8px;
            }

            .numeric {
                font-size: 40px;
            }

            .numbered-body h3 {
                font-size: 18px;
            }

            .numbered-body p {
                font-size: 14px;
            }

            .exclusive-grid {
                grid-template-columns: repeat(3, minmax(280px, 85%));
                overflow-x: auto;
                scroll-snap-type: x mandatory;
                padding: 4px 4px 16px;
                scrollbar-width: none;
                -ms-overflow-style: none;
            }

            .exclusive-grid::-webkit-scrollbar {
                display: none;
            }

            .exclusive-card {
                scroll-snap-align: start;
            }

            .tiers-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .tier-card.featured {
                transform: none;
                order: -1;
            }

            .tier-card.featured:hover {
                transform: none;
            }

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

            .cta-light {
                padding: 44px 24px;
            }

            .cta-light h2 {
                font-size: 26px;
            }

            .cta-price .price-num {
                font-size: 44px;
            }

            .footer-cols {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .footer-brand {
                margin-bottom: 40px;
            }
        }

        @media (max-width: 520px) {
            .container-custom {
                padding: 0 16px;
            }

            .page-hero-title {
                font-size: 28px;
            }

            .brand-cn {
                font-size: 15px;
            }

            .numbered-card {
                grid-template-columns: 1fr;
                gap: 12px;
            }

            .numeric {
                font-size: 34px;
            }

            .numbered-body h3 {
                font-size: 17px;
            }

            .exclusive-grid {
                grid-template-columns: repeat(3, minmax(260px, 90%));
            }

            .cta-dots {
                flex-direction: column;
                gap: 8px;
            }

            .cta-light .btn-gold {
                width: 100%;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #1F3A33;
            --primary-dark: #162A24;
            --gold: #C6A664;
            --gold-dark: #B89250;
            --bg: #F8F5F0;
            --white: #FFFFFF;
            --light-gray: #F1ECE3;
            --text: #1C1C1C;
            --text-muted: #6F6F6F;
            --border: #E5DDCF;
            --accent: #A65E3E;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-pill: 999px;
            --shadow-hover: 0 8px 30px rgba(31, 58, 51, 0.08);
            --shadow-float: 0 12px 40px rgba(31, 58, 51, 0.15);
            --font-serif: 'Playfair Display', 'Noto Serif SC', Georgia, 'Songti SC', SimSun, serif;
            --font-sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', -apple-system, sans-serif;
            --header-h: 72px;
            --container: 1200px;
            --section-space: 96px;
        }

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

        html {
            -webkit-text-size-adjust: 100%;
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        body.menu-open {
            overflow: hidden;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: var(--gold-dark);
        }

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

        h1, h2, h3, h4, h5, h6 {
            margin-top: 0;
            line-height: 1.3;
        }
        p {
            margin-top: 0;
        }

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

        .btn {
            border-radius: var(--radius-pill);
            padding: 12px 32px;
            font-size: 16px;
            font-weight: 500;
            min-height: 44px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border: 1px solid transparent;
            transition: background 0.3s ease, color 0.3s ease, border-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
            line-height: 1.4;
            cursor: pointer;
        }
        .btn-gold {
            background: var(--gold);
            color: var(--text);
            border-radius: var(--radius-pill);
            padding: 12px 40px;
            font-size: 16px;
            font-weight: 500;
            min-height: 44px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border: none;
            transition: background 0.3s ease, color 0.3s ease, transform 0.3s ease;
        }
        .btn-gold:hover {
            background: var(--gold-dark);
            color: #fff;
            transform: translateY(-1px);
        }
        .btn-gold:active {
            transform: translateY(0);
        }
        .btn-gold:focus-visible,
        .btn-member:focus-visible,
        .faq-question:focus-visible,
        .navbar-toggler:focus-visible,
        a:focus-visible {
            outline: 2px solid var(--gold);
            outline-offset: 2px;
        }

        .btn-member {
            background: var(--gold);
            color: var(--text);
            border-radius: var(--radius-pill);
            padding: 8px 22px;
            font-size: 14px;
            font-weight: 500;
            min-height: 40px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            transition: background 0.3s ease, color 0.3s ease, transform 0.3s ease;
            border: none;
            white-space: nowrap;
        }
        .btn-member:hover {
            background: var(--gold-dark);
            color: #fff;
            transform: translateY(-1px);
            text-decoration: none;
        }
        .btn-member:active {
            transform: translateY(0);
        }

        /* —— Header —— */
        .site-header {
            position: sticky;
            top: 0;
            width: 100%;
            height: var(--header-h);
            background: rgba(248, 245, 240, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid transparent;
            z-index: 1000;
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
        }
        .site-header.scrolled {
            border-color: var(--border);
            box-shadow: 0 2px 20px rgba(31, 58, 51, 0.05);
        }

        .header-inner {
            display: grid;
            grid-template-columns: 1fr auto 1fr;
            align-items: center;
            height: 100%;
        }

        .header-nav {
            display: flex;
            align-items: center;
            gap: 28px;
        }
        .nav-left {
            justify-content: flex-start;
        }
        .nav-right {
            justify-content: flex-end;
        }
        .header-nav a:not(.btn-member) {
            font-size: 15px;
            font-family: var(--font-sans);
            font-weight: 500;
            color: var(--text);
            text-decoration: none;
            position: relative;
            padding: 6px 0;
            transition: color 0.3s ease;
            white-space: nowrap;
        }
        .header-nav a:not(.btn-member):hover {
            color: var(--gold-dark);
            text-decoration: none;
        }
        .header-nav a.active:not(.btn-member)::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--gold);
            border-radius: 2px;
        }

        .header-logo-link {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            line-height: 1.2;
            text-decoration: none;
            padding: 4px 0;
            transition: opacity 0.3s ease;
        }
        .header-logo-link:hover {
            opacity: 0.85;
            text-decoration: none;
        }
        .logo-cn {
            font-family: var(--font-serif);
            font-size: 22px;
            font-weight: 600;
            color: var(--primary);
            letter-spacing: 0.02em;
        }
        .logo-en {
            font-size: 10px;
            letter-spacing: 0.28em;
            color: var(--gold-dark);
            text-transform: uppercase;
            margin-top: 2px;
        }

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

        .navbar-toggler {
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 6px;
            width: 44px;
            height: 44px;
            background: transparent;
            border: none;
            padding: 10px;
            cursor: pointer;
            z-index: 1002;
            transition: opacity 0.3s ease;
        }
        .navbar-toggler .toggle-line {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text);
            border-radius: 2px;
            transition: transform 0.3s ease, opacity 0.3s ease, background 0.3s ease;
        }
        .navbar-toggler.active .toggle-line:first-child {
            transform: translateY(4px) rotate(45deg);
            background: var(--gold-dark);
        }
        .navbar-toggler.active .toggle-line:last-child {
            transform: translateY(-4px) rotate(-45deg);
            background: var(--gold-dark);
        }

        /* Mobile menu */
        .mobile-menu {
            position: fixed;
            left: 0;
            right: 0;
            top: var(--header-h);
            bottom: 0;
            background: var(--bg);
            z-index: 999;
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s ease, visibility 0.3s ease;
        }
        .mobile-menu.open {
            opacity: 1;
            visibility: visible;
        }
        .mobile-menu nav {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 28px;
            padding: 32px 24px;
            text-align: center;
        }
        .mobile-menu a:not(.btn-member) {
            font-family: var(--font-serif);
            font-size: 26px;
            color: var(--text);
            text-decoration: none;
            transition: color 0.3s ease;
            padding: 4px 0;
        }
        .mobile-menu a:not(.btn-member):hover {
            color: var(--gold-dark);
        }
        .mobile-menu a.active:not(.btn-member) {
            color: var(--gold-dark);
        }
        .mobile-menu .btn-member {
            margin-top: 16px;
            font-size: 15px;
            padding: 12px 36px;
        }

        /* —— Page Hero —— */
        .page-hero {
            position: relative;
            padding: 160px 0 88px;
            background:
                linear-gradient(to bottom, rgba(31, 58, 51, 0.88) 0%, rgba(31, 58, 51, 0.72) 100%),
                url('/assets/images/backpic/back-1.png') center / cover no-repeat;
            text-align: center;
            color: #fff;
        }
        .hero-badge {
            display: inline-block;
            padding: 6px 18px;
            border: 1px solid rgba(198, 166, 100, 0.6);
            border-radius: var(--radius-pill);
            font-size: 12px;
            letter-spacing: 0.18em;
            color: var(--gold);
            margin-bottom: 20px;
            text-transform: uppercase;
            background: rgba(31, 58, 51, 0.3);
        }
        .page-hero h1 {
            font-family: var(--font-serif);
            font-size: 48px;
            font-weight: 600;
            letter-spacing: 0.01em;
            color: #fff;
            margin: 0 0 16px;
            line-height: 1.2;
        }
        .hero-subtitle {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.88);
            max-width: 560px;
            margin: 0 auto;
            line-height: 1.8;
        }
        .breadcrumb-custom {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 24px;
        }
        .breadcrumb-custom a {
            color: rgba(255, 255, 255, 0.8);
            text-decoration: none;
            transition: color 0.3s ease;
        }
        .breadcrumb-custom a:hover {
            color: var(--gold);
        }
        .breadcrumb-custom i {
            font-size: 10px;
            color: rgba(255, 255, 255, 0.5);
        }
        .breadcrumb-custom span {
            color: var(--gold);
        }

        /* —— Section head —— */
        .section-head {
            text-align: center;
            margin-bottom: 56px;
        }
        .section-head .overline {
            display: inline-flex;
            align-items: center;
            gap: 14px;
            font-size: 12px;
            letter-spacing: 0.22em;
            color: var(--gold-dark);
            text-transform: uppercase;
            margin-bottom: 14px;
            font-weight: 500;
        }
        .section-head .overline::before,
        .section-head .overline::after {
            content: '';
            width: 40px;
            height: 2px;
            background: var(--gold);
        }
        .section-head h2 {
            font-family: var(--font-serif);
            font-size: 30px;
            font-weight: 600;
            color: var(--text);
            margin: 0;
            line-height: 1.3;
        }
        .section-head p {
            margin-top: 12px;
            font-size: 15px;
            color: var(--text-muted);
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }

        /* —— Timeline section —— */
        .timeline-section {
            padding: var(--section-space) 0;
            background: var(--bg);
        }

        .timeline-card {
            display: grid;
            grid-template-columns: 1.05fr 0.95fr;
            gap: 56px;
            align-items: center;
            margin-bottom: 64px;
        }
        .timeline-card:last-child {
            margin-bottom: 0;
        }
        .timeline-card:nth-child(even) .card-media {
            order: 2;
        }

        .card-media {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            aspect-ratio: 16 / 11;
            background: var(--primary);
            box-shadow: 0 4px 20px rgba(31, 58, 51, 0.06);
        }
        .card-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease-out;
        }
        .timeline-card:hover .card-media img {
            transform: scale(1.03);
        }
        .media-tag {
            position: absolute;
            left: 16px;
            bottom: 16px;
            background: rgba(31, 58, 51, 0.85);
            color: #fff;
            font-size: 12px;
            padding: 5px 14px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(198, 166, 100, 0.3);
            backdrop-filter: blur(4px);
            -webkit-backdrop-filter: blur(4px);
            letter-spacing: 0.03em;
        }

        .card-body {
            padding: 12px 0;
        }
        .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 14px;
        }
        .badge-cat {
            display: inline-block;
            font-size: 12px;
            color: var(--gold-dark);
            border: 1px solid var(--gold);
            border-radius: 4px;
            padding: 3px 10px;
            letter-spacing: 0.05em;
            line-height: 1.6;
            white-space: nowrap;
        }
        .card-date {
            font-size: 13px;
            color: var(--text-muted);
        }
        .timeline-card h3 {
            font-family: var(--font-serif);
            font-size: 24px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 12px;
            line-height: 1.4;
        }
        .timeline-card .card-body>p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 18px;
        }
        .link-more {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 500;
            color: var(--primary);
            text-decoration: none;
            position: relative;
            padding-bottom: 4px;
            transition: color 0.3s ease;
        }
        .link-more i {
            font-size: 12px;
            transition: transform 0.3s ease;
        }
        .link-more:hover {
            color: var(--gold-dark);
            text-decoration: none;
        }
        .link-more:hover i {
            transform: translateX(4px);
        }
        .link-more::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 1px;
            background: var(--gold-dark);
            transition: width 0.3s ease;
        }
        .link-more:hover::after {
            width: 100%;
        }

        /* —— Stats —— */
        .insight-stats {
            padding: 72px 0;
            background: var(--light-gray);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
        }
        .stat-item {
            text-align: center;
            padding: 24px 16px;
        }
        .stat-num {
            font-family: var(--font-serif);
            font-size: 40px;
            font-weight: 600;
            color: var(--primary);
            line-height: 1.2;
        }
        .stat-label {
            margin-top: 8px;
            font-size: 13px;
            color: var(--text-muted);
            letter-spacing: 0.06em;
        }

        /* —— Features —— */
        .feature-section {
            padding: var(--section-space) 0;
            background: var(--bg);
        }
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 40px;
        }
        .feature-item {
            padding: 36px 28px;
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            transition: box-shadow 0.3s ease, border-color 0.3s ease, transform 0.3s ease;
        }
        .feature-item:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--gold);
            transform: translateY(-2px);
        }
        .feature-icon {
            width: 52px;
            height: 52px;
            background: var(--primary);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gold);
            font-size: 20px;
            margin-bottom: 20px;
            transition: background 0.3s ease, color 0.3s ease;
        }
        .feature-item:hover .feature-icon {
            background: var(--gold);
            color: var(--primary);
        }
        .feature-item h3 {
            font-family: var(--font-serif);
            font-size: 20px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 10px;
        }
        .feature-item p {
            font-size: 14px;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.8;
        }

        /* —— FAQ —— */
        .faq-section {
            padding: var(--section-space) 0;
            background: var(--light-gray);
        }
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid var(--border);
            background: transparent;
        }
        .faq-item:first-child {
            border-top: 1px solid var(--border);
        }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            width: 100%;
            background: transparent;
            border: none;
            padding: 14px 8px;
            font-family: var(--font-sans);
            font-size: 16px;
            font-weight: 500;
            color: var(--text);
            min-height: 48px;
            cursor: pointer;
            text-align: left;
            transition: color 0.3s ease;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-icon {
            width: 24px;
            height: 24px;
            position: relative;
            flex-shrink: 0;
            margin-left: 16px;
        }
        .faq-icon::before,
        .faq-icon::after {
            content: '';
            position: absolute;
            background: var(--gold-dark);
            transition: transform 0.25s ease-out;
            border-radius: 1px;
        }
        .faq-icon::before {
            width: 2px;
            height: 12px;
            top: 6px;
            left: 11px;
        }
        .faq-icon::after {
            width: 12px;
            height: 2px;
            top: 11px;
            left: 6px;
        }
        .faq-item.active .faq-icon::before {
            transform: rotate(45deg);
        }
        .faq-item.active .faq-icon::after {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.25s ease-out, padding 0.25s ease-out;
            padding: 0 32px 0 8px;
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
        }
        .faq-answer p {
            margin-bottom: 0;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding-bottom: 20px;
        }

        /* —— CTA —— */
        .compact-cta {
            padding: 80px 0;
            background: #fff;
        }
        .compact-cta-box {
            max-width: 860px;
            margin: 0 auto;
            text-align: center;
            border: 1px solid var(--gold);
            border-radius: var(--radius-md);
            padding: 60px 48px;
            background: var(--white);
            box-shadow: 0 4px 24px rgba(31, 58, 51, 0.04);
        }
        .compact-cta-box h2 {
            font-family: var(--font-serif);
            font-size: 30px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 10px;
            line-height: 1.3;
        }
        .cta-note {
            font-size: 14px;
            color: var(--gold-dark);
            margin-bottom: 20px;
        }
        .cta-tags {
            display: flex;
            justify-content: center;
            gap: 24px;
            margin-bottom: 32px;
            flex-wrap: wrap;
        }
        .cta-tags span {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .cta-tags span::before {
            content: '';
            width: 5px;
            height: 5px;
            border-radius: 50%;
            background: var(--gold);
        }

        /* —— Footer —— */
        .site-footer {
            background: var(--primary);
            color: #fff;
            padding: 72px 0 32px;
            border-top: 2px solid var(--gold);
        }
        .footer-brand {
            text-align: center;
            margin-bottom: 48px;
            display: flex;
            flex-direction: column;
            align-items: center;
        }
        .footer-brand .cn {
            font-family: var(--font-serif);
            font-size: 28px;
            font-weight: 600;
            color: #fff;
            letter-spacing: 0.02em;
        }
        .footer-brand .en {
            font-size: 11px;
            letter-spacing: 0.3em;
            color: var(--gold);
            margin-top: 6px;
            text-transform: uppercase;
        }
        .footer-cols {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 40px;
            padding: 40px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 500;
            color: var(--gold);
            margin-bottom: 16px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
            font-size: 14px;
            color: #B8C4C0;
        }
        .footer-col a {
            color: #B8C4C0;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        .footer-col a:hover {
            color: var(--gold);
            text-decoration: none;
        }
        .footer-social {
            display: flex;
            gap: 12px;
            margin-top: 12px;
            flex-wrap: wrap;
        }
        .footer-social a {
            width: 36px;
            height: 36px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 8px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #B8C4C0;
            transition: background 0.3s ease, border-color 0.3s ease, color 0.3s ease;
            font-size: 14px;
        }
        .footer-social a:hover {
            background: var(--gold);
            border-color: var(--gold);
            color: var(--primary);
        }
        .footer-bottom {
            text-align: center;
            padding-top: 24px;
            font-size: 13px;
            color: #8FA39D;
        }
        .footer-bottom a {
            color: #B8C4C0;
            text-decoration: none;
        }
        .footer-bottom a:hover {
            color: var(--gold);
        }

        /* —— Responsive —— */
        @media (max-width: 1024px) {
            :root {
                --section-space: 80px;
            }
            .timeline-card {
                gap: 36px;
            }
            .timeline-card h3 {
                font-size: 21px;
            }
            .stats-grid {
                gap: 16px;
            }
            .header-nav {
                gap: 20px;
            }
        }

        @media (max-width: 900px) {
            .header-nav {
                gap: 14px;
            }
            .header-nav a:not(.btn-member) {
                font-size: 14px;
            }
            .logo-cn {
                font-size: 19px;
            }
        }

        @media (max-width: 767.98px) {
            :root {
                --section-space: 56px;
            }
            .container-custom {
                padding-left: 20px;
                padding-right: 20px;
            }

            .nav-left,
            .nav-right {
                display: none;
            }
            .navbar-toggler {
                display: flex;
            }
            .header-inner {
                grid-template-columns: 1fr auto 1fr;
            }
            .header-logo-link {
                justify-self: center;
            }
            .header-right {
                justify-self: end;
            }

            .page-hero {
                padding: 120px 0 56px;
            }
            .page-hero h1 {
                font-size: 32px;
            }
            .hero-subtitle {
                font-size: 15px;
            }
            .hero-badge {
                font-size: 11px;
            }

            .timeline-card {
                grid-template-columns: 1fr;
                gap: 16px;
                margin-bottom: 48px;
            }
            .timeline-card:nth-child(even) .card-media {
                order: 0;
            }
            .card-media {
                aspect-ratio: 16 / 10;
            }
            .timeline-card h3 {
                font-size: 20px;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .stat-num {
                font-size: 34px;
            }

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

            .section-head {
                margin-bottom: 40px;
            }
            .section-head h2 {
                font-size: 26px;
            }

            .compact-cta-box {
                padding: 40px 24px;
            }
            .compact-cta-box h2 {
                font-size: 24px;
            }

            .footer-cols {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .site-footer {
                padding: 56px 0 24px;
            }
            .footer-brand .cn {
                font-size: 24px;
            }
        }

        @media (max-width: 520px) {
            .page-hero h1 {
                font-size: 27px;
            }
            .section-head h2 {
                font-size: 23px;
            }
            .timeline-card h3 {
                font-size: 18px;
            }
            .cta-tags {
                flex-direction: column;
                gap: 10px;
            }
            .footer-social {
                justify-content: flex-start;
            }
            .footer-bottom {
                font-size: 12px;
            }
        }