/* roulang page: index */
/* ===== Design System ===== */
        :root {
            --primary: #1A2A25;
            --gold: #C9A96E;
            --cream: #F6F3EE;
            --mist: #E8E4DC;
            --coal: #1A1D1C;
            --secondary: #5C6660;
            --success: #3E7B5A;
            --warning: #C9773E;
            --danger: #B4443A;
            --radius: 6px;
            --shadow-sm: 0 2px 8px rgba(26, 29, 28, 0.06);
            --shadow-md: 0 4px 16px rgba(26, 29, 28, 0.10);
            --transition: all 0.3s ease;
        }

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

        body {
            font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
            line-height: 1.75;
            background: var(--cream);
            color: var(--coal);
            -webkit-font-smoothing: antialiased;
            padding-bottom: 64px;
        }

        @media (min-width: 768px) {
            body {
                padding-bottom: 0;
            }
        }

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

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

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

        input:focus,
        button:focus,
        a:focus {
            outline: 2px solid var(--gold);
            outline-offset: 2px;
        }

        /* ===== Utilities ===== */
        .font-serif {
            font-family: 'Noto Serif SC', Georgia, serif;
        }

        .font-numeric {
            font-variant-numeric: tabular-nums;
        }

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

        .section-kicker {
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.12em;
            color: var(--gold);
            text-transform: uppercase;
            margin-bottom: 8px;
        }

        .gold-line {
            display: block;
            width: 48px;
            height: 2px;
            background: var(--gold);
            position: relative;
            overflow: hidden;
            margin-top: 20px;
        }

        .gold-line::after {
            content: '';
            position: absolute;
            top: 0;
            bottom: 0;
            left: 50%;
            right: 50%;
            background: var(--gold);
            transition: left 0.35s ease, right 0.35s ease;
        }

        .gold-line:hover::after,
        .section-heading:hover .gold-line::after {
            left: 0;
            right: 0;
        }

        .gold-line-center {
            display: block;
            width: 48px;
            height: 2px;
            background: var(--gold);
            margin: 20px auto 0;
            position: relative;
            overflow: hidden;
        }

        .gold-line-center::after {
            content: '';
            position: absolute;
            top: 0;
            bottom: 0;
            left: 50%;
            right: 50%;
            background: var(--gold);
            transition: left 0.35s ease, right 0.35s ease;
        }

        .gold-line-center:hover::after,
        .section-heading:hover .gold-line-center::after {
            left: 0;
            right: 0;
        }

        /* ===== Header ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 50;
            height: 72px;
            display: flex;
            align-items: center;
            background: transparent;
            transition: background 0.3s ease, box-shadow 0.3s ease, backdrop-filter 0.3s ease;
        }

        .site-header.header-scrolled {
            background: rgba(246, 243, 238, 0.92);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            box-shadow: 0 1px 0 rgba(26, 29, 28, 0.06);
        }

        .site-header.header-scrolled .nav-link {
            color: var(--coal);
        }

        .site-header.header-scrolled .logo-text {
            color: var(--coal);
        }

        .logo-mark {
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--gold);
            color: var(--primary);
            font-family: 'Noto Serif SC', serif;
            font-weight: 700;
            font-size: 18px;
            border-radius: 4px;
        }

        .nav-link {
            font-size: 14px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.9);
            position: relative;
            padding: 6px 2px;
            cursor: pointer;
            transition: color 0.3s ease;
        }

        .site-header:not(.header-scrolled) .nav-link {
            color: rgba(255, 255, 255, 0.9);
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--gold);
            transition: width 0.3s ease;
        }

        .nav-link:hover::after,
        .nav-link.active::after {
            width: 100%;
        }

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

        .site-header:not(.header-scrolled) .nav-link.active {
            color: var(--gold);
        }

        /* ===== Buttons ===== */
        .btn-gold {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--gold);
            color: var(--primary);
            font-size: 14px;
            font-weight: 600;
            padding: 12px 28px;
            border-radius: 4px;
            border: 2px solid var(--gold);
            transition: var(--transition);
            cursor: pointer;
        }

        .btn-gold:hover {
            background: transparent;
            color: var(--gold);
            box-shadow: 0 0 0 1px var(--gold);
        }

        .btn-gold-lg {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            background: var(--gold);
            color: var(--primary);
            font-size: 18px;
            font-weight: 600;
            padding: 16px 40px;
            border-radius: 4px;
            border: 2px solid var(--gold);
            transition: var(--transition);
            cursor: pointer;
        }

        .btn-gold-lg:hover {
            background: transparent;
            color: var(--gold);
        }

        .btn-outline-white {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: #ffffff;
            border: 1px solid rgba(255, 255, 255, 0.7);
            font-size: 14px;
            font-weight: 500;
            padding: 12px 28px;
            border-radius: 4px;
            transition: var(--transition);
            cursor: pointer;
        }

        .btn-outline-white:hover {
            border-color: var(--gold);
            color: var(--gold);
        }

        .btn-outline-dark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
            font-size: 14px;
            font-weight: 500;
            padding: 12px 28px;
            border-radius: 4px;
            transition: var(--transition);
            cursor: pointer;
        }

        .btn-outline-dark:hover {
            border-color: var(--gold);
            color: var(--gold);
        }

        .btn-disabled {
            opacity: 0.5;
            cursor: not-allowed;
            pointer-events: none;
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 85vh;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(26, 42, 37, 0.95) 0%, rgba(26, 42, 37, 0.75) 50%, rgba(26, 42, 37, 0.2) 100%);
        }

        .hero-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--gold);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.1em;
            margin-bottom: 16px;
        }

        .hero-kicker::before {
            content: '';
            display: block;
            width: 28px;
            height: 1px;
            background: var(--gold);
        }

        .scroll-indicator {
            position: absolute;
            bottom: 40px;
            left: 50%;
            transform: translateX(-50%);
            width: 1px;
            height: 36px;
            background: linear-gradient(to bottom, var(--gold), transparent);
            animation: scrollMove 2s ease-in-out infinite;
        }

        @keyframes scrollMove {
            0%,
            100% {
                transform: translateX(-50%) translateY(0);
                opacity: 0.4;
            }
            50% {
                transform: translateX(-50%) translateY(8px);
                opacity: 1;
            }
        }

        /* ===== Steps ===== */
        .step-item {
            position: relative;
            padding-bottom: 32px;
        }

        .step-item:not(:last-child)::before {
            content: '';
            position: absolute;
            left: 24px;
            top: 60px;
            bottom: 0;
            width: 1px;
            background: var(--mist);
        }

        /* ===== Cards ===== */
        .service-card {
            background: #ffffff;
            border: 1px solid var(--mist);
            border-radius: 6px;
            padding: 32px;
            transition: var(--transition);
        }

        .service-card:hover {
            transform: translateY(-4px);
            border-color: var(--gold);
            box-shadow: var(--shadow-md);
        }

        .service-card:hover .service-icon {
            color: var(--gold);
        }

        .service-icon {
            color: var(--primary);
            transition: color 0.3s ease;
        }

        .feature-card {
            background: #ffffff;
            border: 1px solid var(--mist);
            border-radius: 6px;
            overflow: hidden;
            transition: var(--transition);
        }

        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--gold);
        }

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

        .feature-img {
            transition: transform 0.5s ease;
            width: 100%;
            height: 240px;
            object-fit: cover;
        }

        .news-card {
            background: #ffffff;
            border: 1px solid var(--mist);
            border-radius: 6px;
            padding: 28px;
            display: flex;
            flex-direction: column;
            transition: var(--transition);
        }

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

        .news-tag {
            display: inline-block;
            padding: 2px 12px;
            font-size: 12px;
            font-weight: 600;
            color: var(--gold);
            border: 1px solid rgba(201, 169, 110, 0.4);
            border-radius: 999px;
        }

        /* ===== Dark Section ===== */
        .dark-section {
            background: var(--primary);
            color: #ffffff;
            position: relative;
        }

        .dark-section .gold-line-top {
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 2px;
            background: var(--gold);
        }

        .stat-number {
            font-family: 'Noto Serif SC', serif;
            font-size: 48px;
            font-weight: 700;
            color: var(--gold);
            line-height: 1.2;
        }

        @media (max-width: 768px) {
            .stat-number {
                font-size: 40px;
            }
        }

        /* ===== FAQ ===== */
        .faq-item {
            border-bottom: 1px solid var(--mist);
            transition: var(--transition);
        }

        .faq-question {
            display: flex;
            align-items: center;
            gap: 16px;
            width: 100%;
            padding: 20px 0;
            background: none;
            border: none;
            text-align: left;
            font-size: 16px;
            font-weight: 600;
            color: var(--coal);
            cursor: pointer;
            transition: var(--transition);
        }

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

        .faq-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            font-size: 20px;
            font-weight: 300;
            color: var(--gold);
            flex-shrink: 0;
            transition: transform 0.3s ease;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
            padding-left: 48px;
            padding-right: 16px;
            padding-bottom: 0;
        }

        .faq-item.active .faq-answer {
            max-height: 500px;
            padding-bottom: 20px;
        }

        /* ===== Mobile Bottom Tab ===== */
        .bottom-tab-nav {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 50;
            height: 64px;
            background: rgba(246, 243, 238, 0.95);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-top: 1px solid rgba(26, 29, 28, 0.06);
            display: grid;
            grid-template-columns: repeat(5, 1fr);
        }

        .tab-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 4px;
            font-size: 11px;
            font-weight: 500;
            color: #9ca3af;
            transition: var(--transition);
        }

        .tab-item i {
            font-size: 20px;
        }

        .tab-item.active {
            color: var(--gold);
        }

        .tab-item.active span {
            color: var(--coal);
            font-weight: 600;
        }

        .tab-item:hover {
            color: var(--gold);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--coal);
            color: rgba(255, 255, 255, 0.6);
            padding: 64px 0 24px;
        }

        .footer-link {
            display: block;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            padding: 4px 0;
            transition: var(--transition);
        }

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

        .footer-title {
            font-size: 14px;
            font-weight: 600;
            color: #ffffff;
            margin-bottom: 16px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: 48px;
            padding-top: 24px;
            text-align: center;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.35);
        }

        /* ===== Reveal Animation ===== */
        .reveal {
            opacity: 0;
            transform: translateY(12px);
            transition: opacity 0.4s ease, transform 0.4s ease;
        }

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

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .container-site {
                padding-left: 20px;
                padding-right: 20px;
            }
        }

        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }

            .hero {
                min-height: 88vh;
            }

            .hero-overlay {
                background: linear-gradient(180deg, rgba(26, 42, 37, 0.85) 0%, rgba(26, 42, 37, 0.7) 100%);
            }

            .hero-content {
                text-align: center;
                margin: 0 auto;
            }

            .hero-kicker::before {
                display: none;
            }
        }

        @media (min-width: 768px) {
            .bottom-tab-nav {
                display: none;
            }
        }

        @media (max-width: 520px) {
            .btn-gold-lg {
                width: 100%;
                max-width: 360px;
            }
        }

/* roulang page: article */
:root {
    --primary: #1A2A25;
    --gold: #C9A96E;
    --ivory: #F6F3EE;
    --line: #E8E4DC;
    --ink: #1A1D1C;
    --muted: #5C6660;
    --radius-sm: 4px;
    --radius-md: 6px;
    --shadow-sm: 0 2px 8px rgba(26, 29, 28, 0.06);
    --shadow-lg: 0 4px 16px rgba(26, 29, 28, 0.10);
    --transition: all 0.3s ease;
}
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
html {
    scroll-behavior: smooth;
}
body {
    font-family: 'Noto Sans SC', system-ui, sans-serif;
    line-height: 1.75;
    color: var(--ink);
    background: #fff;
    -webkit-font-smoothing: antialiased;
}
a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition);
}
img {
    max-width: 100%;
    display: block;
}
button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}
.font-serif {
    font-family: 'Noto Serif SC', Georgia, serif;
    font-weight: 700;
    letter-spacing: 0.02em;
}

/* 顶部导航 */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1000;
    width: 100%;
    height: 72px;
    transition: background 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    background: rgba(26, 42, 37, 0.25);
    backdrop-filter: blur(4px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.site-header.scrolled {
    background: rgba(246, 243, 238, 0.92);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid rgba(26, 42, 37, 0.08);
    box-shadow: 0 1px 6px rgba(26, 29, 28, 0.04);
}
.logo-mark {
    width: 38px;
    height: 38px;
    border-radius: var(--radius-sm);
    background: var(--gold);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 19px;
    font-weight: 700;
    font-family: 'Noto Serif SC', serif;
    flex-shrink: 0;
}
.logo-text {
    transition: color 0.3s ease;
}
.site-header:not(.scrolled) .logo-text {
    color: #fff;
}
.site-header.scrolled .logo-text {
    color: var(--primary);
}
.desktop-nav .nav-link {
    position: relative;
    font-size: 14px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.86);
    padding: 8px 2px;
    letter-spacing: 0.01em;
    transition: color 0.3s ease;
}
.desktop-nav .nav-link::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    background: var(--gold);
    transition: width 0.3s ease;
}
.desktop-nav .nav-link:hover::after {
    width: 100%;
}
.desktop-nav .nav-link.active {
    color: var(--gold);
}
.site-header.scrolled .desktop-nav .nav-link {
    color: var(--primary);
    opacity: 0.78;
}
.site-header.scrolled .desktop-nav .nav-link:hover,
.site-header.scrolled .desktop-nav .nav-link.active {
    opacity: 1;
    color: var(--gold);
}
.btn-gold {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--gold);
    color: var(--primary);
    font-size: 14px;
    font-weight: 600;
    padding: 10px 28px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    letter-spacing: 0.02em;
}
.btn-gold:hover {
    background: #b89554;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(201, 169, 110, 0.3);
}
.btn-outline-light {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.8);
    color: #fff;
    font-size: 14px;
    font-weight: 500;
    padding: 10px 28px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}
.btn-outline-light:hover {
    border-color: var(--gold);
    color: var(--gold);
}

/* 文章Hero */
.article-hero {
    position: relative;
    padding: 140px 0 80px;
    background: linear-gradient(135deg, rgba(26, 42, 37, 0.88) 0%, rgba(26, 42, 37, 0.72) 100%), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
    color: #fff;
}
.article-hero .container {
    max-width: 860px;
    margin: 0 auto;
}
.breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.68);
    margin-bottom: 28px;
}
.breadcrumb a {
    color: rgba(255, 255, 255, 0.68);
    transition: color 0.3s ease;
}
.breadcrumb a:hover {
    color: var(--gold);
}
.breadcrumb .sep {
    color: rgba(255, 255, 255, 0.4);
}
.breadcrumb .current {
    color: var(--gold);
    font-weight: 500;
}
.article-title {
    font-family: 'Noto Serif SC', serif;
    font-size: clamp(26px, 4vw, 36px);
    font-weight: 700;
    line-height: 1.4;
    letter-spacing: 0.02em;
    margin-bottom: 20px;
    color: #fff;
}
.article-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.65);
}
.article-meta .badge {
    display: inline-flex;
    align-items: center;
    background: rgba(201, 169, 110, 0.16);
    border: 1px solid rgba(201, 169, 110, 0.6);
    color: var(--gold);
    font-size: 12px;
    padding: 3px 12px;
    border-radius: 3px;
}
.article-meta span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

/* 正文区 */
.article-body-section {
    background: var(--ivory);
    padding: 72px 0 64px;
}
.article-content {
    max-width: 720px;
    margin: 0 auto;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    padding: 56px 56px;
    box-shadow: var(--shadow-sm);
}
.article-content h2 {
    font-family: 'Noto Serif SC', serif;
    font-size: 24px;
    font-weight: 700;
    margin-top: 2em;
    margin-bottom: 0.8em;
    color: var(--primary);
}
.article-content h3 {
    font-family: 'Noto Serif SC', serif;
    font-size: 20px;
    font-weight: 700;
    margin-top: 1.8em;
    margin-bottom: 0.6em;
    color: var(--primary);
}
.article-content p {
    font-size: 16px;
    line-height: 1.9;
    color: #333;
    margin-bottom: 1.5em;
}
.article-content img {
    border-radius: var(--radius-md);
    margin: 24px auto;
    box-shadow: var(--shadow-sm);
}
.article-content ul,
.article-content ol {
    padding-left: 1.4em;
    margin-bottom: 1.5em;
    font-size: 15px;
    line-height: 1.9;
    color: #333;
}
.article-content a {
    color: var(--gold);
    font-weight: 500;
}
.article-content a:hover {
    text-decoration: underline;
}
.article-back {
    max-width: 720px;
    margin: 28px auto 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.article-back a {
    font-size: 14px;
    color: var(--muted);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}
.article-back a:hover {
    color: var(--gold);
    gap: 10px;
}
.not-found {
    max-width: 720px;
    margin: 0 auto;
    padding: 80px 40px;
    text-align: center;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
}
.not-found i {
    font-size: 48px;
    color: #ccc;
    margin-bottom: 20px;
}
.not-found p {
    font-size: 18px;
    color: var(--muted);
    margin-bottom: 24px;
}
.not-found a {
    display: inline-block;
    background: var(--gold);
    color: var(--primary);
    padding: 10px 28px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
    transition: var(--transition);
}
.not-found a:hover {
    background: #b89554;
    transform: translateY(-1px);
}

/* 相关资讯 */
.related-section {
    background: #fff;
    padding: 80px 0;
}
.section-head {
    text-align: center;
    margin-bottom: 48px;
}
.section-head h2 {
    font-family: 'Noto Serif SC', serif;
    font-size: clamp(24px, 3vw, 32px);
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 16px;
}
.gold-line {
    width: 48px;
    height: 2px;
    background: var(--gold);
    margin: 0 auto;
    position: relative;
    transition: width 0.4s ease;
}
.section-head:hover .gold-line {
    width: 72px;
}
.related-card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition);
    height: 100%;
    display: flex;
    flex-direction: column;
}
.related-card:hover {
    transform: translateY(-4px);
    border-color: var(--gold);
    box-shadow: var(--shadow-lg);
}
.related-card .card-img {
    overflow: hidden;
}
.related-card .card-img img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.4s ease;
}
.related-card:hover .card-img img {
    transform: scale(1.03);
}
.related-card .card-body {
    padding: 24px 28px 28px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}
.related-card .card-body h3 {
    font-size: 17px;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 8px;
    line-height: 1.5;
}
.related-card .card-body p {
    font-size: 14px;
    color: var(--muted);
    line-height: 1.7;
    flex-grow: 1;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 16px;
}
.related-card .card-body .link-go {
    font-size: 13px;
    color: var(--gold);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

/* CTA区 */
.cta-section {
    background: var(--primary);
    padding: 80px 0;
    color: #fff;
    text-align: center;
    position: relative;
}
.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 72px;
    height: 2px;
    background: var(--gold);
}
.cta-section h2 {
    font-family: 'Noto Serif SC', serif;
    font-size: clamp(24px, 3vw, 34px);
    font-weight: 700;
    margin-bottom: 16px;
    color: #fff;
}
.cta-section p {
    color: rgba(246, 243, 238, 0.7);
    font-size: 15px;
    max-width: 480px;
    margin: 0 auto 36px;
    line-height: 1.8;
}
.btn-cta {
    display: inline-block;
    background: var(--gold);
    color: var(--primary);
    font-size: 17px;
    font-weight: 600;
    padding: 16px 46px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    letter-spacing: 0.02em;
}
.btn-cta:hover {
    background: #b89554;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(201, 169, 110, 0.25);
}

/* FAQ */
.faq-section {
    background: var(--ivory);
    padding: 80px 0;
}
.faq-list {
    max-width: 760px;
    margin: 0 auto;
}
.faq-item {
    border-bottom: 1px solid var(--line);
    padding: 4px 0;
}
.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 20px 0;
    cursor: pointer;
    text-align: left;
    width: 100%;
    background: none;
    border: none;
    font-size: 16px;
    font-weight: 600;
    color: var(--primary);
    transition: var(--transition);
}
.faq-question:hover {
    color: var(--gold);
}
.faq-icon {
    font-size: 20px;
    color: var(--gold);
    transition: transform 0.3s ease;
    flex-shrink: 0;
    font-weight: 400;
}
.faq-item.active .faq-icon {
    transform: rotate(45deg);
}
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
}
.faq-answer .inner {
    padding-bottom: 20px;
    font-size: 14px;
    line-height: 1.75;
    color: var(--muted);
}

/* 页脚 */
.site-footer {
    background: var(--primary);
    color: #fff;
    padding: 72px 0 32px;
}
.footer-logo-text {
    font-family: 'Noto Serif SC', serif;
    font-size: 19px;
    font-weight: 700;
    color: #fff;
    letter-spacing: 0.02em;
}
.footer-desc {
    margin-top: 14px;
    font-size: 13px;
    line-height: 1.8;
    color: rgba(246, 243, 238, 0.5);
    max-width: 380px;
}
.footer-title {
    font-size: 14px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 18px;
    padding-bottom: 10px;
    position: relative;
}
.footer-title::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 32px;
    height: 2px;
    background: var(--gold);
}
.footer-link {
    display: block;
    font-size: 13px;
    color: rgba(246, 243, 238, 0.55);
    margin-bottom: 12px;
    transition: var(--transition);
}
.footer-link:hover {
    color: var(--gold);
    padding-left: 4px;
}
.footer-bottom {
    margin-top: 56px;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    text-align: center;
    font-size: 13px;
    color: rgba(246, 243, 238, 0.4);
}
.footer-bottom p {
    line-height: 1.7;
}

/* 移动端底部Tab */
.bottom-tab-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    z-index: 1000;
    width: 100%;
    height: 64px;
    background: rgba(246, 243, 238, 0.95);
    backdrop-filter: blur(10px);
    border-top: 1px solid var(--line);
    display: none;
    align-items: center;
    justify-content: space-around;
    padding: 0 8px;
}
.bottom-tab-nav .tab-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3px;
    font-size: 11px;
    color: #9aa19c;
    padding: 8px 12px;
    border-radius: 6px;
    transition: var(--transition);
    min-width: 52px;
}
.bottom-tab-nav .tab-item i {
    font-size: 18px;
    line-height: 1;
}
.bottom-tab-nav .tab-item:hover {
    color: var(--gold);
}
.bottom-tab-nav .tab-item.active {
    color: var(--gold);
    font-weight: 500;
}
body {
    padding-bottom: 0;
}
@media (max-width: 768px) {
    body {
        padding-bottom: 64px;
    }
    .bottom-tab-nav {
        display: flex;
    }
    .desktop-nav {
        display: none !important;
    }
    .site-header .btn-gold {
        display: none !important;
    }
    .site-header {
        height: 64px;
        background: rgba(26, 42, 37, 0.35);
    }
    .article-hero {
        padding: 112px 0 56px;
    }
    .article-content {
        padding: 32px 22px;
    }
}

/* 响应式细节 */
@media (max-width: 1024px) {
    .desktop-nav .nav-link {
        font-size: 13px;
        gap: 6px;
    }
}
@media (max-width: 520px) {
    .article-content {
        border-radius: 0;
        border-left: none;
        border-right: none;
    }
    .related-card .card-img img {
        height: 170px;
    }
    .section-head h2 {
        font-size: 24px;
    }
    .faq-question {
        font-size: 15px;
    }
}

.article-hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}
.article-hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.article-hero .container {
    position: relative;
    z-index: 1;
}

/* roulang page: category1 */
:root {
            --color-primary: #1A2A25;
            --color-primary-light: #243B34;
            --color-accent: #C9A96E;
            --color-accent-dark: #B08D4F;
            --color-bg: #F6F3EE;
            --color-surface: #FFFFFF;
            --color-border: #E8E4DC;
            --color-text: #1A1D1C;
            --color-text-secondary: #5C6660;
            --color-text-muted: #9AA39C;
            --color-white: #FFFFFF;
            --radius-sm: 4px;
            --radius-md: 6px;
            --shadow-sm: 0 2px 8px rgba(26, 29, 28, 0.06);
            --shadow-md: 0 4px 16px rgba(26, 29, 28, 0.10);
            --transition: 300ms ease;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
            background: var(--color-bg);
            color: var(--color-text);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }
        .font-serif {
            font-family: 'Noto Serif SC', 'Songti SC', 'SimSun', Georgia, serif;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }
        input {
            font-family: inherit;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
        }

        /* Header */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: transparent;
            transition: background var(--transition), box-shadow var(--transition), border-color var(--transition);
            border-bottom: 1px solid transparent;
        }
        .site-header.scrolled {
            background: rgba(246, 243, 238, 0.92);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-bottom-color: rgba(232, 228, 220, 0.8);
            box-shadow: 0 1px 10px rgba(26, 29, 28, 0.04);
        }
        .logo-text {
            color: #FFFFFF;
            transition: color var(--transition);
        }
        .site-header.scrolled .logo-text {
            color: var(--color-primary);
        }
        .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--color-accent);
            color: var(--color-primary);
            font-family: 'Noto Serif SC', serif;
            font-weight: 700;
            font-size: 18px;
            border-radius: var(--radius-sm);
            line-height: 1;
        }
        .nav-link {
            position: relative;
            font-size: 14px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.92);
            padding: 6px 2px;
            transition: color var(--transition);
            letter-spacing: 0.02em;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 2px;
            background: var(--color-accent);
            transition: width var(--transition);
        }
        .nav-link:hover::after,
        .nav-link.active::after {
            width: 100%;
        }
        .nav-link:hover,
        .nav-link.active {
            color: var(--color-accent);
        }
        .site-header.scrolled .nav-link {
            color: var(--color-text);
        }
        .site-header.scrolled .nav-link:hover,
        .site-header.scrolled .nav-link.active {
            color: var(--color-accent);
        }
        .btn-gold {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--color-accent);
            color: var(--color-primary) !important;
            font-size: 14px;
            font-weight: 500;
            padding: 10px 24px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--color-accent);
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-gold:hover {
            background: var(--color-primary);
            border-color: var(--color-primary);
            color: var(--color-accent) !important;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            color: var(--color-white);
            font-size: 14px;
            font-weight: 500;
            padding: 10px 24px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.6);
            transition: all var(--transition);
        }
        .btn-outline:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
        }

        /* Hero */
        .category-hero {
            height: 320px;
            background: linear-gradient(105deg, rgba(26, 42, 37, 0.92) 0%, rgba(26, 42, 37, 0.75) 60%, rgba(26, 42, 37, 0.55) 100%), url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            display: flex;
            align-items: center;
            margin-top: 0;
        }
        .category-hero .hero-title {
            font-family: 'Noto Serif SC', 'Songti SC', serif;
            font-weight: 700;
            font-size: 42px;
            line-height: 1.3;
            color: var(--color-white);
            letter-spacing: 0.02em;
            margin-bottom: 12px;
        }
        .category-hero .hero-subtitle {
            font-size: 16px;
            color: rgba(246, 243, 238, 0.78);
            max-width: 560px;
            line-height: 1.7;
        }
        @media (max-width: 768px) {
            .category-hero {
                height: 260px;
            }
            .category-hero .hero-title {
                font-size: 28px;
            }
            .category-hero .hero-subtitle {
                font-size: 14px;
            }
        }

        /* Breadcrumb */
        .breadcrumb {
            padding: 28px 0 0;
            font-size: 13px;
            color: var(--color-text-secondary);
        }
        .breadcrumb a {
            color: var(--color-text-secondary);
            transition: color var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--color-accent-dark);
        }
        .breadcrumb .sep {
            margin: 0 8px;
            color: var(--color-text-muted);
        }
        .breadcrumb .current {
            color: var(--color-accent-dark);
            font-weight: 500;
        }

        /* Section */
        .section-title {
            font-family: 'Noto Serif SC', 'Songti SC', serif;
            font-weight: 700;
            font-size: 26px;
            color: var(--color-text);
            position: relative;
            padding-bottom: 16px;
            letter-spacing: 0.02em;
            margin-bottom: 28px;
        }
        .section-title::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 48px;
            height: 2px;
            background: var(--color-accent);
            transition: width var(--transition);
        }
        .section-title:hover::after {
            width: 80px;
        }
        .section-intro {
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.8;
            margin-bottom: 32px;
        }

        /* 功能分区卡片 */
        .feature-card {
            display: flex;
            gap: 24px;
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 24px;
            margin-bottom: 24px;
            transition: box-shadow var(--transition), border-color var(--transition), transform var(--transition);
            align-items: flex-start;
        }
        .feature-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-accent);
            transform: translateY(-2px);
        }
        .feature-card img {
            width: 180px;
            height: 120px;
            object-fit: cover;
            border-radius: var(--radius-sm);
            flex-shrink: 0;
        }
        .feature-card h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 6px;
        }
        .feature-card p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.75;
        }
        @media (max-width: 768px) {
            .feature-card {
                flex-direction: column;
            }
            .feature-card img {
                width: 100%;
                height: auto;
                aspect-ratio: 16/9;
            }
        }

        /* 步骤流程 */
        .steps-flow {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            background: var(--color-primary);
            border-radius: 8px;
            padding: 32px 28px;
            position: relative;
            margin: 32px 0;
        }
        .step-item {
            position: relative;
            padding-left: 16px;
            border-left: 2px solid rgba(201, 169, 110, 0.35);
        }
        .step-item::before {
            content: '';
            position: absolute;
            left: -5px;
            top: 8px;
            width: 8px;
            height: 8px;
            background: var(--color-accent);
            border-radius: 50%;
        }
        .step-item.current::before {
            box-shadow: 0 0 0 4px rgba(201, 169, 110, 0.3);
        }
        .step-num {
            font-family: 'Noto Serif SC', serif;
            font-size: 28px;
            font-weight: 700;
            color: var(--color-accent);
            display: block;
            line-height: 1.2;
            margin-bottom: 8px;
        }
        .step-item h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-white);
            margin-bottom: 4px;
        }
        .step-item p {
            font-size: 13px;
            color: rgba(246, 243, 238, 0.65);
            line-height: 1.6;
        }
        @media (max-width: 768px) {
            .steps-flow {
                grid-template-columns: 1fr 1fr;
                padding: 24px 18px;
            }
        }
        @media (max-width: 520px) {
            .steps-flow {
                grid-template-columns: 1fr;
            }
        }

        /* 清单列表 */
        .check-list {
            list-style: none;
            padding: 0;
            margin: 0 0 32px;
        }
        .check-list li {
            position: relative;
            padding: 10px 0 10px 32px;
            font-size: 14px;
            color: var(--color-text);
            border-bottom: 1px solid var(--color-border);
            line-height: 1.7;
        }
        .check-list li:last-child {
            border-bottom: none;
        }
        .check-list li::before {
            content: '✓';
            position: absolute;
            left: 0;
            top: 10px;
            width: 22px;
            height: 22px;
            background: var(--color-accent);
            color: var(--color-primary);
            border-radius: 50%;
            font-size: 12px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            line-height: 1;
        }

        /* 侧边栏 */
        .aside-card {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 28px;
            margin-bottom: 24px;
            box-shadow: var(--shadow-sm);
        }
        .aside-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }
        .aside-title::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 32px;
            height: 2px;
            background: var(--color-accent);
        }
        .aside-link {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 0;
            font-size: 14px;
            color: var(--color-text);
            border-bottom: 1px solid var(--color-border);
            transition: color var(--transition), padding-left var(--transition);
        }
        .aside-link:last-child {
            border-bottom: none;
        }
        .aside-link:hover {
            color: var(--color-accent-dark);
            padding-left: 6px;
        }
        .aside-link .arrow {
            color: var(--color-accent);
            font-size: 16px;
            line-height: 1;
        }
        .aside-tip {
            background: var(--color-primary);
            color: rgba(246, 243, 238, 0.85);
            border-radius: var(--radius-md);
            padding: 22px;
            font-size: 13px;
            line-height: 1.7;
            margin-bottom: 24px;
        }
        .aside-tip strong {
            color: var(--color-accent);
            font-size: 14px;
            display: block;
            margin-bottom: 6px;
        }
        .aside-card img {
            border-radius: var(--radius-sm);
            width: 100%;
            object-fit: cover;
            margin-top: 4px;
        }

        /* CTA */
        .cta-section {
            background: var(--color-primary);
            padding: 80px 0;
            text-align: center;
        }
        .cta-section .cta-title {
            font-family: 'Noto Serif SC', serif;
            font-size: 30px;
            font-weight: 700;
            color: var(--color-white);
            letter-spacing: 0.02em;
            margin-bottom: 14px;
        }
        .cta-section .cta-sub {
            font-size: 15px;
            color: rgba(246, 243, 238, 0.7);
            max-width: 640px;
            margin: 0 auto 36px;
            line-height: 1.8;
        }
        .cta-section .btn-gold {
            padding: 16px 48px;
            font-size: 16px;
        }

        /* FAQ */
        .faq-section {
            padding: 80px 0;
            background: var(--color-bg);
        }
        .faq-section .section-title {
            text-align: left;
        }
        .faq-item {
            border-bottom: 1px solid var(--color-border);
        }
        .faq-item:first-child {
            border-top: 1px solid var(--color-border);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            padding: 18px 0;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            text-align: left;
            transition: color var(--transition);
        }
        .faq-question:hover {
            color: var(--color-accent-dark);
        }
        .faq-icon {
            position: relative;
            width: 24px;
            height: 24px;
            flex-shrink: 0;
        }
        .faq-icon::before,
        .faq-icon::after {
            content: '';
            position: absolute;
            background: var(--color-accent);
            border-radius: 2px;
            transition: transform var(--transition);
        }
        .faq-icon::before {
            width: 2px;
            height: 16px;
            left: 11px;
            top: 4px;
        }
        .faq-icon::after {
            width: 16px;
            height: 2px;
            left: 4px;
            top: 11px;
        }
        .faq-item.open .faq-icon::before {
            transform: rotate(90deg);
            opacity: 0;
        }
        .faq-item.open .faq-icon::after {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 400ms ease, padding var(--transition);
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.75;
            padding: 0;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 32px 20px 0;
        }

        /* Footer */
        .site-footer {
            background: var(--color-primary);
            padding: 60px 0 30px;
            color: rgba(246, 243, 238, 0.75);
        }
        .footer-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-white);
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }
        .footer-link {
            display: block;
            font-size: 13px;
            color: rgba(246, 243, 238, 0.55);
            padding: 5px 0;
            transition: color var(--transition), padding-left var(--transition);
        }
        .footer-link:hover {
            color: var(--color-accent);
            padding-left: 6px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: 40px;
            padding-top: 24px;
            font-size: 12px;
            color: rgba(246, 243, 238, 0.4);
            text-align: center;
        }

        /* 移动端底部Tab */
        .mobile-tab {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 200;
            height: 64px;
            background: rgba(246, 243, 238, 0.95);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-top: 1px solid var(--color-border);
            box-shadow: 0 -2px 10px rgba(26, 29, 28, 0.04);
        }
        .mobile-tab .tab-item {
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 2px;
            font-size: 11px;
            color: var(--color-text-muted);
            transition: color var(--transition);
        }
        .mobile-tab .tab-item svg {
            width: 22px;
            height: 22px;
        }
        .mobile-tab .tab-item.active,
        .mobile-tab .tab-item:hover {
            color: var(--color-accent-dark);
        }
        @media (max-width: 768px) {
            .mobile-tab {
                display: flex;
            }
            .desktop-nav,
            .site-header .btn-gold {
                display: none !important;
            }
            body {
                padding-bottom: 64px;
            }
        }

        /* 页面内边距修正 */
        .main-wrap {
            padding: 40px 0 80px;
        }
        @media (max-width: 768px) {
            .main-wrap {
                padding: 24px 0 48px;
            }
        }

        /* focus 可见 */
        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

/* roulang page: category2 */
:root {
            --color-deep: #1A2A25;
            --color-deep-light: #243A33;
            --color-gold: #C9A96E;
            --color-gold-deep: #B8975A;
            --color-cream: #F6F3EE;
            --color-sand: #E8E4DC;
            --color-ink: #1A1D1C;
            --color-mute: #5C6660;
            --font-serif: "Noto Serif SC", "Noto Serif", serif;
            --font-sans: "Noto Sans SC", system-ui, sans-serif;
            --shadow-sm: 0 2px 8px rgba(26, 29, 28, 0.06);
            --shadow-md: 0 4px 16px rgba(26, 29, 28, 0.10);
            --radius-sm: 4px;
            --radius-md: 6px;
            --transition: 300ms ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background: var(--color-cream);
            color: var(--color-ink);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }

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

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

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
        }

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: 72px;
            background: rgba(26, 42, 37, 0.10);
            backdrop-filter: blur(0px);
            transition: background var(--transition), box-shadow var(--transition);
        }

        .site-header.scrolled {
            background: rgba(246, 243, 238, 0.92);
            backdrop-filter: blur(8px);
            box-shadow: 0 1px 0 rgba(26, 29, 28, 0.06);
        }

        .site-header.scrolled .logo-text {
            color: var(--color-ink);
        }

        .site-header.scrolled .nav-link {
            color: var(--color-mute);
        }

        .site-header.scrolled .nav-link:hover,
        .site-header.scrolled .nav-link.active {
            color: var(--color-ink);
        }

        .logo-mark {
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--color-gold);
            color: var(--color-inks);
            color: #1A2A25;
            font-family: var(--font-serif);
            font-size: 18px;
            font-weight: 700;
            border-radius: var(--radius-sm);
            flex-shrink: 0;
        }

        .logo-text {
            font-family: var(--font-serif);
            font-weight: 700;
            font-size: 18px;
            letter-spacing: 0.02em;
            transition: color var(--transition);
        }

        .desktop-nav .nav-link {
            position: relative;
            font-size: 14px;
            font-weight: 500;
            color: rgba(246, 243, 238, 0.8);
            padding: 8px 2px;
            transition: color var(--transition);
        }

        .desktop-nav .nav-link::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--color-gold);
            transition: width var(--transition);
        }

        .desktop-nav .nav-link:hover::after,
        .desktop-nav .nav-link.active::after {
            width: 100%;
        }

        .desktop-nav .nav-link:hover,
        .desktop-nav .nav-link.active {
            color: var(--color-cream);
        }

        .site-header.scrolled .desktop-nav .nav-link {
            color: var(--color-mute);
        }

        .site-header.scrolled .desktop-nav .nav-link:hover,
        .site-header.scrolled .desktop-nav .nav-link.active {
            color: var(--color-ink);
        }

        /* 按钮 */
        .btn-gold {
            display: inline-block;
            background: var(--color-gold);
            color: var(--color-deep);
            font-size: 14px;
            font-weight: 600;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            border: 1px solid transparent;
            transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition);
        }

        .btn-gold:hover {
            background: var(--color-deep);
            color: var(--color-cream);
            border-color: var(--color-gold);
        }

        .btn-outline-light {
            display: inline-block;
            background: transparent;
            color: var(--color-cream);
            font-size: 14px;
            font-weight: 500;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(246, 243, 238, 0.6);
            transition: all var(--transition);
        }

        .btn-outline-light:hover {
            border-color: var(--color-gold);
            color: var(--color-gold);
        }

        .btn-lg {
            padding: 16px 40px;
            font-size: 18px;
        }

        .btn-ghost-dark {
            display: inline-block;
            background: transparent;
            color: var(--color-cream);
            font-size: 15px;
            font-weight: 600;
            padding: 14px 38px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(246, 243, 238, 0.5);
            transition: all var(--transition);
        }

        .btn-ghost-dark:hover {
            background: var(--color-gold);
            color: var(--color-deep);
            border-color: var(--color-gold);
        }

        .btn-ghost-light {
            display: inline-block;
            background: transparent;
            color: var(--color-deep);
            font-size: 15px;
            font-weight: 600;
            padding: 14px 38px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(26, 42, 37, 0.4);
            transition: all var(--transition);
        }

        .btn-ghost-light:hover {
            border-color: var(--color-gold);
            color: var(--color-gold-deep);
        }

        button:focus-visible,
        a:focus-visible {
            outline: 2px solid var(--color-gold);
            outline-offset: 2px;
        }

        /* ===== 底部 Tab ===== */
        .bottom-tab {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            display: none;
            background: rgba(246, 243, 238, 0.95);
            backdrop-filter: blur(10px);
            border-top: 1px solid rgba(26, 29, 28, 0.06);
            height: 64px;
        }

        .tab-item {
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 4px;
            color: #9aa3a0;
            font-size: 11px;
            transition: color var(--transition);
        }

        .tab-item i {
            font-size: 18px;
        }

        .tab-item.active {
            color: var(--color-gold-deep);
        }

        .tab-item.active i {
            color: var(--color-gold);
        }

        @media (max-width: 768px) {
            .bottom-tab {
                display: flex;
            }
            body {
                padding-bottom: 64px;
            }
            .desktop-nav {
                display: none;
            }
            .header-cta {
                display: none !important;
            }
            .site-header .container-responsive {
                justify-content: center;
            }
        }

        /* ===== Hero ===== */
        .page-hero {
            position: relative;
            height: 320px;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .page-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 42, 37, 0.88) 0%, rgba(26, 42, 37, 0.55) 60%, rgba(26, 42, 37, 0.35) 100%);
        }

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

        .hero-breadcrumb {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(246, 243, 238, 0.7);
            background: rgba(26, 42, 37, 0.3);
            border: 1px solid rgba(255, 255, 255, 0.08);
            padding: 6px 14px;
            border-radius: 20px;
            margin-bottom: 16px;
        }

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

        .hero-line {
            width: 40px;
            height: 2px;
            background: var(--color-gold);
            margin: 16px auto;
            transform: translateX(-50%);
            animation: expandLine 1s ease forwards;
        }

        @keyframes expandLine {
            from {
                width: 0;
            }
            to {
                width: 40px;
            }
        }

        .hero-scroll {
            position: absolute;
            bottom: 20px;
            left: 50%;
            transform: translateX(-50%);
            width: 1px;
            height: 36px;
            background: rgba(246, 243, 238, 0.5);
            overflow: hidden;
            z-index: 3;
        }

        .hero-scroll::after {
            content: "";
            display: block;
            width: 1px;
            height: 12px;
            background: var(--color-gold);
            animation: scrollDown 1.6s ease-in-out infinite;
        }

        @keyframes scrollDown {
            0% {
                transform: translateY(-12px);
            }
            100% {
                transform: translateY(36px);
            }
        }

        /* ===== 区块 ===== */
        .section-title {
            font-family: var(--font-serif);
            font-size: 28px;
            font-weight: 700;
            letter-spacing: 0.02em;
            color: var(--color-deep);
            margin-bottom: 16px;
        }

        .gold-line {
            width: 48px;
            height: 2px;
            background: var(--color-gold);
            margin: 12px 0 24px;
            border-radius: 1px;
            transition: width 0.4s ease;
        }

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

        .gold-line.left {
            margin-left: 0;
        }

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

        @media (max-width: 768px) {
            .section-gap {
                padding: 48px 0;
            }
            .section-title {
                font-size: 24px;
            }
        }

        /* ===== 卡片 ===== */
        .info-card {
            background: #fff;
            border: 1px solid var(--color-sand);
            border-radius: var(--radius-md);
            padding: 28px;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), border-color var(--transition), transform var(--transition);
        }

        .info-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--color-gold);
        }

        .info-card .icon-wrap {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background: rgba(201, 169, 110, 0.1);
            color: var(--color-gold-deep);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            margin-bottom: 16px;
            transition: background var(--transition), color var(--transition);
        }

        .info-card:hover .icon-wrap {
            background: var(--color-gold);
            color: #fff;
        }

        .info-card h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-ink);
            margin-bottom: 8px;
            font-family: var(--font-sans);
        }

        .info-card p {
            font-size: 14px;
            color: var(--color-mute);
            line-height: 1.65;
        }

        /* ===== 步骤 ===== */
        .step-list {
            list-style: none;
            padding: 0;
        }

        .step-item {
            position: relative;
            padding-left: 56px;
            padding-bottom: 32px;
        }

        .step-item:last-child {
            padding-bottom: 0;
        }

        .step-item::before {
            content: "";
            position: absolute;
            left: 20px;
            top: 8px;
            bottom: 8px;
            width: 1px;
            background: var(--color-sand);
        }

        .step-item:last-child::before {
            display: none;
        }

        .step-num {
            position: absolute;
            left: 0;
            top: 0;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--color-deep);
            color: var(--color-gold);
            font-family: var(--font-serif);
            font-size: 15px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 2;
            letter-spacing: 0.02em;
        }

        .step-item .step-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-ink);
            margin-bottom: 4px;
        }

        .step-item .step-desc {
            font-size: 14px;
            color: var(--color-mute);
            line-height: 1.65;
            margin-top: 4px;
        }

        /* ===== 侧边栏 ===== */
        .widget-card {
            background: #fff;
            border: 1px solid var(--color-sand);
            border-radius: var(--radius-md);
            padding: 24px;
            margin-bottom: 24px;
            box-shadow: var(--shadow-sm);
        }

        .widget-card .widget-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-deep);
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 1px solid var(--color-sand);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .widget-card .widget-title i {
            color: var(--color-gold);
            font-size: 14px;
        }

        .related-link {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 0;
            font-size: 14px;
            color: var(--color-mute);
            border-bottom: 1px solid rgba(232, 228, 220, 0.5);
            transition: color var(--transition), padding-left var(--transition);
        }

        .related-link:last-child {
            border-bottom: none;
        }

        .related-link:hover {
            color: var(--color-gold-deep);
            padding-left: 8px;
        }

        .related-link i {
            font-size: 12px;
            color: var(--color-gold);
        }

        .widget-stat {
            text-align: center;
            padding: 12px 8px;
        }

        .widget-stat .number {
            font-family: var(--font-serif);
            font-size: 40px;
            font-weight: 700;
            color: var(--color-deep);
            line-height: 1;
            font-variant-numeric: tabular-nums;
        }

        .widget-stat .label {
            font-size: 12px;
            color: var(--color-mute);
            margin-top: 6px;
        }

        .tip-box {
            background: rgba(201, 169, 110, 0.08);
            border-left: 3px solid var(--color-gold);
            padding: 16px 20px;
            border-radius: 0 6px 6px 0;
            font-size: 13px;
            color: var(--color-mute);
            line-height: 1.7;
            margin-bottom: 24px;
        }

        .tip-box strong {
            color: var(--color-deep);
            display: block;
            margin-bottom: 6px;
            font-size: 14px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--color-deep);
            color: var(--color-cream);
            padding: 64px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, transparent 0%, var(--color-gold) 50%, transparent 100%);
        }

        .cta-section h2 {
            font-family: var(--font-serif);
            font-size: 30px;
            font-weight: 700;
            letter-spacing: 0.02em;
        }

        .cta-section p {
            color: rgba(246, 243, 238, 0.7);
            font-size: 16px;
            max-width: 480px;
        }

        /* ===== FAQ ===== */
        .faq-wrap {
            max-width: 720px;
            margin: 0 auto;
        }

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

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

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 0;
            text-align: left;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-ink);
            gap: 16px;
            transition: color var(--transition);
        }

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

        .faq-icon {
            width: 20px;
            height: 20px;
            position: relative;
            flex-shrink: 0;
            display: inline-block;
        }

        .faq-icon::before,
        .faq-icon::after {
            content: "";
            position: absolute;
            background: var(--color-gold);
            border-radius: 1px;
            transition: transform var(--transition), opacity var(--transition);
        }

        .faq-icon::before {
            width: 14px;
            height: 2px;
            top: 9px;
            left: 3px;
        }

        .faq-icon::after {
            width: 2px;
            height: 14px;
            top: 3px;
            left: 9px;
        }

        .faq-item.open .faq-icon::after {
            transform: scaleY(0);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
            padding: 0;
            font-size: 14px;
            color: var(--color-mute);
            line-height: 1.75;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-bottom: 20px;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--color-deep);
            color: var(--color-cream);
            padding: 60px 0 80px;
        }

        .site-footer .footer-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-gold);
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }

        .site-footer .footer-link {
            display: block;
            font-size: 14px;
            color: rgba(246, 243, 238, 0.6);
            padding: 6px 0;
            transition: color var(--transition), padding-left var(--transition);
        }

        .site-footer .footer-link:hover {
            color: var(--color-gold);
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: 40px;
            padding-top: 24px;
            font-size: 13px;
            color: rgba(246, 243, 238, 0.4);
            text-align: center;
        }

        /* ===== 滚动动画 ===== */
        .reveal {
            opacity: 0;
            transform: translateY(12px);
            transition: opacity 0.4s ease, transform 0.4s ease;
        }

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

        /* ===== 图片 ===== */
        .cover-figure {
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            margin: 24px 0;
        }

        .cover-figure img {
            width: 100%;
            object-fit: cover;
            aspect-ratio: 16/9;
        }

        .cover-figure figcaption {
            background: #fff;
            padding: 12px 16px;
            font-size: 12px;
            color: var(--color-mute);
            text-align: center;
            border-top: 1px solid var(--color-sand);
        }

        /* ===== 正文 ===== */
        .content-body h3 {
            font-family: var(--font-serif);
            font-size: 20px;
            font-weight: 700;
            color: var(--color-deep);
            margin: 28px 0 16px;
            letter-spacing: 0.02em;
        }

        .content-body h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-ink);
            margin-bottom: 8px;
            font-family: var(--font-sans);
        }

        .content-body p {
            font-size: 14px;
            color: var(--color-mute);
            line-height: 1.9;
            margin-bottom: 14px;
        }

        .content-body strong {
            color: var(--color-deep);
            font-weight: 600;
        }

        .custom-list {
            list-style: none;
            padding: 0;
            margin: 16px 0;
        }

        .custom-list li {
            position: relative;
            padding-left: 24px;
            font-size: 14px;
            color: var(--color-mute);
            line-height: 1.8;
            margin-bottom: 8px;
        }

        .custom-list li::before {
            content: "";
            position: absolute;
            left: 0;
            top: 12px;
            width: 8px;
            height: 8px;
            border-radius: 2px;
            background: var(--color-gold);
        }

        @media (max-width: 768px) {
            .page-hero {
                height: 260px;
            }
            .page-hero h1 {
                font-size: 26px !important;
            }
            .section-gap {
                padding: 40px 0;
            }
            .step-item {
                padding-left: 44px;
            }
            .step-num {
                width: 32px;
                height: 32px;
                font-size: 13px;
                top: 4px;
            }
            .step-item::before {
                left: 16px;
            }
            .tip-box {
                margin-bottom: 16px;
            }
            .site-footer {
                padding-bottom: 60px;
            }
        }