/* roulang page: index */
:root {
            --ink: #1C1A17;
            --ink-2: #2A2723;
            --gold: #B08D57;
            --gold-soft: #D8C3A1;
            --paper: #F6F2EA;
            --paper-2: #EFE9DF;
            --line: #E4DED3;
            --muted: #6E6860;
            --white: #FFFFFF;
            --shadow-sm: 0 2px 8px rgba(28, 26, 23, .05);
            --shadow-md: 0 6px 24px rgba(28, 26, 23, .08);
            --radius: 3px;
            --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", serif;
            --font-sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background: var(--paper);
            color: var(--ink);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            font-weight: 300;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: all .2s ease;
        }

        a:hover {
            color: var(--gold);
            text-decoration: none;
        }

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

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

        input:focus,
        button:focus,
        a:focus {
            outline: 2px solid rgba(176, 141, 87, .45);
            outline-offset: 2px;
        }

        .container-custom {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 32px;
        }

        /* ========== 左侧竖向导航 ========== */
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: 240px;
            height: 100vh;
            background: var(--ink);
            z-index: 1045;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            padding: 40px 28px 32px;
            transition: transform .3s ease;
        }

        .sidebar-brand {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(216, 195, 161, .12);
        }

        .sidebar-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-serif);
            font-size: 24px;
            font-weight: 400;
            letter-spacing: .04em;
            color: var(--paper);
            line-height: 1.3;
        }

        .sidebar-logo i {
            font-size: 18px;
            color: var(--gold);
        }

        .sidebar-tagline {
            margin-top: 10px;
            font-size: 12px;
            letter-spacing: .08em;
            color: var(--gold-soft);
            opacity: .8;
            font-weight: 300;
        }

        .sidebar-nav {
            flex: 1;
            padding-top: 36px;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .sidebar-nav a {
            display: block;
            padding: 14px 12px 14px 20px;
            color: rgba(246, 242, 234, .72);
            font-size: 15px;
            letter-spacing: .03em;
            border-left: 2px solid transparent;
            transition: all .25s ease;
            border-radius: 0;
            position: relative;
        }

        .sidebar-nav a i {
            width: 18px;
            margin-right: 8px;
            font-size: 14px;
            color: rgba(216, 195, 161, .6);
            transition: color .2s;
        }

        .sidebar-nav a:hover {
            color: var(--gold-soft);
            background: rgba(255, 255, 255, .03);
            border-left-color: var(--gold);
            padding-left: 24px;
        }

        .sidebar-nav a.active {
            color: var(--paper);
            border-left-color: var(--gold);
            background: linear-gradient(90deg, rgba(176, 141, 87, .10), transparent);
            font-weight: 400;
        }

        .sidebar-nav a.active i {
            color: var(--gold);
        }

        .sidebar-cta {
            padding-top: 24px;
            border-top: 1px solid rgba(216, 195, 161, .12);
        }

        .sidebar-cta .btn-consult {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            width: 100%;
            padding: 12px 20px;
            background: var(--gold);
            color: var(--ink);
            font-size: 14px;
            letter-spacing: .06em;
            border-radius: 2px;
            font-weight: 500;
            transition: all .25s ease;
            border: none;
        }

        .sidebar-cta .btn-consult:hover {
            background: var(--gold-soft);
            color: var(--ink);
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(176, 141, 87, .3);
        }

        .sidebar-cta .sidebar-tel {
            margin-top: 12px;
            text-align: center;
            font-size: 12px;
            color: rgba(246, 242, 234, .5);
            letter-spacing: .02em;
        }

        .sidebar-cta .sidebar-tel a {
            color: var(--gold-soft);
            font-size: 14px;
        }

        /* ========== 移动端顶部导航 ========== */
        .mobile-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 64px;
            background: var(--ink);
            z-index: 1045;
            display: none;
            align-items: center;
            justify-content: space-between;
            padding: 0 20px;
            box-shadow: 0 4px 20px rgba(28, 26, 23, .25);
        }

        .mobile-header .mobile-brand {
            font-family: var(--font-serif);
            font-size: 20px;
            color: var(--paper);
            letter-spacing: .04em;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .mobile-header .mobile-brand i {
            color: var(--gold);
            font-size: 16px;
        }

        .mobile-toggle {
            width: 40px;
            height: 40px;
            background: transparent;
            border: 1px solid rgba(216, 195, 161, .3);
            border-radius: 2px;
            color: var(--paper);
            font-size: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all .2s;
        }

        .mobile-toggle:hover {
            border-color: var(--gold);
            color: var(--gold);
        }

        /* 移动端全屏菜单 */
        .mobile-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(28, 26, 23, .96);
            z-index: 1060;
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0;
            visibility: hidden;
            transition: opacity .3s ease, visibility .3s;
        }

        .mobile-overlay.active {
            opacity: 1;
            visibility: visible;
        }

        .mobile-menu {
            text-align: center;
            width: 100%;
            max-width: 400px;
            padding: 0 24px;
        }

        .mobile-menu-brand {
            font-family: var(--font-serif);
            font-size: 28px;
            color: var(--paper);
            margin-bottom: 32px;
            letter-spacing: .08em;
            display: block;
        }

        .mobile-menu-brand i {
            color: var(--gold);
            margin-right: 6px;
        }

        .mobile-menu-nav {
            display: flex;
            flex-direction: column;
            gap: 8px;
            margin-bottom: 32px;
        }

        .mobile-menu-nav a {
            font-family: var(--font-serif);
            font-size: 24px;
            font-weight: 300;
            color: rgba(246, 242, 234, .7);
            padding: 12px 0;
            border-bottom: 1px solid rgba(216, 195, 161, .1);
            transition: all .25s;
        }

        .mobile-menu-nav a.active {
            color: var(--gold-soft);
        }

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

        .mobile-menu-close {
            position: absolute;
            top: 24px;
            right: 24px;
            width: 44px;
            height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            border: 1px solid rgba(216, 195, 161, .3);
            border-radius: 50%;
            color: var(--paper);
            font-size: 20px;
            transition: all .25s;
        }

        .mobile-menu-close:hover {
            transform: rotate(90deg);
            border-color: var(--gold);
            color: var(--gold);
        }

        /* ========== 主内容区 ========== */
        .main-content {
            margin-left: 240px;
            min-height: 100vh;
            position: relative;
            z-index: 1;
        }

        /* ========== Hero ========== */
        .hero {
            min-height: 86vh;
            position: relative;
            display: flex;
            align-items: center;
            background: var(--paper);
            padding: 100px 40px 80px;
            overflow: hidden;
            animation: fadeUp .7s ease forwards;
        }

        .hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') no-repeat center right / 55% auto;
            opacity: .18;
            z-index: 0;
        }

        .hero::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, var(--paper) 0%, transparent 70%);
            z-index: 1;
        }

        .hero-inner {
            position: relative;
            z-index: 2;
            max-width: 640px;
        }

        .hero-tag {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            letter-spacing: .12em;
            color: var(--gold);
            font-weight: 400;
            text-transform: uppercase;
            margin-bottom: 24px;
        }

        .hero-tag::before {
            content: "";
            width: 32px;
            height: 1px;
            background: var(--gold);
        }

        .hero-title {
            font-family: var(--font-serif);
            font-size: 54px;
            font-weight: 200;
            line-height: 1.25;
            color: var(--ink);
            letter-spacing: .02em;
            margin-bottom: 20px;
        }

        .hero-title em {
            font-style: normal;
            color: var(--gold);
        }

        .hero-sub {
            font-size: 17px;
            color: var(--muted);
            line-height: 1.8;
            margin-bottom: 36px;
            max-width: 560px;
        }

        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border-radius: 2px;
            font-size: 15px;
            font-weight: 400;
            letter-spacing: .02em;
            padding: 12px 28px;
            transition: all .25s ease;
            border: none;
        }

        .btn-primary {
            background: var(--ink);
            color: var(--paper);
            border: 1px solid var(--ink);
        }

        .btn-primary:hover {
            background: var(--gold);
            border-color: var(--gold);
            color: var(--ink);
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(28, 26, 23, .15);
        }

        .btn-secondary {
            background: transparent;
            color: var(--ink);
            border: 1px solid var(--ink);
        }

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

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

        .hero-scroll {
            position: absolute;
            bottom: 32px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 3;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            border: 1px solid var(--line);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--muted);
            font-size: 14px;
            transition: all .3s ease;
        }

        .hero-scroll:hover {
            border-color: var(--gold);
            color: var(--gold);
            transform: translateX(-50%) translateY(3px);
        }

        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* ========== 通用区块 ========== */
        .section {
            padding: 100px 40px;
        }

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

        .section-paper2 {
            background: var(--paper-2);
        }

        .section-head {
            margin-bottom: 56px;
            display: flex;
            flex-wrap: wrap;
            align-items: flex-end;
            justify-content: space-between;
            gap: 16px;
        }

        .section-tag {
            display: block;
            font-size: 12px;
            letter-spacing: .1em;
            color: var(--gold);
            font-weight: 400;
            text-transform: uppercase;
            margin-bottom: 10px;
        }

        .section-title {
            font-family: var(--font-serif);
            font-size: 34px;
            font-weight: 200;
            line-height: 1.35;
            color: var(--ink);
            letter-spacing: .01em;
        }

        .section-link {
            font-size: 14px;
            color: var(--muted);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all .25s;
        }

        .section-link i {
            font-size: 12px;
            transition: transform .25s;
        }

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

        .section-link:hover i {
            transform: translateX(4px);
        }

        /* ========== 卖点三连 ========== */
        .features {
            background: var(--white);
            border-top: 1px solid var(--line);
            border-bottom: 1px solid var(--line);
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .feature-card {
            background: var(--white);
            border: 1px solid var(--line);
            border-radius: 4px;
            padding: 36px 32px 32px;
            position: relative;
            transition: all .25s ease;
            box-shadow: var(--shadow-sm);
        }

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

        .feature-num {
            font-family: var(--font-serif);
            font-size: 44px;
            font-weight: 200;
            color: var(--gold);
            line-height: 1;
            display: block;
            margin-bottom: 20px;
        }

        .feature-icon {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 24px;
        }

        .feature-icon i {
            font-size: 28px;
            color: var(--gold);
            font-weight: 300;
        }

        .feature-card h3 {
            font-family: var(--font-sans);
            font-size: 21px;
            font-weight: 500;
            margin-bottom: 12px;
            color: var(--ink);
            letter-spacing: .01em;
        }

        .feature-card p {
            font-size: 15px;
            color: var(--muted);
            line-height: 1.8;
            margin-bottom: 20px;
        }

        .feature-line {
            width: 28px;
            height: 1px;
            background: var(--gold);
        }

        /* ========== 场景演示 ========== */
        .showcase {
            background: var(--paper);
        }

        .showcase-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 64px;
            align-items: center;
            margin-bottom: 80px;
        }

        .showcase-row:last-child {
            margin-bottom: 0;
        }

        .showcase-img-wrap {
            position: relative;
        }

        .showcase-img-wrap::before {
            content: "";
            position: absolute;
            top: 12px;
            left: 12px;
            width: 100%;
            height: 100%;
            border: 1px solid var(--gold-soft);
            border-radius: 2px;
            z-index: 0;
        }

        .showcase-img-wrap img {
            position: relative;
            z-index: 1;
            width: 100%;
            height: 320px;
            object-fit: cover;
            border-radius: 2px;
            box-shadow: var(--shadow-md);
        }

        .showcase-img-wrap img:not([src]),
        .showcase-img-wrap img[src=""] {
            background: var(--paper-2);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .showcase-body {
            padding-left: 8px;
        }

        .showcase-body .section-tag {
            margin-bottom: 14px;
        }

        .showcase-body h2 {
            font-family: var(--font-serif);
            font-size: 30px;
            font-weight: 200;
            line-height: 1.4;
            margin-bottom: 20px;
            color: var(--ink);
        }

        .showcase-body p {
            font-size: 15px;
            color: var(--muted);
            line-height: 1.85;
            margin-bottom: 16px;
        }

        .showcase-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 8px 16px;
            margin-top: 24px;
            padding-top: 20px;
            border-top: 1px solid var(--line);
        }

        .showcase-list span {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--ink);
        }

        .showcase-list span::before {
            content: "";
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--gold);
            flex-shrink: 0;
        }

        /* ========== 社会认同 ========== */
        .stats {
            background: var(--paper-2);
            border-top: 1px solid var(--line);
            border-bottom: 1px solid var(--line);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-bottom: 64px;
        }

        .stat-item {
            text-align: center;
            padding: 24px 16px;
            border-left: 1px solid var(--line);
        }

        .stat-item:first-child {
            border-left: none;
        }

        .stat-num {
            font-family: var(--font-serif);
            font-size: 42px;
            font-weight: 200;
            color: var(--gold);
            line-height: 1.2;
            display: block;
        }

        .stat-label {
            font-size: 13px;
            color: var(--muted);
            margin-top: 4px;
            letter-spacing: .02em;
        }

        .testimonial {
            max-width: 800px;
            margin: 0 auto;
            text-align: center;
        }

        .testimonial-quote {
            font-family: var(--font-serif);
            font-size: 18px;
            line-height: 1.9;
            color: var(--ink);
            padding-left: 20px;
            border-left: 2px solid var(--gold);
            text-align: left;
            margin-bottom: 20px;
        }

        .testimonial-author {
            font-size: 14px;
            color: var(--muted);
            letter-spacing: .02em;
        }

        /* ========== 资讯板块 ========== */
        .news-section {
            background: var(--paper);
        }

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

        .news-item {
            display: block;
            padding: 28px 16px 28px 0;
            border-bottom: 1px solid var(--line);
            transition: all .25s ease;
            position: relative;
        }

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

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

        .news-item:hover {
            padding-left: 4px;
        }

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

        .news-badge {
            display: inline-block;
            font-size: 12px;
            letter-spacing: .05em;
            color: var(--gold);
            border: 1px solid rgba(176, 141, 87, .4);
            border-radius: 999px;
            padding: 2px 12px;
            margin-bottom: 10px;
            font-weight: 400;
        }

        .news-title {
            font-family: var(--font-sans);
            font-size: 20px;
            font-weight: 500;
            color: var(--ink);
            margin-bottom: 8px;
            line-height: 1.5;
            transition: color .2s;
        }

        .news-excerpt {
            font-size: 15px;
            color: var(--muted);
            line-height: 1.75;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 8px;
            max-width: 860px;
        }

        .news-meta {
            display: flex;
            align-items: center;
            gap: 20px;
            font-size: 13px;
            color: var(--muted);
        }

        .news-meta a.read-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            color: var(--muted);
            font-size: 13px;
            transition: all .2s;
        }

        .news-meta a.read-link:hover {
            color: var(--gold);
        }

        .news-meta a.read-link i {
            font-size: 11px;
        }

        .news-empty {
            text-align: center;
            padding: 60px 24px;
            color: var(--muted);
            font-size: 15px;
        }

        .news-empty i {
            display: block;
            font-size: 36px;
            color: var(--gold-soft);
            margin-bottom: 12px;
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--paper-2);
            border-top: 1px solid var(--line);
            border-bottom: 1px solid var(--line);
        }

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

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

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

        .accordion-button {
            background: transparent;
            font-family: var(--font-serif);
            font-size: 18px;
            font-weight: 500;
            color: var(--ink);
            padding: 20px 16px 20px 24px;
            border: none;
            box-shadow: none;
            border-left: 2px solid transparent;
            transition: all .25s ease;
            position: relative;
        }

        .accordion-button:not(.collapsed) {
            background: transparent;
            color: var(--gold);
            box-shadow: none;
            border-left-color: var(--gold);
        }

        .accordion-button:focus {
            box-shadow: none;
            outline: none;
            background: transparent;
        }

        .accordion-button::after {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' viewBox='0 0 16 16'%3E%3Cpath stroke='%23B08D57' stroke-width='1.5' d='M4 6l4 4 4-4'/%3E%3C/svg%3E") !important;
            transition: transform .25s ease;
        }

        .accordion-body {
            padding: 4px 24px 24px 26px;
            font-size: 15px;
            color: var(--muted);
            line-height: 1.85;
            border-left: 2px solid transparent;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: var(--ink);
            padding: 100px 40px;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            top: 0;
            right: 0;
            width: 50%;
            height: 100%;
            background: url('/assets/images/backpic/back-2.png') no-repeat center center / cover;
            opacity: .1;
        }

        .cta-inner {
            position: relative;
            z-index: 1;
            max-width: 640px;
        }

        .cta-inner h2 {
            font-family: var(--font-serif);
            font-size: 34px;
            font-weight: 200;
            color: var(--paper);
            line-height: 1.4;
            margin-bottom: 16px;
        }

        .cta-inner p {
            color: rgba(246, 242, 234, .6);
            font-size: 15px;
            line-height: 1.7;
            margin-bottom: 32px;
        }

        .cta-inner .btn-primary {
            background: var(--gold);
            color: var(--ink);
            border-color: var(--gold);
        }

        .cta-inner .btn-primary:hover {
            background: var(--gold-soft);
            border-color: var(--gold-soft);
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--ink);
            padding: 72px 40px 32px;
            color: rgba(246, 242, 234, .7);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 48px;
            margin-bottom: 48px;
        }

        .footer-brand .footer-logo {
            font-family: var(--font-serif);
            font-size: 24px;
            color: var(--paper);
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }

        .footer-brand .footer-logo i {
            color: var(--gold);
            font-size: 18px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(246, 242, 234, .5);
        }

        .footer-col h4 {
            font-size: 13px;
            color: var(--gold-soft);
            letter-spacing: .06em;
            margin-bottom: 18px;
            font-weight: 400;
            text-transform: uppercase;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col ul li a {
            font-size: 14px;
            color: rgba(246, 242, 234, .55);
            transition: all .2s;
        }

        .footer-col ul li a:hover {
            color: var(--gold-soft);
            padding-left: 4px;
        }

        .footer-contact li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: rgba(246, 242, 234, .55);
        }

        .footer-contact li i {
            color: var(--gold);
            margin-top: 4px;
            font-size: 13px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(246, 242, 234, .08);
            padding-top: 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }

        .footer-bottom p {
            font-size: 13px;
            color: rgba(246, 242, 234, .4);
            margin: 0;
        }

        /* ========== 移动端底部固定条 ========== */
        .mobile-bottom-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 60px;
            background: var(--ink);
            z-index: 1020;
            display: none;
            align-items: center;
            justify-content: space-between;
            padding: 0 20px;
            box-shadow: 0 -4px 16px rgba(28, 26, 23, .2);
            transition: transform .3s ease;
        }

        .mobile-bottom-bar.bar-hidden {
            transform: translateY(100%);
        }

        .bottom-bar-text {
            font-size: 14px;
            color: var(--paper);
            font-family: var(--font-serif);
            letter-spacing: .02em;
        }

        .bottom-bar-text small {
            display: block;
            font-size: 10px;
            color: rgba(246, 242, 234, .5);
            font-family: var(--font-sans);
        }

        .bottom-bar-btn {
            background: var(--gold);
            color: var(--ink);
            font-size: 14px;
            font-weight: 500;
            padding: 8px 22px;
            border-radius: 2px;
            transition: all .2s;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .bottom-bar-btn:hover {
            background: var(--gold-soft);
            color: var(--ink);
        }

        .bottom-bar-close {
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(246, 242, 234, .5);
            font-size: 18px;
            margin-left: 8px;
            transition: all .2s;
        }

        .bottom-bar-close:hover {
            color: var(--gold);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .section {
                padding: 80px 28px;
            }
            .hero {
                padding: 80px 28px;
            }
            .showcase-row {
                gap: 40px;
            }
            .showcase-img-wrap img {
                height: 280px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 36px;
            }
        }

        @media (max-width: 768px) {
            .sidebar {
                display: none;
            }
            .mobile-header {
                display: flex;
            }
            .main-content {
                margin-left: 0;
                padding-top: 64px;
            }
            .hero {
                min-height: 75vh;
                padding: 70px 20px 100px;
            }
            .hero::before {
                background-position: center right;
                background-size: 100% auto;
                opacity: .12;
            }
            .hero-title {
                font-size: 36px;
            }
            .hero-sub {
                font-size: 15px;
            }
            .section {
                padding: 60px 20px;
            }
            .section-title {
                font-size: 28px;
            }
            .features-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .showcase-row {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .showcase-row.reverse {
                display: flex;
                flex-direction: column-reverse;
            }
            .showcase-img-wrap img {
                height: 220px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
                margin-bottom: 40px;
            }
            .stat-item {
                border-left: none;
                border-bottom: 1px solid var(--line);
                padding: 16px;
            }
            .stat-num {
                font-size: 34px;
            }
            .cta-section {
                padding: 64px 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .mobile-bottom-bar {
                display: flex;
            }
            .site-footer {
                padding-bottom: 100px;
            }
            .section-head {
                margin-bottom: 32px;
            }
        }

        @media (max-width: 576px) {
            .hero {
                padding: 50px 16px 90px;
            }
            .hero-title {
                font-size: 30px;
            }
            .hero-actions .btn {
                width: 100%;
                justify-content: center;
            }
            .section-title {
                font-size: 24px;
            }
            .feature-card {
                padding: 28px 24px;
            }
            .showcase-body h2 {
                font-size: 24px;
            }
            .showcase-list {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .news-title {
                font-size: 17px;
            }
            .news-excerpt {
                font-size: 14px;
            }
        }

/* roulang page: category1 */
:root {
            --ink: #1C1A17;
            --ink-2: #2A2723;
            --gold: #B08D57;
            --gold-soft: #D8C3A1;
            --paper: #F6F2EA;
            --paper-2: #EFE9DF;
            --line: #E4DED3;
            --muted: #6E6860;
            --white: #FFFFFF;
            --shadow-sm: 0 2px 8px rgba(28, 26, 23, .05);
            --shadow-md: 0 6px 24px rgba(28, 26, 23, .08);
            --radius: 4px;
            --sidebar-w: 240px;
            --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", Georgia, serif;
            --font-sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-weight: 300;
            color: var(--ink);
            background: var(--paper);
            line-height: 1.8;
            font-size: 16px;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color .2s ease;
        }

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

        button,
        input {
            font-family: inherit;
            border: none;
            background: none;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 40px;
        }

        /* ============ 布局 ============ */
        .layout-wrap {
            display: flex;
            min-height: 100vh;
            width: 100%;
        }

        .main-area {
            flex: 1;
            margin-left: var(--sidebar-w);
            width: calc(100% - var(--sidebar-w));
            background: var(--paper);
            display: flex;
            flex-direction: column;
        }

        /* ============ 左侧导航 ============ */
        .sidebar {
            width: var(--sidebar-w);
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            background: var(--ink);
            z-index: 1040;
            display: flex;
            flex-direction: column;
            padding: 32px 24px 28px;
            border-right: 1px solid rgba(176, 141, 87, .12);
        }

        .sidebar-inner {
            display: flex;
            flex-direction: column;
            height: 100%;
            width: 100%;
        }

        .sidebar-top .side-logo {
            font-family: var(--font-serif);
            font-size: 24px;
            font-weight: 300;
            color: var(--paper);
            letter-spacing: .02em;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .side-logo i {
            color: var(--gold);
            font-size: 18px;
        }

        .side-sub {
            color: var(--gold-soft);
            font-size: 12px;
            letter-spacing: .08em;
            margin-top: 10px;
            padding-left: 28px;
            opacity: .85;
        }

        .sidebar-nav {
            margin-top: 52px;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 12px;
            color: rgba(246, 242, 234, .68);
            font-size: 15px;
            font-weight: 300;
            padding: 14px 16px;
            border-left: 2px solid transparent;
            border-radius: 0 2px 2px 0;
            transition: all .22s ease;
            letter-spacing: .01em;
        }

        .sidebar-nav a i {
            width: 18px;
            text-align: center;
            font-size: 14px;
            color: rgba(176, 141, 87, .85);
        }

        .sidebar-nav a:hover {
            color: var(--paper);
            background: var(--ink-2);
            border-left-color: var(--gold);
        }

        .sidebar-nav a.active {
            color: var(--paper);
            border-left-color: var(--gold);
            background: linear-gradient(90deg, rgba(176, 141, 87, .15), rgba(176, 141, 87, .02));
            font-weight: 400;
        }

        .sidebar-cta {
            margin-top: auto;
            padding-top: 24px;
            border-top: 1px solid rgba(176, 141, 87, .18);
        }

        .sidebar-cta .btn-sidebar {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--gold);
            color: var(--ink);
            border: 1px solid var(--gold);
            border-radius: 2px;
            padding: 12px 18px;
            font-size: 14px;
            font-weight: 400;
            letter-spacing: .03em;
            transition: all .22s ease;
            width: 100%;
            cursor: pointer;
        }

        .sidebar-cta .btn-sidebar:hover {
            background: transparent;
            color: var(--gold-soft);
            border-color: var(--gold-soft);
        }

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

        .sidebar-cta>p {
            color: rgba(246, 242, 234, .55);
            font-size: 13px;
            text-align: center;
            margin-top: 12px;
            letter-spacing: .03em;
        }

        /* ============ 移动端头部 ============ */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 64px;
            background: var(--ink);
            z-index: 1050;
            align-items: center;
            justify-content: space-between;
            padding: 0 24px;
            border-bottom: 1px solid rgba(176, 141, 87, .2);
        }

        .mobile-header .mobile-logo {
            font-family: var(--font-serif);
            font-size: 20px;
            font-weight: 300;
            color: var(--paper);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .mobile-logo i {
            color: var(--gold);
            font-size: 16px;
        }

        .mobile-toggle {
            color: var(--paper);
            font-size: 20px;
            padding: 8px 12px;
            border-radius: 2px;
            transition: color .2s ease;
        }

        .mobile-toggle:hover {
            color: var(--gold-soft);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            background: var(--ink-2);
            z-index: 1045;
            padding: 20px 24px 28px;
            border-bottom: 1px solid rgba(176, 141, 87, .25);
            flex-direction: column;
            gap: 4px;
            box-shadow: var(--shadow-md);
        }

        .mobile-menu.open {
            display: flex;
        }

        .mobile-menu a {
            font-family: var(--font-serif);
            font-size: 20px;
            font-weight: 300;
            color: rgba(246, 242, 234, .85);
            padding: 13px 12px;
            border-left: 2px solid transparent;
            border-radius: 0 2px 2px 0;
            transition: all .2s ease;
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--paper);
            border-left-color: var(--gold);
            background: rgba(176, 141, 87, .08);
        }

        /* ============ Hero ============ */
        .category-hero {
            position: relative;
            min-height: 40vh;
            padding: 90px 0 80px;
            background: linear-gradient(135deg, var(--ink) 0%, var(--ink-2) 100%);
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .category-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center / cover no-repeat;
            opacity: .16;
            z-index: 0;
        }

        .category-hero::after {
            content: "";
            position: absolute;
            width: 320px;
            height: 320px;
            border: 1px solid rgba(176, 141, 87, .2);
            border-radius: 50%;
            right: -60px;
            bottom: -80px;
            z-index: 0;
        }

        .category-hero-content {
            position: relative;
            z-index: 1;
            color: var(--paper);
            max-width: 720px;
        }

        .hero-tag {
            display: inline-block;
            font-size: 13px;
            letter-spacing: .14em;
            color: var(--gold-soft);
            text-transform: uppercase;
            border: 1px solid rgba(176, 141, 87, .4);
            border-radius: 999px;
            padding: 5px 18px;
            margin-bottom: 26px;
            background: rgba(176, 141, 87, .08);
        }

        .category-hero h1 {
            font-family: var(--font-serif);
            font-size: 50px;
            font-weight: 200;
            line-height: 1.3;
            letter-spacing: .01em;
            margin-bottom: 18px;
        }

        .hero-desc {
            font-size: 16px;
            color: rgba(246, 242, 234, .72);
            max-width: 560px;
            line-height: 1.9;
            margin-bottom: 32px;
        }

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

        .btn-main {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--gold);
            color: var(--ink);
            border: 1px solid var(--gold);
            border-radius: 2px;
            padding: 12px 26px;
            font-size: 15px;
            font-weight: 400;
            letter-spacing: .03em;
            transition: all .22s ease;
            cursor: pointer;
            box-shadow: 0 2px 10px rgba(176, 141, 87, .15);
        }

        .btn-main:hover {
            background: transparent;
            color: var(--gold-soft);
            border-color: var(--gold-soft);
            box-shadow: none;
        }

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

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--gold-soft);
            border: 1px solid rgba(216, 195, 161, .5);
            border-radius: 2px;
            padding: 12px 26px;
            font-size: 15px;
            font-weight: 300;
            letter-spacing: .03em;
            transition: all .22s ease;
            cursor: pointer;
        }

        .btn-outline:hover {
            border-color: var(--gold);
            color: var(--gold);
            background: rgba(176, 141, 87, .08);
        }

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

        /* ============ 通用板块 ============ */
        .section-block {
            padding: 80px 0;
        }

        .section-block.alt-bg {
            background: var(--paper-2);
        }

        .section-tag {
            font-size: 13px;
            letter-spacing: .12em;
            color: var(--gold);
            text-transform: uppercase;
            margin-bottom: 12px;
            font-weight: 400;
        }

        .section-title {
            font-family: var(--font-serif);
            font-size: 32px;
            font-weight: 300;
            line-height: 1.4;
            letter-spacing: .01em;
            color: var(--ink);
            margin-bottom: 14px;
        }

        .section-desc {
            color: var(--muted);
            font-size: 15px;
            max-width: 640px;
            line-height: 1.9;
            margin-bottom: 44px;
        }

        /* ============ 介绍板块 ============ */
        .intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
        }

        .intro-media {
            position: relative;
        }

        .intro-media img {
            width: 100%;
            border-radius: 2px;
            box-shadow: var(--shadow-md);
            aspect-ratio: 4 / 3;
            object-fit: cover;
        }

        .intro-media::before {
            content: "";
            position: absolute;
            top: -12px;
            left: -12px;
            right: 12px;
            bottom: 12px;
            border: 1px solid var(--gold);
            border-radius: 2px;
            z-index: -1;
        }

        .intro-text p {
            color: var(--muted);
            font-size: 15px;
            line-height: 2;
            margin-bottom: 16px;
        }

        .intro-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px 24px;
            margin-top: 28px;
            padding-top: 24px;
            border-top: 1px solid var(--line);
        }

        .intro-list li {
            list-style: none;
            font-size: 14px;
            color: var(--ink);
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 400;
        }

        .intro-list li::before {
            content: "";
            width: 18px;
            height: 1px;
            background: var(--gold);
            display: inline-block;
        }

        /* ============ 内容卡片 ============ */
        .card-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .content-card {
            background: var(--white);
            border: 1px solid var(--line);
            border-radius: var(--radius);
            overflow: hidden;
            padding: 0 0 30px;
            box-shadow: var(--shadow-sm);
            transition: all .25s ease;
            display: flex;
            flex-direction: column;
        }

        .content-card:hover {
            transform: translateY(-4px);
            border-color: rgba(176, 141, 87, .45);
            box-shadow: var(--shadow-md);
        }

        .card-media {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: var(--paper-2);
        }

        .card-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }

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

        .card-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(28, 26, 23, .82);
            color: var(--gold-soft);
            font-size: 12px;
            letter-spacing: .06em;
            padding: 4px 12px;
            border-radius: 999px;
            backdrop-filter: none;
            border: 1px solid rgba(176, 141, 87, .35);
        }

        .card-body-custom {
            padding: 24px 26px 0;
            flex: 1;
        }

        .card-body-custom h3 {
            font-family: var(--font-sans);
            font-size: 18px;
            font-weight: 500;
            color: var(--ink);
            line-height: 1.5;
            margin-bottom: 10px;
        }

        .card-body-custom p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.9;
            margin-bottom: 0;
        }

        .card-footer-line {
            width: 28px;
            height: 1px;
            background: var(--gold);
            margin: 18px 26px 0;
        }

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

        .stat-item {
            padding: 20px 10px;
            position: relative;
        }

        .stat-item+.stat-item::before {
            content: "";
            position: absolute;
            left: -16px;
            top: 20%;
            height: 60%;
            width: 1px;
            background: var(--line);
        }

        .stat-number {
            font-family: var(--font-serif);
            font-size: 42px;
            font-weight: 200;
            color: var(--gold);
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .stat-label {
            font-size: 13px;
            color: var(--muted);
            letter-spacing: .04em;
        }

        /* ============ 内容方向 ============ */
        .dir-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 40px;
            margin-top: 40px;
        }

        .dir-item {
            padding-top: 20px;
            border-top: 1px solid var(--line);
            position: relative;
        }

        .dir-item:hover {
            border-top-color: var(--gold);
        }

        .dir-num {
            font-family: var(--font-serif);
            font-size: 20px;
            font-weight: 200;
            color: var(--gold);
            margin-bottom: 8px;
        }

        .dir-item h3 {
            font-size: 18px;
            font-weight: 500;
            color: var(--ink);
            margin-bottom: 10px;
        }

        .dir-item p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.9;
            margin-bottom: 0;
        }

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

        .faq-item {
            border: 1px solid var(--line);
            border-radius: var(--radius);
            margin-bottom: 14px;
            background: var(--white);
            overflow: hidden;
            transition: border-color .2s ease;
        }

        .faq-item:has(.accordion-button:not(.collapsed)) {
            border-left: 2px solid var(--gold);
        }

        .faq-item .accordion-button {
            font-family: var(--font-serif);
            font-size: 17px;
            font-weight: 500;
            color: var(--ink);
            background: transparent;
            padding: 20px 24px;
            border: none;
            box-shadow: none;
            border-radius: 0;
            transition: color .2s ease;
            display: flex;
            justify-content: space-between;
            align-items: center;
            width: 100%;
            text-align: left;
        }

        .faq-item .accordion-button::after {
            content: "\f107";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            background: none;
            width: auto;
            height: auto;
            margin-left: auto;
            color: var(--gold);
            font-size: 17px;
            transition: transform .25s ease;
            flex-shrink: 0;
        }

        .faq-item .accordion-button:not(.collapsed) {
            color: var(--ink);
            background: transparent;
        }

        .faq-item .accordion-button:not(.collapsed)::after {
            transform: rotate(180deg);
        }

        .faq-item .accordion-button:focus {
            box-shadow: none;
            border-color: var(--gold);
            outline: none;
        }

        .faq-item .accordion-button:hover {
            color: var(--gold);
        }

        .faq-item .accordion-body {
            padding: 0 24px 22px;
            font-size: 15px;
            color: var(--muted);
            line-height: 1.9;
            border-top: 1px solid transparent;
        }

        /* ============ CTA ============ */
        .cta-section {
            background: var(--ink);
            padding: 80px 0;
            position: relative;
            overflow: hidden;
            text-align: center;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            width: 420px;
            height: 420px;
            border: 1px solid rgba(176, 141, 87, .2);
            border-radius: 50%;
            right: -100px;
            top: -140px;
        }

        .cta-section h2 {
            font-family: var(--font-serif);
            font-size: 34px;
            font-weight: 200;
            color: var(--paper);
            margin-bottom: 12px;
            letter-spacing: .01em;
        }

        .cta-section p {
            color: rgba(246, 242, 234, .6);
            font-size: 15px;
            margin-bottom: 32px;
        }

        .cta-link {
            font-size: 14px;
            color: var(--gold-soft);
            letter-spacing: .03em;
            margin-left: 18px;
            border-bottom: 1px solid rgba(216, 195, 161, .4);
            padding-bottom: 2px;
            transition: all .2s ease;
            display: inline-block;
        }

        .cta-link:hover {
            color: var(--gold);
            border-bottom-color: var(--gold);
        }

        /* ============ 页脚 ============ */
        .site-footer {
            margin-top: auto;
            background: var(--ink);
            color: rgba(246, 242, 234, .75);
            padding: 56px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-logo {
            font-family: var(--font-serif);
            font-size: 22px;
            font-weight: 300;
            color: var(--paper);
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 14px;
        }

        .footer-logo i {
            color: var(--gold);
            font-size: 17px;
        }

        .footer-brand p {
            font-size: 13px;
            color: rgba(246, 242, 234, .55);
            line-height: 1.9;
            max-width: 300px;
            margin-bottom: 0;
        }

        .footer-col h4 {
            font-size: 13px;
            color: var(--gold-soft);
            letter-spacing: .08em;
            margin-bottom: 16px;
            font-weight: 400;
        }

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

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul a {
            font-size: 14px;
            color: rgba(246, 242, 234, .68);
            transition: color .2s ease;
            display: inline-block;
        }

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

        .footer-contact li {
            font-size: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
            color: rgba(246, 242, 234, .68);
        }

        .footer-contact li i {
            color: var(--gold);
            font-size: 13px;
            width: 16px;
            text-align: center;
        }

        .footer-bottom {
            border-top: 1px solid rgba(176, 141, 87, .18);
            padding: 18px 0;
            text-align: center;
        }

        .footer-bottom p {
            margin: 0;
            font-size: 13px;
            color: rgba(246, 242, 234, .42);
            line-height: 1.6;
        }

        /* ============ 响应式 ============ */
        @media (max-width: 1199.98px) {
            .container-custom {
                padding: 0 32px;
            }
        }

        @media (max-width: 991.98px) {
            .container-custom {
                padding: 0 28px;
            }
            .intro-grid {
                gap: 36px;
            }
            .card-grid {
                gap: 18px;
            }
            .stats-grid {
                gap: 16px;
            }
            .stat-number {
                font-size: 34px;
            }
        }

        @media (max-width: 767.98px) {
            .sidebar {
                display: none;
            }
            .mobile-header {
                display: flex;
            }
            .main-area {
                margin-left: 0;
                width: 100%;
                padding-top: 64px;
            }
            .container-custom {
                padding: 0 22px;
            }
            .category-hero {
                padding: 64px 0 56px;
                min-height: 45vh;
            }
            .category-hero h1 {
                font-size: 34px;
            }
            .category-hero .hero-desc {
                font-size: 15px;
            }
            .section-block {
                padding: 48px 0;
            }
            .section-title {
                font-size: 28px;
            }
            .intro-grid {
                grid-template-columns: 1fr;
            }
            .intro-media {
                order: 1;
            }
            .intro-text {
                order: 2;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .stat-item+.stat-item::before {
                display: none;
            }
            .dir-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .cta-section {
                padding: 60px 0;
            }
            .cta-section h2 {
                font-size: 27px;
            }
        }

        @media (max-width: 575.98px) {
            .container-custom {
                padding: 0 18px;
            }
            .category-hero h1 {
                font-size: 30px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: flex-start;
            }
            .hero-actions .btn-main,
            .hero-actions .btn-outline {
                width: 100%;
                justify-content: center;
            }
            .stats-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .intro-list {
                grid-template-columns: 1fr;
            }
            .section-title {
                font-size: 26px;
            }
            .card-body-custom h3 {
                font-size: 17px;
            }
            .faq-item .accordion-button {
                font-size: 16px;
                padding: 18px 18px;
            }
            .faq-item .accordion-body {
                padding: 0 18px 18px;
                font-size: 14px;
            }
        }

/* roulang page: article */
:root {
            --ink: #1C1A17;
            --ink-2: #2A2723;
            --gold: #B08D57;
            --gold-soft: #D8C3A1;
            --paper: #F6F2EA;
            --paper-2: #EFE9DF;
            --line: #E4DED3;
            --muted: #6E6860;
            --white: #FFFFFF;
            --shadow-sm: 0 2px 8px rgba(28, 26, 23, .05);
            --shadow-md: 0 6px 24px rgba(28, 26, 23, .08);
            --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", serif;
            --font-sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: var(--font-sans);
            background: var(--paper);
            color: var(--ink);
            font-size: 15px;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color .2s ease;
        }

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

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

        a:focus-visible,
        button:focus-visible {
            outline: 2px solid rgba(176, 141, 87, .6);
            outline-offset: 2px;
        }

        /* ========== 左侧导航 ========== */
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: 240px;
            height: 100vh;
            background: var(--ink);
            color: var(--paper);
            display: flex;
            flex-direction: column;
            padding: 32px 0 28px;
            z-index: 1040;
        }

        .sidebar-header {
            padding: 0 28px 28px;
            border-bottom: 1px solid rgba(246, 242, 234, .08);
        }

        .sidebar-logo {
            font-family: var(--font-serif);
            font-size: 24px;
            font-weight: 300;
            color: var(--paper);
            display: flex;
            align-items: center;
            gap: 10px;
            letter-spacing: .02em;
            line-height: 1.2;
        }

        .sidebar-logo i {
            color: var(--gold);
            font-size: 18px;
        }

        .sidebar-tagline {
            display: block;
            font-size: 12px;
            color: var(--gold-soft);
            margin-top: 10px;
            letter-spacing: .08em;
            font-weight: 300;
        }

        .sidebar-nav {
            flex: 1;
            padding: 16px 0;
            display: flex;
            flex-direction: column;
        }

        .sidebar-nav a {
            display: flex;
            align-items: center;
            height: 52px;
            padding: 0 28px;
            color: rgba(246, 242, 234, .7);
            font-size: 15px;
            font-weight: 400;
            border-left: 2px solid transparent;
            transition: all .25s ease;
        }

        .sidebar-nav a i {
            width: 24px;
            margin-right: 12px;
            color: var(--gold-soft);
            font-size: 14px;
            text-align: center;
        }

        .sidebar-nav a:hover {
            color: var(--gold);
            background: var(--ink-2);
            border-left-color: var(--gold);
        }

        .sidebar-nav a.active {
            color: var(--paper);
            border-left-color: var(--gold);
            background: linear-gradient(90deg, rgba(176, 141, 87, .15), transparent);
        }

        .sidebar-nav a.active i {
            color: var(--gold);
        }

        .sidebar-cta {
            padding: 24px 28px 0;
            border-top: 1px solid rgba(246, 242, 234, .08);
            text-align: center;
        }

        .btn-sidebar {
            display: block;
            background: var(--gold);
            color: var(--ink);
            padding: 10px 20px;
            border-radius: 2px;
            font-size: 14px;
            font-weight: 600;
            transition: all .25s ease;
        }

        .btn-sidebar:hover {
            background: var(--gold-soft);
            color: var(--ink);
            transform: translateY(-2px);
        }

        .sidebar-phone {
            display: block;
            margin-top: 12px;
            color: var(--gold-soft);
            font-size: 13px;
            letter-spacing: .03em;
        }

        .menu-toggle {
            display: none;
        }

        /* ========== 主内容区 ========== */
        .main-wrap {
            margin-left: 240px;
            min-height: 100vh;
            background: var(--paper);
            animation: fadeUp .6s ease both;
        }

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

        .page-content {
            max-width: 1200px;
            margin: 0 auto;
            padding: 48px 40px 24px;
        }

        /* ========== 面包屑 ========== */
        .breadcrumb-nav {
            margin-bottom: 40px;
        }

        .breadcrumb-nav .breadcrumb {
            margin-bottom: 0;
            font-size: 13px;
            --bs-breadcrumb-divider: '/';
        }

        .breadcrumb-nav .breadcrumb-item + .breadcrumb-item::before {
            content: "/";
            color: var(--line);
            padding: 0 .6rem;
        }

        .breadcrumb-nav .breadcrumb a {
            color: var(--muted);
            text-decoration: none;
            transition: color .2s;
        }

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

        .breadcrumb-nav .breadcrumb .active {
            color: var(--ink);
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            max-width: 340px;
            display: inline-block;
            font-weight: 400;
        }

        /* ========== 文章头部 ========== */
        .article-header {
            padding-bottom: 40px;
            margin-bottom: 40px;
            border-bottom: 1px solid var(--line);
        }

        .article-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px 20px;
            font-size: 13px;
            color: var(--muted);
            margin-bottom: 24px;
        }

        .badge-category {
            display: inline-block;
            padding: 4px 14px;
            border: 1px solid var(--gold);
            color: var(--gold);
            border-radius: 999px;
            font-size: 12px;
            letter-spacing: .05em;
            background: rgba(176, 141, 87, .08);
            font-weight: 500;
        }

        .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .meta-item i {
            color: var(--gold);
            font-size: 13px;
        }

        .article-header h1 {
            font-family: var(--font-serif);
            font-size: 40px;
            font-weight: 300;
            line-height: 1.35;
            color: var(--ink);
            margin: 0 0 20px;
            letter-spacing: .01em;
        }

        .article-summary {
            font-size: 16px;
            line-height: 1.85;
            color: var(--muted);
            margin-bottom: 0;
        }

        /* ========== 正文阅读区 ========== */
        .article-body {
            max-width: 720px;
            margin: 0 auto 64px;
            color: #3D3833;
        }

        .article-body p {
            font-size: 16px;
            line-height: 1.9;
            margin-bottom: 24px;
        }

        .article-body h2 {
            font-family: var(--font-serif);
            font-size: 26px;
            font-weight: 400;
            color: var(--ink);
            margin: 48px 0 20px;
            line-height: 1.4;
        }

        .article-body h3 {
            font-family: var(--font-serif);
            font-size: 20px;
            font-weight: 400;
            color: var(--ink);
            margin: 36px 0 16px;
            line-height: 1.5;
        }

        .article-body blockquote {
            border-left: 2px solid var(--gold);
            background: var(--paper-2);
            padding: 16px 20px;
            font-family: var(--font-serif);
            font-size: 17px;
            font-style: italic;
            color: var(--ink);
            margin: 32px 0;
            line-height: 1.8;
        }

        .article-body img {
            width: 100%;
            border-radius: 2px;
            margin: 24px 0;
            border: 1px solid var(--line);
        }

        .article-body ul,
        .article-body ol {
            padding-left: 1.5em;
            line-height: 1.8;
            margin-bottom: 24px;
        }

        .article-body li {
            margin-bottom: 8px;
        }

        .article-body a {
            color: var(--gold);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: 15px;
        }

        .article-body table th,
        .article-body table td {
            border: 1px solid var(--line);
            padding: 12px 16px;
        }

        .article-body table th {
            background: var(--paper-2);
            font-weight: 600;
        }

        .article-body pre {
            background: var(--ink);
            color: var(--paper);
            padding: 20px;
            border-radius: 2px;
            font-size: 14px;
            line-height: 1.7;
            overflow-x: auto;
            margin: 24px 0;
        }

        .article-body code {
            background: var(--paper-2);
            padding: 2px 6px;
            border-radius: 2px;
            font-size: 14px;
        }

        .article-body pre code {
            background: transparent;
            padding: 0;
        }

        /* ========== 相关推荐 ========== */
        .related-posts {
            margin: 64px 0;
        }

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

        .section-label {
            display: block;
            font-size: 12px;
            color: var(--gold);
            letter-spacing: .1em;
            margin-bottom: 8px;
            font-weight: 600;
        }

        .section-head h2 {
            font-family: var(--font-serif);
            font-size: 30px;
            font-weight: 300;
            color: var(--ink);
            margin: 0;
        }

        .related-card {
            display: block;
            background: var(--white);
            border: 1px solid var(--line);
            border-radius: 4px;
            padding: 28px;
            height: 100%;
            text-decoration: none;
            color: inherit;
            transition: all .25s ease;
        }

        .related-card:hover {
            transform: translateY(-4px);
            border-color: var(--gold);
            box-shadow: var(--shadow-md);
            text-decoration: none;
            color: inherit;
        }

        .related-card .badge-category {
            margin-bottom: 16px;
        }

        .related-card h3 {
            font-family: var(--font-serif);
            font-size: 20px;
            font-weight: 400;
            color: var(--ink);
            line-height: 1.5;
            margin-bottom: 12px;
            transition: color .2s;
        }

        .related-card:hover h3 {
            color: var(--gold);
        }

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

        .related-card .meta-item {
            font-size: 13px;
            color: var(--muted);
        }

        /* ========== 文章 CTA ========== */
        .article-cta {
            position: relative;
            background: var(--ink);
            border-radius: 4px;
            padding: 56px 48px;
            text-align: center;
            margin: 64px 0;
            overflow: hidden;
        }

        .cta-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            opacity: .16;
            z-index: 0;
        }

        .cta-inner {
            position: relative;
            z-index: 1;
        }

        .cta-label {
            display: inline-block;
            font-size: 12px;
            letter-spacing: .12em;
            color: var(--gold);
            margin-bottom: 12px;
            font-weight: 600;
        }

        .cta-inner h2 {
            font-family: var(--font-serif);
            font-size: 30px;
            font-weight: 300;
            color: var(--paper);
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .cta-inner p {
            color: rgba(246, 242, 234, .6);
            font-size: 15px;
            margin-bottom: 28px;
            max-width: 480px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-actions {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn-main {
            display: inline-block;
            background: var(--gold);
            color: var(--ink);
            padding: 12px 32px;
            border: 1px solid var(--gold);
            border-radius: 2px;
            font-size: 15px;
            font-weight: 600;
            text-decoration: none;
            transition: all .25s ease;
        }

        .btn-main:hover {
            background: var(--gold-soft);
            border-color: var(--gold-soft);
            color: var(--ink);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }

        .btn-secondary {
            display: inline-block;
            background: transparent;
            color: var(--paper);
            padding: 12px 32px;
            border: 1px solid rgba(246, 242, 234, .4);
            border-radius: 2px;
            font-size: 15px;
            font-weight: 500;
            text-decoration: none;
            transition: all .25s ease;
        }

        .btn-secondary:hover {
            border-color: var(--gold);
            color: var(--gold);
            transform: translateY(-2px);
        }

        .btn-main:active,
        .btn-secondary:active {
            transform: translateY(1px);
        }

        /* ========== 返回入口 ========== */
        .article-back {
            display: flex;
            gap: 24px;
            margin: 48px 0 8px;
            padding-top: 32px;
            border-top: 1px solid var(--line);
        }

        .article-back a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--ink);
            font-size: 15px;
            transition: color .2s;
        }

        .article-back a:hover {
            color: var(--gold);
        }

        .article-back i {
            font-size: 13px;
            color: var(--gold);
        }

        /* ========== 内容未找到 ========== */
        .not-found {
            text-align: center;
            padding: 100px 24px;
            max-width: 560px;
            margin: 0 auto;
        }

        .not-found i {
            font-size: 48px;
            color: var(--gold);
            margin-bottom: 24px;
            display: block;
        }

        .not-found h2 {
            font-family: var(--font-serif);
            font-size: 32px;
            font-weight: 300;
            color: var(--ink);
            margin-bottom: 16px;
        }

        .not-found p {
            color: var(--muted);
            font-size: 16px;
            margin-bottom: 32px;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--ink);
            color: #E4DED3;
            padding: 56px 40px 24px;
            font-size: 14px;
        }

        .footer-brand {
            grid-column: span 1;
        }

        .footer-logo {
            font-family: var(--font-serif);
            font-size: 20px;
            font-weight: 400;
            color: var(--paper);
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 16px;
        }

        .footer-logo i {
            color: var(--gold);
            font-size: 16px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: #9A948C;
            max-width: 320px;
            margin-bottom: 0;
        }

        .footer-col h4 {
            font-size: 13px;
            color: var(--gold-soft);
            letter-spacing: .06em;
            font-weight: 600;
            margin-bottom: 16px;
        }

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

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul a {
            color: #9A948C;
            transition: color .2s;
        }

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

        .footer-contact li {
            color: #9A948C;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-contact i {
            color: var(--gold-soft);
            font-size: 12px;
            width: 16px;
            text-align: center;
        }

        .footer-bottom {
            border-top: 1px solid rgba(246, 242, 234, .08);
            padding-top: 24px;
            text-align: center;
            color: #9A948C;
            font-size: 13px;
        }

        .footer-bottom p {
            margin-bottom: 4px;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 991px) {
            .page-content {
                padding: 40px 28px 20px;
            }

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

            .site-footer {
                padding: 48px 28px 24px;
            }
        }

        @media (max-width: 768px) {
            .sidebar {
                width: 100%;
                height: 64px;
                flex-direction: row;
                align-items: center;
                padding: 0 20px;
                border-bottom: 1px solid rgba(246, 242, 234, .1);
                box-shadow: 0 2px 12px rgba(0, 0, 0, .15);
            }

            .sidebar-header {
                display: flex;
                align-items: center;
                gap: 12px;
                padding: 0;
                border-bottom: none;
                width: 100%;
            }

            .sidebar-logo {
                font-size: 20px;
                margin-right: auto;
            }

            .sidebar-tagline {
                display: none;
            }

            .menu-toggle {
                display: flex;
                width: 40px;
                height: 40px;
                align-items: center;
                justify-content: center;
                background: transparent;
                border: 1px solid rgba(246, 242, 234, .25);
                color: var(--paper);
                border-radius: 4px;
                font-size: 16px;
                cursor: pointer;
                transition: all .25s ease;
            }

            .menu-toggle:hover {
                border-color: var(--gold);
                color: var(--gold);
            }

            .sidebar-nav {
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: var(--ink);
                padding: 16px 0;
                display: none;
                flex-direction: column;
                border-bottom: 1px solid rgba(246, 242, 234, .1);
                box-shadow: 0 16px 32px rgba(0, 0, 0, .25);
                max-height: calc(100vh - 64px);
                overflow-y: auto;
            }

            .sidebar-nav.open {
                display: flex;
            }

            .sidebar-nav a {
                height: 48px;
                padding: 0 24px;
                font-size: 15px;
            }

            .sidebar-cta {
                display: none;
            }

            .main-wrap {
                margin-left: 0;
                padding-top: 64px;
            }

            .article-header h1 {
                font-size: 30px;
            }

            .article-summary {
                font-size: 15px;
            }

            .article-body {
                margin-bottom: 48px;
            }

            .article-body p {
                font-size: 15px;
            }

            .related-card {
                margin-bottom: 16px;
            }

            .article-cta {
                padding: 40px 24px;
                margin: 48px 0;
            }

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

            .article-back {
                flex-direction: column;
                gap: 12px;
            }

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

            .footer-brand p {
                margin: 0 auto;
            }

            .footer-contact li {
                justify-content: center;
            }
        }

        @media (max-width: 576px) {
            .page-content {
                padding: 28px 16px 16px;
            }

            .breadcrumb-nav {
                margin-bottom: 28px;
            }

            .breadcrumb-nav .breadcrumb .active {
                max-width: 200px;
            }

            .article-header {
                padding-bottom: 28px;
                margin-bottom: 28px;
            }

            .article-header h1 {
                font-size: 26px;
            }

            .article-meta {
                gap: 8px 14px;
            }

            .article-body {
                margin-bottom: 40px;
            }

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

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

            .related-card {
                padding: 20px;
            }

            .related-card h3 {
                font-size: 18px;
            }

            .article-cta {
                padding: 32px 20px;
                border-radius: 2px;
            }

            .cta-inner h2 {
                font-size: 23px;
            }

            .cta-actions {
                flex-direction: column;
                align-items: center;
                gap: 12px;
            }

            .btn-main,
            .btn-secondary {
                width: 100%;
                max-width: 260px;
                text-align: center;
            }

            .article-back {
                margin-top: 32px;
            }

            .site-footer {
                padding: 40px 20px 20px;
            }
        }