/* roulang page: index */
:root {
            --ink: #14262E;
            --gold: #C7A15F;
            --green: #1F4F43;
            --paper: #F6F3EC;
            --text: #1F2327;
            --text-secondary: #5C636B;
            --text-muted: #8A9097;
            --border: #E5E0D5;
            --radius-lg: 12px;
            --radius-md: 8px;
            --radius-sm: 4px;
            --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.04), 0 8px 24px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 6px 20px rgba(20, 38, 46, 0.12), 0 14px 40px rgba(20, 38, 46, 0.12);
            --space-xl: 96px;
            --space-lg: 64px;
            --space-md: 40px;
            --font-serif: "Noto Serif SC", "Songti SC", "SimSun", serif;
            --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            background: var(--paper);
            color: var(--text);
            line-height: 1.8;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--text);
            text-decoration: none;
            transition: color .2s ease;
        }
        a:hover {
            color: var(--gold);
        }
        ul {
            list-style: none;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            border: none;
            outline: none;
        }
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 32px;
        }
        section {
            scroll-margin-top: 130px;
        }

        /* ============ 按钮 ============ */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 15px;
            min-height: 48px;
            cursor: pointer;
            transition: all .25s ease;
            border: 2px solid transparent;
            letter-spacing: .5px;
        }
        .btn-gold {
            background: var(--gold);
            color: var(--ink);
            border-color: var(--gold);
        }
        .btn-gold:hover {
            background: var(--ink);
            color: var(--gold);
            border-color: var(--ink);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(20, 38, 46, 0.18);
        }
        .btn-outline-gold {
            background: transparent;
            color: var(--gold);
            border-color: var(--gold);
        }
        .btn-outline-gold:hover {
            background: var(--gold);
            color: var(--ink);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(199, 161, 95, 0.2);
        }
        .btn:active {
            transform: translateY(0);
        }
        .btn:focus-visible {
            outline: 3px solid rgba(199, 161, 95, 0.4);
            outline-offset: 2px;
        }

        /* ============ 双层导航 ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: var(--ink);
        }
        .header-top {
            background: var(--ink);
            padding: 16px 0;
        }
        .header-top .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .logo-icon {
            width: 40px;
            height: 40px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 1.5px solid var(--gold);
            border-radius: 8px;
            background: rgba(199, 161, 95, 0.08);
            position: relative;
            overflow: hidden;
        }
        .logo-icon::before {
            content: "尊";
            font-family: var(--font-serif);
            font-size: 20px;
            font-weight: 700;
            color: var(--gold);
            line-height: 1;
        }
        .logo-text {
            font-family: var(--font-serif);
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 2px;
            white-space: nowrap;
        }
        .logo-text span {
            color: var(--gold);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .search-btn {
            width: 44px;
            height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: var(--radius-sm);
            color: var(--gold);
            font-size: 16px;
            cursor: pointer;
            transition: all .25s ease;
        }
        .search-btn:hover {
            border-color: var(--gold);
            background: rgba(199, 161, 95, 0.12);
        }
        .header-cta {
            padding: 10px 28px;
            min-height: 44px;
            font-size: 14px;
        }
        .header-nav {
            background: var(--paper);
            border-bottom: 1px solid var(--border);
        }
        .nav-tabs {
            display: flex;
            gap: 0;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .nav-tabs::-webkit-scrollbar {
            display: none;
        }
        .nav-tabs li {
            flex-shrink: 0;
        }
        .nav-tabs a {
            display: block;
            padding: 16px 26px;
            font-weight: 600;
            font-size: 15px;
            color: var(--text-secondary);
            position: relative;
            transition: color .2s ease;
            border-bottom: 3px solid transparent;
            white-space: nowrap;
        }
        .nav-tabs a:hover {
            color: var(--ink);
        }
        .nav-tabs a.active {
            color: var(--ink);
            font-weight: 700;
            border-bottom-color: var(--gold);
        }

        /* ============ Hero ============ */
        .hero {
            position: relative;
            background: var(--ink);
            min-height: 680px;
            display: flex;
            align-items: center;
            padding-bottom: 150px;
            overflow: hidden;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
        }
        .hero-bg img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            z-index: 1;
            background: linear-gradient(120deg, rgba(20, 38, 46, 0.97) 0%, rgba(20, 38, 46, 0.88) 45%, rgba(20, 38, 46, 0.55) 100%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            padding: 100px 0 50px;
            max-width: 760px;
        }
        .hero-tag {
            display: inline-block;
            background: rgba(199, 161, 95, 0.15);
            border: 1px solid rgba(199, 161, 95, 0.4);
            color: var(--gold);
            font-size: 13px;
            padding: 6px 18px;
            border-radius: 999px;
            margin-bottom: 24px;
            letter-spacing: 1px;
        }
        .hero h1 {
            font-family: var(--font-serif);
            font-size: 50px;
            font-weight: 700;
            line-height: 1.25;
            color: #fff;
            margin-bottom: 24px;
            letter-spacing: 1px;
        }
        .hero-sub {
            font-size: 17px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 40px;
            max-width: 620px;
        }
        .hero-ctas {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ============ 指标看板 ============ */
        .metric-board {
            position: relative;
            z-index: 3;
            margin-top: -120px;
            background: transparent;
            padding-bottom: 40px;
        }
        .metric-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            box-shadow: var(--shadow-card);
            transition: transform .3s ease, box-shadow .3s ease;
            height: 100%;
        }
        .metric-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(199, 161, 95, 0.4);
        }
        .metric-num {
            font-family: var(--font-serif);
            font-size: 42px;
            font-weight: 700;
            color: var(--gold);
            line-height: 1.2;
            margin-bottom: 6px;
            font-feature-settings: "tnum";
        }
        .metric-num span {
            font-size: 20px;
            margin-left: 2px;
        }
        .metric-label {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 12px;
        }
        .metric-trend {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
        }
        .metric-trend.up {
            background: rgba(31, 79, 67, 0.08);
            color: var(--green);
        }
        .metric-trend.down {
            background: rgba(180, 60, 60, 0.08);
            color: #B44A4A;
        }

        /* ============ 服务矩阵 ============ */
        .services-section {
            padding: var(--space-xl) 0;
            background: var(--paper);
        }
        .section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 48px;
            flex-wrap: wrap;
            gap: 20px;
        }
        .section-tag {
            font-size: 13px;
            font-weight: 600;
            color: var(--gold);
            letter-spacing: 3px;
            text-transform: uppercase;
            display: block;
            margin-bottom: 8px;
        }
        .section-title {
            font-family: var(--font-serif);
            font-size: 36px;
            font-weight: 700;
            color: var(--ink);
            line-height: 1.3;
        }
        .section-title::before {
            content: "";
            display: block;
            width: 40px;
            height: 3px;
            background: var(--gold);
            border-radius: 2px;
            margin-bottom: 16px;
        }
        .section-sub {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 560px;
            line-height: 1.8;
        }
        .section-link {
            font-weight: 600;
            font-size: 14px;
            color: var(--gold);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .section-link:hover {
            color: var(--ink);
        }
        .service-intro {
            background: linear-gradient(135deg, var(--ink) 0%, var(--green) 60%, var(--ink) 100%);
            border-radius: var(--radius-lg);
            padding: 60px;
            margin-bottom: 40px;
            position: relative;
            overflow: hidden;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 48px;
            flex-wrap: wrap;
        }
        .service-intro::before {
            content: "";
            position: absolute;
            top: -60px;
            right: -60px;
            width: 240px;
            height: 240px;
            border: 2px solid rgba(199, 161, 95, 0.2);
            border-radius: 50%;
        }
        .service-intro-content {
            position: relative;
            z-index: 2;
            flex: 1;
            min-width: 280px;
        }
        .service-intro h3 {
            font-family: var(--font-serif);
            font-size: 26px;
            color: #fff;
            margin-bottom: 16px;
        }
        .service-intro p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 15px;
            line-height: 1.8;
            max-width: 680px;
        }
        .service-intro-link {
            position: relative;
            z-index: 2;
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--gold);
            color: var(--ink);
            padding: 14px 32px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 15px;
            transition: all .25s ease;
        }
        .service-intro-link:hover {
            background: #fff;
            color: var(--ink);
            transform: translateY(-2px);
        }
        .service-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }
        .service-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 40px;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
        }
        .service-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: var(--gold);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform .35s ease;
        }
        .service-card:hover::before {
            transform: scaleX(1);
        }
        .service-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(199, 161, 95, 0.35);
        }
        .service-num {
            font-family: var(--font-serif);
            font-size: 14px;
            font-weight: 700;
            color: var(--gold);
            letter-spacing: 2px;
            margin-bottom: 20px;
        }
        .service-icon {
            width: 56px;
            height: 56px;
            border-radius: 12px;
            background: rgba(199, 161, 95, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--gold);
            margin-bottom: 24px;
        }
        .service-card h3 {
            font-family: var(--font-serif);
            font-size: 22px;
            font-weight: 600;
            color: var(--ink);
            margin-bottom: 12px;
        }
        .service-card p {
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.75;
            margin-bottom: 20px;
        }
        .service-more {
            font-size: 14px;
            font-weight: 600;
            color: var(--gold);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap .25s ease;
        }
        .service-more:hover {
            gap: 12px;
            color: var(--ink);
        }

        /* ============ 结果对比 ============ */
        .compare-section {
            padding: var(--space-xl) 0;
            background: #EFECE4;
        }
        .compare-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: stretch;
            position: relative;
        }
        .compare-grid::before {
            content: "";
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: var(--gold);
            color: var(--ink);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            font-weight: 700;
            z-index: 2;
            box-shadow: 0 8px 32px rgba(199, 161, 95, 0.4);
            text-align: center;
        }
        .compare-grid::before {
            content: "→";
            font-size: 26px;
        }
        .compare-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            box-shadow: var(--shadow-card);
        }
        .compare-card.dark {
            background: var(--ink);
            border-color: transparent;
            color: #fff;
        }
        .compare-card h3 {
            font-family: var(--font-serif);
            font-size: 24px;
            margin-bottom: 32px;
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .compare-card.dark h3 {
            color: #fff;
        }
        .compare-icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
        }
        .compare-card:not(.dark) .compare-icon {
            background: rgba(180, 90, 90, 0.1);
            color: #B44A4A;
        }
        .compare-card.dark .compare-icon {
            background: rgba(199, 161, 95, 0.15);
            color: var(--gold);
        }
        .compare-list {
            margin-top: 0;
        }
        .compare-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 14px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 15px;
            line-height: 1.7;
        }
        .compare-card:not(.dark) .compare-list li {
            border-bottom-color: var(--border);
            color: var(--text-secondary);
        }
        .compare-card.dark .compare-list li {
            color: rgba(255, 255, 255, 0.85);
        }
        .compare-list li:last-child {
            border-bottom: none;
        }
        .compare-list i {
            margin-top: 5px;
            font-size: 14px;
        }
        .compare-card:not(.dark) .compare-list i {
            color: #B44A4A;
        }
        .compare-card.dark .compare-list i {
            color: var(--gold);
        }
        .compare-badges {
            display: flex;
            gap: 16px;
            margin-top: 32px;
            flex-wrap: wrap;
        }
        .compare-badge {
            flex: 1;
            min-width: 100px;
            background: rgba(199, 161, 95, 0.1);
            border: 1px solid rgba(199, 161, 95, 0.3);
            border-radius: var(--radius-md);
            padding: 16px 12px;
            text-align: center;
        }
        .compare-badge .num {
            font-family: var(--font-serif);
            font-size: 20px;
            font-weight: 700;
            color: var(--gold);
            display: block;
        }
        .compare-badge .label {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.8);
            margin-top: 4px;
        }

        /* ============ 最新信息 ============ */
        .news-section {
            padding: var(--space-xl) 0;
            background: var(--paper);
        }
        .news-layout {
            display: grid;
            grid-template-columns: 280px 1fr;
            gap: 48px;
        }
        .news-side {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .news-featured-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: transform .3s ease, box-shadow .3s ease;
        }
        .news-featured-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .news-featured-card img {
            width: 100%;
            height: 160px;
            object-fit: cover;
        }
        .news-featured-body {
            padding: 24px;
        }
        .news-featured-body .tag {
            display: inline-block;
            background: rgba(199, 161, 95, 0.12);
            color: var(--gold);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
            margin-bottom: 12px;
        }
        .news-featured-body h3 {
            font-family: var(--font-serif);
            font-size: 18px;
            line-height: 1.5;
            color: var(--ink);
            margin-bottom: 8px;
        }
        .news-featured-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-main-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .news-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 32px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            box-shadow: var(--shadow-card);
            transition: border-color .3s ease, box-shadow .3s ease, transform .3s ease;
        }
        .news-item:hover {
            border-color: rgba(199, 161, 95, 0.4);
            box-shadow: var(--shadow-hover);
            transform: translateX(4px);
        }
        .news-item h3 {
            font-family: var(--font-serif);
            font-size: 20px;
            font-weight: 600;
            color: var(--ink);
            line-height: 1.5;
        }
        .news-item h3 a:hover {
            color: var(--gold);
        }
        .news-item p {
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.75;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-meta {
            display: flex;
            align-items: center;
            gap: 20px;
            margin-top: 8px;
        }
        .news-meta .tag {
            display: inline-block;
            background: rgba(31, 79, 67, 0.1);
            color: var(--green);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 999px;
        }
        .news-meta .date {
            font-size: 13px;
            color: var(--text-muted);
        }
        .news-meta .read-more {
            margin-left: auto;
            font-size: 14px;
            font-weight: 600;
            color: var(--gold);
        }
        .news-empty {
            background: #fff;
            border: 1px dashed var(--border);
            border-radius: var(--radius-md);
            padding: 60px;
            text-align: center;
            color: var(--text-muted);
        }
        .news-empty i {
            font-size: 40px;
            color: var(--border);
            margin-bottom: 16px;
            display: block;
        }
        .news-empty p {
            font-size: 15px;
        }

        /* ============ FAQ ============ */
        .faq-section {
            padding: var(--space-xl) 0;
            background: #EFECE4;
        }
        .faq-layout {
            display: grid;
            grid-template-columns: 380px 1fr;
            gap: 64px;
        }
        .faq-intro .section-title {
            margin-bottom: 16px;
        }
        .faq-intro p {
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.8;
            margin-bottom: 32px;
        }
        .faq-anchors {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .faq-anchors a {
            display: block;
            padding: 10px 16px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            color: var(--text-secondary);
            border-left: 3px solid transparent;
            transition: all .2s ease;
            font-weight: 600;
        }
        .faq-anchors a:hover,
        .faq-anchors a.active {
            color: var(--ink);
            border-left-color: var(--gold);
            background: rgba(255, 255, 255, 0.7);
        }
        .faq-accordion {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .accordion-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: box-shadow .3s ease, border-color .3s ease;
        }
        .accordion-item.open {
            border-left: 3px solid var(--gold);
            box-shadow: var(--shadow-card);
        }
        .accordion-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 24px 28px;
            cursor: pointer;
            user-select: none;
            gap: 16px;
        }
        .accordion-header h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text);
            flex: 1;
            line-height: 1.5;
            transition: color .2s ease;
        }
        .accordion-item.open .accordion-header h3 {
            color: var(--ink);
            font-weight: 700;
        }
        .accordion-icon {
            width: 32px;
            height: 32px;
            flex-shrink: 0;
            border-radius: 50%;
            border: 1.5px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--gold);
            transition: all .3s ease;
        }
        .accordion-item.open .accordion-icon {
            background: var(--gold);
            color: var(--ink);
            border-color: var(--gold);
            transform: rotate(45deg);
        }
        .accordion-body {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease;
        }
        .accordion-body p {
            padding: 0 28px 24px;
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.8;
        }

        /* ============ 转化表单 ============ */
        .contact-section {
            padding: var(--space-xl) 0;
            background: var(--paper);
        }
        .contact-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            background: #fff;
            border: 1px solid var(--border);
        }
        .contact-panel {
            background: var(--ink);
            padding: 56px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .contact-panel::after {
            content: "";
            position: absolute;
            bottom: -80px;
            right: -80px;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            border: 2px solid rgba(199, 161, 95, 0.15);
        }
        .contact-panel h3 {
            font-family: var(--font-serif);
            font-size: 30px;
            line-height: 1.4;
            margin-bottom: 20px;
            position: relative;
            z-index: 2;
        }
        .contact-panel>p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 15px;
            line-height: 1.8;
            margin-bottom: 40px;
            position: relative;
            z-index: 2;
        }
        .contact-info-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
            position: relative;
            z-index: 2;
        }
        .contact-info-item {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .contact-info-item i {
            width: 40px;
            height: 40px;
            border-radius: 8px;
            background: rgba(199, 161, 95, 0.15);
            color: var(--gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            flex-shrink: 0;
        }
        .contact-info-item .info-text {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.9);
        }
        .contact-form-card {
            padding: 56px;
        }
        .contact-form-card h3 {
            font-family: var(--font-serif);
            font-size: 26px;
            color: var(--ink);
            margin-bottom: 8px;
        }
        .contact-form-card .form-sub {
            color: var(--text-secondary);
            font-size: 14px;
            margin-bottom: 32px;
        }
        .form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 6px;
            margin-bottom: 20px;
        }
        .form-group label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
        }
        .form-group label .required {
            color: #B44A4A;
            font-size: 12px;
        }
        .form-group input,
        .form-group select,
        .form-group textarea {
            background: var(--paper);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            font-size: 15px;
            color: var(--text);
            transition: all .25s ease;
            width: 100%;
        }
        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            border-color: var(--gold);
            box-shadow: 0 0 0 3px rgba(199, 161, 95, 0.2);
            background: #fff;
        }
        .form-group textarea {
            min-height: 120px;
            resize: vertical;
        }
        .form-group.full {
            grid-column: 1/-1;
        }
        .btn-submit {
            width: 100%;
            min-height: 52px;
            background: var(--gold);
            color: var(--ink);
            border: 2px solid var(--gold);
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 16px;
            cursor: pointer;
            transition: all .25s ease;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }
        .btn-submit:hover {
            background: var(--ink);
            color: var(--gold);
            border-color: var(--ink);
            transform: translateY(-2px);
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background: var(--ink);
            color: rgba(255, 255, 255, 0.7);
            padding-top: 80px;
            border-top: 3px solid var(--gold);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 48px;
            padding-bottom: 56px;
        }
        .footer-about .logo-text {
            margin-bottom: 16px;
        }
        .footer-about p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 16px;
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 24px;
            position: relative;
            padding-bottom: 12px;
        }
        .footer-col h4::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 28px;
            height: 2px;
            background: var(--gold);
        }
        .footer-col ul li {
            margin-bottom: 12px;
        }
        .footer-col ul a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            transition: color .2s ease;
        }
        .footer-col ul a:hover {
            color: var(--gold);
            text-decoration: underline;
        }
        .footer-contact li {
            display: flex;
            gap: 12px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            align-items: flex-start;
            margin-bottom: 16px;
        }
        .footer-contact i {
            color: var(--gold);
            margin-top: 4px;
        }
        .footer-subscribe {
            margin-top: 20px;
            display: flex;
            gap: 8px;
        }
        .footer-subscribe input {
            flex: 1;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-sm);
            padding: 10px 16px;
            font-size: 14px;
            color: #fff;
        }
        .footer-subscribe input::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-subscribe input:focus {
            border-color: var(--gold);
        }
        .footer-subscribe button {
            background: var(--gold);
            color: var(--ink);
            border: none;
            border-radius: var(--radius-sm);
            padding: 10px 20px;
            font-weight: 700;
            cursor: pointer;
            font-size: 14px;
            min-height: 44px;
            transition: all .25s ease;
        }
        .footer-subscribe button:hover {
            background: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 24px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
        }

        /* ============ 响应式 ============ */
        @media (max-width: 1024px) {
            :root {
                --space-xl: 72px;
                --space-lg: 48px;
                --space-md: 32px;
            }
            .hero h1 {
                font-size: 42px;
            }
            .faq-layout {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .faq-anchors {
                flex-direction: row;
                flex-wrap: wrap;
                gap: 8px;
            }
            .faq-anchors a {
                border-left: none;
                border-bottom: 2px solid transparent;
                padding: 8px 16px;
            }
            .faq-anchors a:hover,
            .faq-anchors a.active {
                border-left: none;
                border-bottom-color: var(--gold);
            }
            .contact-panel,
            .contact-form-card {
                padding: 40px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 40px;
            }
            .news-layout {
                grid-template-columns: 1fr;
            }
            .news-side {
                flex-direction: row;
                overflow-x: auto;
                padding-bottom: 8px;
            }
            .news-featured-card {
                flex: 0 0 260px;
            }
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 20px;
            }
            .header-top .container {
                flex-wrap: wrap;
                gap: 10px;
            }
            .logo-text {
                font-size: 18px;
            }
            .header-cta {
                display: none;
            }
            .hero {
                min-height: auto;
                padding: 80px 0 140px;
            }
            .hero h1 {
                font-size: 30px;
                line-height: 1.3;
            }
            .hero-sub {
                font-size: 16px;
            }
            .metric-board {
                margin-top: -100px;
            }
            .service-grid {
                grid-template-columns: 1fr;
            }
            .service-intro {
                padding: 40px;
            }
            .compare-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .compare-grid::before {
                content: "↓";
            }
            .contact-wrap {
                grid-template-columns: 1fr;
            }
            .form-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 520px) {
            :root {
                --space-xl: 56px;
            }
            .header-top .container {
                padding: 0 16px;
            }
            .logo-icon {
                width: 34px;
                height: 34px;
            }
            .logo-text {
                font-size: 16px;
                letter-spacing: 1px;
            }
            .search-btn {
                width: 38px;
                height: 38px;
            }
            .nav-tabs a {
                padding: 12px 18px;
                font-size: 14px;
            }
            .hero {
                padding-top: 60px;
            }
            .hero h1 {
                font-size: 26px;
            }
            .hero-sub {
                font-size: 15px;
            }
            .hero-ctas {
                flex-direction: column;
                width: 100%;
            }
            .hero-ctas .btn {
                width: 100%;
            }
            .metric-card {
                padding: 20px;
            }
            .metric-num {
                font-size: 32px;
            }
            .section-title {
                font-size: 28px;
            }
            .service-card {
                padding: 28px;
            }
            .service-intro {
                padding: 32px 24px;
            }
            .compare-card {
                padding: 32px 24px;
            }
            .contact-panel,
            .contact-form-card {
                padding: 28px 24px;
            }
            .news-item {
                padding: 24px;
            }
            .accordion-header {
                padding: 20px;
            }
            .accordion-body p {
                padding: 0 20px 20px;
            }
            .footer-bottom {
                font-size: 12px;
            }
        }

/* roulang page: category1 */
:root {
            --primary-dark: #14262E;
            --gold: #C7A15F;
            --jade: #1F4F43;
            --paper: #F6F3EC;
            --ink: #1F2327;
            --ink-secondary: #5C636B;
            --ink-muted: #8A9097;
            --line: #E5E0D5;
            --line-dark: rgba(255, 255, 255, 0.12);
            --radius-card: 8px;
            --radius-stat: 12px;
            --radius-btn: 4px;
            --radius-pill: 999px;
            --shadow-light: 0 2px 8px rgba(0, 0, 0, 0.04), 0 8px 24px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 6px 20px rgba(20, 38, 46, 0.12), 0 14px 40px rgba(20, 38, 46, 0.12);
            --shadow-deep: 0 8px 32px rgba(0, 0, 0, 0.24);
            --font-serif: "Noto Serif SC", "Songti SC", "SimSun", serif;
            --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            --space-section: 110px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.8;
            color: var(--ink);
            background: var(--paper);
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
        }
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 30px;
        }
        section {
            padding: var(--space-section) 0;
        }
        .section-head {
            margin-bottom: 50px;
        }
        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 3px;
            text-transform: uppercase;
            color: var(--gold);
            margin-bottom: 12px;
            padding-left: 28px;
            position: relative;
        }
        .section-tag::before {
            content: "";
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 20px;
            height: 2px;
            background: var(--gold);
        }
        .section-title {
            font-family: var(--font-serif);
            font-size: 34px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--ink);
            letter-spacing: 1px;
        }
        .section-sub {
            font-size: 16px;
            color: var(--ink-secondary);
            margin-top: 14px;
            max-width: 680px;
            line-height: 1.8;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 13px 34px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            transition: all 0.25s ease;
            border: 1px solid transparent;
            line-height: 1.4;
            gap: 8px;
        }
        .btn-gold {
            background: var(--gold);
            color: var(--primary-dark);
            border-color: var(--gold);
        }
        .btn-gold:hover {
            background: var(--primary-dark);
            color: var(--gold);
            border-color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(20, 38, 46, 0.18);
        }
        .btn-outline-gold {
            background: transparent;
            color: var(--gold);
            border-color: rgba(199, 161, 95, 0.5);
        }
        .btn-outline-gold:hover {
            background: var(--gold);
            color: var(--primary-dark);
            border-color: var(--gold);
            transform: translateY(-2px);
        }
        .btn-light {
            background: var(--paper);
            color: var(--primary-dark);
            border-color: var(--paper);
        }
        .btn-light:hover {
            background: var(--gold);
            color: var(--primary-dark);
            border-color: var(--gold);
            transform: translateY(-2px);
        }
        .btn-outline-light {
            background: transparent;
            color: var(--paper);
            border-color: rgba(255, 255, 255, 0.4);
        }
        .btn-outline-light:hover {
            background: var(--paper);
            color: var(--primary-dark);
            border-color: var(--paper);
        }
        .btn-block {
            width: 100%;
        }

        /* ===== Header ===== */
        .site-header {
            position: relative;
            z-index: 100;
        }
        .header-top {
            background: var(--primary-dark);
            padding: 14px 0;
        }
        .header-top .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .logo-link {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            color: var(--paper);
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            border: 1.5px solid var(--gold);
            border-radius: 8px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            position: relative;
            flex-shrink: 0;
        }
        .logo-icon::before {
            content: "尊";
            font-family: var(--font-serif);
            font-size: 18px;
            font-weight: 700;
            color: var(--gold);
            line-height: 1;
        }
        .logo-icon::after {
            content: "";
            position: absolute;
            right: -4px;
            bottom: -4px;
            width: 10px;
            height: 10px;
            border-right: 1px solid var(--gold);
            border-bottom: 1px solid var(--gold);
            border-radius: 0 0 4px 0;
        }
        .logo-text {
            font-family: var(--font-serif);
            font-size: 20px;
            font-weight: 700;
            color: var(--paper);
            letter-spacing: 2px;
            line-height: 1.2;
        }
        .logo-text span {
            color: var(--gold);
            font-weight: 600;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .search-btn {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--paper);
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            transition: all 0.25s ease;
            font-size: 15px;
        }
        .search-btn:hover {
            background: var(--gold);
            color: var(--primary-dark);
            border-color: var(--gold);
        }
        .header-cta {
            padding: 10px 24px;
            font-size: 14px;
        }
        .header-nav {
            background: var(--paper);
            border-bottom: 1px solid var(--line);
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.03);
        }
        .nav-tabs {
            list-style: none;
            display: flex;
            gap: 4px;
            padding: 0;
        }
        .nav-tabs a {
            display: inline-block;
            padding: 12px 22px;
            font-size: 15px;
            font-weight: 500;
            color: var(--ink-secondary);
            border-bottom: 2px solid transparent;
            transition: all 0.2s ease;
        }
        .nav-tabs a:hover {
            color: var(--primary-dark);
        }
        .nav-tabs a.active {
            color: var(--primary-dark);
            font-weight: 600;
            border-bottom-color: var(--gold);
        }

        /* ===== Category Hero ===== */
        .cate-hero {
            background: var(--paper);
            padding: 90px 0 70px;
            border-bottom: 1px solid var(--line);
            position: relative;
            overflow: hidden;
        }
        .cate-hero::before {
            content: "";
            position: absolute;
            right: -80px;
            top: -80px;
            width: 320px;
            height: 320px;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.1;
            border-radius: 50%;
        }
        .cate-hero .container {
            position: relative;
            display: grid;
            grid-template-columns: 1fr 220px;
            gap: 40px;
            align-items: center;
        }
        .cate-hero h1 {
            font-family: var(--font-serif);
            font-size: 44px;
            font-weight: 700;
            line-height: 1.25;
            color: var(--ink);
            margin-bottom: 18px;
        }
        .cate-hero h1 .highlight {
            color: var(--primary-dark);
            border-bottom: 3px solid var(--gold);
            padding-bottom: 2px;
        }
        .cate-hero h1 .brand-mark {
            color: var(--gold);
            font-size: 28px;
            display: block;
            margin-top: 6px;
            letter-spacing: 4px;
        }
        .cate-hero p {
            color: var(--ink-secondary);
            font-size: 17px;
            max-width: 640px;
            line-height: 1.9;
            margin-bottom: 28px;
        }
        .cate-hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .cate-hero-meta {
            border-left: 3px solid var(--gold);
            padding-left: 24px;
        }
        .cate-hero-meta .meta-label {
            font-size: 13px;
            letter-spacing: 2px;
            color: var(--ink-muted);
            text-transform: uppercase;
            margin-bottom: 8px;
            display: block;
        }
        .cate-hero-meta .meta-tags {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .cate-hero-meta .meta-tags span {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--primary-dark);
            background: rgba(199, 161, 95, 0.1);
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            border: 1px solid rgba(199, 161, 95, 0.25);
        }
        .cate-hero-meta .meta-tags i {
            color: var(--gold);
            font-size: 11px;
        }

        /* ===== Anchor nav ===== */
        .anchor-bar {
            background: var(--paper);
            border-bottom: 1px solid var(--line);
            position: sticky;
            top: 0;
            z-index: 60;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
        }
        .anchor-bar .container {
            display: flex;
            align-items: center;
            gap: 4px;
            overflow-x: auto;
            scrollbar-width: none;
            padding: 0 30px;
        }
        .anchor-bar .container::-webkit-scrollbar {
            display: none;
        }
        .anchor-bar a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 16px 18px;
            font-size: 14px;
            font-weight: 500;
            color: var(--ink-secondary);
            white-space: nowrap;
            border-bottom: 2px solid transparent;
            transition: all 0.2s ease;
        }
        .anchor-bar a:hover {
            color: var(--primary-dark);
        }
        .anchor-bar a i {
            font-size: 12px;
            color: var(--gold);
        }

        /* ===== Category Main Layout ===== */
        .cate-layout {
            padding: 80px 0 100px;
            background: var(--paper);
        }
        .cate-layout .container {
            display: grid;
            grid-template-columns: 220px 1fr;
            gap: 60px;
            align-items: start;
        }
        .cate-sidebar {
            position: sticky;
            top: 90px;
            background: var(--primary-dark);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            box-shadow: var(--shadow-deep);
        }
        .cate-sidebar-title {
            color: var(--gold);
            font-family: var(--font-serif);
            font-size: 18px;
            font-weight: 700;
            padding-bottom: 16px;
            border-bottom: 1px solid var(--line-dark);
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .cate-sidebar-title i {
            font-size: 14px;
        }
        .cate-sidebar-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .cate-sidebar-list a {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 11px 14px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
            border-radius: 6px;
            transition: all 0.25s ease;
            border-left: 2px solid transparent;
        }
        .cate-sidebar-list a i {
            font-size: 11px;
            opacity: 0;
            transition: opacity 0.2s;
        }
        .cate-sidebar-list a:hover {
            background: rgba(255, 255, 255, 0.06);
            color: var(--paper);
            border-left-color: var(--gold);
        }
        .cate-sidebar-list a:hover i {
            opacity: 1;
        }
        .cate-sidebar-cta {
            margin-top: 24px;
            padding-top: 20px;
            border-top: 1px solid var(--line-dark);
        }
        .cate-sidebar-cta a {
            display: flex;
            flex-direction: column;
            align-items: center;
            padding: 14px;
            background: var(--gold);
            border-radius: 6px;
            color: var(--primary-dark);
            font-weight: 600;
            font-size: 14px;
            transition: all 0.25s;
            gap: 4px;
        }
        .cate-sidebar-cta a:hover {
            background: var(--paper);
            transform: translateY(-2px);
        }
        .cate-sidebar-cta a small {
            font-weight: 400;
            font-size: 12px;
            opacity: 0.85;
        }
        .cate-content {
            min-width: 0;
        }
        .cate-block {
            margin-bottom: 90px;
        }
        .cate-block:last-child {
            margin-bottom: 0;
        }
        .cate-block-header {
            margin-bottom: 40px;
        }
        .cate-block-header h2 {
            font-family: var(--font-serif);
            font-size: 28px;
            font-weight: 700;
            color: var(--ink);
            position: relative;
            padding-left: 18px;
            line-height: 1.4;
            margin-bottom: 10px;
        }
        .cate-block-header h2::before {
            content: "";
            position: absolute;
            left: 0;
            top: 0.18em;
            bottom: 0.18em;
            width: 4px;
            background: var(--gold);
            border-radius: 2px;
        }
        .cate-block-header p {
            color: var(--ink-secondary);
            font-size: 15px;
            max-width: 640px;
            padding-left: 18px;
        }

        /* ===== Brand value intro ===== */
        .value-intro {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }
        .value-intro-img {
            border-radius: var(--radius-card);
            overflow: hidden;
            min-height: 260px;
            position: relative;
        }
        .value-intro-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
        }
        .value-intro-img::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(20, 38, 46, 0.1) 0%, rgba(20, 38, 46, 0.45) 100%);
        }
        .value-intro-text h3 {
            font-family: var(--font-serif);
            font-size: 21px;
            color: var(--primary-dark);
            margin-bottom: 14px;
            line-height: 1.5;
        }
        .value-intro-text p {
            color: var(--ink-secondary);
            font-size: 15px;
            line-height: 1.9;
        }
        .value-points {
            list-style: none;
            display: grid;
            grid-template-columns: 1fr;
            gap: 14px;
            margin-top: 20px;
        }
        .value-points li {
            display: flex;
            gap: 12px;
            align-items: flex-start;
            padding: 14px 18px;
            background: #fff;
            border: 1px solid var(--line);
            border-radius: var(--radius-card);
            transition: all 0.25s;
        }
        .value-points li:hover {
            border-color: var(--gold);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .value-points li i {
            color: var(--gold);
            font-size: 15px;
            margin-top: 4px;
            flex-shrink: 0;
        }
        .value-points li span {
            font-size: 14px;
            color: var(--ink-secondary);
            line-height: 1.7;
        }
        .value-points li strong {
            display: block;
            font-size: 15px;
            color: var(--ink);
            margin-bottom: 2px;
            font-weight: 600;
        }

        /* ===== Capability list ===== */
        .capability-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .cap-item {
            display: grid;
            grid-template-columns: 68px 1fr 32px;
            gap: 20px;
            align-items: center;
            background: #fff;
            border: 1px solid var(--line);
            border-radius: var(--radius-card);
            padding: 24px 28px;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }
        .cap-item::before {
            content: "";
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 3px;
            background: var(--gold);
            transform: scaleY(0);
            transition: transform 0.3s;
            transform-origin: center;
        }
        .cap-item:hover {
            box-shadow: var(--shadow-hover);
            border-color: rgba(199, 161, 95, 0.4);
            transform: translateX(6px);
        }
        .cap-item:hover::before {
            transform: scaleY(1);
        }
        .cap-num {
            font-family: var(--font-serif);
            font-size: 34px;
            font-weight: 700;
            color: rgba(199, 161, 95, 0.4);
            line-height: 1;
        }
        .cap-body h3 {
            font-family: var(--font-serif);
            font-size: 19px;
            color: var(--primary-dark);
            margin-bottom: 6px;
            font-weight: 700;
        }
        .cap-body p {
            font-size: 14px;
            color: var(--ink-secondary);
            line-height: 1.7;
            max-width: 560px;
        }
        .cap-icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: rgba(199, 161, 95, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gold);
            font-size: 13px;
            transition: all 0.3s;
        }
        .cap-item:hover .cap-icon {
            background: var(--gold);
            color: var(--primary-dark);
        }

        /* ===== Scenarios ===== */
        .scenario-list {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
        }
        .scenario-card {
            display: grid;
            grid-template-columns: 280px 1fr;
            background: #fff;
            border: 1px solid var(--line);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all 0.3s;
        }
        .scenario-card:hover {
            border-color: rgba(199, 161, 95, 0.4);
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .scenario-img {
            position: relative;
            min-height: 180px;
            overflow: hidden;
        }
        .scenario-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
            transition: transform 0.5s;
        }
        .scenario-card:hover .scenario-img img {
            transform: scale(1.04);
        }
        .scenario-body {
            padding: 26px 30px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .scenario-body h3 {
            font-family: var(--font-serif);
            font-size: 18px;
            color: var(--primary-dark);
            margin-bottom: 8px;
            font-weight: 700;
        }
        .scenario-body p {
            font-size: 14px;
            color: var(--ink-secondary);
            line-height: 1.75;
            margin-bottom: 12px;
        }
        .scenario-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        .scenario-tags span {
            font-size: 12px;
            padding: 4px 12px;
            background: rgba(31, 79, 67, 0.08);
            color: var(--jade);
            border-radius: var(--radius-pill);
            border: 1px solid rgba(31, 79, 67, 0.15);
        }

        /* ===== Process ===== */
        .process-container {
            background: var(--primary-dark);
            border-radius: var(--radius-card);
            padding: 48px;
            position: relative;
            overflow: hidden;
        }
        .process-container::after {
            content: "";
            position: absolute;
            right: -30px;
            bottom: -30px;
            width: 180px;
            height: 180px;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.06;
            border-radius: 50%;
        }
        .process-steps {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
            counter-reset: step;
        }
        .process-step {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--line-dark);
            border-radius: var(--radius-card);
            padding: 24px 18px;
            text-align: center;
            position: relative;
            transition: all 0.3s;
        }
        .process-step:hover {
            border-color: var(--gold);
            background: rgba(199, 161, 95, 0.06);
            transform: translateY(-4px);
        }
        .process-step-num {
            width: 42px;
            height: 42px;
            margin: 0 auto 14px;
            border-radius: 50%;
            background: var(--gold);
            color: var(--primary-dark);
            font-family: var(--font-serif);
            font-weight: 700;
            font-size: 17px;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 14px rgba(199, 161, 95, 0.3);
        }
        .process-step h3 {
            font-family: var(--font-serif);
            font-size: 16px;
            color: var(--paper);
            margin-bottom: 8px;
            font-weight: 700;
        }
        .process-step p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.6;
        }

        /* ===== FAQ ===== */
        .faq-container {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: var(--radius-card);
        }
        .faq-item {
            border-bottom: 1px solid var(--line);
        }
        .faq-item:last-child {
            border-bottom: none;
        }
        .faq-q {
            width: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 22px 30px;
            font-size: 16px;
            font-weight: 600;
            color: var(--ink);
            text-align: left;
            background: #fff;
            transition: all 0.25s;
            gap: 20px;
        }
        .faq-q:hover {
            color: var(--gold);
        }
        .faq-q .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(199, 161, 95, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            color: var(--gold);
            transition: all 0.3s;
        }
        .faq-item.active .faq-q .faq-icon {
            background: var(--gold);
            color: var(--primary-dark);
            transform: rotate(180deg);
        }
        .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }
        .faq-a-inner {
            padding: 0 30px 24px;
            font-size: 14px;
            color: var(--ink-secondary);
            line-height: 1.8;
            border-left: 2px solid var(--gold);
            margin: 0 30px 20px;
        }

        /* ===== CTA Banner ===== */
        .cate-cta {
            background: url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
            background-attachment: fixed;
            position: relative;
            padding: 100px 0;
            text-align: center;
        }
        .cate-cta::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(20, 38, 46, 0.92), rgba(31, 79, 67, 0.85));
        }
        .cate-cta .container {
            position: relative;
        }
        .cate-cta h2 {
            font-family: var(--font-serif);
            font-size: 36px;
            color: var(--paper);
            font-weight: 700;
            margin-bottom: 16px;
        }
        .cate-cta p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 16px;
            max-width: 560px;
            margin: 0 auto 30px;
            line-height: 1.8;
        }
        .cate-cta-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.7);
            border-top: 1px solid var(--gold);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr 1fr 1.2fr;
            gap: 50px;
            padding: 70px 0 50px;
        }
        .footer-about .logo-link {
            margin-bottom: 20px;
        }
        .footer-about p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.55);
            max-width: 260px;
            margin-top: 16px;
        }
        .footer-col h4 {
            font-family: var(--font-serif);
            color: var(--paper);
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 22px;
            letter-spacing: 1px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-col h4::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 24px;
            height: 2px;
            background: var(--gold);
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 14px;
            transition: all 0.2s;
        }
        .footer-col ul li a:hover {
            color: var(--paper);
            padding-left: 6px;
        }
        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
        }
        .footer-contact li i {
            color: var(--gold);
            width: 16px;
            font-size: 13px;
        }
        .footer-subscribe {
            display: flex;
            gap: 8px;
            margin-top: 18px;
        }
        .footer-subscribe input {
            flex: 1;
            min-width: 0;
            padding: 9px 14px;
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-btn);
            background: rgba(255, 255, 255, 0.06);
            color: var(--paper);
            font-size: 13px;
            transition: border-color 0.25s;
        }
        .footer-subscribe input::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-subscribe input:focus {
            outline: none;
            border-color: var(--gold);
        }
        .footer-subscribe button {
            padding: 0 18px;
            background: var(--gold);
            color: var(--primary-dark);
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 13px;
            transition: all 0.25s;
        }
        .footer-subscribe button:hover {
            background: var(--paper);
        }
        .footer-bottom {
            border-top: 1px solid var(--line-dark);
            padding: 18px 0;
        }
        .footer-bottom .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .footer-bottom p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            :root {
                --space-section: 80px;
            }
            .cate-hero .container {
                grid-template-columns: 1fr;
            }
            .cate-hero-meta {
                border-left: none;
                padding-left: 0;
                border-top: 1px solid var(--line);
                padding-top: 20px;
            }
            .cate-hero-meta .meta-tags {
                flex-direction: row;
                flex-wrap: wrap;
            }
            .cate-layout .container {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .cate-sidebar {
                position: static;
                display: none;
            }
            .process-steps {
                grid-template-columns: repeat(3, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 780px) {
            :root {
                --space-section: 60px;
            }
            .header-top {
                padding: 12px 0;
            }
            .logo-text {
                font-size: 17px;
            }
            .header-cta {
                padding: 8px 16px;
                font-size: 13px;
            }
            .nav-tabs {
                overflow-x: auto;
                scrollbar-width: none;
                -webkit-overflow-scrolling: touch;
                flex-wrap: nowrap;
                padding-bottom: 0;
            }
            .nav-tabs::-webkit-scrollbar {
                display: none;
            }
            .nav-tabs a {
                white-space: nowrap;
                padding: 12px 16px;
                font-size: 14px;
            }
            .cate-hero {
                padding: 56px 0 40px;
            }
            .cate-hero h1 {
                font-size: 30px;
            }
            .cate-hero h1 .brand-mark {
                font-size: 20px;
            }
            .cate-hero p {
                font-size: 15px;
            }
            .cate-hero-actions {
                flex-direction: column;
            }
            .cate-hero-actions .btn {
                width: 100%;
            }
            .value-intro {
                grid-template-columns: 1fr;
            }
            .value-intro-img {
                min-height: 200px;
                position: relative;
            }
            .cap-item {
                grid-template-columns: 48px 1fr;
                padding: 18px;
            }
            .cap-num {
                font-size: 26px;
            }
            .cap-icon {
                display: none;
            }
            .scenario-card {
                grid-template-columns: 1fr;
            }
            .scenario-img {
                min-height: 170px;
            }
            .process-steps {
                grid-template-columns: 1fr 1fr;
            }
            .process-container {
                padding: 30px 20px;
            }
            .faq-a-inner {
                margin: 0 18px 18px;
                padding: 0 0 18px;
            }
            .faq-q {
                padding: 18px 20px;
                font-size: 15px;
            }
            .cate-cta {
                padding: 70px 0;
                background-attachment: scroll;
            }
            .cate-cta h2 {
                font-size: 26px;
            }
            .cate-cta-actions {
                flex-direction: column;
                align-items: center;
            }
            .cate-cta-actions .btn {
                width: 100%;
                max-width: 280px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 36px;
                padding: 50px 0 30px;
            }
            .footer-bottom .container {
                flex-direction: column;
                gap: 8px;
                text-align: center;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 18px;
            }
            .logo-text {
                letter-spacing: 1px;
                font-size: 16px;
            }
            .header-actions {
                gap: 8px;
            }
            .search-btn {
                width: 34px;
                height: 34px;
                font-size: 13px;
            }
            .header-cta {
                display: none;
            }
            .section-title {
                font-size: 26px;
            }
            .process-steps {
                grid-template-columns: 1fr;
            }
            .cate-block-header h2 {
                font-size: 22px;
            }
        }

/* roulang page: article */
:root {
            --ink: #14262E;
            --gold: #C7A15F;
            --forest: #1F4F43;
            --paper: #F6F3EC;
            --ink-text: #1F2327;
            --gray-text: #5C636B;
            --light-text: #8A9097;
            --border: #E5E0D5;
            --gray-bg: #EFECE4;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.04), 0 8px 24px rgba(0,0,0,0.06);
            --shadow-lg: 0 8px 32px rgba(20,38,46,0.18);
            --radius: 8px;
            --serif: Georgia, "Noto Serif SC", "Songti SC", "SimSun", serif;
            --sans: -apple-system, BlinkMacSystemFont, "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            --container: 1280px;
            --space-lg: 104px;
            --space-md: 72px;
            --space-sm: 48px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--ink-text);
            background: var(--paper);
            -webkit-font-smoothing: antialiased;
        }

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

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

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

        input, textarea, select {
            font-family: inherit;
            font-size: 1rem;
        }

        /* ==== Container ==== */
        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ==== Header 双层导航 ==== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 16px rgba(20, 38, 46, 0.08);
        }
        .header-top {
            background: var(--ink);
            padding: 10px 0;
        }
        .header-top .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .logo-icon {
            position: relative;
            width: 36px;
            height: 36px;
            border: 2px solid var(--gold);
            border-radius: 50% 50% 50% 50% / 55% 55% 45% 45%;
            flex-shrink: 0;
            display: inline-block;
        }
        .logo-icon::before {
            content: '';
            position: absolute;
            inset: 5px;
            border: 1px solid var(--gold);
            border-radius: 50%;
            opacity: 0.75;
        }
        .logo-icon::after {
            content: '';
            position: absolute;
            left: 50%;
            top: 12%;
            width: 2px;
            height: 70%;
            background: var(--gold);
            transform: translateX(-50%);
            border-radius: 2px;
        }
        .logo-text {
            font-family: var(--serif);
            font-size: 22px;
            font-weight: 700;
            color: var(--paper);
            letter-spacing: 2px;
            white-space: nowrap;
        }
        .logo-text span {
            color: var(--gold);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .search-btn {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            color: var(--paper);
            background: rgba(255,255,255,0.1);
            font-size: 15px;
            transition: all 0.25s ease;
        }
        .search-btn:hover {
            background: rgba(255,255,255,0.22);
            color: var(--gold);
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            border-radius: 4px;
            padding: 10px 24px;
            line-height: 1.2;
            letter-spacing: 0.5px;
            transition: all 0.25s ease;
            border: 1px solid transparent;
        }
        .btn-gold {
            background: var(--gold);
            color: var(--ink);
        }
        .btn-gold:hover {
            background: transparent;
            border-color: var(--gold);
            color: var(--gold);
        }
        .btn-outline {
            background: transparent;
            border-color: var(--gold);
            color: var(--gold);
        }
        .btn-outline:hover {
            background: var(--gold);
            color: var(--ink);
        }
        .header-cta {
            padding: 9px 22px;
            font-size: 14px;
        }
        .header-nav {
            background: var(--paper);
            border-bottom: 1px solid var(--border);
        }
        .nav-tabs {
            list-style: none;
            display: flex;
            gap: 28px;
            margin: 0;
            padding: 0;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .nav-tabs::-webkit-scrollbar {
            display: none;
        }
        .nav-tabs li {
            flex-shrink: 0;
        }
        .nav-tabs a {
            display: inline-block;
            padding: 13px 4px;
            font-size: 15px;
            font-weight: 500;
            color: var(--gray-text);
            border-bottom: 3px solid transparent;
            white-space: nowrap;
            transition: all 0.2s ease;
        }
        .nav-tabs a:hover {
            color: var(--ink-text);
        }
        .nav-tabs a.active {
            color: var(--ink-text);
            font-weight: 600;
            border-bottom-color: var(--gold);
        }

        /* ==== 文章页主区域 ==== */
        .article-wrap {
            padding: 56px 0 var(--space-lg);
            background: var(--paper);
            position: relative;
        }
        .article-wrap::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--gold), rgba(199,161,95,0.1));
        }

        /* 面包屑 */
        .breadcrumb-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 32px;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 14px;
            color: var(--light-text);
        }
        .breadcrumb a {
            color: var(--gray-text);
            transition: color 0.2s ease;
        }
        .breadcrumb a:hover {
            color: var(--gold);
        }
        .breadcrumb .breadcrumb-icon {
            font-size: 10px;
            color: var(--light-text);
            opacity: 0.6;
        }
        .breadcrumb .current {
            color: var(--ink-text);
            font-weight: 600;
            max-width: 280px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        .back-link {
            font-size: 14px;
            color: var(--gray-text);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border: 1px solid var(--border);
            border-radius: 999px;
            background: #fff;
            transition: all 0.2s ease;
        }
        .back-link:hover {
            border-color: var(--gold);
            color: var(--gold);
        }

        /* 文章头部 */
        .article-head {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 48px 56px;
            margin-bottom: 40px;
            box-shadow: var(--shadow-sm);
            position: relative;
        }
        .article-head::before {
            content: '';
            position: absolute;
            top: 0;
            left: 56px;
            right: 56px;
            height: 2px;
            background: linear-gradient(90deg, var(--gold), transparent 70%);
        }
        .article-category-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1px;
            color: var(--gold);
            text-transform: uppercase;
            margin-bottom: 16px;
            padding: 4px 14px;
            border: 1px solid rgba(199,161,95,0.4);
            border-radius: 999px;
            background: rgba(199,161,95,0.06);
        }
        .article-head h1 {
            font-family: var(--serif);
            font-size: clamp(28px, 3.4vw, 42px);
            font-weight: 700;
            line-height: 1.35;
            color: var(--ink-text);
            margin-bottom: 22px;
            letter-spacing: 0.5px;
        }
        .article-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 14px;
            color: var(--gray-text);
        }
        .article-meta .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .article-meta .meta-item i {
            color: var(--gold);
            font-size: 13px;
        }
        .article-meta .meta-divider {
            color: var(--border);
            font-weight: 300;
        }
        .article-meta .meta-tag {
            display: inline-block;
            padding: 3px 12px;
            background: var(--gray-bg);
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            color: var(--forest);
        }

        /* 文章正文 */
        .article-content {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 56px;
            box-shadow: var(--shadow-sm);
            max-width: 860px;
            margin: 0 auto;
        }
        .article-content-inner {
            max-width: 720px;
            margin: 0 auto;
        }
        .article-content p {
            font-size: 16.5px;
            line-height: 1.85;
            margin-bottom: 1.8rem;
            color: var(--ink-text);
            letter-spacing: 0.2px;
        }
        .article-content h2 {
            font-family: var(--serif);
            font-size: clamp(22px, 2.4vw, 28px);
            font-weight: 700;
            margin-top: 2.6rem;
            margin-bottom: 1.2rem;
            line-height: 1.4;
            color: var(--ink-text);
            position: relative;
            padding-left: 18px;
        }
        .article-content h2::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0.5em;
            bottom: 0.5em;
            width: 3px;
            background: var(--gold);
            border-radius: 3px;
        }
        .article-content h3 {
            font-family: var(--serif);
            font-size: 20px;
            font-weight: 700;
            margin-top: 2rem;
            margin-bottom: 1rem;
            color: var(--ink-text);
        }
        .article-content h4 {
            font-size: 17px;
            font-weight: 600;
            margin-top: 1.6rem;
            margin-bottom: 0.8rem;
            color: var(--ink-text);
        }
        .article-content ul,
        .article-content ol {
            margin: 0 0 1.8rem 1.4rem;
            line-height: 1.8;
        }
        .article-content ul li,
        .article-content ol li {
            margin-bottom: 0.5rem;
            padding-left: 4px;
        }
        .article-content ul li::marker {
            color: var(--gold);
        }
        .article-content blockquote {
            margin: 2rem 0;
            padding: 1.6rem 2rem;
            background: var(--paper);
            border-left: 3px solid var(--gold);
            border-radius: 0 8px 8px 0;
            font-family: var(--serif);
            font-size: 17px;
            line-height: 1.8;
            color: var(--ink-text);
        }
        .article-content blockquote p:last-child {
            margin-bottom: 0;
        }
        .article-content img {
            border-radius: 8px;
            box-shadow: var(--shadow-sm);
            margin: 2rem auto;
        }
        .article-content pre {
            background: var(--ink);
            color: var(--paper);
            border-radius: 8px;
            padding: 1.5rem 1.8rem;
            overflow-x: auto;
            font-size: 14px;
            line-height: 1.7;
            margin: 2rem 0;
        }
        .article-content code {
            font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
            font-size: 14px;
            background: rgba(199,161,95,0.12);
            color: var(--forest);
            padding: 2px 6px;
            border-radius: 4px;
        }
        .article-content pre code {
            background: transparent;
            color: inherit;
            padding: 0;
        }
        .article-content a {
            color: var(--forest);
            border-bottom: 1px solid rgba(31,79,67,0.3);
            transition: all 0.2s ease;
        }
        .article-content a:hover {
            color: var(--gold);
            border-bottom-color: var(--gold);
        }
        .article-content hr {
            border: none;
            border-top: 1px solid var(--border);
            margin: 2.5rem 0;
        }

        /* 空态 */
        .article-empty {
            text-align: center;
            padding: 80px 40px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 12px;
            box-shadow: var(--shadow-sm);
            max-width: 720px;
            margin: 0 auto;
        }
        .article-empty .empty-icon {
            font-size: 48px;
            color: var(--border);
            margin-bottom: 20px;
        }
        .article-empty h2 {
            font-family: var(--serif);
            font-size: 24px;
            color: var(--ink-text);
            margin-bottom: 12px;
        }
        .article-empty p {
            color: var(--gray-text);
            margin-bottom: 28px;
        }
        .article-empty .btn {
            display: inline-flex;
        }

        /* 文末标签与分享 */
        .article-footer-meta {
            max-width: 860px;
            margin: 32px auto 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 20px;
            padding: 24px 0;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .article-tags {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
        }
        .article-tags .tag {
            display: inline-block;
            padding: 5px 16px;
            border: 1px solid rgba(199,161,95,0.35);
            border-radius: 999px;
            font-size: 13px;
            color: var(--forest);
            background: rgba(199,161,95,0.06);
            transition: all 0.2s ease;
        }
        .article-tags .tag:hover {
            background: var(--gold);
            border-color: var(--gold);
            color: var(--ink);
        }
        .article-share {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--gray-text);
        }
        .share-btn {
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            border: 1px solid var(--border);
            background: #fff;
            color: var(--gray-text);
            font-size: 14px;
            transition: all 0.2s ease;
        }
        .share-btn:hover {
            border-color: var(--gold);
            color: var(--gold);
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(199,161,95,0.2);
        }

        /* 相关推荐 */
        .related-section {
            padding: var(--space-md) 0 0;
        }
        .related-section .section-head {
            text-align: center;
            margin-bottom: 40px;
        }
        .section-eyebrow {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 4px;
            text-transform: uppercase;
            color: var(--gold);
            margin-bottom: 10px;
        }
        .related-section .section-head h2 {
            font-family: var(--serif);
            font-size: clamp(26px, 2.6vw, 34px);
            font-weight: 700;
            color: var(--ink-text);
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
            max-width: 1080px;
            margin: 0 auto;
        }
        .related-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 12px;
            overflow: hidden;
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
        }
        .related-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(199,161,95,0.5);
        }
        .related-card .card-media {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: var(--gray-bg);
        }
        .related-card .card-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .related-card:hover .card-media img {
            transform: scale(1.05);
        }
        .related-card .card-media::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 60%, rgba(20,38,46,0.25));
            pointer-events: none;
        }
        .related-card .card-body {
            padding: 24px 26px 26px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .related-card .card-body h3 {
            font-family: var(--serif);
            font-size: 18px;
            font-weight: 700;
            line-height: 1.5;
            margin-bottom: 10px;
            color: var(--ink-text);
            transition: color 0.2s ease;
        }
        .related-card:hover .card-body h3 {
            color: var(--forest);
        }
        .related-card .card-summary {
            font-size: 14px;
            color: var(--gray-text);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 16px;
            flex: 1;
        }
        .related-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--light-text);
        }
        .related-card .card-meta .card-link {
            color: var(--gold);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap 0.2s ease;
        }
        .related-card .card-meta .card-link:hover {
            gap: 8px;
        }

        /* CTA 条 */
        .cta-strip {
            background: var(--ink);
            margin-top: var(--space-md);
            padding: 56px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-strip::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border: 1px solid rgba(199,161,95,0.2);
            border-radius: 50%;
        }
        .cta-strip::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -80px;
            width: 240px;
            height: 240px;
            border: 1px solid rgba(199,161,95,0.15);
            border-radius: 50%;
        }
        .cta-strip .container {
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 28px;
        }
        .cta-strip h2 {
            font-family: var(--serif);
            font-size: clamp(22px, 2.4vw, 30px);
            font-weight: 700;
            color: var(--paper);
            margin-bottom: 6px;
        }
        .cta-strip p {
            color: rgba(255,255,255,0.7);
            font-size: 15px;
        }
        .cta-strip .btn-lg {
            font-size: 16px;
            padding: 14px 36px;
            border-radius: 6px;
        }
        .cta-strip .btn-gold:hover {
            border-color: var(--gold);
            color: var(--gold);
        }

        /* ==== 页脚 ==== */
        .site-footer {
            background: var(--ink);
            color: rgba(255,255,255,0.85);
            padding-top: 64px;
            position: relative;
        }
        .site-footer::before {
            content: '';
            position: absolute;
            top: 0;
            left: 24px;
            right: 24px;
            height: 1px;
            background: linear-gradient(90deg, var(--gold), rgba(199,161,95,0.1), var(--gold));
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.4fr;
            gap: 48px;
            padding-bottom: 48px;
        }
        .footer-about .logo-link {
            margin-bottom: 18px;
        }
        .footer-about p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255,255,255,0.6);
            max-width: 280px;
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--paper);
            margin-bottom: 20px;
            font-family: var(--serif);
            letter-spacing: 1px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 12px;
        }
        .footer-col ul a {
            color: rgba(255,255,255,0.65);
            font-size: 14px;
            transition: all 0.2s ease;
        }
        .footer-col ul a:hover {
            color: var(--gold);
            padding-left: 4px;
        }
        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            color: rgba(255,255,255,0.65);
            font-size: 14px;
        }
        .footer-contact li i {
            color: var(--gold);
            width: 16px;
            text-align: center;
        }
        .footer-subscribe {
            display: flex;
            margin-top: 16px;
            border: 1px solid rgba(255,255,255,0.15);
            border-radius: 6px;
            overflow: hidden;
        }
        .footer-subscribe input {
            flex: 1;
            background: rgba(255,255,255,0.06);
            border: none;
            padding: 10px 14px;
            font-size: 13px;
            color: var(--paper);
            outline: none;
            min-width: 0;
        }
        .footer-subscribe input::placeholder {
            color: rgba(255,255,255,0.4);
        }
        .footer-subscribe button {
            background: var(--gold);
            color: var(--ink);
            font-size: 13px;
            font-weight: 600;
            padding: 10px 18px;
            border: none;
            transition: background 0.2s ease;
            white-space: nowrap;
        }
        .footer-subscribe button:hover {
            background: #b8924d;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding: 20px 0;
        }
        .footer-bottom .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
        }
        .footer-bottom p {
            font-size: 13px;
            color: rgba(255,255,255,0.45);
        }

        /* ==== 响应式 ==== */
        @media screen and (max-width: 1024px) {
            :root {
                --space-lg: 80px;
                --space-md: 60px;
                --space-sm: 40px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 36px;
            }
            .related-grid {
                grid-template-columns: 1fr 1fr;
            }
            .article-head {
                padding: 36px 32px;
            }
            .article-content {
                padding: 36px 32px;
            }
        }

        @media screen and (max-width: 768px) {
            :root {
                --space-lg: 64px;
                --space-md: 48px;
                --space-sm: 32px;
            }
            .container {
                padding: 0 16px;
            }
            .header-top .container {
                flex-wrap: nowrap;
            }
            .logo-text {
                font-size: 18px;
            }
            .header-cta {
                display: none;
            }
            .nav-tabs {
                gap: 20px;
                padding-bottom: 0;
            }
            .article-wrap {
                padding-top: 32px;
            }
            .article-head {
                padding: 28px 20px;
                border-radius: 8px;
            }
            .article-head::before {
                left: 20px;
                right: 20px;
            }
            .article-head h1 {
                font-size: 26px;
                line-height: 1.4;
            }
            .article-content {
                padding: 28px 20px;
                border-radius: 8px;
            }
            .article-content p {
                font-size: 16px;
                line-height: 1.8;
            }
            .breadcrumb-row {
                flex-direction: column;
                align-items: flex-start;
            }
            .article-footer-meta {
                flex-direction: column;
                align-items: flex-start;
                gap: 16px;
                padding: 20px 0;
            }
            .related-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .cta-strip {
                padding: 44px 0;
            }
            .cta-strip .container {
                flex-direction: column;
                text-align: center;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
                padding-bottom: 32px;
            }
            .footer-bottom .container {
                flex-direction: column;
                text-align: center;
            }
        }

        @media screen and (max-width: 520px) {
            .logo-text {
                font-size: 16px;
                letter-spacing: 1px;
            }
            .logo-icon {
                width: 30px;
                height: 30px;
            }
            .header-actions {
                gap: 6px;
            }
            .search-btn {
                width: 34px;
                height: 34px;
                font-size: 14px;
            }
            .nav-tabs a {
                font-size: 14px;
                padding: 11px 2px;
            }
            .article-head h1 {
                font-size: 22px;
            }
            .article-meta {
                font-size: 13px;
                gap: 6px;
            }
            .article-content blockquote {
                padding: 1.2rem 1.4rem;
                font-size: 15px;
            }
            .related-card .card-body {
                padding: 18px;
            }
            .cta-strip .btn-lg {
                width: 100%;
            }
            .footer-subscribe {
                flex-direction: column;
                border: none;
                gap: 8px;
            }
            .footer-subscribe input {
                border: 1px solid rgba(255,255,255,0.15);
                border-radius: 6px;
                width: 100%;
            }
            .footer-subscribe button {
                border-radius: 6px;
            }
        }

/* roulang page: category2 */
:root {
            --color-dark: #14262E;
            --color-gold: #C7A15F;
            --color-teal: #1F4F43;
            --color-cream: #F6F3EC;
            --color-ink: #1F2327;
            --color-text-secondary: #5C636B;
            --color-text-muted: #8A9097;
            --color-border: #E5E0D5;
            --color-bg-gray: #EFECE4;
            --radius-card: 8px;
            --radius-metric: 12px;
            --radius-btn: 4px;
            --radius-pill: 999px;
            --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.04), 0 8px 24px rgba(0, 0, 0, 0.06);
            --shadow-dark: 0 8px 32px rgba(0, 0, 0, 0.24);
            --shadow-hover: 0 6px 20px rgba(20, 38, 46, 0.12), 0 14px 40px rgba(20, 38, 46, 0.12);
            --font-serif: "Noto Serif SC", "Songti SC", "SimSun", serif;
            --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            --content-max: 1280px;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.8;
            color: var(--color-ink);
            background: var(--color-cream);
            -webkit-font-smoothing: antialiased;
        }

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

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

        button,
        input,
        select,
        textarea {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.6;
        }

        ul,
        ol {
            list-style: none;
        }

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

        /* ===== 双层导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 999;
            background: var(--color-dark);
            border-bottom: none;
        }

        .header-top {
            background: var(--color-dark);
            height: 68px;
            display: flex;
            align-items: center;
        }

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

        .logo-link {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 36px;
            height: 36px;
            border: 2px solid var(--color-gold);
            border-radius: 6px;
            position: relative;
            flex-shrink: 0;
            background: linear-gradient(135deg, rgba(199, 161, 95, 0.25) 0%, transparent 60%);
        }

        .logo-icon::before {
            content: "尊";
            position: absolute;
            inset: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-gold);
            font-family: var(--font-serif);
            font-size: 17px;
            font-weight: 700;
        }

        .logo-text {
            font-family: var(--font-serif);
            font-size: 24px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 2px;
            white-space: nowrap;
        }

        .logo-text span {
            color: var(--color-gold);
        }

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

        .search-btn {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.28);
            border-radius: var(--radius-btn);
            color: #fff;
            width: 40px;
            height: 40px;
            font-size: 15px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: border-color 0.2s, color 0.2s, background 0.2s;
        }

        .search-btn:hover {
            border-color: var(--color-gold);
            color: var(--color-gold);
            background: rgba(199, 161, 95, 0.08);
        }

        .search-btn:focus-visible {
            outline: 2px solid var(--color-gold);
            outline-offset: 2px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 24px;
            border-radius: var(--radius-btn);
            font-weight: 500;
            font-size: 15px;
            line-height: 1.4;
            border: 1px solid transparent;
            cursor: pointer;
            transition: all 0.25s ease;
            text-align: center;
        }

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

        .btn-gold:hover {
            background: var(--color-dark);
            color: var(--color-gold);
            border-color: var(--color-gold);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
        }

        .btn-gold:active {
            transform: translateY(0);
            box-shadow: none;
        }

        .btn-gold:focus-visible {
            outline: 3px solid rgba(199, 161, 95, 0.5);
            outline-offset: 2px;
        }

        .header-cta {
            padding: 8px 18px;
            font-size: 14px;
            white-space: nowrap;
        }

        .header-nav {
            background: var(--color-cream);
            border-bottom: 1px solid var(--color-border);
            position: relative;
        }

        .nav-tabs {
            display: flex;
            align-items: center;
            gap: 0;
            min-height: 52px;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

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

        .nav-tabs li {
            flex-shrink: 0;
            margin: 0;
        }

        .nav-tabs a {
            display: block;
            padding: 15px 22px;
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text-secondary);
            border-bottom: 3px solid transparent;
            margin-bottom: -1px;
            transition: color 0.2s, border-color 0.2s;
            white-space: nowrap;
        }

        .nav-tabs a:hover {
            color: var(--color-ink);
            border-bottom-color: rgba(199, 161, 95, 0.4);
        }

        .nav-tabs a.active {
            color: var(--color-ink);
            font-weight: 700;
            border-bottom-color: var(--color-gold);
        }

        .nav-tabs a:focus-visible {
            outline: 2px solid var(--color-gold);
            outline-offset: -2px;
        }

        /* ===== Hero ===== */
        .category-hero {
            background: var(--color-cream);
            border-bottom: 1px solid var(--color-border);
            position: relative;
            overflow: hidden;
        }

        .category-hero::before {
            content: "";
            position: absolute;
            top: 0;
            right: 0;
            width: 62%;
            height: 100%;
            background: linear-gradient(135deg, rgba(20, 38, 46, 0.05) 0%, rgba(20, 38, 46, 0.22) 100%), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 40%);
            mask-image: linear-gradient(90deg, transparent 0%, #000 40%);
            z-index: 0;
        }

        .category-hero .container {
            position: relative;
            z-index: 1;
            padding-top: 80px;
            padding-bottom: 80px;
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(199, 161, 95, 0.12);
            border: 1px solid var(--color-gold);
            color: var(--color-gold);
            font-size: 14px;
            font-weight: 500;
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            margin-bottom: 24px;
            letter-spacing: 1px;
        }

        .hero-tag::before {
            content: "";
            width: 18px;
            height: 1px;
            background: var(--color-gold);
        }

        .category-hero h1 {
            font-family: var(--font-serif);
            font-size: 46px;
            line-height: 1.25;
            font-weight: 700;
            color: var(--color-ink);
            margin-bottom: 18px;
            max-width: 720px;
            letter-spacing: 1px;
        }

        .category-hero h1 .gold-text {
            color: var(--color-gold);
        }

        .hero-subtitle {
            font-size: 18px;
            line-height: 1.75;
            color: var(--color-text-secondary);
            max-width: 600px;
            margin-bottom: 32px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 48px;
        }

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

        .btn-outline:hover {
            background: var(--color-dark);
            color: var(--color-cream);
            transform: translateY(-2px);
            box-shadow: var(--shadow-card);
        }

        .hero-metrics {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            max-width: 860px;
            border-top: 1px solid var(--color-border);
            padding-top: 36px;
        }

        .metric-item {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .metric-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-metric);
            background: rgba(199, 161, 95, 0.12);
            color: var(--color-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
        }

        .metric-num {
            font-size: 28px;
            font-weight: 700;
            color: var(--color-ink);
            line-height: 1.2;
            font-feature-settings: "tnum";
        }

        .metric-label {
            font-size: 13px;
            color: var(--color-text-muted);
            line-height: 1.4;
        }

        /* ===== Section 通用 ===== */
        .section {
            padding: 96px 0;
        }

        .section-dark {
            background: var(--color-dark);
            color: #fff;
        }

        .section-light {
            background: #fff;
        }

        .section-cream {
            background: var(--color-cream);
        }

        .section-head {
            margin-bottom: 48px;
            max-width: 720px;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: var(--color-gold);
            font-weight: 500;
            margin-bottom: 14px;
        }

        .section-tag::before {
            content: "";
            width: 28px;
            height: 2px;
            background: var(--color-gold);
            border-radius: 1px;
        }

        .section-head h2 {
            font-family: var(--font-serif);
            font-size: 34px;
            font-weight: 700;
            color: var(--color-ink);
            line-height: 1.3;
            margin-bottom: 12px;
        }

        .section-dark .section-head h2 {
            color: #fff;
        }

        .section-head p {
            font-size: 16px;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        .section-dark .section-head p {
            color: rgba(255, 255, 255, 0.75);
        }

        /* ===== 解决方案总览 ===== */
        .solution-overview {
            background: var(--color-dark);
            color: #fff;
            padding: 96px 0;
            position: relative;
            overflow: hidden;
        }

        .solution-overview::after {
            content: "";
            position: absolute;
            bottom: -120px;
            right: -80px;
            width: 320px;
            height: 320px;
            border: 1px solid rgba(199, 161, 95, 0.15);
            border-radius: 50%;
            z-index: 0;
        }

        .solution-overview .container {
            position: relative;
            z-index: 1;
        }

        .solution-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 40px;
        }

        .solution-card {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-card);
            padding: 32px 28px;
            position: relative;
            transition: background 0.3s, border-color 0.3s, transform 0.3s, box-shadow 0.3s;
        }

        .solution-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 24px;
            right: 24px;
            height: 2px;
            background: var(--color-gold);
            opacity: 0;
            transition: opacity 0.3s;
            border-radius: 1px;
        }

        .solution-card:hover {
            background: rgba(255, 255, 255, 0.09);
            border-color: rgba(199, 161, 95, 0.35);
            transform: translateY(-4px);
            box-shadow: var(--shadow-dark);
        }

        .solution-card:hover::before {
            opacity: 1;
        }

        .solution-card .card-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-metric);
            background: rgba(199, 161, 95, 0.15);
            color: var(--color-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 20px;
        }

        .solution-card h3 {
            font-family: var(--font-serif);
            font-size: 20px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 10px;
        }

        .solution-card p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 0;
        }

        /* ===== 核心能力 上下分区 ===== */
        .capability-section {
            background: #fff;
            padding: 96px 0;
        }

        .capability-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
            padding: 48px 0;
            border-bottom: 1px solid var(--color-border);
        }

        .capability-row:first-of-type {
            padding-top: 0;
        }

        .capability-row:last-of-type {
            border-bottom: none;
            padding-bottom: 0;
        }

        .capability-row.reverse .capability-media {
            order: 2;
        }

        .capability-row.reverse .capability-content {
            order: 1;
        }

        .capability-media {
            position: relative;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            aspect-ratio: 4 / 3;
        }

        .capability-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .capability-media:hover img {
            transform: scale(1.04);
        }

        .capability-media::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(20, 38, 46, 0) 50%, rgba(20, 38, 46, 0.3) 100%);
        }

        .capability-num {
            position: absolute;
            top: -20px;
            left: 24px;
            font-family: var(--font-serif);
            font-size: 64px;
            font-weight: 700;
            color: rgba(199, 161, 95, 0.6);
            z-index: 2;
            line-height: 1;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
        }

        .capability-content {
            padding: 8px 0;
        }

        .capability-content .capability-label {
            display: inline-block;
            background: rgba(199, 161, 95, 0.12);
            color: var(--color-gold);
            font-size: 13px;
            font-weight: 500;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            margin-bottom: 16px;
            letter-spacing: 1px;
        }

        .capability-content h3 {
            font-family: var(--font-serif);
            font-size: 26px;
            font-weight: 700;
            color: var(--color-ink);
            margin-bottom: 12px;
            line-height: 1.35;
        }

        .capability-content p {
            font-size: 15px;
            line-height: 1.75;
            color: var(--color-text-secondary);
            margin-bottom: 16px;
        }

        .capability-list {
            list-style: none;
            margin: 0;
        }

        .capability-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: var(--color-ink);
            padding: 5px 0;
            line-height: 1.6;
        }

        .capability-list i {
            color: var(--color-gold);
            font-size: 14px;
            margin-top: 4px;
            flex-shrink: 0;
        }

        /* ===== 实施流程 ===== */
        .process-section {
            background: var(--color-dark);
            padding: 96px 0;
            color: #fff;
        }

        .process-section .section-head h2 {
            color: #fff;
        }

        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 44px;
        }

        .process-step {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-card);
            padding: 32px 24px;
            position: relative;
            transition: border-color 0.3s, background 0.3s, transform 0.3s;
        }

        .process-step:hover {
            border-color: rgba(199, 161, 95, 0.45);
            background: rgba(255, 255, 255, 0.07);
            transform: translateY(-4px);
        }

        .step-num {
            font-family: var(--font-serif);
            font-size: 36px;
            font-weight: 700;
            color: var(--color-gold);
            line-height: 1;
            margin-bottom: 16px;
            display: block;
        }

        .process-step h3 {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }

        .process-step p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.65;
            margin: 0;
        }

        .step-link {
            position: absolute;
            top: 50%;
            right: -18px;
            color: var(--color-gold);
            font-size: 18px;
            transform: translateY(-50%);
            z-index: 2;
            display: none;
        }

        /* ===== 技术保障 ===== */
        .guarantee-section {
            background: var(--color-cream);
            padding: 96px 0;
        }

        .guarantee-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 40px;
        }

        .guarantee-card {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 32px 24px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s;
        }

        .guarantee-card:hover {
            border-color: rgba(199, 161, 95, 0.45);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .guarantee-card .g-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(199, 161, 95, 0.12);
            color: var(--color-gold);
            font-size: 22px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
        }

        .guarantee-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-ink);
            margin-bottom: 8px;
        }

        .guarantee-card p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.65;
            margin: 0;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: #fff;
            padding: 96px 0;
        }

        .faq-layout {
            display: grid;
            grid-template-columns: 320px 1fr;
            gap: 56px;
            align-items: start;
        }

        .faq-sidebar {
            position: sticky;
            top: 140px;
        }

        .faq-sidebar h2 {
            font-family: var(--font-serif);
            font-size: 30px;
            font-weight: 700;
            color: var(--color-ink);
            line-height: 1.3;
            margin-bottom: 14px;
        }

        .faq-sidebar p {
            font-size: 15px;
            color: var(--color-text-secondary);
            margin-bottom: 24px;
        }

        .faq-sidebar .faq-contact {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--color-gold);
            font-size: 14px;
            font-weight: 500;
            border-bottom: 1px solid rgba(199, 161, 95, 0.4);
            padding-bottom: 4px;
            transition: border-color 0.2s;
        }

        .faq-sidebar .faq-contact:hover {
            border-bottom-color: var(--color-gold);
        }

        .faq-accordion .accordion-item {
            background: var(--color-cream);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            margin-bottom: 14px;
            overflow: hidden;
            transition: border-color 0.3s, background 0.3s;
        }

        .faq-accordion .accordion-item:hover {
            border-color: rgba(199, 161, 95, 0.4);
        }

        .faq-accordion .accordion-item.is-active {
            border-color: rgba(199, 161, 95, 0.5);
            background: #fff;
            box-shadow: var(--shadow-card);
        }

        .faq-accordion .accordion-title {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-ink);
            line-height: 1.5;
            background: transparent;
            position: relative;
            border: none;
        }

        .faq-accordion .accordion-title::after {
            content: "+";
            font-size: 22px;
            font-weight: 400;
            color: var(--color-text-muted);
            width: 24px;
            text-align: center;
            flex-shrink: 0;
            transition: color 0.2s, transform 0.3s;
        }

        .faq-accordion .accordion-item.is-active .accordion-title::after {
            content: "−";
            color: var(--color-gold);
        }

        .faq-accordion .accordion-title:hover::after {
            color: var(--color-gold);
        }

        .faq-accordion .accordion-content {
            padding: 0 24px 20px;
            font-size: 15px;
            line-height: 1.7;
            color: var(--color-text-secondary);
            border: none;
            background: transparent;
        }

        .faq-accordion .accordion-content p {
            margin: 0;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--color-dark);
            padding: 72px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
            opacity: 0.18;
        }

        .cta-section .container {
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            flex-wrap: wrap;
        }

        .cta-text {
            flex: 1;
            min-width: 280px;
        }

        .cta-text h2 {
            font-family: var(--font-serif);
            font-size: 30px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            line-height: 1.3;
        }

        .cta-text p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.72);
            margin: 0;
            max-width: 560px;
        }

        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            flex-shrink: 0;
        }

        .cta-section .btn-gold {
            padding: 13px 32px;
            font-size: 16px;
        }

        .cta-section .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.5);
            padding: 13px 32px;
            font-size: 16px;
            transition: background 0.25s, border-color 0.25s, color 0.25s, transform 0.25s;
        }

        .cta-section .btn-outline-light:hover {
            border-color: var(--color-gold);
            color: var(--color-gold);
            background: rgba(199, 161, 95, 0.08);
            transform: translateY(-2px);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--color-dark);
            color: rgba(255, 255, 255, 0.72);
            padding-top: 72px;
            border-top: 2px solid var(--color-gold);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr 0.8fr 1.2fr;
            gap: 48px;
            padding-bottom: 56px;
        }

        .footer-about .logo-link {
            margin-bottom: 16px;
        }

        .footer-about .logo-text {
            font-size: 22px;
            color: #fff;
        }

        .footer-about p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.62);
            margin: 0;
            max-width: 300px;
        }

        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: 1px;
        }

        .footer-col ul {
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 10px;
            font-size: 14px;
            line-height: 1.5;
        }

        .footer-col ul a {
            color: rgba(255, 255, 255, 0.62);
            transition: color 0.2s, text-decoration 0.2s;
        }

        .footer-col ul a:hover {
            color: #fff;
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
        }

        .footer-contact i {
            color: var(--color-gold);
            width: 16px;
            text-align: center;
            flex-shrink: 0;
        }

        .footer-subscribe {
            display: flex;
            margin-top: 14px;
            gap: 0;
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-btn);
            overflow: hidden;
            background: rgba(255, 255, 255, 0.05);
        }

        .footer-subscribe input {
            flex: 1;
            border: none;
            background: transparent;
            padding: 10px 14px;
            font-size: 13px;
            color: #fff;
            min-width: 0;
        }

        .footer-subscribe input::placeholder {
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-subscribe input:focus-visible {
            outline: none;
            background: rgba(255, 255, 255, 0.06);
        }

        .footer-subscribe button {
            background: var(--color-gold);
            border: none;
            color: var(--color-dark);
            padding: 10px 18px;
            font-size: 13px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, color 0.2s;
            white-space: nowrap;
        }

        .footer-subscribe button:hover {
            background: #fff;
            color: var(--color-dark);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
        }

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

        .footer-bottom p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
            margin: 0;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .solution-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }

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

            .process-steps {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }

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

            .hero-metrics {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }

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

            .faq-sidebar {
                position: static;
            }

            .capability-row {
                gap: 32px;
                padding: 40px 0;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: 64px 0;
            }

            .category-hero .container {
                padding-top: 56px;
                padding-bottom: 56px;
            }

            .category-hero::before {
                width: 100%;
                opacity: 0.25;
            }

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

            .hero-subtitle {
                font-size: 16px;
            }

            .hero-actions {
                gap: 12px;
            }

            .capability-row,
            .capability-row.reverse {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .capability-row.reverse .capability-media {
                order: 1;
            }

            .capability-row.reverse .capability-content {
                order: 2;
            }

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

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

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

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

            .cta-section .container {
                flex-direction: column;
                align-items: flex-start;
            }

            .site-header {
                position: relative;
            }

            .header-top {
                height: 60px;
            }

            .logo-text {
                font-size: 20px;
            }

            .header-cta {
                display: none;
            }

            .search-btn {
                width: 36px;
                height: 36px;
                font-size: 14px;
            }

            .nav-tabs a {
                padding: 13px 16px;
                font-size: 14px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 18px;
                padding-right: 18px;
            }

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

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

            .hero-actions .btn {
                padding: 10px 18px;
                font-size: 14px;
            }

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

            .metric-item {
                gap: 12px;
            }

            .section-head h2 {
                font-size: 24px;
            }

            .capability-content h3 {
                font-size: 21px;
            }

            .footer-bottom .container {
                flex-direction: column;
                text-align: center;
            }

            .btn-gold,
            .btn-outline {
                width: 100%;
                text-align: center;
            }

            .hero-actions {
                width: 100%;
            }

            .hero-actions .btn {
                flex: 1;
            }
        }

        /* ===== Focus 可访问性 ===== */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-gold);
            outline-offset: 2px;
        }

        .section-dark a:focus-visible {
            outline-color: #fff;
        }

        /* ===== Foundation 覆盖 ===== */
        .accordion .accordion-title {
            font-family: var(--font-sans);
        }

        .accordion .accordion-title:hover,
        .accordion .accordion-title:focus {
            background: transparent;
        }

        .accordion .accordion-content {
            border-top: none;
        }

        .accordion {
            background: transparent;
            border: none;
        }

        /* ===== 空态隐藏 ===== */
        .is-hidden {
            display: none !important;
        }