/* roulang page: index */
:root {
            --color-primary: #14161A;
            --color-accent: #00C896;
            --color-highlight: #FF6A3D;
            --color-bg: #F8F7F4;
            --color-card: #FFFFFF;
            --color-card-alt: #FBFAF8;
            --color-text: #1E2026;
            --color-text-secondary: #5A5E66;
            --color-text-muted: #8A8E96;
            --color-border: #E8E6E1;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-sm: 0 4px 20px rgba(20,22,26,0.04);
            --shadow-md: 0 12px 32px rgba(20,22,26,0.10);
            --shadow-lg: 0 20px 48px rgba(20,22,26,0.16);
            --font-sans: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
            --font-num: "DIN Alternate", "Roboto Mono", "Bebas Neue", sans-serif;
            --transition: all 0.25s ease;
            --header-height: 68px;
            --scroll-margin: 80px;
        }

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

        body {
            font-family: var(--font-sans);
            color: var(--color-text);
            background-color: var(--color-bg);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            scroll-padding-top: var(--scroll-margin);
        }

        a {
            color: var(--color-accent);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            text-decoration: none;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

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

        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }

        @media (min-width: 1200px) {
            .container {
                padding-left: 32px;
                padding-right: 32px;
            }
        }

        /* ===== 导航 Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: rgba(248,247,244,0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--color-border);
            height: var(--header-height);
            padding: 0;
        }
        .site-header .navbar {
            padding: 0;
            height: var(--header-height);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .navbar-brand-custom {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--color-text);
            white-space: nowrap;
        }
        .navbar-brand-custom:hover {
            color: var(--color-text);
        }
        .brand-icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background-color: var(--color-primary);
            color: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .navbar-nav-custom {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .navbar-nav-custom li a {
            display: block;
            padding: 8px 16px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            border-radius: 6px;
            position: relative;
        }
        .navbar-nav-custom li a:hover {
            color: var(--color-text);
            background-color: rgba(0,0,0,0.04);
        }
        .navbar-nav-custom li a.active {
            color: var(--color-accent);
            font-weight: 600;
        }
        .navbar-nav-custom li a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 16px;
            right: 16px;
            height: 2px;
            background-color: var(--color-accent);
            border-radius: 2px;
        }
        .nav-right-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .command-search {
            display: flex;
            align-items: center;
            gap: 6px;
            background-color: #fff;
            border: 1px solid var(--color-border);
            border-radius: 6px;
            padding: 6px 12px;
            width: 220px;
            transition: border-color 0.25s ease, box-shadow 0.25s ease;
        }
        .command-search:hover,
        .command-search:focus-within {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(0,200,150,0.10);
        }
        .command-search i {
            color: var(--color-text-muted);
            font-size: 0.85rem;
        }
        .command-search input {
            border: none;
            outline: none;
            background: transparent;
            font-size: 0.9rem;
            color: var(--color-text);
            width: 100%;
        }
        .command-search input::placeholder {
            color: var(--color-text-muted);
            font-size: 0.85rem;
        }
        .btn-login-link {
            color: var(--color-text-secondary);
            font-size: 0.9rem;
            font-weight: 500;
            white-space: nowrap;
            padding: 8px 4px;
        }
        .btn-login-link:hover {
            color: var(--color-accent);
        }
        .btn-nav-cta {
            background-color: var(--color-highlight);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            padding: 10px 18px;
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            transition: var(--transition);
        }
        .btn-nav-cta:hover {
            background-color: #E55028;
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(255,106,61,0.30);
        }

        /* 移动端汉堡 */
        .navbar-toggler-custom {
            display: none;
            border: 1px solid var(--color-border);
            background: #fff;
            border-radius: 6px;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            color: var(--color-text);
            cursor: pointer;
        }
        .navbar-toggler-custom i {
            font-size: 1.1rem;
        }

        @media (max-width: 991px) {
            .navbar-toggler-custom {
                display: flex;
            }
            .navbar-nav-custom {
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background-color: #fff;
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                padding: 16px 24px;
                border-bottom: 1px solid var(--color-border);
                box-shadow: 0 16px 32px rgba(20,22,26,0.08);
                display: none;
                z-index: 999;
            }
            .navbar-nav-custom.show {
                display: flex;
            }
            .navbar-nav-custom li a {
                padding: 12px 8px;
                border-bottom: 1px solid var(--color-border);
                border-radius: 0;
            }
            .navbar-nav-custom li a.active::after {
                display: none;
            }
            .nav-right-actions {
                gap: 8px;
            }
            .command-search {
                width: 150px;
            }
        }
        @media (max-width: 575px) {
            .command-search {
                display: none;
            }
            .btn-login-link {
                display: none;
            }
            .btn-nav-cta {
                padding: 8px 12px;
                font-size: 0.8rem;
            }
            .site-header .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* ===== 通用板块样式 ===== */
        main {
            min-height: 60vh;
        }
        .section-block {
            padding: 72px 0;
        }
        .section-block.section-dark {
            background-color: var(--color-primary);
            color: #fff;
        }
        .section-block.section-light {
            background-color: var(--color-bg);
        }
        .section-block.section-white {
            background-color: #fff;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            line-height: 1.3;
            color: var(--color-text);
            margin-bottom: 12px;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-secondary);
            max-width: 720px;
            line-height: 1.8;
            margin-bottom: 32px;
        }
        .section-dark .section-title {
            color: #fff;
        }
        .section-dark .section-subtitle {
            color: #C6C9CF;
        }
        .section-label {
            display: inline-block;
            padding: 4px 14px;
            background-color: rgba(0,200,150,0.10);
            color: var(--color-accent);
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 12px;
        }
        .section-dark .section-label {
            background-color: rgba(0,200,150,0.18);
            color: var(--color-accent);
        }

        /* ===== Hero ===== */
        .hero-section {
            position: relative;
            min-height: 580px;
            background: linear-gradient(135deg, #14161A 0%, #1A1D22 40%, #0F1114 100%);
            color: #fff;
            display: flex;
            align-items: center;
            overflow: hidden;
            padding: 80px 0 64px;
        }
        .hero-bg-image {
            position: absolute;
            top: 0;
            right: 0;
            width: 55%;
            height: 100%;
            background-image: url('/assets/images/e8a37d54fdec963f.webp');
            background-size: cover;
            background-position: center;
            z-index: 0;
        }
        .hero-bg-overlay {
            position: absolute;
            top: 0;
            right: 0;
            width: 55%;
            height: 100%;
            background: linear-gradient(90deg, #14161A 0%, rgba(20,22,26,0.70) 40%, rgba(20,22,26,0.35) 100%);
            z-index: 1;
        }
        .hero-section .container {
            position: relative;
            z-index: 2;
        }
        .hero-content {
            padding-right: 40px;
            max-width: 640px;
        }
        .hero-title {
            font-size: 2.75rem;
            font-weight: 800;
            line-height: 1.25;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: -0.01em;
        }
        .hero-title span {
            color: var(--color-accent);
        }
        .hero-subtitle {
            font-size: 1.1rem;
            color: #C6C9CF;
            line-height: 1.8;
            margin-bottom: 30px;
            max-width: 560px;
        }
        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn-hero-primary {
            background-color: var(--color-highlight);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            padding: 14px 28px;
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-hero-primary:hover {
            background-color: #E55028;
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(255,106,61,0.35);
        }
        .btn-hero-ghost {
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255,255,255,0.30);
            border-radius: var(--radius-sm);
            padding: 14px 28px;
            font-weight: 500;
            font-size: 1rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-hero-ghost:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            transform: translateY(-2px);
        }
        .hero-data-panel {
            background: rgba(255,255,255,0.06);
            border: 1px solid rgba(255,255,255,0.12);
            border-radius: var(--radius-lg);
            padding: 24px;
            backdrop-filter: blur(8px);
        }
        .hero-data-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .hero-stat-card {
            background: rgba(255,255,255,0.05);
            border-radius: var(--radius-md);
            padding: 18px;
            text-align: center;
            transition: var(--transition);
        }
        .hero-stat-card:hover {
            background: rgba(0,200,150,0.10);
            transform: translateY(-3px);
        }
        .hero-stat-number {
            font-family: var(--font-num);
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1.2;
            margin-bottom: 4px;
        }
        .hero-stat-label {
            font-size: 0.85rem;
            color: #C6C9CF;
            white-space: nowrap;
        }

        @media (max-width: 991px) {
            .hero-section {
                min-height: auto;
                padding: 64px 0;
            }
            .hero-bg-image,
            .hero-bg-overlay {
                width: 100%;
            }
            .hero-bg-overlay {
                background: linear-gradient(0deg, rgba(20,22,26,0.88) 0%, rgba(20,22,26,0.55) 100%);
            }
            .hero-content {
                padding-right: 0;
                max-width: 100%;
            }
            .hero-title {
                font-size: 2rem;
            }
            .hero-data-panel {
                margin-top: 32px;
            }
        }
        @media (max-width: 575px) {
            .hero-section {
                padding: 48px 0;
            }
            .hero-title {
                font-size: 1.65rem;
            }
            .hero-subtitle {
                font-size: 0.98rem;
            }
            .hero-actions {
                flex-direction: column;
                gap: 10px;
            }
            .hero-stat-number {
                font-size: 1.6rem;
            }
        }

        /* ===== 指标看板 ===== */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .metric-card {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 24px;
            text-align: center;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .metric-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: rgba(0,200,150,0.35);
        }
        .metric-number {
            font-family: var(--font-num);
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .metric-label {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            font-weight: 500;
        }

        @media (max-width: 991px) {
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 575px) {
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .metric-card {
                padding: 16px;
            }
            .metric-number {
                font-size: 1.8rem;
            }
        }

        /* ===== 服务矩阵 ===== */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .service-card {
            background-color: var(--color-card);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background-color: var(--color-accent);
            opacity: 0;
            transition: var(--transition);
        }
        .service-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .service-card:hover::before {
            opacity: 1;
        }
        .service-icon {
            width: 48px;
            height: 48px;
            border-radius: 10px;
            background-color: rgba(0,200,150,0.12);
            color: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin-bottom: 16px;
        }
        .service-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
        }
        .service-card p {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 14px;
        }
        .service-link {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--color-accent);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .service-link:hover {
            color: var(--color-primary);
            text-decoration: underline;
        }

        @media (max-width: 991px) {
            .services-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 结果对比 ===== */
        .comparison-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .comparison-card {
            border-radius: var(--radius-lg);
            padding: 28px;
            border: 1px solid var(--color-border);
            background-color: var(--color-card);
            transition: var(--transition);
        }
        .comparison-card.comparison-before {
            background-color: #F5F2ED;
            border-color: #E0DBD3;
        }
        .comparison-card.comparison-after {
            background-color: rgba(0,200,150,0.06);
            border-color: rgba(0,200,150,0.30);
        }
        .comparison-card:hover {
            box-shadow: var(--shadow-md);
        }
        .comparison-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .comparison-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .comparison-list li {
            padding: 10px 0;
            border-bottom: 1px solid var(--color-border);
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            display: flex;
            align-items: flex-start;
            gap: 8px;
        }
        .comparison-list li:last-child {
            border-bottom: none;
        }
        .comparison-list li i {
            margin-top: 3px;
            flex-shrink: 0;
        }
        .comparison-before .comparison-list li i {
            color: #CCC5BA;
        }
        .comparison-after .comparison-list li i {
            color: var(--color-accent);
        }

        @media (max-width: 767px) {
            .comparison-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 里程碑 ===== */
        .milestones-container {
            position: relative;
            padding-left: 28px;
        }
        .milestones-container::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 0;
            bottom: 0;
            width: 2px;
            background-color: var(--color-border);
        }
        .milestone-item {
            position: relative;
            padding-left: 24px;
            margin-bottom: 28px;
        }
        .milestone-item:last-child {
            margin-bottom: 0;
        }
        .milestone-item::before {
            content: '';
            position: absolute;
            left: -22px;
            top: 4px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background-color: var(--color-accent);
            border: 2px solid #fff;
            box-shadow: 0 0 0 1px var(--color-accent);
        }
        .milestone-year {
            font-family: var(--font-num);
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--color-accent);
            margin-bottom: 4px;
        }
        .milestone-text {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        /* ===== 品牌介绍 ===== */
        .brand-intro-section {
            background-color: var(--color-primary);
            color: #fff;
            padding: 72px 0;
        }
        .brand-intro-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .brand-intro-content h2 {
            font-size: 1.85rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 20px;
        }
        .brand-intro-content h2 span {
            color: var(--color-accent);
        }
        .brand-intro-content p {
            color: #C6C9CF;
            line-height: 1.8;
            font-size: 1rem;
            margin-bottom: 14px;
        }
        .brand-intro-stats {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .brand-stat-card {
            background: rgba(255,255,255,0.06);
            border: 1px solid rgba(255,255,255,0.12);
            border-radius: var(--radius-md);
            padding: 20px;
            text-align: center;
            transition: var(--transition);
        }
        .brand-stat-card:hover {
            background: rgba(0,200,150,0.12);
            transform: translateY(-2px);
        }
        .brand-stat-number {
            font-family: var(--font-num);
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1.3;
        }
        .brand-stat-label {
            font-size: 0.85rem;
            color: #C6C9CF;
        }

        @media (max-width: 991px) {
            .brand-intro-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .brand-intro-stats {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 575px) {
            .brand-intro-stats {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 场景专题 ===== */
        .scenes-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .scene-card {
            background-color: var(--color-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .scene-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .scene-image {
            height: 180px;
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .scene-image::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 40%;
            background: linear-gradient(0deg, rgba(20,22,26,0.5) 0%, transparent 100%);
        }
        .scene-card-body {
            padding: 20px;
        }
        .scene-card-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 6px;
        }
        .scene-card-body p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin-bottom: 0;
        }

        @media (max-width: 991px) {
            .scenes-grid {
                grid-template-columns: 1fr;
            }
            .scene-image {
                height: 160px;
            }
        }

        /* ===== 焦点主题 ===== */
        .focus-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }
        .focus-card {
            background-color: var(--color-card);
            border-radius: var(--radius-md);
            padding: 20px;
            border: 1px solid var(--color-border);
            transition: var(--transition);
            text-align: center;
        }
        .focus-card:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-sm);
            transform: translateY(-2px);
        }
        .focus-card i {
            font-size: 1.6rem;
            color: var(--color-accent);
            margin-bottom: 10px;
        }
        .focus-card h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 6px;
        }
        .focus-card p {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            line-height: 1.5;
            margin-bottom: 0;
        }

        @media (max-width: 991px) {
            .focus-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 575px) {
            .focus-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 资讯列表 ===== */
        .news-layout {
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            gap: 24px;
        }
        .news-list-panel {
            background-color: var(--color-card);
            border-radius: var(--radius-md);
            padding: 24px;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
        }
        .news-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 0;
            border-bottom: 1px solid var(--color-border);
            gap: 12px;
        }
        .news-item:last-child {
            border-bottom: none;
        }
        .news-item-title {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text);
            flex: 1;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            transition: var(--transition);
        }
        .news-item:hover .news-item-title {
            color: var(--color-accent);
        }
        .news-item-date {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            white-space: nowrap;
            font-family: var(--font-num);
        }
        .news-featured {
            background-color: var(--color-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .news-featured:hover {
            box-shadow: var(--shadow-md);
        }
        .news-featured-image {
            height: 200px;
            background-size: cover;
            background-position: center;
        }
        .news-featured-body {
            padding: 20px;
        }
        .news-featured-body h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 6px;
        }
        .news-featured-body p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            margin-bottom: 0;
        }

        @media (max-width: 767px) {
            .news-layout {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 平台保障 ===== */
        .assurance-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
        }
        .assurance-item {
            background-color: var(--color-card);
            border-radius: var(--radius-md);
            padding: 20px;
            text-align: center;
            border: 1px solid var(--color-border);
            transition: var(--transition);
        }
        .assurance-item:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-sm);
        }
        .assurance-item i {
            font-size: 1.4rem;
            color: var(--color-accent);
            margin-bottom: 8px;
            display: block;
        }
        .assurance-item span {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            font-weight: 500;
        }

        @media (max-width: 991px) {
            .assurance-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        @media (max-width: 575px) {
            .assurance-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .assurance-item {
                padding: 14px;
            }
        }

        /* ===== 快速解答 ===== */
        .qa-compact-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .qa-compact-item {
            background-color: var(--color-card);
            border-radius: var(--radius-sm);
            padding: 18px;
            border-left: 3px solid var(--color-accent);
            border-top: 1px solid var(--color-border);
            border-right: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
            transition: var(--transition);
        }
        .qa-compact-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .qa-compact-item h3 {
            font-size: 0.98rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 6px;
        }
        .qa-compact-item p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            margin-bottom: 0;
            line-height: 1.6;
        }

        @media (max-width: 767px) {
            .qa-compact-list {
                grid-template-columns: 1fr;
            }
        }

        /* ===== FAQ ===== */
        .faq-section {
            background-color: var(--color-primary);
            color: #fff;
        }
        .faq-section .section-title {
            color: #fff;
        }
        .faq-section .section-subtitle {
            color: #C6C9CF;
        }
        .faq-accordion .accordion-item {
            background: rgba(255,255,255,0.04);
            border: 1px solid rgba(255,255,255,0.12);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
        }
        .faq-accordion .accordion-button {
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            padding: 18px 20px;
            border: none;
            box-shadow: none;
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            background: rgba(0,200,150,0.10);
            color: var(--color-accent);
            box-shadow: none;
        }
        .faq-accordion .accordion-button::after {
            filter: invert(1);
        }
        .faq-accordion .accordion-button:focus {
            outline: 2px solid var(--color-accent);
            outline-offset: -2px;
            box-shadow: none;
        }
        .faq-accordion .accordion-body {
            color: #C6C9CF;
            font-size: 0.95rem;
            padding: 16px 20px;
            line-height: 1.7;
        }

        /* ===== 转化表单 ===== */
        .cta-form-section {
            background-color: var(--color-primary);
            padding: 72px 0;
            color: #fff;
        }
        .cta-form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .cta-form-content h2 {
            font-size: 1.85rem;
            font-weight: 800;
            margin-bottom: 14px;
        }
        .cta-form-content h2 span {
            color: var(--color-accent);
        }
        .cta-form-content p {
            color: #C6C9CF;
            line-height: 1.8;
        }
        .cta-form {
            background: rgba(255,255,255,0.06);
            border: 1px solid rgba(255,255,255,0.14);
            border-radius: var(--radius-lg);
            padding: 28px;
        }
        .cta-form .form-group {
            margin-bottom: 16px;
        }
        .cta-form label {
            font-size: 0.9rem;
            font-weight: 500;
            color: #C6C9CF;
            margin-bottom: 6px;
            display: block;
        }
        .cta-form input,
        .cta-form select,
        .cta-form textarea {
            width: 100%;
            padding: 11px 14px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255,255,255,0.20);
            background: rgba(255,255,255,0.08);
            color: #fff;
            font-size: 0.95rem;
            transition: var(--transition);
            outline: none;
        }
        .cta-form input::placeholder,
        .cta-form textarea::placeholder {
            color: rgba(255,255,255,0.40);
        }
        .cta-form input:focus,
        .cta-form select:focus,
        .cta-form textarea:focus {
            border-color: var(--color-accent);
            background: rgba(255,255,255,0.12);
            box-shadow: 0 0 0 3px rgba(0,200,150,0.15);
        }
        .cta-form select {
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23C6C9CF' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 14px center;
        }
        .cta-form select option {
            color: #1E2026;
            background-color: #fff;
        }
        .btn-form-submit {
            background-color: var(--color-highlight);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            padding: 14px 28px;
            font-weight: 600;
            font-size: 1rem;
            width: 100%;
            transition: var(--transition);
            cursor: pointer;
        }
        .btn-form-submit:hover {
            background-color: #E55028;
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(255,106,61,0.35);
        }

        @media (max-width: 991px) {
            .cta-form-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background-color: #0E1013;
            color: #9A9EA6;
            padding: 48px 0 24px;
        }
        .footer-brand {
            margin-bottom: 24px;
        }
        .footer-brand .navbar-brand-custom {
            color: #fff;
            font-size: 1.3rem;
            margin-bottom: 8px;
        }
        .footer-brand-text {
            font-size: 0.9rem;
            color: #9A9EA6;
            line-height: 1.7;
            max-width: 400px;
        }
        .footer-links {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            margin-bottom: 20px;
        }
        .footer-links a {
            color: #9A9EA6;
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--color-accent);
            text-decoration: none;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            justify-content: space-between;
            font-size: 0.85rem;
        }
        .footer-bottom a {
            color: #9A9EA6;
            transition: var(--transition);
        }
        .footer-bottom a:hover {
            color: var(--color-accent);
        }
        .footer-separator {
            color: #9A9EA6;
            margin: 0 4px;
        }
        @media (max-width: 575px) {
            .site-footer {
                padding: 32px 0 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }

        /* ===== 通用工具 ===== */
        .scroll-margin-anchor {
            scroll-margin-top: var(--scroll-margin);
        }
        .text-accent {
            color: var(--color-accent);
        }
        .mt-section {
            margin-top: 72px;
        }
        .pb-0 {
            padding-bottom: 0 !important;
        }
        .pt-0 {
            padding-top: 0 !important;
        }

        /* ===== 媒体精选横向卡片 ===== */
        .media-scroll-wrapper {
            display: flex;
            gap: 18px;
            overflow-x: auto;
            padding-bottom: 12px;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
        }
        .media-scroll-wrapper::-webkit-scrollbar {
            height: 6px;
        }
        .media-scroll-wrapper::-webkit-scrollbar-track {
            background: var(--color-border);
            border-radius: 3px;
        }
        .media-scroll-wrapper::-webkit-scrollbar-thumb {
            background: #CCC5BA;
            border-radius: 3px;
        }
        .media-card {
            flex: 0 0 280px;
            scroll-snap-align: start;
            background-color: var(--color-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .media-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .media-card-image {
            height: 140px;
            background-size: cover;
            background-position: center;
        }
        .media-card-body {
            padding: 16px;
        }
        .media-card-body h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 4px;
        }
        .media-card-body p {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin-bottom: 0;
        }

/* roulang page: category2 */
:root {
            --color-primary: #14161A;
            --color-accent: #00C896;
            --color-highlight: #FF6A3D;
            --color-bg: #F8F7F4;
            --color-card: #FFFFFF;
            --color-card-alt: #FBFAF8;
            --color-text: #1E2026;
            --color-text-secondary: #5A5E66;
            --color-text-muted: #8A8E96;
            --color-border: #E8E6E1;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-sm: 0 4px 20px rgba(20,22,26,0.04);
            --shadow-md: 0 12px 32px rgba(20,22,26,0.10);
            --shadow-lg: 0 20px 48px rgba(20,22,26,0.16);
            --font-sans: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
            --font-num: "DIN Alternate", "Roboto Mono", "Bebas Neue", sans-serif;
            --transition: all 0.25s ease;
            --header-height: 68px;
            --scroll-margin: 80px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        body {
            font-family: var(--font-sans);
            color: var(--color-text);
            background-color: var(--color-bg);
            line-height: 1.7;
            margin: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            scroll-padding-top: var(--scroll-margin);
        }
        a {
            color: var(--color-accent);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            text-decoration: none;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }
        @media (min-width: 576px) {
            .container {
                padding-left: 32px;
                padding-right: 32px;
            }
        }
        h1, h2, h3, h4, h5, h6 {
            font-weight: 700;
            line-height: 1.25;
            margin-top: 0;
            margin-bottom: 1rem;
        }
        h1 {
            font-size: 2.25rem;
            color: var(--color-primary);
        }
        h2 {
            font-size: 1.75rem;
            color: var(--color-primary);
        }
        h3 {
            font-size: 1.25rem;
            color: var(--color-primary);
        }
        p {
            margin-top: 0;
            margin-bottom: 1rem;
        }
        /* 导航 Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: rgba(248,247,244,0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--color-border);
            height: var(--header-height);
            padding: 0;
        }
        .site-header .navbar {
            padding: 0;
            height: var(--header-height);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: 1200px;
        }
        .navbar-brand-custom {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--color-text);
            white-space: nowrap;
            text-decoration: none;
        }
        .navbar-brand-custom:hover {
            color: var(--color-text);
        }
        .brand-icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background-color: var(--color-primary);
            color: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .navbar-nav-custom {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .navbar-nav-custom li a {
            display: block;
            padding: 8px 16px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            border-radius: 6px;
            position: relative;
            white-space: nowrap;
        }
        .navbar-nav-custom li a:hover {
            color: var(--color-text);
            background-color: rgba(0,0,0,0.04);
        }
        .navbar-nav-custom li a.active {
            color: var(--color-accent);
            font-weight: 600;
        }
        .navbar-nav-custom li a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 16px;
            right: 16px;
            height: 2px;
            background-color: var(--color-accent);
            border-radius: 2px;
        }
        .nav-right-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .command-search {
            display: flex;
            align-items: center;
            gap: 6px;
            background-color: #fff;
            border: 1px solid var(--color-border);
            border-radius: 6px;
            padding: 6px 12px;
            width: 220px;
            transition: border-color 0.25s ease, box-shadow 0.25s ease;
        }
        .command-search:hover,
        .command-search:focus-within {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(0,200,150,0.10);
        }
        .command-search i {
            color: var(--color-text-muted);
            font-size: 0.85rem;
        }
        .command-search input {
            border: none;
            outline: none;
            background: transparent;
            font-size: 0.9rem;
            color: var(--color-text);
            width: 100%;
        }
        .command-search input::placeholder {
            color: var(--color-text-muted);
            font-size: 0.85rem;
        }
        .btn-login-link {
            color: var(--color-text-secondary);
            font-size: 0.9rem;
            font-weight: 500;
            white-space: nowrap;
            padding: 8px 4px;
            text-decoration: none;
        }
        .btn-login-link:hover {
            color: var(--color-accent);
        }
        .btn-nav-cta {
            background-color: var(--color-highlight);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            padding: 10px 18px;
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            transition: var(--transition);
            text-decoration: none;
            display: inline-block;
        }
        .btn-nav-cta:hover {
            background-color: #E55028;
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 16px rgba(255,106,61,0.25);
        }
        .navbar-toggler-custom {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-text);
            cursor: pointer;
            padding: 8px 12px;
            border-radius: 6px;
        }
        .navbar-toggler-custom:hover {
            background-color: rgba(0,0,0,0.04);
        }
        @media (max-width: 991.98px) {
            .navbar-toggler-custom {
                display: block;
            }
            .navbar-nav-custom,
            .nav-right-actions {
                display: none;
            }
            .site-header .container {
                flex-wrap: wrap;
            }
            .navbar-collapse-mobile {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background-color: #F8F7F4;
                border-bottom: 1px solid var(--color-border);
                padding: 16px 24px;
                z-index: 1001;
            }
            .navbar-collapse-mobile .navbar-nav-custom {
                display: flex;
                flex-direction: column;
                align-items: stretch;
                gap: 8px;
                margin-bottom: 16px;
            }
            .navbar-collapse-mobile .navbar-nav-custom li a {
                padding: 12px 16px;
            }
            .navbar-collapse-mobile .nav-right-actions {
                display: flex;
                flex-direction: column;
                align-items: stretch;
                gap: 12px;
            }
            .navbar-collapse-mobile .command-search {
                width: 100%;
            }
            .navbar-collapse-mobile .btn-nav-cta {
                text-align: center;
            }
        }
        /* 分类页头 */
        .category-header {
            background-image: linear-gradient(rgba(20,22,26,0.75), rgba(20,22,26,0.75)), url('/assets/images/e8a37d54fdec963f.webp');
            background-size: cover;
            background-position: center;
            padding: 56px 0;
            color: #fff;
            margin-bottom: 48px;
        }
        .category-header .breadcrumb {
            background: transparent;
            padding: 0;
            margin-bottom: 0.5rem;
            font-size: 0.875rem;
        }
        .category-header .breadcrumb a {
            color: rgba(255,255,255,0.7);
        }
        .category-header .breadcrumb a:hover {
            color: var(--color-accent);
        }
        .category-header .breadcrumb .breadcrumb-item.active {
            color: var(--color-accent);
        }
        .category-header h1 {
            color: #fff;
            font-size: 2.5rem;
            margin-bottom: 1rem;
        }
        .category-header .category-meta {
            color: rgba(255,255,255,0.8);
            font-size: 0.95rem;
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
        }
        .category-header .category-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        /* 列表卡片 */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-bottom: 48px;
        }
        .news-card {
            background: var(--color-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .news-card .card-img {
            position: relative;
            aspect-ratio: 16/10;
            overflow: hidden;
            background: #f0f0f0;
        }
        .news-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .news-card:hover .card-img img {
            transform: scale(1.05);
        }
        .news-card .card-body {
            padding: 20px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .news-card .card-title {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 0.75rem;
            transition: var(--transition);
        }
        .news-card:hover .card-title {
            color: var(--color-accent);
        }
        .news-card .card-text {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin-bottom: 1rem;
            flex: 1;
        }
        .news-card .card-footer-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.8rem;
            color: var(--color-text-muted);
            border-top: 1px solid var(--color-border);
            padding-top: 12px;
            margin-top: auto;
        }
        .news-card .read-link {
            color: var(--color-accent);
            font-weight: 500;
            text-decoration: none;
            font-size: 0.85rem;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .news-card .read-link:hover {
            color: var(--color-primary);
        }
        @media (max-width: 991.98px) {
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 575.98px) {
            .news-grid {
                grid-template-columns: 1fr;
            }
        }
        /* 筛选工具条 */
        .filter-bar {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
            margin-bottom: 32px;
            box-shadow: var(--shadow-sm);
        }
        .filter-bar .filter-label {
            font-weight: 600;
            color: var(--color-text);
            font-size: 0.9rem;
            white-space: nowrap;
        }
        .filter-bar .filter-options {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .filter-bar .filter-btn {
            background: transparent;
            border: 1px solid var(--color-border);
            border-radius: 20px;
            padding: 6px 16px;
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }
        .filter-bar .filter-btn:hover,
        .filter-bar .filter-btn.active {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: rgba(0,200,150,0.08);
        }
        .filter-bar .filter-select {
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            padding: 6px 12px;
            font-size: 0.85rem;
            color: var(--color-text);
            background: #fff;
            outline: none;
        }
        /* 统计面板 */
        .stats-panel {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-bottom: 48px;
        }
        .stat-item {
            background: var(--color-card);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border-top: 3px solid var(--color-accent);
        }
        .stat-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .stat-item .stat-number {
            font-family: var(--font-num);
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.1;
            margin-bottom: 8px;
        }
        .stat-item .stat-number span {
            color: var(--color-accent);
            font-size: 1.5rem;
        }
        .stat-item .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
        }
        @media (max-width: 991.98px) {
            .stats-panel {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 575.98px) {
            .stats-panel {
                grid-template-columns: 1fr;
            }
        }
        /* 专题标签云 */
        .topic-cloud {
            background: var(--color-card);
            border-radius: var(--radius-md);
            padding: 24px;
            margin-bottom: 48px;
            box-shadow: var(--shadow-sm);
        }
        .topic-cloud h2 {
            font-size: 1.35rem;
            margin-bottom: 16px;
        }
        .topic-cloud .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .topic-cloud .tag-item {
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            border-radius: 20px;
            padding: 6px 16px;
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            transition: var(--transition);
            text-decoration: none;
        }
        .topic-cloud .tag-item:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: rgba(0,200,150,0.08);
        }
        /* 相关服务 */
        .related-services {
            margin-bottom: 48px;
        }
        .related-services h2 {
            margin-bottom: 24px;
        }
        .service-recommend-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .service-recommend-item {
            background: var(--color-card);
            border-radius: var(--radius-md);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border-left: 3px solid var(--color-accent);
        }
        .service-recommend-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .service-recommend-item h3 {
            font-size: 1.1rem;
            margin-bottom: 8px;
        }
        .service-recommend-item p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            margin-bottom: 12px;
        }
        .service-recommend-item a {
            font-weight: 500;
            font-size: 0.9rem;
            color: var(--color-accent);
        }
        .service-recommend-item a:hover {
            color: var(--color-primary);
        }
        @media (max-width: 991.98px) {
            .service-recommend-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 575.98px) {
            .service-recommend-grid {
                grid-template-columns: 1fr;
            }
        }
        /* 订阅表单 */
        .subscribe-section {
            background: var(--color-primary);
            border-radius: var(--radius-lg);
            padding: 40px 32px;
            color: #fff;
            margin-bottom: 48px;
        }
        .subscribe-section h2 {
            color: #fff;
            margin-bottom: 8px;
        }
        .subscribe-section p {
            color: rgba(255,255,255,0.8);
            margin-bottom: 24px;
        }
        .subscribe-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .subscribe-form input {
            flex: 1;
            min-width: 200px;
            background: rgba(255,255,255,0.1);
            border: 1px solid rgba(255,255,255,0.3);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            color: #fff;
            font-size: 0.95rem;
            outline: none;
            transition: var(--transition);
        }
        .subscribe-form input::placeholder {
            color: rgba(255,255,255,0.6);
        }
        .subscribe-form input:focus {
            border-color: var(--color-accent);
            background: rgba(255,255,255,0.15);
        }
        .subscribe-form button {
            background: var(--color-highlight);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            padding: 12px 24px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }
        .subscribe-form button:hover {
            background: #E55028;
            transform: translateY(-2px);
            box-shadow: 0 8px 16px rgba(255,106,61,0.25);
        }
        /* FAQ */
        .faq-section {
            margin-bottom: 64px;
        }
        .faq-section h2 {
            margin-bottom: 24px;
        }
        .accordion-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md) !important;
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }
        .accordion-button {
            background: var(--color-card);
            color: var(--color-text);
            font-weight: 600;
            font-size: 1rem;
            padding: 16px 20px;
            border: none;
            box-shadow: none !important;
        }
        .accordion-button:not(.collapsed) {
            background: var(--color-card-alt);
            color: var(--color-primary);
        }
        .accordion-button::after {
            filter: brightness(0) saturate(100%) invert(60%) sepia(100%) saturate(400%) hue-rotate(110deg);
        }
        .accordion-button:focus {
            outline: 2px solid var(--color-accent);
            outline-offset: -2px;
        }
        .accordion-body {
            padding: 16px 20px;
            font-size: 0.95rem;
            color: var(--color-text-secondary);
        }
        /* 页脚 */
        .site-footer {
            background: var(--color-primary);
            color: #9A9EA6;
            padding: 48px 0 32px;
            font-size: 0.9rem;
        }
        .site-footer .container {
            display: flex;
            flex-direction: column;
            gap: 32px;
        }
        .site-footer .footer-brand {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .site-footer .footer-brand .navbar-brand-custom {
            color: #fff;
            font-size: 1.3rem;
            margin-bottom: 8px;
        }
        .site-footer .footer-brand-text {
            max-width: 480px;
            color: #9A9EA6;
            line-height: 1.7;
            margin: 0;
        }
        .site-footer .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer .footer-links a {
            color: #9A9EA6;
            text-decoration: none;
            transition: var(--transition);
        }
        .site-footer .footer-links a:hover {
            color: var(--color-accent);
        }
        .site-footer .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px 20px;
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 24px;
            font-size: 0.85rem;
        }
        .site-footer .footer-bottom a {
            color: #9A9EA6;
            text-decoration: none;
        }
        .site-footer .footer-bottom a:hover {
            color: var(--color-accent);
        }
        .site-footer .footer-separator {
            margin: 0 8px;
            color: rgba(255,255,255,0.3);
        }
        @media (max-width: 767.98px) {
            .site-footer .container {
                gap: 24px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }
        .category-header .breadcrumb-item + .breadcrumb-item::before {
            content: "›";
            color: rgba(255,255,255,0.5);
        }

/* roulang page: category1 */
:root {
            --color-primary: #14161A;
            --color-accent: #00C896;
            --color-highlight: #FF6A3D;
            --color-bg: #F8F7F4;
            --color-card: #FFFFFF;
            --color-card-alt: #FBFAF8;
            --color-text: #1E2026;
            --color-text-secondary: #5A5E66;
            --color-text-muted: #8A8E96;
            --color-border: #E8E6E1;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-sm: 0 4px 20px rgba(20,22,26,0.04);
            --shadow-md: 0 12px 32px rgba(20,22,26,0.10);
            --shadow-lg: 0 20px 48px rgba(20,22,26,0.16);
            --font-sans: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
            --font-num: "DIN Alternate", "Roboto Mono", "Bebas Neue", sans-serif;
            --transition: all 0.25s ease;
            --header-height: 68px;
            --scroll-margin: 80px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-padding-top: var(--scroll-margin);
        }
        body {
            font-family: var(--font-sans);
            color: var(--color-text);
            background-color: var(--color-bg);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            scroll-padding-top: var(--scroll-margin);
        }
        a {
            color: var(--color-accent);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            text-decoration: none;
            color: var(--color-highlight);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1200px;
            padding-left: 32px;
            padding-right: 32px;
        }
        /* ===== Header / Navigation ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: rgba(248,247,244,0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--color-border);
            height: var(--header-height);
            padding: 0;
        }
        .site-header .navbar {
            padding: 0;
            height: var(--header-height);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .navbar-brand-custom {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--color-text);
            white-space: nowrap;
        }
        .navbar-brand-custom:hover {
            color: var(--color-text);
        }
        .brand-icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background-color: var(--color-primary);
            color: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .navbar-nav-custom {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .navbar-nav-custom li a {
            display: block;
            padding: 8px 16px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            border-radius: 6px;
            position: relative;
        }
        .navbar-nav-custom li a:hover {
            color: var(--color-text);
            background-color: rgba(0,0,0,0.04);
        }
        .navbar-nav-custom li a.active {
            color: var(--color-accent);
            font-weight: 600;
        }
        .navbar-nav-custom li a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 16px;
            right: 16px;
            height: 2px;
            background-color: var(--color-accent);
            border-radius: 2px;
        }
        .nav-right-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .command-search {
            display: flex;
            align-items: center;
            gap: 6px;
            background-color: #fff;
            border: 1px solid var(--color-border);
            border-radius: 6px;
            padding: 6px 12px;
            width: 220px;
            transition: border-color 0.25s ease, box-shadow 0.25s ease;
        }
        .command-search:hover,
        .command-search:focus-within {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(0,200,150,0.10);
        }
        .command-search i {
            color: var(--color-text-muted);
            font-size: 0.85rem;
        }
        .command-search input {
            border: none;
            outline: none;
            background: transparent;
            font-size: 0.9rem;
            color: var(--color-text);
            width: 100%;
        }
        .command-search input::placeholder {
            color: var(--color-text-muted);
            font-size: 0.85rem;
        }
        .btn-login-link {
            color: var(--color-text-secondary);
            font-size: 0.9rem;
            font-weight: 500;
            white-space: nowrap;
            padding: 8px 4px;
        }
        .btn-login-link:hover {
            color: var(--color-accent);
        }
        .btn-nav-cta {
            background-color: var(--color-highlight);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            padding: 10px 18px;
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            transition: var(--transition);
        }
        .btn-nav-cta:hover {
            background-color: #E55028;
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 16px rgba(255,106,61,0.25);
        }
        .navbar-toggler-custom {
            display: none;
            background: none;
            border: none;
            font-size: 1.4rem;
            color: var(--color-text);
            cursor: pointer;
            padding: 8px;
            border-radius: 6px;
        }
        .navbar-toggler-custom:hover {
            color: var(--color-accent);
            background-color: rgba(0,0,0,0.04);
        }
        /* ===== Breadcrumb ===== */
        .breadcrumb-wrap {
            padding: 18px 0 0;
            background: transparent;
        }
        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--color-text-muted);
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .breadcrumb-custom li {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .breadcrumb-custom li a {
            color: var(--color-text-secondary);
        }
        .breadcrumb-custom li a:hover {
            color: var(--color-accent);
        }
        .breadcrumb-custom li:last-child {
            color: var(--color-accent);
            font-weight: 500;
        }
        .breadcrumb-custom .separator {
            color: var(--color-border);
            font-size: 0.75rem;
        }
        /* ===== Category Page Header ===== */
        .category-page-header {
            background-color: var(--color-primary);
            background-image: linear-gradient(rgba(20,22,26,0.72), rgba(20,22,26,0.82)), url('/assets/images/06de28f9c7b125a1.webp');
            background-size: cover;
            background-position: center;
            padding: 56px 0 48px;
            margin-top: 0;
            position: relative;
            overflow: hidden;
        }
        .category-page-header::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--color-accent) 0%, var(--color-highlight) 50%, var(--color-primary) 100%);
        }
        .category-page-header .breadcrumb-custom li a {
            color: rgba(255,255,255,0.7);
        }
        .category-page-header .breadcrumb-custom li a:hover {
            color: var(--color-accent);
        }
        .category-page-header .breadcrumb-custom li {
            color: rgba(255,255,255,0.6);
        }
        .category-page-header .breadcrumb-custom li:last-child {
            color: var(--color-accent);
        }
        .category-page-header .breadcrumb-custom .separator {
            color: rgba(255,255,255,0.4);
        }
        .category-header-content {
            margin-top: 18px;
        }
        .category-header-content h1 {
            font-size: 2.25rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.25;
            margin-bottom: 14px;
            letter-spacing: -0.02em;
        }
        .category-header-content .cat-summary {
            font-size: 1rem;
            color: #C6C9CF;
            max-width: 720px;
            line-height: 1.75;
            margin-bottom: 18px;
        }
        .category-meta-info {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            align-items: center;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.7);
        }
        .category-meta-info span {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .category-meta-info i {
            color: var(--color-accent);
            font-size: 0.85rem;
        }
        /* ===== Section Common ===== */
        .section-block {
            padding: 64px 0;
        }
        .section-block-alt {
            background-color: #FFFFFF;
            padding: 64px 0;
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }
        .section-heading {
            margin-bottom: 36px;
        }
        .section-heading h2 {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }
        .section-heading p {
            color: var(--color-text-secondary);
            font-size: 0.95rem;
            max-width: 680px;
        }
        .section-heading .accent-line {
            display: block;
            width: 48px;
            height: 3px;
            background: linear-gradient(90deg, var(--color-accent), var(--color-highlight));
            border-radius: 4px;
            margin-bottom: 16px;
        }
        /* ===== Stats Panel ===== */
        .stats-panel-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border-top: 3px solid var(--color-accent);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-top-color: var(--color-highlight);
        }
        .stat-card .stat-number {
            font-family: var(--font-num);
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--color-text);
            line-height: 1;
            margin-bottom: 8px;
            letter-spacing: -0.02em;
        }
        .stat-card .stat-number .stat-unit {
            font-size: 1.1rem;
            color: var(--color-accent);
            font-weight: 600;
            margin-left: 2px;
        }
        .stat-card .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            font-weight: 500;
        }
        /* ===== Filter Toolbar ===== */
        .filter-toolbar {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            align-items: center;
            justify-content: space-between;
            box-shadow: var(--shadow-sm);
        }
        .filter-group {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
        }
        .filter-group .filter-label {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-text-secondary);
            margin-right: 4px;
        }
        .filter-pill {
            display: inline-block;
            padding: 6px 16px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            background: var(--color-card-alt);
            border: 1px solid var(--color-border);
            border-radius: 20px;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }
        .filter-pill:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: rgba(0,200,150,0.06);
        }
        .filter-pill.active {
            background: var(--color-accent);
            color: #fff;
            border-color: var(--color-accent);
            font-weight: 600;
        }
        .filter-select {
            padding: 6px 32px 6px 12px;
            font-size: 0.85rem;
            border: 1px solid var(--color-border);
            border-radius: 20px;
            background: var(--color-card-alt);
            color: var(--color-text);
            cursor: pointer;
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%235A5E66' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 12px center;
        }
        .filter-select:focus {
            border-color: var(--color-accent);
        }
        .filter-result-count {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            white-space: nowrap;
        }
        .filter-result-count strong {
            color: var(--color-accent);
            font-weight: 700;
        }
        /* ===== List Cards ===== */
        .data-list-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }
        .data-list-card {
            background: var(--color-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .data-list-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: rgba(0,200,150,0.3);
        }
        .data-list-card .card-thumb {
            position: relative;
            overflow: hidden;
            aspect-ratio: 3 / 2;
        }
        .data-list-card .card-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .data-list-card:hover .card-thumb img {
            transform: scale(1.03);
        }
        .data-list-card .card-thumb .thumb-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(20,22,26,0.78);
            color: var(--color-accent);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 4px;
            letter-spacing: 0.02em;
        }
        .data-list-card .card-body {
            padding: 20px 22px 22px;
        }
        .data-list-card .card-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 10px;
            line-height: 1.4;
            transition: var(--transition);
        }
        .data-list-card:hover .card-body h3 {
            color: var(--color-accent);
        }
        .data-list-card .card-body .card-excerpt {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 14px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .data-list-card .card-body .card-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }
        .data-list-card .card-body .card-meta .read-link {
            color: var(--color-accent);
            font-weight: 600;
            font-size: 0.85rem;
            display: flex;
            align-items: center;
            gap: 4px;
            transition: var(--transition);
        }
        .data-list-card .card-body .card-meta .read-link:hover {
            color: var(--color-highlight);
            gap: 8px;
        }
        .view-more-btn-wrap {
            text-align: center;
            margin-top: 36px;
        }
        .btn-view-more {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            border: 1px solid var(--color-border);
            color: var(--color-text);
            border-radius: var(--radius-sm);
            padding: 12px 28px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .btn-view-more:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }
        /* ===== Topic Cards ===== */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .topic-card {
            background: var(--color-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .topic-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .topic-card .topic-thumb {
            aspect-ratio: 16 / 10;
            overflow: hidden;
        }
        .topic-card .topic-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .topic-card:hover .topic-thumb img {
            transform: scale(1.03);
        }
        .topic-card .topic-body {
            padding: 18px 20px 20px;
        }
        .topic-card .topic-body h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
            transition: var(--transition);
        }
        .topic-card:hover .topic-body h3 {
            color: var(--color-accent);
        }
        .topic-card .topic-body p {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin-bottom: 0;
        }
        /* ===== Related Services ===== */
        .related-service-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .related-service-item {
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 18px 22px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .related-service-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: rgba(0,200,150,0.25);
        }
        .related-service-item .service-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: rgba(0,200,150,0.1);
            color: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            flex-shrink: 0;
        }
        .related-service-item .service-info h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 4px;
        }
        .related-service-item .service-info p {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            margin-bottom: 0;
            line-height: 1.6;
        }
        .related-service-item .service-arrow {
            margin-left: auto;
            color: var(--color-accent);
            font-size: 1.1rem;
            flex-shrink: 0;
            transition: var(--transition);
        }
        .related-service-item:hover .service-arrow {
            transform: translateX(4px);
            color: var(--color-highlight);
        }
        /* ===== Newsletter Form ===== */
        .newsletter-section {
            background: linear-gradient(135deg, #0E3D32 0%, #14161A 80%);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            margin: 0;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .newsletter-section::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -20%;
            width: 360px;
            height: 360px;
            background: radial-gradient(circle, rgba(0,200,150,0.2) 0%, transparent 70%);
            border-radius: 50%;
        }
        .newsletter-section::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -15%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(255,106,61,0.15) 0%, transparent 70%);
            border-radius: 50%;
        }
        .newsletter-inner {
            position: relative;
            z-index: 1;
            display: flex;
            flex-wrap: wrap;
            gap: 28px;
            align-items: center;
            justify-content: space-between;
        }
        .newsletter-text h2 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: #fff;
        }
        .newsletter-text p {
            color: rgba(255,255,255,0.75);
            font-size: 0.95rem;
            margin-bottom: 0;
            max-width: 480px;
        }
        .newsletter-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            min-width: 320px;
        }
        .newsletter-form input[type="email"] {
            flex: 1;
            min-width: 240px;
            padding: 12px 18px;
            border: 1px solid rgba(255,255,255,0.25);
            border-radius: var(--radius-sm);
            background: rgba(255,255,255,0.1);
            color: #fff;
            font-size: 0.9rem;
            outline: none;
            transition: var(--transition);
        }
        .newsletter-form input[type="email"]::placeholder {
            color: rgba(255,255,255,0.5);
        }
        .newsletter-form input[type="email"]:focus {
            border-color: var(--color-accent);
            background: rgba(255,255,255,0.15);
            box-shadow: 0 0 0 3px rgba(0,200,150,0.15);
        }
        .btn-newsletter {
            padding: 12px 24px;
            background: var(--color-highlight);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }
        .btn-newsletter:hover {
            background: #E55028;
            transform: translateY(-2px);
            box-shadow: 0 8px 16px rgba(255,106,61,0.3);
        }
        /* ===== FAQ ===== */
        .faq-section {
            padding: 64px 0;
        }
        .faq-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            margin-bottom: 12px;
            transition: var(--transition);
        }
        .faq-card:hover {
            box-shadow: var(--shadow-md);
        }
        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 18px 24px;
            text-align: left;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text);
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 12px;
            transition: var(--transition);
        }
        .faq-question:hover {
            color: var(--color-accent);
        }
        .faq-question .faq-q-icon {
            color: var(--color-accent);
            font-weight: 800;
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .faq-question .faq-toggle-icon {
            margin-left: auto;
            color: var(--color-text-muted);
            transition: var(--transition);
            font-size: 0.9rem;
        }
        .faq-question.active .faq-toggle-icon {
            transform: rotate(45deg);
            color: var(--color-accent);
        }
        .faq-answer {
            padding: 0 24px 18px 24px;
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.75;
            display: none;
        }
        .faq-answer.show {
            display: block;
        }
        /* ===== Footer ===== */
        .site-footer {
            background-color: var(--color-primary);
            color: #9A9EA6;
            padding: 48px 0 28px;
            margin-top: 0;
        }
        .site-footer .footer-brand {
            margin-bottom: 28px;
        }
        .site-footer .navbar-brand-custom {
            color: #fff;
            font-size: 1.2rem;
            margin-bottom: 10px;
            display: inline-flex;
        }
        .site-footer .navbar-brand-custom:hover {
            color: #fff;
        }
        .site-footer .brand-icon {
            background-color: rgba(255,255,255,0.1);
            color: var(--color-accent);
        }
        .footer-brand-text {
            color: #9A9EA6;
            font-size: 0.9rem;
            max-width: 480px;
            line-height: 1.7;
            margin-bottom: 0;
        }
        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            padding: 18px 0;
            border-top: 1px solid rgba(255,255,255,0.1);
            border-bottom: 1px solid rgba(255,255,255,0.1);
            margin-bottom: 18px;
        }
        .footer-links a {
            color: #9A9EA6;
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--color-accent);
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 20px;
            font-size: 0.82rem;
            color: #6E727A;
            align-items: center;
        }
        .footer-bottom a {
            color: #9A9EA6;
            transition: var(--transition);
        }
        .footer-bottom a:hover {
            color: var(--color-accent);
        }
        .footer-separator {
            margin: 0 6px;
            color: #4A4E55;
        }
        /* ===== Responsive ===== */
        @media (max-width: 1199px) {
            .command-search {
                width: 180px;
            }
            .navbar-nav-custom li a {
                padding: 8px 12px;
                font-size: 0.88rem;
            }
        }
        @media (max-width: 991px) {
            .container {
                padding-left: 24px;
                padding-right: 24px;
            }
            .navbar-nav-custom {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: var(--color-bg);
                flex-direction: column;
                align-items: flex-start;
                gap: 0;
                padding: 16px 24px;
                border-bottom: 1px solid var(--color-border);
                box-shadow: 0 12px 24px rgba(20,22,26,0.08);
            }
            .navbar-nav-custom.show {
                display: flex;
            }
            .navbar-nav-custom li {
                width: 100%;
            }
            .navbar-nav-custom li a {
                padding: 12px 8px;
                font-size: 1rem;
                width: 100%;
            }
            .navbar-nav-custom li a.active::after {
                display: none;
            }
            .navbar-toggler-custom {
                display: block;
            }
            .command-search {
                display: none;
            }
            .btn-login-link {
                display: none;
            }
            .nav-right-actions {
                gap: 8px;
            }
            .btn-nav-cta {
                padding: 8px 14px;
                font-size: 0.85rem;
            }
            .stats-panel-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .data-list-grid {
                grid-template-columns: 1fr;
            }
            .topic-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .newsletter-inner {
                flex-direction: column;
                align-items: flex-start;
            }
            .newsletter-form {
                min-width: 100%;
                width: 100%;
            }
            .newsletter-form input[type="email"] {
                min-width: 100%;
            }
            .section-block,
            .section-block-alt,
            .faq-section {
                padding: 48px 0;
            }
            .category-page-header {
                padding: 42px 0 36px;
            }
            .category-header-content h1 {
                font-size: 1.8rem;
            }
        }
        @media (max-width: 767px) {
            .container {
                padding-left: 18px;
                padding-right: 18px;
            }
            .category-page-header {
                padding: 36px 0 30px;
            }
            .category-header-content h1 {
                font-size: 1.5rem;
            }
            .category-meta-info {
                gap: 12px;
                font-size: 0.78rem;
            }
            .filter-toolbar {
                padding: 16px 18px;
                gap: 14px;
            }
            .filter-group {
                gap: 6px;
            }
            .filter-pill {
                padding: 5px 12px;
                font-size: 0.78rem;
            }
            .filter-result-count {
                font-size: 0.78rem;
            }
            .stats-panel-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .stat-card {
                padding: 18px 14px;
            }
            .stat-card .stat-number {
                font-size: 2rem;
            }
            .stat-card .stat-number .stat-unit {
                font-size: 0.95rem;
            }
            .stat-card .stat-label {
                font-size: 0.8rem;
            }
            .section-heading h2 {
                font-size: 1.4rem;
            }
            .data-list-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .data-list-card .card-body {
                padding: 16px 18px 18px;
            }
            .data-list-card .card-body h3 {
                font-size: 1rem;
            }
            .topic-card .topic-body {
                padding: 14px 16px 16px;
            }
            .related-service-item {
                padding: 14px 16px;
                gap: 12px;
            }
            .related-service-item .service-icon {
                width: 38px;
                height: 38px;
                font-size: 1rem;
            }
            .newsletter-section {
                padding: 32px 24px;
            }
            .newsletter-text h2 {
                font-size: 1.25rem;
            }
            .btn-newsletter {
                width: 100%;
            }
            .faq-question {
                padding: 14px 18px;
                font-size: 0.9rem;
            }
            .faq-answer {
                padding: 0 18px 14px 18px;
                font-size: 0.85rem;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
        }
        @media (max-width: 575px) {
            .container {
                padding-left: 14px;
                padding-right: 14px;
            }
            .category-header-content h1 {
                font-size: 1.3rem;
            }
            .category-meta-info span {
                font-size: 0.75rem;
            }
            .stats-panel-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-card {
                padding: 14px 10px;
            }
            .stat-card .stat-number {
                font-size: 1.6rem;
            }
            .stat-card .stat-number .stat-unit {
                font-size: 0.8rem;
            }
            .stat-card .stat-label {
                font-size: 0.72rem;
            }
            .filter-toolbar {
                flex-direction: column;
                align-items: flex-start;
            }
            .btn-nav-cta {
                padding: 6px 10px;
                font-size: 0.78rem;
            }
        }

/* roulang page: category3 */
:root {
            --color-primary: #14161A;
            --color-accent: #00C896;
            --color-highlight: #FF6A3D;
            --color-bg: #F8F7F4;
            --color-card: #FFFFFF;
            --color-card-alt: #FBFAF8;
            --color-text: #1E2026;
            --color-text-secondary: #5A5E66;
            --color-text-muted: #8A8E96;
            --color-border: #E8E6E1;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-sm: 0 4px 20px rgba(20, 22, 26, 0.04);
            --shadow-md: 0 12px 32px rgba(20, 22, 26, 0.10);
            --shadow-lg: 0 20px 48px rgba(20, 22, 26, 0.16);
            --font-sans: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
            --font-num: "DIN Alternate", "Roboto Mono", "Bebas Neue", sans-serif;
            --transition: all 0.25s ease;
            --header-height: 68px;
            --scroll-margin: 80px;
        }

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

        body {
            font-family: var(--font-sans);
            color: var(--color-text);
            background-color: var(--color-bg);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            scroll-padding-top: var(--scroll-margin);
            margin: 0;
        }

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

        a:hover {
            text-decoration: none;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

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

        .container {
            max-width: 1200px;
            padding-left: 32px;
            padding-right: 32px;
        }

        /* ===== 导航 Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: rgba(248, 247, 244, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--color-border);
            height: var(--header-height);
            padding: 0;
        }

        .site-header .navbar {
            padding: 0;
            height: var(--header-height);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .navbar-brand-custom {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--color-text);
            white-space: nowrap;
        }

        .navbar-brand-custom:hover {
            color: var(--color-text);
        }

        .brand-icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background-color: var(--color-primary);
            color: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .navbar-nav-custom {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .navbar-nav-custom li a {
            display: block;
            padding: 8px 16px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            border-radius: 6px;
            position: relative;
        }

        .navbar-nav-custom li a:hover {
            color: var(--color-text);
            background-color: rgba(0, 0, 0, 0.04);
        }

        .navbar-nav-custom li a.active {
            color: var(--color-accent);
            font-weight: 600;
        }

        .navbar-nav-custom li a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 16px;
            right: 16px;
            height: 2px;
            background-color: var(--color-accent);
            border-radius: 2px;
        }

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

        .command-search {
            display: flex;
            align-items: center;
            gap: 6px;
            background-color: #fff;
            border: 1px solid var(--color-border);
            border-radius: 6px;
            padding: 6px 12px;
            width: 220px;
            transition: border-color 0.25s ease, box-shadow 0.25s ease;
        }

        .command-search:hover,
        .command-search:focus-within {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(0, 200, 150, 0.10);
        }

        .command-search i {
            color: var(--color-text-muted);
            font-size: 0.85rem;
        }

        .command-search input {
            border: none;
            outline: none;
            background: transparent;
            font-size: 0.9rem;
            color: var(--color-text);
            width: 100%;
        }

        .command-search input::placeholder {
            color: var(--color-text-muted);
            font-size: 0.85rem;
        }

        .btn-login-link {
            color: var(--color-text-secondary);
            font-size: 0.9rem;
            font-weight: 500;
            white-space: nowrap;
            padding: 8px 4px;
        }

        .btn-login-link:hover {
            color: var(--color-accent);
        }

        .btn-nav-cta {
            background-color: var(--color-highlight);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            padding: 10px 18px;
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            transition: var(--transition);
        }

        .btn-nav-cta:hover {
            background-color: #E55028;
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(255, 106, 61, 0.30);
        }

        .navbar-toggler-custom {
            display: none;
            background: none;
            border: 1px solid var(--color-border);
            border-radius: 6px;
            padding: 6px 10px;
            font-size: 1.1rem;
            color: var(--color-text);
            cursor: pointer;
        }

        /* ===== 面包屑 ===== */
        .breadcrumb-section {
            padding: 28px 0 0;
        }

        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin: 0;
            padding: 0;
            list-style: none;
            flex-wrap: wrap;
        }

        .breadcrumb-custom li {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .breadcrumb-custom li+li::before {
            content: '/';
            color: var(--color-border);
            margin-right: 8px;
        }

        .breadcrumb-custom a {
            color: var(--color-text-secondary);
        }

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

        .breadcrumb-custom li.current {
            color: var(--color-text);
            font-weight: 500;
        }

        /* ===== 分类页头 ===== */
        .category-header {
            padding: 32px 0 40px;
        }

        .category-header h1 {
            font-size: 2.25rem;
            font-weight: 800;
            line-height: 1.25;
            color: var(--color-text);
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }

        .category-header .category-summary {
            font-size: 1.05rem;
            color: var(--color-text-secondary);
            line-height: 1.75;
            max-width: 760px;
            margin-bottom: 16px;
        }

        .category-meta {
            display: flex;
            align-items: center;
            gap: 20px;
            font-size: 0.85rem;
            color: var(--color-text-muted);
            flex-wrap: wrap;
        }

        .category-meta span {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .category-meta i {
            color: var(--color-accent);
            font-size: 0.8rem;
        }

        /* ===== 筛选工具条 ===== */
        .filter-toolbar {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            box-shadow: var(--shadow-sm);
            margin-bottom: 32px;
        }

        .filter-label {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-text);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .filter-label i {
            color: var(--color-accent);
        }

        .filter-group {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .filter-chip {
            padding: 6px 14px;
            font-size: 0.82rem;
            border-radius: 20px;
            border: 1px solid var(--color-border);
            background-color: var(--color-card-alt);
            color: var(--color-text-secondary);
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }

        .filter-chip:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background-color: rgba(0, 200, 150, 0.06);
        }

        .filter-chip.active {
            background-color: var(--color-accent);
            border-color: var(--color-accent);
            color: #fff;
            font-weight: 500;
        }

        .filter-sort {
            margin-left: auto;
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.82rem;
            color: var(--color-text-muted);
        }

        .filter-sort select {
            border: 1px solid var(--color-border);
            border-radius: 6px;
            padding: 6px 10px;
            font-size: 0.82rem;
            color: var(--color-text);
            background-color: #fff;
            cursor: pointer;
        }

        /* ===== 服务列表卡片 ===== */
        .service-list-section {
            margin-bottom: 56px;
        }

        .service-list-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .service-card {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .service-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: rgba(0, 200, 150, 0.25);
        }

        .service-card-img {
            aspect-ratio: 3/2;
            overflow: hidden;
            background-color: var(--color-card-alt);
        }

        .service-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.45s ease;
        }

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

        .service-card-body {
            padding: 20px 24px 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .service-card-tag {
            display: inline-block;
            font-size: 0.72rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            padding: 3px 10px;
            border-radius: 14px;
            background-color: rgba(0, 200, 150, 0.10);
            color: var(--color-accent);
            margin-bottom: 12px;
            align-self: flex-start;
        }

        .service-card-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
            line-height: 1.4;
            transition: var(--transition);
        }

        .service-card:hover .service-card-body h3 {
            color: var(--color-accent);
        }

        .service-card-body p {
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin-bottom: 16px;
            flex: 1;
        }

        .service-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.78rem;
            color: var(--color-text-muted);
            padding-top: 12px;
            border-top: 1px solid var(--color-border);
        }

        .service-card-meta .date {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .service-card-meta a {
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--color-accent);
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .service-card-meta a:hover {
            text-decoration: underline;
        }

        .service-card-meta a i {
            font-size: 0.7rem;
            transition: transform 0.25s ease;
        }

        .service-card-meta a:hover i {
            transform: translateX(3px);
        }

        /* ===== 查看更多按钮 ===== */
        .more-link-wrapper {
            text-align: center;
            margin-top: 32px;
        }

        .btn-outline-more {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            border: 1px solid var(--color-border);
            color: var(--color-text);
            border-radius: var(--radius-sm);
            padding: 10px 24px;
            font-weight: 600;
            font-size: 0.88rem;
            transition: var(--transition);
        }

        .btn-outline-more:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background-color: rgba(0, 200, 150, 0.05);
        }

        /* ===== 统计面板 ===== */
        .stats-panel-section {
            margin-bottom: 56px;
        }

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

        .stat-card {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            text-align: center;
        }

        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .stat-number {
            font-family: var(--font-num);
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .stat-label {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            font-weight: 500;
        }

        /* ===== 专题卡片 ===== */
        .topic-section {
            margin-bottom: 56px;
        }

        .section-title {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 24px;
            letter-spacing: -0.01em;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .section-title::before {
            content: '';
            width: 4px;
            height: 22px;
            background-color: var(--color-accent);
            border-radius: 2px;
            flex-shrink: 0;
        }

        .topic-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .topic-card {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .topic-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: rgba(0, 200, 150, 0.20);
        }

        .topic-card-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background-color: var(--color-primary);
            color: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            margin-bottom: 14px;
        }

        .topic-card h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .topic-card p {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin-bottom: 12px;
        }

        .topic-card a {
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--color-accent);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .topic-card a:hover {
            text-decoration: underline;
        }

        /* ===== 推荐模块 ===== */
        .recommend-section {
            margin-bottom: 56px;
        }

        .recommend-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .recommend-item {
            background-color: var(--color-card-alt);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            display: flex;
            align-items: flex-start;
            gap: 14px;
        }

        .recommend-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .recommend-item-icon {
            width: 38px;
            height: 38px;
            border-radius: 8px;
            background-color: rgba(0, 200, 150, 0.10);
            color: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.95rem;
            flex-shrink: 0;
        }

        .recommend-item-content h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 4px;
        }

        .recommend-item-content p {
            font-size: 0.82rem;
            color: var(--color-text-secondary);
            line-height: 1.55;
            margin-bottom: 0;
        }

        /* ===== 订阅表单 ===== */
        .subscribe-section {
            margin-bottom: 56px;
        }

        .subscribe-wrapper {
            background-color: var(--color-primary);
            border-radius: var(--radius-lg);
            padding: 40px 48px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            box-shadow: var(--shadow-md);
        }

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

        .subscribe-text h2 {
            font-size: 1.35rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }

        .subscribe-text p {
            font-size: 0.9rem;
            color: #C6C9CF;
            margin-bottom: 0;
            line-height: 1.6;
        }

        .subscribe-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            min-width: 280px;
        }

        .subscribe-form input {
            flex: 1;
            min-width: 200px;
            background-color: rgba(255, 255, 255, 0.10);
            border: 1px solid rgba(255, 255, 255, 0.22);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            color: #fff;
            font-size: 0.9rem;
            outline: none;
            transition: var(--transition);
        }

        .subscribe-form input::placeholder {
            color: rgba(255, 255, 255, 0.50);
        }

        .subscribe-form input:focus {
            border-color: var(--color-accent);
            background-color: rgba(255, 255, 255, 0.16);
        }

        .subscribe-form button {
            background-color: var(--color-highlight);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            padding: 12px 24px;
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            cursor: pointer;
            transition: var(--transition);
        }

        .subscribe-form button:hover {
            background-color: #E55028;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(255, 106, 61, 0.30);
        }

        /* ===== FAQ ===== */
        .faq-section {
            margin-bottom: 56px;
        }

        .accordion-custom {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .accordion-item-custom {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .accordion-item-custom:hover {
            border-color: rgba(0, 200, 150, 0.25);
        }

        .accordion-header-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            cursor: pointer;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-text);
            transition: var(--transition);
            gap: 12px;
        }

        .accordion-header-custom:hover {
            color: var(--color-accent);
        }

        .accordion-header-custom .q-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 6px;
            background-color: var(--color-primary);
            color: var(--color-accent);
            font-size: 0.8rem;
            flex-shrink: 0;
            font-weight: 700;
        }

        .accordion-header-custom .toggle-icon {
            color: var(--color-text-muted);
            font-size: 0.8rem;
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }

        .accordion-item-custom.open .accordion-header-custom .toggle-icon {
            transform: rotate(180deg);
            color: var(--color-accent);
        }

        .accordion-body-custom {
            padding: 0 20px 18px 66px;
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            display: none;
        }

        .accordion-item-custom.open .accordion-body-custom {
            display: block;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background-color: var(--color-primary);
            padding: 48px 0 24px;
            margin-top: 64px;
        }

        .footer-brand {
            margin-bottom: 32px;
        }

        .footer-brand .navbar-brand-custom {
            color: #fff;
            font-size: 1.3rem;
            margin-bottom: 12px;
            display: inline-flex;
        }

        .footer-brand .navbar-brand-custom:hover {
            color: #fff;
        }

        .footer-brand-text {
            color: #9A9EA6;
            font-size: 0.88rem;
            max-width: 480px;
            line-height: 1.7;
            margin-bottom: 0;
        }

        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            margin-bottom: 28px;
            padding-bottom: 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.10);
        }

        .footer-links a {
            color: #9A9EA6;
            font-size: 0.86rem;
            transition: var(--transition);
        }

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

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
            font-size: 0.8rem;
            color: #9A9EA6;
        }

        .footer-bottom span {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .footer-bottom a {
            color: #9A9EA6;
            transition: var(--transition);
        }

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

        .footer-separator {
            color: rgba(255, 255, 255, 0.25);
            margin: 0 2px;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 991px) {
            .navbar-nav-custom {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background-color: var(--color-bg);
                flex-direction: column;
                padding: 16px 24px;
                border-bottom: 1px solid var(--color-border);
                box-shadow: var(--shadow-md);
                gap: 4px;
                z-index: 999;
            }

            .navbar-nav-custom.mobile-open {
                display: flex;
            }

            .navbar-nav-custom li {
                width: 100%;
            }

            .navbar-nav-custom li a {
                display: block;
                padding: 12px 16px;
                font-size: 1rem;
                border-radius: 8px;
            }

            .navbar-nav-custom li a.active::after {
                display: none;
            }

            .navbar-toggler-custom {
                display: block;
            }

            .command-search {
                width: 160px;
            }

            .btn-nav-cta {
                padding: 8px 14px;
                font-size: 0.82rem;
            }

            .service-list-grid {
                grid-template-columns: 1fr;
            }

            .stats-panel-grid {
                grid-template-columns: 1fr 1fr;
            }

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

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

            .subscribe-wrapper {
                padding: 32px 28px;
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 767px) {
            .container {
                padding-left: 20px;
                padding-right: 20px;
            }

            .category-header h1 {
                font-size: 1.7rem;
            }

            .category-header .category-summary {
                font-size: 0.95rem;
            }

            .stats-panel-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }

            .stat-card {
                padding: 18px 14px;
            }

            .stat-number {
                font-size: 1.5rem;
            }

            .service-card-body {
                padding: 16px 18px 20px;
            }

            .filter-toolbar {
                padding: 12px 16px;
                gap: 12px;
            }

            .filter-sort {
                margin-left: 0;
                width: 100%;
            }

            .subscribe-wrapper {
                padding: 28px 20px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }

        @media (max-width: 575px) {
            .command-search {
                display: none;
            }

            .btn-login-link {
                display: none;
            }

            .category-header h1 {
                font-size: 1.45rem;
            }

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

            .topic-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .recommend-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .stats-panel-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }

            .accordion-body-custom {
                padding: 0 16px 16px 20px;
            }

            .accordion-header-custom {
                padding: 14px 16px;
                font-size: 0.88rem;
            }
        }

        @media (min-width: 992px) {
            .navbar-toggler-custom {
                display: none;
            }

            .navbar-nav-custom {
                display: flex !important;
            }
        }

/* roulang page: category4 */
:root {
            --color-primary: #14161A;
            --color-accent: #00C896;
            --color-highlight: #FF6A3D;
            --color-bg: #F8F7F4;
            --color-card: #FFFFFF;
            --color-card-alt: #FBFAF8;
            --color-text: #1E2026;
            --color-text-secondary: #5A5E66;
            --color-text-muted: #8A8E96;
            --color-border: #E8E6E1;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-sm: 0 4px 20px rgba(20,22,26,0.04);
            --shadow-md: 0 12px 32px rgba(20,22,26,0.10);
            --shadow-lg: 0 20px 48px rgba(20,22,26,0.16);
            --font-sans: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
            --font-num: "DIN Alternate", "Roboto Mono", "Bebas Neue", sans-serif;
            --transition: all 0.25s ease;
            --header-height: 68px;
            --scroll-margin: 80px;
        }

        * {
            box-sizing: border-box;
        }

        body {
            font-family: var(--font-sans);
            color: var(--color-text);
            background-color: var(--color-bg);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            scroll-padding-top: var(--scroll-margin);
            margin: 0;
        }

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

        a:hover {
            text-decoration: none;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

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

        .container {
            max-width: 1200px;
            padding-left: 32px;
            padding-right: 32px;
        }

        /* ===== 导航 Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: rgba(248,247,244,0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--color-border);
            height: var(--header-height);
            padding: 0;
        }

        .site-header .navbar {
            padding: 0;
            height: var(--header-height);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .navbar-brand-custom {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--color-text);
            white-space: nowrap;
        }

        .navbar-brand-custom:hover {
            color: var(--color-text);
        }

        .brand-icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background-color: var(--color-primary);
            color: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .navbar-nav-custom {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .navbar-nav-custom li a {
            display: block;
            padding: 8px 16px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            border-radius: 6px;
            position: relative;
        }

        .navbar-nav-custom li a:hover {
            color: var(--color-text);
            background-color: rgba(0,0,0,0.04);
        }

        .navbar-nav-custom li a.active {
            color: var(--color-accent);
            font-weight: 600;
        }

        .navbar-nav-custom li a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 16px;
            right: 16px;
            height: 2px;
            background-color: var(--color-accent);
            border-radius: 2px;
        }

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

        .command-search {
            display: flex;
            align-items: center;
            gap: 6px;
            background-color: #fff;
            border: 1px solid var(--color-border);
            border-radius: 6px;
            padding: 6px 12px;
            width: 220px;
            transition: border-color 0.25s ease, box-shadow 0.25s ease;
        }

        .command-search:hover,
        .command-search:focus-within {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(0,200,150,0.10);
        }

        .command-search i {
            color: var(--color-text-muted);
            font-size: 0.85rem;
        }

        .command-search input {
            border: none;
            outline: none;
            background: transparent;
            font-size: 0.9rem;
            color: var(--color-text);
            width: 100%;
        }

        .command-search input::placeholder {
            color: var(--color-text-muted);
            font-size: 0.85rem;
        }

        .btn-login-link {
            color: var(--color-text-secondary);
            font-size: 0.9rem;
            font-weight: 500;
            white-space: nowrap;
            padding: 8px 4px;
        }

        .btn-login-link:hover {
            color: var(--color-accent);
        }

        .btn-nav-cta {
            background-color: var(--color-highlight);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            padding: 10px 18px;
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            transition: var(--transition);
        }

        .btn-nav-cta:hover {
            background-color: #E55028;
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255,106,61,0.25);
        }

        .navbar-toggler-custom {
            display: none;
            background: none;
            border: none;
            font-size: 1.3rem;
            color: var(--color-text);
            cursor: pointer;
            padding: 6px 10px;
            border-radius: 6px;
        }

        /* ===== 页面头部 ===== */
        .page-header-section {
            background-color: var(--color-primary);
            padding: 56px 0 48px;
            position: relative;
            overflow: hidden;
            background-image: url('/assets/images/e8a37d54fdec963f.webp');
            background-size: cover;
            background-position: center;
        }

        .page-header-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(20,22,26,0.88) 30%, rgba(20,22,26,0.55) 100%);
            z-index: 1;
        }

        .page-header-section .container {
            position: relative;
            z-index: 2;
        }

        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.7);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

        .breadcrumb-custom a {
            color: rgba(255,255,255,0.7);
        }

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

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

        .breadcrumb-custom .current {
            color: #fff;
        }

        .page-header-section h1 {
            font-size: 2.25rem;
            font-weight: 800;
            color: #fff;
            margin: 0 0 16px;
            line-height: 1.3;
            letter-spacing: -0.5px;
        }

        .page-header-section .page-description {
            font-size: 1.05rem;
            color: rgba(255,255,255,0.85);
            max-width: 720px;
            line-height: 1.75;
            margin-bottom: 20px;
        }

        .page-meta-info {
            display: flex;
            align-items: center;
            gap: 20px;
            color: rgba(255,255,255,0.7);
            font-size: 0.9rem;
            flex-wrap: wrap;
        }

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

        .page-meta-info .meta-item i {
            color: var(--color-accent);
            font-size: 0.85rem;
        }

        /* ===== 板块通用 ===== */
        .section-block {
            padding: 64px 0;
        }

        .section-block-alt {
            padding: 64px 0;
            background-color: #fff;
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }

        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 12px;
            line-height: 1.35;
            letter-spacing: -0.5px;
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--color-text-secondary);
            margin-bottom: 32px;
            max-width: 640px;
            line-height: 1.75;
        }

        .category-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background-color: rgba(0,200,150,0.1);
            color: var(--color-accent);
            border: 1px solid rgba(0,200,150,0.25);
            border-radius: 100px;
            padding: 6px 14px;
            font-size: 0.8rem;
            font-weight: 600;
            white-space: nowrap;
            margin-bottom: 16px;
        }

        /* ===== 装备卡片列表 ===== */
        .equipment-card-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
            margin-bottom: 32px;
        }

        .equipment-card {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .equipment-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: rgba(0,200,150,0.3);
        }

        .equipment-card .card-img-wrapper {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
        }

        .equipment-card .card-img-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

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

        .equipment-card .card-img-wrapper .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background-color: var(--color-accent);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 4px;
            z-index: 2;
        }

        .equipment-card .card-body-custom {
            padding: 20px 24px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .equipment-card .card-body-custom h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 8px;
            line-height: 1.4;
            transition: var(--transition);
        }

        .equipment-card:hover .card-body-custom h3 {
            color: var(--color-accent);
        }

        .equipment-card .card-excerpt {
            font-size: 0.92rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .equipment-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-top: 1px solid var(--color-border);
            padding-top: 14px;
            font-size: 0.82rem;
            color: var(--color-text-muted);
        }

        .equipment-card .read-link {
            color: var(--color-accent);
            font-weight: 600;
            font-size: 0.85rem;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            white-space: nowrap;
        }

        .equipment-card .read-link:hover {
            text-decoration: underline;
        }

        /* ===== 筛选工具条 ===== */
        .filter-toolbar {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 18px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 32px;
            box-shadow: var(--shadow-sm);
        }

        .filter-toolbar .filter-group {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .filter-toolbar .filter-label {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            font-weight: 500;
        }

        .filter-toolbar .filter-btn {
            background: none;
            border: 1px solid var(--color-border);
            border-radius: 6px;
            padding: 7px 14px;
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }

        .filter-toolbar .filter-btn:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
        }

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

        .filter-toolbar .filter-search-mini {
            display: flex;
            align-items: center;
            gap: 6px;
            background-color: var(--color-bg);
            border: 1px solid var(--color-border);
            border-radius: 6px;
            padding: 7px 12px;
            width: 200px;
        }

        .filter-toolbar .filter-search-mini i {
            color: var(--color-text-muted);
            font-size: 0.8rem;
        }

        .filter-toolbar .filter-search-mini input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 0.85rem;
            width: 100%;
            color: var(--color-text);
        }

        /* ===== 统计面板 ===== */
        .stats-panel-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .stat-card {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .stat-card .stat-number {
            font-family: var(--font-num);
            font-size: 2.25rem;
            font-weight: 700;
            color: var(--color-accent);
            display: block;
            line-height: 1.2;
            margin-bottom: 8px;
        }

        .stat-card .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            font-weight: 500;
        }

        /* ===== 专题卡片 ===== */
        .topic-card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .topic-card {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .topic-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .topic-card .topic-img {
            aspect-ratio: 3 / 2;
            overflow: hidden;
        }

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

        .topic-card:hover .topic-img img {
            transform: scale(1.05);
        }

        .topic-card .topic-body {
            padding: 18px 20px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .topic-card .topic-body h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 8px;
            line-height: 1.4;
        }

        .topic-card .topic-body p {
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            line-height: 1.65;
            margin-bottom: 14px;
            flex: 1;
        }

        .topic-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 8px;
        }

        .topic-tags .tag-item {
            background-color: var(--color-bg);
            border: 1px solid var(--color-border);
            border-radius: 100px;
            padding: 4px 12px;
            font-size: 0.78rem;
            color: var(--color-text-secondary);
            transition: var(--transition);
        }

        .topic-tags .tag-item:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
        }

        /* ===== 推荐服务 ===== */
        .recommend-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .recommend-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .recommend-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: rgba(0,200,150,0.3);
        }

        .recommend-item .recommend-icon {
            width: 40px;
            height: 40px;
            border-radius: 8px;
            background-color: rgba(0,200,150,0.1);
            color: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .recommend-item .recommend-content h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text);
            margin: 0 0 6px;
            line-height: 1.4;
        }

        .recommend-item .recommend-content p {
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            line-height: 1.65;
            margin: 0;
        }

        /* ===== 订阅表单 ===== */
        .subscribe-section {
            padding: 64px 0;
            background-color: var(--color-primary);
            position: relative;
            overflow: hidden;
        }

        .subscribe-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/72a51e17637878f1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.15;
        }

        .subscribe-section .container {
            position: relative;
            z-index: 1;
        }

        .subscribe-form-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            flex-wrap: wrap;
        }

        .subscribe-form-wrap .subscribe-text h2 {
            color: #fff;
            font-size: 1.6rem;
            font-weight: 700;
            margin: 0 0 10px;
            line-height: 1.35;
        }

        .subscribe-form-wrap .subscribe-text p {
            color: rgba(255,255,255,0.75);
            font-size: 0.95rem;
            line-height: 1.7;
            margin: 0;
            max-width: 480px;
        }

        .subscribe-input-group {
            display: flex;
            gap: 12px;
            flex: 1;
            max-width: 480px;
            min-width: 280px;
        }

        .subscribe-input-group input {
            flex: 1;
            background-color: rgba(255,255,255,0.1);
            border: 1px solid rgba(255,255,255,0.25);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            color: #fff;
            font-size: 0.95rem;
            outline: none;
            transition: var(--transition);
        }

        .subscribe-input-group input::placeholder {
            color: rgba(255,255,255,0.55);
        }

        .subscribe-input-group input:focus {
            border-color: var(--color-accent);
            background-color: rgba(255,255,255,0.15);
        }

        .subscribe-input-group .btn-subscribe {
            background-color: var(--color-highlight);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            padding: 12px 24px;
            font-weight: 600;
            font-size: 0.95rem;
            white-space: nowrap;
            cursor: pointer;
            transition: var(--transition);
        }

        .subscribe-input-group .btn-subscribe:hover {
            background-color: #E55028;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(255,106,61,0.3);
        }

        /* ===== FAQ ===== */
        .faq-wrap {
            max-width: 780px;
            margin: 0 auto;
        }

        .faq-item {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(0,200,150,0.3);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 18px 24px;
            cursor: pointer;
            user-select: none;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-text);
            line-height: 1.5;
        }

        .faq-question .faq-q-mark {
            color: var(--color-accent);
            font-weight: 700;
            margin-right: 8px;
        }

        .faq-question .faq-icon {
            color: var(--color-text-muted);
            font-size: 0.9rem;
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 24px;
            font-size: 0.92rem;
            color: var(--color-text-secondary);
            line-height: 1.75;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background-color: var(--color-primary);
            padding: 48px 0 32px;
            color: #9A9EA6;
        }

        .site-footer .container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px 48px;
        }

        .footer-brand {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-brand .navbar-brand-custom {
            color: #fff;
        }

        .footer-brand .navbar-brand-custom:hover {
            color: #fff;
        }

        .footer-brand-text {
            font-size: 0.9rem;
            line-height: 1.7;
            color: #9A9EA6;
            margin: 0;
            max-width: 360px;
        }

        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 20px;
            align-content: flex-start;
        }

        .footer-links a {
            color: #9A9EA6;
            font-size: 0.9rem;
            transition: var(--transition);
            padding: 4px 0;
        }

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

        .footer-bottom {
            grid-column: 1 / -1;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px 16px;
            border-top: 1px solid rgba(255,255,255,0.12);
            padding-top: 24px;
            font-size: 0.85rem;
            color: #9A9EA6;
        }

        .footer-bottom a {
            color: #9A9EA6;
            transition: var(--transition);
        }

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

        .footer-separator {
            color: rgba(255,255,255,0.3);
            margin: 0 6px;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 991.98px) {
            .navbar-nav-custom {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background-color: rgba(248,247,244,0.98);
                backdrop-filter: blur(12px);
                flex-direction: column;
                align-items: flex-start;
                padding: 16px 24px;
                border-bottom: 1px solid var(--color-border);
                box-shadow: var(--shadow-md);
            }

            .navbar-nav-custom.show {
                display: flex;
            }

            .navbar-toggler-custom {
                display: flex;
                align-items: center;
                justify-content: center;
            }

            .nav-right-actions {
                margin-left: auto;
                gap: 8px;
            }

            .nav-right-actions .command-search {
                display: none;
            }

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

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

            .page-header-section h1 {
                font-size: 1.8rem;
            }
        }

        @media (max-width: 767.98px) {
            .equipment-card-grid {
                grid-template-columns: 1fr;
            }

            .recommend-list {
                grid-template-columns: 1fr;
            }

            .topic-card-grid {
                grid-template-columns: 1fr;
            }

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

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

            .subscribe-form-wrap {
                flex-direction: column;
                align-items: flex-start;
                gap: 24px;
            }

            .subscribe-input-group {
                width: 100%;
                max-width: 100%;
                flex-direction: column;
            }

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

            .page-header-section {
                padding: 40px 0 36px;
            }

            .page-header-section h1 {
                font-size: 1.6rem;
            }

            .filter-toolbar {
                flex-direction: column;
                align-items: flex-start;
            }

            .filter-toolbar .filter-search-mini {
                width: 100%;
            }
        }

        @media (max-width: 519.98px) {
            .nav-right-actions .btn-login-link {
                display: none;
            }

            .nav-right-actions .btn-nav-cta {
                font-size: 0.8rem;
                padding: 8px 12px;
            }

            .stats-panel-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

            .stat-card .stat-number {
                font-size: 1.8rem;
            }

            .site-footer .container {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer-bottom {
                font-size: 0.78rem;
            }
        }

/* roulang page: category5 */
:root {
            --color-primary: #14161A;
            --color-accent: #00C896;
            --color-highlight: #FF6A3D;
            --color-bg: #F8F7F4;
            --color-card: #FFFFFF;
            --color-card-alt: #FBFAF8;
            --color-text: #1E2026;
            --color-text-secondary: #5A5E66;
            --color-text-muted: #8A8E96;
            --color-border: #E8E6E1;
            --color-dark-bg: #14161A;
            --color-dark-text: #C6C9CF;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-sm: 0 4px 20px rgba(20,22,26,0.04);
            --shadow-md: 0 12px 32px rgba(20,22,26,0.10);
            --shadow-lg: 0 20px 48px rgba(20,22,26,0.16);
            --font-sans: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
            --font-num: "DIN Alternate", "Roboto Mono", "Bebas Neue", sans-serif;
            --transition: all 0.25s ease;
            --header-height: 68px;
            --scroll-margin: 80px;
        }

        /* ===== Reset & Base ===== */
        * {
            box-sizing: border-box;
        }

        body {
            font-family: var(--font-sans);
            color: var(--color-text);
            background-color: var(--color-bg);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            scroll-padding-top: var(--scroll-margin);
            margin: 0;
            padding: 0;
        }

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

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

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

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

        .container {
            max-width: 1200px;
            padding-left: 32px;
            padding-right: 32px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== 导航 Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: rgba(248,247,244,0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--color-border);
            height: var(--header-height);
            padding: 0;
        }

        .site-header .navbar {
            padding: 0;
            height: var(--header-height);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .navbar-brand-custom {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--color-text);
            white-space: nowrap;
        }

        .navbar-brand-custom:hover {
            color: var(--color-text);
        }

        .brand-icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background-color: var(--color-primary);
            color: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .navbar-nav-custom {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .navbar-nav-custom li a {
            display: block;
            padding: 8px 16px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            border-radius: 6px;
            position: relative;
        }

        .navbar-nav-custom li a:hover {
            color: var(--color-text);
            background-color: rgba(0,0,0,0.04);
        }

        .navbar-nav-custom li a.active {
            color: var(--color-accent);
            font-weight: 600;
        }

        .navbar-nav-custom li a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 16px;
            right: 16px;
            height: 2px;
            background-color: var(--color-accent);
            border-radius: 2px;
        }

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

        .command-search {
            display: flex;
            align-items: center;
            gap: 6px;
            background-color: #fff;
            border: 1px solid var(--color-border);
            border-radius: 6px;
            padding: 6px 12px;
            width: 220px;
            transition: border-color 0.25s ease, box-shadow 0.25s ease;
        }

        .command-search:hover,
        .command-search:focus-within {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(0,200,150,0.10);
        }

        .command-search i {
            color: var(--color-text-muted);
            font-size: 0.85rem;
        }

        .command-search input {
            border: none;
            outline: none;
            background: transparent;
            font-size: 0.9rem;
            color: var(--color-text);
            width: 100%;
        }

        .command-search input::placeholder {
            color: var(--color-text-muted);
            font-size: 0.85rem;
        }

        .btn-login-link {
            color: var(--color-text-secondary);
            font-size: 0.9rem;
            font-weight: 500;
            white-space: nowrap;
            padding: 8px 4px;
        }

        .btn-login-link:hover {
            color: var(--color-accent);
        }

        .btn-nav-cta {
            background-color: var(--color-highlight);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            padding: 10px 18px;
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            transition: all 0.25s ease;
            display: inline-block;
        }

        .btn-nav-cta:hover {
            background-color: #E55028;
            transform: translateY(-2px);
            color: #fff;
        }

        .navbar-toggler-custom {
            display: none;
            background: none;
            border: none;
            font-size: 1.4rem;
            color: var(--color-text);
            cursor: pointer;
            padding: 6px 10px;
        }

        /* ===== 移动端导航 ===== */
        @media (max-width: 992px) {
            .navbar-toggler-custom {
                display: block;
            }
            .navbar-nav-custom {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background-color: #fff;
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                padding: 16px 24px;
                border-bottom: 1px solid var(--color-border);
                box-shadow: var(--shadow-md);
                z-index: 999;
            }
            .navbar-nav-custom.show {
                display: flex;
            }
            .navbar-nav-custom li a {
                padding: 14px 8px;
                font-size: 1rem;
                border-radius: 0;
            }
            .navbar-nav-custom li a.active::after {
                display: none;
            }
            .navbar-nav-custom li a.active {
                background-color: rgba(0,200,150,0.08);
                color: var(--color-accent);
            }
            .nav-right-actions {
                gap: 8px;
            }
            .command-search {
                width: auto;
                flex-shrink: 1;
            }
            .btn-login-link {
                display: none;
            }
            .btn-nav-cta {
                padding: 8px 14px;
                font-size: 0.85rem;
            }
        }

        @media (max-width: 576px) {
            .container {
                padding-left: 20px;
                padding-right: 20px;
            }
            .command-search {
                padding: 4px 8px;
                gap: 4px;
            }
            .command-search input {
                font-size: 0.8rem;
            }
            .btn-nav-cta {
                padding: 8px 10px;
                font-size: 0.8rem;
            }
            .navbar-brand-custom {
                font-size: 1.05rem;
                gap: 6px;
            }
            .brand-icon {
                width: 30px;
                height: 30px;
                font-size: 0.9rem;
            }
        }

        /* ===== 分类页头 ===== */
        .category-page-header {
            background-color: var(--color-primary);
            padding: 56px 0 40px;
            position: relative;
            overflow: hidden;
        }

        .category-page-header::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 400px;
            height: 100%;
            background: radial-gradient(ellipse at top right, rgba(0,200,150,0.12) 0%, transparent 70%);
            pointer-events: none;
        }

        .category-page-header .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--color-dark-text);
            margin-bottom: 20px;
            position: relative;
            z-index: 1;
        }

        .category-page-header .breadcrumb-custom a {
            color: var(--color-text-muted);
            transition: color 0.25s ease;
        }

        .category-page-header .breadcrumb-custom a:hover {
            color: var(--color-accent);
        }

        .category-page-header .breadcrumb-custom .separator {
            color: var(--color-text-muted);
            font-size: 0.7rem;
        }

        .category-page-header .breadcrumb-custom .current {
            color: var(--color-accent);
            font-weight: 500;
        }

        .category-h1 {
            font-size: 2.4rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.25;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }

        .category-header-desc {
            font-size: 1rem;
            color: var(--color-dark-text);
            max-width: 680px;
            line-height: 1.7;
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
        }

        .category-header-meta {
            display: flex;
            align-items: center;
            gap: 20px;
            font-size: 0.85rem;
            color: var(--color-text-muted);
            position: relative;
            z-index: 1;
            flex-wrap: wrap;
        }

        .category-header-meta span {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .category-header-meta i {
            color: var(--color-accent);
            font-size: 0.8rem;
        }

        /* ===== 通用板块 ===== */
        .section-block {
            padding: 56px 0;
        }

        .section-block-alt {
            background-color: var(--color-card-alt);
        }

        .section-title {
            font-size: 1.65rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
            line-height: 1.35;
        }

        .section-subtitle {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            margin-bottom: 32px;
            line-height: 1.7;
        }

        /* ===== 筛选/排序工具条 ===== */
        .filter-toolbar {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            box-shadow: var(--shadow-sm);
        }

        .filter-toolbar .filter-group {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }

        .filter-toolbar .filter-label {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            font-weight: 500;
        }

        .filter-toolbar .filter-tag {
            display: inline-block;
            padding: 6px 14px;
            font-size: 0.8rem;
            border-radius: 20px;
            border: 1px solid var(--color-border);
            color: var(--color-text-secondary);
            background-color: #fff;
            cursor: pointer;
            transition: all 0.25s ease;
            white-space: nowrap;
        }

        .filter-toolbar .filter-tag:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
        }

        .filter-toolbar .filter-tag.active {
            background-color: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
        }

        .filter-toolbar .sort-select {
            border: 1px solid var(--color-border);
            border-radius: 6px;
            padding: 8px 12px;
            font-size: 0.85rem;
            color: var(--color-text);
            background-color: #fff;
            cursor: pointer;
            min-width: 140px;
            transition: border-color 0.25s ease;
        }

        .filter-toolbar .sort-select:hover {
            border-color: var(--color-accent);
        }

        /* ===== 列表卡片 ===== */
        .training-list-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }

        .training-card {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
        }

        .training-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: rgba(0,200,150,0.3);
        }

        .training-card .card-image-wrap {
            position: relative;
            aspect-ratio: 16/10;
            overflow: hidden;
            background-color: var(--color-card-alt);
        }

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

        .training-card:hover .card-image-wrap img {
            transform: scale(1.04);
        }

        .training-card .card-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background-color: rgba(20,22,26,0.85);
            color: var(--color-accent);
            font-size: 0.75rem;
            padding: 5px 12px;
            border-radius: 20px;
            font-weight: 600;
            z-index: 2;
        }

        .training-card .card-body-custom {
            padding: 22px 24px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .training-card .card-date {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            margin-bottom: 8px;
        }

        .training-card .card-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
            line-height: 1.4;
            transition: color 0.25s ease;
        }

        .training-card:hover .card-title {
            color: var(--color-accent);
        }

        .training-card .card-summary {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin-bottom: 16px;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .training-card .card-link-more {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--color-accent);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap 0.25s ease;
        }

        .training-card .card-link-more:hover {
            gap: 10px;
            color: var(--color-accent);
        }

        .see-more-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-primary);
            padding: 10px 20px;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            transition: all 0.25s ease;
        }

        .see-more-link:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background-color: rgba(0,200,150,0.04);
        }

        /* ===== 统计面板 ===== */
        .stats-panel-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .stats-panel-card {
            background-color: var(--color-primary);
            border-radius: var(--radius-md);
            padding: 26px 22px;
            text-align: center;
            border: 1px solid rgba(255,255,255,0.06);
            transition: all 0.3s ease;
        }

        .stats-panel-card:hover {
            transform: translateY(-3px);
            border-color: rgba(0,200,150,0.3);
            box-shadow: var(--shadow-md);
        }

        .stats-panel-card .stats-number {
            font-family: var(--font-num);
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1.15;
            margin-bottom: 6px;
        }

        .stats-panel-card .stats-unit {
            font-size: 0.85rem;
            color: var(--color-dark-text);
            font-weight: 500;
        }

        /* ===== 专题卡片 ===== */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .topic-card {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 28px 26px;
            transition: all 0.3s ease;
            box-shadow: var(--shadow-sm);
        }

        .topic-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: rgba(0,200,150,0.25);
        }

        .topic-card .topic-icon {
            width: 48px;
            height: 48px;
            border-radius: 10px;
            background-color: rgba(0,200,150,0.1);
            color: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin-bottom: 16px;
        }

        .topic-card .topic-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
        }

        .topic-card .topic-desc {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin-bottom: 14px;
        }

        .topic-card .topic-link {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--color-accent);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .topic-card .topic-link:hover {
            color: var(--color-accent);
            text-decoration: underline;
        }

        /* ===== 相关服务推荐 ===== */
        .service-recommend-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .service-recommend-item {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 24px 22px;
            transition: all 0.3s ease;
            box-shadow: var(--shadow-sm);
            text-align: left;
        }

        .service-recommend-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: rgba(0,200,150,0.25);
        }

        .service-recommend-item .service-icon {
            width: 40px;
            height: 40px;
            border-radius: 8px;
            background-color: rgba(255,106,61,0.1);
            color: var(--color-highlight);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.05rem;
            margin-bottom: 12px;
        }

        .service-recommend-item .service-title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 6px;
        }

        .service-recommend-item .service-desc {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }

        /* ===== 订阅表单 ===== */
        .subscribe-section {
            background-color: var(--color-primary);
            border-radius: var(--radius-lg);
            padding: 48px 44px;
            position: relative;
            overflow: hidden;
        }

        .subscribe-section::after {
            content: '';
            position: absolute;
            bottom: -50px;
            right: -30px;
            width: 250px;
            height: 250px;
            background: radial-gradient(circle, rgba(0,200,150,0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .subscribe-section .subscribe-title {
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
            position: relative;
            z-index: 1;
        }

        .subscribe-section .subscribe-desc {
            font-size: 0.95rem;
            color: var(--color-dark-text);
            margin-bottom: 24px;
            max-width: 500px;
            position: relative;
            z-index: 1;
        }

        .subscribe-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        .subscribe-form input {
            flex: 1;
            min-width: 220px;
            padding: 12px 18px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255,255,255,0.2);
            background-color: rgba(255,255,255,0.08);
            color: #fff;
            font-size: 0.95rem;
            outline: none;
            transition: border-color 0.25s ease, background-color 0.25s ease;
        }

        .subscribe-form input::placeholder {
            color: rgba(255,255,255,0.5);
        }

        .subscribe-form input:focus {
            border-color: var(--color-accent);
            background-color: rgba(255,255,255,0.14);
        }

        .subscribe-form .btn-subscribe {
            background-color: var(--color-highlight);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            padding: 12px 28px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: all 0.25s ease;
            white-space: nowrap;
        }

        .subscribe-form .btn-subscribe:hover {
            background-color: #E55028;
            transform: translateY(-2px);
        }

        /* ===== FAQ ===== */
        .accordion-custom {
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        .accordion-custom .accordion-item-custom {
            border-bottom: 1px solid var(--color-border);
            background-color: var(--color-card);
        }

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

        .accordion-custom .accordion-header-custom {
            width: 100%;
            background: none;
            border: none;
            padding: 18px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text);
            text-align: left;
            transition: background-color 0.25s ease;
        }

        .accordion-custom .accordion-header-custom:hover {
            background-color: var(--color-card-alt);
        }

        .accordion-custom .accordion-header-custom .faq-q-mark {
            color: var(--color-accent);
            font-weight: 700;
            margin-right: 12px;
            font-size: 1.1rem;
        }

        .accordion-custom .accordion-header-custom .faq-icon {
            color: var(--color-text-muted);
            font-size: 0.85rem;
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }

        .accordion-custom .accordion-item-custom.open .faq-icon {
            transform: rotate(45deg);
            color: var(--color-accent);
        }

        .accordion-custom .accordion-body-custom {
            display: none;
            padding: 0 24px 20px;
            font-size: 0.92rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        .accordion-custom .accordion-item-custom.open .accordion-body-custom {
            display: block;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background-color: var(--color-primary);
            color: var(--color-dark-text);
            padding: 48px 0 36px;
            border-top: 1px solid rgba(255,255,255,0.06);
        }

        .site-footer .footer-brand {
            margin-bottom: 24px;
        }

        .site-footer .navbar-brand-custom {
            color: #fff;
            margin-bottom: 12px;
            display: inline-flex;
        }

        .site-footer .footer-brand-text {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            max-width: 520px;
            line-height: 1.7;
            margin-bottom: 0;
        }

        .site-footer .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 24px;
        }

        .site-footer .footer-links a {
            color: var(--color-dark-text);
            font-size: 0.9rem;
            transition: color 0.25s ease;
        }

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

        .site-footer .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px 20px;
            font-size: 0.82rem;
            color: var(--color-text-muted);
            border-top: 1px solid rgba(255,255,255,0.06);
            padding-top: 20px;
        }

        .site-footer .footer-bottom a {
            color: var(--color-text-muted);
            transition: color 0.25s ease;
        }

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

        .site-footer .footer-separator {
            margin: 0 4px;
            color: rgba(255,255,255,0.3);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 992px) {
            .category-h1 {
                font-size: 2rem;
            }
            .training-list-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .stats-panel-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .topic-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .service-recommend-list {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .section-block {
                padding: 44px 0;
            }
        }

        @media (max-width: 768px) {
            .filter-toolbar {
                padding: 16px;
                flex-direction: column;
                align-items: stretch;
            }
            .filter-toolbar .filter-group {
                gap: 8px;
            }
            .subscribe-section {
                padding: 32px 24px;
            }
            .subscribe-form input {
                min-width: 100%;
            }
            .subscribe-form .btn-subscribe {
                width: 100%;
            }
        }

        @media (max-width: 576px) {
            .category-h1 {
                font-size: 1.65rem;
            }
            .category-page-header {
                padding: 36px 0 28px;
            }
            .stats-panel-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stats-panel-card .stats-number {
                font-size: 1.8rem;
            }
            .stats-panel-card {
                padding: 18px 14px;
            }
            .service-recommend-list {
                grid-template-columns: 1fr;
            }
            .section-block {
                padding: 36px 0;
            }
            .training-card .card-body-custom {
                padding: 16px 18px 20px;
            }
            .topic-card {
                padding: 20px 18px;
            }
            .filter-toolbar .filter-tag {
                font-size: 0.75rem;
                padding: 5px 10px;
            }
        }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}