/* roulang page: index */
:root {
            --primary: #0B1A2E;
            --secondary: #FF6B35;
            --accent-blue: #1B6B9C;
            --text-white: #ffffff;
            --text-body: rgba(255,255,255,0.85);
            --text-muted: rgba(255,255,255,0.55);
            --glass-bg: rgba(11,26,46,0.5);
            --glass-border: rgba(255,255,255,0.15);
            --card-shadow: 0 4px 15px rgba(0,0,0,0.3);
            --card-shadow-hover: 0 8px 25px rgba(0,0,0,0.5);
            --font-primary: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-pill: 16px;
            --transition-base: 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: var(--font-primary);
            background: var(--primary);
            color: var(--text-body);
            line-height: 1.6;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition-base);
        }
        a:hover {
            color: var(--secondary);
        }
        img {
            max-width: 100%;
            height: auto;
        }
        .container {
            max-width: 1320px;
            padding: 0 24px;
        }
        .glass-card {
            background: var(--glass-bg);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            box-shadow: var(--card-shadow);
            transition: var(--transition-base);
        }
        .glass-card:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-4px);
        }
        .btn-primary-custom {
            background: linear-gradient(135deg, #FF6B35, #E85D2C);
            color: white;
            border: none;
            border-radius: var(--radius-btn);
            padding: 12px 32px;
            font-weight: 600;
            transition: var(--transition-base);
            box-shadow: 0 0 20px rgba(255,107,53,0.3);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-primary-custom:hover {
            background: linear-gradient(135deg, #FF7A4A, #F06A35);
            box-shadow: 0 0 30px rgba(255,107,53,0.5);
            transform: scale(1.02);
            color: white;
        }
        .btn-primary-custom:active {
            transform: scale(1.0);
            box-shadow: inset 0 2px 4px rgba(0,0,0,0.3);
        }
        .btn-outline-light-custom {
            background: transparent;
            border: 2px solid rgba(255,255,255,0.4);
            color: white;
            border-radius: var(--radius-btn);
            padding: 10px 28px;
            font-weight: 500;
            transition: var(--transition-base);
        }
        .btn-outline-light-custom:hover {
            background: rgba(255,255,255,0.1);
            border-color: white;
            color: white;
        }
        .badge-custom {
            background: var(--secondary);
            color: white;
            border-radius: var(--radius-pill);
            padding: 4px 14px;
            font-size: 0.75rem;
            font-weight: 500;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 12px;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--text-muted);
            margin-bottom: 40px;
        }
        .text-gradient {
            background: linear-gradient(135deg, #FF6B35, #FFB347);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        /* ===== 双层导航 ===== */
        .navbar-top {
            background: var(--primary);
            border-bottom: 1px solid rgba(255,255,255,0.05);
            padding: 0;
            min-height: 64px;
        }
        .navbar-top .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: 1px;
        }
        .navbar-top .navbar-brand i {
            color: var(--secondary);
            font-size: 1.8rem;
        }
        .navbar-top .navbar-brand span {
            background: linear-gradient(135deg, #FF6B35, #FFB347);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .nav-search-toggle {
            color: var(--text-muted);
            cursor: pointer;
            font-size: 1.2rem;
            transition: var(--transition-base);
        }
        .nav-search-toggle:hover {
            color: var(--secondary);
        }
        .nav-cta-btn {
            background: linear-gradient(135deg, #FF6B35, #E85D2C);
            color: white;
            border-radius: var(--radius-pill);
            padding: 8px 22px;
            font-size: 0.9rem;
            font-weight: 600;
            border: none;
            transition: var(--transition-base);
        }
        .nav-cta-btn:hover {
            box-shadow: 0 0 20px rgba(255,107,53,0.4);
            color: white;
        }
        .navbar-channel {
            background: #091A2C;
            min-height: 48px;
            border-bottom: 1px solid rgba(255,255,255,0.05);
        }
        .navbar-channel .nav {
            display: flex;
            flex-wrap: nowrap;
            overflow-x: auto;
            gap: 6px;
            padding: 8px 0;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .navbar-channel .nav::-webkit-scrollbar {
            display: none;
        }
        .navbar-channel .nav-link {
            white-space: nowrap;
            border-radius: var(--radius-pill);
            padding: 6px 20px;
            font-size: 0.9rem;
            color: var(--text-muted);
            font-weight: 500;
            transition: var(--transition-base);
            border: 1px solid transparent;
        }
        .navbar-channel .nav-link:hover {
            color: var(--text-white);
            background: rgba(255,255,255,0.08);
        }
        .navbar-channel .nav-link.active {
            background: var(--secondary);
            color: white;
            border-color: var(--secondary);
        }
        @media (max-width: 768px) {
            .navbar-channel .nav {
                flex-wrap: nowrap;
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
            }
            .navbar-channel .nav-link {
                flex-shrink: 0;
            }
        }
        /* ===== Hero ===== */
        .hero-section {
            min-height: 80vh;
            display: flex;
            align-items: center;
            position: relative;
            background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(255,107,53,0.3) 0%, rgba(11,26,46,0.85) 70%);
            z-index: 1;
        }
        .hero-section .container {
            position: relative;
            z-index: 2;
        }
        .hero-title {
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 800;
            color: var(--text-white);
            line-height: 1.2;
            margin-bottom: 20px;
        }
        .hero-subtitle {
            font-size: 1.2rem;
            color: var(--text-body);
            margin-bottom: 32px;
            max-width: 600px;
        }
        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .hero-deco {
            position: absolute;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255,107,53,0.15), transparent);
            top: -80px;
            right: -80px;
            z-index: 0;
        }
        .hero-deco-2 {
            position: absolute;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(27,107,156,0.2), transparent);
            bottom: 40px;
            left: 10%;
            z-index: 0;
        }
        /* ===== 卖点三连 ===== */
        .features-section {
            padding: 80px 0;
            background: var(--primary);
        }
        .feature-card {
            text-align: center;
            padding: 36px 28px;
            height: 100%;
            position: relative;
            overflow: hidden;
        }
        .feature-card::before {
            content: '';
            position: absolute;
            width: 120px;
            height: 120px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255,107,53,0.08), transparent);
            top: -40px;
            right: -40px;
        }
        .feature-icon {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: linear-gradient(135deg, #FF6B35, #1B6B9C);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 1.8rem;
            color: white;
        }
        .feature-card h3 {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--text-white);
            margin-bottom: 12px;
        }
        .feature-card p {
            font-size: 0.95rem;
            color: var(--text-muted);
            margin-bottom: 20px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .feature-card .feature-link {
            color: var(--secondary);
            font-weight: 500;
            font-size: 0.9rem;
            transition: var(--transition-base);
        }
        .feature-card .feature-link i {
            transition: var(--transition-base);
        }
        .feature-card .feature-link:hover i {
            transform: translateX(4px);
        }
        /* ===== 场景演示 ===== */
        .showcase-section {
            padding: 80px 0;
            background: #091A2C;
        }
        .showcase-media {
            position: relative;
            border-radius: var(--radius-card);
            overflow: hidden;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            min-height: 400px;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 1px solid rgba(255,255,255,0.08);
        }
        .showcase-media .play-btn {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background: rgba(255,107,53,0.8);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            color: white;
            transition: var(--transition-base);
            cursor: pointer;
        }
        .showcase-media .play-btn:hover {
            background: var(--secondary);
            transform: scale(1.05);
        }
        .showcase-text {
            padding: 20px 0;
        }
        .showcase-text h3 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 16px;
        }
        .showcase-text p {
            color: var(--text-body);
            margin-bottom: 12px;
        }
        .showcase-text .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 16px;
        }
        .showcase-text .tag-list span {
            background: rgba(255,107,53,0.15);
            color: var(--secondary);
            padding: 4px 16px;
            border-radius: var(--radius-pill);
            font-size: 0.85rem;
            border: 1px solid rgba(255,107,53,0.2);
        }
        /* ===== 社会认同 ===== */
        .social-proof-section {
            padding: 80px 0;
            background: var(--primary);
        }
        .client-logos {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            justify-content: center;
            align-items: center;
            padding: 32px 0;
            margin-bottom: 48px;
            border-bottom: 1px solid rgba(255,255,255,0.06);
        }
        .client-logos .logo-item {
            font-size: 1.2rem;
            font-weight: 600;
            color: rgba(255,255,255,0.3);
            letter-spacing: 2px;
            opacity: 0.6;
            transition: var(--transition-base);
        }
        .client-logos .logo-item:hover {
            opacity: 1;
            color: var(--text-muted);
        }
        .testimonial-card {
            padding: 28px;
            height: 100%;
        }
        .testimonial-card .stars {
            color: #FFB347;
            font-size: 0.9rem;
            margin-bottom: 12px;
        }
        .testimonial-card p {
            font-style: italic;
            color: var(--text-body);
            margin-bottom: 20px;
        }
        .testimonial-card .author {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .testimonial-card .author img {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            object-fit: cover;
            border: 2px solid var(--secondary);
        }
        .testimonial-card .author .name {
            font-weight: 600;
            color: var(--text-white);
        }
        .testimonial-card .author .title {
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        /* ===== 资讯列表 ===== */
        .news-section {
            padding: 80px 0;
            background: #091A2C;
        }
        .news-card {
            overflow: hidden;
            height: 100%;
        }
        .news-card .thumb {
            aspect-ratio: 4/3;
            overflow: hidden;
            border-radius: var(--radius-card) var(--radius-card) 0 0;
        }
        .news-card .thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition-base);
        }
        .news-card:hover .thumb img {
            transform: scale(1.05);
        }
        .news-card .card-body {
            padding: 20px;
        }
        .news-card .card-body .meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 10px;
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .news-card .card-body .meta .badge {
            background: var(--secondary);
            color: white;
            border-radius: var(--radius-pill);
            padding: 2px 12px;
            font-weight: 400;
        }
        .news-card .card-body h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-white);
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card .card-body p {
            font-size: 0.875rem;
            color: var(--text-muted);
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card .card-body .read-link {
            color: var(--secondary);
            font-size: 0.85rem;
            font-weight: 500;
            margin-top: 12px;
            display: inline-block;
        }
        .empty-news {
            text-align: center;
            padding: 60px 20px;
            color: var(--text-muted);
            font-size: 1rem;
        }
        /* ===== FAQ ===== */
        .faq-section {
            padding: 80px 0;
            background: var(--primary);
        }
        .accordion-item {
            background: var(--glass-bg);
            backdrop-filter: blur(8px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card) !important;
            margin-bottom: 12px;
            overflow: hidden;
        }
        .accordion-button {
            background: transparent;
            color: var(--text-white);
            font-weight: 600;
            padding: 18px 24px;
            font-size: 1rem;
            border: none;
            box-shadow: none;
        }
        .accordion-button:not(.collapsed) {
            background: rgba(255,107,53,0.08);
            color: var(--secondary);
            box-shadow: none;
        }
        .accordion-button::after {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%23FF6B35' viewBox='0 0 16 16'%3E%3Cpath d='M8 4a.5.5 0 0 1 .5.5v3h3a.5.5 0 0 1 0 1h-3v3a.5.5 0 0 1-1 0v-3h-3a.5.5 0 0 1 0-1h3v-3A.5.5 0 0 1 8 4z'/%3E%3C/svg%3E");
            transition: var(--transition-base);
        }
        .accordion-button:not(.collapsed)::after {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%23FF6B35' viewBox='0 0 16 16'%3E%3Cpath d='M4 8a.5.5 0 0 1 .5-.5h7a.5.5 0 0 1 0 1h-7A.5.5 0 0 1 4 8z'/%3E%3C/svg%3E");
        }
        .accordion-body {
            color: var(--text-body);
            padding: 0 24px 20px;
            font-size: 0.95rem;
        }
        /* ===== CTA条 ===== */
        .cta-strip {
            padding: 60px 0;
            background: linear-gradient(135deg, #0B1A2E 0%, #1B3A5C 100%);
            border-top: 1px solid rgba(255,255,255,0.06);
            border-bottom: 1px solid rgba(255,255,255,0.06);
        }
        .cta-strip h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 12px;
        }
        .cta-strip p {
            color: var(--text-body);
            margin-bottom: 24px;
            font-size: 1.1rem;
        }
        /* ===== 底部固定转化条 ===== */
        .bottom-cta {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 1020;
            background: linear-gradient(135deg, rgba(11,26,46,0.95), rgba(27,59,92,0.9));
            backdrop-filter: blur(12px);
            border-top: 1px solid rgba(255,255,255,0.08);
            padding: 14px 0;
            display: none;
        }
        .bottom-cta.show {
            display: block;
        }
        .bottom-cta .cta-text {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text-white);
        }
        .bottom-cta .cta-text span {
            color: var(--secondary);
        }
        @media (max-width: 576px) {
            .bottom-cta .cta-text {
                font-size: 0.95rem;
            }
            .bottom-cta .btn {
                padding: 8px 18px;
                font-size: 0.85rem;
            }
        }
        /* ===== 页脚 ===== */
        .footer {
            background: #050E1A;
            padding: 60px 0 30px;
            border-top: 1px solid rgba(255,255,255,0.05);
        }
        .footer h5 {
            color: var(--text-white);
            font-weight: 600;
            margin-bottom: 20px;
            font-size: 1rem;
        }
        .footer ul {
            list-style: none;
            padding: 0;
        }
        .footer ul li {
            margin-bottom: 10px;
        }
        .footer ul li a {
            color: var(--text-muted);
            font-size: 0.9rem;
            transition: var(--transition-base);
        }
        .footer ul li a:hover {
            color: var(--secondary);
        }
        .footer .copyright {
            border-top: 1px solid rgba(255,255,255,0.06);
            padding-top: 24px;
            margin-top: 40px;
            text-align: center;
            color: var(--text-muted);
            font-size: 0.85rem;
        }
        /* ===== 响应式 ===== */
        @media (max-width: 992px) {
            .hero-title {
                font-size: 2.2rem;
            }
            .section-title {
                font-size: 1.6rem;
            }
        }
        @media (max-width: 768px) {
            .hero-section {
                min-height: 70vh;
            }
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .features-section, .showcase-section, .social-proof-section, .news-section, .faq-section, .cta-strip {
                padding: 50px 0;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .showcase-media {
                min-height: 280px;
            }
            .footer {
                padding: 40px 0 20px;
            }
            .footer .col-md-3 {
                margin-bottom: 28px;
            }
        }
        @media (max-width: 576px) {
            .hero-title {
                font-size: 1.5rem;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-actions .btn {
                width: 100%;
                justify-content: center;
            }
            .navbar-top .navbar-brand {
                font-size: 1.2rem;
            }
        }
        /* ===== 额外微调 ===== */
        .mt-neg {
            margin-top: -2px;
        }
        .scrollable-tabs {
            -webkit-overflow-scrolling: touch;
        }
        .bg-pattern {
            background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.02'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
        }

/* roulang page: article */
:root {
            --primary: #0B1A2E;
            --secondary: #FF6B35;
            --accent-blue: #1B6B9C;
            --bg-dark: #0B1A2E;
            --bg-card: rgba(255, 255, 255, 0.05);
            --border-glass: rgba(255, 255, 255, 0.15);
            --text-white: #ffffff;
            --text-body: rgba(255, 255, 255, 0.85);
            --text-muted: rgba(255, 255, 255, 0.55);
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-pill: 16px;
            --shadow-card: 0 4px 15px rgba(0, 0, 0, 0.3);
            --shadow-hover: 0 8px 25px rgba(0, 0, 0, 0.5);
            --font-sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Inter', sans-serif;
            --transition-base: 0.3s ease;
        }

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

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

        a {
            color: var(--text-body);
            text-decoration: none;
            transition: color var(--transition-base);
        }
        a:hover {
            color: var(--secondary);
        }

        img {
            max-width: 100%;
            height: auto;
            border-radius: var(--radius-card);
        }

        button,
        input,
        textarea {
            font-family: inherit;
        }

        .container {
            max-width: 1320px;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ===== 导航 ===== */
        header {
            position: sticky;
            top: 0;
            z-index: 1030;
            background: var(--primary);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .navbar-top {
            background: var(--primary);
            padding: 0;
            min-height: 64px;
        }
        .navbar-top .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: nowrap;
            min-height: 64px;
        }
        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-white) !important;
            letter-spacing: 0.5px;
        }
        .navbar-brand i {
            color: var(--secondary);
            font-size: 1.4rem;
        }
        .navbar-brand span {
            color: var(--text-white);
        }
        .nav-search-toggle {
            color: var(--text-body);
            font-size: 1.2rem;
            cursor: pointer;
            transition: color var(--transition-base);
        }
        .nav-search-toggle:hover {
            color: var(--secondary);
        }
        .nav-cta-btn {
            background: linear-gradient(135deg, var(--secondary), #E85D2C);
            color: var(--text-white) !important;
            padding: 8px 24px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.95rem;
            box-shadow: 0 0 20px rgba(255, 107, 53, 0.4);
            transition: all var(--transition-base);
            border: none;
        }
        .nav-cta-btn:hover {
            box-shadow: 0 0 30px rgba(255, 107, 53, 0.7);
            transform: scale(1.02);
            color: var(--text-white) !important;
        }
        .navbar-toggler:focus {
            box-shadow: none;
        }

        .navbar-channel {
            background: #091A2C;
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            min-height: 48px;
        }
        .navbar-channel .container {
            display: flex;
            align-items: center;
        }
        .scrollable-tabs {
            display: flex;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            gap: 6px;
            padding: 6px 0;
            width: 100%;
        }
        .scrollable-tabs::-webkit-scrollbar {
            display: none;
        }
        .scrollable-tabs .nav-link {
            white-space: nowrap;
            padding: 6px 20px;
            border-radius: var(--radius-pill);
            color: var(--text-body);
            font-size: 0.9rem;
            font-weight: 500;
            transition: all var(--transition-base);
            border: 1px solid transparent;
        }
        .scrollable-tabs .nav-link:hover {
            background: rgba(255, 255, 255, 0.08);
            color: var(--text-white);
        }
        .scrollable-tabs .nav-link.active {
            background: var(--secondary);
            color: var(--text-white) !important;
            border-color: var(--secondary);
            box-shadow: 0 0 15px rgba(255, 107, 53, 0.3);
        }

        /* ===== 文章主体 ===== */
        .article-wrapper {
            padding: 40px 0 60px;
            background: var(--bg-dark);
        }

        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 20px;
            flex-wrap: wrap;
            background: transparent;
            padding: 0;
        }
        .breadcrumb-custom a {
            color: var(--text-muted);
            transition: color var(--transition-base);
        }
        .breadcrumb-custom a:hover {
            color: var(--secondary);
        }
        .breadcrumb-custom .sep {
            color: var(--text-muted);
            font-size: 0.75rem;
        }
        .breadcrumb-custom .current {
            color: var(--text-body);
            max-width: 360px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .article-title {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--text-white);
            line-height: 1.3;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 18px;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 30px;
            padding-bottom: 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .article-meta i {
            margin-right: 6px;
            font-size: 0.8rem;
            color: var(--secondary);
        }
        .article-meta .meta-item {
            display: flex;
            align-items: center;
        }
        .article-meta .category-tag {
            background: rgba(255, 107, 53, 0.15);
            color: var(--secondary);
            padding: 2px 14px;
            border-radius: var(--radius-pill);
            font-size: 0.8rem;
            font-weight: 500;
        }

        .article-body {
            max-width: 760px;
            margin: 0 auto;
        }

        .article-content {
            font-size: 1rem;
            line-height: 1.8;
            color: var(--text-body);
            letter-spacing: 0.5px;
        }
        .article-content p {
            margin-bottom: 1.5rem;
        }
        .article-content img {
            width: 100%;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            margin: 1.5rem 0;
        }
        .article-content blockquote {
            border-left: 4px solid var(--secondary);
            background: rgba(255, 107, 53, 0.06);
            padding: 16px 24px;
            margin: 1.5rem 0;
            border-radius: 0 var(--radius-btn) var(--radius-btn) 0;
            color: var(--text-body);
            font-style: italic;
        }
        .article-content ul,
        .article-content ol {
            padding-left: 1.5rem;
            margin-bottom: 1.5rem;
        }
        .article-content li {
            margin-bottom: 0.5rem;
        }
        .article-content h2,
        .article-content h3 {
            color: var(--text-white);
            margin-top: 2rem;
            margin-bottom: 1rem;
        }
        .article-content a {
            color: var(--secondary);
            text-decoration: underline;
        }
        .article-content a:hover {
            color: #ff8a5c;
        }

        .article-not-found {
            text-align: center;
            padding: 80px 20px;
        }
        .article-not-found i {
            font-size: 3rem;
            color: var(--text-muted);
            margin-bottom: 20px;
        }
        .article-not-found h3 {
            color: var(--text-white);
            font-size: 1.5rem;
            margin-bottom: 12px;
        }
        .article-not-found p {
            color: var(--text-muted);
            margin-bottom: 24px;
        }
        .article-not-found .btn-back-home {
            background: linear-gradient(135deg, var(--secondary), #E85D2C);
            color: var(--text-white);
            padding: 10px 32px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            box-shadow: 0 0 20px rgba(255, 107, 53, 0.3);
            transition: all var(--transition-base);
            border: none;
        }
        .article-not-found .btn-back-home:hover {
            box-shadow: 0 0 30px rgba(255, 107, 53, 0.6);
            transform: scale(1.02);
            color: var(--text-white);
        }

        /* ===== 相关推荐 ===== */
        .related-section {
            margin-top: 50px;
            padding-top: 40px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .related-section h3 {
            color: var(--text-white);
            font-size: 1.4rem;
            font-weight: 600;
            margin-bottom: 24px;
        }
        .related-card {
            background: rgba(255, 255, 255, 0.04);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            padding: 0;
            overflow: hidden;
            transition: all var(--transition-base);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(255, 107, 53, 0.3);
        }
        .related-card .card-img {
            width: 100%;
            height: 170px;
            object-fit: cover;
            border-radius: 0;
        }
        .related-card .card-body {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .related-card .card-title {
            color: var(--text-white);
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 8px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card .card-desc {
            color: var(--text-muted);
            font-size: 0.85rem;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 0;
            flex: 1;
        }
        .related-card .card-link {
            color: var(--secondary);
            font-size: 0.85rem;
            font-weight: 500;
            margin-top: 12px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap var(--transition-base);
        }
        .related-card .card-link:hover {
            gap: 10px;
            color: #ff8a5c;
        }

        /* ===== 返回按钮 ===== */
        .back-to-list {
            margin-top: 40px;
            text-align: center;
        }
        .back-to-list .btn-back {
            background: transparent;
            border: 1px solid var(--border-glass);
            color: var(--text-body);
            padding: 10px 32px;
            border-radius: var(--radius-btn);
            font-size: 0.95rem;
            font-weight: 500;
            transition: all var(--transition-base);
        }
        .back-to-list .btn-back:hover {
            border-color: var(--secondary);
            color: var(--secondary);
            background: rgba(255, 107, 53, 0.06);
        }
        .back-to-list .btn-back i {
            margin-right: 8px;
        }

        /* ===== 底部固定转化条 ===== */
        .sticky-cta {
            background: linear-gradient(135deg, rgba(11, 26, 46, 0.95), rgba(27, 107, 156, 0.3));
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 18px 0;
            position: relative;
            z-index: 1020;
        }
        .sticky-cta .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
        }
        .sticky-cta .cta-text {
            color: var(--text-white);
            font-size: 1.1rem;
            font-weight: 600;
        }
        .sticky-cta .cta-text i {
            color: var(--secondary);
            margin-right: 8px;
        }
        .sticky-cta .cta-btn {
            background: linear-gradient(135deg, var(--secondary), #E85D2C);
            color: var(--text-white);
            padding: 10px 32px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.95rem;
            box-shadow: 0 0 20px rgba(255, 107, 53, 0.4);
            transition: all var(--transition-base);
            border: none;
            white-space: nowrap;
        }
        .sticky-cta .cta-btn:hover {
            box-shadow: 0 0 30px rgba(255, 107, 53, 0.7);
            transform: scale(1.02);
            color: var(--text-white);
        }

        /* ===== 页脚 ===== */
        .footer {
            background: #081624;
            padding: 50px 0 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.04);
        }
        .footer h5 {
            color: var(--text-white);
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 18px;
            letter-spacing: 0.3px;
        }
        .footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer ul li {
            margin-bottom: 8px;
        }
        .footer ul li a {
            color: var(--text-muted);
            font-size: 0.9rem;
            transition: color var(--transition-base);
        }
        .footer ul li a:hover {
            color: var(--secondary);
            padding-left: 4px;
        }
        .footer .copyright {
            margin-top: 36px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            text-align: center;
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 991.98px) {
            .article-title {
                font-size: 1.8rem;
            }
            .article-meta {
                gap: 12px;
                font-size: 0.8rem;
            }
            .related-card .card-img {
                height: 140px;
            }
        }

        @media (max-width: 767.98px) {
            .article-wrapper {
                padding: 24px 0 40px;
            }
            .article-title {
                font-size: 1.5rem;
            }
            .article-meta {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .article-content {
                font-size: 0.95rem;
            }
            .breadcrumb-custom .current {
                max-width: 200px;
            }
            .sticky-cta .cta-text {
                font-size: 0.95rem;
            }
            .sticky-cta .cta-btn {
                padding: 8px 20px;
                font-size: 0.85rem;
            }
            .navbar-top .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .footer {
                padding: 36px 0 20px;
            }
            .footer h5 {
                margin-bottom: 14px;
            }
            .related-card .card-img {
                height: 120px;
            }
        }

        @media (max-width: 575.98px) {
            .article-title {
                font-size: 1.3rem;
            }
            .article-content {
                font-size: 0.9rem;
            }
            .breadcrumb-custom {
                font-size: 0.78rem;
            }
            .breadcrumb-custom .current {
                max-width: 140px;
            }
            .sticky-cta .container {
                flex-direction: column;
                text-align: center;
            }
            .related-card .card-img {
                height: 100px;
            }
        }

        /* ===== 其他辅助 ===== */
        .text-accent {
            color: var(--secondary);
        }
        .bg-glass {
            background: var(--bg-card);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--border-glass);
        }
        .shadow-glow {
            box-shadow: 0 0 20px rgba(255, 107, 53, 0.3);
        }

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --primary: #0B1A2E;
            --primary-light: #122a47;
            --secondary: #FF6B35;
            --secondary-dark: #E85D2C;
            --accent-blue: #1B6B9C;
            --text-white: #ffffff;
            --text-light: rgba(255, 255, 255, 0.85);
            --text-muted: rgba(255, 255, 255, 0.55);
            --glass-bg: rgba(11, 26, 46, 0.6);
            --glass-border: rgba(255, 255, 255, 0.15);
            --card-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
            --card-shadow-hover: 0 8px 25px rgba(0, 0, 0, 0.5);
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-pill: 50rem;
            --radius-tag: 16px;
            --font-cn: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-en: 'Inter', 'Segoe UI', sans-serif;
            --transition: 0.3s ease;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-cn);
            background: var(--primary);
            color: var(--text-light);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }
        a {
            color: var(--text-light);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea {
            font-family: var(--font-cn);
            outline: none;
        }
        ::selection {
            background: var(--secondary);
            color: #fff;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            color: var(--text-white);
            letter-spacing: 0.02em;
        }
        h1 {
            font-size: clamp(2rem, 4vw, 2.8rem);
        }
        h2 {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
        }
        h3 {
            font-size: clamp(1.2rem, 2vw, 1.5rem);
        }
        p {
            color: var(--text-light);
            font-size: 1rem;
        }

        /* ===== Container ===== */
        .container {
            max-width: 1320px;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ===== Glass Card ===== */
        .glass-card {
            background: var(--glass-bg);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            box-shadow: var(--card-shadow);
            transition: var(--transition);
            padding: 28px 24px;
        }
        .glass-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--card-shadow-hover);
            border-color: rgba(255, 107, 53, 0.3);
        }

        /* ===== Buttons ===== */
        .btn-primary-custom {
            background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
            color: #fff !important;
            border: none;
            border-radius: var(--radius-btn);
            padding: 12px 32px;
            font-weight: 600;
            font-size: 1rem;
            box-shadow: 0 0 20px rgba(255, 107, 53, 0.5);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            cursor: pointer;
        }
        .btn-primary-custom:hover {
            transform: scale(1.02);
            box-shadow: 0 0 30px rgba(255, 107, 53, 0.7);
            filter: brightness(1.1);
        }
        .btn-primary-custom:active {
            transform: scale(1.0);
            box-shadow: inset 0 2px 6px rgba(0, 0, 0, 0.3);
        }
        .btn-outline-custom {
            background: transparent;
            color: var(--text-white) !important;
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-btn);
            padding: 10px 28px;
            font-weight: 500;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-outline-custom:hover {
            background: rgba(255, 107, 53, 0.15);
            border-color: var(--secondary);
            color: var(--secondary) !important;
        }

        /* ===== Badge / Tag ===== */
        .badge-tag {
            display: inline-block;
            padding: 4px 16px;
            border-radius: var(--radius-tag);
            background: var(--secondary);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.03em;
        }
        .badge-tag-outline {
            display: inline-block;
            padding: 3px 14px;
            border-radius: var(--radius-tag);
            background: transparent;
            border: 1px solid var(--glass-border);
            color: var(--text-muted);
            font-size: 0.75rem;
            font-weight: 500;
        }

        /* ===== Section Spacing ===== */
        section {
            padding: 80px 0;
            position: relative;
        }
        @media (max-width: 768px) {
            section {
                padding: 50px 0;
            }
        }
        .section-title {
            text-align: center;
            margin-bottom: 50px;
        }
        .section-title h2 {
            margin-bottom: 14px;
            position: relative;
            display: inline-block;
        }
        .section-title h2::after {
            content: '';
            display: block;
            width: 60px;
            height: 3px;
            background: var(--secondary);
            margin: 12px auto 0;
            border-radius: 4px;
        }
        .section-title p {
            max-width: 720px;
            margin: 0 auto;
            color: var(--text-muted);
            font-size: 1.05rem;
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb-area {
            padding: 18px 0 8px;
            background: transparent;
        }
        .breadcrumb-area .breadcrumb {
            background: transparent;
            padding: 0;
            margin: 0;
        }
        .breadcrumb-area .breadcrumb-item {
            color: var(--text-muted);
            font-size: 0.875rem;
        }
        .breadcrumb-area .breadcrumb-item a {
            color: var(--text-muted);
        }
        .breadcrumb-area .breadcrumb-item a:hover {
            color: var(--secondary);
        }
        .breadcrumb-area .breadcrumb-item.active {
            color: var(--text-light);
        }
        .breadcrumb-area .breadcrumb-item+.breadcrumb-item::before {
            color: var(--text-muted);
            content: '›';
        }

        /* ===== Navigation ===== */
        header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: var(--primary);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }
        .navbar-top {
            padding: 8px 0;
            background: var(--primary);
            min-height: 64px;
        }
        .navbar-top .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-white);
            font-family: var(--font-cn);
        }
        .navbar-top .navbar-brand i {
            color: var(--secondary);
            font-size: 1.8rem;
        }
        .navbar-top .navbar-brand span {
            color: var(--text-white);
        }
        .navbar-top .navbar-brand:hover {
            color: var(--text-white);
        }
        .nav-search-toggle {
            color: var(--text-muted);
            font-size: 1.2rem;
            cursor: pointer;
            transition: var(--transition);
            padding: 6px 10px;
        }
        .nav-search-toggle:hover {
            color: var(--secondary);
        }
        .nav-cta-btn {
            background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
            color: #fff !important;
            padding: 8px 22px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition);
            box-shadow: 0 0 12px rgba(255, 107, 53, 0.3);
        }
        .nav-cta-btn:hover {
            transform: scale(1.03);
            box-shadow: 0 0 20px rgba(255, 107, 53, 0.5);
            color: #fff !important;
        }
        .navbar-toggler:focus {
            box-shadow: none;
        }

        /* --- Channel Tabs --- */
        .navbar-channel {
            background: #091A2C;
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            padding: 6px 0;
        }
        .navbar-channel .scrollable-tabs {
            display: flex;
            flex-wrap: nowrap;
            gap: 6px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            -ms-overflow-style: none;
            padding: 2px 0;
        }
        .navbar-channel .scrollable-tabs::-webkit-scrollbar {
            display: none;
        }
        .navbar-channel .nav-link {
            padding: 8px 22px;
            border-radius: var(--radius-pill);
            color: var(--text-muted);
            font-size: 0.9rem;
            font-weight: 500;
            white-space: nowrap;
            transition: var(--transition);
            background: transparent;
            border: 1px solid transparent;
        }
        .navbar-channel .nav-link:hover {
            color: var(--text-white);
            background: rgba(255, 255, 255, 0.05);
        }
        .navbar-channel .nav-link.active {
            background: var(--secondary);
            color: #fff !important;
            border-color: var(--secondary);
            box-shadow: 0 0 12px rgba(255, 107, 53, 0.3);
        }
        @media (max-width: 768px) {
            .navbar-channel .scrollable-tabs {
                gap: 4px;
            }
            .navbar-channel .nav-link {
                padding: 6px 16px;
                font-size: 0.82rem;
            }
            #channelCollapse {
                width: 100%;
            }
        }

        /* ===== Hero / Banner ===== */
        .category-hero {
            min-height: 60vh;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, #0B1A2E 0%, #122a47 50%, #0B1A2E 100%), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            background-blend-mode: overlay;
            position: relative;
            overflow: hidden;
            padding: 80px 0 60px;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(255, 107, 53, 0.12), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            bottom: -20%;
            left: -5%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(27, 107, 156, 0.15), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .category-hero .hero-content {
            position: relative;
            z-index: 2;
        }
        .category-hero h1 {
            font-size: clamp(2.2rem, 4.5vw, 3.2rem);
            font-weight: 900;
            margin-bottom: 16px;
            line-height: 1.2;
        }
        .category-hero h1 .highlight {
            color: var(--secondary);
        }
        .category-hero .hero-sub {
            font-size: 1.15rem;
            color: var(--text-light);
            max-width: 640px;
            margin-bottom: 32px;
            line-height: 1.8;
        }
        .category-hero .hero-stats {
            display: flex;
            gap: 40px;
            flex-wrap: wrap;
            margin-top: 30px;
        }
        .category-hero .hero-stats .stat-item {
            text-align: center;
        }
        .category-hero .hero-stats .stat-number {
            font-size: 2rem;
            font-weight: 700;
            color: var(--secondary);
            font-family: var(--font-en);
        }
        .category-hero .hero-stats .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            display: block;
            margin-top: 2px;
        }
        @media (max-width: 768px) {
            .category-hero {
                min-height: auto;
                padding: 60px 0 40px;
            }
            .category-hero .hero-stats {
                gap: 20px;
            }
            .category-hero .hero-stats .stat-number {
                font-size: 1.5rem;
            }
        }

        /* ===== Feature Cards ===== */
        .feature-grid .feature-icon {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--secondary), var(--accent-blue));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: #fff;
            margin-bottom: 18px;
            box-shadow: 0 0 20px rgba(255, 107, 53, 0.2);
        }
        .feature-grid .glass-card h3 {
            margin-bottom: 10px;
            font-size: 1.2rem;
        }
        .feature-grid .glass-card p {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.7;
        }
        .feature-grid .glass-card .feature-link {
            color: var(--secondary);
            font-weight: 500;
            font-size: 0.88rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 12px;
        }
        .feature-grid .glass-card .feature-link:hover {
            gap: 10px;
        }

        /* ===== Service Details ===== */
        .service-detail-block {
            background: rgba(255, 255, 255, 0.02);
        }
        .service-detail-block .detail-img {
            border-radius: var(--radius-card);
            box-shadow: var(--card-shadow);
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 280px;
        }
        .service-detail-block .detail-content h3 {
            margin-bottom: 16px;
        }
        .service-detail-block .detail-content ul {
            list-style: none;
            padding: 0;
            margin: 20px 0 0;
        }
        .service-detail-block .detail-content ul li {
            padding: 8px 0;
            display: flex;
            align-items: flex-start;
            gap: 12px;
            color: var(--text-light);
            font-size: 0.95rem;
        }
        .service-detail-block .detail-content ul li i {
            color: var(--secondary);
            font-size: 1rem;
            margin-top: 4px;
        }

        /* ===== Scenarios ===== */
        .scenario-card {
            text-align: center;
            padding: 32px 20px;
        }
        .scenario-card .scenario-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(255, 107, 53, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--secondary);
            margin: 0 auto 16px;
            transition: var(--transition);
        }
        .scenario-card:hover .scenario-icon {
            background: var(--secondary);
            color: #fff;
        }
        .scenario-card h4 {
            font-size: 1.05rem;
            margin-bottom: 8px;
        }
        .scenario-card p {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin: 0;
        }

        /* ===== Process / Steps ===== */
        .process-section {
            background: rgba(255, 255, 255, 0.02);
        }
        .step-item {
            display: flex;
            gap: 20px;
            align-items: flex-start;
            padding: 20px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }
        .step-item:last-child {
            border-bottom: none;
        }
        .step-number {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.2rem;
            font-family: var(--font-en);
            box-shadow: 0 0 16px rgba(255, 107, 53, 0.3);
        }
        .step-content h4 {
            font-size: 1.1rem;
            margin-bottom: 4px;
        }
        .step-content p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin: 0;
        }

        /* ===== FAQ ===== */
        .faq-section .accordion-item {
            background: var(--glass-bg);
            backdrop-filter: blur(8px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card) !important;
            margin-bottom: 12px;
            overflow: hidden;
        }
        .faq-section .accordion-button {
            background: transparent;
            color: var(--text-white);
            font-weight: 600;
            font-size: 1rem;
            padding: 18px 24px;
            box-shadow: none;
            border: none;
        }
        .faq-section .accordion-button::after {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23FF6B35'%3E%3Cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E");
            transition: var(--transition);
        }
        .faq-section .accordion-button:not(.collapsed)::after {
            transform: rotate(180deg);
        }
        .faq-section .accordion-button:not(.collapsed) {
            background: rgba(255, 107, 53, 0.08);
            color: var(--secondary);
        }
        .faq-section .accordion-button:focus {
            box-shadow: none;
            border-color: var(--glass-border);
        }
        .faq-section .accordion-body {
            padding: 0 24px 18px;
            color: var(--text-muted);
            font-size: 0.92rem;
            line-height: 1.8;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, #0B1A2E, #122a47);
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }
        .cta-section h2 {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
        }
        .cta-section p {
            color: var(--text-muted);
            max-width: 560px;
            margin: 0 auto 28px;
        }

        /* ===== Footer ===== */
        .footer {
            background: #060f1c;
            padding: 60px 0 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }
        .footer h5 {
            color: var(--text-white);
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer ul li {
            margin-bottom: 8px;
        }
        .footer ul li a {
            color: var(--text-muted);
            font-size: 0.88rem;
            transition: var(--transition);
        }
        .footer ul li a:hover {
            color: var(--secondary);
            padding-left: 4px;
        }
        .footer .copyright {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 24px;
            margin-top: 36px;
            text-align: center;
            color: var(--text-muted);
            font-size: 0.82rem;
        }

        /* ===== Bottom Fixed Bar ===== */
        .bottom-fixed-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 1020;
            background: linear-gradient(135deg, rgba(11, 26, 46, 0.95), rgba(18, 42, 71, 0.95));
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-top: 1px solid var(--glass-border);
            padding: 14px 0;
            display: flex;
            align-items: center;
        }
        .bottom-fixed-bar .bar-text {
            color: var(--text-white);
            font-weight: 600;
            font-size: 1rem;
        }
        .bottom-fixed-bar .bar-cta {
            flex-shrink: 0;
        }
        @media (max-width: 576px) {
            .bottom-fixed-bar .bar-text {
                font-size: 0.85rem;
            }
            .bottom-fixed-bar .btn-primary-custom {
                padding: 8px 18px;
                font-size: 0.82rem;
            }
        }

        /* ===== Utility ===== */
        .bg-decor-line {
            position: absolute;
            width: 300px;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(255, 107, 53, 0.2), transparent);
            top: 20%;
            left: -10%;
            transform: rotate(30deg);
            pointer-events: none;
        }
        .text-secondary-custom {
            color: var(--secondary) !important;
        }

        /* ===== Responsive ===== */
        @media (max-width: 992px) {
            .service-detail-block .row {
                flex-direction: column-reverse;
            }
            .service-detail-block .detail-img {
                min-height: 220px;
                margin-bottom: 20px;
            }
            .hero-stats .stat-item {
                flex: 1 1 40%;
            }
        }
        @media (max-width: 576px) {
            .navbar-top .navbar-brand {
                font-size: 1.2rem;
            }
            .navbar-top .navbar-brand i {
                font-size: 1.4rem;
            }
            .nav-cta-btn {
                padding: 6px 14px;
                font-size: 0.78rem;
            }
            .feature-grid .glass-card {
                padding: 20px 16px;
            }
            .step-item {
                flex-direction: column;
                gap: 12px;
            }
            .bottom-fixed-bar {
                padding: 10px 0;
            }
        }
        body {
            padding-bottom: 80px;
        }
        @media (max-width: 576px) {
            body {
                padding-bottom: 70px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #0B1A2E;
            --secondary: #FF6B35;
            --accent-blue: #1B6B9C;
            --text-white: #FFFFFF;
            --text-body: rgba(255, 255, 255, 0.85);
            --text-muted: rgba(255, 255, 255, 0.55);
            --glass-bg: rgba(11, 26, 46, 0.6);
            --glass-border: rgba(255, 255, 255, 0.15);
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-pill: 24px;
            --shadow-card: 0 4px 15px rgba(0, 0, 0, 0.3);
            --shadow-hover: 0 8px 25px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 20px rgba(255, 107, 53, 0.5);
            --transition: all 0.3s ease;
            --font-sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-num: 'Inter', 'Segoe UI', sans-serif;
        }

        * {
            box-sizing: border-box;
        }

        body {
            font-family: var(--font-sans);
            background: var(--primary);
            color: var(--text-body);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }

        a {
            color: var(--text-body);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary);
        }

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

        .container {
            max-width: 1320px;
            padding: 0 20px;
        }

        /* ===== 导航 ===== */
        header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: var(--primary);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .navbar-top {
            background: var(--primary);
            padding: 8px 0;
            min-height: 64px;
        }
        .navbar-top .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.5rem;
            color: var(--text-white) !important;
        }
        .navbar-brand i {
            color: var(--secondary);
            font-size: 1.6rem;
        }
        .navbar-brand span {
            color: var(--text-white);
        }

        .nav-search-toggle {
            color: var(--text-body);
            font-size: 1.2rem;
            cursor: pointer;
            padding: 8px;
            border-radius: var(--radius-btn);
            transition: var(--transition);
        }
        .nav-search-toggle:hover {
            color: var(--secondary);
            background: rgba(255, 255, 255, 0.05);
        }

        .nav-cta-btn {
            background: linear-gradient(135deg, #FF6B35, #E85D2C);
            color: var(--text-white) !important;
            padding: 8px 22px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.95rem;
            box-shadow: 0 0 12px rgba(255, 107, 53, 0.3);
            transition: var(--transition);
        }
        .nav-cta-btn:hover {
            box-shadow: 0 0 24px rgba(255, 107, 53, 0.6);
            transform: scale(1.02);
        }

        .navbar-toggler {
            padding: 6px 10px;
            background: transparent;
            border: none;
        }
        .navbar-toggler:focus {
            box-shadow: none;
        }

        /* 第二行频道 */
        .navbar-channel {
            background: #091A2C;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding: 0;
        }
        .navbar-channel .scrollable-tabs {
            display: flex;
            flex-wrap: nowrap;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            gap: 4px;
            padding: 6px 0;
        }
        .navbar-channel .scrollable-tabs::-webkit-scrollbar {
            display: none;
        }
        .navbar-channel .nav-link {
            flex: 0 0 auto;
            padding: 8px 22px;
            border-radius: var(--radius-pill);
            color: var(--text-body);
            font-size: 0.9rem;
            font-weight: 500;
            white-space: nowrap;
            transition: var(--transition);
        }
        .navbar-channel .nav-link:hover {
            background: rgba(255, 255, 255, 0.08);
            color: var(--text-white);
        }
        .navbar-channel .nav-link.active {
            background: var(--secondary);
            color: var(--text-white);
            box-shadow: 0 0 12px rgba(255, 107, 53, 0.4);
        }

        /* ===== 面包屑 ===== */
        .breadcrumb-area {
            background: transparent;
            padding: 18px 0 8px;
        }
        .breadcrumb-area .breadcrumb {
            background: transparent;
            margin: 0;
            padding: 0;
        }
        .breadcrumb-area .breadcrumb-item {
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .breadcrumb-area .breadcrumb-item a {
            color: var(--text-muted);
        }
        .breadcrumb-area .breadcrumb-item a:hover {
            color: var(--secondary);
        }
        .breadcrumb-area .breadcrumb-item.active {
            color: var(--text-body);
        }
        .breadcrumb-area .breadcrumb-item+.breadcrumb-item::before {
            color: var(--text-muted);
            content: "›";
        }

        /* ===== Hero ===== */
        .category-hero {
            position: relative;
            min-height: 50vh;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: 60px 0 80px;
            background: linear-gradient(135deg, #0B1A2E 0%, #0F2844 50%, #0B1A2E 100%);
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center center/cover no-repeat;
            opacity: 0.18;
            mix-blend-mode: overlay;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            top: -30%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(255, 107, 53, 0.15), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .category-hero .hero-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
        }
        .category-hero h1 {
            font-size: 2.8rem;
            font-weight: 900;
            color: var(--text-white);
            margin-bottom: 16px;
            letter-spacing: 1px;
        }
        .category-hero h1 span {
            color: var(--secondary);
        }
        .category-hero .hero-sub {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 28px;
            line-height: 1.7;
        }
        .category-hero .hero-cta {
            display: inline-flex;
            gap: 16px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .category-hero .btn-primary-custom {
            background: linear-gradient(135deg, #FF6B35, #E85D2C);
            color: var(--text-white);
            padding: 14px 36px;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 1.05rem;
            box-shadow: var(--shadow-glow);
            border: none;
            transition: var(--transition);
        }
        .category-hero .btn-primary-custom:hover {
            box-shadow: 0 0 30px rgba(255, 107, 53, 0.8);
            transform: scale(1.03);
            color: var(--text-white);
        }
        .category-hero .btn-outline-custom {
            background: transparent;
            color: var(--text-white);
            padding: 13px 34px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 1.05rem;
            border: 2px solid rgba(255, 255, 255, 0.25);
            transition: var(--transition);
        }
        .category-hero .btn-outline-custom:hover {
            border-color: var(--secondary);
            background: rgba(255, 107, 53, 0.1);
            color: var(--secondary);
        }

        /* ===== 通用板块 ===== */
        .section-block {
            padding: 70px 0;
        }
        .section-block .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 12px;
        }
        .section-block .section-sub {
            font-size: 1.05rem;
            color: var(--text-muted);
            margin-bottom: 40px;
            max-width: 640px;
        }

        /* ===== 玻璃拟态卡片 ===== */
        .glass-card {
            background: var(--glass-bg);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            padding: 30px 24px;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            height: 100%;
        }
        .glass-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .glass-card .card-icon {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--secondary), var(--accent-blue));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--text-white);
            margin-bottom: 18px;
        }
        .glass-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 10px;
        }
        .glass-card p {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 16px;
        }
        .glass-card .card-link {
            color: var(--secondary);
            font-weight: 500;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .glass-card .card-link:hover {
            gap: 10px;
            color: #ff8a5c;
        }

        /* ===== 卖点三连 ===== */
        .feature-grid .glass-card {
            text-align: center;
            padding: 36px 20px;
        }
        .feature-grid .glass-card .card-icon {
            margin: 0 auto 20px;
        }
        .feature-grid .glass-card h3 {
            font-size: 1.2rem;
        }

        /* ===== 场景演示 ===== */
        .scene-section {
            background: rgba(9, 26, 44, 0.6);
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }
        .scene-showcase {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--glass-border);
            background: var(--glass-bg);
            backdrop-filter: blur(8px);
        }
        .scene-showcase img {
            width: 100%;
            display: block;
            object-fit: cover;
        }
        .scene-showcase .scene-caption {
            padding: 20px 28px;
        }
        .scene-showcase .scene-caption h4 {
            color: var(--text-white);
            font-weight: 600;
            font-size: 1.1rem;
        }
        .scene-showcase .scene-caption p {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin: 0;
        }

        /* ===== 流程步骤 ===== */
        .step-item {
            text-align: center;
            padding: 20px 12px;
            position: relative;
        }
        .step-item .step-num {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--secondary), #E85D2C);
            color: var(--text-white);
            font-weight: 700;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            box-shadow: 0 0 16px rgba(255, 107, 53, 0.3);
        }
        .step-item h4 {
            color: var(--text-white);
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 8px;
        }
        .step-item p {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin: 0;
        }
        .step-arrow {
            display: none;
        }
        @media (min-width: 768px) {
            .step-arrow {
                display: flex;
                align-items: center;
                justify-content: center;
                font-size: 1.6rem;
                color: var(--secondary);
                opacity: 0.4;
            }
        }

        /* ===== 数据统计 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        @media (min-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(4, 1fr);
            }
        }
        .stat-card {
            background: var(--glass-bg);
            backdrop-filter: blur(8px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            padding: 28px 18px;
            text-align: center;
            transition: var(--transition);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .stat-card .stat-number {
            font-family: var(--font-num);
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--secondary);
            line-height: 1.2;
        }
        .stat-card .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-top: 6px;
        }

        /* ===== FAQ ===== */
        .faq-accordion .accordion-item {
            background: var(--glass-bg);
            backdrop-filter: blur(8px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card) !important;
            margin-bottom: 12px;
            overflow: hidden;
        }
        .faq-accordion .accordion-button {
            background: transparent;
            color: var(--text-white);
            font-weight: 600;
            font-size: 1rem;
            padding: 18px 24px;
            box-shadow: none;
            border: none;
        }
        .faq-accordion .accordion-button::after {
            background-image: none;
            content: '+';
            font-size: 1.4rem;
            font-weight: 300;
            color: var(--secondary);
            transform: none;
            width: auto;
            height: auto;
            line-height: 1;
        }
        .faq-accordion .accordion-button:not(.collapsed)::after {
            content: '−';
            color: var(--secondary);
        }
        .faq-accordion .accordion-button:focus {
            box-shadow: none;
            border-color: transparent;
        }
        .faq-accordion .accordion-body {
            background: transparent;
            color: var(--text-muted);
            font-size: 0.95rem;
            padding: 0 24px 20px;
            line-height: 1.7;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, rgba(255, 107, 53, 0.08), rgba(27, 107, 156, 0.08));
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }
        .cta-section .cta-card {
            background: var(--glass-bg);
            backdrop-filter: blur(12px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            padding: 50px 40px;
            text-align: center;
            box-shadow: var(--shadow-card);
        }
        .cta-section .cta-card h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 14px;
        }
        .cta-section .cta-card p {
            color: var(--text-muted);
            font-size: 1.05rem;
            max-width: 560px;
            margin: 0 auto 28px;
        }
        .cta-section .btn-primary-custom {
            background: linear-gradient(135deg, #FF6B35, #E85D2C);
            color: var(--text-white);
            padding: 14px 42px;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 1.05rem;
            box-shadow: var(--shadow-glow);
            border: none;
            transition: var(--transition);
        }
        .cta-section .btn-primary-custom:hover {
            box-shadow: 0 0 30px rgba(255, 107, 53, 0.8);
            transform: scale(1.03);
            color: var(--text-white);
        }

        /* ===== 底部固定转化条 ===== */
        .bottom-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 1020;
            background: linear-gradient(135deg, rgba(11, 26, 46, 0.92), rgba(11, 26, 46, 0.88));
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 14px 0;
            display: none;
        }
        @media (min-width: 768px) {
            .bottom-cta-bar {
                display: block;
            }
        }
        .bottom-cta-bar .bar-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .bottom-cta-bar .bar-text {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-white);
        }
        .bottom-cta-bar .bar-text i {
            color: var(--secondary);
            margin-right: 8px;
        }
        .bottom-cta-bar .btn-bar-cta {
            background: linear-gradient(135deg, #FF6B35, #E85D2C);
            color: var(--text-white);
            padding: 10px 32px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.95rem;
            box-shadow: 0 0 16px rgba(255, 107, 53, 0.3);
            transition: var(--transition);
            border: none;
        }
        .bottom-cta-bar .btn-bar-cta:hover {
            box-shadow: 0 0 28px rgba(255, 107, 53, 0.6);
            transform: scale(1.02);
            color: var(--text-white);
        }

        /* ===== 页脚 ===== */
        .footer {
            background: #081624;
            padding: 50px 0 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }
        .footer h5 {
            color: var(--text-white);
            font-weight: 600;
            font-size: 1.05rem;
            margin-bottom: 18px;
        }
        .footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer ul li {
            margin-bottom: 8px;
        }
        .footer ul li a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .footer ul li a:hover {
            color: var(--secondary);
            padding-left: 4px;
        }
        .footer .copyright {
            margin-top: 36px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            text-align: center;
            color: rgba(255, 255, 255, 0.35);
            font-size: 0.85rem;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 991.98px) {
            .category-hero h1 {
                font-size: 2rem;
            }
            .category-hero .hero-sub {
                font-size: 1rem;
            }
            .section-block .section-title {
                font-size: 1.6rem;
            }
            .cta-section .cta-card h2 {
                font-size: 1.5rem;
            }
            .cta-section .cta-card {
                padding: 36px 24px;
            }
        }

        @media (max-width: 767.98px) {
            .category-hero {
                min-height: 40vh;
                padding: 40px 0 50px;
            }
            .category-hero h1 {
                font-size: 1.6rem;
            }
            .category-hero .hero-sub {
                font-size: 0.9rem;
            }
            .category-hero .btn-primary-custom,
            .category-hero .btn-outline-custom {
                padding: 11px 26px;
                font-size: 0.9rem;
            }
            .section-block {
                padding: 40px 0;
            }
            .section-block .section-title {
                font-size: 1.35rem;
            }
            .section-block .section-sub {
                font-size: 0.9rem;
                margin-bottom: 28px;
            }
            .glass-card {
                padding: 22px 16px;
            }
            .glass-card .card-icon {
                width: 48px;
                height: 48px;
                font-size: 1.3rem;
            }
            .stat-card .stat-number {
                font-size: 1.6rem;
            }
            .step-item {
                padding: 14px 8px;
            }
            .cta-section .cta-card h2 {
                font-size: 1.25rem;
            }
            .cta-section .cta-card p {
                font-size: 0.9rem;
            }
            .bottom-cta-bar .bar-text {
                font-size: 0.9rem;
            }
            .bottom-cta-bar .btn-bar-cta {
                padding: 8px 20px;
                font-size: 0.85rem;
            }
            .navbar-brand {
                font-size: 1.2rem;
            }
            .navbar-brand i {
                font-size: 1.3rem;
            }
            .nav-cta-btn {
                padding: 6px 16px;
                font-size: 0.85rem;
            }
            .footer {
                padding: 32px 0 20px;
            }
            .footer .copyright {
                font-size: 0.75rem;
            }
        }

        @media (max-width: 520px) {
            .category-hero h1 {
                font-size: 1.35rem;
            }
            .category-hero .hero-sub {
                font-size: 0.82rem;
            }
            .category-hero .hero-cta {
                flex-direction: column;
                align-items: center;
            }
            .section-block .section-title {
                font-size: 1.15rem;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .stat-card {
                padding: 18px 12px;
            }
            .stat-card .stat-number {
                font-size: 1.4rem;
            }
            .faq-accordion .accordion-button {
                font-size: 0.9rem;
                padding: 14px 16px;
            }
            .faq-accordion .accordion-body {
                font-size: 0.85rem;
                padding: 0 16px 16px;
            }
        }

/* roulang page: category2 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0B1A2E;
            --primary-light: #091A2C;
            --secondary: #FF6B35;
            --secondary-hover: #E85D2C;
            --accent-blue: #1B6B9C;
            --text-white: #FFFFFF;
            --text-light: rgba(255, 255, 255, 0.85);
            --text-muted: rgba(255, 255, 255, 0.55);
            --glass-bg: rgba(255, 255, 255, 0.05);
            --glass-border: rgba(255, 255, 255, 0.15);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-pill: 50px;
            --shadow-card: 0 4px 15px rgba(0, 0, 0, 0.3);
            --shadow-hover: 0 8px 25px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 20px rgba(255, 107, 53, 0.5);
            --font-sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-num: 'Inter', 'Segoe UI', sans-serif;
            --transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

        /* ===== Reset / Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background: var(--primary);
            color: var(--text-light);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        a {
            color: var(--text-light);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary);
        }

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

        /* ===== Container ===== */
        .container {
            max-width: 1320px;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ===== Header / 双层导航 ===== */
        header {
            background: var(--primary);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            position: relative;
            z-index: 1030;
        }

        .navbar-top {
            padding: 0;
            min-height: 64px;
            background: var(--primary);
        }
        .navbar-top .container {
            display: flex;
            align-items: center;
            flex-wrap: nowrap;
        }

        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 900;
            font-size: 1.5rem;
            color: var(--text-white) !important;
            padding: 10px 0;
            letter-spacing: 1px;
        }
        .navbar-brand i {
            color: var(--secondary);
            font-size: 1.6rem;
        }
        .navbar-brand span {
            background: linear-gradient(135deg, #fff 60%, var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .nav-search-toggle {
            color: var(--text-light);
            font-size: 1.2rem;
            cursor: pointer;
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .nav-search-toggle:hover {
            color: var(--secondary);
            background: rgba(255, 255, 255, 0.05);
        }

        .nav-cta-btn {
            background: linear-gradient(135deg, var(--secondary), var(--secondary-hover));
            color: var(--text-white) !important;
            padding: 8px 24px;
            border-radius: var(--radius-pill);
            font-weight: 600;
            font-size: 0.95rem;
            box-shadow: var(--shadow-glow);
            transition: var(--transition);
            white-space: nowrap;
        }
        .nav-cta-btn:hover {
            transform: scale(1.02);
            box-shadow: 0 0 30px rgba(255, 107, 53, 0.7);
            color: #fff !important;
        }

        .navbar-toggler {
            padding: 4px 8px;
            background: transparent;
            border: none;
        }
        .navbar-toggler:focus {
            box-shadow: none;
        }

        /* 搜索区 */
        #searchCollapse {
            background: var(--primary-light) !important;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }
        #searchCollapse .form-control {
            background: rgba(255, 255, 255, 0.08) !important;
            border: 1px solid rgba(255, 255, 255, 0.15) !important;
            color: var(--text-white) !important;
            border-radius: var(--radius-pill) !important;
            padding: 10px 20px;
        }
        #searchCollapse .form-control::placeholder {
            color: var(--text-muted);
        }
        #searchCollapse .form-control:focus {
            border-color: var(--secondary) !important;
            box-shadow: 0 0 0 0.2rem rgba(255, 107, 53, 0.25) !important;
        }

        .btn-primary-custom {
            background: linear-gradient(135deg, var(--secondary), var(--secondary-hover));
            color: #fff;
            border: none;
            border-radius: var(--radius-pill);
            padding: 10px 24px;
            font-weight: 600;
            transition: var(--transition);
            box-shadow: var(--shadow-glow);
        }
        .btn-primary-custom:hover {
            transform: scale(1.02);
            box-shadow: 0 0 30px rgba(255, 107, 53, 0.7);
            color: #fff;
        }

        /* 第二行频道 */
        .navbar-channel {
            background: var(--primary-light);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            min-height: 48px;
        }
        .navbar-channel .container {
            display: flex;
            align-items: center;
        }
        .scrollable-tabs {
            display: flex;
            flex-wrap: nowrap;
            gap: 6px;
            padding: 6px 0;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            -ms-overflow-style: none;
            width: 100%;
        }
        .scrollable-tabs::-webkit-scrollbar {
            display: none;
        }
        .scrollable-tabs .nav-link {
            padding: 6px 20px;
            border-radius: var(--radius-pill);
            color: var(--text-light);
            font-size: 0.9rem;
            font-weight: 500;
            white-space: nowrap;
            transition: var(--transition);
            background: transparent;
            border: 1px solid transparent;
        }
        .scrollable-tabs .nav-link:hover {
            color: var(--text-white);
            background: rgba(255, 255, 255, 0.08);
        }
        .scrollable-tabs .nav-link.active {
            background: var(--secondary);
            color: var(--text-white);
            border-color: var(--secondary);
            box-shadow: 0 0 15px rgba(255, 107, 53, 0.3);
        }
        .scrollable-tabs .nav-link.active:hover {
            background: var(--secondary-hover);
        }

        /* ===== Hero ===== */
        .category-hero {
            position: relative;
            min-height: 60vh;
            display: flex;
            align-items: center;
            background: var(--primary);
            overflow: hidden;
            padding: 80px 0 60px;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.25;
            z-index: 0;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(255, 107, 53, 0.12), transparent 60%),
                radial-gradient(ellipse at 70% 80%, rgba(27, 107, 156, 0.15), transparent 50%);
            z-index: 1;
        }
        .category-hero .container {
            position: relative;
            z-index: 2;
        }
        .category-hero .hero-badge {
            display: inline-block;
            background: rgba(255, 107, 53, 0.2);
            border: 1px solid rgba(255, 107, 53, 0.3);
            color: var(--secondary);
            padding: 4px 18px;
            border-radius: var(--radius-pill);
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 20px;
            backdrop-filter: blur(6px);
        }
        .category-hero h1 {
            font-size: 3rem;
            font-weight: 900;
            color: var(--text-white);
            line-height: 1.2;
            margin-bottom: 20px;
            letter-spacing: 1px;
        }
        .category-hero h1 span {
            color: var(--secondary);
        }
        .category-hero .hero-sub {
            font-size: 1.15rem;
            color: var(--text-light);
            max-width: 640px;
            margin-bottom: 32px;
            line-height: 1.8;
        }
        .category-hero .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .category-hero .hero-actions .btn-primary-custom {
            padding: 14px 40px;
            font-size: 1.05rem;
            border-radius: var(--radius-pill);
            font-weight: 700;
        }
        .category-hero .hero-actions .btn-outline-light {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.3);
            color: var(--text-white);
            padding: 14px 36px;
            border-radius: var(--radius-pill);
            font-weight: 600;
            transition: var(--transition);
            backdrop-filter: blur(6px);
        }
        .category-hero .hero-actions .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: var(--secondary);
            color: var(--secondary);
        }
        .category-hero .hero-stats {
            display: flex;
            gap: 40px;
            margin-top: 48px;
            flex-wrap: wrap;
        }
        .category-hero .hero-stats .stat-item {
            text-align: center;
        }
        .category-hero .hero-stats .stat-num {
            font-size: 2rem;
            font-weight: 900;
            color: var(--text-white);
            font-family: var(--font-num);
            line-height: 1.2;
        }
        .category-hero .hero-stats .stat-num small {
            font-size: 1rem;
            color: var(--secondary);
        }
        .category-hero .hero-stats .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* ===== 面包屑 ===== */
        .breadcrumb-area {
            background: transparent;
            padding: 16px 0 0;
        }
        .breadcrumb-area .breadcrumb {
            background: transparent;
            padding: 0;
            margin: 0;
        }
        .breadcrumb-area .breadcrumb-item {
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .breadcrumb-area .breadcrumb-item a {
            color: var(--text-muted);
        }
        .breadcrumb-area .breadcrumb-item a:hover {
            color: var(--secondary);
        }
        .breadcrumb-area .breadcrumb-item.active {
            color: var(--text-light);
        }
        .breadcrumb-area .breadcrumb-item+.breadcrumb-item::before {
            color: var(--text-muted);
            content: '›';
        }

        /* ===== 板块通用 ===== */
        .section-padding {
            padding: 80px 0;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 600px;
            margin-bottom: 48px;
            line-height: 1.7;
        }
        .section-subtitle.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }
        .section-title.center {
            text-align: center;
        }

        /* ===== 玻璃拟态卡片 ===== */
        .glass-card {
            background: rgba(11, 26, 46, 0.6);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-md);
            padding: 32px 24px;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            height: 100%;
        }
        .glass-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(255, 107, 53, 0.25);
        }
        .glass-card .card-icon {
            width: 64px;
            height: 64px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, rgba(255, 107, 53, 0.2), rgba(27, 107, 156, 0.2));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            color: var(--secondary);
            margin-bottom: 20px;
            border: 1px solid rgba(255, 107, 53, 0.15);
        }
        .glass-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 12px;
        }
        .glass-card p {
            font-size: 0.95rem;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .glass-card .card-link {
            color: var(--secondary);
            font-weight: 600;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }
        .glass-card .card-link:hover {
            gap: 10px;
            color: var(--secondary-hover);
        }

        /* ===== 优势板块 ===== */
        .advantages-section {
            background: linear-gradient(180deg, var(--primary) 0%, rgba(11, 26, 46, 0.95) 100%);
            position: relative;
        }
        .advantages-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(255, 107, 53, 0.2), transparent);
        }

        /* ===== 流程板块 ===== */
        .process-section {
            background: var(--primary-light);
            position: relative;
        }
        .process-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.05), transparent);
        }
        .process-step {
            text-align: center;
            padding: 24px 16px;
            position: relative;
        }
        .process-step .step-num {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--secondary), var(--secondary-hover));
            color: #fff;
            font-size: 1.4rem;
            font-weight: 900;
            font-family: var(--font-num);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            box-shadow: 0 0 20px rgba(255, 107, 53, 0.3);
        }
        .process-step h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 8px;
        }
        .process-step p {
            font-size: 0.9rem;
            color: var(--text-muted);
            max-width: 240px;
            margin: 0 auto;
        }
        .process-step .step-connector {
            display: none;
        }
        @media (min-width: 768px) {
            .process-step {
                position: relative;
            }
            .process-step:not(:last-child)::after {
                content: '→';
                position: absolute;
                right: -20px;
                top: 40px;
                font-size: 1.8rem;
                color: var(--secondary);
                opacity: 0.5;
                font-weight: 300;
            }
        }

        /* ===== 场馆类型 ===== */
        .venue-types {
            background: var(--primary);
        }
        .venue-type-card {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-md);
            padding: 28px 20px;
            text-align: center;
            transition: var(--transition);
            height: 100%;
        }
        .venue-type-card:hover {
            border-color: rgba(255, 107, 53, 0.3);
            background: rgba(255, 107, 53, 0.05);
            transform: translateY(-4px);
        }
        .venue-type-card .venue-icon {
            font-size: 2.4rem;
            color: var(--secondary);
            margin-bottom: 14px;
        }
        .venue-type-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 6px;
        }
        .venue-type-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        /* ===== 功能展示 ===== */
        .features-section {
            background: linear-gradient(180deg, var(--primary-light) 0%, var(--primary) 100%);
        }
        .feature-item {
            display: flex;
            gap: 20px;
            padding: 24px 20px;
            border-radius: var(--radius-md);
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: var(--transition);
            height: 100%;
        }
        .feature-item:hover {
            background: rgba(255, 255, 255, 0.06);
            border-color: rgba(255, 107, 53, 0.15);
        }
        .feature-item .f-icon {
            font-size: 1.6rem;
            color: var(--secondary);
            flex-shrink: 0;
            width: 48px;
            padding-top: 4px;
        }
        .feature-item .f-content h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 6px;
        }
        .feature-item .f-content p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.6;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--primary-light);
        }
        .faq-accordion .accordion-item {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-sm) !important;
            margin-bottom: 12px;
            overflow: hidden;
        }
        .faq-accordion .accordion-button {
            background: transparent;
            color: var(--text-white);
            font-weight: 600;
            font-size: 1rem;
            padding: 18px 24px;
            box-shadow: none;
            border: none;
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            background: rgba(255, 107, 53, 0.08);
            color: var(--secondary);
        }
        .faq-accordion .accordion-button::after {
            content: '+';
            background: none;
            font-size: 1.4rem;
            font-weight: 300;
            color: var(--secondary);
            width: auto;
            height: auto;
            transform: none;
            transition: var(--transition);
        }
        .faq-accordion .accordion-button:not(.collapsed)::after {
            content: '−';
            transform: none;
        }
        .faq-accordion .accordion-body {
            padding: 0 24px 20px;
            color: var(--text-light);
            font-size: 0.95rem;
            line-height: 1.7;
        }
        .faq-accordion .accordion-button:focus {
            box-shadow: none;
            border-color: rgba(255, 107, 53, 0.3);
        }

        /* ===== CTA 板块 ===== */
        .cta-section {
            background: var(--primary);
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 50% 50%, rgba(255, 107, 53, 0.08), transparent 60%);
        }
        .cta-section .cta-card {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-lg);
            padding: 56px 48px;
            text-align: center;
            backdrop-filter: blur(12px);
            position: relative;
            z-index: 1;
        }
        .cta-section .cta-card h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 16px;
        }
        .cta-section .cta-card p {
            font-size: 1.05rem;
            color: var(--text-light);
            max-width: 560px;
            margin: 0 auto 32px;
        }
        .cta-section .cta-card .btn-primary-custom {
            padding: 16px 48px;
            font-size: 1.1rem;
            font-weight: 700;
            border-radius: var(--radius-pill);
        }
        .cta-section .cta-card .btn-primary-custom i {
            margin-right: 8px;
        }

        /* ===== 底部固定转化条 ===== */
        .bottom-cta-bar {
            background: linear-gradient(135deg, rgba(11, 26, 46, 0.95), rgba(27, 107, 156, 0.3));
            backdrop-filter: blur(12px);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 16px 0;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 1020;
            display: none;
        }
        .bottom-cta-bar .bar-content {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .bottom-cta-bar .bar-text {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-white);
        }
        .bottom-cta-bar .bar-text small {
            font-weight: 400;
            color: var(--text-muted);
            font-size: 0.85rem;
        }
        .bottom-cta-bar .btn-primary-custom {
            padding: 10px 32px;
            font-size: 0.95rem;
            border-radius: var(--radius-pill);
            font-weight: 600;
            white-space: nowrap;
        }
        @media (max-width: 576px) {
            .bottom-cta-bar .bar-text {
                font-size: 0.9rem;
            }
            .bottom-cta-bar .bar-text small {
                display: none;
            }
            .bottom-cta-bar .btn-primary-custom {
                padding: 8px 20px;
                font-size: 0.85rem;
            }
        }

        /* ===== 页脚 ===== */
        .footer {
            background: var(--primary-light);
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding: 60px 0 30px;
            margin-bottom: 80px;
        }
        .footer h5 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer h5 i {
            color: var(--secondary);
        }
        .footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer ul li {
            margin-bottom: 10px;
        }
        .footer ul li a {
            color: var(--text-muted);
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .footer ul li a:hover {
            color: var(--secondary);
            padding-left: 4px;
        }
        .footer .copyright {
            margin-top: 40px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            text-align: center;
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 991px) {
            .category-hero h1 {
                font-size: 2.2rem;
            }
            .category-hero .hero-sub {
                font-size: 1rem;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .process-step:not(:last-child)::after {
                display: none;
            }
            .cta-section .cta-card {
                padding: 40px 24px;
            }
            .cta-section .cta-card h2 {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 767px) {
            .navbar-brand {
                font-size: 1.2rem;
            }
            .navbar-brand i {
                font-size: 1.3rem;
            }
            .category-hero {
                min-height: 50vh;
                padding: 60px 0 40px;
            }
            .category-hero h1 {
                font-size: 1.8rem;
            }
            .category-hero .hero-stats {
                gap: 20px;
            }
            .category-hero .hero-stats .stat-num {
                font-size: 1.5rem;
            }
            .section-padding {
                padding: 50px 0;
            }
            .glass-card {
                padding: 24px 18px;
            }
            .feature-item {
                flex-direction: column;
                gap: 12px;
                padding: 18px 16px;
            }
            .feature-item .f-icon {
                width: auto;
            }
            .cta-section {
                padding: 50px 0;
            }
            .cta-section .cta-card {
                padding: 32px 18px;
            }
            .cta-section .cta-card h2 {
                font-size: 1.3rem;
            }
            .bottom-cta-bar {
                display: block !important;
            }
            .footer {
                margin-bottom: 72px;
                padding: 40px 0 20px;
            }
            .scrollable-tabs .nav-link {
                padding: 5px 14px;
                font-size: 0.82rem;
            }
        }

        @media (max-width: 576px) {
            .category-hero h1 {
                font-size: 1.5rem;
            }
            .category-hero .hero-sub {
                font-size: 0.9rem;
            }
            .category-hero .hero-actions .btn-primary-custom,
            .category-hero .hero-actions .btn-outline-light {
                padding: 10px 24px;
                font-size: 0.9rem;
                width: 100%;
                text-align: center;
            }
            .category-hero .hero-actions {
                flex-direction: column;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .section-subtitle {
                font-size: 0.9rem;
            }
        }

        /* ===== 辅助类 ===== */
        .text-secondary {
            color: var(--secondary) !important;
        }
        .bg-glass {
            background: var(--glass-bg);
            backdrop-filter: blur(12px);
            border: 1px solid var(--glass-border);
        }
        .mt-negative {
            margin-top: -40px;
        }

        /* 确保底部固定条不遮挡内容 */
        body {
            padding-bottom: 0;
        }
        @media (max-width: 767px) {
            body {
                padding-bottom: 72px;
            }
        }

        /* 装饰水印 */
        .watermark-deco {
            position: absolute;
            font-size: 12rem;
            font-weight: 900;
            color: rgba(255, 255, 255, 0.02);
            pointer-events: none;
            user-select: none;
            z-index: 0;
            line-height: 1;
            transform: rotate(-15deg);
        }