/* roulang page: index */
:root {
            --bg-deep: #070D1F;
            --bg-panel: #0E1735;
            --bg-glass: rgba(16, 26, 60, 0.62);
            --glass-border: rgba(170, 200, 255, 0.18);
            --primary: #3B82F6;
            --primary-light: #60A5FA;
            --accent: #F5B82E;
            --accent-soft: rgba(245, 184, 46, 0.16);
            --text-hi: #EDF1FA;
            --text-mid: #A7B4D6;
            --text-low: #6B7A9E;
            --ok: #2FD6A5;
            --danger: #EF4444;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 8px;
            --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
            --shadow-lg: 0 18px 48px rgba(0, 0, 0, 0.5);
            --spacer: 100px;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-num: "Inter", "Roboto", system-ui, sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            background: var(--bg-deep);
            color: var(--text-mid);
            line-height: 1.75;
            font-size: 16px;
            letter-spacing: 0.2px;
            margin: 0;
            overflow-x: hidden;
            background-image: radial-gradient(ellipse 60% 40% at 10% 0%, rgba(59, 130, 246, 0.05), transparent), radial-gradient(ellipse 40% 30% at 90% 100%, rgba(245, 184, 46, 0.03), transparent);
            background-attachment: fixed;
        }
        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: color 0.25s ease, text-shadow 0.25s ease, border-color 0.25s ease;
        }
        a:hover {
            color: var(--accent);
            text-shadow: 0 0 12px rgba(245, 184, 46, 0.35);
        }
        img {
            max-width: 100%;
            height: auto;
        }
        button,
        input,
        select,
        textarea {
            font-family: var(--font-sans);
        }
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: transparent;
        }
        ::-webkit-scrollbar-thumb {
            background: #1A2447;
            border-radius: 4px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #25325F;
        }
        .container {
            max-width: 1200px;
        }
        section {
            padding: var(--spacer) 0;
        }

        /* 顶部导航 */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: 72px;
            background: rgba(7, 13, 31, 0.88);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid transparent;
            transition: box-shadow 0.3s ease;
        }
        .site-header::after {
            content: "";
            position: absolute;
            left: 0;
            right: 0;
            bottom: -1px;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.8), rgba(245, 184, 46, 0.9), transparent);
            box-shadow: 0 0 4px rgba(59, 130, 246, 0.3);
        }
        .site-header .navbar {
            height: 72px;
            padding: 0;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
        }
        .brand-logo .logo-icon {
            position: relative;
            width: 30px;
            height: 30px;
            flex-shrink: 0;
        }
        .brand-logo .logo-icon .ring {
            width: 22px;
            height: 22px;
            border: 2px solid var(--accent);
            border-radius: 50%;
            position: absolute;
            top: 4px;
            left: 4px;
            box-shadow: 0 0 12px rgba(245, 184, 46, 0.3);
        }
        .brand-logo .logo-icon .dot {
            width: 6px;
            height: 6px;
            background: var(--accent);
            border-radius: 50%;
            position: absolute;
            top: 12px;
            left: 12px;
        }
        .brand-logo .logo-icon .rays {
            position: absolute;
            top: 0;
            right: 0;
            width: 8px;
            height: 2px;
            background: var(--accent);
            border-radius: 1px;
        }
        .brand-logo .logo-icon .rays::before {
            content: "";
            position: absolute;
            top: 4px;
            right: 0;
            width: 6px;
            height: 2px;
            background: var(--accent);
            border-radius: 1px;
        }
        .brand-logo .logo-icon .rays::after {
            content: "";
            position: absolute;
            top: 8px;
            right: 0;
            width: 4px;
            height: 2px;
            background: var(--accent);
            border-radius: 1px;
        }
        .brand-logo .brand-text {
            font-size: 17px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.5px;
            position: relative;
        }
        .brand-logo .brand-text::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -4px;
            width: 24px;
            height: 2px;
            background: var(--accent);
            border-radius: 1px;
        }
        .navbar-nav .nav-link {
            color: var(--text-mid);
            font-size: 15px;
            font-weight: 500;
            padding: 8px 28px;
            position: relative;
            transition: color 0.25s ease, text-shadow 0.25s ease;
        }
        .navbar-nav .nav-link:hover {
            color: #fff;
            text-shadow: 0 0 12px rgba(96, 165, 250, 0.6);
        }
        .navbar-nav .nav-link.active {
            color: var(--text-hi);
            text-shadow: 0 0 10px rgba(96, 165, 250, 0.4);
        }
        .navbar-nav .nav-link.active::after {
            content: "";
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            bottom: 0;
            width: 24px;
            height: 3px;
            background: var(--accent);
            border-radius: 2px;
            box-shadow: 0 0 8px rgba(245, 184, 46, 0.5);
        }
        .btn-vip {
            background: linear-gradient(135deg, #3B82F6, #2563EB);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            border: none;
            border-radius: 12px;
            padding: 10px 22px;
            box-shadow: 0 0 20px rgba(59, 130, 246, 0.4);
            transition: background 0.3s ease, box-shadow 0.3s ease, transform 0.2s ease;
        }
        .btn-vip:hover {
            background: linear-gradient(135deg, #60A5FA, #3B82F6);
            box-shadow: 0 0 28px rgba(59, 130, 246, 0.6);
            color: #fff;
            text-shadow: none;
            transform: translateY(-1px);
        }
        .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 8px;
            padding: 6px 10px;
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3E%3Cpath stroke='rgba(255,255,255,0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E");
        }
        @media (max-width: 991.98px) {
            .navbar-collapse {
                background: rgba(7, 13, 31, 0.96);
                border-radius: 0 0 16px 16px;
                padding: 16px 20px;
                border: 1px solid var(--glass-border);
                border-top: none;
                margin-top: 0;
            }
            .navbar-nav .nav-link {
                padding: 12px 16px;
            }
            .navbar-nav .nav-link.active::after {
                bottom: 4px;
            }
            .btn-vip {
                margin-left: 16px;
                margin-top: 8px;
                display: inline-block;
            }
        }

        /* Hero */
        .hero {
            min-height: 100vh;
            min-height: 560px;
            display: flex;
            align-items: center;
            position: relative;
            padding: 120px 0 80px;
            background: linear-gradient(180deg, rgba(59, 130, 246, 0.14), transparent), url('/assets/images/backpic/back-1.webp') right bottom / 50% 80% no-repeat, var(--bg-deep);
            overflow: hidden;
        }
        .hero::before {
            content: "";
            position: absolute;
            top: -120px;
            right: -80px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(245, 184, 46, 0.08), transparent 70%);
            z-index: 0;
        }
        .hero .container {
            position: relative;
            z-index: 1;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(245, 184, 46, 0.1);
            border: 1px solid rgba(245, 184, 46, 0.3);
            border-radius: 20px;
            padding: 6px 16px;
            font-size: 13px;
            color: var(--accent);
            font-weight: 500;
            margin-bottom: 20px;
        }
        .hero-badge .dot {
            width: 6px;
            height: 6px;
            background: var(--ok);
            border-radius: 50%;
            box-shadow: 0 0 8px rgba(47, 214, 165, 0.5);
        }
        .hero h1 {
            font-size: 44px;
            font-weight: 700;
            color: var(--text-hi);
            line-height: 1.25;
            letter-spacing: 0.5px;
            margin-bottom: 20px;
            max-width: 560px;
        }
        .hero h1 .highlight {
            color: var(--accent);
            position: relative;
        }
        .hero-sub {
            font-size: 18px;
            line-height: 1.7;
            color: var(--text-mid);
            max-width: 560px;
            margin-bottom: 32px;
        }
        .hero-cta {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 24px;
        }
        .btn-primary-custom {
            background: linear-gradient(135deg, #3B82F6, #2563EB);
            color: #fff;
            border: none;
            border-radius: 12px;
            padding: 14px 28px;
            font-size: 15px;
            font-weight: 600;
            box-shadow: 0 4px 20px rgba(59, 130, 246, 0.35);
            transition: all 0.3s ease;
        }
        .btn-primary-custom:hover {
            background: linear-gradient(135deg, #60A5FA, #3B82F6);
            filter: brightness(1.08);
            box-shadow: 0 6px 28px rgba(59, 130, 246, 0.5);
            color: #fff;
            text-shadow: none;
            transform: translateY(-1px);
        }
        .btn-primary-custom:active {
            transform: translateY(0);
        }
        .btn-outline-custom {
            background: transparent;
            color: var(--text-hi);
            border: 1px solid rgba(255, 255, 255, 0.4);
            border-radius: 12px;
            padding: 14px 28px;
            font-size: 15px;
            font-weight: 600;
            transition: all 0.3s ease;
        }
        .btn-outline-custom:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: rgba(245, 184, 46, 0.05);
            text-shadow: none;
        }
        .hero-trust {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--text-low);
        }
        .hero-trust span {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .hero-trust i {
            color: var(--ok);
            font-size: 12px;
        }
        .hero-visual {
            position: relative;
            border-radius: 20px;
            background: var(--bg-glass);
            backdrop-filter: blur(18px);
            border: 1px solid var(--glass-border);
            min-height: 480px;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .hero-visual img {
            object-fit: cover;
            width: 100%;
            height: 100%;
            opacity: 0.6;
        }
        .hero-visual .visual-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(7, 13, 31, 0.4), rgba(7, 13, 31, 0.15));
            z-index: 1;
        }
        .hero-visual .visual-content {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: 40px;
            color: var(--text-hi);
        }
        .scroll-down {
            position: absolute;
            bottom: 30px;
            left: 50%;
            transform: translateX(-50%);
            width: 28px;
            height: 28px;
            border: 1px solid rgba(255, 255, 255, 0.3);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-mid);
            font-size: 12px;
            animation: pulse-down 2s infinite;
            z-index: 5;
            transition: border-color 0.3s, color 0.3s;
        }
        .scroll-down:hover {
            border-color: var(--accent);
            color: var(--accent);
        }
        @keyframes pulse-down {
            0%,
            100% {
                transform: translateX(-50%) translateY(0);
                opacity: 0.7;
            }
            50% {
                transform: translateX(-50%) translateY(6px);
                opacity: 1;
            }
        }
        @media (max-width: 991.98px) {
            .hero {
                padding: 100px 0 60px;
                background: linear-gradient(180deg, rgba(59, 130, 246, 0.14), transparent), url('/assets/images/backpic/back-1.webp') center bottom / 60% 40% no-repeat, var(--bg-deep);
            }
            .hero h1 {
                font-size: 34px;
            }
            .hero-sub {
                font-size: 16px;
            }
            .hero-visual {
                margin-top: 40px;
                min-height: 320px;
            }
        }
        @media (max-width: 767px) {
            section {
                --spacer: 56px;
            }
            .hero {
                padding: 90px 0 50px;
                background: var(--bg-deep);
                text-align: left;
            }
            .hero h1 {
                font-size: 28px;
            }
            .hero-sub {
                font-size: 15px;
            }
            .hero-cta {
                flex-direction: column;
            }
            .hero-cta .btn {
                width: 100%;
            }
            .hero-trust {
                gap: 12px;
                font-size: 12px;
            }
            .hero-visual {
                display: none;
            }
        }

        /* 板块标题 */
        .section-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--accent);
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 12px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .section-label::before {
            content: "";
            width: 24px;
            height: 1px;
            background: var(--accent);
        }
        .section-title {
            font-size: 34px;
            font-weight: 700;
            color: var(--text-hi);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .section-sub {
            font-size: 16px;
            color: var(--text-mid);
            margin-bottom: 48px;
            max-width: 640px;
        }
        @media (max-width: 767px) {
            .section-title {
                font-size: 24px;
            }
            .section-sub {
                font-size: 14px;
                margin-bottom: 32px;
            }
        }

        /* 卖点三连 - 交错布局 */
        .selling-points {
            position: relative;
        }
        .selling-points::before {
            content: "";
            position: absolute;
            top: 0;
            bottom: 0;
            left: 24px;
            width: 1px;
            background: linear-gradient(180deg, var(--primary), var(--accent), transparent);
            opacity: 0.3;
        }
        .selling-item {
            position: relative;
            padding: 32px;
            background: var(--bg-glass);
            backdrop-filter: blur(18px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            margin-bottom: 32px;
            transition: all 0.3s ease;
        }
        .selling-item:hover {
            border-color: rgba(245, 184, 46, 0.4);
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .selling-item .num {
            font-size: 36px;
            font-weight: 700;
            color: var(--accent);
            font-family: var(--font-num);
            line-height: 1;
            margin-bottom: 16px;
        }
        .selling-item .left-line {
            position: absolute;
            left: 0;
            top: 40px;
            bottom: 40px;
            width: 3px;
            background: var(--accent);
            border-radius: 2px;
            box-shadow: 0 0 8px rgba(245, 184, 46, 0.3);
        }
        .selling-item h3 {
            font-size: 20px;
            font-weight: 600;
            color: var(--text-hi);
            margin-bottom: 12px;
        }
        .selling-item p {
            font-size: 15px;
            color: var(--text-mid);
            margin-bottom: 0;
        }
        @media (min-width: 992px) {
            .selling-item.offset-right {
                margin-left: 50%;
                margin-top: -10px;
            }
            .selling-item.span-center {
                width: 60%;
                margin-left: auto;
                margin-right: auto;
            }
        }
        @media (max-width: 767px) {
            .selling-points::before {
                left: 12px;
            }
            .selling-item {
                padding: 20px;
            }
            .selling-item .num {
                font-size: 28px;
            }
            .selling-item h3 {
                font-size: 18px;
            }
            .selling-item p {
                font-size: 14px;
            }
        }

        /* 场景演示 */
        .scene-section {
            background: var(--bg-panel);
            border-radius: 24px;
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .scene-image {
            min-height: 400px;
            background-size: cover;
            background-position: center;
            position: relative;
            display: flex;
            align-items: flex-end;
            padding: 24px;
        }
        .scene-image .image-tag {
            background: rgba(7, 13, 31, 0.7);
            border: 1px solid var(--glass-border);
            border-radius: 10px;
            padding: 8px 14px;
            font-size: 13px;
            color: var(--text-hi);
            backdrop-filter: blur(8px);
        }
        .scene-steps {
            padding: 48px;
        }
        .step-item {
            display: flex;
            gap: 20px;
            position: relative;
            padding-bottom: 36px;
        }
        .step-item:last-child {
            padding-bottom: 0;
        }
        .step-item::before {
            content: "";
            position: absolute;
            left: 19px;
            top: 40px;
            bottom: 0;
            width: 1px;
            border-left: 2px dashed rgba(59, 130, 246, 0.3);
        }
        .step-item:last-child::before {
            display: none;
        }
        .step-num {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            box-shadow: 0 0 16px rgba(59, 130, 246, 0.3);
            position: relative;
            z-index: 1;
        }
        .step-content h4 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-hi);
            margin-bottom: 6px;
        }
        .step-content p {
            font-size: 14px;
            color: var(--text-mid);
            margin-bottom: 0;
        }
        .scene-footer-line {
            margin-top: 16px;
            padding-top: 16px;
            border-top: 1px solid rgba(245, 184, 46, 0.2);
            font-size: 14px;
            color: var(--text-low);
        }
        @media (max-width: 991px) {
            .scene-steps {
                padding: 32px;
            }
        }
        @media (max-width: 767px) {
            .scene-image {
                min-height: 240px;
            }
            .scene-steps {
                padding: 24px;
            }
            .step-item {
                gap: 14px;
                padding-bottom: 28px;
            }
        }

        /* 社会认同 */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-bottom: 48px;
        }
        .stat-item {
            text-align: center;
            padding: 32px 16px;
            background: var(--bg-glass);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            transition: all 0.3s ease;
        }
        .stat-item:hover {
            border-color: rgba(245, 184, 46, 0.4);
            transform: translateY(-4px);
            box-shadow: var(--shadow);
        }
        .stat-number {
            font-size: 40px;
            font-weight: 700;
            color: var(--accent);
            font-family: var(--font-num);
            margin-bottom: 8px;
        }
        .stat-label {
            font-size: 14px;
            color: var(--text-mid);
        }
        .testimonial-card {
            background: var(--bg-glass);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            padding: 32px;
            position: relative;
            transition: all 0.3s ease;
        }
        .testimonial-card::before {
            content: "\201C";
            font-size: 48px;
            color: var(--accent);
            font-family: Georgia, serif;
            position: absolute;
            top: 12px;
            left: 20px;
            opacity: 0.6;
        }
        .testimonial-card:hover {
            border-color: rgba(245, 184, 46, 0.3);
            box-shadow: var(--shadow);
        }
        .testimonial-card p {
            font-size: 15px;
            color: var(--text-mid);
            margin-bottom: 16px;
            padding-top: 16px;
        }
        .testimonial-card .author {
            font-size: 13px;
            color: var(--text-low);
        }
        @media (max-width: 767px) {
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stat-number {
                font-size: 32px;
            }
            .testimonial-card {
                padding: 20px;
            }
        }

        /* 资讯列表 CMS */
        .news-section {
            position: relative;
        }
        .news-header {
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
            margin-bottom: 40px;
            flex-wrap: wrap;
            gap: 16px;
        }
        .news-link-all {
            font-size: 14px;
            font-weight: 600;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap 0.3s ease;
        }
        .news-link-all:hover {
            gap: 10px;
            color: var(--accent);
        }
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .news-card {
            background: var(--bg-glass);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            padding: 28px;
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .news-card:hover {
            border-color: rgba(245, 184, 46, 0.4);
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .news-card .news-date {
            font-size: 12px;
            color: var(--text-low);
            margin-bottom: 12px;
        }
        .news-card h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-hi);
            margin-bottom: 10px;
            line-height: 1.4;
            transition: color 0.25s ease;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card:hover h3 {
            color: var(--accent);
        }
        .news-card p {
            font-size: 14px;
            color: var(--text-mid);
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex-grow: 1;
        }
        .news-card .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            padding-top: 16px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .news-card .category-badge {
            font-size: 12px;
            color: var(--accent);
            border: 1px solid rgba(245, 184, 46, 0.5);
            background: rgba(245, 184, 46, 0.08);
            border-radius: 6px;
            padding: 2px 10px;
            font-weight: 500;
        }
        .news-card .read-more {
            margin-left: auto;
            font-size: 13px;
            color: var(--text-low);
            transition: color 0.25s;
        }
        .news-card:hover .read-more {
            color: var(--accent);
        }
        .news-empty {
            grid-column: 1 / -1;
            text-align: center;
            padding: 60px 20px;
            background: var(--bg-glass);
            border: 1px dashed var(--glass-border);
            border-radius: var(--radius-lg);
            color: var(--text-low);
            font-size: 15px;
        }
        @media (max-width: 991.98px) {
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 767px) {
            .news-grid {
                grid-template-columns: 1fr;
            }
            .news-card {
                padding: 20px;
            }
        }

        /* FAQ */
        .faq-accordion .accordion-item {
            background: var(--bg-glass);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md) !important;
            margin-bottom: 16px;
            overflow: hidden;
            transition: all 0.3s ease;
        }
        .faq-accordion .accordion-item:has(.accordion-button:not(.collapsed)) {
            border-color: rgba(59, 130, 246, 0.4);
            box-shadow: 0 0 24px rgba(59, 130, 246, 0.15);
        }
        .faq-accordion .accordion-button {
            background: transparent;
            color: var(--text-hi);
            font-size: 16px;
            font-weight: 600;
            padding: 18px 24px;
            height: 56px;
            box-shadow: none;
            border: none;
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            background: rgba(59, 130, 246, 0.06);
            color: var(--text-hi);
        }
        .faq-accordion .accordion-button::after {
            background-image: none;
            content: "+";
            font-size: 22px;
            color: var(--accent);
            font-weight: 300;
            transform: rotate(0deg);
            transition: transform 0.3s ease;
            display: flex;
            align-items: center;
            justify-content: center;
            width: 24px;
            height: 24px;
        }
        .faq-accordion .accordion-button:not(.collapsed)::after {
            transform: rotate(45deg);
        }
        .faq-accordion .accordion-body {
            padding: 0 24px 20px;
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-mid);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            margin-top: 0;
        }
        .faq-accordion .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
            border-radius: var(--radius-md);
        }
        @media (max-width: 767px) {
            .faq-accordion .accordion-button {
                font-size: 15px;
                padding: 16px;
                height: auto;
                min-height: 56px;
            }
            .faq-accordion .accordion-body {
                padding: 0 16px 16px;
            }
        }

        /* CTA 区 */
        .cta-panel {
            background: var(--bg-panel);
            border-radius: 24px;
            padding: 64px;
            text-align: center;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .cta-panel::before {
            content: "";
            position: absolute;
            top: -80px;
            right: -80px;
            width: 240px;
            height: 240px;
            background: radial-gradient(circle, rgba(59, 130, 246, 0.15), transparent 70%);
        }
        .cta-panel .cta-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-hi);
            margin-bottom: 16px;
        }
        .cta-panel .cta-text {
            font-size: 16px;
            color: var(--text-mid);
            max-width: 560px;
            margin: 0 auto 32px;
        }
        .cta-panel .cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }
        @media (max-width: 767px) {
            .cta-panel {
                padding: 40px 20px;
            }
            .cta-panel .cta-title {
                font-size: 22px;
            }
            .cta-panel .cta-text {
                font-size: 14px;
            }
            .cta-panel .cta-buttons {
                flex-direction: column;
            }
            .cta-panel .cta-buttons .btn {
                width: 100%;
            }
        }

        /* 页脚 */
        .site-footer {
            background: #050A18;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 72px 0 40px;
            margin-top: 80px;
        }
        .footer-brand .brand-text {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-hi);
            margin-bottom: 8px;
        }
        .footer-brand .footer-desc {
            font-size: 14px;
            color: var(--text-low);
            max-width: 320px;
            margin-bottom: 16px;
        }
        .footer-brand .footer-divider {
            width: 48px;
            height: 2px;
            background: var(--accent);
            border-radius: 1px;
        }
        .footer-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-hi);
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            font-size: 14px;
            color: var(--text-mid);
            transition: color 0.25s ease, text-shadow 0.25s ease;
        }
        .footer-links a:hover {
            color: var(--accent);
            text-shadow: 0 0 8px rgba(245, 184, 46, 0.3);
        }
        .footer-contact li {
            display: flex;
            gap: 12px;
            align-items: center;
            font-size: 14px;
            color: var(--text-mid);
            margin-bottom: 14px;
        }
        .footer-contact i {
            color: var(--accent);
            font-size: 14px;
            width: 18px;
            text-align: center;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            margin-top: 48px;
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: var(--text-low);
        }
        @media (max-width: 767px) {
            .site-footer {
                padding: 48px 0 80px;
                margin-top: 56px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .footer-brand .footer-desc {
                max-width: 100%;
            }
        }

        /* 底部固定转化条 */
        .mobile-cta-bar {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            height: 64px;
            background: rgba(7, 13, 31, 0.92);
            backdrop-filter: blur(16px);
            border-top: 1px solid rgba(245, 184, 46, 0.5);
            z-index: 999;
            align-items: center;
            justify-content: space-between;
            padding: 0 20px;
            transform: translateY(100%);
            transition: transform 0.4s ease;
        }
        .mobile-cta-bar.show {
            transform: translateY(0);
        }
        .mobile-cta-bar .bar-text {
            font-size: 14px;
            color: var(--text-hi);
            font-weight: 500;
        }
        .mobile-cta-bar .bar-btn {
            background: linear-gradient(135deg, #3B82F6, #2563EB);
            color: #fff;
            border: none;
            border-radius: 10px;
            padding: 10px 22px;
            font-size: 14px;
            font-weight: 600;
            box-shadow: 0 0 16px rgba(59, 130, 246, 0.4);
        }
        .desktop-float-btn {
            display: flex;
            position: fixed;
            bottom: 32px;
            right: 32px;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, #3B82F6, #2563EB);
            color: #fff;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 20px rgba(59, 130, 246, 0.5);
            z-index: 999;
            text-decoration: none;
            transition: all 0.3s ease;
            font-size: 20px;
            overflow: hidden;
            white-space: nowrap;
        }
        .desktop-float-btn:hover {
            width: 180px;
            border-radius: 28px;
            background: linear-gradient(135deg, #60A5FA, #3B82F6);
            box-shadow: 0 6px 28px rgba(59, 130, 246, 0.6);
            color: #fff;
            gap: 8px;
        }
        .desktop-float-btn .float-text {
            font-size: 14px;
            font-weight: 600;
            opacity: 0;
            max-width: 0;
            transition: all 0.3s ease;
            display: inline-block;
        }
        .desktop-float-btn:hover .float-text {
            opacity: 1;
            max-width: 120px;
            margin-left: 8px;
        }
        @media (max-width: 767px) {
            .desktop-float-btn {
                display: none;
            }
            .mobile-cta-bar {
                display: flex;
            }
            body {
                padding-bottom: 64px;
            }
        }

        /* 图片占位说明 */
        .img-note {
            font-size: 12px;
            color: var(--text-low);
            text-align: center;
            margin-top: 8px;
        }

        /* prefers-reduced-motion */
        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                transition-duration: 0.01ms !important;
            }
            .hero .scroll-down {
                animation: none;
            }
            .selling-item:hover,
            .news-card:hover,
            .stat-item:hover,
            .testimonial-card:hover {
                transform: none;
            }
        }

/* roulang page: article */
:root {
            --bg-deep: #070D1F;
            --bg-panel: #0E1735;
            --bg-glass: rgba(16, 26, 60, 0.62);
            --bg-glass-strong: rgba(11, 19, 45, 0.88);
            --glass-border: rgba(170, 200, 255, 0.18);
            --primary: #3B82F6;
            --primary-light: #60A5FA;
            --primary-dark: #2563EB;
            --accent: #F5B82E;
            --accent-soft: rgba(245, 184, 46, 0.16);
            --text-hi: #EDF1FA;
            --text-mid: #A7B4D6;
            --text-low: #6B7A9E;
            --ok: #2FD6A5;
            --danger: #EF4444;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 12px;
            --radius-xs: 8px;
            --shadow-base: 0 10px 30px rgba(0, 0, 0, 0.35);
            --shadow-float: 0 18px 48px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 0 1px rgba(59, 130, 246, 0.3), 0 0 24px rgba(59, 130, 246, 0.12);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-num: "Inter", "Roboto", system-ui, sans-serif;
            --spacing-section: 100px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background: var(--bg-deep);
            color: var(--text-mid);
            line-height: 1.75;
            letter-spacing: 0.2px;
            min-height: 100vh;
            overflow-x: hidden;
            background-image: radial-gradient(ellipse at 15% 0%, rgba(59, 130, 246, 0.06), transparent 55%), radial-gradient(ellipse at 85% 90%, rgba(245, 184, 46, 0.03), transparent 50%);
            background-attachment: fixed;
        }

        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: color 0.25s ease, text-shadow 0.25s ease;
        }

        a:hover {
            color: var(--accent);
            text-shadow: 0 0 14px rgba(245, 184, 46, 0.4);
        }

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

        .container {
            max-width: 1140px;
            padding-left: 20px;
            padding-right: 20px;
        }

        section {
            padding: var(--spacing-section) 0;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1080;
            height: 72px;
            background: rgba(7, 13, 31, 0.88);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid transparent;
            background-clip: padding-box;
            box-shadow: 0 1px 0 rgba(255, 255, 255, 0.02);
        }

        .site-header::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.8), rgba(245, 184, 46, 0.9), transparent);
            box-shadow: 0 2px 8px rgba(245, 184, 46, 0.15);
        }

        .navbar {
            min-height: 72px;
            padding-top: 0;
            padding-bottom: 0;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
            position: relative;
        }

        .logo-icon {
            position: relative;
            width: 28px;
            height: 28px;
            display: inline-block;
        }

        .logo-icon .ring {
            position: absolute;
            top: 2px;
            left: 2px;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            border: 2px solid var(--accent);
        }

        .logo-icon .dot {
            position: absolute;
            top: 9px;
            left: 9px;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
            box-shadow: 0 0 10px rgba(245, 184, 46, 0.6);
        }

        .logo-icon .rays {
            position: absolute;
            top: 3px;
            right: 0;
            width: 16px;
            height: 22px;
            border-left: 2px solid var(--accent);
            border-radius: 50%;
            transform: rotate(20deg);
        }

        .logo-icon .rays::before {
            content: '';
            position: absolute;
            top: 8px;
            right: -5px;
            width: 10px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
            transform: rotate(-40deg);
        }

        .logo-icon .rays::after {
            content: '';
            position: absolute;
            top: 15px;
            right: -4px;
            width: 8px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
            transform: rotate(-20deg);
        }

        .brand-text {
            font-family: var(--font-sans);
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.5px;
            line-height: 1.2;
            position: relative;
        }

        .brand-text::after {
            content: '';
            position: absolute;
            bottom: -3px;
            left: 0;
            width: 24px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
            opacity: 0.8;
        }

        .navbar-nav {
            gap: 4px;
        }

        .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-mid) !important;
            padding: 8px 14px !important;
            border-radius: 8px;
            transition: color 0.25s ease, text-shadow 0.25s ease, background 0.25s ease;
            position: relative;
        }

        .nav-link:hover {
            color: #fff !important;
            text-shadow: 0 0 12px rgba(96, 165, 250, 0.6);
        }

        .nav-link.active {
            color: var(--text-hi) !important;
            text-shadow: 0 0 12px rgba(96, 165, 250, 0.4);
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0px;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 3px;
            border-radius: 3px;
            background: var(--accent);
            box-shadow: 0 0 12px rgba(245, 184, 46, 0.5);
        }

        .btn-vip {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 22px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff !important;
            font-size: 15px;
            font-weight: 600;
            border-radius: 12px;
            border: none;
            text-decoration: none;
            box-shadow: 0 0 20px rgba(59, 130, 246, 0.4);
            transition: all 0.25s ease;
            white-space: nowrap;
        }

        .btn-vip:hover {
            background: linear-gradient(135deg, var(--primary-light), var(--primary));
            box-shadow: 0 0 28px rgba(59, 130, 246, 0.6);
            transform: translateY(-1px);
            color: #fff;
            text-shadow: none;
        }

        .btn-vip:active {
            transform: translateY(0);
        }

        .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 10px;
            padding: 6px 10px;
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(237,241,250,0.9)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* ===== Article Page Hero ===== */
        .article-page-hero {
            padding: 148px 0 56px;
            position: relative;
            background: linear-gradient(180deg, rgba(59, 130, 246, 0.14), transparent 70%);
        }

        .article-breadcrumb {
            font-size: 13px;
            color: var(--text-low);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px;
            margin-bottom: 28px;
        }

        .article-breadcrumb a {
            color: var(--text-low);
            transition: color 0.2s ease;
        }

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

        .article-breadcrumb .sep {
            color: var(--text-low);
            opacity: 0.5;
        }

        .article-breadcrumb .current {
            color: var(--text-hi);
            max-width: 320px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .article-h1 {
            font-size: clamp(28px, 4vw, 36px);
            font-weight: 700;
            color: var(--text-hi);
            line-height: 1.3;
            letter-spacing: 0.5px;
            max-width: 820px;
            margin-bottom: 20px;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 14px;
            font-size: 13px;
            color: var(--text-low);
        }

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

        .article-meta .meta-item i {
            font-size: 12px;
            color: var(--accent);
        }

        .article-meta .divider {
            width: 3px;
            height: 3px;
            border-radius: 50%;
            background: var(--text-low);
            opacity: 0.5;
            display: inline-block;
        }

        /* ===== Article Body ===== */
        .article-body-section {
            padding: 32px 0 64px;
        }

        .article-body-wrap {
            max-width: 780px;
            margin: 0 auto;
        }

        .cms-article-content {
            color: var(--text-mid);
        }

        .cms-article-content p {
            font-size: 16px;
            line-height: 1.85;
            margin-bottom: 24px;
            color: var(--text-mid);
        }

        .cms-article-content h2 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-hi);
            margin-top: 40px;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
            line-height: 1.4;
        }

        .cms-article-content h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-hi);
            margin-top: 32px;
            margin-bottom: 12px;
            letter-spacing: 0.4px;
        }

        .cms-article-content h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-hi);
            margin-top: 24px;
            margin-bottom: 10px;
        }

        .cms-article-content a {
            color: var(--primary-light);
            border-bottom: 1px solid rgba(96, 165, 250, 0.3);
            transition: all 0.2s ease;
        }

        .cms-article-content a:hover {
            color: var(--accent);
            border-bottom-color: rgba(245, 184, 46, 0.4);
            text-shadow: 0 0 12px rgba(245, 184, 46, 0.2);
        }

        .cms-article-content img {
            max-width: 100%;
            border-radius: 12px;
            margin: 28px 0;
            box-shadow: var(--shadow-base);
        }

        .cms-article-content blockquote {
            border-left: 3px solid var(--accent);
            background: rgba(245, 184, 46, 0.06);
            padding: 16px 20px;
            border-radius: 0 8px 8px 0;
            margin: 24px 0;
            color: var(--text-mid);
            font-size: 15px;
            line-height: 1.75;
        }

        .cms-article-content blockquote p {
            margin-bottom: 8px;
        }

        .cms-article-content blockquote p:last-child {
            margin-bottom: 0;
        }

        .cms-article-content ul,
        .cms-article-content ol {
            margin-bottom: 24px;
            padding-left: 22px;
        }

        .cms-article-content ul li,
        .cms-article-content ol li {
            font-size: 16px;
            line-height: 1.8;
            margin-bottom: 6px;
            color: var(--text-mid);
        }

        .cms-article-content ul {
            list-style: none;
            padding-left: 0;
        }

        .cms-article-content ul li {
            position: relative;
            padding-left: 22px;
        }

        .cms-article-content ul li::before {
            content: '';
            position: absolute;
            left: 4px;
            top: 12px;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
            box-shadow: 0 0 6px rgba(245, 184, 46, 0.4);
        }

        .cms-article-content ol {
            list-style: none;
            counter-reset: article-ol;
            padding-left: 0;
        }

        .cms-article-content ol li {
            counter-increment: article-ol;
            position: relative;
            padding-left: 34px;
        }

        .cms-article-content ol li::before {
            content: counter(article-ol);
            position: absolute;
            left: 0;
            top: 3px;
            width: 22px;
            height: 22px;
            border-radius: 50%;
            background: rgba(59, 130, 246, 0.18);
            color: var(--accent);
            font-size: 13px;
            font-weight: 700;
            font-family: var(--font-num);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .cms-article-content table {
            width: 100%;
            margin: 28px 0;
            border-collapse: collapse;
            border-radius: 12px;
            overflow: hidden;
            font-size: 14px;
        }

        .cms-article-content table th {
            background: var(--bg-panel);
            color: var(--text-hi);
            font-weight: 600;
            padding: 12px 16px;
            text-align: left;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .cms-article-content table td {
            padding: 10px 16px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            color: var(--text-mid);
        }

        .cms-article-content table tr:last-child td {
            border-bottom: none;
        }

        .cms-article-content code {
            background: var(--bg-panel);
            padding: 2px 8px;
            border-radius: 6px;
            font-size: 14px;
            color: var(--accent);
            font-family: var(--font-num);
        }

        .cms-article-content pre {
            background: var(--bg-panel);
            border-radius: 12px;
            padding: 20px;
            margin: 24px 0;
            overflow-x: auto;
            border: 1px solid rgba(255, 255, 255, 0.06);
        }

        .cms-article-content pre code {
            background: transparent;
            padding: 0;
            color: var(--text-mid);
        }

        .cms-article-content hr {
            border: none;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin: 40px 0;
        }

        .article-not-found {
            text-align: center;
            padding: 80px 0;
            color: var(--text-mid);
        }

        .article-not-found .nf-icon {
            font-size: 56px;
            color: var(--accent);
            margin-bottom: 24px;
            opacity: 0.7;
        }

        .article-not-found h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-hi);
            margin-bottom: 16px;
        }

        .article-not-found p {
            margin-bottom: 32px;
        }

        .article-not-found .btn-back-home {
            padding: 12px 32px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            font-weight: 600;
            border: none;
            transition: all 0.25s ease;
            display: inline-block;
            text-decoration: none;
        }

        .article-not-found .btn-back-home:hover {
            box-shadow: 0 0 24px rgba(59, 130, 246, 0.5);
            transform: translateY(-1px);
            color: #fff;
            text-shadow: none;
        }

        .article-tags {
            margin-top: 40px;
            padding-top: 28px;
            border-top: 1px solid rgba(255, 255, 255, 0.07);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 10px;
        }

        .article-tags .tag-label {
            font-size: 14px;
            color: var(--text-low);
            font-weight: 500;
        }

        .article-tags .tag-badge {
            display: inline-block;
            padding: 4px 14px;
            background: var(--accent-soft);
            border: 1px solid rgba(245, 184, 46, 0.5);
            border-radius: 8px;
            color: var(--accent);
            font-size: 13px;
            font-weight: 500;
            transition: all 0.25s ease;
        }

        .article-tags .tag-badge:hover {
            background: rgba(245, 184, 46, 0.22);
            box-shadow: 0 0 16px rgba(245, 184, 46, 0.15);
        }

        /* ===== Related Section ===== */
        .related-section {
            padding: 48px 0 80px;
            background: rgba(14, 23, 53, 0.3);
        }

        .related-section .section-heading {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-hi);
            margin-bottom: 36px;
            position: relative;
            padding-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .related-section .section-heading::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 48px;
            height: 3px;
            border-radius: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
        }

        .related-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .related-card {
            display: flex;
            align-items: center;
            gap: 20px;
            background: var(--bg-glass);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            padding: 20px;
            transition: all 0.3s ease;
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
        }

        .related-card:hover {
            border-color: rgba(245, 184, 46, 0.4);
            box-shadow: var(--shadow-float);
            transform: translateY(-3px);
        }

        .related-card .related-thumb {
            width: 160px;
            height: 100px;
            border-radius: 10px;
            overflow: hidden;
            flex-shrink: 0;
            background: var(--bg-panel);
            position: relative;
        }

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

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

        .related-card .related-info {
            flex: 1;
            min-width: 0;
        }

        .related-card .related-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-hi);
            margin-bottom: 8px;
            line-height: 1.4;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            transition: color 0.25s ease;
        }

        .related-card .related-title:hover {
            color: var(--accent);
            text-shadow: 0 0 10px rgba(245, 184, 46, 0.2);
        }

        .related-card .related-desc {
            font-size: 14px;
            color: var(--text-mid);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 10px;
        }

        .related-card .related-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 12px;
            color: var(--text-low);
        }

        .related-card .related-meta .cat-badge {
            display: inline-block;
            padding: 2px 10px;
            background: var(--accent-soft);
            border: 1px solid rgba(245, 184, 46, 0.4);
            border-radius: 6px;
            color: var(--accent);
            font-size: 12px;
        }

        /* ===== Article Pager ===== */
        .article-pager-section {
            padding: 56px 0 80px;
        }

        .article-pager {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: space-between;
            align-items: center;
        }

        .btn-outline-vip {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.3);
            color: var(--text-mid) !important;
            border-radius: 12px;
            font-size: 14px;
            font-weight: 600;
            transition: all 0.25s ease;
            text-decoration: none;
        }

        .btn-outline-vip:hover {
            border-color: rgba(245, 184, 46, 0.6);
            color: var(--accent) !important;
            box-shadow: 0 0 20px rgba(245, 184, 46, 0.15);
            transform: translateY(-1px);
            text-shadow: none;
        }

        .btn-outline-vip i {
            font-size: 13px;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            padding: 80px 0;
            background: linear-gradient(180deg, rgba(59, 130, 246, 0.08), transparent);
            position: relative;
        }

        .cta-box {
            background: var(--bg-glass);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            padding: 56px 48px;
            text-align: center;
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            position: relative;
            overflow: hidden;
        }

        .cta-box::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 120px;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--accent), transparent);
        }

        .cta-box h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--text-hi);
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .cta-box p {
            font-size: 15px;
            color: var(--text-mid);
            margin-bottom: 32px;
            max-width: 520px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-box .cta-btn-group {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }

        .btn-primary-vip {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 34px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff !important;
            border-radius: 12px;
            font-size: 15px;
            font-weight: 600;
            border: none;
            text-decoration: none;
            box-shadow: 0 0 24px rgba(59, 130, 246, 0.4);
            transition: all 0.3s ease;
        }

        .btn-primary-vip:hover {
            box-shadow: 0 0 36px rgba(59, 130, 246, 0.6);
            transform: translateY(-2px);
            color: #fff;
            text-shadow: none;
        }

        .btn-primary-vip:active {
            transform: translateY(0);
        }

        .cta-note {
            margin-top: 20px;
            font-size: 13px;
            color: var(--text-low);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #050A18;
            padding: 72px 0 40px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand .brand-text {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-hi);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .footer-desc {
            font-size: 14px;
            color: var(--text-low);
            line-height: 1.7;
            margin-bottom: 16px;
            max-width: 320px;
        }

        .footer-divider {
            width: 40px;
            height: 2px;
            background: linear-gradient(90deg, var(--accent), transparent);
            border-radius: 2px;
        }

        .footer-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-hi);
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }

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

        .footer-links li {
            margin-bottom: 12px;
        }

        .footer-links a {
            font-size: 14px;
            color: var(--text-mid);
            transition: all 0.25s ease;
            text-decoration: none;
        }

        .footer-links a:hover {
            color: var(--accent);
            text-shadow: 0 0 10px rgba(245, 184, 46, 0.3);
            padding-left: 4px;
        }

        .footer-contact li {
            font-size: 14px;
            color: var(--text-mid);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer-contact i {
            font-size: 13px;
            color: var(--accent);
            width: 18px;
            text-align: center;
        }

        .footer-bottom {
            margin-top: 56px;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            color: var(--text-low);
        }

        /* ===== Floating Button / Mobile Bottom Bar ===== */
        .desktop-float-btn {
            position: fixed;
            right: 28px;
            bottom: 28px;
            z-index: 1070;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            box-shadow: 0 0 24px rgba(59, 130, 246, 0.5);
            transition: all 0.3s ease;
            text-decoration: none;
            overflow: hidden;
            white-space: nowrap;
        }

        .desktop-float-btn span {
            display: none;
            font-size: 14px;
            font-weight: 600;
            margin-left: 8px;
        }

        .desktop-float-btn:hover {
            width: 168px;
            border-radius: 32px;
            color: #fff;
            text-shadow: none;
        }

        .desktop-float-btn:hover span {
            display: inline;
        }

        .mobile-bottom-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 1085;
            height: 64px;
            background: rgba(7, 13, 31, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-top: 1px solid rgba(245, 184, 46, 0.25);
            display: none;
            align-items: center;
            justify-content: space-between;
            padding: 0 20px;
        }

        .mobile-bottom-bar .m-bar-txt {
            font-size: 14px;
            color: var(--text-hi);
            font-weight: 500;
        }

        .mobile-bottom-bar .m-bar-txt i {
            color: var(--accent);
            margin-right: 8px;
        }

        .mobile-bottom-bar .btn-m-bar {
            padding: 9px 24px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            border-radius: 12px;
            font-size: 14px;
            font-weight: 600;
            border: none;
            text-decoration: none;
            box-shadow: 0 0 16px rgba(59, 130, 246, 0.4);
            transition: all 0.25s ease;
        }

        .mobile-bottom-bar .btn-m-bar:hover {
            box-shadow: 0 0 24px rgba(59, 130, 246, 0.6);
            color: #fff;
            text-shadow: none;
        }

        /* ===== Responsive ===== */
        @media (max-width: 991.98px) {
            .navbar-collapse {
                background: var(--bg-glass-strong);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                border: 1px solid var(--glass-border);
                border-radius: 14px;
                padding: 20px;
                margin-top: 12px;
                box-shadow: var(--shadow-float);
            }

            .navbar-nav {
                gap: 6px;
                margin-bottom: 12px;
            }

            .nav-link {
                padding: 12px 16px !important;
                border-radius: 10px;
            }

            .nav-link.active::after {
                left: 16px;
                transform: none;
                width: 20px;
            }

            .btn-vip.ms-lg-4 {
                margin-left: 0 !important;
                width: 100%;
                justify-content: center;
            }

            .related-card .related-thumb {
                width: 120px;
                height: 80px;
            }
        }

        @media (max-width: 767.98px) {
            :root {
                --spacing-section: 56px;
            }

            .article-page-hero {
                padding: 120px 0 40px;
            }

            .article-h1 {
                font-size: 22px;
                line-height: 1.35;
            }

            .article-breadcrumb {
                font-size: 12px;
                margin-bottom: 20px;
            }

            .article-body-section {
                padding: 24px 0 40px;
            }

            .cms-article-content p {
                font-size: 15px;
                line-height: 1.8;
            }

            .cms-article-content h2 {
                font-size: 18px;
            }

            .cms-article-content h3 {
                font-size: 16px;
            }

            .cms-article-content img {
                border-radius: 10px;
                margin: 20px 0;
            }

            .related-section .section-heading {
                font-size: 22px;
                margin-bottom: 24px;
            }

            .related-card {
                flex-direction: column;
                align-items: stretch;
                padding: 16px;
                gap: 12px;
            }

            .related-card .related-thumb {
                width: 100%;
                height: 160px;
            }

            .related-card .related-title {
                font-size: 15px;
            }

            .article-pager {
                flex-direction: column;
                gap: 12px;
                align-items: stretch;
            }

            .btn-outline-vip {
                justify-content: center;
            }

            .cta-box {
                padding: 36px 20px;
            }

            .cta-box h2 {
                font-size: 24px;
            }

            .cta-btn-group {
                flex-direction: column;
                width: 100%;
            }

            .btn-primary-vip {
                width: 100%;
                justify-content: center;
            }

            .site-footer {
                padding: 56px 0 96px;
            }

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

            .mobile-bottom-bar {
                display: flex;
            }

            .desktop-float-btn {
                display: none;
            }

            .article-tags {
                gap: 8px;
                margin-top: 32px;
            }
        }

        @media (max-width: 520px) {
            .brand-text {
                font-size: 15px;
            }

            .logo-icon {
                width: 24px;
                height: 24px;
            }

            .related-card .related-thumb {
                height: 130px;
            }

            .article-breadcrumb .current {
                max-width: 140px;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                transition: none !important;
                animation: none !important;
                scroll-behavior: auto !important;
            }
        }

        /* ===== Scrollbar ===== */
        ::-webkit-scrollbar {
            width: 8px;
            height: 8px;
        }

        ::-webkit-scrollbar-track {
            background: transparent;
        }

        ::-webkit-scrollbar-thumb {
            background: #1A2447;
            border-radius: 4px;
        }

        ::-webkit-scrollbar-thumb:hover {
            background: #25315C;
        }

/* roulang page: category1 */
/* ========== 1. 设计变量 ========== */
        :root {
            --bg-deep: #070D1F;
            --bg-panel: #0E1735;
            --bg-glass: rgba(16, 26, 60, 0.62);
            --glass-border: rgba(170, 200, 255, 0.18);
            --primary: #3B82F6;
            --primary-light: #60A5FA;
            --accent: #F5B82E;
            --accent-soft: rgba(245, 184, 46, 0.16);
            --text-hi: #EDF1FA;
            --text-mid: #A7B4D6;
            --text-low: #6B7A9E;
            --ok: #2FD6A5;
            --danger: #EF4444;
            --border-white: rgba(255, 255, 255, 0.08);
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 12px;
            --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.35);
            --shadow-float: 0 18px 48px rgba(0, 0, 0, 0.5);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-num: "Inter", "Roboto", system-ui, sans-serif;
            --nav-height: 72px;
            --section-space: 100px;
        }

        /* ========== 2. 基础重置 ========== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.75;
            letter-spacing: 0.2px;
            color: var(--text-mid);
            background: var(--bg-deep);
            background-image: radial-gradient(circle at 8% 4%, rgba(59, 130, 246, 0.05), transparent 420px), radial-gradient(circle at 92% 96%, rgba(245, 184, 46, 0.03), transparent 380px);
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: color 0.3s ease, text-shadow 0.3s ease;
        }
        a:hover {
            color: var(--primary-light);
            text-shadow: 0 0 12px rgba(96, 165, 250, 0.4);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        ul,
        ol {
            list-style: none;
        }
        button,
        input,
        textarea {
            font-family: inherit;
        }
        .container {
            max-width: 1140px;
        }

        /* ========== 3. 滚动条 ========== */
        ::-webkit-scrollbar {
            width: 8px;
            height: 8px;
        }
        ::-webkit-scrollbar-track {
            background: transparent;
        }
        ::-webkit-scrollbar-thumb {
            background: #1A2447;
            border-radius: 4px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #2A3A6A;
        }

        /* ========== 4. 顶部导航 ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: rgba(7, 13, 31, 0.88);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid transparent;
        }
        .site-header::after {
            content: "";
            position: absolute;
            left: 0;
            right: 0;
            bottom: -1px;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.8), rgba(245, 184, 46, 0.9), transparent);
            box-shadow: 0 4px 16px rgba(59, 130, 246, 0.12);
        }
        .site-header .container {
            height: 100%;
        }
        .site-header .navbar {
            height: 100%;
            padding: 0;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            text-decoration: none;
        }
        .logo-icon {
            position: relative;
            display: inline-block;
            width: 24px;
            height: 24px;
            margin-right: 12px;
            flex-shrink: 0;
        }
        .logo-icon .ring {
            position: absolute;
            width: 16px;
            height: 16px;
            border: 2px solid var(--accent);
            border-radius: 50%;
            top: 3px;
            left: 0;
        }
        .logo-icon .dot {
            position: absolute;
            width: 5px;
            height: 5px;
            border-radius: 50%;
            background: var(--accent);
            top: 9px;
            left: 6px;
            box-shadow: 0 0 8px rgba(245, 184, 46, 0.6);
        }
        .logo-icon .rays {
            position: absolute;
            width: 6px;
            height: 2px;
            background: var(--accent);
            top: 6px;
            right: 0;
            border-radius: 2px;
            box-shadow: 0 5px 0 rgba(245, 184, 46, 0.55), 0 10px 0 rgba(245, 184, 46, 0.28);
        }
        .brand-text {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-hi);
            letter-spacing: 0.5px;
            position: relative;
            white-space: nowrap;
        }
        .brand-text::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -7px;
            width: 22px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }
        .navbar-nav .nav-item {
            margin: 0 10px;
        }
        .navbar-nav .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-mid);
            padding: 8px 4px;
            position: relative;
            transition: color 0.3s ease, text-shadow 0.3s ease;
            letter-spacing: 0.3px;
        }
        .navbar-nav .nav-link:hover {
            color: #fff;
            text-shadow: 0 0 12px rgba(96, 165, 250, 0.6);
        }
        .navbar-nav .nav-link.active {
            color: var(--text-hi);
            text-shadow: 0 0 10px rgba(96, 165, 250, 0.25);
        }
        .navbar-nav .nav-link.active::after {
            content: "";
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            bottom: -3px;
            width: 24px;
            height: 3px;
            background: var(--accent);
            border-radius: 3px;
            box-shadow: 0 0 10px rgba(245, 184, 46, 0.3);
        }
        .btn-vip {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, #3B82F6, #2563EB);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            border-radius: 12px;
            padding: 10px 22px;
            border: none;
            box-shadow: 0 0 20px rgba(59, 130, 246, 0.4);
            transition: background 0.3s ease, box-shadow 0.3s ease, transform 0.2s ease;
            white-space: nowrap;
            text-decoration: none;
        }
        .btn-vip:hover {
            background: linear-gradient(135deg, #60A5FA, #3B82F6);
            color: #fff;
            text-shadow: none;
            box-shadow: 0 0 28px rgba(59, 130, 246, 0.6);
            transform: translateY(-1px);
        }
        .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 8px;
            padding: 6px 10px;
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(237,241,250,0.9)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
            width: 1.3em;
            height: 1.3em;
        }

        /* ========== 5. 通用按钮 ========== */
        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, #3B82F6, #2563EB);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            border-radius: 12px;
            padding: 12px 28px;
            border: none;
            box-shadow: 0 0 20px rgba(59, 130, 246, 0.3);
            transition: all 0.3s ease;
            text-decoration: none;
            cursor: pointer;
        }
        .btn-primary-custom:hover {
            background: linear-gradient(135deg, #60A5FA, #3B82F6);
            color: #fff;
            text-shadow: none;
            box-shadow: 0 0 28px rgba(59, 130, 246, 0.5);
            transform: translateY(-1px);
        }
        .btn-primary-custom:active {
            transform: translateY(0);
        }
        .btn-outline-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            color: var(--text-hi);
            font-size: 15px;
            font-weight: 600;
            border-radius: 12px;
            padding: 12px 28px;
            border: 1px solid rgba(255, 255, 255, 0.4);
            transition: all 0.3s ease;
            text-decoration: none;
        }
        .btn-outline-custom:hover {
            border-color: var(--accent);
            color: var(--accent);
            text-shadow: none;
            background: rgba(245, 184, 46, 0.06);
        }
        .btn-outline-custom:active {
            transform: translateY(0);
        }

        /* ========== 6. 页面横幅 ========== */
        .page-banner {
            position: relative;
            padding: 160px 0 80px;
            background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
            background-color: var(--bg-panel);
            overflow: hidden;
        }
        /* 图片占位: 建议尺寸 1200x800 */
        .page-banner::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(7, 13, 31, 0.94) 0%, rgba(7, 13, 31, 0.78) 55%, rgba(7, 13, 31, 0.55) 100%);
            z-index: 1;
        }
        .page-banner::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(59, 130, 246, 0.12), transparent 70%);
            z-index: 1;
        }
        .page-banner .container {
            position: relative;
            z-index: 2;
        }
        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-low);
            margin-bottom: 20px;
        }
        .breadcrumb-nav a {
            color: var(--text-low);
            transition: color 0.3s ease;
        }
        .breadcrumb-nav a:hover {
            color: var(--primary-light);
            text-shadow: none;
        }
        .breadcrumb-nav .sep {
            color: rgba(255, 255, 255, 0.2);
        }
        .breadcrumb-nav .current {
            color: var(--text-hi);
            font-weight: 500;
        }
        .page-title {
            font-size: 34px;
            font-weight: 700;
            color: var(--text-hi);
            line-height: 1.3;
            letter-spacing: 0.5px;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 18px;
        }
        .page-title::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 48px;
            height: 3px;
            background: var(--accent);
            border-radius: 3px;
            box-shadow: 0 0 12px rgba(245, 184, 46, 0.35);
        }
        .page-subtitle {
            font-size: 15px;
            color: var(--text-mid);
            max-width: 620px;
            line-height: 1.8;
        }

        /* ========== 7. 板块标题 ========== */
        .section-block {
            padding: var(--section-space) 0;
        }
        .section-block.alt-bg {
            background: rgba(14, 23, 53, 0.3);
        }
        .section-header {
            margin-bottom: 48px;
        }
        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            letter-spacing: 1px;
            margin-bottom: 14px;
        }
        .section-tag::before {
            content: "";
            width: 22px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
            display: inline-block;
        }
        .section-title {
            font-size: 30px;
            font-weight: 700;
            color: var(--text-hi);
            line-height: 1.35;
            letter-spacing: 0.5px;
            margin-bottom: 14px;
        }
        .section-desc {
            font-size: 15px;
            color: var(--text-mid);
            max-width: 640px;
            line-height: 1.8;
        }

        /* ========== 8. 数据栏 ========== */
        .stats-band {
            padding: 56px 0;
            background: linear-gradient(90deg, rgba(14, 23, 53, 0.5), rgba(14, 23, 53, 0.25)), transparent;
            border-top: 1px solid var(--border-white);
            border-bottom: 1px solid var(--border-white);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
        }
        .stat-item {
            text-align: center;
            padding: 20px 12px;
            position: relative;
        }
        .stat-item + .stat-item::before {
            content: "";
            position: absolute;
            left: 0;
            top: 20%;
            height: 60%;
            width: 1px;
            background: rgba(255, 255, 255, 0.08);
        }
        .stat-number {
            font-family: var(--font-num);
            font-size: 40px;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.2;
            letter-spacing: 0.5px;
        }
        .stat-label {
            font-size: 14px;
            color: var(--text-mid);
            margin-top: 8px;
        }

        /* ========== 9. 时间线 ========== */
        .timeline {
            position: relative;
            padding-left: 48px;
            max-width: 860px;
        }
        .timeline::before {
            content: "";
            position: absolute;
            left: 15px;
            top: 4px;
            bottom: 4px;
            width: 2px;
            background: linear-gradient(180deg, var(--primary), rgba(245, 184, 46, 0.6), transparent);
            border-radius: 2px;
        }
        .timeline-item {
            position: relative;
            padding: 0 0 44px 8px;
        }
        .timeline-item:last-child {
            padding-bottom: 0;
        }
        .timeline-item::before {
            content: "";
            position: absolute;
            left: -36px;
            top: 8px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--accent);
            box-shadow: 0 0 0 4px var(--accent-soft), 0 0 16px rgba(245, 184, 46, 0.3);
        }
        .timeline-year {
            font-family: var(--font-num);
            font-size: 18px;
            font-weight: 700;
            color: var(--accent);
            letter-spacing: 0.5px;
            margin-bottom: 6px;
        }
        .timeline-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-hi);
            margin-bottom: 8px;
        }
        .timeline-desc {
            font-size: 14px;
            color: var(--text-mid);
            line-height: 1.75;
            max-width: 680px;
        }

        /* ========== 10. 业务卡片 ========== */
        .business-offset .row {
            align-items: flex-start;
            --bs-gutter-y: 32px;
        }
        .business-card {
            background: var(--bg-glass);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            padding: 32px;
            height: 100%;
            position: relative;
            overflow: hidden;
            transition: border-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
        }
        .business-card::before {
            content: "";
            position: absolute;
            left: 0;
            top: 0;
            width: 3px;
            height: 56px;
            background: var(--accent);
            border-radius: 0 3px 3px 0;
        }
        .business-card:hover {
            border-color: rgba(245, 184, 46, 0.4);
            transform: translateY(-4px);
            box-shadow: var(--shadow-float);
        }
        .business-offset .col-lg-6:nth-child(2) .business-card {
            margin-top: 48px;
        }
        .business-card-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: rgba(59, 130, 246, 0.16);
            border: 1px solid rgba(59, 130, 246, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-light);
            font-size: 22px;
            margin-bottom: 20px;
            box-shadow: 0 0 20px rgba(59, 130, 246, 0.1);
        }
        .business-card-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-hi);
            margin-bottom: 12px;
            letter-spacing: 0.3px;
        }
        .business-card-desc {
            font-size: 14px;
            color: var(--text-mid);
            line-height: 1.75;
        }
        .business-wide-wrap {
            margin-top: 48px;
        }
        .business-wide {
            max-width: 72%;
            margin: 0 auto;
        }
        .business-wide .business-card {
            background: linear-gradient(135deg, rgba(16, 26, 60, 0.85), rgba(14, 23, 53, 0.65));
            border-color: rgba(245, 184, 46, 0.22);
        }
        .business-wide .business-card::before {
            height: 100%;
            width: 3px;
            border-radius: 0 3px 3px 0;
        }

        /* ========== 11. 服务升级图文 ========== */
        .split-block {
            display: flex;
            align-items: center;
            gap: 48px;
        }
        .split-media {
            flex: 0 0 46%;
            border-radius: var(--radius-lg);
            overflow: hidden;
            position: relative;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-white);
        }
        .split-media img {
            width: 100%;
            height: 340px;
            object-fit: cover;
        }
        .split-media::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 60%, rgba(7, 13, 31, 0.4));
        }
        .split-content {
            flex: 1;
        }
        .split-content .section-title {
            font-size: 26px;
        }
        .split-points {
            margin-top: 24px;
        }
        .split-point {
            display: flex;
            gap: 16px;
            padding: 16px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }
        .split-point:last-child {
            border-bottom: none;
        }
        .split-point-icon {
            flex-shrink: 0;
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: rgba(245, 184, 46, 0.1);
            border: 1px solid rgba(245, 184, 46, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 16px;
        }
        .split-point-body {
            flex: 1;
        }
        .split-point-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-hi);
            margin-bottom: 4px;
        }
        .split-point-desc {
            font-size: 14px;
            color: var(--text-mid);
            line-height: 1.7;
        }

        /* ========== 12. 资讯列表 ========== */
        .news-list-card {
            display: flex;
            gap: 20px;
            background: var(--bg-glass);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            padding: 20px;
            transition: border-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
            height: 100%;
        }
        .news-list-card:hover {
            border-color: rgba(245, 184, 46, 0.4);
            transform: translateY(-4px);
            box-shadow: var(--shadow-float);
        }
        .news-thumb {
            width: 120px;
            height: 88px;
            object-fit: cover;
            border-radius: 8px;
            flex-shrink: 0;
            border: 1px solid var(--border-white);
        }
        .news-content {
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .news-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 8px;
        }
        .news-date {
            font-size: 12px;
            color: var(--text-low);
            font-family: var(--font-num);
        }
        .news-badge {
            display: inline-flex;
            align-items: center;
            font-size: 12px;
            color: var(--accent);
            background: rgba(245, 184, 46, 0.08);
            border: 1px solid rgba(245, 184, 46, 0.5);
            border-radius: 6px;
            padding: 1px 10px;
            font-weight: 500;
            white-space: nowrap;
        }
        .news-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-hi);
            line-height: 1.4;
            margin-bottom: 6px;
            transition: color 0.3s ease;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-list-card:hover .news-title {
            color: var(--accent);
        }
        .news-excerpt {
            font-size: 13px;
            color: var(--text-mid);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }
        .news-link {
            margin-top: 10px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary-light);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: color 0.3s ease;
        }
        .news-link i {
            transition: transform 0.3s ease;
        }
        .news-link:hover {
            color: var(--accent);
            text-shadow: none;
        }
        .news-link:hover i {
            transform: translateX(4px);
        }

        /* ========== 13. CTA 区域 ========== */
        .cta-section {
            padding: 84px 0 96px;
            position: relative;
            background: linear-gradient(180deg, rgba(59, 130, 246, 0.08), transparent), rgba(14, 23, 53, 0.35);
            border-top: 1px solid var(--border-white);
        }
        .cta-inner {
            text-align: center;
            max-width: 640px;
            margin: 0 auto;
        }
        .cta-title {
            font-size: 30px;
            font-weight: 700;
            color: var(--text-hi);
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }
        .cta-desc {
            font-size: 15px;
            color: var(--text-mid);
            margin-bottom: 32px;
            line-height: 1.8;
        }
        .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .cta-info {
            font-size: 13px;
            color: var(--text-low);
            margin-top: 20px;
        }

        /* ========== 14. 页脚 ========== */
        .site-footer {
            background: #050A18;
            padding: 72px 0 40px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-brand .brand-text {
            font-size: 18px;
            color: var(--text-hi);
            display: inline-block;
            margin-bottom: 6px;
        }
        .footer-desc {
            font-size: 14px;
            color: var(--text-low);
            line-height: 1.8;
            margin-top: 12px;
            max-width: 320px;
        }
        .footer-divider {
            width: 36px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
            margin-top: 18px;
        }
        .footer-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-hi);
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-title::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 24px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            font-size: 14px;
            color: var(--text-mid);
            transition: color 0.3s ease, text-shadow 0.3s ease;
        }
        .footer-links a:hover {
            color: var(--accent);
            text-shadow: 0 0 10px rgba(245, 184, 46, 0.3);
        }
        .footer-contact li {
            font-size: 14px;
            color: var(--text-mid);
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 10px;
        }
        .footer-contact i {
            color: var(--accent);
            font-size: 14px;
            width: 18px;
            text-align: center;
        }
        .footer-bottom {
            margin-top: 52px;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: var(--text-low);
        }

        /* ========== 15. 移动端浮动转化条 ========== */
        .mobile-cta-bar {
            position: fixed;
            left: 0;
            right: 0;
            bottom: 0;
            height: 64px;
            background: rgba(7, 13, 31, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-top: 1px solid rgba(245, 184, 46, 0.6);
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3);
            display: none;
            align-items: center;
            justify-content: space-between;
            padding: 0 20px;
            z-index: 999;
            transform: translateY(100%);
            transition: transform 0.3s ease;
        }
        .mobile-cta-bar.visible {
            transform: translateY(0);
        }
        .mobile-cta-bar .cta-label {
            font-size: 14px;
            color: var(--text-mid);
            font-weight: 500;
        }
        .mobile-cta-bar .btn-cta-mobile {
            background: linear-gradient(135deg, #3B82F6, #2563EB);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            border-radius: 10px;
            padding: 8px 20px;
            text-decoration: none;
            box-shadow: 0 0 16px rgba(59, 130, 246, 0.4);
            transition: box-shadow 0.3s ease;
        }
        .float-contact {
            position: fixed;
            right: 28px;
            bottom: 28px;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, #3B82F6, #2563EB);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            box-shadow: 0 0 24px rgba(59, 130, 246, 0.5);
            z-index: 999;
            text-decoration: none;
            opacity: 0;
            visibility: hidden;
            transform: scale(0.8);
            transition: all 0.3s ease;
        }
        .float-contact.visible {
            opacity: 1;
            visibility: visible;
            transform: scale(1);
        }
        .float-contact:hover {
            border-radius: 28px;
            width: 160px;
            gap: 8px;
            color: #fff;
            text-shadow: none;
        }
        .float-contact .float-text {
            font-size: 14px;
            font-weight: 600;
            opacity: 0;
            max-width: 0;
            overflow: hidden;
            white-space: nowrap;
            transition: opacity 0.3s ease, max-width 0.3s ease;
        }
        .float-contact:hover .float-text {
            opacity: 1;
            max-width: 120px;
        }

        /* ========== 16. 响应式 ========== */
        @media (max-width: 1199px) {
            :root {
                --section-space: 84px;
            }
            .business-wide {
                max-width: 80%;
            }
        }
        @media (max-width: 991px) {
            :root {
                --section-space: 72px;
            }
            .site-header {
                height: auto;
                padding: 10px 0;
            }
            .site-header .navbar {
                height: auto;
                min-height: 52px;
            }
            .navbar-collapse {
                background: rgba(7, 13, 31, 0.97);
                border-radius: 0 0 16px 16px;
                padding: 16px;
                margin-top: 10px;
                border: 1px solid var(--glass-border);
                box-shadow: var(--shadow-card);
            }
            .navbar-nav {
                gap: 4px;
            }
            .navbar-nav .nav-item {
                margin: 2px 0;
            }
            .navbar-nav .nav-link {
                padding: 10px 8px;
                font-size: 15px;
            }
            .navbar-nav .nav-link.active::after {
                left: 0;
                transform: none;
                width: 28px;
                height: 3px;
            }
            .business-offset .col-lg-6:nth-child(2) .business-card {
                margin-top: 0;
            }
            .business-wide {
                max-width: 100%;
            }
            .split-block {
                flex-direction: column;
                gap: 32px;
            }
            .split-media {
                flex: none;
                width: 100%;
            }
            .split-media img {
                height: 280px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .stat-item + .stat-item::before {
                display: none;
            }
            .float-contact {
                display: none;
            }
            .mobile-cta-bar {
                display: flex;
            }
            body {
                padding-bottom: 64px;
            }
        }
        @media (max-width: 767px) {
            :root {
                --section-space: 56px;
            }
            body {
                font-size: 15px;
            }
            .page-banner {
                padding: 130px 0 56px;
            }
            .page-title {
                font-size: 26px;
            }
            .page-subtitle {
                font-size: 14px;
            }
            .section-title {
                font-size: 24px;
            }
            .section-desc {
                font-size: 14px;
            }
            .section-header {
                margin-bottom: 32px;
            }
            .stat-number {
                font-size: 32px;
            }
            .timeline {
                padding-left: 40px;
            }
            .timeline-item::before {
                left: -31px;
                width: 10px;
                height: 10px;
            }
            .business-card {
                padding: 22px;
            }
            .news-list-card {
                flex-direction: column;
                gap: 14px;
            }
            .news-thumb {
                width: 100%;
                height: 160px;
            }
            .cta-section {
                padding: 60px 0;
            }
            .cta-title {
                font-size: 24px;
            }
            .cta-buttons .btn-primary-custom,
            .cta-buttons .btn-outline-custom {
                width: 100%;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: center;
                text-align: center;
            }
        }
        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stat-number {
                font-size: 28px;
            }
            .page-title {
                font-size: 23px;
            }
            .split-media img {
                height: 220px;
            }
        }

        /* ========== 17. 动效偏好 ========== */
        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                transition: none !important;
                animation: none !important;
                scroll-behavior: auto !important;
            }
            .business-card:hover,
            .news-list-card:hover {
                transform: none;
            }
        }

        /* 聚焦可访问性 */
        a:focus-visible,
        button:focus-visible,
        .btn-vip:focus-visible,
        .btn-primary-custom:focus-visible,
        .btn-outline-custom:focus-visible {
            outline: 2px solid var(--primary-light);
            outline-offset: 3px;
            border-radius: 6px;
        }
        input:focus-visible {
            outline: 2px solid var(--primary-light);
            outline-offset: 1px;
        }

/* roulang page: category3 */
/* ========== :root 设计变量 ========== */
        :root {
            --bg-deep: #070D1F;
            --bg-panel: #0E1735;
            --bg-glass: rgba(16, 26, 60, 0.62);
            --glass-border: rgba(170, 200, 255, 0.18);
            --primary: #3B82F6;
            --primary-light: #60A5FA;
            --accent: #F5B82E;
            --accent-soft: rgba(245, 184, 46, 0.16);
            --text-hi: #EDF1FA;
            --text-mid: #A7B4D6;
            --text-low: #6B7A9E;
            --ok: #2FD6A5;
            --danger: #EF4444;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 12px;
            --radius-xs: 8px;
            --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.35);
            --shadow-float: 0 18px 48px rgba(0, 0, 0, 0.5);
            --shadow-glow-blue: 0 0 24px rgba(59, 130, 246, 0.12);
            --shadow-glow-gold: 0 0 24px rgba(245, 184, 46, 0.1);
            --transition: 0.3s ease;
        }

        /* ========== 基础 Reset ========== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background-color: var(--bg-deep);
            color: var(--text-mid);
            line-height: 1.75;
            font-size: 16px;
            letter-spacing: 0.2px;
            overflow-x: hidden;
            background-image: radial-gradient(ellipse at 8% 0%, rgba(59, 130, 246, 0.05), transparent 50%),
                radial-gradient(ellipse at 95% 100%, rgba(245, 184, 46, 0.03), transparent 50%);
            background-attachment: fixed;
        }
        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: color var(--transition), text-shadow var(--transition);
        }
        a:hover {
            color: var(--primary-light);
            text-shadow: 0 0 12px rgba(96, 165, 250, 0.4);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input {
            font-family: inherit;
        }

        /* ========== 滚动条 ========== */
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: transparent;
        }
        ::-webkit-scrollbar-thumb {
            background: #1A2447;
            border-radius: 4px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #24325E;
        }

        /* ========== Header 导航 ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            height: 72px;
            background: rgba(7, 13, 31, 0.88);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid transparent;
            transition: box-shadow var(--transition);
        }
        .site-header::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.8), rgba(245, 184, 46, 0.9), transparent);
            box-shadow: 0 4px 18px rgba(59, 130, 246, 0.25);
        }
        .site-header .container {
            height: 100%;
        }
        .site-header .navbar {
            height: 100%;
            padding: 0;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            position: relative;
        }
        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            position: relative;
        }
        .logo-icon .ring {
            width: 22px;
            height: 22px;
            border: 2px solid var(--accent);
            border-radius: 50%;
            position: absolute;
            top: 8px;
            left: 3px;
            box-shadow: 0 0 12px rgba(245, 184, 46, 0.35);
        }
        .logo-icon .dot {
            width: 5px;
            height: 5px;
            background: var(--accent);
            border-radius: 50%;
            position: absolute;
            top: 16px;
            left: 11px;
            box-shadow: 0 0 8px rgba(245, 184, 46, 0.7);
        }
        .logo-icon .rays {
            position: absolute;
            top: 13px;
            left: 27px;
            width: 15px;
            height: 2px;
            background: linear-gradient(90deg, var(--accent), rgba(245, 184, 46, 0.2));
            border-radius: 2px;
        }
        .logo-icon .rays::before {
            content: "";
            position: absolute;
            top: -4px;
            left: 5px;
            width: 8px;
            height: 1.5px;
            background: rgba(245, 184, 46, 0.55);
            border-radius: 2px;
        }
        .logo-icon .rays::after {
            content: "";
            position: absolute;
            top: 4px;
            left: 3px;
            width: 10px;
            height: 1.5px;
            background: rgba(245, 184, 46, 0.4);
            border-radius: 2px;
        }
        .brand-text {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.5px;
            position: relative;
            white-space: nowrap;
        }
        .brand-text::after {
            content: "";
            position: absolute;
            right: -12px;
            bottom: 6px;
            width: 2px;
            height: 14px;
            background: var(--accent);
            border-radius: 1px;
        }
        .navbar-nav {
            gap: 4px;
        }
        .nav-item {
            margin: 0 4px;
        }
        .nav-link {
            color: var(--text-mid) !important;
            font-size: 15px;
            font-weight: 500;
            padding: 8px 12px !important;
            border-radius: 8px;
            position: relative;
            transition: color var(--transition), text-shadow var(--transition), background var(--transition);
        }
        .nav-link::after {
            content: "";
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%) scaleX(0);
            width: 24px;
            height: 3px;
            border-radius: 3px;
            background: var(--accent);
            box-shadow: 0 0 10px rgba(245, 184, 46, 0.5);
            transition: transform var(--transition);
        }
        .nav-link:hover {
            color: #fff !important;
            text-shadow: 0 0 12px rgba(96, 165, 250, 0.6);
            background: rgba(59, 130, 246, 0.06);
        }
        .nav-link.active {
            color: var(--text-hi) !important;
            text-shadow: 0 0 12px rgba(96, 165, 250, 0.5);
        }
        .nav-link.active::after {
            transform: translateX(-50%) scaleX(1);
        }
        .btn-vip {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary), #2563EB);
            color: #fff !important;
            font-size: 14px;
            font-weight: 600;
            padding: 10px 22px;
            border-radius: 12px;
            box-shadow: 0 0 20px rgba(59, 130, 246, 0.4);
            transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
            border: none;
            white-space: nowrap;
        }
        .btn-vip:hover {
            background: linear-gradient(135deg, var(--primary-light), var(--primary));
            box-shadow: 0 0 28px rgba(59, 130, 246, 0.6);
            transform: translateY(-1px);
            text-shadow: none;
        }
        .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: 8px;
            padding: 6px 10px;
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.25);
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(237,241,250,0.9)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
        }

        /* ========== Page Hero 页头 ========== */
        .page-hero {
            position: relative;
            padding: 150px 0 70px;
            background: linear-gradient(180deg, rgba(59, 130, 246, 0.14), transparent 60%),
                linear-gradient(135deg, rgba(7, 13, 31, 0.6), rgba(7, 13, 31, 0.85)),
                url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            border-bottom: 1px solid rgba(170, 200, 255, 0.1);
        }
        .page-hero::before {
            content: "";
            position: absolute;
            top: 0;
            right: 8%;
            width: 260px;
            height: 260px;
            background: radial-gradient(circle, rgba(245, 184, 46, 0.12), transparent 60%);
            pointer-events: none;
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
        }
        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-low);
            margin-bottom: 20px;
        }
        .breadcrumb-custom a {
            color: var(--text-low);
            transition: color var(--transition);
        }
        .breadcrumb-custom a:hover {
            color: var(--accent);
            text-shadow: 0 0 8px rgba(245, 184, 46, 0.3);
        }
        .breadcrumb-custom .sep {
            color: rgba(255, 255, 255, 0.3);
        }
        .breadcrumb-custom .current {
            color: var(--text-hi);
        }
        .page-hero h1 {
            font-size: 34px;
            font-weight: 700;
            color: var(--text-hi);
            line-height: 1.3;
            letter-spacing: 0.5px;
            margin-bottom: 18px;
        }
        .page-hero .hero-sub {
            font-size: 16px;
            color: var(--text-mid);
            max-width: 660px;
            line-height: 1.8;
        }
        .hero-trust-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-top: 26px;
        }
        .hero-trust-badges .badge-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            color: var(--text-mid);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 6px;
            padding: 4px 12px;
        }
        .hero-trust-badges .badge-item i {
            color: var(--accent);
            font-size: 11px;
        }

        /* ========== 通用板块 ========== */
        .section {
            padding: 100px 0;
            position: relative;
        }
        .section-alt {
            background: rgba(10, 18, 40, 0.4);
        }
        .section-head {
            margin-bottom: 50px;
            max-width: 720px;
        }
        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 12px;
            position: relative;
            padding-left: 18px;
        }
        .section-tag::before {
            content: "";
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 10px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
            box-shadow: 0 0 8px rgba(245, 184, 46, 0.5);
        }
        .section-title {
            font-size: 32px;
            font-weight: 700;
            color: var(--text-hi);
            line-height: 1.3;
            letter-spacing: 0.5px;
            margin-bottom: 14px;
        }
        .section-desc {
            font-size: 15px;
            color: var(--text-mid);
            line-height: 1.75;
        }

        /* ========== 权益卡片 ========== */
        .benefits-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }
        .benefit-card {
            background: var(--bg-glass);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            padding: 0;
            overflow: hidden;
            transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
            height: 100%;
        }
        .benefit-card:hover {
            border-color: rgba(245, 184, 46, 0.4);
            transform: translateY(-4px);
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
        }
        .benefit-card .benefit-img {
            position: relative;
            height: 200px;
            overflow: hidden;
        }
        .benefit-card .benefit-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .benefit-card:hover .benefit-img img {
            transform: scale(1.04);
        }
        .benefit-card .benefit-img::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(7, 13, 31, 0.1), rgba(7, 13, 31, 0.55));
        }
        .benefit-card .benefit-tag {
            position: absolute;
            top: 16px;
            left: 16px;
            z-index: 2;
            font-size: 12px;
            font-weight: 600;
            color: var(--accent);
            background: rgba(7, 13, 31, 0.7);
            border: 1px solid rgba(245, 184, 46, 0.5);
            border-radius: 6px;
            padding: 2px 10px;
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }
        .benefit-card .benefit-body {
            padding: 28px 28px 32px;
        }
        .benefit-card .benefit-body h3 {
            font-size: 19px;
            font-weight: 600;
            color: var(--text-hi);
            margin-bottom: 10px;
            letter-spacing: 0.3px;
        }
        .benefit-card .benefit-body p {
            font-size: 14px;
            color: var(--text-mid);
            line-height: 1.75;
            margin-bottom: 0;
        }
        .benefit-card .benefit-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--accent-soft);
            border: 1px solid rgba(245, 184, 46, 0.25);
            color: var(--accent);
            font-size: 18px;
            margin-bottom: 18px;
            position: relative;
        }
        .benefit-card .benefit-icon::after {
            content: "";
            position: absolute;
            right: -4px;
            top: -4px;
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--primary);
            box-shadow: 0 0 8px rgba(59, 130, 246, 0.7);
        }

        /* ========== 权益细则 时间线 ========== */
        .detail-section {
            background: rgba(10, 18, 40, 0.4);
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }
        .detail-list {
            position: relative;
            padding-left: 0;
            list-style: none;
            margin: 0;
        }
        .detail-item {
            position: relative;
            padding: 0 0 48px 60px;
            border-left: 1px solid rgba(170, 200, 255, 0.15);
            margin-left: 20px;
        }
        .detail-item:last-child {
            padding-bottom: 0;
            border-left-color: transparent;
        }
        .detail-item::before {
            content: "";
            position: absolute;
            left: -5px;
            top: 4px;
            width: 9px;
            height: 9px;
            border-radius: 50%;
            background: var(--accent);
            box-shadow: 0 0 12px rgba(245, 184, 46, 0.5);
        }
        .detail-item .step-num {
            position: absolute;
            left: -40px;
            top: 0;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--bg-panel);
            border: 1px solid var(--glass-border);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            font-weight: 700;
            color: var(--accent);
            box-shadow: 0 0 16px rgba(59, 130, 246, 0.15);
        }
        .detail-item h3 {
            font-size: 19px;
            font-weight: 600;
            color: var(--text-hi);
            margin-bottom: 10px;
            letter-spacing: 0.3px;
        }
        .detail-item p {
            font-size: 15px;
            color: var(--text-mid);
            line-height: 1.8;
            margin-bottom: 10px;
        }
        .detail-item .detail-points {
            list-style: none;
            padding: 0;
            margin: 12px 0 0;
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .detail-item .detail-points li {
            font-size: 13px;
            color: var(--text-mid);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 6px;
            padding: 3px 12px;
            position: relative;
            padding-left: 22px;
        }
        .detail-item .detail-points li::before {
            content: "✓";
            position: absolute;
            left: 8px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 11px;
            color: var(--ok);
        }

        /* ========== FAQ ========== */
        .faq-section {
            position: relative;
        }
        .faq-accordion .accordion-item {
            background: var(--bg-glass);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            overflow: hidden;
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .faq-accordion .accordion-item:has(.accordion-button:not(.collapsed)) {
            border-color: rgba(59, 130, 246, 0.4);
            box-shadow: var(--shadow-glow-blue);
        }
        .faq-accordion .accordion-button {
            background: transparent;
            color: var(--text-hi);
            font-size: 16px;
            font-weight: 600;
            padding: 20px 56px 20px 24px;
            border: none;
            box-shadow: none;
            position: relative;
            line-height: 1.4;
        }
        .faq-accordion .accordion-button::after {
            background: none;
            content: "+";
            font-family: inherit;
            font-size: 22px;
            font-weight: 300;
            color: var(--accent);
            width: auto;
            height: auto;
            position: absolute;
            right: 24px;
            top: 50%;
            transform: translateY(-50%) rotate(0deg);
            transition: transform 0.3s ease;
        }
        .faq-accordion .accordion-button:not(.collapsed)::after {
            transform: translateY(-50%) rotate(45deg);
        }
        .faq-accordion .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
            border-radius: var(--radius-md);
        }
        .faq-accordion .accordion-body {
            padding: 0 24px 22px;
            color: var(--text-mid);
            font-size: 15px;
            line-height: 1.8;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 16px;
            margin-top: 0;
        }

        /* ========== CTA 区域 ========== */
        .cta-section {
            padding: 110px 0;
            background: linear-gradient(180deg, rgba(59, 130, 246, 0.1), transparent 60%),
                url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            position: relative;
            border-top: 1px solid rgba(170, 200, 255, 0.1);
        }
        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: rgba(7, 13, 31, 0.75);
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .cta-section h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--text-hi);
            margin-bottom: 14px;
        }
        .cta-section p {
            font-size: 16px;
            color: var(--text-mid);
            max-width: 620px;
            margin: 0 auto 30px;
            line-height: 1.8;
        }
        .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary), #2563EB);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            padding: 13px 32px;
            border-radius: 12px;
            border: none;
            box-shadow: 0 0 22px rgba(59, 130, 246, 0.4);
            transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
        }
        .btn-primary-custom:hover {
            background: linear-gradient(135deg, var(--primary-light), var(--primary));
            box-shadow: 0 0 30px rgba(59, 130, 246, 0.6);
            transform: translateY(-2px);
            color: #fff;
            text-shadow: none;
        }
        .btn-primary-custom:active {
            transform: translateY(0);
        }
        .btn-outline-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            color: var(--text-hi);
            font-size: 15px;
            font-weight: 600;
            padding: 13px 32px;
            border-radius: 12px;
            border: 1px solid rgba(255, 255, 255, 0.4);
            transition: border-color var(--transition), color var(--transition), background var(--transition);
        }
        .btn-outline-custom:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: rgba(245, 184, 46, 0.05);
            text-shadow: none;
        }
        .cta-address {
            margin-top: 22px;
            font-size: 13px;
            color: var(--text-low);
        }

        /* ========== Footer ========== */
        .site-footer {
            background: #050A18;
            padding: 72px 0 40px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-brand .brand-text {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            display: inline-block;
            position: relative;
            padding-bottom: 12px;
        }
        .footer-brand .brand-text::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 32px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
            right: auto;
        }
        .footer-desc {
            font-size: 14px;
            color: var(--text-low);
            line-height: 1.8;
            margin: 14px 0 0;
            max-width: 300px;
        }
        .footer-divider {
            width: 40px;
            height: 2px;
            background: linear-gradient(90deg, var(--accent), rgba(245, 184, 46, 0.2));
            border-radius: 2px;
            margin-top: 18px;
        }
        .footer-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-hi);
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 8px;
        }
        .footer-title::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 20px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: var(--text-low);
            font-size: 14px;
            transition: color var(--transition), padding-left var(--transition);
            display: inline-block;
        }
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 4px;
            text-shadow: 0 0 8px rgba(245, 184, 46, 0.3);
        }
        .footer-contact li {
            color: var(--text-low);
            font-size: 14px;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
        }
        .footer-contact li i {
            color: var(--accent);
            font-size: 13px;
            width: 16px;
            text-align: center;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 24px;
            margin-top: 48px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 13px;
            color: var(--text-low);
        }

        /* ========== 移动端转化条 ========== */
        .mobile-conversion-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 1040;
            height: 64px;
            background: rgba(7, 13, 31, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-top: 1px solid rgba(245, 184, 46, 0.4);
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 20px;
            transform: translateY(100px);
            transition: transform 0.4s ease;
            box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.4);
        }
        .mobile-conversion-bar.visible {
            transform: translateY(0);
        }
        .mobile-conversion-bar .bar-text {
            font-size: 14px;
            color: var(--text-mid);
            font-weight: 500;
        }
        .mobile-conversion-bar .btn-bar-cta {
            background: linear-gradient(135deg, var(--primary), #2563EB);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            padding: 8px 22px;
            border-radius: 10px;
            box-shadow: 0 0 18px rgba(59, 130, 246, 0.4);
            transition: box-shadow var(--transition);
        }
        .mobile-conversion-bar .btn-bar-cta:hover {
            box-shadow: 0 0 26px rgba(59, 130, 246, 0.6);
            color: #fff;
            text-shadow: none;
        }

        /* ========== 桌面浮动按钮 ========== */
        .float-vip-btn {
            position: fixed;
            right: 32px;
            bottom: 40px;
            z-index: 1035;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), #2563EB);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 20px;
            box-shadow: 0 0 24px rgba(59, 130, 246, 0.5);
            transition: width var(--transition), border-radius var(--transition), box-shadow var(--transition), transform var(--transition);
            text-decoration: none;
            overflow: hidden;
            white-space: nowrap;
        }
        .float-vip-btn:hover {
            width: 160px;
            border-radius: 28px;
            color: #fff;
            box-shadow: 0 0 32px rgba(59, 130, 246, 0.7);
            transform: translateY(-2px);
            text-shadow: none;
        }
        .float-vip-btn .float-label {
            font-size: 14px;
            font-weight: 600;
            margin-left: 0;
            opacity: 0;
            transition: opacity var(--transition), margin-left var(--transition);
            max-width: 0;
        }
        .float-vip-btn:hover .float-label {
            opacity: 1;
            margin-left: 10px;
            max-width: 120px;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1199px) {
            .section {
                padding: 72px 0;
            }
            .benefits-grid {
                gap: 20px;
            }
        }
        @media (max-width: 991px) {
            .site-header {
                height: auto;
                min-height: 72px;
            }
            .site-header .navbar {
                padding: 14px 0;
            }
            .navbar-collapse {
                background: rgba(7, 13, 31, 0.96);
                border-radius: 16px;
                padding: 20px;
                margin-top: 12px;
                border: 1px solid var(--glass-border);
                box-shadow: var(--shadow-float);
            }
            .navbar-nav {
                gap: 0;
            }
            .nav-link {
                padding: 12px 14px !important;
                border-radius: 10px;
            }
            .nav-link::after {
                bottom: 6px;
            }
            .btn-vip {
                margin-left: 0 !important;
                margin-top: 10px !important;
                width: 100%;
                justify-content: center;
            }
            .page-hero {
                padding: 130px 0 60px;
            }
            .page-hero h1 {
                font-size: 30px;
            }
            .section-title {
                font-size: 28px;
            }
            .benefits-grid {
                grid-template-columns: 1fr;
            }
            .float-vip-btn {
                display: none;
            }
        }
        @media (max-width: 767px) {
            body {
                font-size: 15px;
            }
            .section {
                padding: 56px 0;
            }
            .page-hero {
                padding: 120px 0 48px;
            }
            .page-hero h1 {
                font-size: 26px;
            }
            .hero-sub {
                font-size: 15px;
            }
            .page-hero .hero-trust-badges {
                gap: 8px;
            }
            .section-title {
                font-size: 24px;
            }
            .section-head {
                margin-bottom: 32px;
            }
            .benefit-card .benefit-body {
                padding: 20px;
            }
            .detail-item {
                padding-left: 48px;
                margin-left: 14px;
            }
            .detail-item .step-num {
                left: -32px;
                width: 32px;
                height: 32px;
                font-size: 13px;
            }
            .cta-section {
                padding: 72px 0;
            }
            .cta-section h2 {
                font-size: 24px;
            }
            .cta-buttons {
                flex-direction: column;
                align-items: center;
                width: 100%;
            }
            .cta-buttons .btn-primary-custom,
            .cta-buttons .btn-outline-custom {
                width: 100%;
                max-width: 260px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                justify-content: center;
                gap: 6px;
            }
        }
        @media (max-width: 520px) {
            .page-hero h1 {
                font-size: 24px;
            }
            .section-title {
                font-size: 22px;
            }
            .brand-text {
                font-size: 14px;
            }
            .hero-trust-badges .badge-item {
                font-size: 11px;
                padding: 3px 10px;
            }
        }

        /* ========== reduced motion ========== */
        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                transition: none !important;
                animation: none !important;
                scroll-behavior: auto !important;
            }
        }

/* roulang page: category2 */
/* ========== 设计变量 ========== */
        :root {
            --bg-deep: #070D1F;
            --bg-panel: #0E1735;
            --bg-glass: rgba(16, 26, 60, 0.62);
            --glass-border: rgba(170, 200, 255, 0.18);
            --primary: #3B82F6;
            --primary-light: #60A5FA;
            --accent: #F5B82E;
            --accent-soft: rgba(245, 184, 46, 0.16);
            --text-hi: #EDF1FA;
            --text-mid: #A7B4D6;
            --text-low: #6B7A9E;
            --ok: #2FD6A5;
            --danger: #EF4444;
            --radius-lg: 20px;
            --radius-sm: 14px;
            --radius-xs: 8px;
            --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.35);
            --shadow-float: 0 18px 48px rgba(0, 0, 0, 0.5);
            --font-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-num: "Inter", "Roboto", system-ui;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: var(--font-cn);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-mid);
            background-color: var(--bg-deep);
            background-image:
                radial-gradient(ellipse at 12% 8%, rgba(59, 130, 246, 0.05), transparent 42%),
                radial-gradient(ellipse at 88% 92%, rgba(245, 184, 46, 0.03), transparent 38%);
            background-attachment: fixed;
            letter-spacing: 0.2px;
            -webkit-font-smoothing: antialiased;
            padding-top: 72px;
        }

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

        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: color 0.3s ease, text-shadow 0.3s ease;
        }

        a:hover {
            color: var(--accent);
            text-shadow: 0 0 12px rgba(245, 184, 46, 0.45);
        }

        ul,
        ol {
            padding-left: 0;
            list-style: none;
            margin-bottom: 0;
        }

        /* ========== 滚动条 ========== */
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: transparent;
        }
        ::-webkit-scrollbar-thumb {
            background: #1A2447;
            border-radius: 4px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #2A3868;
        }

        /* ========== 通用组件 ========== */
        .section-head {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 56px;
        }

        .section-head .sec-tag {
            display: inline-block;
            font-size: 14px;
            font-weight: 600;
            color: var(--accent);
            background: var(--accent-soft);
            border: 1px solid rgba(245, 184, 46, 0.45);
            border-radius: 6px;
            padding: 3px 14px;
            margin-bottom: 18px;
            letter-spacing: 0.5px;
        }

        .section-head h2 {
            font-size: 34px;
            font-weight: 700;
            color: var(--text-hi);
            letter-spacing: 0.5px;
            line-height: 1.35;
            margin-bottom: 14px;
        }

        .section-head p {
            font-size: 15px;
            color: var(--text-low);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* 按钮 */
        .btn-main {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, #3B82F6, #2563EB);
            color: #fff !important;
            font-size: 15px;
            font-weight: 600;
            padding: 12px 30px;
            border-radius: 12px;
            border: none;
            box-shadow: 0 0 20px rgba(59, 130, 246, 0.4);
            transition: box-shadow 0.3s ease, transform 0.3s ease, filter 0.3s ease;
            text-shadow: none;
        }

        .btn-main:hover {
            filter: brightness(1.08);
            box-shadow: 0 0 32px rgba(59, 130, 246, 0.65);
            transform: translateY(-2px);
            color: #fff !important;
        }

        .btn-main:active {
            transform: translateY(0);
            box-shadow: 0 0 16px rgba(59, 130, 246, 0.35);
        }

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            color: var(--text-hi) !important;
            font-size: 15px;
            font-weight: 600;
            padding: 12px 28px;
            border-radius: 12px;
            border: 1px solid rgba(255, 255, 255, 0.4);
            transition: border-color 0.3s ease, color 0.3s ease, box-shadow 0.3s ease;
            text-shadow: none;
        }

        .btn-ghost:hover {
            border-color: var(--accent);
            color: var(--accent) !important;
            box-shadow: 0 0 18px rgba(245, 184, 46, 0.18);
        }

        /* ========== 顶部导航 ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1040;
            height: 72px;
            background: rgba(7, 13, 31, 0.88);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .site-header::after {
            content: "";
            display: block;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.8), rgba(245, 184, 46, 0.9), transparent);
            box-shadow: 0 4px 18px rgba(59, 130, 246, 0.25);
            position: absolute;
            left: 0;
            right: 0;
            bottom: -1px;
        }

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

        .site-header .navbar {
            width: 100%;
            padding: 0;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
            position: relative;
        }

        .logo-icon {
            position: relative;
            width: 30px;
            height: 24px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .logo-icon .ring {
            position: absolute;
            width: 20px;
            height: 20px;
            border: 2px solid var(--accent);
            border-radius: 50%;
            top: 2px;
            left: 0;
            box-shadow: 0 0 10px rgba(245, 184, 46, 0.4);
        }

        .logo-icon .dot {
            position: absolute;
            width: 5px;
            height: 5px;
            background: var(--primary-light);
            border-radius: 50%;
            top: 9px;
            left: 7px;
            box-shadow: 0 0 8px rgba(96, 165, 250, 0.8);
            z-index: 1;
        }

        .logo-icon .rays {
            position: absolute;
            right: 0;
            top: 10px;
            width: 14px;
            height: 0;
            border-top: 1.5px solid var(--accent);
            box-shadow: 0 5px 0 -0.5px rgba(245, 184, 46, 0.6);
            transform: rotate(-18deg);
            transform-origin: left center;
        }

        .brand-text {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-hi);
            letter-spacing: 0.6px;
            white-space: nowrap;
        }

        .brand-logo::after {
            content: "";
            position: absolute;
            left: 50%;
            bottom: -8px;
            transform: translateX(-50%);
            width: 24px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
            opacity: 0.8;
        }

        .site-header .navbar-nav {
            gap: 4px;
        }

        .site-header .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-mid);
            padding: 8px 14px !important;
            border-radius: 8px;
            position: relative;
            transition: color 0.3s ease, text-shadow 0.3s ease;
        }

        .site-header .nav-link:hover {
            color: #fff;
            text-shadow: 0 0 12px rgba(96, 165, 250, 0.6);
        }

        .site-header .nav-link.active {
            color: var(--text-hi);
            text-shadow: 0 0 12px rgba(96, 165, 250, 0.35);
        }

        .site-header .nav-link.active::after {
            content: "";
            position: absolute;
            left: 50%;
            bottom: 2px;
            transform: translateX(-50%);
            width: 24px;
            height: 3px;
            background: var(--accent);
            border-radius: 3px;
            box-shadow: 0 0 10px rgba(245, 184, 46, 0.5);
        }

        .site-header .btn-vip {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--primary);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            border-radius: 12px;
            padding: 10px 24px;
            box-shadow: 0 0 20px rgba(59, 130, 246, 0.4);
            white-space: nowrap;
            transition: background 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
        }

        .site-header .btn-vip:hover {
            background: var(--primary-light);
            box-shadow: 0 0 28px rgba(59, 130, 246, 0.6);
            transform: translateY(-1px);
            color: #fff;
            text-shadow: none;
        }

        .site-header .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: 8px;
            padding: 6px 10px;
            background: transparent;
        }

        .site-header .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3E%3Cpath stroke='rgba(237,241,250,0.9)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E");
        }

        @media (max-width: 991.98px) {
            .site-header {
                height: 64px;
            }
            body {
                padding-top: 64px;
            }
            .site-header .container {
                flex-wrap: nowrap;
            }
            .site-header .navbar-collapse {
                background: var(--bg-panel);
                border: 1px solid var(--glass-border);
                border-radius: 14px;
                padding: 18px 20px;
                margin-top: 12px;
                box-shadow: var(--shadow-card);
            }
            .site-header .navbar-nav {
                text-align: left;
                margin-bottom: 12px;
                gap: 2px;
            }
            .site-header .nav-link {
                padding: 10px 12px !important;
            }
            .site-header .nav-link.active::after {
                bottom: 4px;
            }
            .site-header .btn-vip {
                width: 100%;
                margin-left: 0 !important;
                margin-top: 4px !important;
            }
        }

        @media (max-width: 575.98px) {
            .brand-text {
                font-size: 15px;
                letter-spacing: 0.4px;
            }
            .site-header .container {
                padding: 0 16px;
            }
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: #050A18;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 72px 0 36px;
        }

        .footer-brand .brand-text {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-hi);
            letter-spacing: 0.5px;
            margin-bottom: 16px;
            display: inline-block;
        }

        .footer-desc {
            font-size: 14px;
            color: var(--text-low);
            line-height: 1.8;
            margin-bottom: 18px;
            max-width: 320px;
        }

        .footer-divider {
            width: 40px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
            margin-top: 6px;
        }

        .footer-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-hi);
            margin-bottom: 18px;
            letter-spacing: 0.4px;
        }

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

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

        .footer-links a {
            color: var(--text-mid);
            font-size: 14px;
            transition: color 0.3s ease, text-shadow 0.3s ease;
        }

        .footer-links a:hover {
            color: var(--accent);
            text-shadow: 0 0 10px rgba(245, 184, 46, 0.4);
        }

        .footer-contact li {
            color: var(--text-mid);
            font-size: 14px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer-contact i {
            color: var(--accent);
            font-size: 13px;
            width: 16px;
            text-align: center;
            flex-shrink: 0;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            margin-top: 48px;
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 10px;
            font-size: 13px;
            color: var(--text-low);
        }

        @media (max-width: 767.98px) {
            .site-footer {
                padding: 48px 0 100px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: center;
                text-align: center;
            }
        }

        /* ========== 页面页头 Hero ========== */
        .page-hero {
            position: relative;
            padding: 96px 0 88px;
            background-image:
                linear-gradient(180deg, rgba(7, 13, 31, 0.82), rgba(7, 13, 31, 0.94)),
                url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center 30%;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }
        <!-- 图片占位: 建议尺寸 1200x800 -->

        .page-hero::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 220px;
            background: linear-gradient(180deg, rgba(59, 130, 246, 0.10), transparent);
            pointer-events: none;
        }

        .page-hero::after {
            content: "";
            position: absolute;
            top: 0;
            right: -60px;
            width: 420px;
            height: 420px;
            background:
                radial-gradient(circle, rgba(245, 184, 46, 0.08) 0 1px, transparent 1px),
                radial-gradient(circle, rgba(245, 184, 46, 0.05) 0 1px, transparent 1px);
            background-size: 48px 48px;
            mask-image: linear-gradient(to bottom left, rgba(0,0,0,0.7), transparent);
            pointer-events: none;
        }

        .breadcrumb-nav {
            font-size: 13px;
            color: var(--text-low);
            margin-bottom: 32px;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        .breadcrumb-nav a {
            color: var(--text-low);
        }

        .breadcrumb-nav a:hover {
            color: var(--accent);
            text-shadow: 0 0 10px rgba(245, 184, 46, 0.3);
        }

        .breadcrumb-nav .sep {
            opacity: 0.5;
        }

        .breadcrumb-nav .current {
            color: var(--text-hi);
        }

        .page-hero-content {
            max-width: 700px;
            position: relative;
            z-index: 1;
        }

        .hero-badge {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            background: var(--accent-soft);
            border: 1px solid rgba(245, 184, 46, 0.5);
            border-radius: 8px;
            padding: 4px 14px;
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }

        .page-hero-content h1 {
            font-size: 38px;
            font-weight: 700;
            color: var(--text-hi);
            letter-spacing: 0.5px;
            line-height: 1.3;
            margin-bottom: 18px;
        }

        .page-hero-content .hero-desc {
            font-size: 16px;
            color: var(--text-mid);
            line-height: 1.85;
            margin-bottom: 32px;
            max-width: 610px;
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        @media (max-width: 991.98px) {
            .page-hero {
                padding: 72px 0 64px;
            }
            .page-hero-content h1 {
                font-size: 32px;
            }
        }

        @media (max-width: 767.98px) {
            .page-hero {
                padding: 56px 0 48px;
            }
            .page-hero-content h1 {
                font-size: 27px;
            }
            .page-hero-content .hero-desc {
                font-size: 15px;
            }
            .hero-actions .btn-main,
            .hero-actions .btn-ghost {
                width: 100%;
            }
        }

        /* ========== 服务流程区 ========== */
        .process-section {
            padding: 100px 0;
            background: transparent;
        }

        .process-list {
            position: relative;
            padding-left: 8px;
        }

        .process-step {
            display: flex;
            gap: 18px;
            position: relative;
            padding-bottom: 34px;
        }

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

        .process-step::before {
            content: "";
            position: absolute;
            left: 21px;
            top: 52px;
            bottom: 8px;
            width: 1px;
            background: repeating-linear-gradient(to bottom, rgba(59, 130, 246, 0.4) 0 4px, transparent 4px 10px);
        }

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

        .step-num {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--bg-panel);
            border: 2px solid var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-num);
            font-size: 15px;
            font-weight: 700;
            color: var(--primary-light);
            box-shadow: 0 0 14px rgba(59, 130, 246, 0.25);
            flex-shrink: 0;
            z-index: 1;
        }

        .step-body {
            padding-top: 2px;
        }

        .step-body h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-hi);
            margin-bottom: 6px;
            letter-spacing: 0.4px;
        }

        .step-body p {
            font-size: 14px;
            color: var(--text-mid);
            line-height: 1.7;
            margin-bottom: 0;
        }

        .process-visual {
            border-radius: 20px;
            overflow: hidden;
            border: 1px solid var(--glass-border);
            box-shadow: var(--shadow-card);
            background: var(--bg-panel);
        }

        .process-visual img {
            width: 100%;
            height: 100%;
            min-height: 320px;
            object-fit: cover;
        }
        <!-- 图片占位: 建议尺寸 800x600 -->

        @media (max-width: 991.98px) {
            .process-section {
                padding: 72px 0;
            }
            .process-visual {
                margin-top: 40px;
            }
        }

        @media (max-width: 767.98px) {
            .process-section {
                padding: 56px 0;
            }
            .process-step {
                gap: 14px;
            }
            .process-step::before {
                left: 18px;
            }
            .step-num {
                width: 38px;
                height: 38px;
                font-size: 13px;
            }
            .process-visual img {
                min-height: 220px;
            }
        }

        /* ========== 服务内容详情 ========== */
        .service-detail-section {
            padding: 100px 0;
            background: linear-gradient(180deg, rgba(14, 23, 53, 0.35), transparent);
        }

        .service-item {
            margin-bottom: 72px;
        }

        .service-item:last-child {
            margin-bottom: 0;
        }

        .service-text {
            padding: 24px;
            background: var(--bg-glass);
            border: 1px solid var(--glass-border);
            border-radius: 20px;
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            box-shadow: var(--shadow-card);
            transition: border-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
            height: 100%;
        }

        .service-text:hover {
            border-color: rgba(245, 184, 46, 0.4);
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
            transform: translateY(-4px);
        }

        .service-num {
            font-family: var(--font-num);
            font-size: 36px;
            font-weight: 700;
            color: var(--accent);
            line-height: 1;
            display: block;
            margin-bottom: 20px;
            opacity: 0.9;
        }

        .service-text h3 {
            font-size: 22px;
            font-weight: 600;
            color: var(--text-hi);
            margin-bottom: 12px;
            letter-spacing: 0.4px;
        }

        .service-text>p {
            font-size: 15px;
            color: var(--text-mid);
            line-height: 1.8;
            margin-bottom: 16px;
        }

        .service-points {
            margin: 0;
            padding: 0;
            list-style: none;
        }

        .service-points li {
            position: relative;
            font-size: 14px;
            color: var(--text-mid);
            padding-left: 22px;
            margin-bottom: 8px;
            line-height: 1.7;
        }

        .service-points li::before {
            content: "";
            position: absolute;
            left: 2px;
            top: 10px;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
            box-shadow: 0 0 8px rgba(245, 184, 46, 0.5);
        }

        .service-image {
            border-radius: 20px;
            overflow: hidden;
            border: 1px solid var(--glass-border);
            box-shadow: var(--shadow-card);
            background: var(--bg-panel);
            height: 100%;
            min-height: 300px;
        }

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

        .service-image:hover img {
            transform: scale(1.02);
        }
        <!-- 图片占位: 建议尺寸 800x600 -->

        @media (max-width: 991.98px) {
            .service-detail-section {
                padding: 72px 0;
            }
            .service-item {
                margin-bottom: 48px;
            }
            .service-image {
                margin-top: 24px;
                min-height: 240px;
            }
            .order-lg-2 .service-image {
                margin-top: 0;
                margin-bottom: 24px;
            }
        }

        @media (max-width: 767.98px) {
            .service-detail-section {
                padding: 56px 0;
            }
            .service-text {
                padding: 20px;
            }
            .service-num {
                font-size: 30px;
            }
            .service-text h3 {
                font-size: 19px;
            }
        }

        /* ========== 服务保障区 ========== */
        .guarantee-section {
            padding: 100px 0;
            background: linear-gradient(180deg, rgba(14, 23, 53, 0.45), rgba(7, 13, 31, 0.8));
        }

        .stats-panel {
            background: var(--bg-glass);
            border: 1px solid var(--glass-border);
            border-radius: 24px;
            padding: 48px 40px;
            backdrop-filter: blur(18px);
            box-shadow: var(--shadow-card);
            margin-bottom: 56px;
        }

        .stats-panel .row {
            --bs-gutter-x: 0;
        }

        .stat-item {
            text-align: center;
            padding: 20px 16px;
            border-right: 1px solid rgba(255, 255, 255, 0.06);
        }

        .stat-item:last-child {
            border-right: none;
        }

        .stat-number {
            font-family: var(--font-num);
            font-size: 42px;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.2;
            text-shadow: 0 0 30px rgba(245, 184, 46, 0.25);
            letter-spacing: 1px;
        }

        .stat-label {
            font-size: 14px;
            color: var(--text-low);
            margin-top: 8px;
            letter-spacing: 0.3px;
        }

        .team-note {
            max-width: 760px;
            margin: 0 auto;
            text-align: center;
            font-size: 15px;
            color: var(--text-mid);
            line-height: 1.85;
            background: var(--accent-soft);
            border: 1px solid rgba(245, 184, 46, 0.25);
            border-radius: 16px;
            padding: 24px 32px;
        }

        @media (max-width: 767.98px) {
            .guarantee-section {
                padding: 56px 0;
            }
            .stats-panel {
                padding: 28px 16px;
            }
            .stat-item {
                border-right: none;
                padding: 16px 8px;
            }
            .stat-item:nth-child(2) {
                border-left: 1px solid rgba(255, 255, 255, 0.06);
            }
            .stat-number {
                font-size: 32px;
            }
            .team-note {
                font-size: 14px;
                padding: 20px;
            }
        }

        /* ========== FAQ 区 ========== */
        .faq-section {
            padding: 100px 0;
        }

        .accordion {
            max-width: 860px;
            margin: 0 auto;
        }

        .accordion-item {
            background: var(--bg-glass);
            border: 1px solid var(--glass-border);
            border-radius: 14px !important;
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            margin-bottom: 16px;
            overflow: hidden;
            box-shadow: none;
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
        }

        .accordion-item:last-child {
            margin-bottom: 0;
        }

        .accordion-item.is-active {
            border-color: rgba(59, 130, 246, 0.4);
            box-shadow: 0 0 0 1px rgba(59, 130, 246, 0.25), 0 0 24px rgba(59, 130, 246, 0.12);
        }

        .accordion-header {
            background: transparent;
        }

        .accordion-button {
            background: transparent;
            color: var(--text-hi);
            font-size: 16px;
            font-weight: 600;
            padding: 20px 24px;
            line-height: 1.5;
            letter-spacing: 0.3px;
            box-shadow: none !important;
            border-radius: 14px !important;
            border-bottom: 1px solid transparent;
        }

        .accordion-button:not(.collapsed) {
            background: transparent;
            color: var(--text-hi);
            border-bottom-color: rgba(255, 255, 255, 0.06);
        }

        .accordion-button::after {
            background-image: none;
            content: "+";
            font-family: var(--font-num);
            font-size: 24px;
            font-weight: 400;
            color: var(--accent);
            width: auto;
            height: auto;
            background-size: contain;
            transition: transform 0.3s ease;
            line-height: 1;
        }

        .accordion-button:not(.collapsed)::after {
            transform: rotate(45deg);
            background-image: none;
            color: var(--accent);
        }

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

        .accordion-body {
            padding: 6px 24px 24px;
            color: var(--text-mid);
            font-size: 14px;
            line-height: 1.75;
            background: transparent;
        }

        @media (max-width: 767.98px) {
            .faq-section {
                padding: 56px 0;
            }
            .accordion-button {
                font-size: 15px;
                padding: 18px 18px;
            }
            .accordion-body {
                padding: 4px 18px 20px;
            }
        }

        /* ========== CTA 区 ========== */
        .cta-section {
            padding: 80px 0 100px;
            text-align: center;
            background: linear-gradient(180deg, transparent, rgba(14, 23, 53, 0.3));
        }

        .cta-section h2 {
            font-size: 32px;
            font-weight: 700;
            color: var(--text-hi);
            letter-spacing: 0.5px;
            margin-bottom: 16px;
        }

        .cta-section p {
            font-size: 16px;
            color: var(--text-mid);
            max-width: 560px;
            margin: 0 auto 36px;
        }

        .cta-actions {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
            margin-bottom: 20px;
        }

        .cta-note {
            font-size: 13px;
            color: var(--text-low);
            margin: 14px auto 0;
        }

        @media (max-width: 767.98px) {
            .cta-section {
                padding: 56px 0 80px;
            }
            .cta-section h2 {
                font-size: 26px;
            }
            .cta-actions .btn-main,
            .cta-actions .btn-ghost {
                width: 100%;
            }
        }

        /* ========== 桌面浮动按钮 ========== */
        .float-contact {
            position: fixed;
            right: 28px;
            bottom: 28px;
            z-index: 1050;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 0 24px rgba(59, 130, 246, 0.6);
            cursor: pointer;
            text-decoration: none;
            transition: width 0.3s ease, border-radius 0.3s ease, background 0.3s ease, box-shadow 0.3s ease;
            overflow: hidden;
            white-space: nowrap;
        }

        .float-contact i {
            color: #fff;
            font-size: 20px;
            flex-shrink: 0;
            margin: 0 18px;
        }

        .float-contact .float-label {
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            opacity: 0;
            width: 0;
            transition: opacity 0.3s ease, width 0.3s ease;
        }

        .float-contact:hover {
            width: 190px;
            border-radius: 28px;
            background: linear-gradient(135deg, #3B82F6, #2563EB);
            box-shadow: 0 0 32px rgba(59, 130, 246, 0.7);
        }

        .float-contact:hover .float-label {
            opacity: 1;
            width: auto;
            padding-right: 20px;
        }

        @media (max-width: 767.98px) {
            .float-contact {
                display: none;
            }
        }

        /* ========== 移动端底部转化条 ========== */
        .mobile-tab {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            height: 64px;
            background: rgba(7, 13, 31, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-top: 1px solid rgba(245, 184, 46, 0.6);
            box-shadow: 0 -6px 24px rgba(0, 0, 0, 0.3);
            display: none;
            align-items: center;
            justify-content: space-between;
            padding: 0 20px;
            z-index: 1060;
            transform: translateY(100%);
            transition: transform 0.3s ease;
        }

        .mobile-tab.visible {
            transform: translateY(0);
        }

        .mobile-tab .tab-label {
            font-size: 14px;
            color: var(--text-mid);
        }

        .mobile-tab .tab-label strong {
            display: block;
            font-size: 15px;
            color: var(--text-hi);
            font-weight: 600;
        }

        .mobile-tab .btn-main {
            padding: 10px 22px;
            font-size: 14px;
        }

        @media (max-width: 767.98px) {
            .mobile-tab {
                display: flex;
            }
            body {
                padding-bottom: 0;
            }
        }

        /* ========== 响应式通用 ========== */
        @media (max-width: 991.98px) {
            .section-head {
                margin-bottom: 40px;
            }
            .section-head h2 {
                font-size: 28px;
            }
        }

        @media (max-width: 767.98px) {
            .section-head {
                margin-bottom: 32px;
            }
            .section-head h2 {
                font-size: 24px;
            }
            .section-head p {
                font-size: 14px;
            }
        }

        /* 动效偏好 */
        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                transition: none !important;
                animation: none !important;
                scroll-behavior: auto !important;
            }
        }