/* roulang page: index */
:root {
            --color-bg: #0B0E17;
            --color-bg-section: #0F1420;
            --color-bg-panel: #151B2A;
            --color-primary: #35E0C1;
            --color-primary-dark: #1FB596;
            --color-accent: #FFB84D;
            --color-text: #E8EDF5;
            --color-text-secondary: #8A95A8;
            --color-text-muted: #4B5563;
            --glass-border: rgba(255, 255, 255, 0.12);
            --glass-bg: rgba(255, 255, 255, 0.04);
            --glass-bg-strong: rgba(255, 255, 255, 0.06);
            --radius-lg: 22px;
            --radius-md: 15px;
            --radius-sm: 9px;
            --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.35);
            --glow-primary: 0 0 20px rgba(53, 224, 193, 0.35);
            --glow-primary-hover: 0 0 36px rgba(53, 224, 193, 0.55);
            --glow-accent: 0 0 20px rgba(255, 184, 77, 0.28);
            --spacing-section: 88px;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
            --font-num: "Barlow Condensed", "DIN Alternate", "Roboto Condensed", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.75;
            font-size: 0.9375rem;
            overflow-x: hidden;
        }

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

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

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

        .container {
            max-width: 1280px;
        }

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

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

        .section-title-wrap {
            margin-bottom: 48px;
        }

        .section-title-wrap .section-eyebrow {
            color: var(--color-primary);
            font-size: 0.875rem;
            letter-spacing: 0.08em;
            font-weight: 600;
            text-transform: uppercase;
            margin-bottom: 10px;
            display: block;
        }

        .section-title-wrap h2 {
            font-size: clamp(1.8rem, 2.8vw, 2.4rem);
            font-weight: 700;
            line-height: 1.3;
            position: relative;
            padding-left: 18px;
            margin-bottom: 12px;
        }

        .section-title-wrap h2::before {
            content: "";
            position: absolute;
            left: 0;
            top: 0.12em;
            width: 6px;
            height: 0.78em;
            background: var(--color-primary);
            border-radius: 3px;
            box-shadow: var(--glow-primary);
        }

        .section-title-wrap .subtitle {
            color: var(--color-text-secondary);
            font-size: 1rem;
            max-width: 640px;
            line-height: 1.7;
        }

        /* 分隔高光 */
        .glass-divider {
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.12), transparent);
            border: none;
            margin: 0;
        }

        /* ===== 导航 ===== */
        .navbar-custom {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            height: 72px;
            background: rgba(11, 14, 23, 0.72);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: background 0.3s ease, box-shadow 0.3s ease;
            padding: 0;
        }

        .navbar-custom.scrolled {
            background: rgba(11, 14, 23, 0.92);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
        }

        .navbar-custom .navbar-inner {
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .navbar-custom .navbar-brand-custom {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .navbar-custom .brand-logo {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #0B0E17;
            font-size: 18px;
            font-weight: 700;
            box-shadow: var(--glow-primary);
            flex-shrink: 0;
        }

        .navbar-custom .brand-text {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-text);
            letter-spacing: 0.01em;
            white-space: nowrap;
        }

        .navbar-custom .navbar-menu {
            display: flex;
            align-items: center;
            gap: 6px;
            margin: 0;
            padding: 0;
            list-style: none;
        }

        .navbar-custom .navbar-menu .nav-link-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 18px;
            font-size: 0.9375rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            border-radius: var(--radius-sm);
            transition: all 0.25s ease;
            position: relative;
            white-space: nowrap;
        }

        .navbar-custom .navbar-menu .nav-link-custom:hover {
            color: var(--color-text);
            background: var(--glass-bg);
        }

        .navbar-custom .navbar-menu .nav-link-custom.active {
            color: var(--color-primary);
        }

        .navbar-custom .navbar-menu .nav-link-custom.active::after {
            content: "";
            position: absolute;
            bottom: 2px;
            left: 18px;
            right: 18px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            box-shadow: var(--glow-primary);
        }

        .navbar-custom .navbar-right {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .navbar-custom .search-btn {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            border: 1px solid var(--glass-border);
            background: var(--glass-bg);
            color: var(--color-text-secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.25s ease;
            cursor: pointer;
        }

        .navbar-custom .search-btn:hover {
            color: var(--color-primary);
            border-color: rgba(53, 224, 193, 0.4);
            box-shadow: var(--glow-primary);
        }

        .navbar-custom .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            border-radius: 10px;
            font-weight: 600;
            font-size: 0.9rem;
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
            color: #0B0E17;
            border: none;
            cursor: pointer;
            transition: all 0.25s ease;
            box-shadow: var(--glow-primary);
            white-space: nowrap;
        }

        .navbar-custom .nav-cta-btn:hover {
            box-shadow: var(--glow-primary-hover);
            transform: translateY(-2px);
            color: #0B0E17;
        }

        .navbar-custom .nav-cta-btn:active {
            transform: translateY(0);
        }

        .navbar-custom .navbar-toggler-custom {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            border: 1px solid var(--glass-border);
            background: var(--glass-bg);
            color: var(--color-text);
            font-size: 1.1rem;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.25s ease;
        }

        .navbar-custom .navbar-toggler-custom:hover {
            border-color: rgba(53, 224, 193, 0.4);
            color: var(--color-primary);
        }

        /* 移动端导航菜单 */
        .mobile-menu {
            display: none;
            position: fixed;
            top: 72px;
            left: 0;
            right: 0;
            z-index: 1040;
            background: rgba(13, 17, 27, 0.97);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--glass-border);
            padding: 24px;
            flex-direction: column;
            gap: 12px;
        }

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

        .mobile-menu a {
            padding: 14px 20px;
            border-radius: var(--radius-md);
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--color-text);
            background: var(--glass-bg);
            border: 1px solid transparent;
            transition: all 0.25s ease;
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--color-primary);
            border-color: rgba(53, 224, 193, 0.25);
            background: rgba(53, 224, 193, 0.06);
        }

        /* ===== Hero 分屏 ===== */
        .hero-section {
            min-height: 100vh;
            min-height: 720px;
            max-height: 900px;
            display: flex;
            align-items: center;
            position: relative;
            padding-top: 72px;
            background-color: var(--color-bg);
            overflow: hidden;
        }

        .hero-section::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 55%;
            height: 100%;
            background-image:
                linear-gradient(rgba(53, 224, 193, 0.04) 1px, transparent 1px),
                linear-gradient(90deg, rgba(53, 224, 193, 0.04) 1px, transparent 1px);
            background-size: 48px 48px;
            pointer-events: none;
        }

        .hero-section .hero-glow {
            position: absolute;
            top: 20%;
            left: 10%;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(53, 224, 193, 0.08) 0%, transparent 70%);
            pointer-events: none;
            z-index: 0;
        }

        .hero-section .hero-content-side {
            position: relative;
            z-index: 2;
            padding: 60px 0 60px 24px;
        }

        .hero-section .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            border-radius: 30px;
            background: rgba(53, 224, 193, 0.1);
            border: 1px solid rgba(53, 224, 193, 0.25);
            color: var(--color-primary);
            font-size: 0.8125rem;
            font-weight: 500;
            margin-bottom: 24px;
        }

        .hero-section .hero-badge i {
            font-size: 0.7rem;
        }

        .hero-section h1 {
            font-size: clamp(2.4rem, 4.5vw, 3.6rem);
            font-weight: 800;
            line-height: 1.15;
            margin-bottom: 20px;
            letter-spacing: -0.015em;
            color: var(--color-text);
        }

        .hero-section h1 .highlight {
            background: linear-gradient(135deg, var(--color-primary), #7FF0DA);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-section .hero-subtitle {
            font-size: 1.0625rem;
            color: var(--color-text-secondary);
            max-width: 520px;
            line-height: 1.75;
            margin-bottom: 36px;
        }

        .hero-section .hero-cta-group {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 40px;
        }

        .btn-primary-glow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 10px;
            font-weight: 600;
            font-size: 0.95rem;
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
            color: #0B0E17;
            border: none;
            cursor: pointer;
            transition: all 0.25s ease;
            box-shadow: var(--glow-primary);
        }

        .btn-primary-glow:hover {
            box-shadow: var(--glow-primary-hover);
            transform: translateY(-2px);
            color: #0B0E17;
        }

        .btn-primary-glow:active {
            transform: translateY(0);
            box-shadow: var(--glow-primary);
        }

        .btn-outline-ghost {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 30px;
            border-radius: 10px;
            font-weight: 600;
            font-size: 0.95rem;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: var(--color-text);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            cursor: pointer;
            transition: all 0.25s ease;
        }

        .btn-outline-ghost:hover {
            border-color: rgba(53, 224, 193, 0.5);
            color: var(--color-primary);
            box-shadow: var(--glow-primary);
            background: rgba(53, 224, 193, 0.05);
        }

        .hero-section .hero-trust {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
        }

        .hero-section .trust-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.85rem;
            color: var(--color-text-secondary);
        }

        .hero-section .trust-item i {
            color: var(--color-primary);
            font-size: 0.95rem;
        }

        .hero-section .hero-visual-side {
            position: relative;
            min-height: 480px;
            z-index: 1;
        }

        .hero-visual-side .hero-img-wrap {
            position: absolute;
            top: 0;
            right: 0;
            bottom: 0;
            width: 108%;
            border-radius: var(--radius-lg);
            overflow: hidden;
            background-color: var(--color-bg-section);
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            box-shadow: var(--shadow-card);
            border: 1px solid rgba(255, 255, 255, 0.06);
        }

        .hero-visual-side .hero-img-wrap::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 14, 23, 0.15) 0%, rgba(11, 14, 23, 0.55) 100%);
            border-radius: var(--radius-lg);
        }

        .hero-float-panel {
            position: absolute;
            bottom: 40px;
            left: 20px;
            right: 20px;
            z-index: 5;
            background: rgba(15, 20, 32, 0.75);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: 18px;
            padding: 22px 24px;
            box-shadow: var(--shadow-card);
        }

        .hero-float-panel .float-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 10px;
        }

        .hero-float-panel .float-label {
            font-size: 0.8125rem;
            color: var(--color-text-secondary);
        }

        .hero-float-panel .float-value {
            font-family: var(--font-num);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-primary);
        }

        .hero-float-panel .float-status {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.8125rem;
            color: var(--color-text);
            padding: 5px 12px;
            border-radius: 20px;
            background: rgba(53, 224, 193, 0.1);
            border: 1px solid rgba(53, 224, 193, 0.25);
        }

        .hero-float-panel .float-status i {
            color: var(--color-primary);
            font-size: 0.65rem;
        }

        /* ===== 指标看板 ===== */
        .metrics-section {
            background: var(--color-bg-section);
            padding: 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .metrics-bar {
            background: rgba(255, 255, 255, 0.035);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 20px;
            margin-top: -40px;
            position: relative;
            z-index: 10;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.45);
            display: grid;
            grid-template-columns: repeat(4, 1fr);
        }

        .metrics-bar .metric-item {
            padding: 30px 28px;
            text-align: center;
            position: relative;
            transition: background 0.3s ease;
        }

        .metrics-bar .metric-item:not(:first-child)::before {
            content: "";
            position: absolute;
            left: 0;
            top: 20%;
            bottom: 20%;
            width: 1px;
            background: linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.12), transparent);
        }

        .metrics-bar .metric-item:hover {
            background: rgba(255, 255, 255, 0.02);
        }

        .metrics-bar .metric-num {
            font-family: var(--font-num);
            font-size: clamp(2.4rem, 3.8vw, 3.6rem);
            font-weight: 700;
            line-height: 1.1;
            color: var(--color-primary);
            letter-spacing: -0.02em;
            display: block;
        }

        .metrics-bar .metric-label {
            font-size: 0.875rem;
            color: var(--color-text-secondary);
            margin-top: 6px;
            display: block;
        }

        .metrics-bar .metric-trend {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 0.75rem;
            color: var(--color-accent);
            margin-top: 8px;
        }

        /* ===== 服务矩阵 ===== */
        .services-section {
            background: var(--color-bg);
            padding: var(--spacing-section) 0;
        }

        .service-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            padding: 32px 30px;
            height: 100%;
            display: flex;
            flex-direction: column;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
        }

        .service-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
        }

        .service-card:hover {
            transform: translateY(-6px);
            border-color: rgba(53, 224, 193, 0.3);
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4), var(--glow-primary);
            background: rgba(53, 224, 193, 0.04);
        }

        .service-card .service-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: linear-gradient(135deg, rgba(53, 224, 193, 0.15), rgba(53, 224, 193, 0.04));
            border: 1px solid rgba(53, 224, 193, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.25rem;
            color: var(--color-primary);
            margin-bottom: 22px;
            box-shadow: 0 0 14px rgba(53, 224, 193, 0.12);
        }

        .service-card h3 {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 12px;
        }

        .service-card p.service-desc {
            color: var(--color-text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
            margin-bottom: 24px;
            flex-grow: 1;
        }

        .service-card .service-metric {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-family: var(--font-num);
            font-size: 1.125rem;
            font-weight: 700;
            color: var(--color-accent);
            padding: 6px 16px;
            border-radius: 20px;
            background: rgba(255, 184, 77, 0.08);
            border: 1px solid rgba(255, 184, 77, 0.25);
            align-self: flex-start;
            margin-bottom: 18px;
        }

        .service-card .service-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--color-primary);
            opacity: 0.8;
            transition: all 0.25s ease;
        }

        .service-card .service-link i {
            transition: transform 0.25s ease;
        }

        .service-card .service-link:hover {
            color: var(--color-primary);
            opacity: 1;
        }

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

        .service-wide-card {
            background: linear-gradient(135deg, rgba(53, 224, 193, 0.08), rgba(255, 184, 77, 0.05));
            border: 1px solid rgba(53, 224, 193, 0.2);
            border-radius: var(--radius-lg);
            padding: 36px 40px;
            display: flex;
            align-items: center;
            gap: 32px;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
            margin-top: 24px;
            transition: all 0.3s ease;
        }

        .service-wide-card::after {
            content: "";
            position: absolute;
            top: -40%;
            right: -10%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(255, 184, 77, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }

        .service-wide-card:hover {
            border-color: rgba(255, 184, 77, 0.4);
            box-shadow: var(--glow-accent);
        }

        .service-wide-card .wide-icon {
            width: 64px;
            height: 64px;
            border-radius: 18px;
            background: linear-gradient(135deg, rgba(255, 184, 77, 0.15), rgba(255, 184, 77, 0.04));
            border: 1px solid rgba(255, 184, 77, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--color-accent);
            flex-shrink: 0;
        }

        .service-wide-card .wide-content {
            flex: 1;
            min-width: 260px;
        }

        .service-wide-card .wide-content h3 {
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--color-text);
        }

        .service-wide-card .wide-content p {
            color: var(--color-text-secondary);
            font-size: 0.9rem;
            max-width: 620px;
            margin-bottom: 0;
            line-height: 1.7;
        }

        .service-wide-card .wide-metric {
            text-align: right;
            flex-shrink: 0;
        }

        .service-wide-card .wide-metric-num {
            font-family: var(--font-num);
            font-size: 2.8rem;
            font-weight: 700;
            color: var(--color-accent);
            display: block;
            line-height: 1.1;
        }

        .service-wide-card .wide-metric-label {
            font-size: 0.8125rem;
            color: var(--color-text-secondary);
        }

        /* ===== 结果对比 ===== */
        .compare-section {
            background: var(--color-bg-section);
            padding: var(--spacing-section) 0;
            position: relative;
            overflow: hidden;
        }

        .compare-section::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.08), transparent);
        }

        .compare-card {
            background: rgba(255, 255, 255, 0.035);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            padding: 36px 32px;
            height: 100%;
            transition: all 0.3s ease;
        }

        .compare-card.platform-card {
            border-color: rgba(53, 224, 193, 0.3);
            box-shadow: var(--glow-primary);
        }

        .compare-card .compare-title {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 1.125rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 28px;
        }

        .compare-card.platform-card .compare-title i {
            color: var(--color-primary);
            font-size: 1.35rem;
        }

        .compare-card.baseline-card .compare-title i {
            color: var(--color-text-muted);
            font-size: 1.35rem;
        }

        .compare-row {
            margin-bottom: 26px;
        }

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

        .compare-row .compare-row-header {
            display: flex;
            justify-content: space-between;
            align-items: baseline;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            margin-bottom: 8px;
        }

        .compare-row .compare-row-header .value {
            font-family: var(--font-num);
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-text);
        }

        .compare-card.platform-card .value {
            color: var(--color-primary);
        }

        .compare-row .compare-bar {
            height: 6px;
            border-radius: 3px;
            background: rgba(255, 255, 255, 0.06);
            overflow: hidden;
            position: relative;
        }

        .compare-row .compare-bar .fill {
            position: absolute;
            top: 0;
            left: 0;
            bottom: 0;
            border-radius: 3px;
            transition: width 0.6s ease;
        }

        .compare-card.platform-card .fill {
            background: linear-gradient(90deg, var(--color-primary), rgba(53, 224, 193, 0.4));
            box-shadow: 0 0 12px rgba(53, 224, 193, 0.3);
        }

        .compare-card.baseline-card .fill {
            background: rgba(139, 149, 168, 0.4);
        }

        .compare-summary {
            text-align: center;
            margin-top: 48px;
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--color-text);
            position: relative;
            display: inline-block;
            left: 50%;
            transform: translateX(-50%);
            padding: 12px 28px;
            border-radius: 30px;
            background: rgba(255, 184, 77, 0.08);
            border: 1px solid rgba(255, 184, 77, 0.25);
            color: var(--color-accent);
            white-space: nowrap;
        }

        /* ===== 最新动态 ===== */
        .news-section {
            background: var(--color-bg);
            padding: var(--spacing-section) 0;
        }

        .news-layout {
            display: grid;
            grid-template-columns: 42% 58%;
            gap: 32px;
        }

        .news-featured {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .news-featured:hover {
            transform: translateY(-4px);
            border-color: rgba(53, 224, 193, 0.25);
            box-shadow: var(--shadow-card);
        }

        .news-featured .news-featured-img {
            display: block;
            width: 100%;
            height: 220px;
            background-color: var(--color-bg-section);
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .news-featured .news-featured-img::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(11, 14, 23, 0.4));
        }

        .news-featured .news-featured-body {
            padding: 28px 28px 24px;
        }

        .news-featured .news-featured-body h3 {
            font-size: 1.125rem;
            font-weight: 600;
            line-height: 1.55;
            margin: 12px 0 12px;
        }

        .news-featured .news-featured-body h3 a {
            color: var(--color-text);
            transition: color 0.25s ease;
        }

        .news-featured .news-featured-body h3 a:hover {
            color: var(--color-primary);
        }

        .news-featured .news-featured-body .summary {
            color: var(--color-text-secondary);
            font-size: 0.875rem;
            line-height: 1.7;
            margin-bottom: 18px;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .badge-category {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            background: rgba(255, 184, 77, 0.08);
            border: 1px solid rgba(255, 184, 77, 0.3);
            color: var(--color-accent);
            white-space: nowrap;
        }

        .news-featured .news-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.8125rem;
            color: var(--color-text-secondary);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 14px;
        }

        .news-featured .news-meta a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--color-primary);
            font-weight: 600;
        }

        .news-featured .news-meta a:hover {
            text-decoration: underline;
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .news-list-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 18px 22px;
            border-radius: var(--radius-md);
            background: rgba(255, 255, 255, 0.025);
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: all 0.3s ease;
            min-height: 52px;
        }

        .news-list-item:hover {
            background: rgba(255, 255, 255, 0.05);
            border-color: rgba(53, 224, 193, 0.2);
            transform: translateX(4px);
        }

        .news-list-item .news-list-title {
            flex: 1;
            font-size: 0.9375rem;
            font-weight: 500;
            color: var(--color-text);
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

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

        .news-list-item .news-list-date {
            font-size: 0.8125rem;
            color: var(--color-text-muted);
            white-space: nowrap;
        }

        .news-list-item .news-arrow {
            color: var(--color-primary);
            opacity: 0.5;
            transition: all 0.3s ease;
            font-size: 0.85rem;
        }

        .news-list-item:hover .news-arrow {
            opacity: 1;
            transform: translateX(4px);
        }

        .news-empty {
            text-align: center;
            padding: 80px 24px;
            background: rgba(255, 255, 255, 0.025);
            border: 1px dashed rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-lg);
            grid-column: 1 / -1;
        }

        .news-empty i {
            color: var(--color-text-muted);
            margin-bottom: 16px;
            font-size: 2.2rem;
        }

        .news-empty p {
            color: var(--color-text-secondary);
            font-size: 0.9375rem;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--color-bg-section);
            padding: var(--spacing-section) 0;
        }

        .faq-wrap {
            max-width: 880px;
            margin: 0 auto;
        }

        .faq-item {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .faq-item.active {
            background: rgba(53, 224, 193, 0.05);
            border-color: rgba(53, 224, 193, 0.3);
            box-shadow: 0 0 20px rgba(53, 224, 193, 0.08);
        }

        .faq-item .faq-question {
            display: flex;
            align-items: center;
            gap: 18px;
            padding: 22px 26px;
            cursor: pointer;
            user-select: none;
            transition: background 0.3s ease;
        }

        .faq-item .faq-question:hover {
            background: rgba(255, 255, 255, 0.02);
        }

        .faq-item .faq-num {
            font-family: var(--font-num);
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-primary);
            width: 32px;
            text-align: center;
            flex-shrink: 0;
        }

        .faq-item .faq-q-text {
            flex: 1;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text);
            line-height: 1.5;
        }

        .faq-item .faq-toggle {
            width: 30px;
            height: 30px;
            border-radius: 50%;
            border: 1px solid var(--glass-border);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            color: var(--color-text-secondary);
            transition: all 0.3s ease;
            flex-shrink: 0;
        }

        .faq-item.active .faq-toggle {
            transform: rotate(180deg);
            color: var(--color-primary);
            border-color: rgba(53, 224, 193, 0.4);
        }

        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 26px;
        }

        .faq-item.active .faq-answer {
            max-height: 400px;
            padding: 0 26px 22px 76px;
        }

        .faq-item .faq-answer p {
            color: var(--color-text-secondary);
            font-size: 0.9375rem;
            line-height: 1.8;
            margin-bottom: 12px;
        }

        .faq-item .faq-answer .faq-more-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-primary);
        }

        /* ===== 表单 ===== */
        .contact-section {
            background: var(--color-bg);
            padding: var(--spacing-section) 0;
            position: relative;
            overflow: hidden;
        }

        .contact-section::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(53, 224, 193, 0.15), transparent);
        }

        .contact-panel {
            background: rgba(255, 255, 255, 0.035);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            padding: 48px;
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            box-shadow: var(--shadow-card);
        }

        .contact-panel .form-control,
        .contact-panel .form-select {
            background-color: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: 10px;
            padding: 12px 16px;
            color: var(--color-text);
            font-size: 0.9375rem;
            transition: all 0.25s ease;
        }

        .contact-panel .form-control::placeholder,
        .contact-panel .form-select::placeholder {
            color: var(--color-text-muted);
        }

        .contact-panel .form-control:focus,
        .contact-panel .form-select:focus {
            background-color: rgba(255, 255, 255, 0.06);
            border-color: var(--color-primary);
            box-shadow: 0 0 0 4px rgba(53, 224, 193, 0.12);
            color: var(--color-text);
            outline: none;
        }

        .contact-panel .form-select option {
            background-color: var(--color-bg-panel);
            color: var(--color-text);
        }

        .contact-panel .form-label {
            font-size: 0.875rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            margin-bottom: 8px;
        }

        .contact-info-side {
            background: rgba(255, 255, 255, 0.025);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            padding: 40px 36px;
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .contact-info-side h4 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 20px;
        }

        .contact-info-side .info-list {
            list-style: none;
            padding: 0;
            margin: 0 0 30px;
        }

        .contact-info-side .info-list li {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 14px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 0.9375rem;
            color: var(--color-text-secondary);
        }

        .contact-info-side .info-list li i {
            width: 38px;
            height: 38px;
            border-radius: 12px;
            background: rgba(53, 224, 193, 0.1);
            border: 1px solid rgba(53, 224, 193, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary);
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .contact-info-side .info-metrics {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            margin-top: auto;
        }

        .contact-info-side .info-metric-item {
            background: rgba(53, 224, 193, 0.05);
            border: 1px solid rgba(53, 224, 193, 0.15);
            border-radius: 14px;
            padding: 18px 16px;
            text-align: center;
        }

        .contact-info-side .info-metric-item .num {
            font-family: var(--font-num);
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-primary);
            display: block;
        }

        .contact-info-side .info-metric-item .label {
            font-size: 0.75rem;
            color: var(--color-text-secondary);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #070A11;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 70px 0 0;
        }

        .site-footer .footer-top {
            padding-bottom: 50px;
        }

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

        .site-footer .footer-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }

        .site-footer .footer-logo .footer-logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #0B0E17;
            font-weight: 700;
            font-size: 0.9375rem;
        }

        .site-footer .footer-logo .footer-logo-text {
            font-size: 1.125rem;
            font-weight: 700;
            color: var(--color-text);
        }

        .site-footer .footer-desc {
            color: var(--color-text-muted);
            font-size: 0.875rem;
            line-height: 1.7;
            max-width: 340px;
        }

        .site-footer .footer-title {
            font-size: 0.9375rem;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 20px;
        }

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

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

        .site-footer .footer-links a {
            color: var(--color-text-muted);
            font-size: 0.875rem;
            transition: all 0.25s ease;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .site-footer .footer-links a:hover {
            color: var(--color-primary);
            padding-left: 4px;
        }

        .site-footer .footer-contact-item {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            color: var(--color-text-muted);
            font-size: 0.85rem;
            margin-bottom: 14px;
        }

        .site-footer .footer-contact-item i {
            color: var(--color-primary);
            margin-top: 3px;
            width: 16px;
            text-align: center;
        }

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 22px 0;
            text-align: center;
        }

        .site-footer .footer-bottom .copyright {
            color: var(--color-text-muted);
            font-size: 0.8125rem;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1399px) {
            .container {
                max-width: 1200px;
            }
        }

        @media (max-width: 991px) {
            .navbar-custom .navbar-menu {
                display: none;
            }

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

            .navbar-custom .navbar-right .search-btn {
                display: none;
            }

            .hero-section {
                min-height: auto;
                padding-top: 72px;
                padding-bottom: 40px;
            }

            .hero-section .hero-content-side {
                padding: 60px 24px 40px;
            }

            .hero-section .hero-visual-side {
                min-height: 400px;
                margin-top: 20px;
            }

            .hero-visual-side .hero-img-wrap {
                position: relative;
                width: 100%;
                height: 100%;
                min-height: 400px;
            }

            .metrics-bar {
                grid-template-columns: repeat(2, 1fr);
                margin-top: 20px;
            }

            .metrics-bar .metric-item:nth-child(3)::before {
                display: none;
            }

            .news-layout {
                grid-template-columns: 1fr;
            }

            .compare-summary {
                white-space: normal;
                left: 0;
                transform: none;
                display: block;
                text-align: center;
            }
        }

        @media (max-width: 767px) {
            :root {
                --spacing-section: 56px;
            }

            .navbar-custom {
                height: 60px;
            }

            .mobile-menu {
                top: 60px;
            }

            .navbar-custom .brand-text {
                font-size: 0.95rem;
            }

            .navbar-custom .navbar-inner {
                padding: 0 16px;
            }

            .navbar-custom .nav-cta-btn {
                padding: 8px 16px;
                font-size: 0.8125rem;
            }

            .hero-section .hero-content-side {
                padding: 40px 16px 30px;
            }

            .hero-section h1 {
                font-size: clamp(2rem, 3.2vw, 2.6rem);
            }

            .hero-section .hero-subtitle {
                font-size: 0.95rem;
            }

            .hero-section .hero-cta-group {
                flex-direction: column;
            }

            .hero-section .hero-cta-group .btn-primary-glow,
            .hero-section .hero-cta-group .btn-outline-ghost {
                width: 100%;
                justify-content: center;
            }

            .hero-section .hero-trust {
                flex-direction: column;
                gap: 10px;
            }

            .hero-section .hero-visual-side {
                min-height: 300px;
                margin-left: 16px;
                margin-right: 16px;
            }

            .hero-visual-side .hero-img-wrap {
                min-height: 300px;
            }

            .hero-float-panel {
                left: 12px;
                right: 12px;
                bottom: 20px;
                padding: 16px 18px;
            }

            .metrics-bar {
                grid-template-columns: repeat(2, 1fr);
                border-radius: 16px;
            }

            .metrics-bar .metric-item {
                padding: 24px 16px;
            }

            .metrics-bar .metric-item:nth-child(2)::before {
                display: none;
            }

            .metrics-bar .metric-num {
                font-size: 2.2rem;
            }

            .metric-item:nth-child(3)::before {
                display: none;
            }

            .service-wide-card {
                padding: 26px 24px;
                flex-direction: column;
                align-items: flex-start;
                gap: 20px;
            }

            .service-wide-card .wide-metric {
                text-align: left;
            }

            .compare-card {
                padding: 24px 20px;
            }

            .compare-card.baseline-card {
                margin-top: 20px;
            }

            .contact-panel {
                padding: 32px 24px;
            }

            .contact-info-side {
                margin-top: 24px;
                padding: 32px 24px;
            }

            .news-list-item {
                padding: 14px 16px;
                flex-wrap: wrap;
                gap: 8px;
            }

            .news-list-item .news-list-title {
                white-space: normal;
                display: -webkit-box;
                -webkit-line-clamp: 2;
                -webkit-box-orient: vertical;
                overflow: hidden;
            }

            .faq-item .faq-question {
                padding: 18px 18px;
                gap: 14px;
            }

            .faq-item.active .faq-answer {
                padding: 0 18px 18px 48px;
            }

            .section-title-wrap h2 {
                font-size: 1.7rem;
            }

            .site-footer .footer-bottom {
                padding: 18px 16px;
            }
        }

        @media (max-width: 520px) {
            .metrics-bar {
                grid-template-columns: 1fr;
            }

            .metrics-bar .metric-item:not(:first-child)::before {
                top: 0;
                left: 20%;
                right: 20%;
                bottom: auto;
                width: auto;
                height: 1px;
            }

            .navbar-custom .nav-cta-btn span.cta-text {
                display: none;
            }

            .navbar-custom .nav-cta-btn {
                width: 44px;
                padding: 0;
                justify-content: center;
                height: 40px;
            }

            .contact-info-side .info-metrics {
                grid-template-columns: 1fr;
            }
        }

/* roulang page: article */
:root {
            --bg-primary: #0B0E17;
            --bg-secondary: #0F1420;
            --bg-panel: #151B2A;
            --glass-bg: rgba(255,255,255,0.04);
            --glass-border: rgba(255,255,255,0.12);
            --text-primary: #E8EDF5;
            --text-secondary: #8A95A8;
            --text-muted: #4B5563;
            --accent-cyan: #35E0C1;
            --accent-cyan-dark: #1FB596;
            --accent-amber: #FFB84D;
            --radius-lg: 22px;
            --radius-md: 14px;
            --radius-sm: 8px;
            --shadow-card: 0 8px 30px rgba(0,0,0,0.35);
            --shadow-glow: 0 0 20px rgba(53,224,193,0.35);
            --transition: all 0.3s ease;
            --header-height: 72px;
            --content-max: 1280px;
            --bs-link-color: #35E0C1;
            --bs-link-hover-color: #FFB84D;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.75;
            font-size: 16px;
            overflow-x: hidden;
        }
        a {
            color: var(--accent-cyan);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent-amber);
        }
        img {
            max-width: 100%;
            height: auto;
        }
        button,
        input,
        textarea {
            font-family: inherit;
        }
        .container {
            max-width: var(--content-max);
            padding-left: 24px;
            padding-right: 24px;
        }
        .section-heading {
            margin-bottom: 36px;
            position: relative;
        }
        .section-heading h2 {
            font-size: clamp(1.8rem, 2.8vw, 2.4rem);
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 10px;
            padding-left: 18px;
            position: relative;
        }
        .section-heading h2::before {
            content: "";
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 6px;
            height: 28px;
            background: var(--accent-cyan);
            border-radius: 999px;
            box-shadow: 0 0 14px rgba(53,224,193,0.6);
        }
        .section-heading p {
            color: var(--text-secondary);
            font-size: 0.9375rem;
            margin-bottom: 0;
            padding-left: 18px;
        }
        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-cyan-dark));
            color: var(--bg-primary);
            font-weight: 600;
            border: none;
            border-radius: 10px;
            padding: 12px 28px;
            font-size: 0.9375rem;
            box-shadow: 0 0 20px rgba(53,224,193,0.35);
            transition: var(--transition);
            justify-content: center;
        }
        .btn-primary-custom:hover {
            color: var(--bg-primary);
            transform: translateY(-2px);
            box-shadow: 0 0 36px rgba(53,224,193,0.55);
        }
        .btn-primary-custom:active {
            transform: translateY(2px);
        }
        .glass-panel {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
        }
        .glass-panel::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(180deg, rgba(255,255,255,0.10), transparent);
        }
        .navbar-custom {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: var(--header-height);
            background: rgba(11,14,23,0.88);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(255,255,255,0.06);
            z-index: 1000;
        }
        .navbar-inner {
            max-width: calc(var(--content-max) + 48px);
            margin: 0 auto;
            padding: 0 24px;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }
        .navbar-brand-custom {
            display: flex;
            align-items: center;
            gap: 12px;
            min-width: 0;
            text-decoration: none;
        }
        .brand-logo {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, rgba(53,224,193,0.25), rgba(53,224,193,0.05));
            border: 1px solid rgba(53,224,193,0.4);
            color: var(--accent-cyan);
            font-size: 1rem;
            flex-shrink: 0;
        }
        .brand-text {
            font-size: 1.125rem;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.01em;
            white-space: nowrap;
        }
        .navbar-menu {
            display: flex;
            align-items: center;
            gap: 8px;
            margin: 0;
            padding: 0;
            list-style: none;
        }
        .nav-link-custom {
            display: inline-flex;
            align-items: center;
            padding: 10px 18px;
            border-radius: 999px;
            color: var(--text-secondary);
            font-size: 0.9375rem;
            font-weight: 500;
            transition: var(--transition);
        }
        .nav-link-custom:hover {
            color: var(--text-primary);
            background: rgba(255,255,255,0.06);
        }
        .nav-link-custom.active {
            color: var(--accent-cyan);
            background: rgba(53,224,193,0.08);
            position: relative;
        }
        .nav-link-custom.active::after {
            content: "";
            position: absolute;
            left: 50%;
            bottom: 4px;
            transform: translateX(-50%);
            width: 18px;
            height: 2px;
            border-radius: 999px;
            background: var(--accent-cyan);
        }
        .navbar-right {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .search-btn {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            border: 1px solid transparent;
            background: transparent;
            color: var(--text-secondary);
            font-size: 1rem;
            cursor: pointer;
            transition: var(--transition);
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .search-btn:hover {
            color: var(--accent-cyan);
            background: rgba(255,255,255,0.06);
            border-color: var(--glass-border);
        }
        .search-btn:focus-visible {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 2px;
        }
        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-cyan-dark));
            color: var(--bg-primary);
            font-weight: 600;
            border-radius: 10px;
            padding: 10px 22px;
            font-size: 0.875rem;
            box-shadow: 0 0 16px rgba(53,224,193,0.28);
            transition: var(--transition);
        }
        .nav-cta-btn:hover {
            color: var(--bg-primary);
            box-shadow: 0 0 30px rgba(53,224,193,0.5);
            transform: translateY(-1px);
        }
        .navbar-toggler-custom {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 10px;
            border: 1px solid var(--glass-border);
            background: transparent;
            color: var(--text-primary);
            font-size: 1.125rem;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }
        .navbar-toggler-custom:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
        }
        .article-header-section {
            position: relative;
            padding: calc(var(--header-height) + 56px) 0 48px;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            border-bottom: 1px solid rgba(255,255,255,0.06);
        }
        .article-header-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11,14,23,0.92) 0%, rgba(15,20,32,0.88) 100%);
        }
        .article-header-section .container {
            position: relative;
            z-index: 2;
        }
        .breadcrumb-nav {
            margin-bottom: 24px;
        }
        .breadcrumb {
            background: transparent;
            padding: 0;
            margin: 0;
            flex-wrap: wrap;
        }
        .breadcrumb-item,
        .breadcrumb-item a {
            font-size: 0.875rem;
            color: var(--text-secondary);
        }
        .breadcrumb-item + .breadcrumb-item::before {
            content: "/";
            color: var(--text-muted);
            padding: 0 8px;
        }
        .breadcrumb-item a:hover {
            color: var(--accent-cyan);
        }
        .breadcrumb-item.active {
            color: var(--text-primary);
            max-width: 520px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        .article-page-title {
            font-size: clamp(2rem, 3.6vw, 3rem);
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 20px;
            color: var(--text-primary);
            letter-spacing: 0.01em;
        }
        .article-meta-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 10px 28px;
            align-items: center;
        }
        .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.875rem;
            color: var(--text-secondary);
        }
        .meta-item i {
            color: var(--accent-cyan);
            font-size: 0.9375rem;
        }
        .article-body-section {
            padding: 64px 0 48px;
            background: var(--bg-primary);
        }
        .article-body-container {
            max-width: 920px;
            margin: 0 auto;
            padding: clamp(32px, 5vw, 56px);
            background: rgba(255,255,255,0.03);
        }
        .article-content {
            max-width: 780px;
            margin: 0 auto;
            color: var(--text-primary);
            font-size: 1rem;
            line-height: 1.9;
        }
        .article-content > *:last-child {
            margin-bottom: 0;
        }
        .article-content h2 {
            font-size: 1.625rem;
            font-weight: 700;
            line-height: 1.35;
            margin-top: 48px;
            margin-bottom: 20px;
            color: var(--text-primary);
            position: relative;
            padding-bottom: 10px;
        }
        .article-content h2::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 56px;
            height: 2px;
            background: var(--accent-cyan);
            border-radius: 999px;
        }
        .article-content h3 {
            font-size: 1.25rem;
            font-weight: 600;
            line-height: 1.4;
            margin-top: 32px;
            margin-bottom: 14px;
            color: var(--text-primary);
        }
        .article-content p {
            margin-bottom: 22px;
            color: var(--text-secondary);
        }
        .article-content ul,
        .article-content ol {
            margin: 0 0 24px;
            padding-left: 1.5rem;
            color: var(--text-secondary);
        }
        .article-content li {
            margin-bottom: 8px;
        }
        .article-content li::marker {
            color: var(--accent-cyan);
        }
        .article-content blockquote {
            border-left: 3px solid var(--accent-amber);
            background: rgba(255,184,77,0.06);
            padding: 20px 24px;
            margin: 32px 0;
            border-radius: 0 12px 12px 0;
            color: var(--text-secondary);
            font-style: normal;
        }
        .article-content blockquote p:last-child {
            margin-bottom: 0;
        }
        .article-content code {
            background: rgba(255,255,255,0.08);
            color: var(--accent-cyan);
            border-radius: 6px;
            padding: 3px 8px;
            font-size: 0.875rem;
            font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
        }
        .article-content pre {
            background: #0D1220;
            border: 1px solid var(--glass-border);
            border-radius: 14px;
            padding: 20px;
            margin: 32px 0;
            overflow-x: auto;
            line-height: 1.6;
        }
        .article-content pre code {
            background: transparent;
            padding: 0;
            font-size: 0.875rem;
            color: var(--text-primary);
        }
        .article-content img {
            border-radius: 14px;
            margin: 28px 0;
            box-shadow: var(--shadow-card);
        }
        .article-content a {
            color: var(--accent-cyan);
            border-bottom: 1px solid rgba(53,224,193,0.3);
            transition: var(--transition);
        }
        .article-content a:hover {
            color: var(--accent-amber);
            border-bottom-color: var(--accent-amber);
        }
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 40px;
            padding-top: 28px;
            border-top: 1px solid var(--glass-border);
        }
        .tag-item {
            display: inline-block;
            padding: 7px 16px;
            border-radius: 999px;
            background: rgba(255,184,77,0.08);
            border: 1px solid rgba(255,184,77,0.3);
            color: var(--accent-amber);
            font-size: 0.8125rem;
            font-weight: 500;
            transition: var(--transition);
        }
        .tag-item:hover {
            background: rgba(255,184,77,0.15);
            border-color: rgba(255,184,77,0.5);
        }
        .article-not-found {
            text-align: center;
            padding: 80px 20px;
        }
        .not-found-icon {
            width: 84px;
            height: 84px;
            margin: 0 auto 24px;
            border-radius: 20px;
            background: rgba(53,224,193,0.08);
            border: 1px solid rgba(53,224,193,0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2.25rem;
            color: var(--accent-cyan);
        }
        .article-not-found h2 {
            font-size: 1.75rem;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .article-not-found p {
            color: var(--text-secondary);
            margin-bottom: 28px;
            max-width: 420px;
            margin-left: auto;
            margin-right: auto;
        }
        .related-section {
            padding: 64px 0;
            background: var(--bg-secondary);
            border-top: 1px solid rgba(255,255,255,0.04);
        }
        .related-card {
            height: 100%;
            background: rgba(255,255,255,0.03);
            border: 1px solid var(--glass-border);
            border-radius: 16px;
            overflow: hidden;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .related-card:hover {
            transform: translateY(-6px);
            border-color: rgba(53,224,193,0.35);
            box-shadow: 0 12px 36px rgba(0,0,0,0.4);
        }
        .related-card-image {
            min-height: 180px;
            background-color: #151B2A;
            overflow: hidden;
        }
        .related-card-image img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .related-card:hover .related-card-image img {
            transform: scale(1.05);
        }
        .related-card-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .related-card-body h3 {
            font-size: 1.125rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 0;
            line-height: 1.4;
        }
        .related-card-body p {
            font-size: 0.875rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 0;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--accent-cyan);
            margin-top: 8px;
        }
        .related-link:hover {
            color: var(--accent-amber);
        }
        .related-link i {
            transition: transform 0.3s ease;
        }
        .related-link:hover i {
            transform: translateX(4px);
        }
        .article-cta-section {
            padding: 48px 0 64px;
            background: var(--bg-primary);
        }
        .cta-banner {
            border-radius: var(--radius-lg);
            background: linear-gradient(135deg, rgba(21,27,42,0.9), rgba(15,20,32,0.95));
            border: 1px solid rgba(53,224,193,0.25);
            padding: 40px 48px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
            box-shadow: 0 0 40px rgba(53,224,193,0.08);
        }
        .cta-banner::before {
            content: "";
            position: absolute;
            top: -60%;
            right: -10%;
            width: 360px;
            height: 360px;
            background: radial-gradient(circle, rgba(53,224,193,0.10) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-banner-content {
            flex: 1;
            min-width: 260px;
        }
        .cta-banner-content h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
        }
        .cta-banner-content p {
            color: var(--text-secondary);
            font-size: 0.9375rem;
            margin-bottom: 0;
        }
        .back-entry {
            text-align: center;
            margin-top: 36px;
        }
        .back-entry a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--text-secondary);
            font-size: 0.9375rem;
            padding: 12px 20px;
            border-radius: 10px;
            border: 1px solid var(--glass-border);
            transition: var(--transition);
        }
        .back-entry a:hover {
            color: var(--accent-cyan);
            border-color: var(--accent-cyan);
            background: rgba(53,224,193,0.04);
        }
        .site-footer {
            background: #070A11;
            border-top: 1px solid rgba(255,255,255,0.06);
            padding: 64px 0 32px;
        }
        .footer-top {
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255,255,255,0.06);
        }
        .footer-brand {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .footer-logo-icon {
            width: 42px;
            height: 42px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, rgba(53,224,193,0.25), rgba(53,224,193,0.05));
            border: 1px solid rgba(53,224,193,0.4);
            color: var(--accent-cyan);
            font-size: 1.0625rem;
        }
        .footer-logo-text {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-primary);
        }
        .footer-desc {
            color: var(--text-secondary);
            font-size: 0.9375rem;
            line-height: 1.75;
            max-width: 360px;
            margin: 0;
        }
        .footer-title {
            font-size: 0.9375rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 8px;
        }
        .footer-title::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 24px;
            height: 2px;
            background: var(--accent-cyan);
            border-radius: 999px;
        }
        .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .footer-links a {
            color: var(--text-secondary);
            font-size: 0.875rem;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent-cyan);
            padding-left: 4px;
        }
        .footer-contact-item {
            display: flex;
            align-items: center;
            gap: 12px;
            color: var(--text-secondary);
            font-size: 0.875rem;
            margin-bottom: 14px;
        }
        .footer-contact-item i {
            color: var(--accent-cyan);
            width: 20px;
            text-align: center;
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding-top: 28px;
            flex-wrap: wrap;
        }
        .copyright {
            color: var(--text-muted);
            font-size: 0.8125rem;
        }
        @media (max-width: 991px) {
            :root {
                --header-height: 60px;
            }
            .navbar-toggler-custom {
                display: flex;
            }
            .navbar-menu {
                position: fixed;
                top: 0;
                right: -100%;
                width: 100%;
                height: 100vh;
                flex-direction: column;
                justify-content: center;
                align-items: center;
                gap: 24px;
                background: rgba(11,14,23,0.97);
                backdrop-filter: blur(24px);
                -webkit-backdrop-filter: blur(24px);
                transition: right 0.4s ease;
                z-index: 999;
                margin: 0;
                padding: 0;
            }
            .navbar-custom.nav-open .navbar-menu {
                right: 0;
            }
            .navbar-menu .nav-link-custom {
                font-size: 1.25rem;
                padding: 14px 28px;
            }
            .navbar-menu .nav-link-custom.active::after {
                bottom: 6px;
            }
            .navbar-right {
                z-index: 1001;
            }
            .cta-text {
                display: none;
            }
            .nav-cta-btn {
                padding: 10px 14px;
                font-size: 0.8125rem;
            }
            .related-section .col-md-6 {
                margin-bottom: 16px;
            }
        }
        @media (max-width: 767px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .article-header-section {
                padding-top: calc(var(--header-height) + 40px);
            }
            .article-page-title {
                font-size: 1.75rem;
                line-height: 1.3;
            }
            .article-meta-bar {
                gap: 8px 16px;
            }
            .article-body-container {
                padding: 24px 18px;
                border-radius: 16px;
            }
            .article-content {
                font-size: 0.9375rem;
                line-height: 1.85;
            }
            .article-content h2 {
                font-size: 1.375rem;
            }
            .article-content h3 {
                font-size: 1.125rem;
            }
            .article-tags {
                gap: 8px;
            }
            .related-card-image,
            .related-card-image img {
                height: 160px;
            }
            .cta-banner {
                padding: 28px 24px;
                flex-direction: column;
                align-items: flex-start;
            }
            .cta-banner .btn-primary-custom {
                width: 100%;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 520px) {
            .brand-text {
                font-size: 1rem;
                white-space: normal;
                line-height: 1.2;
                max-width: 180px;
            }
            .navbar-inner {
                gap: 12px;
                padding: 0 16px;
            }
            .nav-cta-btn {
                padding: 10px 12px;
            }
            .breadcrumb-item.active {
                max-width: 260px;
            }
            .article-meta-bar {
                font-size: 0.8125rem;
            }
        }

/* roulang page: category1 */
/* ============ 设计变量 ============ */
        :root {
            --c-bg: #0B0E17;
            --c-bg-2: #0F1420;
            --c-panel: #151B2A;
            --c-glass: rgba(255, 255, 255, 0.04);
            --c-glass-2: rgba(255, 255, 255, 0.07);
            --c-border: rgba(255, 255, 255, 0.12);
            --c-cyan: #35E0C1;
            --c-cyan-dark: #1FB596;
            --c-amber: #FFB84D;
            --c-text: #E8EDF5;
            --c-text-2: #8A95A8;
            --c-disabled: #4B5563;
            --radius-lg: 22px;
            --radius-md: 15px;
            --radius-sm: 9px;
            --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.35);
            --glow-cyan: 0 0 20px rgba(53, 224, 193, 0.35);
            --glow-cyan-hover: 0 0 36px rgba(53, 224, 193, 0.55);
            --glow-amber: 0 0 20px rgba(255, 184, 77, 0.28);
            --space-section: 90px;
            --space-section-m: 52px;
            --font-num: "Barlow Condensed", "DIN Alternate", "PingFang SC", sans-serif;
        }

        /* ============ Reset & Base ============ */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            scroll-padding-top: 88px;
        }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
            background: var(--c-bg);
            color: var(--c-text);
            line-height: 1.75;
            font-size: .9375rem;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--c-cyan);
            text-decoration: none;
            transition: color .25s ease;
        }
        a:hover {
            color: var(--c-cyan-dark);
        }
        ul,
        ol {
            list-style: none;
        }
        button {
            background: none;
            border: none;
            font: inherit;
            color: inherit;
            cursor: pointer;
        }
        input,
        textarea {
            font: inherit;
            color: inherit;
        }
        :focus-visible {
            outline: 2px solid var(--c-cyan);
            outline-offset: 2px;
        }

        /* ============ 通用工具 ============ */
        .container {
            max-width: 1280px;
        }
        .section-pad {
            padding: var(--space-section) 0;
        }
        .section-head {
            margin-bottom: 48px;
            position: relative;
            z-index: 2;
        }
        .section-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: .8125rem;
            color: var(--c-cyan);
            letter-spacing: .08em;
            text-transform: uppercase;
            font-weight: 600;
            margin-bottom: 10px;
        }
        .section-kicker::before {
            content: '';
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--c-cyan);
            box-shadow: 0 0 10px var(--c-cyan);
        }
        .section-title {
            font-size: clamp(1.8rem, 2.8vw, 2.4rem);
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: -.01em;
            margin-bottom: 14px;
            padding-left: 16px;
            border-left: 4px solid var(--c-cyan);
        }
        .section-desc {
            color: var(--c-text-2);
            font-size: .9375rem;
            max-width: 640px;
            line-height: 1.8;
        }

        /* ============ 按钮系统 ============ */
        .btn-cyan-glow {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 13px 30px;
            border-radius: 10px;
            font-weight: 600;
            font-size: .9375rem;
            color: #0B0E17;
            background: linear-gradient(135deg, #35E0C1, #1FB596);
            box-shadow: var(--glow-cyan);
            border: none;
            transition: transform .25s, box-shadow .25s;
            min-height: 44px;
            white-space: nowrap;
        }
        .btn-cyan-glow:hover {
            color: #0B0E17;
            transform: translateY(-2px);
            box-shadow: var(--glow-cyan-hover);
        }
        .btn-cyan-glow:active {
            transform: translateY(0);
            box-shadow: 0 0 10px rgba(53, 224, 193, 0.25);
        }

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 10px;
            font-weight: 500;
            font-size: .9375rem;
            color: var(--c-text);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--c-border);
            backdrop-filter: blur(10px);
            transition: all .25s ease;
            min-height: 44px;
            white-space: nowrap;
        }
        .btn-ghost:hover {
            color: var(--c-cyan);
            border-color: rgba(53, 224, 193, 0.4);
            background: rgba(53, 224, 193, 0.06);
            transform: translateY(-1px);
        }
        .btn-ghost:active {
            transform: translateY(0);
        }

        /* ============ 玻璃拟态卡片 ============ */
        .glass-card {
            background: var(--c-glass);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
        }
        .glass-card::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(180deg, rgba(255, 255, 255, 0.08), transparent);
            pointer-events: none;
        }

        /* ============ 导航 ============ */
        .navbar-custom {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 72px;
            z-index: 1060;
            background: rgba(11, 14, 23, 0.85);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.07);
            transition: background .35s ease, box-shadow .35s ease;
        }
        .navbar-custom.scrolled {
            background: rgba(7, 10, 17, 0.92);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
        }
        .navbar-inner {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
            height: 72px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }
        .navbar-brand-custom {
            display: flex;
            align-items: center;
            gap: 10px;
            min-width: 0;
            flex-shrink: 0;
        }
        .brand-logo {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, rgba(53, 224, 193, 0.18), rgba(53, 224, 193, 0.04));
            border: 1px solid rgba(53, 224, 193, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: var(--c-cyan);
            box-shadow: 0 0 14px rgba(53, 224, 193, 0.12);
            flex-shrink: 0;
        }
        .brand-text {
            font-size: 1.0625rem;
            font-weight: 700;
            letter-spacing: .01em;
            color: var(--c-text);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .navbar-menu {
            display: flex;
            align-items: center;
            gap: 6px;
            margin: 0;
            padding: 0;
            flex: 1;
            justify-content: center;
        }
        .nav-link-custom {
            display: inline-flex;
            align-items: center;
            height: 40px;
            padding: 0 18px;
            border-radius: 9px;
            font-size: .9375rem;
            font-weight: 500;
            color: var(--c-text-2);
            transition: all .25s ease;
            position: relative;
            white-space: nowrap;
        }
        .nav-link-custom:hover {
            color: var(--c-text);
            background: var(--c-glass-2);
        }
        .nav-link-custom.active {
            color: var(--c-cyan);
            font-weight: 600;
        }
        .nav-link-custom.active::after {
            content: '';
            position: absolute;
            left: 18px;
            right: 18px;
            bottom: 4px;
            height: 2px;
            border-radius: 2px;
            background: var(--c-cyan);
            box-shadow: 0 0 8px var(--c-cyan);
        }
        .navbar-right {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .search-btn {
            width: 42px;
            height: 42px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            color: var(--c-text-2);
            font-size: .9375rem;
            border: 1px solid transparent;
            transition: all .25s ease;
        }
        .search-btn:hover {
            color: var(--c-cyan);
            border-color: rgba(53, 224, 193, 0.3);
            background: rgba(53, 224, 193, 0.06);
        }
        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            height: 40px;
            padding: 0 20px;
            border-radius: 9px;
            background: linear-gradient(135deg, #35E0C1, #1FB596);
            color: #0B0E17;
            font-size: .875rem;
            font-weight: 600;
            box-shadow: 0 0 16px rgba(53, 224, 193, 0.25);
            transition: all .25s ease;
            white-space: nowrap;
        }
        .nav-cta-btn:hover {
            color: #0B0E17;
            box-shadow: 0 0 32px rgba(53, 224, 193, 0.45);
            transform: translateY(-1px);
        }
        .navbar-toggler-custom {
            display: none;
            width: 42px;
            height: 42px;
            align-items: center;
            justify-content: center;
            border-radius: 9px;
            color: var(--c-text);
            font-size: 1.125rem;
            border: 1px solid var(--c-border);
            background: rgba(255, 255, 255, 0.03);
            transition: all .25s ease;
        }
        .navbar-toggler-custom:hover {
            border-color: rgba(53, 224, 193, 0.3);
            color: var(--c-cyan);
        }

        /* 搜索面板 */
        .search-panel {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1070;
            background: rgba(7, 10, 17, 0.97);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
            transform: translateY(-120%);
            transition: transform .4s cubic-bezier(0.22, 1, 0.36, 1);
        }
        .search-panel.open {
            transform: translateY(0);
        }
        .search-panel-inner {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .search-panel input {
            flex: 1;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--c-border);
            border-radius: 12px;
            height: 48px;
            padding: 0 18px;
            font-size: 1rem;
            color: var(--c-text);
            transition: all .25s ease;
        }
        .search-panel input:focus {
            outline: none;
            border-color: rgba(53, 224, 193, 0.5);
            box-shadow: 0 0 0 4px rgba(53, 224, 193, 0.1);
        }
        .search-panel input::placeholder {
            color: var(--c-disabled);
        }
        .search-close-btn {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--c-text-2);
            font-size: 1rem;
            border: 1px solid var(--c-border);
            transition: all .25s ease;
            flex-shrink: 0;
        }
        .search-close-btn:hover {
            color: var(--c-cyan);
            border-color: rgba(53, 224, 193, 0.4);
        }

        /* 移动菜单 */
        .mobile-menu {
            position: fixed;
            inset: 0;
            z-index: 1080;
            background: rgba(7, 10, 17, 0.98);
            backdrop-filter: blur(24px);
            display: flex;
            flex-direction: column;
            padding: 24px;
            transform: translateX(100%);
            transition: transform .4s cubic-bezier(0.22, 1, 0.36, 1);
            overflow-y: auto;
        }
        .mobile-menu.open {
            transform: translateX(0);
        }
        .mobile-menu-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 40px;
        }
        .mobile-menu-close {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            border: 1px solid var(--c-border);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--c-text-2);
            font-size: 1.125rem;
            transition: all .25s ease;
        }
        .mobile-menu-close:hover {
            color: var(--c-cyan);
            border-color: rgba(53, 224, 193, 0.4);
        }
        .mobile-menu ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
            margin-bottom: 32px;
        }
        .mobile-menu ul a {
            display: block;
            padding: 16px 12px;
            border-radius: 12px;
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--c-text);
            transition: all .25s ease;
        }
        .mobile-menu ul a:hover {
            color: var(--c-cyan);
            background: rgba(53, 224, 193, 0.06);
        }
        .mobile-menu ul a.active {
            color: var(--c-cyan);
            background: rgba(53, 224, 193, 0.08);
            border-left: 3px solid var(--c-cyan);
        }
        .mobile-menu-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 48px;
            border-radius: 10px;
            background: linear-gradient(135deg, #35E0C1, #1FB596);
            color: #0B0E17;
            font-weight: 600;
            font-size: 1rem;
            box-shadow: var(--glow-cyan);
            transition: all .25s ease;
            margin-top: auto;
        }
        .mobile-menu-cta:hover {
            color: #0B0E17;
            box-shadow: var(--glow-cyan-hover);
        }

        /* ============ Hero ============ */
        .hero-category {
            position: relative;
            min-height: 40vh;
            padding: 150px 0 80px;
            display: flex;
            align-items: center;
            background: linear-gradient(180deg, #0B0E17 0%, #0F1420 100%);
            overflow: hidden;
        }
        .hero-category::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.webp') no-repeat center 30%/cover;
            opacity: 0.18;
        }
        .hero-category::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(11, 14, 23, 0.96) 0%, rgba(11, 14, 23, 0.78) 50%, rgba(15, 20, 32, 0.35) 100%);
        }
        .hero-category .container {
            position: relative;
            z-index: 2;
        }
        .breadcrumb-nav {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 22px;
            font-size: .875rem;
            color: var(--c-text-2);
        }
        .breadcrumb-nav a {
            color: var(--c-text-2);
            transition: color .25s;
        }
        .breadcrumb-nav a:hover {
            color: var(--c-cyan);
        }
        .breadcrumb-nav i {
            font-size: .625rem;
            color: var(--c-disabled);
        }
        .hero-category h1 {
            font-size: clamp(2.1rem, 4.2vw, 3.2rem);
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -.01em;
            margin-bottom: 16px;
            color: var(--c-text);
        }
        .hero-category h1 .highlight {
            color: var(--c-cyan);
        }
        .hero-subtitle {
            font-size: 1.0625rem;
            color: var(--c-text-2);
            line-height: 1.7;
            max-width: 520px;
            margin-bottom: 32px;
        }
        .hero-actions {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 14px;
        }

        /* Hero 右侧玻璃面板 */
        .hero-glass-panel {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 20px;
            backdrop-filter: blur(16px);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            max-width: 420px;
            margin-left: auto;
            position: relative;
        }
        .hero-glass-panel::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(180deg, rgba(255, 255, 255, 0.12), transparent);
        }
        .hero-glass-img {
            position: relative;
            height: 190px;
            overflow: hidden;
        }
        .hero-glass-img img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            position: absolute;
            top: -5px;
            left: 0;
        }
        .hero-glass-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(21, 27, 42, 0.85) 100%);
        }
        .hero-glass-content {
            padding: 20px 24px 24px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            position: relative;
            z-index: 2;
            margin-top: -16px;
        }
        .status-badge {
            grid-column: 1 / -1;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border-radius: 999px;
            background: rgba(53, 224, 193, 0.1);
            border: 1px solid rgba(53, 224, 193, 0.3);
            color: var(--c-cyan);
            font-size: .8125rem;
            font-weight: 500;
            padding: 5px 14px;
            width: fit-content;
        }
        .status-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--c-cyan);
            box-shadow: 0 0 10px var(--c-cyan);
            animation: pulse-dot 1.6s ease-in-out infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: .5;
                transform: scale(.8);
            }
        }
        .hero-metric-value {
            font-family: var(--font-num);
            font-size: 2rem;
            font-weight: 700;
            line-height: 1.1;
            color: var(--c-cyan);
            letter-spacing: -.02em;
            display: block;
        }
        .hero-metric-label {
            font-size: .8125rem;
            color: var(--c-text-2);
            margin-top: 2px;
        }

        /* ============ 概览指标带 ============ */
        .overview-section {
            background: var(--c-bg-2);
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            padding: 56px 0;
        }
        .overview-desc {
            color: var(--c-text-2);
            font-size: 1rem;
            line-height: 1.9;
            max-width: 760px;
            margin-bottom: 44px;
        }
        .metric-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 0;
            border-radius: var(--radius-md);
            overflow: hidden;
            background: rgba(255, 255, 255, 0.02);
            border: 1px solid var(--c-border);
        }
        .metric-item {
            padding: 28px 24px;
            border-right: 1px solid rgba(255, 255, 255, 0.07);
            position: relative;
        }
        .metric-item:last-child {
            border-right: none;
        }
        .metric-item .m-label {
            font-size: .8125rem;
            color: var(--c-text-2);
            margin-bottom: 8px;
        }
        .metric-item .m-value {
            font-family: var(--font-num);
            font-size: clamp(2.2rem, 3vw, 3.2rem);
            font-weight: 700;
            line-height: 1.1;
            color: var(--c-cyan);
            letter-spacing: -.02em;
        }
        .metric-item .m-trend {
            font-size: .8125rem;
            color: var(--c-amber);
            margin-top: 8px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* ============ 服务矩阵 ============ */
        .service-section {
            background: var(--c-bg);
            position: relative;
        }
        .service-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .service-card {
            background: var(--c-glass);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            padding: 30px 28px;
            position: relative;
            overflow: hidden;
            backdrop-filter: blur(14px);
            transition: all .35s ease;
            min-height: 220px;
            display: flex;
            flex-direction: column;
        }
        .service-card::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(180deg, rgba(255, 255, 255, 0.1), transparent);
        }
        .service-card::after {
            content: '';
            position: absolute;
            inset: 0;
            border-radius: var(--radius-md);
            background: radial-gradient(circle at 0% 0%, rgba(53, 224, 193, 0.06), transparent 60%);
            opacity: 0;
            transition: opacity .35s ease;
            pointer-events: none;
        }
        .service-card:hover {
            border-color: rgba(53, 224, 193, 0.25);
            transform: translateY(-4px);
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
        }
        .service-card:hover::after {
            opacity: 1;
        }
        .service-icon {
            width: 46px;
            height: 46px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.125rem;
            color: var(--c-cyan);
            background: rgba(53, 224, 193, 0.1);
            border: 1px solid rgba(53, 224, 193, 0.2);
            margin-bottom: 18px;
            position: relative;
            z-index: 2;
        }
        .service-card h3 {
            font-size: 1.1875rem;
            font-weight: 600;
            margin-bottom: 8px;
            position: relative;
            z-index: 2;
        }
        .service-card p {
            font-size: .875rem;
            color: var(--c-text-2);
            line-height: 1.7;
            margin-bottom: 18px;
            flex: 1;
            position: relative;
            z-index: 2;
        }
        .service-metric {
            font-family: var(--font-num);
            font-size: 1.375rem;
            font-weight: 700;
            color: var(--c-amber);
            letter-spacing: -.01em;
            display: flex;
            align-items: baseline;
            gap: 6px;
            position: relative;
            z-index: 2;
        }
        .service-metric span {
            font-family: inherit;
            font-size: .8125rem;
            font-weight: 400;
            color: var(--c-text-2);
            letter-spacing: 0;
        }
        .service-card-cta {
            margin-top: 14px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: .875rem;
            font-weight: 500;
            color: var(--c-cyan);
            opacity: 0;
            transform: translateX(-6px);
            transition: all .3s ease;
            position: relative;
            z-index: 2;
            width: fit-content;
        }
        .service-card:hover .service-card-cta {
            opacity: 1;
            transform: translateX(0);
        }
        .service-card-cta:hover {
            color: var(--c-amber);
        }

        /* 横向通栏卡 */
        .service-card-full {
            grid-column: 1 / -1;
            min-height: 160px;
            flex-direction: row;
            align-items: center;
            gap: 24px;
            padding: 26px 32px;
            background: linear-gradient(120deg, rgba(255, 184, 77, 0.06), rgba(53, 224, 193, 0.04));
            border-color: rgba(255, 184, 77, 0.2);
        }
        .service-card-full .service-icon {
            background: rgba(255, 184, 77, 0.1);
            border-color: rgba(255, 184, 77, 0.2);
            color: var(--c-amber);
            flex-shrink: 0;
            margin-bottom: 0;
        }
        .service-card-full .service-text {
            flex: 1;
        }
        .service-card-full h3 {
            margin-bottom: 6px;
        }
        .service-card-full p {
            margin-bottom: 0;
        }
        .service-card-full .service-metric {
            color: var(--c-cyan);
            flex-shrink: 0;
        }
        .service-card-full .service-card-cta {
            opacity: 1;
            transform: none;
            flex-shrink: 0;
            margin-top: 0;
        }

        /* ============ 接入流程 ============ */
        .process-section {
            background: var(--c-bg-2);
            position: relative;
            overflow: hidden;
        }
        .process-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') no-repeat center/cover;
            opacity: 0.06;
        }
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
            z-index: 2;
        }
        .process-step {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            padding: 30px 24px;
            position: relative;
            transition: all .35s ease;
        }
        .process-step:hover {
            border-color: rgba(53, 224, 193, 0.3);
            transform: translateY(-4px);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
        }
        .process-num {
            font-family: var(--font-num);
            font-size: 3rem;
            font-weight: 700;
            line-height: 1;
            color: transparent;
            -webkit-text-stroke: 1px rgba(53, 224, 193, 0.4);
            margin-bottom: 16px;
            display: block;
            transition: all .35s ease;
        }
        .process-step:hover .process-num {
            -webkit-text-stroke: 1px transparent;
            color: var(--c-cyan);
            text-shadow: 0 0 22px rgba(53, 224, 193, 0.5);
        }
        .process-step h3 {
            font-size: 1.0625rem;
            font-weight: 600;
            margin-bottom: 8px;
        }
        .process-step p {
            font-size: .84375rem;
            color: var(--c-text-2);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ============ 相关推荐 ============ */
        .recommend-section {
            background: var(--c-bg);
        }
        .recommend-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .recommend-card {
            background: var(--c-glass);
            border: 1px solid var(--c-border);
            border-radius: 16px;
            overflow: hidden;
            transition: all .35s ease;
            backdrop-filter: blur(14px);
            display: flex;
            flex-direction: column;
        }
        .recommend-card:hover {
            transform: translateY(-6px);
            border-color: rgba(53, 224, 193, 0.25);
            box-shadow: 0 18px 44px rgba(0, 0, 0, 0.45);
        }
        .recommend-thumb {
            position: relative;
            height: 160px;
            overflow: hidden;
        }
        .recommend-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }
        .recommend-card:hover .recommend-thumb img {
            transform: scale(1.06);
        }
        .recommend-thumb::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 60%, rgba(11, 14, 23, 0.7) 100%);
        }
        .recommend-badge {
            position: absolute;
            left: 14px;
            bottom: 12px;
            z-index: 2;
            display: inline-flex;
            align-items: center;
            border-radius: 6px;
            background: rgba(11, 14, 23, 0.75);
            border: 1px solid rgba(255, 184, 77, 0.4);
            color: var(--c-amber);
            font-size: .75rem;
            padding: 2px 10px;
            backdrop-filter: blur(8px);
        }
        .recommend-body {
            padding: 20px 22px 22px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .recommend-body h3 {
            font-size: 1rem;
            font-weight: 600;
            line-height: 1.5;
            margin-bottom: 8px;
            color: var(--c-text);
            transition: color .25s;
        }
        .recommend-card:hover .recommend-body h3 {
            color: var(--c-cyan);
        }
        .recommend-body p {
            font-size: .84375rem;
            color: var(--c-text-2);
            line-height: 1.7;
            margin-bottom: 14px;
            flex: 1;
        }
        .recommend-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: .8125rem;
            color: var(--c-disabled);
        }
        .recommend-meta .read-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--c-cyan);
            font-size: .8125rem;
            font-weight: 500;
            transition: all .25s ease;
        }
        .recommend-meta .read-more:hover {
            gap: 10px;
            color: var(--c-amber);
        }

        /* ============ FAQ ============ */
        .faq-section {
            background: var(--c-bg-2);
            position: relative;
        }
        .faq-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 80% 20%, rgba(53, 224, 193, 0.05), transparent 60%);
            pointer-events: none;
        }
        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
        }
        .accordion.custom-faq {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .accordion-item.custom-faq-item {
            background: var(--c-glass);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md) !important;
            overflow: hidden;
            backdrop-filter: blur(14px);
            transition: all .35s ease;
        }
        .accordion-item.custom-faq-item:has(.accordion-button:not(.collapsed)) {
            background: rgba(53, 224, 193, 0.05);
            border-color: rgba(53, 224, 193, 0.28);
        }
        .accordion-header.custom-faq-header {
            margin: 0;
        }
        .accordion-button.custom-faq-btn {
            background: transparent;
            color: var(--c-text);
            font-size: 1rem;
            font-weight: 600;
            padding: 22px 24px;
            display: flex;
            align-items: center;
            gap: 16px;
            box-shadow: none;
            border-radius: var(--radius-md) !important;
        }
        .accordion-button.custom-faq-btn:not(.collapsed) {
            color: var(--c-cyan);
            background: transparent;
            box-shadow: none;
        }
        .accordion-button.custom-faq-btn:focus {
            box-shadow: none;
            border: none;
        }
        .accordion-button.custom-faq-btn::after {
            display: none;
        }
        .faq-num {
            font-family: var(--font-num);
            font-size: 1.125rem;
            font-weight: 700;
            color: var(--c-cyan);
            flex-shrink: 0;
            opacity: .8;
        }
        .faq-q {
            flex: 1;
        }
        .faq-chevron {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.12);
            color: var(--c-text-2);
            font-size: .75rem;
            transition: all .35s ease;
        }
        .accordion-button:not(.collapsed) .faq-chevron {
            transform: rotate(180deg);
            color: var(--c-cyan);
            border-color: rgba(53, 224, 193, 0.4);
            background: rgba(53, 224, 193, 0.1);
        }
        .accordion-collapse.custom-faq-collapse {
            border: none;
        }
        .custom-faq-body {
            padding: 0 24px 24px 64px;
            color: var(--c-text-2);
            font-size: .9375rem;
            line-height: 1.8;
        }
        .faq-link-row {
            margin-top: 14px;
            padding-top: 14px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .faq-link-row a {
            font-size: .84375rem;
            font-weight: 500;
            color: var(--c-cyan);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all .25s ease;
        }
        .faq-link-row a:hover {
            color: var(--c-amber);
            gap: 10px;
        }

        /* ============ 底部 CTA 条 ============ */
        .cta-section {
            background: var(--c-bg);
            padding: 90px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-banner {
            position: relative;
            border-radius: 24px;
            border: 1px solid rgba(255, 184, 77, 0.2);
            background: linear-gradient(120deg, rgba(255, 184, 77, 0.08), rgba(53, 224, 193, 0.05));
            backdrop-filter: blur(14px);
            padding: 48px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            overflow: hidden;
        }
        .cta-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.webp') no-repeat center/cover;
            opacity: 0.08;
            pointer-events: none;
        }
        .cta-banner::after {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(180deg, rgba(255, 255, 255, 0.14), transparent);
        }
        .cta-content {
            position: relative;
            z-index: 2;
        }
        .cta-content h2 {
            font-size: clamp(1.5rem, 2.6vw, 2.1rem);
            font-weight: 700;
            line-height: 1.35;
            margin-bottom: 10px;
            color: var(--c-text);
        }
        .cta-content p {
            font-size: .9375rem;
            color: var(--c-text-2);
            line-height: 1.7;
            max-width: 460px;
            margin-bottom: 0;
        }
        .cta-actions {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 14px;
            flex-shrink: 0;
            flex-wrap: wrap;
        }
        .btn-amber-glow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            height: 46px;
            padding: 0 28px;
            border-radius: 10px;
            background: linear-gradient(135deg, #FFB84D, #F59A2E);
            color: #0B0E17;
            font-weight: 600;
            font-size: .9375rem;
            box-shadow: var(--glow-amber);
            transition: all .25s ease;
            white-space: nowrap;
        }
        .btn-amber-glow:hover {
            color: #0B0E17;
            transform: translateY(-2px);
            box-shadow: 0 0 36px rgba(255, 184, 77, 0.45);
        }
        .btn-amber-glow:active {
            transform: translateY(0);
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background: #070A11;
            border-top: 1px solid rgba(255, 255, 255, 0.07);
            padding-top: 64px;
            position: relative;
        }
        .site-footer::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(53, 224, 193, 0.25), transparent);
        }
        .footer-top {
            padding-bottom: 48px;
        }
        .footer-brand {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer-logo-icon {
            width: 34px;
            height: 34px;
            border-radius: 10px;
            background: rgba(53, 224, 193, 0.1);
            border: 1px solid rgba(53, 224, 193, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--c-cyan);
            font-size: .9375rem;
        }
        .footer-logo-text {
            font-size: 1.0625rem;
            font-weight: 700;
            color: var(--c-text);
        }
        .footer-desc {
            font-size: .875rem;
            color: var(--c-text-2);
            line-height: 1.7;
            max-width: 320px;
            margin-bottom: 0;
        }
        .footer-title {
            font-size: .9375rem;
            font-weight: 600;
            color: var(--c-text);
            margin-bottom: 18px;
            letter-spacing: .02em;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
            padding: 0;
            margin: 0;
        }
        .footer-links a {
            font-size: .875rem;
            color: var(--c-text-2);
            transition: all .25s ease;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-links a:hover {
            color: var(--c-cyan);
            padding-left: 4px;
        }
        .footer-contact-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: .875rem;
            color: var(--c-text-2);
            margin-bottom: 12px;
        }
        .footer-contact-item i {
            width: 28px;
            height: 28px;
            flex-shrink: 0;
            border-radius: 8px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: .8125rem;
            color: var(--c-cyan);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 22px 0;
            text-align: center;
        }
        .copyright {
            font-size: .84375rem;
            color: var(--c-disabled);
        }

        /* ============ 响应式 ============ */
        @media (max-width: 1199.98px) {
            .metric-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .metric-item:nth-child(2) {
                border-right: none;
            }
            .metric-item:nth-child(1),
            .metric-item:nth-child(2) {
                border-bottom: 1px solid rgba(255, 255, 255, 0.07);
            }
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 991.98px) {
            .navbar-menu {
                display: none;
            }
            .navbar-toggler-custom {
                display: flex;
            }
            .nav-cta-btn .cta-text {
                display: none;
            }
            .nav-cta-btn {
                width: 42px;
                padding: 0;
                justify-content: center;
            }
            .hero-category {
                padding-top: 130px;
                padding-bottom: 60px;
            }
            .hero-glass-panel {
                margin: 40px auto 0;
                max-width: 420px;
            }
            .service-grid {
                grid-template-columns: 1fr;
            }
            .service-card-full {
                flex-direction: column;
                align-items: flex-start;
                text-align: left;
            }
            .service-card-full .service-icon {
                margin-bottom: 12px;
            }
            .recommend-grid {
                grid-template-columns: 1fr;
            }
            .cta-banner {
                flex-direction: column;
                align-items: flex-start;
            }
        }
        @media (max-width: 767.98px) {
            :root {
                --space-section: var(--space-section-m);
            }
            .navbar-inner {
                padding: 0 16px;
            }
            .brand-text {
                font-size: .9375rem;
            }
            .hero-category {
                padding-top: 110px;
            }
            .hero-category h1 {
                font-size: 1.85rem;
            }
            .hero-category::after {
                background: linear-gradient(180deg, rgba(11, 14, 23, 0.95) 0%, rgba(11, 14, 23, 0.82) 100%);
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-actions .btn-cyan-glow,
            .hero-actions .btn-ghost {
                width: 100%;
            }
            .metric-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .metric-item {
                padding: 22px 18px;
            }
            .process-grid {
                grid-template-columns: 1fr;
            }
            .cta-banner {
                padding: 36px 24px;
            }
            .cta-actions {
                flex-direction: column;
                align-items: stretch;
                width: 100%;
            }
            .cta-actions .btn-cyan-glow,
            .cta-actions .btn-amber-glow {
                width: 100%;
                justify-content: center;
            }
            .custom-faq-body {
                padding: 0 18px 20px 52px;
            }
            .accordion-button.custom-faq-btn {
                padding: 18px 16px;
                font-size: .9375rem;
                gap: 10px;
            }
        }
        @media (max-width: 520px) {
            .section-title {
                font-size: 1.6rem;
                padding-left: 12px;
            }
            .footer-top .col-6 {
                flex: 0 0 100%;
                max-width: 100%;
            }
            .metric-grid {
                grid-template-columns: 1fr;
            }
            .metric-item {
                border-right: none !important;
                border-bottom: 1px solid rgba(255, 255, 255, 0.07);
            }
            .metric-item:last-child {
                border-bottom: none;
            }
            .service-card {
                padding: 24px 20px;
            }
            .hero-glass-panel {
                border-radius: 16px;
            }
            .hero-glass-content {
                padding: 16px 18px 20px;
            }
        }