/* roulang page: index */
:root {
            --bg-base: #060D18;
            --bg-deep: #0A142A;
            --primary: #2E7CF6;
            --accent: #00E5C3;
            --orange: #FF7A1A;
            --text-main: #E8F0F8;
            --text-sub: #8FA3BF;
            --text-muted: #5A6B85;
            --glass-bg: rgba(255, 255, 255, 0.04);
            --glass-bg-deep: rgba(10, 20, 42, 0.6);
            --glass-border: rgba(255, 255, 255, 0.08);
            --radius-sm: 12px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.25);
            --shadow-hover: 0 12px 40px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(255, 255, 255, 0.06);
            --glow-primary: 0 0 20px rgba(46, 124, 246, 0.35);
            --glow-accent: 0 0 28px rgba(0, 229, 195, 0.25);
            --glow-orange: 0 0 24px rgba(255, 122, 26, 0.3);
            --font-stack: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
            --space-section: 100px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-stack);
            background-color: var(--bg-base);
            background-image: radial-gradient(ellipse at 15% 10%, rgba(46, 124, 246, 0.08) 0%, transparent 55%), radial-gradient(ellipse at 85% 90%, rgba(0, 229, 195, 0.06) 0%, transparent 50%);
            color: var(--text-main);
            line-height: 1.75;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }

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

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

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

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

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

        section {
            position: relative;
        }

        .section-padding {
            padding-top: var(--space-section);
            padding-bottom: var(--space-section);
        }

        @media (max-width: 992px) {
            :root {
                --space-section: 72px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --space-section: 56px;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* ---------- 浮动 Dock 导航 ---------- */
        .dock-nav-wrap {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1030;
            width: min(1200px, calc(100% - 32px));
        }

        .dock-nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            padding: 0 20px 0 16px;
            background: rgba(8, 16, 30, 0.75);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid rgba(255, 255, 255, 0.07);
            border-radius: 999px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .brand-icon {
            width: 32px;
            height: 32px;
            flex-shrink: 0;
        }

        .brand-icon svg {
            width: 100%;
            height: 100%;
            stroke: var(--primary);
            fill: rgba(46, 124, 246, 0.1);
        }

        .brand-text {
            font-size: 17px;
            font-weight: 800;
            color: var(--text-main);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .brand-text .brand-sub {
            font-size: 13px;
            font-weight: 500;
            color: var(--text-sub);
            margin-left: 4px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
        }

        .nav-links a {
            position: relative;
            display: inline-block;
            padding: 8px 16px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-sub);
            border-radius: 999px;
            transition: color 0.25s, background 0.25s;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--text-main);
            background: rgba(46, 124, 246, 0.1);
        }

        .nav-links a.active::after {
            content: "";
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            border-radius: 2px;
            background: var(--primary);
            box-shadow: 0 0 8px rgba(46, 124, 246, 0.6);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .search-btn {
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 999px;
            color: var(--text-sub);
            cursor: pointer;
            transition: border-color 0.25s, color 0.25s;
        }

        .search-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        .btn-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 38px;
            padding: 0 22px;
            border-radius: 999px;
            background: var(--primary);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            border: none;
            box-shadow: var(--glow-primary);
            transition: transform 0.25s, box-shadow 0.25s, background 0.25s;
            white-space: nowrap;
        }

        .btn-cta:hover {
            transform: translateY(-2px);
            background: #1e6ae0;
            box-shadow: var(--glow-accent);
            color: #fff;
        }

        .hamburger {
            width: 36px;
            height: 36px;
            display: none;
            align-items: center;
            justify-content: center;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 999px;
            cursor: pointer;
            color: var(--text-main);
        }

        .hamburger svg {
            width: 18px;
            height: 18px;
        }

        .mobile-menu {
            position: fixed;
            top: 92px;
            left: 50%;
            transform: translateX(-50%);
            width: min(1200px, calc(100% - 32px));
            z-index: 1020;
            background: rgba(8, 16, 30, 0.95);
            backdrop-filter: blur(20px);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 16px;
            padding: 16px;
            display: none;
        }

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

        .mobile-menu a {
            display: block;
            padding: 12px 16px;
            font-size: 14px;
            color: var(--text-sub);
            border-radius: 12px;
            transition: background 0.25s, color 0.25s;
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            background: rgba(46, 124, 246, 0.1);
            color: var(--text-main);
        }

        @media (max-width: 992px) {
            .nav-links {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .dock-nav {
                border-radius: 16px;
            }
        }

        @media (max-width: 576px) {
            .brand-text .brand-sub {
                display: none;
            }
            .search-btn {
                display: none;
            }
            .btn-cta {
                padding: 0 16px;
                font-size: 13px;
                height: 36px;
            }
        }

        /* ---------- 按钮通用 ---------- */
        .btn-main {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            min-width: 130px;
            height: 48px;
            padding: 0 30px;
            border-radius: 999px;
            background: var(--primary);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            border: none;
            box-shadow: var(--glow-primary);
            transition: transform 0.25s, box-shadow 0.25s, background 0.25s;
        }

        .btn-main:hover {
            transform: translateY(-2px);
            background: #1e6ae0;
            box-shadow: var(--glow-accent);
            color: #fff;
        }

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 130px;
            height: 48px;
            padding: 0 30px;
            border-radius: 999px;
            background: transparent;
            color: var(--text-main);
            font-size: 15px;
            font-weight: 500;
            border: 1px solid rgba(255, 255, 255, 0.25);
            transition: border-color 0.25s, color 0.25s, transform 0.25s;
        }

        .btn-ghost:hover {
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-2px);
        }

        .btn-orange {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 100%;
            height: 50px;
            border-radius: 12px;
            background: var(--orange);
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            border: none;
            box-shadow: var(--glow-orange);
            transition: transform 0.25s, box-shadow 0.25s;
            cursor: pointer;
        }

        .btn-orange:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 32px rgba(255, 122, 26, 0.45);
            color: #fff;
        }

        /* ---------- Hero ---------- */
        .hero-section {
            position: relative;
            min-height: min(85vh, 900px);
            display: flex;
            align-items: center;
            padding-top: 100px;
            padding-bottom: 60px;
            background-image: linear-gradient(to bottom, rgba(6, 13, 24, 0.7), rgba(6, 13, 24, 0.9)), url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            overflow: hidden;
        }

        .hero-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
            background-size: 60px 60px;
            pointer-events: none;
        }

        .hero-section::after {
            content: "";
            position: absolute;
            bottom: 0;
            right: 0;
            width: 420px;
            height: 300px;
            background: radial-gradient(ellipse, rgba(46, 124, 246, 0.15), transparent 70%);
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            border-radius: 999px;
            background: rgba(0, 229, 195, 0.1);
            border: 1px solid rgba(0, 229, 195, 0.25);
            color: var(--accent);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.3px;
            margin-bottom: 24px;
        }

        .hero-badge .live-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
            animation: pulse-dot 1.2s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(0.8);
            }
        }

        .hero-title {
            font-size: 48px;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -1px;
            color: var(--text-main);
            margin-bottom: 20px;
        }

        .hero-title .gradient-text {
            background: linear-gradient(90deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-subtitle {
            font-size: 16px;
            color: var(--text-sub);
            max-width: 520px;
            line-height: 1.6;
            margin-bottom: 36px;
        }

        .hero-btns {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .hero-stats {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 0;
            margin-top: 60px;
            padding: 20px 24px;
            background: rgba(8, 16, 30, 0.55);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: 16px;
        }

        .hero-stat {
            flex: 1;
            text-align: center;
            padding: 0 16px;
        }

        .hero-stat+.hero-stat {
            border-left: 1px solid rgba(255, 255, 255, 0.08);
        }

        .hero-stat-num {
            font-size: 30px;
            font-weight: 800;
            color: var(--text-main);
            font-variant-numeric: tabular-nums;
            line-height: 1.2;
        }

        .hero-stat-num .unit {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-sub);
            margin-left: 2px;
        }

        .hero-stat-label {
            font-size: 13px;
            color: var(--text-sub);
            margin-top: 4px;
        }

        .hero-visual {
            position: relative;
            z-index: 2;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .hero-visual-inner {
            position: relative;
            width: 100%;
            max-width: 460px;
            border-radius: 24px;
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.1);
            box-shadow: var(--shadow-hover);
            clip-path: polygon(0 0, calc(100% - 32px) 0, 100% 32px, 100% 100%, 32px 100%, 0 calc(100% - 32px));
        }

        .hero-visual-inner img {
            width: 100%;
            display: block;
        }

        .hero-visual-float {
            position: absolute;
            bottom: 30px;
            right: 20px;
            width: 140px;
            padding: 14px;
            background: rgba(10, 20, 42, 0.85);
            backdrop-filter: blur(16px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 14px;
            box-shadow: var(--shadow-card);
        }

        .hero-visual-float .float-title {
            font-size: 12px;
            color: var(--text-sub);
            margin-bottom: 4px;
        }

        .hero-visual-float .float-value {
            font-size: 20px;
            font-weight: 800;
            color: var(--accent);
            font-variant-numeric: tabular-nums;
        }

        @media (max-width: 1200px) {
            .hero-title {
                font-size: 40px;
            }
        }

        @media (max-width: 992px) {
            .hero-section {
                min-height: auto;
                padding-top: 120px;
            }
            .hero-visual {
                margin-top: 48px;
            }
            .hero-stats {
                flex-wrap: wrap;
                gap: 12px;
            }
            .hero-stat {
                flex: 0 0 calc(50% - 6px);
            }
            .hero-stat+.hero-stat {
                border-left: none;
            }
        }

        @media (max-width: 768px) {
            .hero-title {
                font-size: 32px;
                line-height: 1.3;
            }
            .hero-subtitle {
                font-size: 14px;
            }
            .hero-btns {
                flex-direction: column;
            }
            .hero-btns .btn-main,
            .hero-btns .btn-ghost {
                width: 100%;
            }
        }

        @media (max-width: 576px) {
            .hero-title {
                font-size: 28px;
            }
            .hero-stat-num {
                font-size: 24px;
            }
        }

        /* ---------- 指标看板 ---------- */
        .metrics-section {
            position: relative;
        }

        .metrics-section::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 100%;
            background-image: radial-gradient(ellipse at 30% 50%, rgba(46, 124, 246, 0.05), transparent 70%);
            pointer-events: none;
        }

        .section-header {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 56px;
        }

        .section-header .section-eyebrow {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 2px;
            color: var(--accent);
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        .section-header h2 {
            font-size: 36px;
            font-weight: 700;
            letter-spacing: -0.5px;
            color: var(--text-main);
            margin-bottom: 16px;
            line-height: 1.3;
        }

        .section-header p {
            font-size: 15px;
            color: var(--text-sub);
            line-height: 1.7;
        }

        .metric-card {
            position: relative;
            background: var(--glass-bg);
            backdrop-filter: blur(16px);
            border: 1px solid var(--glass-border);
            border-top: 3px solid var(--primary);
            border-radius: var(--radius-md);
            padding: 32px 28px;
            transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
            overflow: hidden;
        }

        .metric-card::after {
            content: "";
            position: absolute;
            top: 0;
            right: 0;
            width: 70px;
            height: 70px;
            background: radial-gradient(circle, rgba(46, 124, 246, 0.08), transparent 70%);
            pointer-events: none;
        }

        .metric-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(46, 124, 246, 0.3);
        }

        .metric-live {
            position: absolute;
            top: 16px;
            right: 16px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 3px 10px;
            border-radius: 999px;
            background: rgba(255, 122, 26, 0.1);
            border: 1px solid rgba(255, 122, 26, 0.2);
            color: var(--orange);
            font-size: 11px;
            font-weight: 600;
        }

        .metric-live .live-dot {
            width: 5px;
            height: 5px;
            border-radius: 50%;
            background: var(--orange);
            animation: pulse-dot 1.2s ease-in-out infinite;
        }

        .metric-value {
            font-size: 46px;
            font-weight: 800;
            color: var(--text-main);
            font-variant-numeric: tabular-nums;
            line-height: 1.2;
            margin-top: 12px;
        }

        .metric-value .unit {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-sub);
            margin-left: 2px;
        }

        .metric-label {
            font-size: 13px;
            color: var(--text-sub);
            margin-top: 8px;
        }

        .metric-trend {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            padding: 3px 8px;
            border-radius: 999px;
            margin-top: 12px;
        }

        .metric-trend.up {
            background: rgba(0, 229, 195, 0.08);
            color: var(--accent);
            border: 1px solid rgba(0, 229, 195, 0.15);
        }

        .metric-trend.down {
            background: rgba(255, 122, 26, 0.08);
            color: var(--orange);
            border: 1px solid rgba(255, 122, 26, 0.15);
        }

        @media (max-width: 768px) {
            .section-header h2 {
                font-size: 26px;
            }
            .metric-value {
                font-size: 36px;
            }
        }

        /* ---------- 服务矩阵 ---------- */
        .services-section {
            background-image: linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
            background-size: 60px 60px;
        }

        .service-card-large {
            position: relative;
            background: var(--glass-bg);
            backdrop-filter: blur(16px);
            border: 1px solid var(--glass-border);
            border-left: 4px solid var(--primary);
            border-radius: var(--radius-md);
            padding: 36px;
            height: 100%;
            min-height: 220px;
            transition: transform 0.3s, box-shadow 0.3s;
            overflow: hidden;
        }

        .service-card-large::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: linear-gradient(90deg, var(--primary), transparent);
            opacity: 0.6;
        }

        .service-card-large::after {
            content: "";
            position: absolute;
            top: 0;
            left: -100%;
            width: 50%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.04), transparent);
            transition: transform 0.6s ease;
            transform: skewX(-15deg);
        }

        .service-card-large:hover::after {
            transform: translateX(300%);
        }

        .service-card-large:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        .service-icon {
            width: 48px;
            height: 48px;
            margin-bottom: 20px;
        }

        .service-icon svg {
            width: 100%;
            height: 100%;
            stroke: var(--primary);
            fill: none;
            stroke-width: 1.8;
        }

        .service-card-large .service-title {
            font-size: 20px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 12px;
        }

        .service-card-large .service-desc {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
        }

        .service-card {
            position: relative;
            background: var(--glass-bg);
            backdrop-filter: blur(16px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            padding: 32px 28px;
            height: 100%;
            min-height: 200px;
            transition: transform 0.3s, box-shadow 0.3s;
            overflow: hidden;
        }

        .service-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: linear-gradient(90deg, var(--primary), transparent);
            opacity: 0.5;
        }

        .service-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        .service-card .service-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 10px;
        }

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

        .service-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 13px;
            font-weight: 500;
            color: var(--primary);
            margin-top: 16px;
            transition: gap 0.25s, color 0.25s;
        }

        .service-link:hover {
            gap: 8px;
            color: var(--accent);
        }

        .service-card-wide {
            position: relative;
            display: flex;
            align-items: center;
            gap: 32px;
            background: linear-gradient(135deg, rgba(46, 124, 246, 0.08), rgba(0, 229, 195, 0.03));
            backdrop-filter: blur(16px);
            border: 1px solid rgba(46, 124, 246, 0.2);
            border-radius: var(--radius-lg);
            padding: 32px 40px;
            overflow: hidden;
            transition: box-shadow 0.3s, transform 0.3s;
        }

        .service-card-wide:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .service-card-wide::after {
            content: "";
            position: absolute;
            top: 0;
            left: -100%;
            width: 60%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.05), transparent);
            transition: transform 0.6s ease;
            transform: skewX(-15deg);
        }

        .service-card-wide:hover::after {
            transform: translateX(250%);
        }

        .service-wide-img {
            flex-shrink: 0;
            width: 200px;
            height: 140px;
            border-radius: 12px;
            background-color: var(--bg-deep);
            overflow: hidden;
        }

        .service-wide-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .service-wide-content {
            flex: 1;
        }

        .service-wide-content .service-title {
            font-size: 22px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 8px;
        }

        .service-wide-content .service-desc {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.6;
            max-width: 600px;
        }

        .service-wide-action {
            flex-shrink: 0;
        }

        @media (max-width: 992px) {
            .service-card-wide {
                flex-direction: column;
                text-align: center;
                padding: 32px 24px;
            }
            .service-wide-content .service-desc {
                margin: 0 auto;
            }
        }

        @media (max-width: 576px) {
            .service-card-large {
                padding: 24px 20px;
                min-height: 180px;
            }
            .service-card {
                padding: 24px 20px;
                min-height: 170px;
            }
            .service-card-wide {
                gap: 20px;
            }
        }

        /* ---------- 结果对比 ---------- */
        .comparison-wrap {
            background: var(--glass-bg-deep);
            backdrop-filter: blur(16px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            padding: 48px;
            box-shadow: var(--shadow-card);
        }

        .comparison-vs {
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 800;
            color: var(--text-muted);
            letter-spacing: 1px;
        }

        .comparison-vs .vs-badge {
            width: 52px;
            height: 52px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 14px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.1);
            color: var(--text-sub);
            font-size: 15px;
            font-weight: 800;
        }

        .comparison-heading {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 24px;
            text-align: center;
        }

        .comparison-col {
            padding: 32px 28px;
            border-radius: var(--radius-md);
            background: rgba(0, 0, 0, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.04);
        }

        .comparison-col.highlight {
            background: rgba(46, 124, 246, 0.08);
            border-color: rgba(46, 124, 246, 0.2);
            box-shadow: 0 0 40px rgba(46, 124, 246, 0.08);
        }

        .comparison-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }

        .comparison-row:last-child {
            border-bottom: none;
        }

        .comparison-row .row-label {
            font-size: 14px;
            color: var(--text-sub);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .comparison-row .row-label .icon {
            width: 20px;
            height: 20px;
            flex-shrink: 0;
        }

        .comparison-row .row-label .icon.error {
            color: #666;
        }

        .comparison-row .row-label .icon.success {
            color: var(--accent);
        }

        .comparison-row .row-value {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
            font-variant-numeric: tabular-nums;
        }

        .comparison-col.highlight .row-value {
            color: var(--accent);
        }

        .comparison-bar-bg {
            height: 4px;
            border-radius: 4px;
            background: rgba(255, 255, 255, 0.08);
            overflow: hidden;
            margin-top: 6px;
        }

        .comparison-bar-fill {
            height: 100%;
            border-radius: 4px;
            background: var(--primary);
        }

        .comparison-col.highlight .comparison-bar-fill {
            background: linear-gradient(90deg, var(--accent), var(--primary));
        }

        @media (max-width: 992px) {
            .comparison-wrap {
                padding: 32px 24px;
            }
            .comparison-col {
                margin-bottom: 16px;
            }
            .comparison-vs {
                margin: 16px 0;
                transform: rotate(90deg);
            }
        }

        @media (max-width: 576px) {
            .comparison-wrap {
                padding: 20px 16px;
            }
            .comparison-col {
                padding: 24px 20px;
            }
        }

        /* ---------- 最新信息 ---------- */
        .news-section {
            position: relative;
        }

        .news-list-card {
            display: flex;
            gap: 24px;
            background: var(--glass-bg);
            backdrop-filter: blur(16px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            padding: 20px;
            margin-bottom: 16px;
            transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
        }

        .news-list-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(46, 124, 246, 0.2);
        }

        .news-thumb-link {
            flex-shrink: 0;
            width: 200px;
            height: 140px;
            border-radius: 12px;
            overflow: hidden;
            background: var(--bg-deep);
            display: block;
        }

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

        .news-list-card:hover .news-thumb-link img {
            transform: scale(1.04);
        }

        .news-content {
            flex: 1;
            display: flex;
            flex-direction: column;
            min-width: 0;
        }

        .news-content h4 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .news-content h4 a {
            color: var(--text-main);
            transition: color 0.25s;
        }

        .news-content h4 a:hover {
            color: var(--primary);
        }

        .news-content .news-summary {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 12px;
            flex: 1;
        }

        .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: var(--text-muted);
        }

        .news-meta .news-category {
            display: inline-block;
            padding: 2px 10px;
            background: rgba(46, 124, 246, 0.1);
            border: 1px solid rgba(46, 124, 246, 0.15);
            border-radius: 999px;
            color: var(--primary);
            font-size: 12px;
        }

        .news-readmore {
            font-size: 13px;
            color: var(--primary);
            margin-left: auto;
            transition: color 0.25s;
        }

        .news-readmore:hover {
            color: var(--accent);
            text-decoration: underline;
        }

        .news-empty-state {
            text-align: center;
            padding: 60px 40px;
            border: 2px dashed rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-md);
            color: var(--text-muted);
            font-size: 14px;
        }

        @media (max-width: 992px) {
            .news-list-card {
                flex-direction: column;
            }
            .news-thumb-link {
                width: 100%;
                height: 180px;
            }
            .news-meta {
                flex-wrap: wrap;
            }
        }

        @media (max-width: 576px) {
            .news-list-card {
                padding: 16px;
            }
            .news-thumb-link {
                height: 150px;
            }
            .news-content h4 {
                font-size: 16px;
            }
        }

        /* ---------- FAQ ---------- */
        .faq-section {
            position: relative;
        }

        .faq-wrap {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--glass-bg);
            backdrop-filter: blur(16px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
            transition: border-color 0.3s;
        }

        .faq-item.active {
            border-color: rgba(46, 124, 246, 0.3);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-main);
            user-select: none;
            transition: background 0.25s;
        }

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

        .faq-arrow {
            width: 28px;
            height: 28px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
            transition: transform 0.3s, background 0.3s;
            color: var(--text-sub);
        }

        .faq-item.active .faq-arrow {
            transform: rotate(180deg);
            background: rgba(46, 124, 246, 0.15);
            color: var(--primary);
        }

        .faq-arrow::before {
            content: "";
            width: 8px;
            height: 8px;
            border-right: 2px solid currentColor;
            border-bottom: 2px solid currentColor;
            transform: rotate(45deg);
            margin-top: -4px;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
        }

        .faq-answer-inner {
            padding: 0 22px 18px;
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
        }

        .faq-more {
            display: block;
            text-align: center;
            margin-top: 24px;
            font-size: 14px;
            color: var(--primary);
            transition: color 0.25s;
        }

        .faq-more:hover {
            color: var(--accent);
        }

        /* ---------- 转化表单 ---------- */
        .contact-section {
            position: relative;
        }

        .contact-card {
            background: var(--glass-bg-deep);
            backdrop-filter: blur(16px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            padding: 48px;
            box-shadow: var(--shadow-card);
            overflow: hidden;
            position: relative;
        }

        .contact-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent), transparent);
        }

        .contact-left h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 20px;
            line-height: 1.4;
        }

        .contact-points {
            list-style: none;
            padding: 0;
            margin: 0 0 24px;
        }

        .contact-points li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 10px 0;
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.6;
        }

        .contact-points li .point-icon {
            flex-shrink: 0;
            width: 20px;
            height: 20px;
            margin-top: 2px;
            color: var(--accent);
        }

        .contact-info {
            margin-top: 24px;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .contact-info-item {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 14px;
            color: var(--text-sub);
            margin-bottom: 10px;
        }

        .contact-info-item .info-icon {
            flex-shrink: 0;
            width: 16px;
            height: 16px;
            color: var(--primary);
        }

        .contact-form .form-control,
        .contact-form .form-select {
            height: 48px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-sm);
            color: var(--text-main);
            font-size: 14px;
            padding: 12px 16px;
            transition: border-color 0.3s, box-shadow 0.3s, background 0.3s;
        }

        .contact-form .form-control:focus,
        .contact-form .form-select:focus {
            background: rgba(255, 255, 255, 0.06);
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(46, 124, 246, 0.15);
            color: var(--text-main);
        }

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

        .contact-form textarea.form-control {
            height: auto;
            min-height: 110px;
            resize: vertical;
        }

        .contact-form .form-select {
            color: var(--text-sub);
        }

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

        .privacy-note {
            font-size: 12px;
            color: var(--text-muted);
            text-align: center;
            margin-top: 12px;
            line-height: 1.5;
        }

        @media (max-width: 992px) {
            .contact-card {
                padding: 32px 24px;
            }
            .contact-left {
                margin-bottom: 32px;
            }
        }

        @media (max-width: 576px) {
            .contact-card {
                padding: 24px 16px;
            }
            .btn-orange {
                font-size: 15px;
            }
        }

        /* ---------- 页脚 ---------- */
        .site-footer {
            background: rgba(6, 13, 24, 0.8);
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 72px;
        }

        .footer-brand-row {
            margin-bottom: 40px;
        }

        .footer-brand-text {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
        }

        .footer-brand-desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
            margin-top: 12px;
            max-width: 320px;
        }

        .footer-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }

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

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

        .footer-links a {
            font-size: 13px;
            color: var(--text-sub);
            transition: color 0.25s, padding-left 0.25s;
        }

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

        .footer-contact-item {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 13px;
            color: var(--text-sub);
            margin-bottom: 12px;
            line-height: 1.5;
        }

        .footer-contact-item .contact-icon {
            flex-shrink: 0;
            width: 16px;
            height: 16px;
            margin-top: 2px;
            color: var(--primary);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 20px 0;
            margin-top: 48px;
        }

        .footer-bottom-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
        }

        .footer-copy {
            font-size: 13px;
            color: var(--text-muted);
        }

        .footer-domain {
            font-size: 13px;
            color: var(--text-muted);
        }

        @media (max-width: 768px) {
            .site-footer {
                padding-top: 48px;
            }
            .footer-bottom-inner {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ---------- 通用区块装饰 ---------- */
        .deco-divider {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            margin: 0;
            opacity: 0.3;
        }

        .deco-divider span {
            display: block;
            height: 2px;
            border-radius: 2px;
            background: linear-gradient(90deg, transparent, var(--primary), transparent);
        }

        .deco-divider span:nth-child(1) {
            width: 40px;
        }

        .deco-divider span:nth-child(2) {
            width: 80px;
        }

        .deco-divider span:nth-child(3) {
            width: 120px;
        }

        .text-muted-2 {
            color: var(--text-muted);
        }

        .text-accent {
            color: var(--accent);
        }

/* roulang page: article */
/* ============================================
           设计变量
        ============================================ */
        :root {
            --bg-deep: #060D18;
            --bg-panel: rgba(10, 20, 42, 0.6);
            --bg-glass: rgba(255, 255, 255, 0.04);
            --primary: #2E7CF6;
            --secondary: #00E5C3;
            --accent: #FF7A1A;
            --text-main: #E8F0F8;
            --text-sub: #8FA3BF;
            --text-dim: #5A6B85;
            --text-body: #C6D2E0;
            --border-glass: rgba(255, 255, 255, 0.08);
            --border-primary: rgba(46, 124, 246, 0.4);
            --radius-sm: 8px;
            --radius-card: 16px;
            --radius-lg: 24px;
            --radius-pill: 999px;
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.25);
            --shadow-hover: 0 12px 40px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(255, 255, 255, 0.06);
            --glow-primary: 0 0 20px rgba(46, 124, 246, 0.35);
            --glow-secondary: 0 0 28px rgba(0, 229, 195, 0.25);
            --glow-accent: 0 0 24px rgba(255, 122, 26, 0.3);
            --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
            --transition: all 0.3s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-family);
            background: var(--bg-deep);
            color: var(--text-main);
            line-height: 1.75;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        body::before {
            content: "";
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background:
                radial-gradient(800px 500px at 10% -10%, rgba(46, 124, 246, 0.08), transparent 60%),
                radial-gradient(700px 450px at 100% 100%, rgba(0, 229, 195, 0.05), transparent 60%);
            pointer-events: none;
            z-index: 0;
        }

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

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

        a:hover {
            color: var(--secondary);
        }

        button,
        input,
        textarea,
        select {
            font-family: var(--font-family);
        }

        ul,
        ol {
            padding-left: 1.2rem;
        }

        /* ============================================
           容器
        ============================================ */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
            position: relative;
            z-index: 1;
        }

        /* ============================================
           浮动 Dock 导航
        ============================================ */
        .dock-nav-wrap {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1030;
            width: min(1200px, calc(100% - 32px));
        }

        .dock-nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            padding: 0 16px;
            background: rgba(8, 16, 30, 0.75);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid rgba(255, 255, 255, 0.07);
            border-radius: var(--radius-pill);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            flex-shrink: 0;
        }

        .brand-icon {
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            background: rgba(46, 124, 246, 0.12);
            border-radius: 10px;
            border: 1px solid rgba(46, 124, 246, 0.25);
        }

        .brand-icon svg {
            width: 22px;
            height: 22px;
        }

        .brand-text {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: -0.3px;
            white-space: nowrap;
        }

        .brand-sub {
            font-size: 13px;
            font-weight: 400;
            color: var(--text-sub);
            margin-left: 2px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            margin: 0 16px;
        }

        .nav-links a {
            display: inline-block;
            padding: 8px 16px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-sub);
            border-radius: var(--radius-pill);
            position: relative;
            text-decoration: none;
            transition: var(--transition);
        }

        .nav-links a:hover {
            color: var(--primary);
            background: rgba(46, 124, 246, 0.08);
        }

        .nav-links a.active {
            color: #fff;
            background: rgba(46, 124, 246, 0.15);
        }

        .nav-links a.active::after {
            content: "";
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            box-shadow: var(--glow-primary);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .search-btn {
            width: 38px;
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-pill);
            color: var(--text-sub);
            cursor: pointer;
            transition: var(--transition);
        }

        .search-btn:hover {
            color: var(--primary);
            border-color: rgba(46, 124, 246, 0.4);
            background: rgba(46, 124, 246, 0.1);
        }

        .btn-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 8px 22px;
            background: var(--primary);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            border-radius: var(--radius-pill);
            text-decoration: none;
            box-shadow: var(--glow-primary);
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 28px rgba(46, 124, 246, 0.5);
            color: #fff;
        }

        .hamburger {
            display: none;
            width: 38px;
            height: 38px;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-glass);
            border-radius: 10px;
            color: var(--text-sub);
            cursor: pointer;
            transition: var(--transition);
        }

        .hamburger svg {
            width: 20px;
            height: 20px;
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 76px;
            left: 16px;
            right: 16px;
            z-index: 1029;
            background: rgba(8, 16, 30, 0.95);
            backdrop-filter: blur(20px);
            border: 1px solid var(--border-glass);
            border-radius: 16px;
            padding: 16px;
            box-shadow: 0 16px 48px rgba(0, 0, 0, 0.5);
        }

        .mobile-menu.show {
            display: block;
        }

        .mobile-menu a {
            display: block;
            padding: 12px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-sub);
            border-radius: 12px;
            text-decoration: none;
            transition: var(--transition);
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: #fff;
            background: rgba(46, 124, 246, 0.15);
        }

        /* ============================================
           面包屑
        ============================================ */
        .article-breadcrumb {
            padding-top: 110px;
            margin-bottom: 24px;
        }

        .breadcrumb-custom {
            list-style: none;
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 0;
            margin: 0;
            font-size: 13px;
            color: var(--text-dim);
        }

        .breadcrumb-custom li a {
            color: var(--text-sub);
            font-size: 13px;
            text-decoration: none;
            transition: var(--transition);
        }

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

        .breadcrumb-custom li.current {
            color: var(--text-dim);
            max-width: 240px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .breadcrumb-custom .sep {
            color: var(--text-dim);
            font-size: 12px;
        }

        /* ============================================
           文章主体
        ============================================ */
        .article-wrap {
            max-width: 780px;
            margin: 0 auto;
            padding: 0 24px 40px;
            position: relative;
            z-index: 1;
        }

        .article-header {
            text-align: center;
            padding: 40px 0 32px;
            border-bottom: 1px solid var(--border-glass);
            margin-bottom: 36px;
        }

        .article-header h1 {
            font-size: 44px;
            font-weight: 800;
            line-height: 1.3;
            letter-spacing: -1px;
            color: var(--text-main);
            margin-bottom: 16px;
        }

        .article-meta {
            display: flex;
            align-items: center;
            justify-content: center;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 13px;
            color: var(--text-dim);
        }

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

        .meta-item svg {
            width: 14px;
            height: 14px;
            color: var(--text-dim);
        }

        .meta-item .meta-category {
            display: inline-block;
            padding: 2px 10px;
            background: rgba(46, 124, 246, 0.12);
            color: var(--primary);
            border-radius: var(--radius-pill);
            font-size: 12px;
            font-weight: 500;
        }

        /* 正文排版 */
        .article-content {
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-body);
        }

        .article-content p {
            margin-bottom: 20px;
        }

        .article-content h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-main);
            margin: 36px 0 16px;
            letter-spacing: -0.5px;
        }

        .article-content h3 {
            font-size: 19px;
            font-weight: 600;
            color: var(--text-main);
            margin: 28px 0 12px;
        }

        .article-content blockquote {
            border-left: 4px solid var(--primary);
            background: rgba(46, 124, 246, 0.06);
            padding: 16px 20px;
            border-radius: var(--radius-sm);
            margin: 24px 0;
            color: var(--text-sub);
        }

        .article-content img {
            border-radius: 12px;
            width: 100%;
            margin: 24px 0;
        }

        .article-content ul,
        .article-content ol {
            margin: 16px 0 24px;
            padding-left: 1.5rem;
        }

        .article-content li {
            margin-bottom: 8px;
        }

        .article-content a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .article-content a:hover {
            color: var(--secondary);
        }

        .article-content pre {
            background: rgba(0, 0, 0, 0.3);
            border-radius: var(--radius-sm);
            padding: 16px 20px;
            overflow-x: auto;
            font-family: "SF Mono", "Fira Code", Consolas, monospace;
            font-size: 14px;
            color: var(--text-body);
            margin: 24px 0;
        }

        .article-content code {
            background: rgba(0, 0, 0, 0.3);
            border-radius: 4px;
            padding: 2px 6px;
            font-size: 14px;
            font-family: "SF Mono", "Fira Code", Consolas, monospace;
            color: var(--secondary);
        }

        /* 未找到 */
        .not-found {
            text-align: center;
            padding: 60px 20px;
            background: var(--bg-glass);
            border: 1px dashed var(--border-glass);
            border-radius: var(--radius-lg);
        }

        .not-found h1 {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 12px;
        }

        .not-found p {
            color: var(--text-sub);
            font-size: 15px;
            margin-bottom: 24px;
        }

        .not-found .btn-back {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 28px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-pill);
            font-size: 14px;
            font-weight: 600;
            text-decoration: none;
            box-shadow: var(--glow-primary);
            transition: var(--transition);
        }

        .not-found .btn-back:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 28px rgba(46, 124, 246, 0.5);
            color: #fff;
        }

        /* ============================================
           相关推荐
        ============================================ */
        .related-section {
            padding: 60px 0 80px;
            position: relative;
            z-index: 1;
            background: rgba(255, 255, 255, 0.01);
            border-top: 1px solid rgba(255, 255, 255, 0.04);
        }

        .related-section .section-title {
            font-size: 32px;
            font-weight: 700;
            color: var(--text-main);
            text-align: center;
            margin-bottom: 8px;
            letter-spacing: -0.5px;
        }

        .related-section .section-subtitle {
            text-align: center;
            color: var(--text-sub);
            font-size: 15px;
            margin-bottom: 40px;
        }

        .related-card {
            background: var(--bg-glass);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            overflow: hidden;
            height: 100%;
            display: flex;
            flex-direction: column;
            transition: var(--transition);
            box-shadow: var(--shadow-card);
        }

        .related-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(46, 124, 246, 0.3);
        }

        .related-card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            display: block;
        }

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

        .related-card-body h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 8px;
            line-height: 1.5;
        }

        .related-card-body p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.65;
            margin-bottom: 16px;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-card-body .related-link {
            font-size: 13px;
            font-weight: 500;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: var(--transition);
        }

        .related-card-body .related-link:hover {
            gap: 8px;
            color: var(--secondary);
        }

        .btn-back-list {
            display: block;
            text-align: center;
            margin-top: 40px;
            text-decoration: none;
            color: var(--text-sub);
            font-size: 14px;
            transition: var(--transition);
        }

        .btn-back-list:hover {
            color: var(--primary);
        }

        /* ============================================
           页脚
        ============================================ */
        .site-footer {
            background: rgba(4, 10, 20, 0.9);
            border-top: 1px solid var(--border-glass);
            padding: 64px 0 0;
            position: relative;
            z-index: 1;
        }

        .footer-brand-row {
            padding-bottom: 40px;
        }

        .footer-brand-text {
            font-size: 20px;
            font-weight: 800;
            color: var(--text-main);
            letter-spacing: -0.3px;
            margin-bottom: 8px;
        }

        .footer-brand-desc {
            font-size: 13px;
            color: var(--text-sub);
            line-height: 1.7;
            max-width: 320px;
        }

        .footer-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }

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

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

        .footer-links a {
            font-size: 13px;
            color: var(--text-sub);
            text-decoration: none;
            transition: var(--transition);
        }

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

        .footer-contact-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-sub);
            margin-bottom: 12px;
        }

        .contact-icon {
            color: var(--primary);
            flex-shrink: 0;
            display: flex;
            align-items: center;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 20px 0;
        }

        .footer-bottom-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
        }

        .footer-copy {
            font-size: 13px;
            color: var(--text-dim);
        }

        .footer-domain {
            font-size: 13px;
            color: var(--text-dim);
        }

        /* ============================================
           响应式
        ============================================ */
        @media (max-width: 1200px) {
            .dock-nav {
                padding: 0 12px;
            }

            .nav-links a {
                padding: 8px 12px;
                font-size: 13px;
            }
        }

        @media (max-width: 992px) {
            .nav-links {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .dock-nav {
                border-radius: 16px;
            }

            .article-header h1 {
                font-size: 36px;
            }
        }

        @media (max-width: 768px) {
            .dock-nav-wrap {
                width: calc(100% - 32px);
            }

            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .article-wrap {
                padding: 0 16px 32px;
            }

            .article-header {
                padding: 24px 0;
            }

            .article-header h1 {
                font-size: 30px;
                letter-spacing: -0.5px;
            }

            .related-section .section-title {
                font-size: 26px;
            }
        }

        @media (max-width: 576px) {
            .brand-text {
                font-size: 16px;
            }

            .brand-sub {
                display: none;
            }

            .btn-cta {
                padding: 8px 16px;
                font-size: 13px;
            }

            .search-btn {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .article-breadcrumb {
                padding-top: 92px;
            }

            .article-meta {
                flex-direction: column;
                gap: 8px;
            }

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

        /* ============================================
           动画与装饰
        ============================================ */
        @keyframes pulse-dot {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.4; }
        }

        .live-dot {
            display: inline-block;
            width: 6px;
            height: 6px;
            background: var(--secondary);
            border-radius: 50%;
            margin-right: 4px;
            animation: pulse-dot 1s ease-in-out infinite;
        }

        /* 网格装饰 */
        .grid-bg {
            background-image:
                linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
            background-size: 60px 60px;
        }

        /* Focus 状态 */
        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

/* roulang page: category1 */
:root {
            --bg: #060D18;
            --primary: #2E7CF6;
            --secondary: #00E5C3;
            --accent: #FF7A1A;
            --text-main: #E8F0F8;
            --text-sub: #8FA3BF;
            --text-dim: #5A6B85;
            --glass-bg: rgba(255, 255, 255, 0.04);
            --glass-bg-dark: rgba(10, 20, 42, 0.6);
            --glass-border: rgba(255, 255, 255, 0.08);
            --radius-sm: 12px;
            --radius-card: 16px;
            --radius-lg: 24px;
            --radius-pill: 999px;
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.25);
            --shadow-hover: 0 12px 40px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(255, 255, 255, 0.06);
            --shadow-glow: 0 0 20px rgba(46, 124, 246, 0.35);
            --shadow-glow-cyan: 0 0 28px rgba(0, 229, 195, 0.25);
            --shadow-glow-orange: 0 0 24px rgba(255, 122, 26, 0.3);
            --font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
            --space-section: 100px;
            --container-w: 1200px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text-main);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        body::before {
            content: '';
            position: fixed;
            top: -200px;
            left: -100px;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(46, 124, 246, 0.06) 0%, transparent 70%);
            z-index: 0;
            pointer-events: none;
        }
        body::after {
            content: '';
            position: fixed;
            bottom: -200px;
            right: -100px;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(0, 229, 195, 0.05) 0%, transparent 70%);
            z-index: 0;
            pointer-events: none;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color .2s ease;
        }
        a:hover {
            color: #6ba8ff;
        }
        img {
            max-width: 100%;
            height: auto;
        }
        .container {
            max-width: var(--container-w);
            padding-left: 24px;
            padding-right: 24px;
        }
        main {
            position: relative;
            z-index: 1;
            overflow: hidden;
        }

        /* ===== Dock 导航 ===== */
        .dock-nav-wrap {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1030;
            width: 100%;
            display: flex;
            justify-content: center;
            padding: 0 16px;
        }
        .dock-nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            width: 100%;
            max-width: min(var(--container-w), calc(100% - 0px));
            height: 64px;
            padding: 0 12px 0 20px;
            background: rgba(8, 16, 30, 0.75);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid rgba(255, 255, 255, 0.07);
            border-radius: var(--radius-pill);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
        }
        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .brand-icon {
            width: 34px;
            height: 34px;
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .brand-icon svg {
            width: 100%;
            height: 100%;
        }
        .brand-text {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: 0;
            white-space: nowrap;
            line-height: 1.2;
        }
        .brand-sub {
            display: block;
            font-size: 11px;
            font-weight: 400;
            color: var(--text-sub);
            letter-spacing: 0.5px;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            margin-left: 8px;
        }
        .nav-links a {
            position: relative;
            padding: 8px 14px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-sub);
            border-radius: var(--radius-pill);
            transition: color .2s ease, background .2s ease;
        }
        .nav-links a:hover {
            color: var(--text-main);
            background: rgba(255, 255, 255, 0.04);
        }
        .nav-links a.active {
            color: var(--primary);
            font-weight: 600;
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            border-radius: 2px;
            background: var(--primary);
            box-shadow: 0 0 8px rgba(46, 124, 246, 0.6);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .search-btn {
            width: 38px;
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 50%;
            color: var(--text-sub);
            cursor: pointer;
            transition: all .2s ease;
        }
        .search-btn:hover {
            color: var(--primary);
            border-color: rgba(46, 124, 246, 0.4);
        }
        .btn-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 22px;
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            background: var(--primary);
            border: none;
            border-radius: var(--radius-pill);
            box-shadow: var(--shadow-glow);
            transition: all .25s ease;
            white-space: nowrap;
        }
        .btn-cta:hover {
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-glow-cyan);
            background: #3b8aff;
        }
        .hamburger {
            display: none;
            width: 38px;
            height: 38px;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 10px;
            color: var(--text-sub);
            cursor: pointer;
        }
        .hamburger svg {
            width: 20px;
            height: 20px;
        }

        /* ===== 分类横幅 ===== */
        .cat-hero {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            padding: 140px 0 80px;
            background: linear-gradient(135deg, rgba(6, 13, 24, 0.85), rgba(10, 20, 42, 0.6)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            overflow: hidden;
        }
        .cat-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
            background-size: 60px 60px;
            pointer-events: none;
        }
        .cat-hero::after {
            content: '';
            position: absolute;
            right: -60px;
            bottom: -60px;
            width: 360px;
            height: 360px;
            background: radial-gradient(circle, rgba(46, 124, 246, 0.12), transparent 70%);
            clip-path: polygon(0 0, 100% 0, 100% 100%);
            pointer-events: none;
        }
        .cat-hero-content {
            position: relative;
            z-index: 2;
            max-width: 680px;
        }
        .cat-hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 14px;
            font-size: 12px;
            font-weight: 500;
            color: var(--secondary);
            background: rgba(0, 229, 195, 0.08);
            border: 1px solid rgba(0, 229, 195, 0.2);
            border-radius: var(--radius-pill);
            margin-bottom: 20px;
            letter-spacing: 0.3px;
        }
        .cat-hero-tag .dot {
            width: 6px;
            height: 6px;
            background: var(--secondary);
            border-radius: 50%;
            animation: pulse 1s ease-in-out infinite;
        }
        @keyframes pulse {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.4;
            }
        }
        .cat-hero h1 {
            font-size: 52px;
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: -1px;
            color: var(--text-main);
            margin-bottom: 18px;
        }
        .cat-hero h1 .gradient-text {
            background: linear-gradient(120deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .cat-hero-desc {
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-sub);
            margin-bottom: 32px;
            max-width: 540px;
        }
        .cat-hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 14px 32px;
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            background: var(--primary);
            border: none;
            border-radius: var(--radius-pill);
            box-shadow: var(--shadow-glow);
            transition: all .25s ease;
        }
        .btn-primary:hover {
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-glow-cyan);
            background: #3b8aff;
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 14px 28px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-main);
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: var(--radius-pill);
            transition: all .25s ease;
        }
        .btn-outline:hover {
            color: var(--primary);
            border-color: rgba(46, 124, 246, 0.5);
            background: rgba(46, 124, 246, 0.06);
        }
        .cat-hero-stats {
            display: flex;
            align-items: center;
            gap: 28px;
            margin-top: 48px;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }
        .hero-stat {
            display: flex;
            flex-direction: column;
        }
        .hero-stat-num {
            font-size: 24px;
            font-weight: 800;
            color: var(--text-main);
            font-variant-numeric: tabular-nums;
            line-height: 1.2;
        }
        .hero-stat-num span {
            font-size: 14px;
            font-weight: 400;
            color: var(--text-dim);
            margin-left: 2px;
        }
        .hero-stat-label {
            font-size: 12px;
            color: var(--text-dim);
            margin-top: 2px;
        }

        /* ===== 内容分区 A ===== */
        .cat-section-a {
            position: relative;
            padding: var(--space-section) 0;
            background: linear-gradient(180deg, rgba(6, 13, 24, 0.9) 0%, rgba(8, 16, 30, 0.95) 50%, rgba(6, 13, 24, 1) 100%);
        }
        .cat-section-a .container {
            position: relative;
            z-index: 1;
        }
        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 1px;
            text-transform: uppercase;
            color: var(--primary);
            margin-bottom: 14px;
        }
        .section-tag::before {
            content: '';
            width: 20px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }
        .section-title {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.25;
            letter-spacing: -0.5px;
            color: var(--text-main);
            margin-bottom: 16px;
        }
        .section-desc {
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-sub);
            margin-bottom: 28px;
            max-width: 560px;
        }
        .feature-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .feature-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 16px 18px;
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            transition: all .25s ease;
        }
        .feature-item:hover {
            background: rgba(46, 124, 246, 0.06);
            border-color: rgba(46, 124, 246, 0.2);
            transform: translateX(4px);
        }
        .feature-icon {
            width: 32px;
            height: 32px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            background: rgba(46, 124, 246, 0.1);
            border-radius: 8px;
        }
        .feature-icon svg {
            width: 18px;
            height: 18px;
        }
        .feature-text {
            flex: 1;
        }
        .feature-text strong {
            display: block;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 2px;
        }
        .feature-text span {
            font-size: 13px;
            color: var(--text-sub);
            line-height: 1.6;
        }
        .cat-image-wrap {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--glass-border);
            box-shadow: var(--shadow-hover);
            background: var(--glass-bg-dark);
        }
        .cat-image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 320px;
        }
        .cat-image-wrap::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 60%, rgba(6, 13, 24, 0.4));
            pointer-events: none;
        }
        .cat-image-badge {
            position: absolute;
            bottom: 16px;
            left: 16px;
            z-index: 2;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            font-size: 12px;
            color: var(--text-main);
            background: rgba(6, 13, 24, 0.7);
            backdrop-filter: blur(12px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-pill);
        }
        .cat-image-badge .live-dot {
            width: 6px;
            height: 6px;
            background: var(--accent);
            border-radius: 50%;
            animation: pulse 1s ease-in-out infinite;
        }

        /* ===== 内容分区 B：登录方式矩阵 ===== */
        .cat-section-b {
            position: relative;
            padding: var(--space-section) 0;
            background: rgba(8, 16, 30, 0.4);
        }
        .cat-section-b::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
            background-size: 60px 60px;
            pointer-events: none;
        }
        .cat-section-b .container {
            position: relative;
            z-index: 1;
        }
        .cat-section-b .section-head {
            text-align: center;
            margin-bottom: 48px;
        }
        .cat-section-b .section-tag {
            justify-content: center;
        }
        .cat-section-b .section-tag::before {
            display: none;
        }
        .cat-section-b .section-title {
            text-align: center;
        }
        .cat-section-b .section-desc {
            text-align: center;
            margin: 0 auto;
        }
        .matrix-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .login-matrix-card {
            position: relative;
            padding: 28px 24px;
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all .3s ease;
        }
        .login-matrix-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            opacity: 0.6;
            transition: opacity .3s ease;
        }
        .login-matrix-card::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(105deg, transparent 40%, rgba(255, 255, 255, 0.05) 50%, transparent 60%);
            transform: translateX(-100%);
            transition: transform .6s ease;
            pointer-events: none;
        }
        .login-matrix-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(46, 124, 246, 0.25);
        }
        .login-matrix-card:hover::before {
            opacity: 1;
        }
        .login-matrix-card:hover::after {
            transform: translateX(100%);
        }
        .matrix-icon {
            width: 48px;
            height: 48px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            background: rgba(46, 124, 246, 0.1);
            border-radius: 12px;
            margin-bottom: 18px;
            transition: all .3s ease;
        }
        .login-matrix-card:hover .matrix-icon {
            background: rgba(46, 124, 246, 0.2);
            box-shadow: 0 0 16px rgba(46, 124, 246, 0.15);
        }
        .matrix-icon svg {
            width: 24px;
            height: 24px;
        }
        .matrix-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 8px;
        }
        .matrix-desc {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.65;
        }
        .matrix-scene {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            margin-top: 14px;
            padding: 4px 10px;
            font-size: 12px;
            color: var(--text-dim);
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-pill);
        }

        /* ===== 登录流程 ===== */
        .cat-steps {
            position: relative;
            padding: var(--space-section) 0;
            background: linear-gradient(180deg, rgba(6, 13, 24, 1) 0%, rgba(8, 16, 30, 0.8) 100%);
        }
        .cat-steps .section-head {
            text-align: center;
            margin-bottom: 52px;
        }
        .cat-steps .section-tag {
            justify-content: center;
        }
        .cat-steps .section-tag::before {
            display: none;
        }
        .cat-steps .section-title {
            text-align: center;
        }
        .cat-steps .section-desc {
            text-align: center;
            margin: 0 auto;
        }
        .steps-row {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            position: relative;
        }
        .steps-row::before {
            content: '';
            position: absolute;
            top: 40px;
            left: 12%;
            right: 12%;
            height: 1px;
            background: repeating-linear-gradient(90deg, rgba(46, 124, 246, 0.2) 0 6px, transparent 6px 12px);
            z-index: 0;
        }
        .step-card {
            position: relative;
            z-index: 1;
            text-align: center;
            padding: 32px 24px;
            background: var(--glass-bg-dark);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            transition: all .3s ease;
        }
        .step-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .step-num {
            width: 80px;
            height: 80px;
            margin: 0 auto 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 32px;
            font-weight: 800;
            font-variant-numeric: tabular-nums;
            color: var(--secondary);
            background: rgba(0, 229, 195, 0.06);
            border: 1px solid rgba(0, 229, 195, 0.15);
            border-radius: 20px;
            position: relative;
        }
        .step-num::after {
            content: '';
            position: absolute;
            inset: -4px;
            border-radius: 24px;
            border: 1px solid rgba(0, 229, 195, 0.05);
        }
        .step-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 10px;
        }
        .step-desc {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
            max-width: 260px;
            margin: 0 auto;
        }

        /* ===== FAQ ===== */
        .faq-section {
            position: relative;
            padding: var(--space-section) 0;
            background: rgba(8, 16, 30, 0.4);
        }
        .faq-section .section-head {
            text-align: center;
            margin-bottom: 40px;
        }
        .faq-section .section-tag {
            justify-content: center;
        }
        .faq-section .section-tag::before {
            display: none;
        }
        .faq-section .section-title {
            text-align: center;
        }
        .faq-wrapper {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .faq-item {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all .3s ease;
        }
        .faq-item:hover {
            border-color: rgba(46, 124, 246, 0.2);
        }
        .faq-item.open {
            background: rgba(46, 124, 246, 0.04);
            border-color: rgba(46, 124, 246, 0.25);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            background: transparent;
            border: none;
            cursor: pointer;
            text-align: left;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            transition: color .2s ease;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-arrow {
            width: 20px;
            height: 20px;
            flex-shrink: 0;
            color: var(--text-dim);
            transition: transform .3s ease, color .3s ease;
        }
        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease;
        }
        .faq-answer p {
            padding: 0 22px 20px;
            font-size: 14px;
            line-height: 1.75;
            color: var(--text-sub);
        }
        .faq-more {
            text-align: center;
            margin-top: 28px;
        }
        .faq-more a {
            font-size: 14px;
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 4px;
        }

        /* ===== CTA ===== */
        .cta-section {
            position: relative;
            padding: 80px 0 100px;
            background: linear-gradient(180deg, rgba(6, 13, 24, 1) 0%, rgba(8, 16, 30, 0.9) 100%);
        }
        .cta-box {
            position: relative;
            padding: 60px 40px;
            background: var(--glass-bg-dark);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            text-align: center;
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .cta-box::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 50% 100%, rgba(46, 124, 246, 0.08), transparent 70%);
            pointer-events: none;
        }
        .cta-title {
            font-size: 32px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 14px;
        }
        .cta-desc {
            font-size: 15px;
            color: var(--text-sub);
            max-width: 520px;
            margin: 0 auto 32px;
        }
        .btn-cta-orange {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 15px 38px;
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            background: linear-gradient(135deg, var(--accent), #ff9039);
            border: none;
            border-radius: var(--radius-pill);
            box-shadow: var(--shadow-glow-orange);
            transition: all .25s ease;
        }
        .btn-cta-orange:hover {
            color: #fff;
            transform: translateY(-2px) scale(1.02);
            box-shadow: 0 0 32px rgba(255, 122, 26, 0.4);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            position: relative;
            background: rgba(4, 8, 16, 0.9);
            border-top: 1px solid var(--glass-border);
            padding: 60px 0 24px;
            z-index: 1;
        }
        .footer-brand-row {
            margin-bottom: 40px;
        }
        .footer-brand-text {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
            letter-spacing: -0.3px;
        }
        .footer-brand-desc {
            font-size: 13px;
            line-height: 1.7;
            color: var(--text-sub);
            max-width: 300px;
        }
        .footer-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 14px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-links a {
            font-size: 13px;
            color: var(--text-sub);
            transition: all .2s ease;
        }
        .footer-links a:hover {
            color: var(--primary);
            padding-left: 4px;
        }
        .footer-contact-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-sub);
            margin-bottom: 10px;
        }
        .contact-icon {
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-dim);
            background: rgba(255, 255, 255, 0.03);
            border-radius: 6px;
            flex-shrink: 0;
        }
        .contact-icon svg {
            width: 14px;
            height: 14px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 20px;
        }
        .footer-bottom-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
        }
        .footer-copy {
            font-size: 13px;
            color: var(--text-dim);
        }
        .footer-domain {
            font-size: 13px;
            color: var(--text-dim);
            font-variant-numeric: tabular-nums;
        }

        /* ===== 移动端菜单 ===== */
        .mobile-menu {
            display: none;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1199.98px) {
            :root {
                --space-section: 80px;
            }
            .dock-nav {
                max-width: calc(100% - 32px);
            }
            .nav-links {
                gap: 2px;
            }
            .nav-links a {
                padding: 8px 10px;
                font-size: 13px;
            }
        }
        @media (max-width: 991.98px) {
            .dock-nav {
                border-radius: 16px;
                height: 60px;
                padding: 0 12px 0 16px;
            }
            .nav-links {
                position: fixed;
                top: 88px;
                left: 50%;
                transform: translateX(-50%) translateY(-8px);
                width: calc(100% - 32px);
                max-width: 400px;
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                padding: 16px;
                background: rgba(8, 16, 30, 0.95);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                border: 1px solid var(--glass-border);
                border-radius: 16px;
                box-shadow: 0 16px 48px rgba(0, 0, 0, 0.5);
                display: none;
                z-index: 1029;
            }
            .nav-links.open {
                display: flex;
                animation: dropIn .25s ease forwards;
            }
            @keyframes dropIn {
                from {
                    opacity: 0;
                    transform: translateX(-50%) translateY(-8px);
                }
                to {
                    opacity: 1;
                    transform: translateX(-50%) translateY(0);
                }
            }
            .nav-links a {
                padding: 12px 16px;
                font-size: 15px;
                border-radius: 10px;
            }
            .nav-links a.active::after {
                display: none;
            }
            .nav-links a.active {
                background: rgba(46, 124, 246, 0.1);
            }
            .hamburger {
                display: flex;
            }
            .search-btn {
                display: none;
            }
            .cat-hero {
                min-height: 380px;
                padding: 120px 0 60px;
            }
            .cat-hero h1 {
                font-size: 40px;
            }
            .matrix-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-row {
                grid-template-columns: repeat(1, 1fr);
                gap: 20px;
            }
            .steps-row::before {
                display: none;
            }
            .cat-hero-content {
                max-width: 100%;
            }
            .brand-sub {
                font-size: 10px;
            }
        }
        @media (max-width: 767.98px) {
            :root {
                --space-section: 56px;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .cat-hero {
                min-height: 360px;
                padding: 110px 0 40px;
            }
            .cat-hero h1 {
                font-size: 32px;
            }
            .cat-hero-desc {
                font-size: 15px;
            }
            .cat-hero-stats {
                gap: 16px;
                flex-wrap: wrap;
            }
            .section-title {
                font-size: 28px;
            }
            .section-desc {
                font-size: 15px;
            }
            .cta-box {
                padding: 40px 24px;
            }
            .cta-title {
                font-size: 26px;
            }
            .btn-primary,
            .btn-outline {
                width: 100%;
            }
            .cat-hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .matrix-grid {
                grid-template-columns: 1fr;
            }
            .cat-image-wrap img {
                min-height: 240px;
            }
            .dock-nav-wrap {
                top: 12px;
            }
            .nav-links {
                top: 80px;
            }
        }
        @media (max-width: 575.98px) {
            .brand-text {
                font-size: 16px;
            }
            .btn-cta {
                padding: 8px 16px;
                font-size: 13px;
            }
            .brand-icon {
                width: 28px;
                height: 28px;
            }
            .dock-nav {
                height: 56px;
                padding-left: 12px;
            }
            .cat-hero-stats .hero-stat {
                min-width: calc(50% - 16px);
            }
            .faq-question {
                font-size: 15px;
                padding: 16px 16px;
            }
            .faq-answer p {
                padding: 0 16px 16px;
            }
            .footer-bottom-inner {
                flex-direction: column;
                text-align: center;
                gap: 6px;
            }
            .cat-section-a {
                padding-top: 40px;
                padding-bottom: 40px;
            }
            .cat-section-b {
                padding-top: 40px;
                padding-bottom: 40px;
            }
            .cat-steps {
                padding-top: 40px;
                padding-bottom: 40px;
            }
            .faq-section {
                padding-top: 40px;
                padding-bottom: 40px;
            }
            .cta-section {
                padding: 48px 0;
            }
        }

/* roulang page: category2 */
:root {
            --bg: #060D18;
            --blue: #2E7CF6;
            --cyan: #00E5C3;
            --orange: #FF7A1A;
            --text: #E8F0F8;
            --text-sub: #8FA3BF;
            --text-dim: #5A6B85;
            --glass: rgba(255, 255, 255, 0.04);
            --glass-deep: rgba(10, 20, 42, 0.6);
            --border: rgba(255, 255, 255, 0.08);
            --radius: 16px;
            --radius-lg: 24px;
            --shadow: 0 4px 24px rgba(0, 0, 0, 0.25);
            --shadow-hover: 0 12px 40px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(255, 255, 255, 0.06);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
            background-color: var(--bg);
            background-image: radial-gradient(800px 400px at 10% -10%, rgba(46, 124, 246, 0.08), transparent 60%),
                radial-gradient(600px 360px at 90% 20%, rgba(0, 229, 195, 0.05), transparent 55%),
                radial-gradient(700px 420px at 50% 110%, rgba(46, 124, 246, 0.06), transparent 60%);
            background-attachment: fixed;
            color: var(--text);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: var(--blue);
            text-decoration: none;
            transition: color .2s ease;
        }

        a:hover {
            color: var(--cyan);
        }

        img {
            max-width: 100%;
        }

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

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

        @media (max-width: 576px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* ===== 浮动 Dock 导航 ===== */
        .dock-nav-wrap {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1030;
            width: min(1200px, calc(100% - 32px));
        }

        .dock-nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            padding: 0 20px 0 24px;
            background: rgba(8, 16, 30, 0.75);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid rgba(255, 255, 255, 0.07);
            border-radius: 999px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .brand-icon {
            width: 34px;
            height: 34px;
            border-radius: 10px;
            background: rgba(46, 124, 246, 0.12);
            border: 1px solid rgba(46, 124, 246, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--blue);
        }

        .brand-icon svg {
            width: 20px;
            height: 20px;
        }

        .brand-text {
            font-size: 18px;
            font-weight: 800;
            color: var(--text);
            letter-spacing: .3px;
            white-space: nowrap;
        }

        .brand-sub {
            font-size: 13px;
            font-weight: 500;
            color: var(--text-sub);
            margin-left: 2px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            margin: 0 12px;
        }

        .nav-links a {
            display: inline-block;
            padding: 8px 16px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-sub);
            border-radius: 999px;
            transition: all .25s ease;
            position: relative;
        }

        .nav-links a:hover {
            color: var(--blue);
            background: rgba(46, 124, 246, 0.06);
        }

        .nav-links a.active {
            color: var(--text);
            background: rgba(46, 124, 246, 0.12);
            box-shadow: inset 0 0 0 1px rgba(46, 124, 246, 0.2);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .search-btn {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: 1px solid var(--border);
            background: rgba(255, 255, 255, 0.04);
            color: var(--text-sub);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all .25s ease;
        }

        .search-btn:hover {
            color: var(--cyan);
            border-color: rgba(0, 229, 195, 0.4);
            background: rgba(0, 229, 195, 0.06);
        }

        .btn-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 40px;
            padding: 0 22px;
            border-radius: 999px;
            background: var(--blue);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            box-shadow: 0 0 20px rgba(46, 124, 246, 0.35);
            border: none;
            transition: all .25s ease;
            white-space: nowrap;
        }

        .btn-cta:hover {
            transform: translateY(-2px);
            color: #fff;
            background: #3b8aff;
            box-shadow: 0 0 28px rgba(46, 124, 246, 0.5);
        }

        .hamburger {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            border: 1px solid var(--border);
            background: transparent;
            color: var(--text);
            align-items: center;
            justify-content: center;
            cursor: pointer;
        }

        .hamburger svg {
            width: 20px;
            height: 20px;
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 90px;
            left: 16px;
            right: 16px;
            z-index: 1029;
            background: rgba(8, 16, 30, 0.95);
            backdrop-filter: blur(24px);
            -webkit-backdrop-filter: blur(24px);
            border: 1px solid var(--border);
            border-radius: 20px;
            padding: 20px;
            box-shadow: 0 16px 48px rgba(0, 0, 0, 0.5);
        }

        .mobile-menu.show {
            display: block;
        }

        .mobile-menu a {
            display: block;
            padding: 14px 16px;
            font-size: 15px;
            color: var(--text-sub);
            border-radius: 12px;
            transition: all .2s ease;
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--cyan);
            background: rgba(46, 124, 246, 0.1);
        }

        @media (max-width: 992px) {
            .nav-links {
                display: none;
            }
            .dock-nav {
                border-radius: 20px;
            }
            .hamburger {
                display: inline-flex;
            }
        }

        @media (max-width: 576px) {
            .dock-nav-wrap {
                top: 12px;
                width: calc(100% - 24px);
            }
            .dock-nav {
                height: 58px;
                padding: 0 14px 0 16px;
            }
            .brand-text {
                font-size: 16px;
            }
            .brand-sub {
                font-size: 12px;
            }
            .btn-cta {
                padding: 0 16px;
                font-size: 13px;
                height: 38px;
            }
            .search-btn {
                display: none;
            }
        }

        /* ===== 分类页通用 ===== */
        .category-main {
            padding-top: 140px;
            padding-bottom: 80px;
        }

        /* 顶部横幅 */
        .banner-section {
            position: relative;
            padding: 120px 0 100px;
            background-image: linear-gradient(rgba(6, 13, 24, 0.82), rgba(6, 13, 24, 0.92)), url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            overflow: hidden;
        }

        .banner-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(500px 240px at 80% 30%, rgba(46, 124, 246, 0.12), transparent 65%),
                radial-gradient(360px 200px at 15% 80%, rgba(0, 229, 195, 0.07), transparent 60%);
            pointer-events: none;
        }

        .banner-content {
            position: relative;
            z-index: 1;
        }

        .banner-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            color: var(--cyan);
            background: rgba(0, 229, 195, 0.08);
            border: 1px solid rgba(0, 229, 195, 0.25);
            margin-bottom: 20px;
        }

        .banner-tag::before {
            content: '';
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--cyan);
            animation: pulse-dot 1.5s ease infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: .4;
            }
        }

        .banner-section h1 {
            font-size: 48px;
            font-weight: 800;
            letter-spacing: -1px;
            line-height: 1.25;
            color: var(--text);
            margin-bottom: 16px;
        }

        .banner-section h1 .gradient-text {
            background: linear-gradient(90deg, var(--blue), var(--cyan));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .banner-sub {
            font-size: 16px;
            color: var(--text-sub);
            max-width: 640px;
            margin-bottom: 0;
            line-height: 1.8;
        }

        .banner-metrics {
            display: flex;
            gap: 0;
            margin-top: 48px;
            flex-wrap: wrap;
        }

        .banner-metric {
            padding: 8px 32px 8px 0;
            border-right: 1px solid rgba(255, 255, 255, 0.1);
            margin-right: 32px;
        }

        .banner-metric:last-child {
            border-right: none;
            margin-right: 0;
        }

        .banner-metric .metric-num {
            font-size: 30px;
            font-weight: 800;
            font-variant-numeric: tabular-nums;
            color: var(--text);
            line-height: 1.2;
        }

        .banner-metric .metric-num span {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-dim);
            margin-left: 2px;
        }

        .banner-metric .metric-label {
            font-size: 13px;
            color: var(--text-sub);
            margin-top: 2px;
        }

        @media (max-width: 768px) {
            .banner-section {
                padding: 100px 0 70px;
            }
            .banner-section h1 {
                font-size: 32px;
            }
            .banner-sub {
                font-size: 14px;
            }
            .banner-metrics {
                gap: 12px 24px;
            }
            .banner-metric {
                padding-right: 20px;
                margin-right: 20px;
            }
        }

        /* 全宽内容条 */
        .wide-strip {
            padding: 60px 0;
            background: linear-gradient(135deg, rgba(46, 124, 246, 0.2), rgba(0, 229, 195, 0.08));
            border-top: 1px solid rgba(46, 124, 246, 0.15);
            border-bottom: 1px solid rgba(46, 124, 246, 0.15);
            position: relative;
            overflow: hidden;
        }

        .wide-strip::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 300px;
            height: 100%;
            background: radial-gradient(300px 200px at 100% 0%, rgba(0, 229, 195, 0.1), transparent 70%);
            pointer-events: none;
        }

        .wide-strip-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
        }

        .wide-strip-text {
            flex: 1;
        }

        .wide-strip-text h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            letter-spacing: -0.3px;
        }

        .wide-strip-text p {
            font-size: 15px;
            color: var(--text-sub);
            margin-bottom: 0;
            max-width: 600px;
        }

        .wide-strip-cta {
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            height: 46px;
            padding: 0 30px;
            border-radius: 999px;
            background: var(--blue);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            box-shadow: 0 0 20px rgba(46, 124, 246, 0.35);
            transition: all .25s ease;
        }

        .wide-strip-cta:hover {
            transform: translateY(-2px);
            color: #fff;
            box-shadow: 0 0 28px rgba(0, 229, 195, 0.3);
            background: #3b8aff;
        }

        @media (max-width: 768px) {
            .wide-strip-inner {
                flex-direction: column;
                text-align: center;
                gap: 20px;
            }
            .wide-strip-text p {
                margin: 0 auto;
            }
            .wide-strip {
                padding: 40px 0;
            }
        }

        /* 错位内容块 */
        .offset-block {
            padding: 80px 0;
            position: relative;
        }

        .offset-block:nth-child(odd) {
            background: rgba(255, 255, 255, 0.01);
        }

        .offset-block .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            color: var(--blue);
            letter-spacing: 1px;
            margin-bottom: 14px;
            text-transform: uppercase;
        }

        .offset-block .section-label::before {
            content: '';
            width: 20px;
            height: 2px;
            background: var(--blue);
            border-radius: 2px;
        }

        .offset-block h3 {
            font-size: 30px;
            font-weight: 700;
            letter-spacing: -0.5px;
            line-height: 1.3;
            color: var(--text);
            margin-bottom: 16px;
        }

        .offset-block .lead-text {
            font-size: 16px;
            color: var(--text-sub);
            line-height: 1.85;
            margin-bottom: 20px;
        }

        .feature-list {
            list-style: none;
            padding: 0;
            margin: 0 0 24px;
        }

        .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 10px 0;
            font-size: 15px;
            color: var(--text);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }

        .feature-list li:last-child {
            border-bottom: none;
        }

        .feature-list .tick {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: rgba(0, 229, 195, 0.12);
            border: 1px solid rgba(0, 229, 195, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--cyan);
            margin-top: 2px;
        }

        .feature-list .tick svg {
            width: 12px;
            height: 12px;
        }

        .offset-img-wrap {
            border-radius: 20px;
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.08);
            box-shadow: var(--shadow-hover);
            position: relative;
            background: var(--glass-deep);
        }

        .offset-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
            min-height: 320px;
            background: var(--glass-deep);
        }

        .offset-badge {
            position: absolute;
            top: 16px;
            left: 16px;
            padding: 6px 14px;
            border-radius: 999px;
            background: rgba(6, 13, 24, 0.7);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid rgba(46, 124, 246, 0.3);
            font-size: 12px;
            font-weight: 600;
            color: var(--cyan);
            letter-spacing: .3px;
        }

        .offset-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            border-radius: 12px;
            border: 1px solid rgba(46, 124, 246, 0.35);
            background: rgba(46, 124, 246, 0.08);
            color: var(--blue);
            font-size: 14px;
            font-weight: 500;
            transition: all .25s ease;
        }

        .offset-btn:hover {
            background: rgba(46, 124, 246, 0.16);
            border-color: var(--blue);
            color: var(--blue);
            transform: translateX(4px);
        }

        @media (max-width: 992px) {
            .offset-block {
                padding: 60px 0;
            }
            .offset-block h3 {
                font-size: 24px;
            }
            .offset-img-wrap {
                margin-top: 32px;
            }
            .offset-img-wrap img {
                min-height: 240px;
            }
        }

        /* 底部 CTA */
        .category-cta {
            padding: 80px 0 100px;
            position: relative;
        }

        .category-cta::before {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80%;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(46, 124, 246, 0.4), rgba(0, 229, 195, 0.4), transparent);
        }

        .cta-glass-card {
            background: var(--glass-deep);
            backdrop-filter: blur(24px);
            -webkit-backdrop-filter: blur(24px);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-lg);
            padding: 60px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow);
        }

        .cta-glass-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--blue), var(--cyan));
        }

        .cta-glass-card::after {
            content: '';
            position: absolute;
            top: -40%;
            right: -20%;
            width: 60%;
            height: 120%;
            background: radial-gradient(400px 260px at 80% 20%, rgba(0, 229, 195, 0.06), transparent 70%);
            pointer-events: none;
        }

        .cta-glass-card h2 {
            font-size: 34px;
            font-weight: 800;
            letter-spacing: -0.5px;
            margin-bottom: 12px;
            color: var(--text);
        }

        .cta-glass-card p {
            font-size: 16px;
            color: var(--text-sub);
            max-width: 600px;
            margin: 0 auto 32px;
            line-height: 1.8;
        }

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

        .btn-primary-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            height: 50px;
            padding: 0 36px;
            border-radius: 999px;
            background: var(--blue);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            border: none;
            box-shadow: 0 0 20px rgba(46, 124, 246, 0.35);
            transition: all .25s ease;
        }

        .btn-primary-cta:hover {
            transform: translateY(-2px);
            background: #3b8aff;
            color: #fff;
            box-shadow: 0 0 28px rgba(46, 124, 246, 0.5);
        }

        .btn-secondary-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            height: 50px;
            padding: 0 32px;
            border-radius: 999px;
            background: transparent;
            color: var(--text);
            font-size: 15px;
            font-weight: 500;
            border: 1px solid rgba(255, 255, 255, 0.25);
            transition: all .25s ease;
        }

        .btn-secondary-cta:hover {
            border-color: var(--blue);
            color: var(--blue);
            transform: translateY(-2px);
        }

        @media (max-width: 768px) {
            .category-cta {
                padding: 60px 0 70px;
            }
            .cta-glass-card {
                padding: 40px 24px;
            }
            .cta-glass-card h2 {
                font-size: 26px;
            }
            .btn-primary-cta,
            .btn-secondary-cta {
                width: 100%;
                justify-content: center;
            }
        }

        /* 页脚 */
        .site-footer {
            background: rgba(4, 10, 20, 0.85);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 64px 0 28px;
        }

        .footer-brand-text {
            font-size: 22px;
            font-weight: 800;
            color: var(--text);
            letter-spacing: -0.3px;
            margin-bottom: 12px;
        }

        .footer-brand-desc {
            font-size: 13px;
            line-height: 1.7;
            color: var(--text-dim);
            max-width: 320px;
            margin-bottom: 0;
        }

        .footer-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 16px;
        }

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

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

        .footer-links a {
            font-size: 13px;
            color: var(--text-sub);
            transition: all .25s ease;
        }

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

        .footer-contact-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: var(--text-sub);
            margin-bottom: 12px;
        }

        .contact-icon {
            color: var(--blue);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .footer-bottom {
            margin-top: 48px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .footer-bottom-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
        }

        .footer-copy {
            font-size: 13px;
            color: var(--text-dim);
        }

        .footer-tech {
            font-size: 13px;
            color: var(--text-dim);
        }

        @media (max-width: 768px) {
            .site-footer {
                padding-top: 48px;
            }
            .footer-bottom-inner {
                flex-direction: column;
                text-align: center;
            }
        }

        /* 装饰分隔线 */
        .divider-lines {
            display: flex;
            justify-content: center;
            gap: 6px;
            padding: 24px 0;
            opacity: .3;
        }

        .divider-lines span {
            display: block;
            height: 2px;
            background: linear-gradient(90deg, var(--blue), var(--cyan));
            border-radius: 2px;
            transform: rotate(-3deg);
        }

        .divider-lines span:nth-child(1) {
            width: 24px;
        }

        .divider-lines span:nth-child(2) {
            width: 40px;
        }

        .divider-lines span:nth-child(3) {
            width: 56px;
        }

        .divider-lines span:nth-child(4) {
            width: 36px;
        }

        .divider-lines span:nth-child(5) {
            width: 16px;
        }