/* ========== 页面特定样式（在 modern-glass-system.css 基础上扩展） ========== */
        :root {
            /* 字体覆盖 */
            --font-heading: 'Space Grotesk', sans-serif;
            --font-body: 'DM Sans', sans-serif;

            /* 品牌色覆盖 */
            --bg-gradient: linear-gradient(135deg, #0f0c29 0%, #302b63 50%, #24243e 100%);
            --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            --accent-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
            --glow-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);

            /* 毛玻璃效果 */
            --glass-bg: rgba(255, 255, 255, 0.05);
            --glass-bg-hover: rgba(255, 255, 255, 0.1);
            --glass-border: rgba(255, 255, 255, 0.1);
            --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);

            /* 文字颜色 */
            --text-primary: #ffffff;
            --text-secondary: #e2e8f0;
            --text-tertiary: #94a3b8;

            /* 品牌色 */
            --primary: #667eea;
            --accent: #f093fb;
            --glow: #4facfe;

            /* 状态色 */
            --success: #10b981;
            --warning: #f59e0b;
            --danger: #ef4444;

            /* 其他 */
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-full: 9999px;
        }

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

        body {
            font-family: var(--font-body);
            background: var(--bg-gradient);
            background-size: 400% 400%;
            animation: gradientBG 20s ease infinite;
            color: var(--text-primary);
            line-height: 1.65;
            position: relative;
            overflow-x: hidden;
        }

        /* 背景渐变动画 */
        @keyframes gradientBG {
            0% { background-position: 0% 50%; }
            50% { background-position: 100% 50%; }
            100% { background-position: 0% 50%; }
        }

        /* 背景光晕装饰 */
        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background:
                radial-gradient(circle at 20% 50%, rgba(102, 126, 234, 0.2) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(118, 75, 162, 0.15) 0%, transparent 50%),
                radial-gradient(circle at 40% 20%, rgba(79, 172, 254, 0.12) 0%, transparent 50%);
            pointer-events: none;
            z-index: 0;
            animation: backgroundPulse 15s ease infinite;
        }

        @keyframes backgroundPulse {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.6; }
        }

        /* ========== Hero 区域 ========== */
        .hero {
            position: relative;
            min-height: 90vh;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            text-align: center;
            padding: 100px 32px 60px;
            overflow: hidden;
            z-index: 1;
        }

        /* 浮动光球装饰 */
        .hero::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(102, 126, 234, 0.3) 0%, transparent 70%);
            border-radius: 50%;
            animation: float 20s ease-in-out infinite;
        }

        .hero::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(240, 147, 251, 0.25) 0%, transparent 70%);
            border-radius: 50%;
            animation: float 15s ease-in-out infinite reverse;
        }

        @keyframes float {
            0%, 100% { transform: translate(0, 0) scale(1); }
            50% { transform: translate(30px, -30px) scale(1.1); }
        }

        .hero-content {
            position: relative;
            z-index: 1;
            max-width: 760px;
            animation: fadeInUp 0.8s ease-out;
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            background: var(--glass-bg);
            backdrop-filter: blur(10px);
            border: 1px solid var(--glass-border);
            color: var(--text-primary);
            font-size: 13px;
            font-weight: 600;
            border-radius: var(--radius-full);
            margin-bottom: 24px;
            transition: all 0.3s ease;
        }

        .hero-badge:hover {
            background: var(--glass-bg-hover);
            transform: translateY(-2px);
        }

        .hero-badge-dot {
            width: 6px;
            height: 6px;
            background: var(--success);
            border-radius: 50%;
            animation: pulse 2s ease infinite;
        }

        @keyframes pulse {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.5; }
        }

        .hero h1 {
            font-family: var(--font-heading);
            font-size: clamp(36px, 6vw, 56px);
            font-weight: 700;
            line-height: 1.1;
            letter-spacing: -1.5px;
            margin-bottom: 20px;
            background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .section-title,
        .product-name,
        .feature-title,
        .cta-title,
        .nav-logo {
            font-family: var(--font-heading);
        }

        .hero-description {
            font-size: 18px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 36px;
            max-width: 540px;
            margin-left: auto;
            margin-right: auto;
        }

        .hero-actions {
            display: flex;
            gap: 12px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .hero-btn-primary {
            padding: 14px 28px;
            font-size: 15px;
            background: var(--primary-gradient);
            color: white;
            border: none;
            border-radius: var(--radius-md);
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
        }

        .hero-btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 30px rgba(102, 126, 234, 0.5);
        }

        .hero-btn-primary:active {
            transform: translateY(-1px);
        }

        .hero-btn-secondary {
            padding: 14px 28px;
            font-size: 15px;
            background: var(--glass-bg);
            backdrop-filter: blur(10px);
            color: var(--text-primary);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .hero-btn-secondary:hover {
            background: var(--glass-bg-hover);
            border-color: rgba(102, 126, 234, 0.3);
            transform: translateY(-2px);
        }

        /* ========== 产品展示区 ========== */
        .products-section {
            padding: 80px 32px;
            position: relative;
            z-index: 1;
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
            animation: fadeInUp 0.6s ease-out 0.2s both;
        }

        .section-label {
            display: inline-block;
            padding: 6px 14px;
            background: var(--glass-bg);
            backdrop-filter: blur(10px);
            border: 1px solid var(--glass-border);
            color: var(--text-primary);
            font-size: 12px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1px;
            border-radius: var(--radius-full);
            margin-bottom: 16px;
        }

        .section-title {
            font-size: 32px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

        .section-desc {
            font-size: 16px;
            color: var(--text-secondary);
        }

        .products-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
            max-width: 1200px;
            margin: 0 auto;
        }

        .product-card {
            background: var(--glass-bg);
            backdrop-filter: blur(10px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            padding: 28px;
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            cursor: pointer;
            position: relative;
            overflow: hidden;
        }

        .product-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--primary-gradient);
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .product-card::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(124, 58, 237, 0.15), transparent 60%);
            opacity: 0;
            transition: opacity 0.4s ease;
            pointer-events: none;
        }

        .product-card:hover {
            background: var(--glass-bg-hover);
            border-color: rgba(102, 126, 234, 0.4);
            box-shadow: 0 16px 48px rgba(102, 126, 234, 0.25);
            transform: translateY(-8px) scale(1.02);
        }

        .product-card:hover::before {
            opacity: 1;
        }

        .product-card:hover::after {
            opacity: 1;
        }

        .product-icon {
            width: 56px;
            height: 56px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--primary-gradient);
            border-radius: var(--radius-md);
            font-size: 24px;
            margin-bottom: 16px;
            transition: all 0.3s ease;
        }

        .product-card:hover .product-icon {
            transform: scale(1.1) rotate(5deg);
        }

        .product-icon img {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
        }

        .product-name {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .product-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 16px;
        }

        .product-meta {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .product-tag {
            padding: 4px 10px;
            background: var(--bg-hover);
            color: var(--text-tertiary);
            font-size: 12px;
            border-radius: var(--radius-sm);
        }

        .product-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            margin-top: 16px;
            color: var(--primary);
            font-size: 14px;
            font-weight: 600;
        }

        .product-link:hover {
            color: var(--primary-dark);
        }

        /* ========== 特性展示区 ========== */
        .features-section {
            padding: 80px 32px;
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 24px;
            max-width: 1200px;
            margin: 0 auto;
        }

        .feature-card {
            padding: 24px;
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            transition: all var(--transition-normal);
        }

        .feature-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
        }

        .feature-icon {
            width: 48px;
            height: 48px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary-fade), var(--accent-fade));
            border-radius: var(--radius-md);
            font-size: 22px;
            margin-bottom: 16px;
        }

        .feature-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .feature-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* ========== CTA 区域 ========== */
        .cta-section {
            padding: 80px 32px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            text-align: center;
            color: white;
        }

        .cta-title {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .cta-desc {
            font-size: 16px;
            opacity: 0.9;
            margin-bottom: 28px;
            max-width: 480px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            background: white;
            color: var(--primary);
            font-weight: 600;
            border-radius: var(--radius-md);
            text-decoration: none;
            transition: all var(--transition-normal);
        }

        .cta-btn:hover {
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
            transform: translateY(-2px);
        }

        /* ========== 页脚 ========== */
        .footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-light);
        }

        .footer-content {
            max-width: 1200px;
            margin: 0 auto;
            padding: 48px 32px 32px;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 48px;
            margin-bottom: 32px;
        }

        @media (max-width: 768px) {
            .footer-top {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }

        .footer-brand .logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

        .footer-brand .logo img {
            height: 24px;
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            max-width: 280px;
        }

        .footer-nav-title {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
        }

        .footer-nav-links {
            list-style: none;
        }

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

        .footer-nav-links a {
            font-size: 14px;
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            padding-top: 24px;
            border-top: 1px solid var(--border-light);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
        }

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

        .footer-social {
            display: flex;
            gap: 12px;
        }

        .footer-social a {
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--bg-hover);
            border-radius: var(--radius-sm);
            color: var(--text-secondary);
            font-size: 14px;
            transition: all var(--transition-fast);
        }

        .footer-social a:hover {
            background: var(--primary-fade);
            color: var(--primary);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 768px) {
            .hero {
                padding: 80px 20px 40px;
                min-height: auto;
            }

            .hero h1 {
                font-size: 32px;
            }

            .hero-description {
                font-size: 16px;
            }

            .hero-actions {
                flex-direction: column;
                width: 100%;
                max-width: 280px;
                margin: 0 auto;
            }

            .hero-btn-primary,
            .hero-btn-secondary {
                width: 100%;
                justify-content: center;
            }

            .products-section,
            .features-section,
            .cta-section {
                padding: 48px 20px;
            }

            .section-title {
                font-size: 24px;
            }

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

        /* ========== 导航栏样式 ========== */
        .navbar {
            background: var(--glass-bg);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--glass-border);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            box-shadow: var(--glass-shadow);
        }

        .navbar-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 32px;
            height: 64px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
            color: var(--text-primary);
            font-weight: 700;
            font-size: 18px;
            transition: opacity 0.2s ease;
        }

        .nav-logo:hover {
            opacity: 0.8;
        }

        .nav-logo img {
            height: 32px;
        }

        .nav-links {
            display: flex;
            gap: 32px;
            list-style: none;
        }

        .nav-links a {
            color: var(--text-secondary);
            text-decoration: none;
            font-size: 14px;
            font-weight: 500;
            transition: all 0.2s ease;
            padding: 8px 0;
            position: relative;
        }

        .nav-links a:hover {
            color: var(--text-primary);
        }

        .nav-links a.active {
            color: var(--text-primary);
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--primary-gradient);
            border-radius: 2px;
        }