/* 英雄区域 */
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            padding: 140px 5% 80px;
            background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
            position: relative;
            overflow: hidden;
        }
        
        .hero::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 80%;
            height: 200%;
            background: radial-gradient(circle, rgba(37, 99, 235, 0.08) 0%, transparent 70%);
            z-index: 1;
        }
        
        .hero-content {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 60px;
            align-items: center;
            position: relative;
            z-index: 2;
        }
        
        .hero-text {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        
        .hero-badge {
            background: var(--gradient-secondary);
            color: white;
            padding: 8px 16px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            width: fit-content;
            margin-bottom: 10px;
        }
        
        .hero-title {
            font-size: 3.2rem;
            font-weight: 800;
            line-height: 1.15;
            color: var(--dark);
            margin-bottom: 16px;
        }
        
        .hero-title span {
            color: var(--primary);
            position: relative;
        }
        
        .hero-title span::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 100%;
            height: 8px;
            background: rgba(37, 99, 235, 0.2);
            z-index: -1;
        }
        
        .hero-subtitle {
            font-size: 1.2rem;
            color: var(--gray);
            line-height: 1.7;
            margin-bottom: 32px;
        }
        
        .hero-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-bottom: 32px;
        }
        
        .stat-item {
            text-align: center;
            padding: 15px;
            background: white;
            border-radius: 12px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
        }
        
        .stat-value {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 5px;
        }
        
        .stat-label {
            font-size: 0.9rem;
            color: var(--gray);
        }
        
        .hero-actions {
            display: flex;
            gap: 16px;
        }
        
        .btn {
            padding: 16px 32px;
            border-radius: 8px;
            font-weight: 500;
            text-decoration: none;
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 1rem;
        }
        
        .btn-primary {
            background: var(--gradient);
            color: white;
            box-shadow: 0 4px 20px rgba(37, 99, 235, 0.4);
        }
        
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(37, 99, 235, 0.5);
        }
        
        .btn-secondary {
            background: white;
            color: var(--dark);
            border: 1px solid var(--light-gray);
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
        }
        
        .btn-secondary:hover {
            background: #f8fafc;
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
            border-color: var(--primary-light);
        }
        
        .hero-image {
            position: relative;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
            transform: perspective(1000px) rotateY(-5deg) rotateX(5deg);
            transition: transform 0.5s ease;
        }
        
        .hero-image:hover {
            transform: perspective(1000px) rotateY(0) rotateX(0);
        }
        
        .hero-image img {
            width: 100%;
            height: auto;
            display: block;
        }
        
        /* 核心优势 */
        .advantages {
            padding: 100px 5%;
            background: white;
            position: relative;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
        }
        
        .section-header {
            text-align: center;
            margin-bottom: 80px;
        }
        
        .section-title {
            font-size: 2.8rem;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--dark);
            position: relative;
            display: inline-block;
        }
        
        .section-title::after {
            content: '';
            position: absolute;
            bottom: -15px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: var(--gradient);
            border-radius: 2px;
        }
        
        .section-subtitle {
            font-size: 1.2rem;
            color: var(--gray);
            max-width: 800px;
            margin: 30px auto 0;
            line-height: 1.6;
        }
        
        .advantages-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 40px;
        }
        
        .advantage-card {
            background: white;
            border-radius: 16px;
            padding: 40px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            transition: all 0.3s ease;
            text-align: center;
            border-top: 4px solid var(--primary);
            position: relative;
            overflow: hidden;
        }
        
        .advantage-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: var(--gradient);
            opacity: 0;
            transition: opacity 0.3s ease;
            z-index: 0;
        }
        
        .advantage-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
        }
        
        .advantage-card:hover::before {
            opacity: 0.03;
        }
        
        .advantage-icon {
            width: 80px;
            height: 80px;
            background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(29, 78, 216, 0.1));
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 24px;
            position: relative;
            z-index: 1;
        }
        
        .advantage-icon i {
            font-size: 36px;
            color: var(--primary);
        }
        
        .advantage-title {
            font-size: 1.5rem;
            font-weight: 600;
            margin-bottom: 16px;
            color: var(--dark);
            position: relative;
            z-index: 1;
        }
        
        .advantage-desc {
            color: var(--gray);
            line-height: 1.6;
            position: relative;
            z-index: 1;
        }
        
        /* 核心功能 */
        .features {
            padding: 100px 5%;
            background: #f8fafc;
            position: relative;
        }
        
        .features::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="dots" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="2" cy="2" r="1" fill="%232566eb" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23dots)"/></svg>');
            opacity: 0.3;
        }
        
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 40px;
            position: relative;
            z-index: 2;
        }
        
        .feature-card {
            background: white;
            border-radius: 16px;
            padding: 40px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }
        
        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: var(--gradient);
            opacity: 0;
            transition: opacity 0.3s ease;
            z-index: 0;
        }
        
        .feature-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
        }
        
        .feature-card:hover::before {
            opacity: 0.03;
        }
        
        .feature-icon {
            width: 64px;
            height: 64px;
            background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(29, 78, 216, 0.1));
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
        }
        
        .feature-icon i {
            font-size: 28px;
            color: var(--primary);
        }
        
        .feature-title {
            font-size: 1.5rem;
            font-weight: 600;
            margin-bottom: 16px;
            color: var(--dark);
            position: relative;
            z-index: 1;
        }
        
        .feature-desc {
            color: var(--gray);
            line-height: 1.6;
            margin-bottom: 20px;
            position: relative;
            z-index: 1;
        }
        
        .feature-stats {
            display: flex;
            gap: 20px;
            margin-top: 20px;
            position: relative;
            z-index: 1;
        }
        
        .stat-item {
            display: flex;
            flex-direction: column;
        }
        
        .stat-value {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary);
            line-height: 1;
        }
        
        .stat-label {
            font-size: 0.9rem;
            color: var(--gray);
        }
        
        /* 案例展示 */
        .cases {
            padding: 100px 5%;
            background: white;
        }
        
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 40px;
        }
        
        .case-card {
            background: white;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            transition: all 0.3s ease;
            position: relative;
        }
        
        .case-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
        }
        
        .case-image {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }
        
        .case-content {
            padding: 30px;
        }
        
        .case-title {
            font-size: 1.5rem;
            font-weight: 600;
            margin-bottom: 12px;
            color: var(--dark);
        }
        
        .case-desc {
            color: var(--gray);
            line-height: 1.6;
            margin-bottom: 20px;
        }
        
        .case-stats {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
        }
        
        .case-stat {
            text-align: center;
            padding: 15px;
            background: #f8fafc;
            border-radius: 8px;
        }
        
        .case-stat-value {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 5px;
        }
        
        .case-stat-label {
            font-size: 0.9rem;
            color: var(--gray);
        }
        
        /* CTA部分 */
        .cta {
            padding: 100px 5%;
            background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary-dark) 100%);
            color: white;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        
        .cta::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
            opacity: 0.3;
        }
        
        .cta-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
            margin: 0 auto;
        }
        
        .cta-title {
            font-size: 2.8rem;
            font-weight: 700;
            margin-bottom: 20px;
        }
        
        .cta-text {
            font-size: 1.2rem;
            margin-bottom: 40px;
            opacity: 0.9;
            line-height: 1.6;
        }
        
        .cta-buttons {
            display: flex;
            gap: 20px;
            justify-content: center;
        }