/* 科技感背景 */
        .tech-bg {
            background: linear-gradient(135deg, #0a2e5c 0%, #0e74f6 100%);
            position: relative;
            overflow: hidden;
        }

        .tech-bg::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: 
                radial-gradient(circle at 10% 20%, rgba(77, 171, 247, 0.1) 0%, transparent 20%),
                radial-gradient(circle at 90% 80%, rgba(77, 171, 247, 0.1) 0%, transparent 20%),
                radial-gradient(circle at 30% 70%, rgba(77, 171, 247, 0.05) 0%, transparent 20%);
            z-index: 0;
        }

        /* 会议痛点 */
        .pain-points-section {
            padding: 80px 0;
            background-color: white;
        }

        .section-title {
            text-align: center;
            margin-bottom: 60px;
        }

        .section-title h2 {
            font-size: 36px;
            color: #0a2e5c;
            margin-bottom: 15px;
            position: relative;
            display: inline-block;
        }

        .section-title h2::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: linear-gradient(90deg, #4dabf7, #0e74f6);
            border-radius: 2px;
        }

        .section-title p {
            font-size: 18px;
            color: #666;
            max-width: 700px;
            margin: 20px auto 0;
        }

        .pain-points-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-top: 40px;
        }

        .pain-point-card {
            background: #f8f9fa;
            border-radius: 12px;
            padding: 30px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            border-left: 5px solid #0e74f6;
        }

        .pain-point-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
        }

        .pain-point-icon {
            width: 70px;
            height: 70px;
            background: linear-gradient(135deg, #4dabf7 0%, #0e74f6 100%);
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            font-size: 28px;
            color: white;
        }

        .pain-point-card h3 {
            font-size: 22px;
            color: #0a2e5c;
            margin-bottom: 15px;
        }

        .pain-point-card p {
            color: #666;
            line-height: 1.8;
        }

        /* 解决方案概述 */
        .solution-overview {
            padding: 80px 0;
            background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
        }

        .solution-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .solution-text h3 {
            font-size: 32px;
            color: #0a2e5c;
            margin-bottom: 25px;
        }

        .solution-text p {
            color: #666;
            line-height: 1.8;
            margin-bottom: 20px;
            font-size: 16px;
        }

        .solution-features {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            margin-top: 30px;
        }

        .solution-feature {
            background: white;
            padding: 20px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            border-top: 4px solid #4dabf7;
        }

        .solution-feature h4 {
            color: #0a2e5c;
            margin-bottom: 10px;
            font-size: 18px;
        }

        .solution-feature p {
            color: #666;
            font-size: 14px;
            line-height: 1.6;
        }

        .solution-image {
            text-align: center;
        }

        .solution-image img {
            max-width: 100%;
            border-radius: 12px;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
        }

        /* 功能模块展示 */
        .modules-section {
            padding: 80px 0;
            background-color: white;
        }

        .modules-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 40px;
        }

        .module-card {
            background: white;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            border: 1px solid #e9ecef;
        }

        .module-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
        }

        .module-image {
            height: 220px;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .module-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(to top, rgba(10, 46, 92, 0.9), transparent);
            color: white;
            padding: 20px;
        }

        .module-overlay h3 {
            font-size: 22px;
            margin-bottom: 10px;
        }

        .module-content {
            padding: 30px;
        }

        .module-content p {
            color: #666;
            line-height: 1.8;
            margin-bottom: 20px;
        }

        .module-features {
            list-style: none;
            padding: 0;
        }

        .module-features li {
            padding: 8px 0;
            color: #555;
            position: relative;
            padding-left: 25px;
            
        }

.feature-list li i {
    color: #4dabf7;
    margin-right: 10px;
}

/* 或者使用更美观的svg图标 */
.module-features li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 2px;
    width: 18px;
    height: 18px;
    background-size: contain;
    background-repeat: no-repeat;
}

        /* 会议流程展示 */
        .process-section {
            padding: 80px 0;
            background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
        }

        .process-container {
            max-width: 1100px;
            margin: 40px auto 0;
            position: relative;
        }

        .process-container::before {
            content: '';
            position: absolute;
            top: 50px;
            left: 100px;
            right: 100px;
            height: 4px;
            background: linear-gradient(90deg, #4dabf7, #0e74f6);
            z-index: 0;
        }

        .process-steps {
            display: flex;
            justify-content: space-between;
            position: relative;
            z-index: 1;
        }

        .process-step {
            flex: 1;
            text-align: center;
            position: relative;
            padding: 0 15px;
        }

        .step-icon {
            width: 100px;
            height: 100px;
            background: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
            border: 4px solid #4dabf7;
            font-size: 36px;
            color: #0e74f6;
            z-index: 2;
            position: relative;
        }

        .step-content h4 {
            color: #0a2e5c;
            margin-bottom: 10px;
            font-size: 20px;
        }

        .step-content p {
            color: #666;
            line-height: 1.6;
            font-size: 14px;
        }

        /* 技术优势 */
        .tech-advantages {
            padding: 80px 0;
            background-color: white;
        }

        .advantages-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-top: 40px;
        }

        .advantage-card {
            background: white;
            border-radius: 12px;
            padding: 40px 30px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            border: 1px solid #e9ecef;
            text-align: center;
        }

        .advantage-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
            background: linear-gradient(135deg, #4dabf7 0%, #0e74f6 100%);
            color: white;
        }

        .advantage-card:hover h3,
        .advantage-card:hover p {
            color: white;
        }

        .advantage-icon {
            width: 80px;
            height: 80px;
            background: linear-gradient(135deg, #4dabf7 0%, #0e74f6 100%);
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 25px;
            font-size: 32px;
            color: white;
        }

        .advantage-card h3 {
            font-size: 22px;
            color: #0a2e5c;
            margin-bottom: 15px;
        }

        .advantage-card p {
            color: #666;
            line-height: 1.8;
        }

        /* 案例展示 */
        .case-section {
            padding: 80px 0;
            background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
        }

        .case-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-top: 40px;
        }

        .case-card {
            background: white;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .case-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
        }

        .case-image {
            height: 200px;
            background-size: cover;
            background-position: center;
        }

        .case-content {
            padding: 25px;
        }

        .case-content h4 {
            color: #0a2e5c;
            margin-bottom: 10px;
            font-size: 18px;
        }

        .case-content p {
            color: #666;
            line-height: 1.6;
            margin-bottom: 15px;
        }

        .case-stats {
            display: flex;
            justify-content: space-between;
            padding-top: 15px;
            border-top: 1px solid #e9ecef;
        }

        .stat-item {
            text-align: center;
        }

        .stat-value {
            font-size: 24px;
            font-weight: 700;
            color: #0e74f6;
        }

        .stat-label {
            font-size: 14px;
            color: #666;
        }
        
        
          /* 响应式设计 */
        @media (max-width: 992px) {
            .process-container::before {
                left: 80px;
                right: 80px;
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                position: fixed;
                top: 0;
                right: -100%;
                width: 80%;
                height: 100vh;
                background: rgba(14,116,246, 0.98);
                flex-direction: column;
                padding: 80px 20px 20px;
                transition: right 0.3s ease;
            }

            .nav-menu.active {
                right: 0;
            }

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

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

            .page-header p {
                font-size: 18px;
            }

            .section-title h2 {
                font-size: 28px;
            }

            .solution-content {
                grid-template-columns: 1fr;
            }

            .solution-features {
                grid-template-columns: 1fr;
            }

            .process-steps {
                flex-direction: column;
                gap: 40px;
            }

            .process-container::before {
                display: none;
            }

            .step-icon {
                width: 80px;
                height: 80px;
                font-size: 28px;
            }
        }

        @media (max-width: 480px) {
            .page-header h1 {
                font-size: 28px;
            }

            .page-header p {
                font-size: 16px;
            }

            .pain-point-card, .advantage-card, .case-card {
                padding: 30px 20px;
            }

            .module-card {
                padding: 20px;
            }
        }