/* 页面布局 */
        body {
            padding-top: 60px;
            background: #f5f7fa;
            min-height: 100vh;
        }

        /* Hero Banner 区域 - 腾讯云风格 */
        .hero-section {
            background: linear-gradient(135deg, #0052d9 0%, #0043b3 50%, #003087 100%);
            color: white;
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }

        .hero-section::before {
            content: "";
            position: absolute;
            top: 0;
            right: 0;
            bottom: 0;
            left: 0;
            background-image: 
                radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(255, 106, 0, 0.1) 0%, transparent 50%);
            opacity: 0.6;
        }

        .hero-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            text-align: center;
            position: relative;
            z-index: 1;
        }

        .hero-icon {
            font-size: 4rem;
            margin-bottom: 24px;
            animation: float 3s ease-in-out infinite;
        }

        @keyframes float {
            0%, 100% { transform: translateY(0px); }
            50% { transform: translateY(-8px); }
        }

        .hero-title {
            font-size: 3rem;
            font-weight: 800;
            margin-bottom: 16px;
            line-height: 1.2;
        }

        .hero-subtitle {
            font-size: 1.2rem;
            opacity: 0.95;
            max-width: 600px;
            margin: 0 auto;
        }

        /* 内容容器 */
        .content-section {
            padding: 60px 0;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 体验卡片 - 腾讯云风格 */
        .experience-card {
            background: white;
            border-radius: 16px;
            padding: 60px 40px;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
            text-align: center;
            border: 1px solid #e5e7eb;
            transition: all 0.3s ease;
        }

        .experience-card:hover {
            box-shadow: 0 12px 40px rgba(0, 82, 217, 0.12);
            transform: translateY(-4px);
        }

        .card-icon {
            width: 100px;
            height: 100px;
            background: linear-gradient(135deg, #00a870, #00c27f);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 32px;
            box-shadow: 0 8px 24px rgba(0, 168, 112, 0.3);
        }

        .card-icon i {
            font-size: 3.5rem;
            color: white;
        }

        .card-title {
            font-size: 2rem;
            font-weight: 700;
            color: #1f2937;
            margin-bottom: 16px;
        }

        .card-description {
            font-size: 1.1rem;
            color: #6b7280;
            line-height: 1.8;
            margin-bottom: 40px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        /* 二维码容器 */
        .qr-wrapper {
            max-width: 400px;
            margin: 0 auto;
        }

        .qr-container {
            background: #f9fafb;
            border-radius: 20px;
            padding: 40px;
            border: 2px solid #e5e7eb;
            transition: all 0.3s ease;
        }

        .qr-container:hover {
            border-color: #0052d9;
            box-shadow: 0 8px 24px rgba(0, 82, 217, 0.12);
        }

        .qr-code {
            width: 280px;
            height: 280px;
            background: white;
            border: 3px solid #0052d9;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
            margin: 0 auto 24px;
            box-shadow: 0 4px 12px rgba(0, 82, 217, 0.15);
        }

        .qr-code img {
            width: 100%;
            height: 100%;
            object-fit: contain;
            padding: 10px;
        }

        .qr-tip {
            background: linear-gradient(135deg, #e0f2fe, #dbeafe);
            border: 1px solid #0052d9;
            color: #0052d9;
            padding: 14px 24px;
            border-radius: 10px;
            font-weight: 600;
            font-size: 1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }

        .qr-tip i {
            font-size: 1.2rem;
        }

        /* 提示信息区 */
        .info-section {
            margin-top: 40px;
        }

        .info-card {
            background: linear-gradient(135deg, #fff7ed, #ffedd5);
            border: 2px solid #fb923c;
            border-radius: 12px;
            padding: 24px;
            display: flex;
            align-items: flex-start;
            gap: 16px;
        }

        .info-icon {
            font-size: 1.5rem;
            color: #ea580c;
            flex-shrink: 0;
            margin-top: 2px;
        }

        .info-content h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: #9a3412;
            margin-bottom: 8px;
        }

        .info-content p {
            font-size: 0.95rem;
            color: #9a3412;
            line-height: 1.6;
            margin: 0;
        }

        /* 特性列表 */
        .features-section {
            margin-top: 60px;
        }

        .section-title {
            text-align: center;
            font-size: 1.8rem;
            font-weight: 700;
            color: #1f2937;
            margin-bottom: 40px;
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 24px;
        }

        .feature-item {
            background: white;
            border: 1px solid #e5e7eb;
            border-radius: 12px;
            padding: 24px;
            text-align: center;
            transition: all 0.3s ease;
        }

        .feature-item:hover {
            border-color: #0052d9;
            box-shadow: 0 8px 20px rgba(0, 82, 217, 0.1);
            transform: translateY(-4px);
        }

        .feature-item i {
            font-size: 2.5rem;
            color: #0052d9;
            margin-bottom: 16px;
        }

        .feature-item h4 {
            font-size: 1.1rem;
            font-weight: 600;
            color: #1f2937;
            margin-bottom: 8px;
        }

        .feature-item p {
            font-size: 0.9rem;
            color: #6b7280;
            line-height: 1.6;
            margin: 0;
        }

        /* 响应式设计 */
        @media (max-width: 768px) {
            .hero-section {
                padding: 60px 0;
            }

            .hero-title {
                font-size: 2rem;
            }

            .hero-subtitle {
                font-size: 1rem;
            }

            .hero-icon {
                font-size: 3rem;
            }

            .experience-card {
                padding: 40px 24px;
            }

            .card-icon {
                width: 80px;
                height: 80px;
            }

            .card-icon i {
                font-size: 2.5rem;
            }

            .card-title {
                font-size: 1.5rem;
            }

            .qr-code {
                width: 240px;
                height: 240px;
            }

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