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

        html, body {
            height: 100%;
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', sans-serif;
            color: #333;
            line-height: 1.6;
        }

        .xcw5-wrapper {
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }

        /* 导航栏样式 */
        .xcw5-navbar {
            background: linear-gradient(135deg, #0084ff 0%, #0073e6 100%);
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }

        .xcw5-navbar-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 70px;
        }

        .xcw5-logo-section {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 24px;
            font-weight: bold;
            color: white;
            text-decoration: none;
        }

        .xcw5-logo-section img {
            height: 45px;
            width: auto;
        }

        .xcw5-nav-menu {
            display: flex;
            gap: 30px;
            list-style: none;
        }

        .xcw5-nav-link {
            color: white;
            text-decoration: none;
            font-size: 15px;
            font-weight: 500;
            transition: opacity 0.3s ease, color 0.3s ease;
            padding: 8px 12px;
            border-radius: 4px;
        }

        .xcw5-nav-link:hover {
            opacity: 0.85;
            background-color: rgba(255, 255, 255, 0.15);
        }

        /* 主内容区 */
        .xcw5-main-content {
            flex: 1;
        }

        /* Hero区域 */
        .xcw5-hero-section {
            background: linear-gradient(135deg, #0084ff 0%, #0073e6 100%);
            color: white;
            padding: 80px 20px;
            text-align: center;
        }

        .xcw5-hero-container {
            max-width: 900px;
            margin: 0 auto;
        }

        .xcw5-hero-title {
            font-size: 48px;
            font-weight: 700;
            margin-bottom: 20px;
            line-height: 1.2;
        }

        .xcw5-hero-subtitle {
            font-size: 20px;
            margin-bottom: 40px;
            opacity: 0.95;
            line-height: 1.5;
        }

        .xcw5-cta-button-group {
            display: flex;
            gap: 20px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .xcw5-cta-primary {
            background-color: white;
            color: #0084ff;
            padding: 16px 40px;
            border: none;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            text-decoration: none;
            display: inline-block;
        }

        .xcw5-cta-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
        }

        .xcw5-cta-secondary {
            background-color: transparent;
            color: white;
            padding: 16px 40px;
            border: 2px solid white;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
            display: inline-block;
        }

        .xcw5-cta-secondary:hover {
            background-color: white;
            color: #0084ff;
        }

        /* 功能区 */
        .xcw5-features-section {
            padding: 80px 20px;
            background-color: #f8f9fa;
        }

        .xcw5-features-container {
            max-width: 1200px;
            margin: 0 auto;
        }

        .xcw5-section-title {
            font-size: 36px;
            font-weight: 700;
            margin-bottom: 50px;
            text-align: center;
            color: #333;
        }

        .xcw5-features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
            margin-bottom: 40px;
        }

        .xcw5-feature-card {
            background: white;
            padding: 40px 30px;
            border-radius: 12px;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            text-align: center;
        }

        .xcw5-feature-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
        }

        .xcw5-feature-icon {
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, #0084ff 0%, #0073e6 100%);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 28px;
            color: white;
        }

        .xcw5-feature-title {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 15px;
            color: #333;
        }

        .xcw5-feature-desc {
            font-size: 15px;
            color: #666;
            line-height: 1.6;
        }

        /* 关于区域 */
        .xcw5-about-section {
            padding: 80px 20px;
            background: white;
        }

        .xcw5-about-container {
            max-width: 1200px;
            margin: 0 auto;
        }

        .xcw5-about-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .xcw5-about-text h2 {
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 20px;
            color: #333;
        }

        .xcw5-about-text p {
            font-size: 16px;
            color: #666;
            margin-bottom: 16px;
            line-height: 1.8;
        }

        .xcw5-about-list {
            list-style: none;
            margin-top: 30px;
        }

        .xcw5-about-list li {
            padding: 12px 0;
            color: #333;
            font-size: 15px;
            border-bottom: 1px solid #eee;
        }

        .xcw5-about-list li:before {
            content: "✓ ";
            color: #0084ff;
            font-weight: bold;
            margin-right: 10px;
        }

        .xcw5-about-image {
            background: linear-gradient(135deg, #0084ff 0%, #0073e6 100%);
            border-radius: 12px;
            height: 400px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 18px;
        }

        /* 统计区 */
        .xcw5-stats-section {
            background: linear-gradient(135deg, #0084ff 0%, #0073e6 100%);
            color: white;
            padding: 60px 20px;
        }

        .xcw5-stats-container {
            max-width: 1200px;
            margin: 0 auto;
        }

        .xcw5-stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 40px;
            text-align: center;
        }

        .xcw5-stat-item h3 {
            font-size: 36px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .xcw5-stat-item p {
            font-size: 16px;
            opacity: 0.95;
        }

        /* 联系区 */
        .xcw5-contact-section {
            padding: 80px 20px;
            background-color: #f8f9fa;
        }

        .xcw5-contact-container {
            max-width: 1200px;
            margin: 0 auto;
        }

        .xcw5-contact-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-top: 50px;
        }

        .xcw5-contact-box {
            background: white;
            padding: 30px;
            border-radius: 12px;
            text-align: center;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
        }

        .xcw5-contact-icon {
            width: 50px;
            height: 50px;
            background: linear-gradient(135deg, #0084ff 0%, #0073e6 100%);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 24px;
            color: white;
        }

        .xcw5-contact-title {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 10px;
            color: #333;
        }

        .xcw5-contact-info {
            font-size: 15px;
            color: #666;
            word-break: break-all;
        }

        /* 页脚 */
        .xcw5-footer {
            background: #1a1a1a;
            color: #999;
            padding: 50px 20px 30px;
            margin-top: auto;
        }

        .xcw5-footer-container {
            max-width: 1200px;
            margin: 0 auto;
        }

        .xcw5-footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }

        .xcw5-footer-section h4 {
            color: white;
            font-size: 16px;
            margin-bottom: 20px;
            font-weight: 600;
        }

        .xcw5-footer-links {
            list-style: none;
        }

        .xcw5-footer-link {
            color: #999;
            text-decoration: none;
            font-size: 14px;
            margin-bottom: 12px;
            display: block;
            transition: color 0.3s ease;
        }

        .xcw5-footer-link:hover {
            color: #0084ff;
        }

        .xcw5-footer-bottom {
            border-top: 1px solid #333;
            padding-top: 30px;
            text-align: center;
            font-size: 14px;
        }

        /* 响应式设计 */
        @media (max-width: 768px) {
            .xcw5-navbar-container {
                height: auto;
                padding: 15px 20px;
                flex-direction: column;
                gap: 15px;
            }

            .xcw5-nav-menu {
                flex-direction: column;
                gap: 15px;
                width: 100%;
            }

            .xcw5-hero-title {
                font-size: 32px;
            }

            .xcw5-hero-subtitle {
                font-size: 16px;
            }

            .xcw5-cta-button-group {
                flex-direction: column;
            }

            .xcw5-cta-primary, .xcw5-cta-secondary {
                width: 100%;
            }

            .xcw5-about-content {
                grid-template-columns: 1fr;
                gap: 30px;
            }

            .xcw5-about-image {
                height: 250px;
            }

            .xcw5-section-title {
                font-size: 28px;
            }

            .xcw5-features-grid {
                grid-template-columns: 1fr;
            }

            .xcw5-stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .xcw5-contact-grid {
                grid-template-columns: 1fr;
            }

            .xcw5-footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 480px) {
            .xcw5-hero-title {
                font-size: 24px;
            }

            .xcw5-hero-subtitle {
                font-size: 14px;
            }

            .xcw5-section-title {
                font-size: 22px;
            }

            .xcw5-stats-grid {
                grid-template-columns: 1fr;
            }

            .xcw5-footer-grid {
                grid-template-columns: 1fr;
            }
        }