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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background: linear-gradient(135deg, #07C160 0%, #09BB07 100%);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            color: #333;
        }

        /* 微信风格容器 */
        .wechat-container {
            flex: 1;
            display: flex;
            flex-direction: column;
            background: #F5F5F5;
            margin: 10px;
            border-radius: 12px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
            overflow: hidden;
            position: relative;
        }

        /* 头部样式 */
        .wechat-header {
            background: linear-gradient(135deg, #07C160 0%, #09BB07 100%);
            color: white;
            padding: 40px 20px 30px;
            text-align: center;
            position: relative;
        }

        .wechat-header::after {
            content: '';
            position: absolute;
            bottom: -20px;
            left: 50%;
            transform: translateX(-50%);
            width: 40px;
            height: 40px;
            background: #F5F5F5;
            border-radius: 50%;
        }

        .app-icon {
            width: 80px;
            height: 80px;
            background: white;
            border-radius: 20px;
            margin: 0 auto 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
        }

        .app-icon::before {
            content: '👥';
            font-size: 36px;
        }

        .app-name {
            font-size: 22px;
            font-weight: 600;
            margin-bottom: 8px;
            letter-spacing: 1px;
        }

        .slogan {
            font-size: 14px;
            opacity: 0.9;
            font-weight: 300;
        }

        /* 内容区域 */
        .wechat-content {
            flex: 1;
            padding: 40px 20px 20px;
            display: flex;
            flex-direction: column;
        }

        .language-section {
            background: white;
            border-radius: 12px;
            padding: 25px;
            margin-bottom: 20px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
        }

        .language-title {
            font-size: 16px;
            color: #666;
            text-align: center;
            margin-bottom: 20px;
            font-weight: 500;
        }

        .language-buttons {
            display: flex;
            gap: 12px;
            justify-content: center;
        }

        .language-btn {
            flex: 1;
            max-width: 140px;
            padding: 16px;
            border: 2px solid #E0E0E0;
            border-radius: 10px;
            background: white;
            color: #333;
            font-size: 15px;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.3s ease;
            text-align: center;
        }

        .language-btn:hover {
            border-color: #07C160;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(7, 193, 96, 0.2);
        }

        .language-btn.active {
            border-color: #07C160;
            background: #07C160;
            color: white;
            box-shadow: 0 4px 12px rgba(7, 193, 96, 0.3);
        }

        /* 加载区域 */
        .loading-section {
            background: white;
            border-radius: 12px;
            padding: 40px 25px;
            text-align: center;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
        }

        .loading-spinner {
            width: 50px;
            height: 50px;
            border: 3px solid #F0F0F0;
            border-top: 3px solid #07C160;
            border-radius: 50%;
            margin: 0 auto 20px;
            animation: spin 1s linear infinite;
        }

        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        .loading-text {
            font-size: 16px;
            color: #333;
            margin-bottom: 10px;
            font-weight: 500;
        }

        .countdown-text {
            font-size: 14px;
            color: #666;
        }

        /* 底部信息 */
        .wechat-footer {
            background: white;
            padding: 20px;
            text-align: center;
            border-top: 1px solid #F0F0F0;
        }

        .company-name {
            font-size: 14px;
            color: #333;
            margin-bottom: 8px;
            font-weight: 500;
        }

        .filing-info {
            font-size: 12px;
            color: #999;
            line-height: 1.5;
        }

        /* 微信风格装饰元素 */
        .decoration {
            position: absolute;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: linear-gradient(135deg, rgba(7, 193, 96, 0.1) 0%, rgba(9, 187, 7, 0.05) 100%);
            z-index: 0;
        }

        .decoration-1 {
            top: -80px;
            right: -80px;
        }

        .decoration-2 {
            bottom: -100px;
            left: -100px;
        }

        /* 响应式设计 */
        @media (max-width: 480px) {
            .wechat-container {
                margin: 8px;
                border-radius: 10px;
            }

            .wechat-header {
                padding: 30px 15px 25px;
            }

            .app-icon {
                width: 70px;
                height: 70px;
                border-radius: 18px;
            }

            .app-name {
                font-size: 20px;
            }

            .language-buttons {
                flex-direction: column;
                align-items: center;
            }

            .language-btn {
                max-width: 100%;
                width: 100%;
            }
        }

        /* 右到左语言支持 */
        [dir="rtl"] .language-buttons {
            flex-direction: row-reverse;
        }

        [dir="rtl"] .decoration-1 {
            right: auto;
            left: -80px;
        }

        [dir="rtl"] .decoration-2 {
            left: auto;
            right: -100px;
        }