body {
            margin: 0;
            font-family: Arial, sans-serif;
            background-color: #000000;
            color: white;
            min-height: 100vh;
            position: relative;
            padding-bottom: 80px; /* 增加底部内边距 */
        }
        .header {
            background-color: #212121;
            padding: 5px;
            text-align: center;
            border-bottom: 1px solid #212121;
            position: relative; /* 确保header在顶部 */
            z-index: 100; /* 保证header在最上层 */
        }
        .header h1 {
            font-size: 36px;
            margin: 10px 0;
        }
        
        .content {
            background-color: #ffffff;
            color: #000000;
            margin: 20px 20px;
            padding: 30px;
            max-width: 1000px;
            min-width: 300px;
            min-height: calc(100vh - 240px); /* 确保内容区域最小高度 */
            border-radius: 5px;
            box-shadow: 0 0 10px rgba(255,255,255,0.1);
            box-sizing: border-box;
            margin-left: auto;
            margin-right: auto;
            position: relative;
            z-index: 1; /* 内容在header下方 */
        }
        .title-bar {
            font-size: 24px;
            font-weight: bold;
            margin-bottom: 15px;
        }
        .divider {
            height: 1px;
            background-color: #d5d5d5;
            margin-bottom: 20px;
        }
        .footer {
            background-color: #212121;
            padding: 15px;
            text-align: center;
            font-size: 12px;
            color: #aaa;
            border-top: 1px solid #212121;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            width: 100%;
            z-index: 90; /* 页脚在内容和header之间 */
        }

        /* 解压密码提示 */
        .password-notice {
            background: linear-gradient(135deg, rgba(255,245,245,0.9) 0%, rgba(255,236,236,0.9) 100%);
            color: #d32f2f;
            padding: 18px 25px;
            border-radius: 8px;
            margin: 25px 0;
            font-weight: 600;
            border-left: 5px solid #d32f2f;
            box-shadow: 0 4px 15px rgba(0,0,0,0.08);
            font-size: 16px;
        }
        .password-label {
            display: inline-block;
            background-color: #d32f2f;
            color: white;
            padding: 3px 8px;
            border-radius: 4px;
            margin-right: 8px;
            font-size: 14px;
        }
        .password-value {
            font-weight: bold;
            letter-spacing: 1px;
            color: #b71c1c;
            text-underline-offset: 3px;
        }

        .icon-win {
            width: 34px;
            height: 34px;
            vertical-align: middle;
            margin-right: 8px;
        }
        a {
            color: #0066cc;
            text-decoration: none;
            word-break: break-all;
            overflow-wrap: break-word;
        }
        a:hover {
            text-decoration: underline;
        }

        /* 高饱和度按钮样式 */
        .version-container {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
            margin-bottom: 15px;
        }
        .version-title {
            margin: 0;
            font-size: 24px;
            white-space: nowrap;
        }
        .install-video-btn {
            display: inline-flex;
            align-items: center;
            background: linear-gradient(135deg, #FF2D62 0%, #FF5E3A 100%);
            color: white !important;
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 15px;
            transition: all 0.4s cubic-bezier(0.215, 0.61, 0.355, 1);
            box-shadow: 0 6px 20px rgba(255, 45, 98, 0.4);
            border: none;
            cursor: pointer;
            text-decoration: none !important;
            overflow: hidden;
            position: relative;
        }
        .install-video-btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, #FF5E3A 0%, #FF2D62 100%);
            opacity: 0;
            transition: opacity 0.4s ease;
            z-index: 0;
            border-radius: 50px;
        }
        .install-video-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 30px rgba(255, 45, 98, 0.5);
        }
        .install-video-btn:hover::before {
            opacity: 1;
        }
        .install-video-btn:active {
            transform: translateY(1px);
            box-shadow: 0 4px 15px rgba(255, 45, 98, 0.4);
        }
        .play-icon-wrapper {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 24px;
            height: 24px;
            background-color: rgba(255, 255, 255, 0.2);
            border-radius: 50%;
            margin-right: 12px;
            transition: all 0.3s ease;
            z-index: 1;
        }
        .play-icon {
            width: 0;
            height: 0;
            border-style: solid;
            border-width: 7px 0 7px 12px;
            border-color: transparent transparent transparent white;
            margin-left: 3px;
        }
        .install-video-btn:hover .play-icon-wrapper {
            transform: scale(1.1);
            background-color: rgba(255, 255, 255, 0.3);
        }
        .btn-text {
            position: relative;
            display: inline-block;
            z-index: 1;
        }
        .btn-text::after {
            content: '';
            position: absolute;
            bottom: -3px;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: white;
            transform: scaleX(0);
            transform-origin: right;
            transition: transform 0.4s cubic-bezier(0.215, 0.61, 0.355, 1);
        }
        .install-video-btn:hover .btn-text::after {
            transform: scaleX(1);
            transform-origin: left;
        }

        /* 响应式设计调整 */
        @media (max-width: 768px) {
            .content {
                margin: 20px 15px;
                padding: 20px;
                min-height: calc(100vh - 200px); /* 调整最小高度 */
            }
            .version-container {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
            .password-notice {
                padding: 15px 20px;
                font-size: 15px;
            }
        }

        @media (max-width: 480px) {
            .content {
                margin: 15px 10px;
                padding: 15px;
                min-height: calc(100vh - 180px); /* 手机端调整 */
            }
            .version-title {
                font-size: 22px;
            }
        }