body {
    margin: 0;
    font-family: Arial, sans-serif;
    background-color: #000000;
    color: white;
    min-height: 100vh;
    position: relative;
    padding-bottom: 80px;
}
.header {
    background-color: #212121;
    padding: 5px;
    text-align: center;
    border-bottom: 1px solid #212121;
    position: relative;
    z-index: 100;
}
.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);
    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;
}
.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;
}

.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;
}

.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;
}

/* 下载链接样式 - 已修改解决重叠问题 */
.download-link {
    cursor: pointer;
    position: relative;
    padding: 12px 40px 12px 15px; /* 右侧增加内边距 */
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #f8f9fa;
    border-radius: 6px;
    margin-bottom: 10px;
    transition: all 0.3s ease;
    border: 1px solid #e9ecef;
    font-size: 13px;
}
.download-link:hover {
    background-color: #e9ecef;
}
.download-link::after {
    content: '▼';
    font-size: 12px;
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    transition: transform 0.3s ease;
}
.download-link.active::after {
    transform: translateY(-50%) rotate(180deg);
}
.download-panel {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease;
    background-color: #f8f9fa;
    border-radius: 0 0 6px 6px;
    margin-top: -10px;
    margin-bottom: 20px;
}
.download-panel.active {
    max-height: 300px;
}
.download-option {
    display: flex;
    align-items: center;
    padding: 15px 20px;
    border-bottom: 1px solid #e9ecef;
    transition: background-color 0.2s;
}
.download-option:last-child {
    border-bottom: none;
}
.download-option:hover {
    background-color: #e9ecef;
}
.download-text {
    flex-grow: 1;
}
.download-name {
    font-weight: 600;
    margin-bottom: 4px;
    color: #212529;
}
.download-desc {
    font-size: 13px;
    color: #6c757d;
}

/* 发布时间样式 - 已修改解决重叠问题 */
.release-date {
    color: #6c757d;
    font-size: 13px;
    white-space: nowrap;
    margin-left: 15px;
    flex-shrink: 0; /* 防止被挤压 */
}

/* 关键修改：彻底解决下划线问题 */
.download-option {
    display: block; /* 改为块级元素 */
    text-decoration: none !important; /* 确保整个选项没有下划线 */
}

.download-option:hover {
    text-decoration: none !important; /* 确保悬停时也没有下划线 */
}

.download-name {
    pointer-events: none; /* 防止鼠标事件 */
}

.download-desc {
    display: inline-block; /* 使描述可以单独应用样式 */
}

.download-option:hover .download-desc {
    text-decoration: underline; /* 只有描述部分有下划线 */
}

/* 新增：校验信息按钮样式 */
.checksum-btn {
    background: linear-gradient(135deg, #4a6bdf 0%, #38a1db 100%);
    color: white;
    border: none;
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 12px;
    cursor: pointer;
    margin-left: 15px;
    transition: all 0.3s ease;
    white-space: nowrap;
}
.checksum-btn:hover {
    background: linear-gradient(135deg, #3a5bc9 0%, #2a8fc7 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(58, 91, 201, 0.3);
}

/* 新增：校验信息面板样式 */
.checksum-panel {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease;
    background-color: #f1f8ff;
    border-radius: 0 0 6px 6px;
    margin-top: -10px;
    margin-bottom: 20px;
    border-left: 4px solid #4a6bdf;
}
.checksum-panel.active {
    max-height: 200px;
}
.checksum-content {
    padding: 15px 20px;
    font-family: monospace;
    font-size: 13px;
    color: 2c3e50;
    line-height: 1.6;
}
.checksum-item {
    margin-bottom: 8px;
    display: flex;
    align-items: flex-start;
}
.checksum-label {
    font-weight: 600;
    min-width: 70px;
    color: #4a6bdf;
}
.checksum-value {
    word-break: break-all;
    flex: 1;
}

/* 响应式设计调整 */
@media (max-width: 768px) {
    .content {
        margin: 20px 15px;
        padding: 20px;
        min-height: calc(100vh - 200px);
    }
    .version-container {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
    .password-notice {
        padding: 15px 20px;
        font-size: 15px;
    }
    .download-option {
        padding: 12px 15px;
    }
    .download-link {
        flex-direction: column;
        align-items: flex-start;
        padding-right: 40px; /* 保持右侧空间 */
    }
    .release-date {
        margin-left: 0;
        margin-top: 5px;
        align-self: flex-end;
    }
    .checksum-btn {
        margin-left: 0;
        margin-top: 10px;
        align-self: flex-start;
    }
}

@media (max-width: 480px) {
    .content {
        margin: 15px 10px;
        padding: 15px;
        min-height: calc(100vh - 180px);
    }
    .version-title {
        font-size: 22px;
    }
    .release-date {
        font-size: 12px;
    }
    .download-link {
        padding-right: 35px; /* 小屏幕上调整 */
    }
    .checksum-btn {
        font-size: 11px;
        padding: 5px 10px;
    }
}