80 lines
2.1 KiB
CSS
80 lines
2.1 KiB
CSS
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/* 头部样式 */
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header {
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position: fixed;
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top: 0;
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left: 0;
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width: 100%;
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background-color: #ffffff;
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color: #fff;
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padding: 10px;
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display: flex;
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justify-content: space-between;
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align-items: center;
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z-index: 3000;
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transition: all 1s ease; /* 为头部的尺寸变化和样式变化添加过渡效果 */
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}
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/* 按钮的基础样式 */
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header .toggle-menu {
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display: inline-block;
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font-size: 24px;
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background: none;
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border: none;
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color: rgb(235, 10, 10);
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cursor: pointer;
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margin-right: 20px; /* 设置右边距 */
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transition: transform 0.3s ease-in-out; /* 添加平滑过渡效果 */
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}
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/* 悬停效果，按钮背景颜色变化 */
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header .toggle-menu:hover {
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background-color: rgba(235, 10, 10, 0.1); /* 增加轻微的背景色变化 */
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}
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/* 头部全屏按钮样式（仅大屏幕显示） */
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#fullscreen-button {
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position: absolute;
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right: 16px;
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top: 0px;
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background: none;
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border: none;
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cursor: pointer;
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font-size: 32px;
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display: flex;
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align-items: center;
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transition: top 0.3s ease,transform 0.3s ease-in-out, padding 0.3s ease-in-out; /* 平滑放大动画 */
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transform-origin: center center; /* 确保放大时的中心不变 */
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}
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#fullscreen-button:hover {
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transform: scale(1.20); /* 悬停时上下左右均匀放大 5% */
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}
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#search-input {
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height: 20px;
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width: 500px;
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display: inline-block;
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border: 1px solid #ccc;
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border-radius: 20px;
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padding: 5px 15px;
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transition: width 0.3s ease, padding 0.3s ease, top 0.3s ease; /* 加入 top 过渡效果 */
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outline: none;
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background-color: #fff;
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text-align: center;
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margin-bottom: 20px;
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position: fixed; /* 固定定位 */
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top: 10px; /* 初始位置距离顶部20px */
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left: 50%;
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transform: translateX(-50%); /* 居中显示 */
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z-index: 1000; /* 确保在顶部 */
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}
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/* 鼠标悬停时搜索框展开 */
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#search-input:hover,
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#search-input:focus {
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width: 600px; /* 展开宽度 */
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padding: 5px 20px; /* 调整内边距 */
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box-shadow: 0 0 5px rgba(0, 0, 0, 0.2); /* 添加阴影效果 */
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}
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