initial commit

css/style.css

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+/* 全局样式重置 */
+* {
+    margin: 0;
+    padding: 0;
+    box-sizing: border-box;
+}
+
+body {
+    font-family: 'Roboto', Arial, sans-serif;
+    background-color: #f1f1f1;
+    color: #333;
+}
+
+/* 主容器 */
+.youtube-container {
+    display: flex;
+    flex-direction: column;
+    height: 100vh;
+    overflow: hidden;
+}
+
+/* 顶栏样式 */
+.header {
+    display: flex;
+    align-items: center;
+    justify-content: space-between;
+    padding: 0 16px;
+    height: 56px;
+    background-color: white;
+    border-bottom: 1px solid #e0e0e0;
+    position: sticky;
+    top: 0;
+    z-index: 100;
+}
+
+.header-left {
+    display: flex;
+    align-items: center;
+}
+
+.menu-btn {
+    background: none;
+    border: none;
+    font-size: 24px;
+    padding: 8px;
+    margin-right: 16px;
+    cursor: pointer;
+    color: #606060;
+}
+
+.youtube-logo img {
+    height: 20px;
+}
+
+.header-center {
+    display: flex;
+    align-items: center;
+    flex: 1;
+    max-width: 640px;
+    margin: 0 40px;
+}
+
+.search-container {
+    display: flex;
+    align-items: center;
+    width: 100%;
+}
+
+.search-input {
+    flex: 1;
+    height: 40px;
+    padding: 0 16px;
+    border: 1px solid #d3d3d3;
+    border-radius: 20px 0 0 20px;
+    font-size: 16px;
+    outline: none;
+    transition: all 0.3s ease;
+}
+
+.search-input:focus {
+    border-color: #1a73e8;
+    box-shadow: 0 0 0 2px rgba(26, 115, 232, 0.2);
+}
+
+.search-btn {
+    height: 40px;
+    padding: 0 20px;
+    background-color: #f8f8f8;
+    border: 1px solid #d3d3d3;
+    border-left: none;
+    border-radius: 0 20px 20px 0;
+    cursor: pointer;
+    color: #606060;
+}
+
+.search-btn:hover {
+    background-color: #f0f0f0;
+}
+
+.voice-search-btn {
+    margin-left: 8px;
+    height: 40px;
+    width: 40px;
+    border-radius: 50%;
+    background-color: #f8f8f8;
+    border: none;
+    cursor: pointer;
+    color: #606060;
+}
+
+.voice-search-btn:hover {
+    background-color: #f0f0f0;
+}
+
+.header-right {
+    display: flex;
+    align-items: center;
+}
+
+.create-btn {
+    display: flex;
+    align-items: center;
+    background: none;
+    border: none;
+    padding: 8px 16px;
+    margin-right: 16px;
+    cursor: pointer;
+    color: #606060;
+    font-size: 14px;
+}
+
+.create-btn i {
+    margin-right: 4px;
+    font-size: 20px;
+}
+
+.notification-btn {
+    background: none;
+    border: none;
+    padding: 8px;
+    margin-right: 16px;
+    cursor: pointer;
+    color: #606060;
+    font-size: 20px;
+}
+
+.profile-btn {
+    background: none;
+    border: none;
+    padding: 8px;
+    cursor: pointer;
+    color: #606060;
+    font-size: 20px;
+}
+
+/* 主内容区 */
+.main-content {
+    display: flex;
+    flex: 1;
+    overflow: hidden;
+}
+
+/* 侧边栏样式 */
+.sidebar {
+    width: 240px;
+    background-color: white;
+    border-right: 1px solid #e0e0e0;
+    overflow-y: auto;
+    flex-shrink: 0;
+}
+
+.sidebar-nav {
+    padding: 12px 0;
+}
+
+.nav-section {
+    margin-bottom: 24px;
+}
+
+.nav-section-title {
+    display: flex;
+    align-items: center;
+    justify-content: space-between;
+    padding: 0 24px 8px;
+    font-size: 14px;
+    font-weight: 500;
+    color: #606060;
+    text-transform: uppercase;
+}
+
+.nav-btn {
+    display: flex;
+    align-items: center;
+    width: 100%;
+    padding: 8px 24px;
+    background: none;
+    border: none;
+    text-align: left;
+    cursor: pointer;
+    font-size: 14px;
+    color: #333;
+    transition: background-color 0.2s ease;
+}
+
+.nav-btn:hover {
+    background-color: rgba(0, 0, 0, 0.05);
+}
+
+.nav-btn.active {
+    background-color: rgba(0, 0, 0, 0.1);
+    font-weight: 500;
+}
+
+.nav-btn i {
+    margin-right: 16px;
+    font-size: 20px;
+    width: 24px;
+}
+
+.subscriptions-list {
+    padding: 0 12px;
+}
+
+.subscription-item {
+    display: flex;
+    align-items: center;
+    padding: 8px 12px;
+    cursor: pointer;
+    border-radius: 8px;
+    transition: background-color 0.2s ease;
+}
+
+.subscription-item:hover {
+    background-color: rgba(0, 0, 0, 0.05);
+}
+
+.subscription-avatar {
+    width: 24px;
+    height: 24px;
+    border-radius: 50%;
+    margin-right: 12px;
+    background-color: #e0e0e0;
+    overflow: hidden;
+}
+
+.subscription-avatar img {
+    width: 100%;
+    height: 100%;
+    object-fit: cover;
+}
+
+.subscription-name {
+    font-size: 14px;
+    color: #333;
+}
+
+.sidebar-footer {
+    padding: 16px 24px;
+    font-size: 12px;
+    color: #909090;
+    border-top: 1px solid #e0e0e0;
+}
+
+/* 视频内容区 */
+.video-content {
+    flex: 1;
+    overflow-y: auto;
+    padding: 24px;
+    background-color: #f9f9f9;
+}
+
+/* 板块按钮 */
+.category-buttons {
+    display: flex;
+    gap: 12px;
+    margin-bottom: 24px;
+    flex-wrap: wrap;
+}
+
+.category-btn {
+    padding: 8px 16px;
+    background-color: white;
+    border: 1px solid #e0e0e0;
+    border-radius: 20px;
+    cursor: pointer;
+    font-size: 14px;
+    font-weight: 500;
+    transition: all 0.2s ease;
+}
+
+.category-btn:hover {
+    background-color: #f1f1f1;
+}
+
+.category-btn.active {
+    background-color: #333;
+    color: white;
+    border-color: #333;
+}
+
+/* 视频网格 */
+.video-grid {
+    display: grid;
+    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
+    gap: 24px;
+    margin-bottom: 48px;
+}
+
+/* 视频卡片 */
+.video-card {
+    background-color: white;
+    border-radius: 12px;
+    transition: transform 0.2s ease, box-shadow 0.2s ease;
+    cursor: pointer;
+    position: static;
+}
+
+.video-thumbnail {
+    overflow: hidden;
+    border-radius: 12px 12px 0 0;
+}
+
+.video-menu {
+    position: relative;
+    z-index: 100;
+}
+
+.video-card:hover {
+    transform: translateY(-4px);
+    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
+}
+
+.video-thumbnail {
+    position: relative;
+    width: 100%;
+    padding-top: 56.25%; /* 16:9 比例 */
+    background-color: #f1f1f1;
+}
+
+.video-thumbnail img {
+    position: absolute;
+    top: 0;
+    left: 0;
+    width: 100%;
+    height: 100%;
+    object-fit: cover;
+}
+
+.video-duration {
+    position: absolute;
+    bottom: 8px;
+    right: 8px;
+    background-color: rgba(0, 0, 0, 0.8);
+    color: white;
+    font-size: 12px;
+    padding: 2px 6px;
+    border-radius: 4px;
+}
+
+.video-info {
+    display: flex;
+    padding: 12px;
+}
+
+.video-channel-avatar {
+    width: 36px;
+    height: 36px;
+    border-radius: 50%;
+    margin-right: 12px;
+    background-color: #e0e0e0;
+}
+
+.video-details {
+    flex: 1;
+    min-width: 0;
+}
+
+.video-title {
+    font-size: 14px;
+    font-weight: 500;
+    margin-bottom: 8px;
+    white-space: nowrap;
+    overflow: hidden;
+    text-overflow: ellipsis;
+}
+
+.video-meta {
+    font-size: 12px;
+    color: #606060;
+    line-height: 1.4;
+}
+
+.video-channel {
+    white-space: nowrap;
+    overflow: hidden;
+    text-overflow: ellipsis;
+    margin-bottom: 4px;
+}
+
+.video-stats {
+    display: flex;
+    gap: 8px;
+}
+
+.video-menu {
+    position: relative;
+}
+
+.menu-toggle {
+    background: none;
+    border: none;
+    padding: 8px;
+    cursor: pointer;
+    color: #606060;
+    font-size: 16px;
+    opacity: 0;
+    transition: opacity 0.2s ease;
+}
+
+.video-card:hover .menu-toggle {
+    opacity: 1;
+}
+
+.menu-dropdown {
+    position: absolute;
+    top: 100%;
+    right: 0;
+    background-color: white;
+    border: 1px solid #e0e0e0;
+    border-radius: 8px;
+    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
+    padding: 8px 0;
+    min-width: 200px;
+    z-index: 1000;
+    display: none;
+}
+
+.menu-dropdown.show {
+    display: block;
+}
+
+.menu-item {
+    display: flex;
+    align-items: center;
+    padding: 8px 16px;
+    cursor: pointer;
+    font-size: 14px;
+    transition: background-color 0.2s ease;
+}
+
+.menu-item:hover {
+    background-color: #f1f1f1;
+}
+
+.menu-item i {
+    margin-right: 12px;
+    font-size: 16px;
+    color: #606060;
+}
+
+/* Shorts 部分 */
+.shorts-section {
+    margin-top: 48px;
+}
+
+.shorts-section h3 {
+    font-size: 20px;
+    font-weight: 500;
+    margin-bottom: 16px;
+}
+
+.shorts-grid {
+    display: grid;
+    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
+    gap: 16px;
+}
+
+/* Shorts 卡片 */
+.shorts-card {
+    position: relative;
+    width: 100%;
+    padding-top: 177.78%; /* 9:16 比例 */
+    background-color: #f1f1f1;
+    border-radius: 12px;
+    overflow: hidden;
+    cursor: pointer;
+    transition: transform 0.2s ease, box-shadow 0.2s ease;
+}
+
+.shorts-card:hover {
+    transform: translateY(-4px);
+    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
+}
+
+.shorts-thumbnail {
+    position: absolute;
+    top: 0;
+    left: 0;
+    width: 100%;
+    height: 100%;
+}
+
+.shorts-thumbnail img {
+    width: 100%;
+    height: 100%;
+    object-fit: cover;
+}
+
+.shorts-info {
+    position: absolute;
+    bottom: 0;
+    left: 0;
+    right: 0;
+    padding: 12px;
+    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
+    color: white;
+}
+
+.shorts-title {
+    font-size: 14px;
+    font-weight: 500;
+    margin-bottom: 8px;
+    white-space: nowrap;
+    overflow: hidden;
+    text-overflow: ellipsis;
+}
+
+.shorts-stats {
+    font-size: 12px;
+    display: flex;
+    align-items: center;
+    gap: 8px;
+}
+
+.shorts-stats i {
+    margin-right: 4px;
+}
+
+/* 搜索结果弹窗 */
+.search-results {
+    position: fixed;
+    top: 56px;
+    left: 0;
+    right: 0;
+    background-color: white;
+    border-bottom: 1px solid #e0e0e0;
+    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
+    z-index: 99;
+    max-height: 80vh;
+    overflow-y: auto;
+}
+
+.search-results-content {
+    padding: 16px;
+}
+
+.search-result-item {
+    display: flex;
+    align-items: flex-start;
+    padding: 12px;
+    cursor: pointer;
+    border-radius: 8px;
+    transition: background-color 0.2s ease;
+    margin-bottom: 8px;
+}
+
+.search-result-item:hover {
+    background-color: #f1f1f1;
+}
+
+.search-result-thumbnail {
+    width: 120px;
+    height: 68px;
+    border-radius: 8px;
+    margin-right: 16px;
+    background-color: #f1f1f1;
+    flex-shrink: 0;
+}
+
+.search-result-thumbnail img {
+    width: 100%;
+    height: 100%;
+    object-fit: cover;
+    border-radius: 8px;
+}
+
+.search-result-details {
+    flex: 1;
+    min-width: 0;
+}
+
+.search-result-title {
+    font-size: 14px;
+    font-weight: 500;
+    margin-bottom: 4px;
+    line-height: 1.3;
+    display: -webkit-box;
+    -webkit-line-clamp: 2;
+    -webkit-box-orient: vertical;
+    overflow: hidden;
+    text-overflow: ellipsis;
+    white-space: normal;
+}
+
+.search-result-channel {
+    font-size: 12px;
+    color: #606060;
+    margin-bottom: 2px;
+}
+
+.search-result-stats {
+    font-size: 12px;
+    color: #606060;
+}
+
+.highlight {
+    background-color: #fff3cd;
+    font-weight: 500;
+}
+
+/* 响应式设计 */
+@media (max-width: 1200px) {
+    .video-grid {
+        grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
+        gap: 20px;
+    }
+}
+
+@media (max-width: 992px) {
+    .sidebar {
+        width: 200px;
+    }
+    
+    .video-grid {
+        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
+        gap: 16px;
+    }
+}
+
+@media (max-width: 768px) {
+    .sidebar {
+        display: none;
+    }
+    
+    .header-center {
+        margin: 0 16px;
+    }
+    
+    .create-btn span {
+        display: none;
+    }
+    
+    .video-content {
+        padding: 16px;
+    }
+    
+    .video-grid {
+        grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
+        gap: 12px;
+    }
+    
+    .shorts-grid {
+        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
+        gap: 12px;
+    }
+}
+
+@media (max-width: 576px) {
+    .header-center {
+        display: none;
+    }
+    
+    .video-grid {
+        grid-template-columns: 1fr;
+    }
+    
+    .shorts-grid {
+        grid-template-columns: repeat(4, 1fr);
+    }
+}