432 lines
8.6 KiB
CSS
432 lines
8.6 KiB
CSS
/* ============================================
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智慧时间轴组件 - 横向展开式
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Smart Timeline Component - Horizontal Expansion
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============================================ */
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@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;500;700&family=Oswald:wght@400;700&display=swap');
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:root {
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--tl-bg-color: #f8fafc;
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--tl-line-color: rgba(20, 129, 255, 0.3);
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--tl-active-color: #1481ff;
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--tl-text-color: #2a3e5d;
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--tl-year-color: #102541;
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--tl-transition-speed: 0.5s;
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}
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/* Section 容器 */
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.timeline-section {
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width: 100%;
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background-image:
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radial-gradient(circle at 10% 20%, rgba(20, 129, 255, 0.08) 0%, transparent 20%),
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radial-gradient(circle at 90% 80%, rgba(20, 129, 255, 0.05) 0%, transparent 20%);
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font-family: 'Noto Sans SC', sans-serif;
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overflow: hidden;
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display: flex;
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flex-direction: column;
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justify-content: center;
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align-items: center;
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padding: 60px 0;
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position: relative;
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}
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/* 标题样式 */
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.timeline-title {
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color: var(--tl-year-color);
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letter-spacing: 4px;
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font-weight: 300;
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text-transform: uppercase;
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font-size: 24px;
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opacity: 0.9;
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margin-bottom: 40px;
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text-align: center;
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}
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/* 主容器 */
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.timeline-container {
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display: flex;
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width: 100%;
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height: 20vh;
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min-height: 500px;
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align-items: center;
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position: relative;
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}
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/* 主轴线 */
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.timeline-line {
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position: absolute;
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top: 66.67%;
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left: 0;
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width: 100%;
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height: 1px;
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background: linear-gradient(90deg,
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transparent 0%,
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var(--tl-line-color) 5%,
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var(--tl-line-color) 95%,
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transparent 100%);
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z-index: 0;
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pointer-events: none;
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}
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/* 时间节点 */
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.timeline-item {
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position: relative;
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height: 100%;
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flex: 1;
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transition: flex var(--tl-transition-speed) cubic-bezier(0.25, 0.1, 0.25, 1);
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border-right: 1px solid rgba(20, 129, 255, 0.1);
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cursor: pointer;
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overflow: hidden;
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display: flex;
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flex-direction: column;
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justify-content: center;
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z-index: 1;
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}
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.timeline-item:last-child {
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border-right: none;
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}
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.timeline-item:hover {
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flex: 10;
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background: linear-gradient(90deg, rgba(20, 129, 255, 0.08) 0%, transparent 100%);
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}
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.timeline-container:hover .timeline-item:not(:hover) {
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opacity: 0.4;
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}
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/* 节点圆点 */
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.dot {
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width: 8px;
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height: 8px;
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background-color: var(--tl-active-color);
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border-radius: 50%;
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position: absolute;
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top: 66.67%;
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left: 50%;
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transform: translate(-50%, -50%);
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box-shadow: 0 0 10px var(--tl-active-color);
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transition: all var(--tl-transition-speed);
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z-index: 2;
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}
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.timeline-item:hover .dot {
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background-color: var(--tl-active-color);
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transform: translate(-50%, -50%) scale(1.5);
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box-shadow: 0 0 20px rgba(20, 129, 255, 0.6);
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}
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/* 竖向年份标签 */
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.year-label {
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position: absolute;
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top: calc(66.67% + 15px);
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left: 50%;
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transform-origin: 0 0;
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transform: rotate(90deg);
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font-family: 'Oswald', sans-serif;
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font-size: 14px;
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color: var(--tl-year-color);
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white-space: nowrap;
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transition: all 0.3s;
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letter-spacing: 1px;
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opacity: 0.8;
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display: flex;
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align-items: center;
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gap: 12px;
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pointer-events: none;
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}
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/* 竖向文字中的简短描述 */
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.short-desc {
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font-family: 'Noto Sans SC', sans-serif;
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font-size: 12px;
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opacity: 0.6;
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font-weight: 300;
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letter-spacing: 1px;
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}
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/* Hover 状态下：标签变大并移到底部背景 */
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.timeline-item:hover .year-label {
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top: auto;
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bottom: -10px;
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left: 20px;
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transform: rotate(0deg);
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font-size: 4rem;
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font-weight: 700;
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opacity: 0.08;
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color: var(--tl-active-color);
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pointer-events: none;
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}
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/* Hover时隐藏简述 */
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.timeline-item:hover .short-desc {
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display: none;
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}
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/* 内容区域 - 固定在时间轴线上方 */
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.content {
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opacity: 0;
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transform: translateY(20px);
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transition: all 0.4s ease 0.1s;
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padding: 0 40px;
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color: var(--tl-text-color);
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position: absolute;
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bottom: 36%;
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left: 0;
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width: 100%;
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text-align: left;
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pointer-events: none;
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display: flex;
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flex-direction: column;
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justify-content: flex-end;
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}
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.timeline-item:hover .content {
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opacity: 1;
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transform: translateY(0);
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}
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.content-date {
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display: block;
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color: var(--tl-active-color);
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font-family: 'Oswald', sans-serif;
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font-size: 2rem;
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margin-bottom: 15px;
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font-weight: bold;
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text-shadow: 0 0 20px rgba(20, 129, 255, 0.2);
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}
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.content-text {
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font-size: 1.1rem;
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line-height: 1.8;
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border-left: 3px solid var(--tl-active-color);
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padding-left: 20px;
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max-width: 650px;
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background: linear-gradient(90deg, rgba(20, 129, 255, 0.08) 0%, transparent 100%);
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padding-top: 10px;
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padding-bottom: 10px;
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border-radius: 0 4px 4px 0;
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}
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.content-text p {
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margin: 0 0 8px 0;
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}
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.content-text p:last-child {
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margin-bottom: 0;
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}
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/* 重要节点高亮 */
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.timeline-item.highlight .dot {
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width: 10px;
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height: 10px;
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box-shadow: 0 0 15px var(--tl-active-color), 0 0 30px var(--tl-active-color);
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}
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.timeline-item.highlight .year-label {
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color: var(--tl-active-color);
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opacity: 1;
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}
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/* ============================================
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自动轮播展开效果（与hover效果一致）
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============================================ */
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.timeline-item.auto-expanded {
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flex: 10;
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background: linear-gradient(90deg, rgba(20, 129, 255, 0.08) 0%, transparent 100%);
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}
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.timeline-container:has(.auto-expanded) .timeline-item:not(.auto-expanded) {
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opacity: 0.4;
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}
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.timeline-item.auto-expanded .dot {
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background-color: var(--tl-active-color);
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transform: translate(-50%, -50%) scale(1.5);
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box-shadow: 0 0 20px rgba(20, 129, 255, 0.6);
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}
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.timeline-item.auto-expanded .year-label {
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top: auto;
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bottom: -10px;
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left: 20px;
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transform: rotate(0deg);
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font-size: 4rem;
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font-weight: 700;
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opacity: 0.08;
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color: var(--tl-active-color);
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pointer-events: none;
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}
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.timeline-item.auto-expanded .short-desc {
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display: none;
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}
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.timeline-item.auto-expanded .content {
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opacity: 1;
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transform: translateY(0);
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}
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/* ============================================
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响应式设计
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============================================ */
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@media (max-width: 1200px) {
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.timeline-container {
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width: 100%;
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height: 20vh;
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min-height: 500px;
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}
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.year-label {
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font-size: 12px;
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top: calc(66.67% + 15px);
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}
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.short-desc {
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font-size: 10px;
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}
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.content-text {
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font-size: 1rem;
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max-width: 500px;
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}
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.content-date {
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font-size: 1.6rem;
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}
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}
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@media (max-width: 991px) {
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.timeline-section {
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padding: 40px 0;
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min-height: auto;
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height: auto;
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}
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.timeline-container {
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width: 100%;
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height: 20vh;
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min-height: 500px;
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overflow-x: auto;
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overflow-y: visible;
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-webkit-overflow-scrolling: touch;
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}
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.timeline-item {
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min-width: 80px;
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flex: none;
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}
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.timeline-item:hover {
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flex: none;
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min-width: 350px;
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}
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.content {
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padding: 0 20px;
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}
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.content-text {
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font-size: 0.9rem;
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max-width: 300px;
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}
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}
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@media (max-width: 768px) {
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.timeline-title {
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font-size: 18px;
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letter-spacing: 2px;
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margin-bottom: 30px;
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}
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.timeline-container {
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height: 70vh;
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}
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.timeline-item {
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min-width: 60px;
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}
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.timeline-item:hover {
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min-width: 280px;
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}
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.year-label {
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font-size: 11px;
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}
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.short-desc {
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font-size: 9px;
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display: none;
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}
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.content {
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padding: 0 15px;
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}
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.content-date {
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font-size: 1.4rem;
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margin-bottom: 10px;
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}
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.content-text {
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font-size: 0.85rem;
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padding-left: 15px;
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max-width: 250px;
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}
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.dot {
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width: 6px;
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height: 6px;
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}
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}
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@media (max-width: 576px) {
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.timeline-section {
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padding: 30px 0;
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}
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.timeline-title {
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font-size: 16px;
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letter-spacing: 1px;
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}
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.timeline-container {
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height: 60vh;
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}
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.timeline-item {
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min-width: 50px;
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}
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.timeline-item:hover {
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min-width: 220px;
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}
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.year-label {
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font-size: 10px;
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top: calc(66.67% + 12px);
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}
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.content-date {
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font-size: 1.2rem;
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}
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.content-text {
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font-size: 0.8rem;
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line-height: 1.6;
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}
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.timeline-item:hover .year-label {
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font-size: 2.5rem;
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bottom: -30px;
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left: 10px;
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}
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}
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