.elementor-2440 .elementor-element.elementor-element-35db83e4{--display:flex;--min-height:300px;--flex-direction:column;--container-widget-width:calc( ( 1 - var( --container-widget-flex-grow ) ) * 100% );--container-widget-height:initial;--container-widget-flex-grow:0;--container-widget-align-self:initial;--flex-wrap-mobile:wrap;--justify-content:center;--align-items:center;--overlay-opacity:0.4;--padding-top:0px;--padding-bottom:0px;--padding-left:0px;--padding-right:0px;}.elementor-2440 .elementor-element.elementor-element-35db83e4::before, .elementor-2440 .elementor-element.elementor-element-35db83e4 > .elementor-background-video-container::before, .elementor-2440 .elementor-element.elementor-element-35db83e4 > .e-con-inner > .elementor-background-video-container::before, .elementor-2440 .elementor-element.elementor-element-35db83e4 > .elementor-background-slideshow::before, .elementor-2440 .elementor-element.elementor-element-35db83e4 > .e-con-inner > .elementor-background-slideshow::before, .elementor-2440 .elementor-element.elementor-element-35db83e4 > .elementor-motion-effects-container > .elementor-motion-effects-layer::before{background-color:var( --e-global-color-astglobalcolor8 );--background-overlay:'';}.elementor-2440 .elementor-element.elementor-element-35db83e4:not(.elementor-motion-effects-element-type-background), .elementor-2440 .elementor-element.elementor-element-35db83e4 > .elementor-motion-effects-container > .elementor-motion-effects-layer{background-repeat:no-repeat;background-size:cover;}.elementor-2440 .elementor-element.elementor-element-748448cf{--display:flex;--justify-content:center;}.elementor-2440 .elementor-element.elementor-element-b68870e{--display:flex;}.elementor-widget-heading .elementor-heading-title{color:var( --e-global-color-primary );}.elementor-2440 .elementor-element.elementor-element-629fe675 .elementor-heading-title{font-size:40px;font-weight:600;color:var( --e-global-color-secondary );}.elementor-2440 .elementor-element.elementor-element-eec3c02{--display:flex;--flex-direction:column;--container-widget-width:100%;--container-widget-height:initial;--container-widget-flex-grow:0;--container-widget-align-self:initial;--flex-wrap-mobile:wrap;}.elementor-2440 .elementor-element.elementor-element-b112fbd{--display:flex;--flex-direction:column;--container-widget-width:100%;--container-widget-height:initial;--container-widget-flex-grow:0;--container-widget-align-self:initial;--flex-wrap-mobile:wrap;--margin-top:50px;--margin-bottom:0px;--margin-left:0px;--margin-right:0px;--padding-top:0px;--padding-bottom:0px;--padding-left:0px;--padding-right:0px;}.elementor-2440 .elementor-element.elementor-element-11349b1e{--display:flex;}@media(min-width:768px){.elementor-2440 .elementor-element.elementor-element-35db83e4{--content-width:100%;}.elementor-2440 .elementor-element.elementor-element-748448cf{--content-width:1920px;}.elementor-2440 .elementor-element.elementor-element-b68870e{--content-width:80%;}.elementor-2440 .elementor-element.elementor-element-b112fbd{--content-width:1920px;}.elementor-2440 .elementor-element.elementor-element-11349b1e{--content-width:100%;}}/* Start custom CSS for html, class: .elementor-element-30800d7 */:root {
            --primary-color: #0056b3; 
            --primary-light: #e6f0fa;
            --text-main: #333333;
            --bg-color: #f8fafd;
        }

        .timeline-wrapper {
            max-width: 1000px;
            margin: 0 auto;
            padding: 20px 0;
        }

        .timeline-title-main {
            text-align: center;
            font-size: 2.2rem;
            color: var(--primary-color);
            margin-bottom: 50px;
            font-weight: 700;
            letter-spacing: 1px;
        }

        /* 时间轴主线 */
        .timeline {
            position: relative;
            width: 100%;
        }

        .timeline::after {
            content: '';
            position: absolute;
            width: 4px;
            background: linear-gradient(to bottom, transparent, var(--primary-color), transparent);
            top: 0;
            bottom: 0;
            left: 50%;
            margin-left: -2px;
            border-radius: 4px;
            z-index: 0; /* 确保线在底层 */
        }

        /* 节点卡片容器 */
        .timeline-item {
            padding: 10px 40px;
            position: relative;
            background-color: inherit;
            width: 50%;
            box-sizing: border-box;
            opacity: 0; 
        }

        .timeline-item.left {
            left: 0;
            transform: translateX(-50px);
        }

        .timeline-item.right {
            left: 50%;
            transform: translateX(50px);
        }

        .timeline-item.show {
            opacity: 1;
            transform: translateX(0);
            transition: all 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275);
        }

        /* 中心圆点（已修复遮挡问题） */
        .timeline-item::after {
            content: '';
            position: absolute;
            width: 20px;
            height: 20px;
            right: -10px;
            background-color: #ffffff; /* 实心白底，遮挡后面的线 */
            border: 4px solid var(--primary-color);
            top: 32px;
            border-radius: 50%;
            z-index: 2; /* 层级高于中间的线 */
            box-shadow: 0 0 0 4px var(--primary-light);
            transition: all 0.3s ease;
        }

        .timeline-item.right::after {
            left: -10px;
        }

        /* 内容卡片本身 */
        .content {
            padding: 20px 25px; /* 因为去掉了描述文本，稍微减小了内边距使整体更紧凑 */
            background-color: white;
            position: relative;
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.04);
            border: 1px solid rgba(0,0,0,0.02);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .timeline-item:hover .content {
            transform: translateY(-5px);
            box-shadow: 0 15px 35px rgba(0, 86, 179, 0.1);
        }

        .timeline-item:hover::after {
            background-color: var(--primary-color);
            transform: scale(1.2);
        }

        /* 指向轴线的小三角箭头 */
        .content::before {
            content: " ";
            height: 0;
            position: absolute;
            top: 32px;
            width: 0;
            z-index: 1;
            border: medium solid white;
        }

        .left .content::before {
            right: -10px;
            border-width: 10px 0 10px 10px;
            border-color: transparent transparent transparent white;
        }

        .right .content::before {
            left: -10px;
            border-width: 10px 10px 10px 0;
            border-color: transparent white transparent transparent;
        }

        /* 内部排版 */
        .year-badge {
            display: inline-block;
            background-color: var(--primary-light);
            color: var(--primary-color);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 1.2rem;
            font-weight: bold;
            margin-bottom: 12px;
        }

        .content h3 {
            margin: 0; /* 只有标题，底部不需要留白了 */
            font-size: 1.15rem;
            color: #1a1a1a;
            line-height: 1.5;
            font-weight: 600;
        }

        /* 响应式设计 */
        @media screen and (max-width: 768px) {
            .timeline::after {
                left: 31px;
            }
            .timeline-item {
                width: 100%;
                padding-left: 70px;
                padding-right: 25px;
            }
            .timeline-item.left, .timeline-item.right {
                left: 0;
                transform: translateY(30px);
            }
            .timeline-item.left.show, .timeline-item.right.show {
                transform: translateY(0);
            }
            .timeline-item.left::after, .timeline-item.right::after {
                left: 21px;
            }
            .left .content::before, .right .content::before {
                left: -10px;
                border-width: 10px 10px 10px 0;
                border-color: transparent white transparent transparent;
            }
        }/* End custom CSS */