/* 大事记样式 */
.timeline-container {
    position: relative;
    overflow-x: hidden;
    max-width: 100%;
    margin: 0 auto;
    user-select: none;
}
.timeline-scroll {
    display: flex;
    align-items: center;
    overflow-x: auto;
    overflow-y: visible;
    scroll-behavior: smooth;
    scroll-padding: 6rem;
    -webkit-overflow-scrolling: touch;
    position: relative;
    z-index: 5;
 
}
.timeline-line {
    position: absolute;
    top: 50%;
    left: 0;
    border-top: 2px dashed #A5F1E9;
    transform: translateY(-50%);
    pointer-events: none;
    z-index: 1;
  
}
.timeline-item {
    position: relative;
    flex: 0 0 auto;
    text-align: center;
}
.timeline-dot {
    width: 0.7rem;
    height: 0.7rem;
    /* background: #2D8CF0; */
    background: linear-gradient(180deg, #A5F1E7, #2D8CF0);
    border-radius: 50%;
    margin: 0 auto;
    position: relative;
    z-index: 10;
    box-shadow: 0 2px 4px rgba(45, 140, 240, 0.5);
}
.timeline-card {
    position: absolute;
    border-radius: 6px;
    padding: 0.5rem;
    font-weight: 600;
    color: #212529;
    box-shadow: 0 2px 6px rgb(0 0 0 / 0.1);
    white-space: nowrap;
    font-size: 0.9rem;
    width: 14rem;
    text-align: left;
    background: linear-gradient(180deg, #EFF6FD, #FFFFFF);
}
.timeline-card.top {
    bottom: 2rem;
    left: -1rem;
    transform: translateX(0);
}
.timeline-card.bottom {
    top: 2rem;
    right: -2rem;
    transform: translateX(0);
}
.timeline-card.top::after {
    content: "";
    position: absolute;
    bottom: -0.5rem; 
    left: 1.5rem;    
    transform: translateX(-50%);
    border-style: solid;
    border-width: 0.5rem 0.5rem 0 0.5rem;
    border-color: white transparent transparent transparent;
    filter: drop-shadow(0 3px 2px rgba(0, 0, 0, 0.1))

}

.timeline-card.bottom::after {
    content: "";
    position: absolute;
    top: -0.5rem;     /* 三角形在 div 上方 */
    right: 1.5rem;
    transform: translateX(-50%);
    border-style: solid;
    border-width: 0 0.5rem 0.5rem 0.5rem;  /* 只有下边是白色，形成向上三角 */
    border-color: transparent transparent #EFF6FD transparent;
    filter: drop-shadow(0 -1px 3px rgba(0, 0, 0, 0.1)); /* 阴影向上偏移 */

}
.timeline-card__content__item{
    display: flex;
    align-items: flex-start;
    color: #091A23;
}
.timeline-card__content__item::before{
    content: "\2022";
    font-size: 24px;
    margin-right: 0.2rem;
}
.arrow-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: white;
    border: 1px solid #ccc;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 20;
}
.arrow-left {
    left: 0.5rem;
}
.arrow-right {
    right: 0.5rem;
}
.timeline-scroll::-webkit-scrollbar {
    display: none;
}
/* @media (max-width: 576px) {
  .timeline-card {
    font-size: 0.7rem;
    padding: 0.3rem;
  }
  .arrow-btn {
    width: 2rem;
    height: 2rem;
    font-size: 1.2rem;
  }
} */
.list-with-dots{
    list-style-type: disc; /* 圆点 */
    padding-left: 0rem;  /* 控制缩进，默认可选 */
}