.son-banner-box {
    width: 100%;
}

.son-banner-box-video {
    width: 100%;
    object-fit: cover;
    aspect-ratio: 16/5;
}
.son-banner-box .banner-desc1 {
    position: absolute;
    top: 45%;
    left: 35%;
    -webkit-transform: translate(-50%, -50%);
    -moz-transform: translate(-50%, -50%);
    -ms-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
}
.container {
    margin: 1.5rem auto;
    padding: 0 1rem;
}

.gird {
    display: grid;
    grid-row-gap: 1.5rem;
    grid-column-gap: 1.5rem;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    margin: 1.5rem 0 0 0;
}

.card {
    transition: transform 0.2s; /* 动画效果 */
    display: flex; /* 使用flexbox */
    flex-direction: column; /* 垂直布局 */
    height: 100%; /* 让卡片占满整个高度 */
    background: linear-gradient(316deg, #FFFFFF 0%, #FFFFFF 76%, #EFF3FF 100%);
    box-shadow: 2px 6px 16px 0px rgba(194, 209, 235, 0.42);
    border-radius: 20px;
    border: 2px solid #FFFFFF;
}

.card:hover {
    transform: scale(1.02); /* 悬停时的放大效果 */
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1); /* 悬停时的阴影效果 */
}

.card-title {
    font-size: 1.125rem; /* 卡片标题大小 */
    color: #343a40; /* 标题颜色 */
    margin-bottom: 15px; /* 标题下方间距 */
}

.card-body {
    padding: 1rem; /* 卡片内部边距 */
}

.card ul {
}

.card ul li {
    margin-bottom: 10px; /* 列表项下方间距 */
    font-size: 0.95rem; /* 列表项字体大小 */
}
.title{
    margin: 2rem 0 1rem 0;
    font-family: PingFang;
    font-weight: 600;
    font-size: 30px;
    color: #000000;
    line-height: 50px;
    letter-spacing: 1px;
    text-align: center
}
.card-strong{
    color: #444444;
}
.card-span{
    margin-top: 0.3rem;
    color: #999999;
}
.title1 {
    font-family: PingFang, sans-serif;
    font-weight: 500;
    font-size: 1.5rem;
    color: #333333;
    letter-spacing: 1px;
    text-align: left;
    margin: 0.5rem 0;
}

@media (max-width: 600px) {
    .title1 {
        font-size: 1rem;
    }
}

@media (min-width: 601px) and (max-width: 1200px) {
    .title1 {
        font-size: 1.5em;
    }
}

@media (min-width: 1201px) {
    .title1 {
        font-size: 2rem;
    }
}