:root {
    --main-color: #000; /* 默认颜色 */
    --font-size: 14px; /* 默认字号 */
}
.header_top {
    position: absolute;
    top: 5%;
    width: 100%;
    z-index: 100;
}
.header_top_main {
    padding: 5px 0;
    width: 77%;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.header_top img {
    width: 11%;
}
.top_content_case {
    height: 100%;
}
.carousel_case_top {
    height: 100% !important;
    /* background: linear-gradient(0deg,#fff 54.17%,#ebf3ff); */
}
.top_bg {
    height: 100%;
}
.carousel_case_top .top_item {
    height: 100%;
    background: linear-gradient(0deg,#fff 54.17%,#ebf3ff);
}
.carousel_case_top .carousel_item .header_item{
    position: relative;
    height: 100%;
}
.header_item_1{
    position: relative;
    height: 100%;
    background-image: url(/images/content/background_one.jpg);
    background-size: 100% 100%;
    background-repeat: no-repeat;
}
.header_item_2{
    position: relative;
    height: 100%;
    background-image: url(/images/content/background_two.png);
    background-size: 100% 100%;
    background-repeat: no-repeat;
}
.header_item_3{
    position: relative;
    height: 100%;
    background-image: url(/images/content/background_three.jpg);
    background-size: 100% 100%;
    background-repeat: no-repeat;
}
.header_item .top_item_left {
    width: 40%;
    position: absolute;
    top: 28%;
    left: 12%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
}
.top_item_left h2 {
    color: #2b2c2f;
    font-weight: 700;
    font-size: 45px;

}
.top_item_left p {
    font-size: 44px;
    line-height: 52px;
    color: #2b2c2f;
    font-weight: 600;
    margin: 25px 0 0 0;
}
.top_item_left .item_left_ts {
    margin-top: 0px;
    display: flex;
    align-items: center;
}
.top_item_left .item_left_ts img{
    width: 5%;
    margin-right: 15px;
}
.top_item_left span {
    color: #0064ff;
    font-size: 25px;
    line-height: 35px;
    margin-right: 40px;
    font-weight: 400;
}
.top_item_left a {
    color: #545558;
    font-size: 20px;
    line-height: 38px;
    margin: 30px 0;
}
.top_item_left .item_left_btn {
    margin-top: 20px;
    width: 30%;
    justify-content: space-between;
    display: flex;
}
.item_left_btn :nth-child(2) {
    border: 1px solid #0064ff;
    color: #0064ff;
}
.header_item .carousel_item_right {
    width: 50%;
    position: absolute;
    right: 5%;
    top: 0%;
    height: 100%
}
.carousel_item_right img {
    animation: slide 3s infinite alternate linear;
}
@keyframes slide {
    0% {
      transform: translateX(0);
    }
    100% {
      transform: translateX(5%); /* 根据图片总宽度调整 */
    }
}
.carousel_case_top .layui-carousel-ind {
    display: none;
}
.carousel_case_top .layui-carousel-arrow{
    display: none;   
}