.main{
    max-width: 1200px;
    margin: 0 auto;
    margin-bottom: 110px;
    position: relative;
    z-index: 3;
}
/* 默认隐藏：移出可视区域 + 透明 */
.swiper-button-prev,
.swiper-button-next {
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94); /* 平滑缓动曲线 */
}

/* 前一个按钮默认向左移动 40px */
.swiper-button-prev {
  transform: translateX(-40px);
}

/* 下一个按钮默认向右移动 40px */
.swiper-button-next {
  transform: translateX(40px);
}

/* 鼠标悬停时：归位并显示 */
#mySwiper:hover .swiper-button-prev,
#mySwiper:hover .swiper-button-next {
  opacity: 1;
  visibility: visible;
  transform: translateX(0);
  background-color: rgba(0, 0, 0, 0.1);  /* 变深色（深灰半透明） */
}

/* 3. 鼠标移入按钮本身 → 颜色变深 */
.swiper-button-prev:hover,
.swiper-button-next:hover {
  background-color: rgba(0, 0, 0, 0.5)  !important;  /* 变深色（深灰半透明） */
  /* 或者用纯色：background-color: #333; */
}

/* 4. 可选：让按钮里的箭头图标也跟随变色（提高对比度） */
.swiper-button-prev:hover::after,
.swiper-button-next:hover::after {
  color: white; /* 箭头变白色，在深色背景上更明显 */
}

.breadcrumb{
    display: flex;
    align-items: center;
    margin: 24px 0;
}
.breadcrumb_item{
    font-weight: 400;
    font-size: 14px;
    color: #777777;
    line-height: 20px;
}
.fixed_ai_box {
    bottom: 300px !important;
}

.news_bg{
    width: 100%;
    height: 628px;
    text-align: center;
    position: absolute;
    z-index: 1;
    background: linear-gradient( 180deg, rgba(0,188,136,0.91) 0%, #F7F7F7 100%);
}

.news_bg_logo{
    width: 704px;
    height: 702px;
    position: absolute;
    z-index: 2;
    background: url('../img/icon-bg-logo.png') no-repeat center center;
    background-size: 100% 100%;
    top: 158px;
    left: 50%;
    transform: translateX(-50%);
}

.news_bg_img{
    width: 348px;
    height: 130px;
    margin-top: 27px;
}

.new_logo{
    text-align: center;
}

.carousel_box{
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
    margin-top: 28px;
}
.carousel_swiper{
    width: 736px;
    height: 414px;
    border-radius: 12px;
    overflow: hidden;
    position: relative;
}
.swiper-wrapper{
    width: 100%;
    height: 100%;
}
.swiper-button-prev{
    width: 50px !important;
    height: 50px !important;
    background-size: 100% 100% !important;
    border-radius: 50% !important;
    background: url('../img/swiper-button-prev.png') no-repeat center center;
}
.swiper-button-prev::after {
    content: '' !important;  /* 隐藏默认箭头 */
}

.carousel_img{
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.3s ease-in-out;
}

.swiper-button-next{
    width: 50px !important;
    height: 50px !important;
    background-size: 100% 100% !important;
    border-radius: 50% !important;
    background: url('../img/swiper-button-next.png') no-repeat center center;
}
.swiper-button-next::after {
    content: '' !important;  /* 隐藏默认箭头 */
}
.swiper-slide{
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
}
#mySwiper:hover{
    .carousel_img{
        transform: scale(1.3);
    }
}
.swiper_slide_text{
    padding-left: 20px;
    box-sizing: border-box;
    width: 100%;
    position: absolute;
    bottom: 0;
    left: 0;
    background: linear-gradient( 180deg, rgba(0,0,0,0) 0%, rgba(0,0,0,0.5) 100%);
}
.slide_tag{
    display: inline-block;
    padding: 3px 10px;
    background: #2563EB;
    border-radius: 4px;
    font-weight: 500;
    font-size: 12px;
    color: #FFFFFF;
    line-height: 17px;
    margin-bottom: 18px;
}
.slide_title{
    font-weight: 800;
    font-size: 24px;
    color: #FFFFFF;
    line-height: 30px;
    margin-bottom: 8px;
}
.swiper_source{
    display: flex;
    font-weight: 500;
    font-size: 14px;
    color: #FFFFFF;
    line-height: 20px;
    gap: 10px;
    margin-bottom: 25px;
}

.new_items{
    min-width: 0px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.news_box_content_item_title_box{
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
}
.news_box_content_item__box{
    background: #2563EB;
    border-radius: 4px;
    padding: 2px 8px;
    font-weight: bold;
    font-size: 14px;
    color: #FFFFFF;
    line-height: 20px;
    flex-shrink: 0;
}

.new_item{
    display: flex;
    gap: 20px;
    padding: 28px 20px;
    background: #FFFFFF;
    border-radius: 12px;
    border: 1px solid #E4E8F0;
    flex: 1;
}
.new_item:hover{
    padding: 27px 19px;
    border: 2px solid #1D63FF;
    .new_item_right_img_no{
        display: none;
    }
    .new_item_right_img_hover{
        display: block;
    }
}

.new_item_left{
    flex: 1;
    display: flex;
    flex-direction: column;
}
.new_item_left_title{
    font-weight: bold;
    font-size: 18px;
    color: #212121;
    line-height: 24px;
    margin-bottom: 14px;
}
.new_item_left_desc{
    font-weight: 400;
    font-size: 13px;
    color: #212121;
    line-height: 24px;
    margin-bottom: 15px;
    flex: 1;
}
.new_item_right_img_hover{
    display: none;
}
.new_item_left_tags{
    display: flex;
    gap: 8px;
}
.new_item_left_tag{
    background: #EFF4FF;
    border-radius: 4px;
    padding: 4px 8px;
    font-weight: 400;
    font-size: 12px;
    color: #2563EB;
    line-height: 17px;
}
.new_item_left_time_img{
    width: 16px;
    height: 16px;
}
.new_item_left_time{
    display: flex;
    align-items: center;
    gap: 4px;
    font-weight: 400;
    font-size: 14px;
    color: #999999;
    line-height: 24px;
}
.new_item_right_img{
    width: 32px;
    height: 32px;
    cursor: pointer;
}

.news_box{
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-top: 20px;
    align-items: start;
}

.news_box_left{
    width: 827px;
    box-sizing: border-box;
    background: #FFFFFF;
    border-radius: 12px;
    border: 1px solid #E4E8F0;
}

.news_box_content_item{
    display: flex;
    gap: 16px;
    margin-bottom: 40px;
    cursor: pointer;
}
.news_box_content_item:hover{
    .news_content_item_img{
        transform: scale(1.3);
    }
    .news_box_content_item_title{
        color: #2563EB;
    }
}

.news_box_content_item:last-child{
    margin-bottom: 0;
}

.news_box_content_item_info{
    width: calc(100% - 224px - 16px);
}

.news_box_content_item_title{
    font-weight: bold;
    font-size: 18px;
    color: #212121;
    line-height: 28px;
    margin-bottom: 14px;
}

.news_box_content_item_desc{
    font-weight: 400;
    font-size: 13px;
    color: #666666;
    line-height: 17px;
    margin-bottom: 18px;
}

.news_box_content_item_tags{
    display: flex;
    gap: 10px;
    align-items: center;
}

.news_box_content_item_tag{
    padding: 4px 10px;
    background: #EFF4FF;
    border-radius: 4px;
    font-weight: 400;
    font-size: 12px;
    color: #3E75EC;
    line-height: 17px;
}

.news_box_content_item_img{
    width: 224px;
    height: 126px;
    background: #666666;
    border-radius: 8px;
    overflow: hidden;
}
.news_content_item_img{
    transition: all 0.3s ease-in-out;
}
.news_box_content_item_time{
    display: flex;
    align-items: center;
    gap: 4px;
    font-weight: 400;
    font-size: 13px;
    color: #999999;
    line-height: 24px;
}

.news_box_content_item_time_img{
    width: 16px;
    height: 16px;
}

.news_box_content_more{
    display: block;
    width: calc(100% - 40px);
    height: 45px;
    background: #FFFFFF;
    border: 1px dashed #D1D1D6;
    border-radius: 8px;
    font-weight: 400;
    font-size: 18px;
    color: #A6A6A6;
    line-height: 45px;
    text-align: center;
    cursor: pointer;
    margin: 20px;
}
.news_box_content_more_none{
    display: none;
}

.news_box_content_more:hover{
    border: 1px dashed rgba(29, 78, 216, .26);
    color: #1D4ED8;
}

.news_box_tabs{
    display: flex;
    gap: 30px;
    padding: 18px 20px;
}

.news_box_tab_item{
    font-weight: 400;
    font-size: 18px;
    color: #212121;
    line-height: 25px;
    cursor: pointer;
}

.news_box_tab_item_active{
    font-weight: bold;
    position: relative;
}
.news_box_tab_item_hover{
    position: relative;
}
.news_box_tab_item_hover::after{
    content: '';
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 18px;
    height: 3px;
    border-radius: 2px;
    background: #2563EB;
}

.news_box_tab_item_active::after{
    content: '';
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 18px;
    height: 3px;
    border-radius: 2px;
    background: #2563EB;
}

.news_box_tabs_line{
    width: 100%;
    height: 1px;
    background: rgba(0,0,0,0.12);
}

.news_box_text_content{
    padding: 20px;
}

.news_box_right{
    min-width: 0;
    padding: 22px 20px;
    background: #FFFFFF;
    border-radius: 12px;
    border: 1px solid #E4E8F0;
}
.news_box_right_header{
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}
.news_box_right_header_title{
    font-weight: 800;
    font-size: 18px;
    color: #202A38;
    line-height: 25px;
    position: relative;
    padding-left: 12px;
}
.news_box_right_header_title::before{
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    width: 3px;
    height: 17px;
    background: #2563EB;
    transform: translateY(-50%);
}
.news_box_right_header_more{
    font-weight: 400;
    font-size: 14px;
    color: #2563EB;
    line-height: 20px;
    cursor: pointer;
}
.news_box_item_box .no-data{
    display: none;
}
.news_box_item{
    cursor: pointer;
    margin-bottom: 30px;
    display: block;
}
.news_box_item:hover{
    .news_box_item_img{
        transform: scale(1.3);
    }
    .news_box_item_title{
        color: #2563EB;
    }
}
.news_box_item:last-child{
    margin-bottom: 0;
}
.news_box_item_img_div{
    width: 100%;
    height: 177px;
    margin-bottom: 10px;
    border-radius: 12px;
    overflow: hidden;
}
.news_box_item_img{
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.3s ease-in-out;
}
.news_box_item_title{
    font-weight: 500;
    font-size: 18px;
    color: #212121;
    line-height: 26px;
}
.news_box_item_desc{
    font-weight: 400;
    font-size: 13px;
    color: #666666;
    line-height: 21px;
}

.news_box_video_content{
    padding: 20px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.news_box_video_content_none{
    display: none !important;
}

.news_box_video_item{
    cursor: pointer;
}
.news_box_video_item:hover{
    .news_box_video_img{
        transform: scale(1.3);
    }
    .news_box_video_title{
        color: #2563EB;
    }
}
.news_box_video_img_box{
    margin-bottom: 10px;
    position: relative;
    overflow: hidden;
    width: 100%;
    height: 140px;
    border-radius: 8px;
}
.news_box_video_icon{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 42px;
    height: 42px;
    z-index: 9;
}
.news_box_video_img{
    width: 100%;
    height: 100%;
    border-radius: 8px;
    object-fit: cover;
    transition: all 0.3s ease-in-out;
}
.news_box_video_title{
    font-weight: bold;
    font-size: 18px;
    color: #2C2C2C;
    line-height: 25px;
    margin-bottom: 10px;
}
.news_box_video_time_img{
    width: 16px;
    height: 16px;
}
.news_box_video_time{
    display: flex;
    align-items: center;
    gap: 4px;
    font-weight: 400;
    font-size: 13px;
    color: #999999;
    line-height: 24px;
}

.news_box_img_content{
    padding: 20px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}
.news_box_img_item{
    cursor: pointer;
    min-width: 0;
}
.news_box_img_item_img_box{
    overflow: hidden;
    width: 100%;
    height: 215px;
    border-radius: 8px;
    margin-bottom: 18px;
}
.news_box_img_item_img{
    width: 100%;
    height: 100%;
    border-radius: 8px;
    object-fit: cover;
    transition: all 0.3s ease-in-out;
}
.news_box_img_item_title{
    font-weight: bold;
    font-size: 18px;
    color: #2C2C2C;
    line-height: 25px;
    text-align: left;
}
.news_box_img_item_desc{
    font-weight: 400;
    font-size: 13px;
    color: #666666;
    line-height: 21px;
}
.news_box_img_item:hover{
    .news_box_img_item_img{
        transform: scale(1.3);
    }
    .news_box_img_item_title{
        color: #2563EB;
    }
}

.mask-popup{
    width: 100%;
    height: 100%;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 999;
    background: rgba(0,0,0,0.5);
    display: none;
}
.popup_content{
    width: 800px;
    height: 634px;
    background: #FFFFFF;
    border-radius: 12px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}
.popup_content_items{
    padding: 20px 0;
    height: calc(100% - 80px - 24px);
    overflow-y: auto;
    overflow-x: hidden;
}
.popup_content_header{
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
}
.popup_content_header_title{
    font-weight: 800;
    font-size: 16px;
    color: #202A38;
    line-height: 22px;
    position: relative;
    padding-left: 12px;
}
.popup_content_header_title::after{
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    width: 3px;
    height: 17px;
    border-radius: 2px;
    background: #2563EB;
    transform: translateY(-50%);
}
.popup_content_header_close{
    width: 24px;
    height: 24px;
    cursor: pointer;
}
.popup_content_line{
    width: 100%;
    height: 1px;
    background: rgba(0,0,0,0.12);
}
.popup_content_item{
    display: flex;
    padding: 0 25px 30px 25px;
    position: relative;
}

.popup_content_item .year{
    width: 80px;
    font-weight: bold;
    font-size: 24px;
    color: #2563EB;
    line-height: 33px;
}
.popup_content_item .point{
    width: 15px;
    height: 15px;
    background: #2563EB;
    border-radius: 50%;
    margin: 9px 15px;
    position: relative;
    z-index: 2;
}
.popup_content_item .point_line{
    width: 1px;
    height: 100%;
    background: #BFC1C8;
    position: absolute;
    top: 9px;
    left: 127px;
    z-index: 1;
}
.popup_content_item .point:before{
    content: '';
    position: absolute;
    top: 50%;
    right: -20px;
    transform: translateY(-50%);
    width: 16px;
    height: 1px;
    border-bottom: 1px dashed #2563EB;
}
.popup_content_item .info_box{
    width: calc(100% - 130px - 15px - 16px - 20px );
}
.popup_content_item .info{
    width: 100%;
    padding: 20px;
    background: #F7F7F7;
    border-radius: 12px;
    margin-left: 20px;
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}
.popup_content_item .info:hover{
    padding: 18px;
    box-shadow: 0px 12px 16px 0px rgba(47,98,227,0.12);
    border-radius: 12px;
    border: 2px solid #1D63FF;
    background: #FFFFFF;
    .info_img{
        transform: scale(1.3);
    }
    .info_content_title{
        color: #2563EB;
    }
}
.popup_content_item:last-child{
    .point_line{
        display: none;
    }
}
.info_img_div{
    width: 195px;
    height: 110px;
    border-radius: 8px;
    overflow: hidden;
    flex-shrink: 0;
}
.info_img{
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.3s ease-in-out;
}
.info_content{
    width: 100%;
}
.info_content_title{
    width: calc(100% - 115px);
    font-weight: 500;
    font-size: 20px;
    color: #212121;
    line-height: 28px;
    margin-bottom: 12px;
}
.info_content_desc{
    width: calc(100% - 115px);
    font-weight: 400;
    font-size: 13px;
    color: #666666;
    line-height: 19px;
}

.swiper-button-next.swiper-button-disabled, .swiper-button-prev.swiper-button-disabled{
    pointer-events: auto !important;
}

@media (min-width: 1181px) and (max-width: 1239px) {
    .main{
        padding: 0 30px;
    }
    .new_img_text_box{
        padding: 0 30px;
    }
    .news_box_item_img{
        width: 100%;
    }
}

@media (min-width: 769px) and (max-width: 1180px) {
    .main{
        padding: 0 30px;
    }
    .new_img_text_box{
        padding: 0 30px;
    }
    .new_items{
        display: none;
    }
    .news_box_right{
        display: none;
    }
    .carousel_box{
        display: block;
    }
    .carousel_swiper{
        width: 100%;
    }
    .news_box{
        display: block;
    }
    .news_box_left{
        width: 100%;
    }
}

@media (max-width: 768px) {
    .main{
        padding: 0 15px;
    }
    .new_items{
        display: none;
    }
    .breadcrumb{
        display: none;
    }
    .news_box_right{
        display: none;
    }
    .carousel_box{
        display: block;
        margin-top: 12px;
    }
    .carousel_swiper{
        width: 100%;
        height: 150px;
    }
    .swiper_source{
        display: none;
    }
    .swiper-button-next, .swiper-button-prev{
        display: none !important;
    }
    .slide_title{
        font-weight: bold;
        font-size: 16px;
        color: #FFFFFF;
        line-height: 30px;
        margin-bottom: 0;
    }
    .slide_tag{
        margin-bottom: 0;
        font-weight: 500;
        font-size: 12px;
        color: #FFFFFF;
        line-height: 17px;
    }
    .news_bg{
        height: 231px;
    }
    .news_bg_logo{
        width: 100%;
    }
    .news_box{
        display: block;
    }
    .news_box_left{
        width: 100%;
        border: none;
    }
    .news_box_tabs{
        padding: 18px 0px;
        overflow-x: auto;
    }
    .news_box_tab_item{
        font-weight: 400;
        font-size: 15px;
        color: #212121;
        line-height: 21px;
    }
    .news_box_tabs_line{
        display: none;
    }
    .news_bg_img{
        width: 117px;
        height: 44px;
        margin-top: 12x;
    }
    .news_box_text_content{
        padding: 16px 0;
    }
    .news_box_content_item_img{
        width: 110px;
        height: 76px;
        flex-shrink: 0;
    }
    .news_box_content_item_info{
        width: calc(100% - 110px - 16px);
    }
    .news_box_content_item_desc{
        display: none;
    }
    .news_box_content_item_time_text{
        font-size: 14px;
    }
    .news_box_content_item_title {
        font-weight: bold;
        font-size: 18px;
        color: #333333;
        line-height: 23px;
        margin-bottom: 8px;

        white-space: wrap;
        text-overflow: nowrap;
        display: -webkit-box; /* 必须 */
        -webkit-box-orient: vertical; /* 必须 */
        -webkit-line-clamp: 2; /* 限制在一个块元素显示的文本的行数 */
        overflow: hidden; /* 隐藏溢出的内容 */
    }
    .news_box_content_item_tag{
        padding: 0;
        background: transparent;
        font-weight: 400;
        font-size: 14px;
        color: #3E75EC;
        line-height: 20px;
    }
    .news_box_content_item_time_img{
        display: none;
    }
    .news_box_content_item_time_img{
        font-weight: 400;
        font-size: 12px;
        color: #999999;
        line-height: 20px;
    }
}