.main-content {
    padding: 20px 0;
}
.header{
    position: relative;
    background: url(../images/header_bg.png) no-repeat center center;
    background-size: auto 100%;
    height: 467px;
}
.header .logo{
    display: block;
    margin-top: 22px;
    width: calc(375 / 1200 * 100%);
    position: absolute;
    z-index: 10;
}
.header, .header a{
    color: #fff;
}
.header .text{
    margin-top: 20px;
    display: block;text-align: center;
    position: relative;
    top: 50px;
}
.header .text img{
    display: block;
    width: 80%;
    margin: 0 auto;
}

.sec-box{margin-top: 50px;}
/* 顶部区域样式 */
.top-section {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.left-slider {
    width: calc((600 / 1200) * 100%);
}

.slider-wrapper {
    position: relative;
    width: 100%;
    height: 0;
    padding-bottom: 56.25%; /* 16:9的宽高比 */
}

.banner-swiper {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.banner-swiper .swiper-slide {
    position: relative;
    width: 100%;
    height: 100%;
}

.banner-swiper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.top-section .swiper-container{
    position: absolute !important;
}

.slide-title {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 10px;
    background: rgba(0,0,0,0.6);
    color: #fff;
}

.right-news {
    width: calc((570 / 1200) * 100%);
    height: 337px;
    background: #fff;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
}

.news-list {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.news-header {
    position: relative;
    margin-bottom: 20px;
    padding-left: 15px;
}

.news-header:before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 20px;
    background: #0066cc;
}

.news-header h2 {
    font-size: 20px;
    color: #0066cc;
    font-weight: bold;
    line-height: 1.5;
}

.news-list li {
    line-height: 43px;
    font-size: 16px;
}

.news-list a {
    display: flex;
    justify-content: space-between;
    color: #333;
}

.news-list .news-title {
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    padding-right: 15px;
}

.news-list .news-date {
    color: #999;
    font-size: 14px;
    flex-shrink: 0;
}

/* 新闻列表区域样式 */
.news-columns {
    display: flex;
    justify-content: space-between;
    gap: 30px;
    margin-top: 30px;
    
}

.news-column {
    flex: 1;
    background: #fff;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    width: 30%;
}

.column-header {
    position: relative;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-left: 15px;
}

.column-header:before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 20px;
    background: #0066cc;
}

.column-header h3 {
    font-size: 20px;
    color: #0066cc;
    font-weight: bold;
    line-height: 1.5;
}

.more {
    color: #666;
    font-size: 14px;
}

.column-list {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.column-list li {
    line-height: 40px;
    font-size: 16px;
}

.column-list a {
    display: flex;
    justify-content: space-between;
    color: #333;
}

.column-list .news-title {
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    padding-right: 15px;
}

.column-list .news-date {
    color: #999;
    font-size: 14px;
    flex-shrink: 0;
}

/* 图片新闻区域样式 */
.image-news {
    background: #fff;
    margin-top: 30px;
    position: relative;
}

.image-news .slide-title{
    background-color: transparent;
    color: #000;
    padding: 5px;
    position: relative;
}

.image-news .slide-title h5{
    width: 100%;
    font-size: 16px;
    font-weight: 400;
}
.section-header {
    position: relative;
    margin-bottom: 20px;
    padding-left: 15px;
}

.section-header:before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 20px;
    background: #0066cc;
}

.section-header h2 {
    font-size: 20px;
    color: #0066cc;
    font-weight: bold;
    line-height: 1.5;
}

.image-swiper {
    height: 200px;
    padding: 0 40px;
    width: 100%;
}

.image-swiper .swiper-slide {
    width: 280px;
    margin-right: 20px;
}

.image-swiper img {
    width: 100%;
    height: 160px;
    object-fit: cover;
}

.banner-swiper .swiper-pagination {
    position: absolute;
    bottom: 13px !important;
    right: 10px !important;
    width: auto !important;
    left: auto !important;
    text-align: right;
    z-index: 10;
}

.banner-swiper .swiper-pagination-bullet {
    width: 8px;
    height: 8px;
    background: rgba(255, 255, 255, 0.6);
    margin: 0 4px;
    opacity: 1;
}

.banner-swiper .swiper-pagination-bullet-active {
    background: #fff;
}

/* 调整标题位置，确保不会与分页器重叠 */
.banner-swiper .slide-title {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 10px;
    background: rgba(0,0,0,0.6);
    color: #fff;
    height: 40px;
    line-height: 20px;
    box-sizing: border-box;
}
.banner-swiper .slide-title h5 {
    width: 80%;
}

@media (max-width: 1280px) {
    .right-news{
        height: 276px;
    }
    .news-list li{height: 35px;}
    .news-header{
        margin-bottom: 0;
    }

    .header-search{
        float: none;
    }
    .header .logo{
        position: relative;
        margin: 0 auto;
        padding-top: 30px;
    }
    .header .text{
        top: 0;
    }
    
}

@media (max-width: 992px) {
    .left-slider{
        width: 100%;
    }
    .top-section{
        flex-wrap: wrap;
    }
    .right-news{
        width: 100%;
        height: auto;
        margin-top: 20px;
    }
    .news-list li{
        height: 40px;
    }
    .news-columns{
        flex-wrap: wrap;
    }
    .news-column{
        width: 100%;
    }
}

@media (max-width: 431px) {
    .image-swiper img{
        height: 230px;
    }
    .image-swiper{
        height: auto;
    }
    .header .logo{
        width: calc(900 / 1200 * 100%);
        padding-top: 0;
    }
    .header {
        height: 328px;
    }
    .sec-box{margin-top: 20px;}
}