* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Microsoft Yahei", sans-serif;
}

a {
    text-decoration: none;
}

/* 顶部横幅 */
.header-banner {
    position: relative;
    width: 100%;
    height: 783px;
    background: url(../img/Group\ 1321315138.png) no-repeat;
    background-size: cover;
    overflow: hidden;
}

.banner-bg {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.banner-overlay {
    position: absolute;
    top: 90px;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    color: white;
    /* background: rgba(0, 85, 170, 0.2); */
    align-items: center;
    flex-direction: column;
}

.sstp {}

.emblem {
    width: 136px;
    height: 136px;
    margin-bottom: 20px;
}

.site-title {
    font-family: Source Han Sans CN, Source Han Sans CN;
    font-weight: bold;
    font-size: 80px;
    color: #1562D5;
    letter-spacing: 6px;
    text-shadow: inset 0px -2px 0px #173FC0, 0px 1px 2px #FFFFFF, 0px 1px 4px #FFFFFF;

}

.site-subtitle {
    font-family: Source Han Sans K, Source Han Sans K;
    font-weight: 500;
    font-size: 26px;
    color: #3F7CF2;
    text-shadow: 0px 1px 4px #FFFFFF;
    margin-bottom: 40px;
    font-style: normal;
    text-transform: none;

}

.search-box {
    display: flex;
    align-items: center;
    position: relative;

}

.sstp {
    position: absolute;
    left: 10px;
    width: 40px;
    height: 40px;
    z-index: 1;
}

.search-input {
    width: 560px;
    height: 60px;
    padding: 0 10px;
    border: none;
    border-radius: 4px 0 0 4px;
    outline: none;
    padding: 0 10px 0 55px;
    font-family: PingFang SC, PingFang SC;
    font-weight: 500;
    font-size: 20px;
    color: #868686;
}

.search-btn {
    height: 60px;
    padding: 0 20px;
    background: #0055aa;
    font-family: Source Han Sans K, Source Han Sans K;
    font-weight: 500;
    font-size: 28px;
    color: #DBE6FF;
    border: none;
    border-radius: 0 4px 4px 0;
    cursor: pointer;
    width: 120px;
}

.search-btn:hover {
    background: #004488;
}

/* 导航栏 */
.main-nav {
    background: #0055aabd;
}

.nav-container {
    max-width: 1520px;
    margin: 0 auto;
    display: flex;
}

.nav-item {
    flex: 1;
    height: 80px;
    line-height: 80px;
    text-align: center;

    text-decoration: none;

    font-family: PingFang SC, PingFang SC;
    font-weight: 800;
    font-size: 36px;
    color: #FFFFFF;
}

.nav-item:hover,
.nav-item.active {
    background: #004488;
}

/* 主体内容 */
.main-content {
    max-width: 1520px;
    margin: 20px auto;
    padding: 0 15px;
}

.news-section {
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    padding: 20px;
    margin-bottom: 30px;
}

.section-header {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid #eee;
    justify-content: space-around;
}

.section-title {

    font-family: PingFang SC, PingFang SC;
    font-weight: 800;
    font-size: 56px;
    color: #1559BF;
    text-align: center;
    font-style: normal;
    text-transform: none;
}

.more-link {

    font-family: PingFang SC, PingFang SC;
    font-weight: 500;
    font-size: 20px;
    color: #8C8C8C;
    text-align: left;
    font-style: normal;
    text-transform: none;
}

.more-link:hover {
    text-decoration: underline;
}

.news-container {
    display: flex;
    gap: 30px;
}

.gd {
    float: right;

    font-family: PingFang SC, PingFang SC;
    font-weight: 500;
    font-size: 20px;
    color: #8C8C8C;
    text-align: left;
    font-style: normal;
    text-transform: none;
}

.gd a {


    font-family: PingFang SC, PingFang SC;
    font-weight: 500;
    font-size: 20px;
    color: #8C8C8C;
    text-align: left;
    font-style: normal;
    text-transform: none;
}

.news-banner {
    width: 45%;
}

.news-img {
    width: 100%;
    height: 474px;
    object-fit: cover;
    border-radius: 4px;
}

.news-list {
    flex: 1;
    list-style: none;
    display: flex;
    flex-direction: column;
    justify-content: space-around;
}

.news-list li {
    position: relative;
}

.news-list li::after {
    content: "";
    /* 伪元素必须有content */
    position: absolute;
    left: 0;
    /* 靠左对齐 */
    bottom: 0;
    /* 靠下对齐 */
    width: 100%;
    /* 宽度铺满父元素 */
    height: 2px;
    /* 图片高度，可根据实际图片调整 */
    background: url(../img/Vector_16.png) no-repeat center;
    /* 图片居中显示 */
    background-size: 100% 100%;
    /* 图片铺满伪元素 */
}

.news-list li a {

    line-height: 1.6;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    display: block;
    padding-bottom: 25px;
    font-family: PingFang SC, PingFang SC;
    font-weight: 500;
    font-size: 30px;
    color: #000000;
    text-align: left;
    font-style: normal;
    text-transform: none;
}

.news-list li a:hover {
    color: #0055aa;
    text-decoration: underline;
}

/* 三栏布局 */
.three-col-section {
    display: flex;
    gap: 20px;
}

.col-item {
    flex: 1;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    padding: 20px;
}

.col-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    padding-bottom: 8px;
    border-bottom: 1px solid #eee;
}

.col-title {

    font-family: PingFang SC, PingFang SC;
    font-weight: 800;
    font-size: 42px;
    color: #1559BF;
    text-align: left;
    text-indent: 45px;
    font-style: normal;
    text-transform: none;

    background: url(../img/Group_1321315142.png) no-repeat;
    background-position: 0px 25px;
}

.col-list {
    list-style: none;
}

.col-list li {
    /* margin-bottom: 10px; */
    position: relative;
}

.col-list li a {

    line-height: 3;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    display: block;


    font-family: PingFang SC, PingFang SC;
    font-weight: 500;
    font-size: 22px;
    color: #000000;
    text-align: left;
    font-style: normal;
    text-transform: none;
}

/* 新增伪元素，专门放底部图片边框 */
.col-list li::after {
    content: "";
    /* 伪元素必须有content */
    position: absolute;
    left: 0;
    /* 靠左对齐 */
    bottom: 0;
    /* 靠下对齐 */
    width: 100%;
    /* 宽度铺满父元素 */
    height: 2px;
    /* 图片高度，可根据实际图片调整 */
    background: url(../img/Vector_16.png) no-repeat center;
    /* 图片居中显示 */
    background-size: 100% 100%;
    /* 图片铺满伪元素 */
}

.col-list li a:hover {
    color: #0055aa;
    text-decoration: underline;
}

/* 友情链接 */
.links-section {
    background: #ffffff;
    padding: 15px 0;
    border-top: 1px solid #eee;
    border-bottom: 1px solid #eee;
}

.link-group label {
    font-family: PingFang SC, PingFang SC;
    font-weight: bold;
    font-size: 30px;
    color: #4972B0;
    text-align: left;
    font-style: normal;
    text-transform: none;
}

.links-container {
    max-width: 1520px;
    margin: 0 auto;
    padding: 0 15px;
}

.link-group {
    display: flex;
    align-items: center;
    gap: 10px;
    justify-content: space-between;
}

.link-select {
    padding: 5px 8px;
    border: 1px solid #ccc;
    border-radius: 4px;
    background: white;
    height: 40px;
    width: 20%;
}

/* 页脚 */
.site-footer {
    background: #ffffff;
    color: #000000b0;
    padding: 20px 0;

}

.footer-container {
    max-width: 1520px;
    margin: 0 auto;
    padding: 0 15px;
    display: flex;
    align-items: center;
    gap: 10px;
    justify-content: space-between;

}

.dzzc {
    display: flex;
    align-items: center;
}

.footer-links {
    display: flex;
    gap: 20px;
    width: 100%;
    background: url(../img/Rectangle_34624778.png) no-repeat;
    height: 80px;
    justify-content: center;
}
.footer-info p{
    font-size: 16px;
}
.footer-links a {
    font-family: PingFang SC, PingFang SC;
    font-weight: 800;
    font-size: 36px;
    color: #FFFFFF;
    line-height: 80px;
    margin-left: 20px;

}

.footer-links a:hover {
    text-decoration: underline;
}

.footer-info {
    text-align: center;
    font-size: 12px;
    line-height: 1.5;
}

.footer-security {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 12px;
}

/* 响应式适配 */
@media (max-width: 992px) {
    .news-container {
        flex-direction: column;
    }

    .news-img {
        width: 100%;
        height: auto;
    }

    .three-col-section {
        flex-direction: column;
    }
}