:root{--blue:#1e649f;--blue-deep:#003a59;--orange:#ea7613;--text:#333;--muted:#666;--line:#dcdcdc}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:56px}
body{margin:0;color:var(--text);background:#fff;font:14px/1.6 "Microsoft YaHei","微软雅黑","PingFang SC","Hiragino Sans GB",Arial,sans-serif}
a{color:inherit;text-decoration:none}
button{font:inherit}
a,button{touch-action:manipulation}
a:hover{color:var(--orange)}
a:focus-visible,button:focus-visible{outline:2px solid #f7a638;outline-offset:2px}
img{max-width:100%;display:block}
h1,h2,h3,p,figure,dl,dd{margin:0}
ul,ol{list-style:none;margin:0;padding:0}
.wrap{max-width:1200px;width:calc(100% - 40px);margin-inline:auto}
.skip-link{position:fixed;top:-100px;left:20px;z-index:100;background:white;padding:10px}
.skip-link:focus{top:12px}

/* 页头：校徽 + 竖线 + 部门名称 */
.masthead{height:104px;display:flex;align-items:center;gap:22px}
.brand{display:block;flex-shrink:0}
.brand-crop{display:block;width:200px;height:62px;overflow:hidden}
.brand-crop img{max-width:none;width:399px;height:62px}
.site-name{border-left:2px solid #222;padding-left:20px;font-size:30px;line-height:36px;font-weight:bold;color:#222}
.site-name:hover{color:#222}
.motto{margin-left:auto;font-family:"STKaiti","KaiTi","楷体",serif;font-size:22px;letter-spacing:2px;color:#8b1f1f}

/* 主导航与下拉栏目 */
.main-nav{background:var(--blue);position:sticky;top:0;z-index:10}
.nav-inner{display:flex}
.nav-inner>li{flex:1;position:relative}
.nav-inner>li>a{display:block;text-align:center;color:#fff;font-size:16px;line-height:46px}
.nav-inner>li>a:hover,.nav-inner>li:hover>a,.nav-inner>li:focus-within>a,.nav-inner>li>a.active{background:var(--orange);color:#fff}
.sub-nav{display:none;position:absolute;top:100%;left:0;right:0;min-width:150px;background:#fff;border:1px solid var(--line);border-top:2px solid var(--orange);box-shadow:0 4px 10px rgba(0,0,0,.12)}
.has-sub:hover .sub-nav,.has-sub:focus-within .sub-nav{display:block}
.sub-nav a{display:block;text-align:center;line-height:38px;border-bottom:1px solid #eee;white-space:nowrap}
.sub-nav li:last-child a{border-bottom:0}
.sub-nav a:hover{background:#fdf1e6;color:var(--orange)}

/* 首页校园图片 */
.hero{position:relative;margin-top:12px;height:340px;overflow:hidden;background:#dde6ec}
.slides,.slide{width:100%;height:100%}
.slide{object-fit:cover;object-position:center 55%}
.slide[hidden]{display:none}
.hero-controls{display:flex;gap:4px;position:absolute;bottom:12px;right:14px;z-index:2}
.hero-controls button{width:22px;height:22px;padding:0;border:0;background:rgba(0,0,0,.45);color:#fff;font-size:12px;line-height:22px;cursor:pointer}
.hero-controls button:hover,.hero-controls button.selected{background:var(--orange)}

/* 栏目标题：色块标签压在色线上 */
.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;border-bottom:2px solid var(--orange);margin-bottom:12px}
.section-heading h2{background:var(--orange);color:#fff;font-size:18px;font-weight:normal;line-height:38px;padding:0 24px;border-radius:0 10px 0 0;white-space:nowrap}
.section-heading.blue{border-bottom-color:var(--blue)}
.section-heading.blue h2{background:var(--blue)}
.section-heading h2 a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
.section-more{font-size:12px;color:var(--muted);line-height:30px;white-space:nowrap}

/* 首页栏目 */
.home-row{display:grid;gap:28px;margin-top:28px}
.home-row-news{grid-template-columns:2fr 1fr}
.home-row-services{grid-template-columns:1fr 1fr;margin-bottom:36px}
.home-block{min-width:0}
.news-list li{display:flex;align-items:center;gap:6px;line-height:37px;border-bottom:1px dashed #e2e2e2}
.news-list li:before{content:"";flex:0 0 auto;border:4px solid transparent;border-left:5px solid var(--orange);margin-left:2px}
.news-tag{flex:0 0 auto}
.tag-zs{color:#c45f0b}
.tag-jy{color:var(--blue)}
.news-title{flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.news-date{flex:0 0 auto;color:#999;font-family:Arial,sans-serif;font-size:13px;margin-left:12px}
.about-box img{width:100%;height:150px;object-fit:cover;object-position:center 60%}
.about-box p{margin-top:12px;text-indent:2em;line-height:28px;color:#444}
.about-more{display:block;text-align:right;font-size:12px;color:var(--muted);margin-top:6px}
.service-tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.service-tiles a{display:flex;flex-direction:column;align-items:center;gap:6px;padding:18px 4px 14px;border:1px solid var(--line);background:#fafafa;font-size:15px}
.service-tiles.orange svg{color:var(--orange)}
.service-tiles.blue svg{color:var(--blue)}
.service-tiles.orange a:hover{background:var(--orange);border-color:var(--orange);color:#fff}
.service-tiles.blue a:hover{background:var(--blue);border-color:var(--blue);color:#fff}
.service-tiles a:hover svg{color:#fff}

/* 内页：图片条 + 左侧栏目 + 正文 */
.page-banner{margin-top:12px;height:150px;overflow:hidden}
.page-banner img{width:100%;height:100%;object-fit:cover;object-position:center 40%}
.page-body{display:grid;grid-template-columns:230px 1fr;gap:28px;align-items:start;margin-top:22px;margin-bottom:40px}
.side-nav{position:sticky;top:64px}
.side-nav h2{background:var(--blue);color:#fff;font-size:18px;font-weight:normal;line-height:48px;text-align:center}
.side-nav ul{border:1px solid var(--line);border-top:0}
.side-nav a{display:block;position:relative;line-height:46px;padding-left:34px;border-bottom:1px solid #eee;font-size:15px}
.side-nav li:last-child a{border-bottom:0}
.side-nav a:before{content:"";position:absolute;left:18px;top:19px;border:4px solid transparent;border-left:5px solid var(--orange)}
.side-nav a:hover{background:#fdf1e6}
.page-content{min-width:0}
.crumb{background:#f2f2f2;line-height:38px;padding:0 14px;font-size:13px;color:var(--muted)}
.content-section{padding-top:22px;scroll-margin-top:60px}
.content-section>h2{font-size:18px;font-weight:bold;color:var(--blue);border-bottom:2px solid var(--blue);line-height:40px;margin-bottom:12px}
.content-section h3{font-size:15px;font-weight:bold;color:#c45f0b;border-left:4px solid var(--orange);padding-left:10px;line-height:18px;margin:16px 0 8px}
.content-section p{text-indent:2em;line-height:28px}
.content-section p+p{margin-top:6px}
.page-content .news-list li{align-items:flex-start;line-height:24px;padding:10px 0}
.page-content .news-list li:before{margin-top:8px}
.page-content .news-title{white-space:normal;overflow:visible;overflow-wrap:anywhere}
.duty-list{list-style:decimal;padding-left:2.4em;line-height:28px}
.link-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));column-gap:24px}
.link-grid li{min-width:0;border-bottom:1px dashed #e2e2e2}
.link-grid a{display:block;position:relative;line-height:40px;padding-left:14px;font-size:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.link-grid a:before{content:"";position:absolute;left:1px;top:16px;border:4px solid transparent;border-left:5px solid var(--orange)}
.list-more{text-align:right;font-size:13px;margin-top:8px}
.content-section .list-more{text-indent:0}
.source-links{display:flex;flex-wrap:wrap;gap:8px 20px;margin:14px 0}
.source-links a{color:var(--blue);border-bottom:1px solid #c9d9e5;line-height:28px}
.source-links a:hover{color:var(--orange);border-color:var(--orange)}
.contact-card{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;border:1px solid var(--line);background:#fafafa;padding:16px 20px}
.contact-card dl{display:grid;grid-template-columns:5em 1fr;row-gap:6px;line-height:28px}
.contact-card dt{color:var(--muted)}
.contact-card dd a{color:var(--blue)}
.contact-card figure{text-align:center;flex-shrink:0}
.contact-card img{width:100px;height:100px;background:#fff;padding:4px;border:1px solid var(--line)}
.contact-card figcaption{font-size:12px;color:var(--muted);margin-top:4px}

/* 页脚：联系方式、友情链接与版权 */
footer{background:var(--blue-deep);color:#d6e2ea;font-size:14px}
.footer-main{display:flex;justify-content:space-between;align-items:flex-start;gap:36px;padding:22px 0}
.footer-main h2{font-size:16px;font-weight:bold;color:#fff;margin-bottom:6px}
.footer-info p{line-height:26px}
.footer-info a{color:#fff}
.footer-links ul{display:grid;grid-template-columns:repeat(2,auto);column-gap:28px}
.footer-links a{line-height:26px}
footer a:hover{color:#ffd291}
.qr-list{display:flex;gap:18px;flex-shrink:0}
.qr-list figure{text-align:center}
.qr-list img{background:#fff;padding:4px;width:96px;height:96px}
.qr-list figcaption{font-size:12px;margin-top:4px}
.footer-bottom{background:#002c44;color:#a9bfcc;text-align:center;font-size:12px;line-height:40px}

@media(max-width:1000px){
.motto{font-size:18px}
.nav-inner>li>a{font-size:15px}
.home-row{gap:20px}
.footer-main{flex-wrap:wrap}
}
@media(max-width:800px){
.masthead{height:92px}
.motto{display:none}
.site-name{font-size:26px;padding-left:16px}
.nav-inner{flex-wrap:wrap}
.nav-inner>li{flex:0 0 33.333%}
.nav-inner>li:nth-child(n+4){border-top:1px solid rgba(255,255,255,.15)}
.link-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
.nav-inner>li>a{line-height:42px}
.sub-nav,.has-sub:hover .sub-nav,.has-sub:focus-within .sub-nav{display:none}
.main-nav{position:relative}
.hero{height:250px}
.home-row-news,.home-row-services{grid-template-columns:1fr}
.about-box{display:grid;grid-template-columns:200px 1fr;column-gap:16px}
.about-box img{height:100%;min-height:140px;grid-row:span 2}
.about-box p{margin-top:0}
.page-body{grid-template-columns:1fr;gap:16px}
.side-nav{position:static}
.side-nav ul{display:flex;flex-wrap:wrap}
.side-nav li{flex:1}
.side-nav a{border-bottom:0;border-right:1px solid #eee;text-align:center;padding-left:0}
.side-nav a:before{display:none}
}
@media(max-width:520px){
.wrap{width:calc(100% - 24px)}
.masthead{height:80px;gap:12px}
.brand-crop{width:159px;height:50px}
.brand-crop img{width:322px;height:50px}
.site-name{font-size:21px;line-height:28px;padding-left:12px;white-space:nowrap}
.nav-inner>li>a{font-size:14px;line-height:40px}
.hero{height:170px;margin-top:10px}
.hero-controls{right:8px;bottom:8px}
.hero-controls button{width:20px;height:20px;line-height:20px}
.section-heading h2{font-size:17px;line-height:36px;padding:0 18px}
.news-date{font-size:12px;margin-left:8px}
.about-box{display:block}
.about-box img{height:130px}
.about-box p{margin-top:10px}
.service-tiles{gap:8px}
.service-tiles a{font-size:14px;padding:14px 2px 12px}
.page-content .news-list li{display:grid;grid-template-columns:9px minmax(0,1fr);gap:0 6px}
.page-content .news-date{grid-column:2;margin-left:0}
.link-grid a{white-space:normal;overflow-wrap:anywhere;line-height:24px;padding-top:8px;padding-bottom:8px}
.page-banner{height:100px}
.contact-card{flex-direction:column}
.contact-card dl{grid-template-columns:4.5em 1fr}
.footer-main{flex-direction:column;gap:18px}
.footer-info p{font-size:13px;line-height:24px}
.qr-list img{width:88px;height:88px}
html{scroll-padding-top:10px}
}
@media(max-width:360px){
.masthead{gap:8px}
.brand-crop{width:140px;height:44px}
.brand-crop img{width:283px;height:44px}
.site-name{font-size:19px;padding-left:8px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}