@charset "UTF-8";
:root{--wine:#8f1027;--wine-deep:#790b20;--wine-light:#a51b32;--gold:#f3b93f;--ink:#262d36;--body:#4c5664;--muted:#7c8795;--line:#e7e9ed;--soft:#f7f8fa}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;font-family:Arial,"Microsoft YaHei","PingFang SC",sans-serif;color:var(--ink)}
a{color:inherit}
.shell-body{height:100vh;height:100dvh;overflow:hidden}
.site-shell{display:flex;height:100%;width:100%;overflow:hidden}
.sidebar{position:relative;z-index:2;width:200px;min-width:200px;height:100%;display:flex;flex-direction:column;background:var(--wine);color:#fff;overflow:hidden}
.identity{flex-shrink:0;height:150px;background:var(--wine);color:#fff;text-align:center;padding:8px 12px 10px}
.logo-link{display:flex;align-items:center;justify-content:center;height:59px;margin:0 auto 10px;background:transparent;max-width:276px}
.school-logo{display:block;width:100%;max-width:276px;max-height:56px;object-fit:contain}
.school-unit{display:block;color:inherit;text-decoration:none;font-size:12px;font-weight:700;line-height:1.35;white-space:nowrap}
.school-unit span,.group-name span{font-weight:600}
.group-name{display:block;width:100%;text-align:center;color:inherit;text-decoration:none;margin:14px auto 0;font-size:12px;font-weight:700;line-height:1.3;white-space:nowrap}
.main-nav{display:flex;flex-direction:column;padding:2px 0 6px;gap:1.5px;flex:1;min-height:0;overflow-y:auto}
.nav-item{position:relative;display:flex;align-items:center;min-height:42px;padding:0 9px;gap:6px;color:rgba(255,255,255,.94);transition:background .18s}
.nav-item:before{content:"";position:absolute;left:0;top:13px;bottom:13px;width:4px;background:transparent}
.nav-item:hover{background:rgba(255,255,255,.08)}
.nav-item.active{background:rgba(255,255,255,.09)}
.nav-item.active:before{background:var(--gold)}
.nav-item svg{width:19px;height:19px;flex:0 0 19px;fill:none;stroke:currentColor;stroke-width:1.65;stroke-linecap:round;stroke-linejoin:round}
.nav-item a{text-decoration:none;line-height:1.2;white-space:nowrap;font-weight:700}
.nav-cn{font-size:14px}
.nav-en{font-size:13px;font-weight:700;opacity:.94;margin-left:6px}
.sidebar-footer{margin-top:auto;padding:0 0 12px;text-align:center;flex-shrink:0;color:#f4d9de}
.campus-line{display:block;width:100%;height:45px;object-fit:cover;opacity:.65;filter:brightness(1.25)}
.footer-school{font-family:"Songti SC",SimSun,serif;font-size:12px;font-weight:700;letter-spacing:1px;margin-top:3px}
.footer-en{font-size:6px;letter-spacing:.65px;opacity:.85;margin-top:2px}
.content-panel{flex:1;min-width:0;height:100%;overflow:hidden;background:#fff}
.content-frame{width:100%;height:100%;display:block;border:0;background:#fff}
.page{max-width:1200px;margin:0 auto;padding:42px clamp(22px,4.2vw,64px) 24px;min-height:100%;font-size:15px;line-height:1.8}
.home-banner{display:block;width:100%;height:auto;margin:0 0 28px;border-radius:4px}
.page-header{padding:0 0 25px;border-bottom:1px solid var(--line);margin-bottom:28px}
.eyebrow{font-size:11px;letter-spacing:2px;color:var(--wine);font-weight:700;margin:0 0 8px}
.page h1{font-size:32px;line-height:1.35;margin:0 0 12px;color:#242b35;font-weight:700}
.page-header>p:last-child{margin:0;color:var(--muted)}
.page h2{font-size:21px;line-height:1.4;margin:0 0 14px;color:#303945}
.page h2:before{content:"";display:inline-block;width:4px;height:21px;border-radius:2px;background:var(--wine);margin-right:11px;vertical-align:-4px}
.page p{margin-top:0}
.lead{font-size:17px;color:#3c4857}
.muted{color:var(--muted);font-size:13px}
.content-section{margin:30px 0}
.hero-panel{padding:32px 34px;background:linear-gradient(135deg,#fbf6f6,#fff 62%);border-left:4px solid var(--wine);margin-bottom:30px}
.hero-panel .eyebrow{margin-bottom:9px}
.hero-panel h1{font-size:clamp(27px,3.4vw,39px);margin-bottom:12px}
.hero-panel p{max-width:85vw;color:#5d6875;margin-bottom:0}
.quick-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px;margin:24px 0}
.info-card{padding:20px;border:1px solid var(--line);border-radius:5px;background:#fff}
.info-card h3{margin:0 0 8px;font-size:16px;color:#313b48}
.info-card p{margin:0;color:var(--muted);font-size:13px}
.text-link{color:var(--wine);font-weight:600;text-decoration:none}
.text-link:hover{text-decoration:underline}
.stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:22px 0 30px}
.stats>div{padding:17px 20px;background:#faf6f6;border:1px solid #f0e4e6;border-radius:5px}
.stats strong{display:block;color:var(--wine);font-size:26px;line-height:1.35}
.stats span{font-size:13px;color:var(--muted)}
.link-row{display:flex;flex-wrap:wrap;gap:10px}
.link-row a{display:inline-block;text-decoration:none;color:var(--wine);border:1px solid #ead4d8;padding:5px 12px;border-radius:4px;font-size:13px}
.link-row a:hover{background:#fbf0f2}
.publication-list{list-style:none;padding:0;margin:18px 0}
.publication{display:grid;grid-template-columns:40px minmax(0,1fr);gap:12px;padding:15px 0;border-bottom:1px solid var(--line);line-height:1.65}
.pub-number{color:var(--wine);font-size:13px;font-weight:700;padding-top:1px}
.publication p{margin:0;font-size:14px;color:#3d4652;overflow-wrap:anywhere}
.publication a{color:var(--wine)}
.course-table{width:100%;border-collapse:collapse;margin:15px 0 24px}
.course-table th,.course-table td{text-align:left;vertical-align:top;padding:13px 14px;border-bottom:1px solid var(--line)}
.course-table th{background:#faf6f6;color:var(--wine);font-size:13px}
.course-table td{font-size:14px}
.year-label{font-size:17px;font-weight:700;color:var(--wine);margin:20px 0 8px}
.profile-block{display:flex;gap:22px;padding:22px;border:1px solid var(--line);border-radius:5px;align-items:flex-start}
.profile-monogram{width:88px;height:88px;flex:0 0 88px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:#f8e9ec;color:var(--wine);font-size:24px;font-weight:700}
.profile-block h2:before{display:none}
.profile-block h2{margin:0 0 6px}
.tag{display:inline-block;margin:4px 5px 0 0;padding:3px 9px;border-radius:20px;background:#f8e9ec;color:var(--wine);font-size:12px}
.news-list{list-style:none;padding:0;margin:0}
.news-list li{padding:17px 0;border-bottom:1px solid var(--line)}
.news-date{display:block;color:var(--wine);font-size:12px;font-weight:700}
.news-list h3{font-size:16px;margin:3px 0 5px}
.news-list p{color:var(--muted);font-size:13px;margin:0}
.page-footer{margin-top:42px;border-top:1px solid var(--line);padding-top:15px;text-align:center;color:#929ba6;font-size:12px}
.placeholder-note{padding:18px 20px;border:1px dashed #d9dce1;border-radius:5px;background:#fafbfc;color:#697482}
@media(max-width:850px){.sidebar{width:200px;min-width:200px}.identity{padding-left:7px;padding-right:7px}.school-unit,.group-name{font-size:12px}.nav-item{min-height:42px;padding:0 9px;gap:6px}.nav-cn{font-size:12px}.nav-en{font-size:11px;margin-left:6px}.page{padding:30px 23px 20px}.quick-grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.sidebar{width:200px;min-width:200px}.identity{height:100px;padding:6px 7px}.logo-link{height:40px;margin-bottom:6px}.school-logo{max-height:38px}.school-unit,.group-name{font-size:10px}.group-name{margin-top:7px}.nav-item{min-height:40px;padding:0 9px;gap:5px}.nav-item svg{width:16px;height:16px;flex-basis:16px}.nav-cn{font-size:11px}.nav-en{font-size:9px;margin-left:5px}.sidebar-footer{padding-bottom:8px}.campus-line{height:30px}.footer-school{font-size:10px}.footer-en{font-size:5px}.page{padding:24px 16px 18px}.page h1{font-size:27px}.quick-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}.info-card{padding:14px}.info-card h3{font-size:14px}.stats{grid-template-columns:1fr}.profile-block{flex-direction:column}.course-table th,.course-table td{padding:9px 7px;font-size:12px}}

.avatar-box {
  position: absolute;
  width: 100px;
  height: 120px;
}
.avatar {
  position: absolute;
  top: 0;
  left: 0;
  width: 100px;
  height: 120px;
  border-radius: 50%; /* 宽高不等，天然椭圆 */
  opacity: 0;
  transform: scale(0.7);
  animation: showHide 15s ease-in-out infinite;
}
.avatar:nth-child(1) { animation-delay: 0s; }
.avatar:nth-child(2) { animation-delay: 1.5s; }
.avatar:nth-child(3) { animation-delay: 3s; }
.avatar:nth-child(4) { animation-delay: 4.5s; }
.avatar:nth-child(5) { animation-delay: 6s; }
.avatar:nth-child(6) { animation-delay: 7.5s; }
.avatar:nth-child(7) { animation-delay: 9s; }
.avatar:nth-child(8) { animation-delay: 10.5s; }
.avatar:nth-child(9) { animation-delay: 12s; }
.avatar:nth-child(10) { animation-delay: 13.5s; }

@keyframes showHide {
  0% {
    opacity: 0;
    transform: scale(0.7);
  }
  8% {
    opacity: 1;
    transform: scale(1);
  }
  18% {
    opacity: 1;
    transform: scale(1);
  }
  20% {
    opacity: 0;
    transform: scale(0.7);
  }
  100% {
    opacity: 0;
    transform: scale(0.7);
  }
}