:root{--ink:#123147;--muted:#65747c;--accent:#ac7932;--paper:#f6f4ef;--line:#deded6;--navy:#092c41;--serif:Georgia,'Noto Serif SC','Songti SC',SimSun,serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,'Microsoft YaHei',sans-serif;font-size:16px;line-height:1.8}a{color:inherit;text-decoration:none}a:hover{color:var(--accent)}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #cf9b3e;outline-offset:4px}img{max-width:100%}.wrap{max-width:1240px;margin:auto;padding:0 44px}.topbar{background:var(--navy);color:#c3d1d8;font-size:11px;letter-spacing:1.5px;padding:8px 0}.topbar .wrap{display:flex;justify-content:space-between;gap:20px}header{background:#fff;border-bottom:1px solid var(--line)}.head{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:116px}.brand img{width:390px;display:block}.meta .brand 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h3{font-size:19px}.band .wrap{display:block}.band .button{margin-top:10px}.pagehero h1{font-size:35px}.footer-grid,.split{grid-template-columns:1fr;gap:25px}.bottom{display:block}.article{padding:38px 22px}.filters{display:block}.filters input,.filters select{width:100%;margin-bottom:12px;min-width:0}.event{grid-template-columns:70px 1fr;gap:16px}}

.brand img{height:auto}
/* Academic institutional theme inspired by saifs.ecnu.edu.cn. */
.meta{--accent:#5148c8;--navy:#39348f;--ink:#252443;--muted:#6c6b80;--paper:#fff;--line:#e4e3ed}
.meta .wrap{max-width:1380px}
.meta .topbar{background:#36308f;color:#e2dfff;padding:6px 0}
.meta header{background:linear-gradient(110deg,#5148ef,#608beb);border:0;color:#fff}
.meta .head{min-height:108px;gap:30px}
.meta .brand{background:white;padding:12px 16px;flex-shrink:0}
.meta .brand img{width:420px;max-width:100%;height:auto}
.meta .nav{gap:26px;white-space:nowrap}
.meta .nav a{padding:10px 0;border-bottom:2px solid transparent}
.meta .nav a:hover,.meta .nav a[aria-current=page]{color:#fff;border-bottom-color:#fff}
.meta .menu{color:white;background:transparent;border-color:#ffffff80}
.meta .hero{position:relative;padding:90px 0 84px;background:radial-gradient(ellipse at 80% 20%,#798df070,transparent 48%),linear-gradient(115deg,#181d51,#33388b 55%,#6360c8);color:white;border-top:14px solid #eeedf4}
.meta .hero-grid{gap:80px;min-height:370px}
.meta .hero h1{font-family:Arial,'Microsoft YaHei',sans-serif;font-size:54px;font-weight:600;line-height:1.45}
.meta .hero .kicker{color:#c9ccff}
.meta .hero .intro{color:#e0e3fa;line-height:2}
.meta .hero .button{background:white;color:#39348f}
.meta .hero .button.secondary{background:transparent;color:white;border-color:#abaee6}
.meta .figure{background:transparent;box-shadow:none;border:1px solid #ffffff36;padding:42px;min-height:340px}
.meta .figure:before{width:290px;height:290px;top:24px;left:calc(50% - 145px);border-color:#c8c7ff65;transform:rotate(-25deg) scaleX(.75)}
.meta .figure:after{width:290px;height:290px;top:24px;left:calc(50% - 145px);border-color:#b2c9ff65;transform:rotate(25deg) scaleX(.75)}
.meta .figure-label{color:#c8ccff;letter-spacing:3px}
.meta .figure-title{font-size:42px;letter-spacing:7px;color:white}
.meta .figure-bottom{color:#d4d6f1}
.meta h2{font-family:Arial,'Microsoft YaHei',sans-serif;font-size:30px;font-weight:600}
.meta .section{padding:66px 0}
.meta .section.white{background:#f5f5fa}
.meta .section-head{border-bottom:1px solid var(--line);padding-bottom:24px;margin-bottom:30px}
.meta .section-head .kicker{margin-bottom:8px}
.meta .topics{border:0;gap:18px}
.meta .topic{border:0;border-top:3px solid #625be0;background:#f4f4fa;padding:26px 20px;transition:background .2s}
.meta .topic:hover{background:#eae9f9}
.meta .topic h3{font-family:Arial,'Microsoft YaHei',sans-serif;font-size:20px;font-weight:600}
.meta .num{color:#5d55cc}
.meta .card{border:0;border-bottom:2px solid #d9d6ef;background:white;padding:32px}
.meta .card h3{font-family:Arial,'Microsoft YaHei',sans-serif;font-size:23px}
.meta .card:hover{border-bottom-color:#5148c8}
.meta .band{background:linear-gradient(110deg,#4941bb,#6389dc)}
.meta .band .kicker{color:#d1d5ff}.meta .band p{color:#e3e7ff}
.meta .band .button{background:white;color:#4941bb}
.meta .pagehero{background:linear-gradient(115deg,#eeeefa,#f5f6fc);border-top:12px solid #e7e6f1}
.meta .pagehero h1{font-family:Arial,'Microsoft YaHei',sans-serif;font-weight:600}
.meta footer{background:#29275d;color:#d1d1e6}
.meta footer h3{color:white}
.supplier{display:inline-flex;width:82px;height:82px;aspect-ratio:auto;margin-bottom:14px;align-items:center;justify-content:center;overflow:visible}
.supplier img{display:block;width:82px;height:82px;object-fit:contain;max-width:100%;transform:none}
@media(max-width:1150px){.meta .head{flex-wrap:wrap;padding:20px 0;gap:16px}.meta .brand img{width:390px}.meta .nav{gap:26px}.meta .topics{grid-template-columns:repeat(3,1fr)}.meta .hero-grid{gap:35px}.meta .hero h1{font-size:44px}}
@media(max-width:700px){.meta .head{gap:12px}.meta .brand{padding:8px 10px;max-width:calc(100% - 76px)}.meta .brand img{width:275px}.meta .nav{gap:10px 22px;white-space:normal}.meta .hero{padding:48px 0}.meta .hero-grid{min-height:0}.meta .hero h1{font-size:36px}.meta .figure{min-height:300px;padding:30px}.meta .figure-title{font-size:34px}.meta .topics{grid-template-columns:1fr 1fr;gap:12px}.meta .topic{padding:20px 14px}.meta .topic h3{font-size:18px}.meta .section{padding:44px 0}.meta h2{font-size:26px}.meta .pagehero h1{font-size:32px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.meta .topic{transition:none}}
.supplier{display:block;width:84px;height:84px;margin-bottom:16px;aspect-ratio:auto;overflow:visible}.supplier img{width:100%;height:100%;max-width:100%;object-fit:contain;transform:none}
.institute{--ink:#253a43;--accent:#ae3251;--navy:#173e4e;--paper:#fafafa;--line:#e3e6e8}.institute .topbar{background:#173e4e;color:#e0ebee}.institute .head{flex-wrap:wrap;padding:24px 0 0;gap:22px}.institute .brand img{width:400px}.institute .nav{width:100%;justify-content:space-between;border-top:1px solid var(--line);padding:16px 0;font-size:16px}.institute .nav a{padding:0 8px}.institute .nav a[aria-current=page]{color:var(--accent)}
.portal-hero{position:relative;min-height:560px;display:flex;align-items:center;color:white;background:#173e4e url('/assets/institute-landscape.svg') center/cover no-repeat;overflow:hidden}.portal-hero:before{content:'';position:absolute;inset:0;background:linear-gradient(90deg,#102c3ddd,#173e4e70,transparent)}.portal-hero .wrap{width:100%;position:relative;padding-top:75px;padding-bottom:100px}.portal-hero .kicker{color:#d8c7a2;letter-spacing:4px}.portal-hero h1{font-size:60px;line-height:1.55;letter-spacing:6px}.portal-hero p{color:#e0e8ea;max-width:620px}.portal-hero .button{background:#ae3251}.portal-hero .secondary{border-color:#ffffff88;color:white;background:transparent}.portal-hero .secondary:hover{background:#ffffff20}.portal-shortcuts{display:grid;grid-template-columns:repeat(4,1fr);margin-top:-30px;position:relative;z-index:1;box-shadow:0 8px 24px #173e4e15}.portal-shortcuts a{padding:23px 26px;color:white;display:flex;justify-content:space-between;background:#b64462}.portal-shortcuts a:nth-child(2){background:#4d8cac}.portal-shortcuts a:nth-child(3){background:#359c9d}.portal-shortcuts a:nth-child(4){background:#b58e3c}.portal-shortcuts a:hover{filter:brightness(1.1)}.institute .section-head{border-bottom:1px solid var(--line);padding-bottom:22px}.institute .section-head h2{font-size:32px;letter-spacing:3px}.institute .section-head .kicker{margin-bottom:8px}.portal-news{display:grid;grid-template-columns:1.1fr 1fr;gap:52px}.portal-feature{padding:34px;background:linear-gradient(135deg,#f1e9e4,#e5eff0);border-top:3px solid var(--accent)}.portal-feature h3{font-size:30px;margin:20px 0}.portal-feature p{color:var(--muted)}.portal-news-list a{display:block;border-bottom:1px solid var(--line);padding:18px 0}.portal-news-list small{display:block;color:var(--muted);font-size:12px}.portal-news-list h3{font-size:20px;margin:8px 0}.portal-news-list span{color:var(--accent);font-size:13px}.institute .topic{background:#fff;border:none;border-bottom:1px solid var(--line);padding:30px 24px}.institute .topics{gap:1px;border:none;background:var(--line)}.institute .topic:hover{background:#f5edef}.institute .card{border:0;border-top:2px solid #c6d4da;box-shadow:0 4px 18px #173e4e06}.institute .person-mark{background:#173e4e;color:white}.institute .pagehero{background:linear-gradient(110deg,#edf2f3,#fafafa);border-top:3px solid #ae3251}.institute footer{background:#143440}.institute .band{background:#234b58}.institute .band .button{background:#ae3251;color:white}.institute .band .kicker{color:#dac9aa}.institute .event{padding:24px 0}.institute .event h3{font-size:21px}.institute .event-date strong{font-size:34px}
@media(min-width:1100px){.institute .wrap{max-width:1320px}}
@media(max-width:700px){.institute .head{padding:18px 0}.institute .brand img{width:260px}.institute .nav{display:none;font-size:14px;justify-content:flex-start;padding-bottom:0}.institute .nav.open{display:flex}.portal-hero{min-height:480px}.portal-hero .wrap{padding-top:50px;padding-bottom:65px}.portal-hero h1{font-size:36px;letter-spacing:2px}.portal-hero p{font-size:14px}.portal-shortcuts{grid-template-columns:repeat(2,1fr);margin-top:-20px}.portal-shortcuts a{padding:18px;font-size:14px}.portal-news{grid-template-columns:1fr;gap:20px}.portal-feature{padding:24px}.portal-feature h3{font-size:25px}.institute .section-head h2{font-size:27px}}

@media(min-width:701px){.institute .head{padding-left:44px;padding-right:44px}}