/* v15 — institutional duet: restrained type, Zhiyan blue-violet, no hub-and-spoke diagram */
.organization-v15{
  --i15-ink:#1b2340;
  --i15-text:#53617d;
  --i15-muted:#73809a;
  --i15-line:rgba(64,80,137,.12);
  --i15-blue:#5567ff;
  --i15-violet:#8170f4;
  position:relative;isolation:isolate;overflow:hidden;padding:112px 0 118px;
  border-top:1px solid rgba(74,91,148,.09);border-bottom:1px solid rgba(74,91,148,.09);
  background:
    radial-gradient(900px 560px at 96% 0%,rgba(85,103,255,.095),transparent 68%),
    radial-gradient(720px 520px at 0% 100%,rgba(129,112,244,.055),transparent 68%),
    #f7f9fd;
  color:var(--i15-ink)
}
.organization-v15:before{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(90deg,transparent 0 49.97%,rgba(85,103,255,.025) 50%,transparent 50.03%)}
.organization-v15-head{display:grid;grid-template-columns:minmax(0,.9fr) minmax(360px,.6fr);gap:84px;align-items:end;margin-bottom:38px}
.organization-v15-head h2{margin:0;max-width:720px;font-size:clamp(38px,3.5vw,52px);line-height:1.07;letter-spacing:-.047em;font-weight:840;color:var(--i15-ink)}
.organization-v15-head h2 em{font-style:normal;color:var(--i15-blue)}
.organization-v15-head>p{margin:0 0 4px;max-width:570px;color:var(--i15-text);font-size:15px;line-height:1.85}

.institution-duet{position:relative;display:flex;min-height:650px;border:1px solid var(--i15-line);border-radius:24px;overflow:hidden;background:#fff;box-shadow:0 24px 72px rgba(41,55,108,.09)}
.institution-pane{position:relative;flex:1 1 50%;min-width:0;padding:30px 34px 34px;overflow:hidden;background:#fff;outline:0;transition:flex-basis .62s cubic-bezier(.2,.8,.2,1),background .4s ease}
.institution-pane+.institution-pane{border-left:1px solid var(--i15-line)}
.institution-pane.active{flex-basis:58%;background:linear-gradient(145deg,#fff 0%,#f8f9ff 72%,#f2f4ff 100%)}
.institution-pane:not(.active){flex-basis:42%}
.institution-pane:focus-visible{box-shadow:inset 0 0 0 2px rgba(85,103,255,.55)}
.institution-pane-bg{position:absolute;right:-12px;top:98px;pointer-events:none;user-select:none;opacity:.028;transition:opacity .35s,transform .65s cubic-bezier(.2,.8,.2,1)}
.institution-pane-bg span{font-size:clamp(88px,9vw,150px);font-weight:950;letter-spacing:-.09em;white-space:nowrap;color:#18213d}
.institution-pane.active .institution-pane-bg{opacity:.05;transform:translateX(-14px)}
.institution-pane.hdu.active .institution-pane-bg span{color:#5d57b9}
.institution-pane:after{content:"";position:absolute;left:34px;right:34px;top:87px;height:1px;background:linear-gradient(90deg,var(--i15-blue),rgba(85,103,255,.1),transparent);transform:scaleX(.18);transform-origin:left;opacity:.5;transition:transform .55s cubic-bezier(.2,.8,.2,1)}
.institution-pane.hdu:after{background:linear-gradient(90deg,var(--i15-violet),rgba(129,112,244,.1),transparent)}
.institution-pane.active:after{transform:scaleX(1);opacity:.8}
.institution-pane-head{position:relative;z-index:3;display:flex;align-items:center;justify-content:space-between;min-height:40px}
.institution-index{display:flex;align-items:center;gap:10px;color:#64718b;font-size:11px;font-weight:760;letter-spacing:.04em}
.institution-index i{width:7px;height:7px;border-radius:50%;background:var(--i15-blue);box-shadow:0 0 0 5px rgba(85,103,255,.075)}
.institution-pane.hdu .institution-index i{background:var(--i15-violet);box-shadow:0 0 0 5px rgba(129,112,244,.075)}
.institution-pane-head button{min-height:40px;padding:0 4px;border:0;background:transparent;color:#5f6d88;font-size:11px;font-weight:760;cursor:pointer;transition:color .2s,transform .2s}
.institution-pane-head button:hover{color:var(--i15-blue);transform:translateX(2px)}.institution-pane-head button b{margin-left:7px;font-size:14px}
.institution-pane-copy{position:relative;z-index:2;max-width:630px;margin-top:58px}
.institution-pane-copy>small{display:block;max-width:590px;color:#6a77a0;font-size:10px;font-weight:800;line-height:1.45;letter-spacing:.11em}
.institution-pane-copy h3{margin:12px 0 16px;font-size:clamp(31px,2.8vw,43px);line-height:1.08;letter-spacing:-.045em;font-weight:850;color:var(--i15-ink)}
.institution-pane.hdu .institution-pane-copy h3{max-width:530px}
.institution-pane-copy p{margin:0;max-width:600px;color:var(--i15-text);font-size:14px;line-height:1.85}
.institution-inline-meta{display:flex;flex-wrap:wrap;gap:0;margin-top:21px;color:#52607b;font-size:11px;font-weight:720}
.institution-inline-meta span{display:flex;align-items:center}.institution-inline-meta span+span:before{content:"";width:3px;height:3px;margin:0 11px;border-radius:50%;background:#9ba5b9}

.institution-visual{position:absolute;z-index:2;left:34px;right:34px;bottom:32px;height:220px;border-top:1px solid rgba(64,80,137,.10)}
.engineering-visual{perspective:900px;overflow:hidden}
.engineering-layer{position:absolute;left:0;width:min(520px,78%);height:47px;padding:0 15px;display:grid;grid-template-columns:30px 1fr auto;align-items:center;border:1px solid rgba(85,103,255,.12);border-radius:12px;background:rgba(249,250,255,.94);box-shadow:0 12px 28px rgba(55,68,125,.055);transform-origin:left center;transition:transform .55s cubic-bezier(.2,.8,.2,1),border-color .3s,box-shadow .3s}
.engineering-layer small{color:#7a86a1;font-size:9px;font-weight:800}.engineering-layer b{font-size:12px;color:#2d3855}.engineering-layer span{color:#8a95a9;font-size:9px;letter-spacing:.04em}
.engineering-layer.l1{top:24px;transform:translateX(0)}.engineering-layer.l2{top:74px;transform:translateX(22px)}.engineering-layer.l3{top:124px;transform:translateX(44px)}.engineering-layer.l4{top:174px;transform:translateX(66px)}
.institution-pane.active .engineering-layer{border-color:rgba(85,103,255,.19);box-shadow:0 14px 34px rgba(55,68,125,.075)}
.institution-pane.active .engineering-layer.l1{transform:translateX(4px)}.institution-pane.active .engineering-layer.l2{transform:translateX(31px)}.institution-pane.active .engineering-layer.l3{transform:translateX(58px)}.institution-pane.active .engineering-layer.l4{transform:translateX(85px)}
.engineering-axis{position:absolute;right:8%;top:22px;bottom:16px;width:50px}.engineering-axis:before{content:"";position:absolute;left:24px;top:0;bottom:0;width:1px;background:linear-gradient(var(--i15-blue),rgba(85,103,255,.08))}.engineering-axis i{position:absolute;left:20px;width:9px;height:9px;border:2px solid #fff;border-radius:50%;background:var(--i15-blue);box-shadow:0 0 0 4px rgba(85,103,255,.09)}.engineering-axis i:nth-child(1){top:13px}.engineering-axis i:nth-child(2){top:63px}.engineering-axis i:nth-child(3){top:113px}.engineering-axis i:nth-child(4){top:163px}
.engineering-scan{position:absolute;left:0;right:11%;top:15px;height:54px;background:linear-gradient(180deg,transparent,rgba(85,103,255,.045),transparent);animation:institutionScan 4.4s ease-in-out infinite}
@keyframes institutionScan{0%,10%{transform:translateY(-35px);opacity:0}35%,70%{opacity:1}90%,100%{transform:translateY(185px);opacity:0}}

.academic-visual{overflow:hidden}.academic-visual svg{position:absolute;inset:12px 0 0;width:100%;height:195px;overflow:visible}.academic-path{fill:none;stroke:rgba(110,100,218,.18);stroke-width:1.5;stroke-dasharray:6 8;stroke-linecap:round;animation:academicFlow 13s linear infinite}.academic-path.p2{stroke:rgba(85,103,255,.18);animation-duration:17s;animation-direction:reverse}.academic-path.p3{stroke:rgba(129,112,244,.11);animation-duration:21s}@keyframes academicFlow{to{stroke-dashoffset:-160}}
.academic-dot{fill:#8170f4;stroke:#fff;stroke-width:4;filter:drop-shadow(0 5px 10px rgba(92,85,191,.16))}.academic-dot.d2,.academic-dot.d4{fill:#5567ff}
.academic-label{position:absolute;padding:6px 9px;border:1px solid rgba(90,103,181,.11);border-radius:8px;background:rgba(255,255,255,.88);box-shadow:0 8px 18px rgba(55,68,125,.045);color:#52607b;font-size:10px;font-weight:760}.academic-label.a1{left:8%;top:55%}.academic-label.a2{left:39%;top:23%}.academic-label.a3{right:29%;top:65%}.academic-label.a4{right:4%;top:27%}
.academic-tracer{position:absolute;width:9px;height:9px;border-radius:50%;background:#5567ff;box-shadow:0 0 0 6px rgba(85,103,255,.07),0 0 18px rgba(85,103,255,.28);animation:academicTracer 7s cubic-bezier(.3,.7,.3,1) infinite}.academic-tracer.t1{left:10%;top:64%}.academic-tracer.t2{left:58%;top:40%;animation-delay:-3.2s;background:#8170f4}@keyframes academicTracer{0%{transform:translate(0,20px);opacity:0}18%{opacity:1}55%{transform:translate(190px,-70px)}85%{opacity:1}100%{transform:translate(360px,-12px);opacity:0}}

.institution-v15-footer{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;margin-top:16px;padding:0 8px}
.institution-v15-footer>div{display:grid;grid-template-columns:auto auto 1fr;align-items:baseline;gap:11px;min-width:0}.institution-v15-footer>div:last-child{text-align:right;grid-template-columns:1fr auto auto}.institution-v15-footer small{font-size:8px;font-weight:800;letter-spacing:.12em;color:#8390a8}.institution-v15-footer strong{font-size:12px;color:#34415f}.institution-v15-footer span{font-size:10px;color:#7b879d;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.institution-v15-footer>i{display:flex;align-items:center;gap:10px;margin:0 24px;color:#5969df;font-style:normal}.institution-v15-footer>i span{display:block;width:54px;height:1px;background:linear-gradient(90deg,transparent,rgba(85,103,255,.35))}.institution-v15-footer>i span:last-child{transform:scaleX(-1)}.institution-v15-footer>i b{font-size:11px;white-space:nowrap}

html[data-theme="dark"] .organization-v15{--i15-ink:#f1f4ff;--i15-text:#aeb8ce;--i15-muted:#8e9ab4;--i15-line:rgba(166,178,219,.12);background:radial-gradient(850px 560px at 96% 0%,rgba(85,103,255,.11),transparent 68%),#0e1529}
html[data-theme="dark"] .institution-duet{background:#121b33;box-shadow:0 28px 76px rgba(0,0,0,.24)}html[data-theme="dark"] .institution-pane{background:#121b33}html[data-theme="dark"] .institution-pane.active{background:linear-gradient(145deg,#151e38,#11192f)}html[data-theme="dark"] .institution-pane-bg span{color:#eef2ff}
html[data-theme="dark"] .institution-pane-copy>small{color:#8f9aca}html[data-theme="dark"] .institution-inline-meta{color:#a8b2c7}html[data-theme="dark"] .engineering-layer{background:rgba(19,29,54,.95);border-color:rgba(129,144,211,.13)}html[data-theme="dark"] .engineering-layer b{color:#e7ebf8}html[data-theme="dark"] .engineering-layer small,html[data-theme="dark"] .engineering-layer span{color:#909bb4}html[data-theme="dark"] .academic-label{background:rgba(18,27,51,.92);border-color:rgba(148,160,206,.12);color:#b6c0d4}html[data-theme="dark"] .institution-v15-footer strong{color:#dde3f2}

@media(max-width:1100px){.organization-v15-head{grid-template-columns:1fr;gap:18px}.institution-duet{min-height:760px;flex-direction:column}.institution-pane,.institution-pane.active,.institution-pane:not(.active){flex-basis:auto;min-height:380px}.institution-pane+.institution-pane{border-left:0;border-top:1px solid var(--i15-line)}.institution-visual{left:50%;right:28px;bottom:24px;height:205px}.institution-pane-copy{max-width:45%;margin-top:42px}.institution-pane-copy p{font-size:13px}.institution-v15-footer{display:none}}
@media(max-width:720px){.organization-v15{padding:84px 0 88px}.organization-v15-head h2{font-size:38px}.organization-v15-head>p{font-size:14px}.institution-duet{border-radius:20px}.institution-pane{padding:24px 22px 26px;min-height:590px}.institution-pane-copy{max-width:none;margin-top:42px}.institution-pane-copy h3{font-size:31px}.institution-visual{left:22px;right:22px;bottom:20px;height:220px}.engineering-layer{width:82%;grid-template-columns:26px 1fr}.engineering-layer span{display:none}.institution-pane-bg{top:116px}.institution-pane-head button{font-size:10px}}
@media(prefers-reduced-motion:reduce){.engineering-scan,.academic-path,.academic-tracer{animation:none!important}.institution-pane,.engineering-layer{transition:none!important}}