@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Noto+Sans+TC:wght@400;500;600;700;800&display=swap');
:root{font-family:'DM Sans','Noto Sans TC',sans-serif;color:#f5f3e8;background:#d8dfd3}*{box-sizing:border-box}html,body,#app{margin:0;width:100%;height:100%;overflow:hidden}button,input{font:inherit}button{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #e9bd63;outline-offset:3px}#app{position:relative;isolation:isolate}#scene{position:absolute;inset:0;width:100%;height:100%;display:block;touch-action:none}.wash{position:absolute;inset:0;pointer-events:none;background:linear-gradient(90deg,rgba(18,37,34,.52),transparent 37%,transparent 72%,rgba(18,37,34,.09)),linear-gradient(0deg,rgba(18,37,34,.18),transparent 18%)}.topbar{pointer-events:none;position:absolute;top:0;left:0;right:0;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:24px 30px;z-index:10}.brand{display:flex;align-items:center;gap:12px;background:rgba(20,39,38,.9);border:1px solid rgba(255,255,255,.13);color:#fff;border-radius:14px;padding:9px 17px 9px 9px;text-align:left;box-shadow:0 12px 34px #18252330}.brand-mark{position:relative;display:grid;place-items:center;width:43px;height:43px;border-radius:10px;background:#f4f0db;color:#173731;font-weight:800;font-size:24px}.brand-sun{position:absolute;right:5px;top:6px;width:6px;height:6px;background:#e4a639;border-radius:50%}.brand strong{display:block;font-size:14px;letter-spacing:.09em}.brand small{display:block;color:#b9c8bc;font-size:9px;letter-spacing:.1em;margin-top:2px}.topbar button{pointer-events:auto}.top-actions{display:flex;align-items:center;gap:7px}.top-actions button{height:42px;border:1px solid rgba(255,255,255,.13);background:rgba(20,39,38,.88);color:#e8eee7;box-shadow:0 12px 26px #18312522}.icon-btn{display:flex;align-items:center;gap:10px;border-radius:11px;padding:0 15px;min-width:205px}.icon-btn svg,.modal-search-row svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:2;flex:none}.icon-btn span{margin-right:auto;font-size:12px}.icon-btn kbd{font-size:11px;opacity:.6}.top-btn{border-radius:10px;padding:0 17px;font-size:12px;font-weight:700}.top-btn.active{background:#e6ae4d;color:#183129;border-color:#e6ae4d}.round-btn{border-radius:12px;width:42px;font-weight:800}.panel{background:rgba(20,39,38,.92);border:1px solid rgba(244,249,241,.12);box-shadow:0 24px 50px #152f2b3f;backdrop-filter:blur(16px)}.intro{position:absolute;z-index:5;top:122px;left:30px;width:338px;padding:28px 27px 23px;border-radius:18px;transition:transform .35s,opacity .35s}.intro.minimized{transform:translateX(-120%);opacity:0;pointer-events:none}.eyebrow{display:flex;align-items:center;gap:10px;margin:0;color:#efc579;font-size:11px;font-weight:700;letter-spacing:.12em}.eyebrow-line{display:inline-block;width:23px;height:1px;background:#e5b657}.intro h1{font-size:clamp(34px,4vw,54px);line-height:1.16;letter-spacing:.055em;margin:19px 0 14px;font-weight:800}.intro h1 em{font-style:normal;color:#f0c16c}.lede{font-size:13px;line-height:1.85;color:#d4ded6;margin:0}.intro-actions{display:flex;gap:8px;margin-top:22px}.primary-btn,.subtle-btn{height:42px;border-radius:9px;padding:0 17px;font-size:12px;font-weight:800;display:flex;align-items:center;gap:21px}.primary-btn{background:#ecc16a;border:1px solid #ecc16a;color:#1e332d}.primary-btn span,.subtle-btn span{font-size:18px;line-height:1}.subtle-btn{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.17);color:#f2f6f0}.intro-rule{height:1px;background:rgba(255,255,255,.15);margin:23px 0 17px}.fine-print{font-size:10px;line-height:1.8;color:#aabbb0;margin:0}.scene-caption{position:absolute;z-index:3;left:392px;top:132px;color:#213e36;background:rgba(249,249,233,.88);border:1px solid #ffffffa6;border-radius:99px;padding:8px 13px;font-size:11px;font-weight:700;box-shadow:0 6px 20px #16382b1c;display:flex;align-items:center;gap:8px}.live-dot{width:7px;height:7px;background:#5f9860;border-radius:50%;box-shadow:0 0 0 3px #5f986027}.caption-sep{color:#9aab9b}.detail{position:absolute;z-index:6;top:122px;right:30px;width:292px;padding:26px;border-radius:18px;transition:opacity .25s,transform .25s}.detail.hidden{opacity:0;transform:translateX(120%);pointer-events:none}.close-btn{position:absolute;top:15px;right:17px;border:0;background:transparent;color:#c9d2c8;font-size:26px;line-height:1}.detail-index{font-size:11px;color:#8ea698;margin-top:26px;letter-spacing:.12em}.detail h2{font-size:26px;letter-spacing:.05em;margin:8px 0 12px}.detail p:not(.eyebrow){font-size:12px;line-height:1.85;color:#cbd8ce;margin:0}.detail-meta{display:flex;justify-content:space-between;align-items:center;border-top:1px solid #ffffff24;margin-top:23px;padding-top:15px;font-size:11px;color:#9eb4a8}.detail-meta strong{color:#f1ca79;font-size:11px}.detail-next{width:100%;margin-top:21px;padding:12px 0;background:transparent;border:1px solid #ffffff36;border-radius:8px;color:#f7f5e7;font-size:12px;font-weight:700;display:flex;justify-content:center;gap:18px}.north{position:absolute;right:32px;top:136px;z-index:2;width:46px;height:46px;border:1px solid #31554855;color:#315548;background:#f4f4eacc;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;box-shadow:0 7px 18px #1c392528}.north i{position:absolute;top:5px;width:0;height:0;border-left:4px solid transparent;border-right:4px solid transparent;border-bottom:6px solid #bd7548}.control-stack{position:absolute;z-index:5;right:30px;bottom:174px;display:grid;gap:1px;background:rgba(19,39,37,.9);padding:5px;border-radius:12px;border:1px solid #ffffff28}.control-stack button{display:grid;place-items:center;border:0;background:transparent;color:#fff;width:31px;height:31px;font-size:22px}.control-stack button:hover{background:#ffffff1f;border-radius:6px}.control-stack svg{width:17px;fill:none;stroke:currentColor;stroke-width:1.8}.places{position:absolute;z-index:5;bottom:44px;right:30px;width:min(660px,calc(100vw - 410px));border-radius:15px;padding:14px 16px 15px}.places-head{display:flex;justify-content:space-between;margin-bottom:11px;color:#f4f5e9;font-weight:700;font-size:11px;letter-spacing:.08em}.places-head span:last-child{color:#a7b9ac;font-weight:500}.places-scroll{display:flex;gap:7px;overflow:auto;scrollbar-width:thin;padding-bottom:2px}.place-chip{flex:none;display:flex;align-items:center;gap:8px;background:#ffffff0d;color:#e9f0e8;border:1px solid #ffffff20;border-radius:8px;padding:9px 11px;font-size:11px;font-weight:600;white-space:nowrap}.place-chip:hover,.place-chip.active{background:#e8bd68;color:#173129;border-color:#e8bd68}.chip-number{font-size:9px;opacity:.62}.footer{position:absolute;left:30px;right:30px;bottom:16px;display:flex;justify-content:space-between;z-index:3;color:#f2f3e7;font-size:10px;letter-spacing:.06em;text-shadow:0 1px 5px #1a3329}.footer-source{opacity:.8}.scene-labels{pointer-events:none}.label{position:absolute;z-index:2;transform:translate(-50%,-100%);padding:6px 9px;border-radius:6px;background:#17312cea;color:#f5f5ed;box-shadow:0 5px 13px #16332955;font-size:10px;font-weight:700;white-space:nowrap;border:1px solid #ffffff33;pointer-events:auto;cursor:pointer;transition:background .2s,transform .2s}.label:hover,.label.active{background:#e7bc68;color:#17312c;transform:translate(-50%,-100%) scale(1.08)}.label:after{content:'';position:absolute;left:50%;bottom:-5px;transform:translateX(-50%) rotate(45deg);width:7px;height:7px;background:inherit}.modal-backdrop{position:absolute;inset:0;z-index:30;background:rgba(11,28,27,.58);backdrop-filter:blur(6px);display:flex;align-items:flex-start;justify-content:center;padding:14vh 20px 20px}.modal-backdrop.hidden{display:none}.search-modal,.about-modal{position:relative;width:min(560px,100%);background:#f8f6ed;color:#1b342d;border-radius:18px;box-shadow:0 28px 80px #0b201e70;padding:21px}.modal-search-row{display:flex;align-items:center;gap:11px;border:1px solid #cbd3c9;border-radius:10px;padding:12px 13px;color:#62786b}.modal-search-row input{width:100%;border:0;background:transparent;outline:0;color:#18332b;font-size:14px}.modal-search-row button{background:#e8ece4;border:0;border-radius:5px;color:#5d7165;font-size:10px;padding:5px}.search-modal h2{font-size:12px;margin:22px 5px 9px;color:#607669}.search-results{max-height:45vh;overflow:auto}.result{width:100%;background:transparent;border:0;border-top:1px solid #e2e5da;padding:13px 6px;text-align:left;display:flex;justify-content:space-between;align-items:center;color:#1c382f;font-size:13px;font-weight:700}.result:hover{background:#eef0e7}.result small{color:#819488;font-weight:500}.no-results{color:#64776d;font-size:12px;padding:18px 6px}.about-modal{padding:32px;width:min(520px,100%)}.about-modal .eyebrow{color:#af7834}.about-modal h2{font-size:25px;margin:17px 0}.about-modal p:not(.eyebrow){font-size:12px;line-height:1.9;color:#52665b}.about-modal kbd{background:#e3e9dc;padding:2px 5px;border-radius:3px}.about-modal .close-btn{color:#587064}.source-links{display:flex;flex-wrap:wrap;gap:7px;margin-top:20px}.source-links a{text-decoration:none;color:#284e3c;border:1px solid #bdccba;border-radius:7px;padding:8px 10px;font-size:11px;font-weight:700}.source-links a:hover{background:#e2eadc}@media(max-width:850px){.topbar{padding:14px;align-items:flex-start}.brand{padding:6px 10px 6px 6px}.brand-mark{width:36px;height:36px;font-size:20px}.brand strong{font-size:11px}.brand small{font-size:7px}.top-actions{gap:5px}.icon-btn{min-width:42px;width:42px;padding:0;justify-content:center}.icon-btn span,.icon-btn kbd{display:none}.top-btn{padding:0 10px;font-size:10px}.round-btn{width:38px}.top-actions button{height:38px}.intro{top:87px;left:14px;width:min(315px,calc(100vw - 28px));padding:19px}.intro h1{font-size:34px;margin:12px 0}.intro .lede{font-size:11px}.intro-actions{margin-top:15px}.intro-rule{margin:15px 0 10px}.fine-print{font-size:9px}.scene-caption{left:14px;top:auto;bottom:173px}.detail{top:auto;bottom:176px;right:14px;width:min(292px,calc(100vw - 28px));padding:19px}.detail h2{font-size:21px}.north{top:92px;right:15px}.control-stack{right:14px;bottom:242px}.places{left:14px;right:14px;bottom:45px;width:auto;padding:11px}.footer{left:14px;right:14px;bottom:17px;font-size:9px}}@media(max-width:570px){.topbar{align-items:flex-start}.brand small{display:none}.brand{gap:7px}.top-actions{flex-wrap:wrap;justify-content:flex-end;max-width:180px}.top-btn{height:31px!important}.round-btn,.icon-btn{height:31px!important;width:31px}.intro{top:115px;width:250px}.intro h1{font-size:30px}.intro .lede{line-height:1.65}.intro-actions{flex-direction:column}.primary-btn,.subtle-btn{justify-content:space-between;height:36px}.fine-print{display:none}.scene-caption{bottom:170px}.detail{bottom:174px}.control-stack{bottom:235px}.label{font-size:9px;padding:5px 6px}.footer-source{display:none}}
.footer-credit{color:inherit;text-decoration:underline;text-underline-offset:2px;white-space:nowrap;font-weight:700}.footer-credit:hover{color:#f0c16c}@media(max-width:570px){.footer-help{display:none}}
.intro-toggle{position:absolute;z-index:7;top:150px;left:367px;width:34px;height:55px;border:1px solid #ffffff30;border-left:0;border-radius:0 10px 10px 0;background:#17312ded;color:#f0c16c;font-size:22px;font-weight:700;box-shadow:8px 8px 24px #10282145;transition:left .35s,background .2s}.intro-toggle:hover{background:#284a3e}.intro-toggle.collapsed{left:0}.intro.minimized{visibility:hidden;transition:transform .35s,opacity .35s,visibility 0s .35s}@media(max-width:850px){.intro-toggle{top:105px;left:min(328px,calc(100vw - 14px))}}@media(max-width:570px){.intro-toggle{top:131px;left:263px}}

/* Folding panels must not turn the scene viewport into a focus-scroll container. */
#app{overflow:clip}

/* Phone overview: compact, stable controls and numbered campus markers. */
@media(max-width:570px){
  html,body,#app{height:100%;height:100dvh}
  .topbar{display:grid;grid-template-columns:1fr;padding:12px;gap:8px}
  .brand{width:max-content;max-width:100%;padding:5px 10px 5px 5px}
  .brand strong{white-space:nowrap;font-size:12px;letter-spacing:.03em}
  .brand-mark{width:32px;height:32px}
  .top-actions{max-width:none;flex-wrap:nowrap;justify-content:flex-start;gap:6px}
  .top-actions button{height:36px!important}.top-actions .top-btn{flex:1;padding:0 9px;font-size:11px}
  .top-actions .icon-btn,.top-actions .round-btn{flex:none;width:36px;min-width:36px}
  .control-stack{right:10px;bottom:118px;padding:3px}
  .control-stack button{width:32px;height:34px}
  .mobile-overview .label{width:max-content;max-width:190px;white-space:pre-line;line-height:1.4;font-size:10px}
  .mobile-overview .compact-marker{min-width:27px;height:25px;padding:4px 6px;border-radius:7px;white-space:nowrap!important;text-align:center;font-size:11px;line-height:15px}
  .mobile-overview .label.active{z-index:4;transform:translate(-50%,-100%)}
  .intro{top:112px}
}

@media(max-width:570px){#app .top-actions{max-width:none;width:100%}#app .top-actions .top-btn{white-space:nowrap}}