@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@400;500;600&display=swap');
:root{color-scheme:dark;--ink:#f6e8c9;--muted:#c7b99e;--line:rgba(235,202,144,.25);--glass:rgba(20,12,10,.76);--gold:#e8c785;--red:#47181a}
*{box-sizing:border-box}html,body{height:100%;margin:0}body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft Yahei",sans-serif;background:#170d0b;color:var(--ink)}button,a{font:inherit}button{cursor:pointer}button:focus-visible,a:focus-visible{outline:2px solid var(--gold);outline-offset:3px}.museum-app{position:relative;isolation:isolate;min-height:100dvh;overflow:hidden}.museum-canvas,.museum-canvas canvas{position:absolute;inset:0;width:100%;height:100%;display:block;touch-action:none}.museum-canvas{background:radial-gradient(circle at 50% 40%,#6b2a20,#1d0e0d 72%)}.museum-wash{position:absolute;inset:0;pointer-events:none;background:linear-gradient(180deg,rgba(12,7,6,.78),transparent 18%,transparent 66%,rgba(10,7,6,.86)),linear-gradient(90deg,rgba(10,7,6,.45),transparent 24%,transparent 76%,rgba(10,7,6,.38))}
.topbar{position:absolute;z-index:10;inset:0 0 auto;min-height:82px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;padding:14px clamp(16px,3vw,48px);border-bottom:1px solid var(--line);background:linear-gradient(90deg,rgba(31,12,12,.84),rgba(30,12,10,.53));backdrop-filter:blur(12px)}.return-link{justify-self:start;display:flex;gap:10px;align-items:center;color:var(--muted);text-decoration:none;font-size:13px;letter-spacing:.12em}.return-link>span:first-child{font-size:23px;color:var(--gold)}.return-link:hover,.text-link:hover{color:#fff}.topbar-brand{text-align:center;display:grid;gap:3px}.topbar-brand small,.entry-kicker,.artifact-number,.artifact-kicker,.drawer-head small,.detail-copy>small{font-size:9px;letter-spacing:.3em;color:var(--gold)}.topbar-brand strong{font:500 clamp(18px,1.7vw,27px) "Noto Serif SC",serif;letter-spacing:.16em}.index-trigger{justify-self:end;display:flex;gap:12px;align-items:center;padding:10px 14px;border:1px solid var(--line);color:var(--ink);background:rgba(9,7,6,.44);font-size:12px;letter-spacing:.12em}.index-trigger b{font-size:11px;color:var(--gold)}.index-trigger>span:last-child{font-size:18px}.index-trigger:hover,.museum-controls button:hover{border-color:var(--gold);color:#fff}
.entry-kicker{position:absolute;z-index:3;top:110px;left:clamp(16px,3vw,48px);color:#f1d4a4;text-shadow:0 2px 8px #110706}.entry-kicker span{padding:0 8px}.artifact-panel{position:absolute;z-index:4;right:clamp(16px,3vw,48px);top:calc(50% - 162px);width:min(340px,27vw);padding:23px 24px 22px;border:1px solid var(--line);background:linear-gradient(145deg,rgba(24,13,13,.87),rgba(27,15,13,.52));backdrop-filter:blur(10px);box-shadow:0 24px 70px rgba(0,0,0,.24)}.artifact-number{font-size:10px}.artifact-kicker{margin:24px 0 7px;color:#baad95;letter-spacing:.16em;line-height:1.5}.artifact-panel h1{margin:0;font:500 clamp(26px,2.65vw,42px) "Noto Serif SC",serif;letter-spacing:.08em;line-height:1.3}.artifact-meta{margin:11px 0 0;font-size:12px;color:#d4c6ae;line-height:1.7}.artifact-divider{display:block;width:58px;height:1px;background:var(--gold);margin:20px 0 16px}.artifact-note{min-height:44px;margin:0;font-size:12px;color:#dbd0be;line-height:1.8}.text-link{padding:0;margin-top:17px;border:0;background:transparent;color:var(--gold);font-size:12px;letter-spacing:.1em}.text-link span{margin-left:8px}
.guide-panel{position:absolute;z-index:4;left:clamp(16px,3vw,48px);bottom:134px;width:min(415px,33vw);display:flex;align-items:start;gap:13px;padding:13px 14px;background:linear-gradient(90deg,rgba(18,11,10,.76),rgba(18,11,10,.39));border-left:1px solid var(--gold);backdrop-filter:blur(8px)}.guide-emblem{display:grid;place-items:center;width:34px;height:34px;flex:0 0 auto;border:1px solid var(--gold);color:var(--gold);font:600 18px "Noto Serif SC",serif}.guide-panel b{font-size:12px;letter-spacing:.12em;color:#e6cb92}.guide-panel p{margin:5px 0 4px;font-size:11px;line-height:1.7;color:#e6dccb}.guide-panel small{color:#a9a08d;font-size:10px}.guide-panel>button{margin-left:auto;border:1px solid var(--line);background:transparent;color:var(--gold);width:29px;height:29px;flex:0 0 auto;border-radius:50%}.guide-panel>button:hover{background:#69482e}
.loading-panel{position:absolute;z-index:8;left:50%;top:50%;transform:translate(-50%,-50%);display:grid;justify-items:center;gap:10px;min-width:230px;padding:26px;border:1px solid var(--line);background:rgba(17,10,9,.87);box-shadow:0 25px 60px #110706}.loading-panel[hidden]{display:none}.loading-panel b{font:400 20px "Noto Serif SC",serif}.loading-panel small{font-size:11px;color:var(--muted)}.loading-ring{width:34px;height:34px;border:1px solid rgba(232,199,133,.3);border-top-color:var(--gold);border-radius:50%;animation:spin 1.1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}
.museum-controls{position:absolute;z-index:6;left:50%;bottom:42px;transform:translateX(-50%);display:flex;align-items:stretch;gap:7px;max-width:calc(100vw - 24px);padding:7px;border:1px solid var(--line);background:rgba(14,9,8,.76);backdrop-filter:blur(12px);box-shadow:0 14px 50px #0005}.museum-controls button{white-space:nowrap;min-height:43px;padding:8px clamp(9px,1.2vw,18px);border:1px solid var(--line);background:rgba(28,19,16,.75);color:#e3d1af;font-size:11px;letter-spacing:.08em}.museum-controls button.primary{border-color:#d6ae6b;background:linear-gradient(135deg,#caa769,#947247);color:#1b110b;font-weight:700}.museum-controls button[hidden]{display:none}.museum-controls button.active{background:#335f56;border-color:#79b3a6;color:white}.interaction-hint{position:absolute;z-index:3;left:50%;bottom:15px;transform:translateX(-50%);margin:0;white-space:nowrap;color:#c7b89f;font-size:10px;letter-spacing:.13em;text-shadow:0 1px 6px #000}
.collection-drawer{position:absolute;z-index:12;top:0;right:0;bottom:0;width:min(410px,92vw);display:flex;flex-direction:column;background:#160e0d;border-left:1px solid var(--line);transform:translateX(102%);transition:transform .35s ease;box-shadow:-20px 0 80px #0006}.collection-drawer.open{transform:none}.drawer-head{display:flex;justify-content:space-between;align-items:start;padding:32px 28px 19px;border-bottom:1px solid var(--line)}.drawer-head h2{margin:9px 0 0;font:400 27px "Noto Serif SC",serif}.drawer-head button,.detail-close{border:0;background:none;color:var(--ink);font-size:28px}.collection-list{overflow:auto;padding:10px 16px;flex:1}.collection-list button{width:100%;display:grid;grid-template-columns:37px 1fr;gap:7px;align-items:center;padding:12px 10px;border:0;border-bottom:1px solid rgba(235,202,144,.11);background:transparent;color:#e5d8c1;text-align:left}.collection-list button:hover,.collection-list button.active{background:rgba(232,199,133,.11)}.collection-list b{font-size:10px;color:var(--gold);letter-spacing:.12em}.collection-list strong{display:block;font:400 15px "Noto Serif SC",serif}.collection-list small{display:block;margin-top:4px;color:#aaa08f;font-size:10px}.drawer-foot{padding:0 28px 20px;color:#968c7c;font-size:11px}.drawer-scrim{position:absolute;z-index:11;inset:0;background:rgba(0,0,0,.35)}
.detail-modal{position:absolute;z-index:20;inset:0;display:grid;place-items:center;padding:24px;background:rgba(8,7,6,.74);backdrop-filter:blur(8px)}.detail-modal[hidden]{display:none}.detail-card{position:relative;width:min(1080px,96vw);max-height:min(85dvh,850px);display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);overflow:auto;border:1px solid var(--line);background:#211513;box-shadow:0 35px 120px #0008}.detail-close{position:absolute;z-index:2;right:15px;top:9px}.detail-visual{position:relative;min-height:500px;display:grid;place-items:center;background:radial-gradient(circle at 50% 42%,#66503c,#1b1714 72%)}.detail-visual img{max-width:100%;max-height:68dvh;object-fit:contain}.detail-visual-label{position:absolute;left:20px;bottom:18px;color:#f2dcc0;font-size:10px;letter-spacing:.2em}.detail-copy{padding:clamp(26px,4vw,58px);overflow:auto}.detail-copy h2{font:400 clamp(28px,3vw,44px) "Noto Serif SC",serif;margin:17px 0 10px}.detail-status{color:#d0b174;font-size:11px}.detail-facts{display:grid;grid-template-columns:1fr 1fr;gap:15px 19px;margin:34px 0;padding:23px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.detail-facts div{display:grid;gap:5px}.detail-facts b{color:#a89a84;font-weight:400;font-size:10px}.detail-facts span{color:#ece0cb;font-size:11px;line-height:1.6}.detail-description{line-height:2;color:#eadfcb;font-size:13px}.detail-attribution{color:#a89d8d;font-size:10px;line-height:1.8}.detail-copy>a{display:inline-block;margin-top:10px;color:#e9c481;text-decoration:none;font-size:12px}
@media(max-width:900px){.topbar{grid-template-columns:1fr auto;min-height:70px}.topbar-brand{grid-column:1;grid-row:1;justify-self:start;text-align:left;margin-left:87px}.topbar-brand strong{font-size:16px}.topbar-brand small{font-size:7px}.return-link{position:absolute;left:12px;top:17px;font-size:0}.return-link>span:first-child{font-size:22px}.index-trigger{grid-column:2;grid-row:1;padding:8px}.index-trigger>span:first-child{display:none}.entry-kicker{top:84px;font-size:8px}.artifact-panel{top:118px;right:12px;width:min(280px,52vw);padding:13px}.artifact-panel h1{font-size:24px}.artifact-kicker{margin-top:10px;font-size:7px}.artifact-meta,.artifact-note,.text-link{font-size:10px}.artifact-divider{margin:12px 0}.guide-panel{left:12px;bottom:123px;width:min(300px,55vw);padding:9px}.guide-panel p,.guide-panel small{display:none}.guide-panel b{font-size:10px}.guide-panel>button{width:27px;height:27px}.museum-controls{bottom:38px;width:calc(100vw - 14px);overflow:auto;justify-content:flex-start}.museum-controls button{font-size:10px;min-height:39px}.interaction-hint{bottom:12px;font-size:8px}.detail-card{grid-template-columns:1fr;max-height:90dvh}.detail-visual{min-height:260px}.detail-visual img{max-height:35dvh}.detail-copy{padding:26px}.detail-facts{margin:22px 0}}
@media(max-width:560px){.topbar-brand{margin-left:36px}.topbar-brand small{display:none}.topbar-brand strong{font-size:15px}.artifact-panel{top:auto;bottom:176px;left:12px;right:auto;width:calc(100vw - 24px);padding:11px 13px;background:rgba(20,12,11,.72)}.artifact-panel h1{font-size:21px}.artifact-kicker,.artifact-divider,.artifact-note{display:none}.artifact-meta{margin:3px 0}.artifact-number{font-size:8px}.text-link{margin-top:5px}.guide-panel{bottom:134px;width:calc(100vw - 24px);min-height:36px}.museum-controls{bottom:36px}.interaction-hint{font-size:7px;letter-spacing:0}.detail-facts{grid-template-columns:1fr 1fr}}
@media(prefers-reduced-motion:reduce){.loading-ring{animation:none}.collection-drawer{transition:none}}