:root{--ink:#1d2c40;--muted:#6e7886;--line:#e5e8ed;--bg:#f5f6f8;--blue:#355e90;--paper:#fff;--radius:12px;font-family:Inter,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);font-size:16px}*{box-sizing:border-box}body{margin:0;background:var(--bg)}button,input,textarea,select{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}button{cursor:pointer}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #82a5d3;outline-offset:3px}button:disabled{opacity:.55;cursor:wait}[hidden]{display:none!important}.sidebar{position:fixed;width:228px;inset:0 auto 0 0;padding:36px 22px;background:#fff;border-right:1px solid var(--line);display:flex;flex-direction:column}.brand{display:flex;align-items:center;gap:12px;font-size:20px;font-weight:650;letter-spacing:.03em}.brand-mark{display:grid;place-items:center;background:var(--ink);color:#fff;border-radius:9px;width:42px;height:45px;font-family:serif;font-size:26px}.brand small{display:block;font-size:10px;letter-spacing:.15em;color:#9098a3;margin-top:5px}.nav-caption{font-size:12px;color:#929aa5;letter-spacing:.08em;margin:45px 12px 14px}.nav-item{display:flex;align-items:center;gap:10px;width:100%;border:0;background:transparent;border-radius:8px;padding:13px 12px;text-align:left;color:#657082;font-size:14px;margin:3px 0;line-height:1.4}.nav-item.active{background:#edf2f8;color:#244f86;font-weight:600}.nav-item span{font-size:20px;font-weight:400}.nav-item b{margin-left:auto;font-size:12px;font-weight:500;color:#6482a7}.sidebar-line{height:1px;background:var(--line);margin-top:23px}.sidebar-line+.nav-caption{margin-top:26px}.style-dot{display:inline-block;width:8px;height:8px;border-radius:2px;background:#b3a18c}.local-note{margin-top:auto;display:flex;gap:10px;color:#687586;font-size:13px;line-height:1.7;padding:15px 4px 0}.local-note small{display:block;color:#9aa1ab;font-size:11px;margin-top:5px}.local-symbol{font-size:18px;color:#8c9eb4}.workspace{margin-left:228px}.topbar{height:84px;background:#fff;border-bottom:1px solid var(--line);padding:0 44px;display:flex;align-items:center;justify-content:space-between;gap:20px}.breadcrumb{font-size:13px;color:#8d95a0}.topbar-actions{display:flex;gap:10px}.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:7px;min-height:40px;padding:9px 17px;font-size:14px;line-height:1.5;white-space:nowrap}.primary{background:var(--ink);color:#fff}.primary:hover{background:#304760}.secondary{background:#fff;border-color:var(--line);color:#455268}.secondary:hover{background:#f5f7fa}.text-button{border:0;background:transparent;padding:6px 0;color:var(--blue);font-size:14px}.icon-button{border:0;background:transparent;font-size:26px;line-height:1;padding:5px 8px;color:#7e8793}main{max-width:1590px;padding:42px 44px 40px;margin:auto;min-height:calc(100vh - 150px)}.eyebrow{font-size:11px;letter-spacing:.13em;color:#9aa1a9}h1{font-size:28px;line-height:1.4;font-weight:600;letter-spacing:.025em;margin:10px 0 10px}h2{font-weight:600;font-size:23px}h3{font-weight:600}.page-heading p{font-size:14px;color:var(--muted);line-height:1.7;margin:0}.page-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:30px}.toolbar{display:flex;align-items:center;justify-content:space-between;gap:18px;margin:0 0 21px}.view-count{font-size:13px;color:#838b97}.search-wrap{position:relative;width:280px}.search-wrap input{width:100%;border:1px solid var(--line);background:#fff;border-radius:7px;padding:10px 14px;font-size:14px;color:var(--ink)}.case-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:25px}.case-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:transform .18s,box-shadow .18s}.case-card:hover{transform:translateY(-3px);box-shadow:0 10px 24px #2433440d}.cover-wrap{aspect-ratio:1.38;position:relative;overflow:hidden;background:#e8ebee}.cover-wrap img{width:100%;height:100%;object-fit:cover;display:block}.card-index{position:absolute;top:15px;left:15px;padding:5px 8px;border-radius:5px;background:#ffffffec;color:#475669;font-size:11px;letter-spacing:.04em}.card-view{position:absolute;right:12px;bottom:12px;background:#243247d9;color:#fff;font-size:11px;padding:6px 9px;border-radius:5px}.card-body{padding:20px 20px 17px}.card-body h2{font-size:18px;margin:0 0 9px;font-weight:600;letter-spacing:.025em}.card-description{color:#88919d;font-size:12px;margin:0;line-height:1.7}.card-bottom{display:flex;justify-content:space-between;align-items:center;border-top:1px solid #edf0f3;margin-top:18px;padding-top:14px;font-size:12px;color:#8c95a1}.tag{color:#6f7c88;background:#f3f5f7;border-radius:4px;padding:4px 7px;font-size:11px}.empty{padding:70px 20px;text-align:center;color:var(--muted);grid-column:1/-1;border:1px dashed #d3dae3;border-radius:12px}.empty h2{color:var(--ink);font-size:20px}.back{display:inline-flex;gap:6px;align-items:center;margin-bottom:19px;font-size:14px;color:var(--muted)}.detail-header{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:26px}.detail-header h1{margin:0 0 7px}.detail-header p{font-size:13px;color:var(--muted);margin:0;line-height:1.7}.detail-actions{display:flex;gap:8px}.detail-layout{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:27px}.detail-stage{min-width:0}.tabs{display:flex;gap:26px;border-bottom:1px solid var(--line);margin-bottom:20px}.tab{background:none;border:0;border-bottom:2px solid transparent;padding:12px 0;font-size:14px;color:#7b8592}.tab.active{color:var(--ink);border-color:var(--ink);font-weight:600}.hero-image{display:block;width:100%;max-height:660px;object-fit:contain;background:#edf0f4;border-radius:10px;cursor:zoom-in}.image-caption{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--muted);margin:13px 0 18px;gap:10px}.thumbs{display:flex;gap:10px;overflow-x:auto;padding:2px 1px 8px}.thumb{flex:0 0 105px;height:79px;padding:0;border:2px solid transparent;border-radius:7px;overflow:hidden;background:#e5e8ec;opacity:.62}.thumb img{width:100%;height:100%;object-fit:cover}.thumb.active{border-color:#365f94;opacity:1}.case-info{align-self:start;background:#fff;padding:24px;border:1px solid var(--line);border-radius:10px;margin-top:59px}.case-info h3{font-size:15px;margin:0 0 20px}.metadata{margin:0}.metadata div{display:flex;justify-content:space-between;gap:8px;margin-bottom:15px;font-size:13px}.metadata dt{color:#8a929e}.metadata dd{margin:0;color:#4e5a69;text-align:right}.case-note{font-size:13px;line-height:1.9;color:#6c7888;border-top:1px solid var(--line);padding-top:19px;margin:20px 0 0;white-space:pre-wrap}.scope-note{font-size:12px;color:#a0a7b0;line-height:1.8;margin:16px 0 0}.model-frame{display:block;width:100%;height:800px;border:1px solid var(--line);background:#fff;border-radius:10px}.viewer-tools{display:flex;align-items:center;justify-content:space-between;margin:0 0 12px;font-size:13px;color:var(--muted)}.files{display:grid;gap:10px}.file-row{background:#fff;border:1px solid var(--line);padding:17px;border-radius:8px;display:flex;align-items:center;gap:13px}.file-type{font-size:11px;background:#eef2f7;color:#6782a4;border-radius:6px;padding:9px 5px;min-width:43px;text-align:center}.file-name{font-size:14px;word-break:break-all;min-width:0;flex:1}.file-name small{display:block;font-size:12px;color:#8d96a3;margin-top:5px}.file-row a{font-size:13px;color:var(--blue)}footer{max-width:1590px;margin:auto;padding:0 44px 24px;font-size:11px;color:#a3aab4;display:flex;justify-content:space-between}dialog{border:0;border-radius:14px;padding:27px 30px;max-width:570px;width:calc(100% - 32px);color:var(--ink);box-shadow:0 25px 100px #17294233}dialog::backdrop{background:#12213677;backdrop-filter:blur(4px)}.dialog-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:23px}.dialog-heading h2{font-size:21px;margin:0}.dialog-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:24px}form label{display:flex;flex-direction:column;gap:9px;font-size:14px;margin-bottom:18px}form input:not([type=file]):not([type=hidden]),form select,form textarea{border:1px solid #dce1e8;border-radius:7px;width:100%;padding:11px;background:#fff;color:var(--ink);font-size:16px}.form-row{display:grid;grid-template-columns:1fr 100px;gap:18px}.file-drop{padding:22px;border:1px dashed #b6c3d4;border-radius:8px;background:#f7f9fc;text-align:center;line-height:1.7}.file-drop input{font-size:13px;max-width:100%}.file-drop span{font-size:12px;color:#8b96a6}.form-error{font-size:13px;color:#b64b40}.help-content p{font-size:14px;line-height:1.9;color:#7a8493}.help-content strong{font-weight:500;color:#32445d}.help-content p+p{margin-top:24px}#lightbox{width:calc(100% - 40px);height:calc(100% - 40px);max-width:none;background:#111923;padding:20px;overflow:hidden;color:#fff}#lightbox-image{display:block;width:100%;height:calc(100% - 42px);object-fit:contain}#lightbox-caption{text-align:center;font-size:13px;color:#c5ceda}.lightbox-close{position:absolute;right:20px;top:17px;background:#263345df;color:#fff;border:0;width:40px;height:40px;border-radius:50%;font-size:25px}#toast{position:fixed;bottom:28px;left:50%;transform:translateX(-50%);background:#21354bee;color:#fff;padding:13px 22px;border-radius:8px;font-size:14px;z-index:30;opacity:0;pointer-events:none;transition:opacity .2s}#toast.show{opacity:1}.mobile-title{display:none}@media(min-width:1600px){.cover-wrap{aspect-ratio:1.55}}@media(max-width:1180px){.sidebar{width:200px;padding:30px 16px}.workspace{margin-left:200px}.topbar{padding:0 28px}main{padding:34px 28px}.case-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.detail-layout{grid-template-columns:minmax(0,1fr)}.case-info{margin-top:0}.metadata{display:flex;gap:24px;flex-wrap:wrap}.metadata div{gap:10px}.detail-header{align-items:flex-start}.detail-actions{flex-direction:column}}@media(max-width:720px){.sidebar{position:static;width:100%;padding:20px 18px 0;border:0;display:block}.brand{font-size:18px}.brand small{font-size:9px}.brand-mark{width:37px;height:40px;font-size:23px}.nav-caption,.sidebar-line,.local-note,#style-navigation{display:none}#navigation{display:flex;margin-top:20px;gap:7px}#navigation .nav-item{font-size:13px;justify-content:center;padding:11px 6px;gap:5px}#navigation .nav-item span{font-size:17px}#navigation .nav-item b{margin-left:0;font-size:11px}.workspace{margin-left:0}.topbar{height:70px;padding:0 18px;gap:8px}.breadcrumb{display:none}.topbar-actions{width:100%;justify-content:space-between}.button{min-height:42px;padding:9px 12px}main{padding:28px 18px}.page-heading{margin-bottom:25px}h1{font-size:24px;max-width:310px}.page-heading p{font-size:13px;max-width:260px}.case-grid{gap:16px;grid-template-columns:repeat(2,minmax(0,1fr))}.card-body{padding:14px 12px}.card-body h2{font-size:16px;line-height:1.5;margin-bottom:6px}.card-description{font-size:11px}.card-bottom{display:block;margin-top:12px;padding-top:11px;font-size:11px}.card-bottom span:last-child{display:block;margin-top:7px}.tag{display:inline-block!important}.card-index{font-size:10px;left:8px;top:8px}.card-view{display:none}.cover-wrap{aspect-ratio:1.1}.toolbar{gap:12px}.search-wrap{width:190px}.view-count{font-size:12px}.detail-header{display:block}.detail-header h1{max-width:none}.detail-actions{flex-direction:row;margin-top:18px}.tabs{gap:24px}.case-info{padding:20px}.metadata{display:block}.metadata div{margin-bottom:12px}.model-frame{height:810px}.image-caption{font-size:12px}.viewer-tools{align-items:flex-start;gap:10px;line-height:1.8}.viewer-tools a{flex-shrink:0}.file-row{padding:13px}.file-name{font-size:12px}.file-row a{font-size:12px}footer{padding:0 18px 25px}dialog{padding:23px 20px}#lightbox{width:100%;height:100%;max-height:none;max-width:none;border-radius:0;margin:0}#toast{width:max-content;max-width:90vw;text-align:center}.form-row{grid-template-columns:1fr 90px}}@media(max-width:375px){.case-grid{grid-template-columns:1fr}.cover-wrap{aspect-ratio:1.45}.card-bottom{display:flex}.card-bottom span:last-child{margin:0}.card-description{font-size:12px}.card-body h2{font-size:18px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

.source-card{margin-top:22px;padding-top:18px;border-top:1px solid var(--border,#e1e5e9)}.source-card p{font-size:13px;line-height:1.7;margin:7px 0}.source-card a{color:#315a7d;text-decoration:underline;text-underline-offset:3px}.source-card small{display:block;color:#687584;font-size:11px;line-height:1.6}

/* More space for the interactive view; focusing preserves the iframe and camera. */
.detail-layout.tour-active{grid-template-columns:minmax(0,1fr)}
.detail-layout.tour-active>.case-info{display:none}
.model-frame{height:clamp(560px,76vh,960px);height:clamp(560px,76dvh,960px)}
.viewer-tools{gap:16px;flex-wrap:wrap;min-height:42px}
.viewer-actions{display:flex;align-items:center;gap:16px;flex-shrink:0;margin-left:auto}
.viewer-actions>a{color:var(--blue)}
.viewer-focused{overflow:hidden}
.viewer-focused .detail-stage{position:fixed;inset:0;z-index:60;display:flex;flex-direction:column;padding:12px 16px;background:var(--bg);width:100%;height:100vh;height:100dvh}
.viewer-focused .detail-stage>.tabs{display:none}
.viewer-focused #detail-content{display:flex;flex:1;flex-direction:column;min-height:0}
.viewer-focused .viewer-tools{flex-shrink:0;margin:0 0 10px}
.viewer-focused .model-frame{flex:1;min-height:0;height:0;border-radius:8px}
@media(max-width:720px){.viewer-tools{align-items:center;font-size:12px}.viewer-summary{flex:1 1 100%}.viewer-actions{width:100%;justify-content:space-between;gap:12px}.viewer-focused .detail-stage{padding:8px}.viewer-focused .viewer-summary{display:none}.viewer-focused .viewer-tools{margin-bottom:8px}.viewer-focused .model-frame{border-radius:5px}}

/* Fit the full seven-character brand in the existing sidebar. */
.brand{gap:8px;font-size:16px;letter-spacing:0}.brand-mark{flex-shrink:0;width:36px}.brand small{font-size:8px;letter-spacing:.09em}

/* Public collection additions. */
.public-videos{display:grid;gap:24px}.public-videos figure{margin:0}.public-videos video{display:block;width:100%;max-height:76vh;background:#111;border-radius:8px}.public-videos figcaption{font-size:13px;color:var(--muted);padding:10px 0}.icp-record{display:block;color:inherit;font-size:12px;margin-top:6px}footer{flex-wrap:wrap}