:root{
  --bg:#0e1116;--panel:#151a21;--panel2:#1a2029;--text:#f4f1ea;--muted:#9aa3ae;
  --line:rgba(255,255,255,.09);--accent:#d8ff61;--accent2:#8ea53e;--shadow:0 28px 80px rgba(0,0,0,.38);
  --radius:26px;--wrap:min(1180px,calc(100% - 36px));
}
[data-theme="light"]{
  --bg:#f5f3ed;--panel:#fff;--panel2:#efede6;--text:#15191f;--muted:#68707b;
  --line:rgba(0,0,0,.10);--accent:#b5df2e;--accent2:#708719;--shadow:0 28px 80px rgba(30,40,20,.12);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,"PingFang SC","Microsoft YaHei",system-ui,sans-serif;min-height:100vh;transition:.25s background,.25s color}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
.noise{position:fixed;inset:0;pointer-events:none;opacity:.045;z-index:99;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120' viewBox='0 0 120 120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.7'/%3E%3C/svg%3E")}
.wrap{width:var(--wrap);margin-inline:auto}
.topbar{height:82px;display:flex;align-items:center;justify-content:space-between;width:var(--wrap);margin:auto;border-bottom:1px solid var(--line);position:relative;z-index:5}
.brand{display:flex;align-items:center;gap:12px;color:var(--text);text-decoration:none}.brand-mark{width:40px;height:40px;border:1px solid var(--line);display:grid;place-items:center;border-radius:12px;background:var(--panel);font-size:22px;color:var(--accent)}
.brand strong{display:block;font-size:15px;letter-spacing:.08em}.brand small{font-size:9px;letter-spacing:.25em;color:var(--muted)}
.nav-actions,.hero-actions{display:flex;gap:10px}
.ghost-btn,.primary-btn,.back-btn,.icon-btn,.mode,.filter{border:1px solid var(--line);color:var(--text);background:rgba(255,255,255,.02);border-radius:999px;padding:10px 16px;transition:.2s ease}.ghost-btn:hover,.back-btn:hover,.icon-btn:hover,.mode:hover,.filter:hover{background:var(--panel2);transform:translateY(-1px)}
.primary-btn{background:var(--accent);color:#171b0e;border-color:transparent;font-weight:800}.primary-btn:hover{filter:brightness(1.05);transform:translateY(-2px)}.big{padding:14px 20px}.submit{width:100%;padding:14px}
.view{display:none}.active-view{display:block}
.hero{padding:76px 0 54px;display:grid;grid-template-columns:1.02fr .98fr;align-items:center;gap:68px;min-height:620px}
.eyebrow{font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--accent);font-weight:800}
.hero h1,.detail-view h1{font-family:Georgia,"Songti SC",serif;font-size:clamp(45px,6vw,78px);line-height:1.08;margin:16px 0 22px;letter-spacing:-.035em}.hero p{max-width:650px;color:var(--muted);font-size:16px;line-height:1.9;margin:0 0 28px}
.hero-object{aspect-ratio:1/1;border:1px solid var(--line);border-radius:34px;position:relative;overflow:hidden;background:radial-gradient(circle at 50% 42%,rgba(216,255,97,.13),transparent 50%),linear-gradient(145deg,var(--panel2),var(--panel))}
.card-glow{box-shadow:var(--shadow)}
canvas{width:100%;height:100%;display:block;touch-action:none}
.canvas-tip{position:absolute;left:50%;bottom:18px;transform:translateX(-50%);font-size:11px;color:var(--muted);background:rgba(8,10,14,.56);backdrop-filter:blur(10px);padding:8px 12px;border-radius:999px;border:1px solid rgba(255,255,255,.08);white-space:nowrap}
.stats{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-bottom:90px}.stats article{padding:26px 22px;border-right:1px solid var(--line)}.stats article:last-child{border-right:0}.stats b{display:block;font-size:28px;font-family:Georgia,serif}.stats span{font-size:12px;color:var(--muted)}
.gallery-section,.process{padding-bottom:100px}.section-head{display:flex;justify-content:space-between;align-items:end;margin-bottom:28px}.section-head h2{font-size:32px;margin:8px 0 0}.filters{display:flex;gap:8px}.filter{padding:8px 13px;font-size:12px}.filter.active{background:var(--text);color:var(--bg)}
.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.work-card{background:var(--panel);border:1px solid var(--line);border-radius:22px;overflow:hidden;transition:.25s ease;cursor:pointer}.work-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}.thumb{aspect-ratio:4/3;background:linear-gradient(145deg,var(--panel2),var(--panel));display:grid;place-items:center;position:relative;overflow:hidden}.thumb img{width:82%;height:82%;object-fit:contain;transition:.3s transform}.work-card:hover .thumb img{transform:scale(1.05) rotate(-1deg)}.thumb .badge{position:absolute;top:14px;left:14px;background:rgba(10,12,16,.66);color:#fff;border:1px solid rgba(255,255,255,.1);font-size:10px;border-radius:999px;padding:6px 9px;backdrop-filter:blur(9px)}.work-card-body{padding:18px}.work-card-body h3{margin:0 0 6px;font-size:18px}.work-card-body p{margin:0;color:var(--muted);font-size:12px;display:flex;justify-content:space-between}.work-card-body p span:last-child{color:var(--accent)}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.steps article{border:1px solid var(--line);background:var(--panel);padding:24px;border-radius:18px}.steps span{color:var(--accent);font:700 12px monospace}.steps h3{font-size:17px;margin:28px 0 8px}.steps p{color:var(--muted);font-size:13px;line-height:1.7;margin:0}
.footer{border-top:1px solid var(--line);padding:28px 0 38px;color:var(--muted);font-size:11px;display:flex;justify-content:space-between}
.detail-view{padding:44px 0 88px}.back-btn{margin-bottom:22px}.detail-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(300px,.65fr);gap:34px;align-items:start}.viewer-panel{border:1px solid var(--line);border-radius:28px;background:var(--panel);overflow:hidden}.viewer-toolbar{height:64px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 14px}.mode-switch{display:flex;gap:5px}.mode{padding:8px 12px;font-size:11px}.mode.active{background:var(--text);color:var(--bg)}.icon-btn{font-size:11px;padding:8px 12px}.viewer-stage,.photo-stage{height:min(70vh,720px);min-height:500px;position:relative;background:radial-gradient(circle at 50% 43%,rgba(216,255,97,.12),transparent 45%),linear-gradient(160deg,var(--panel2),var(--panel))}.photo-stage{display:flex;align-items:center;justify-content:center;touch-action:none}.photo-stage.hidden,.viewer-stage.hidden{display:none}.photo-stage img{width:72%;height:72%;object-fit:contain}.angle-dots{position:absolute;left:50%;bottom:56px;transform:translateX(-50%);display:flex;gap:7px}.angle-dots i{width:5px;height:5px;border-radius:50%;background:var(--muted);opacity:.4}.angle-dots i.active{opacity:1;background:var(--accent);transform:scale(1.4)}
.work-info{padding:18px 0}.detail-view h1{font-size:48px;margin:12px 0 14px}.work-desc{color:var(--muted);line-height:1.85;font-size:14px}.meta-list{margin:28px 0;border-top:1px solid var(--line)}.meta-list div{display:flex;justify-content:space-between;border-bottom:1px solid var(--line);padding:13px 0}.meta-list dt{color:var(--muted);font-size:12px}.meta-list dd{margin:0;font-size:12px}.quote-card,.tech-note{border:1px solid var(--line);border-radius:18px;padding:18px;margin-top:16px;background:var(--panel)}.quote-card span{font-size:10px;color:var(--accent);font-weight:800}.quote-card p,.tech-note p{font-size:13px;line-height:1.75;margin:8px 0 0;color:var(--muted)}.tech-note b{font-size:12px}
.modal-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.64);backdrop-filter:blur(9px);z-index:50;display:none;align-items:center;justify-content:center;padding:18px}.modal-backdrop.open{display:flex}.modal{width:min(720px,100%);max-height:90vh;overflow:auto;background:var(--panel);border:1px solid var(--line);border-radius:26px;box-shadow:var(--shadow);padding:26px}.modal-head{display:flex;justify-content:space-between;align-items:start}.modal-head h2{margin:7px 0 20px}.close-btn{width:36px;height:36px;border-radius:50%;border:1px solid var(--line);background:transparent;color:var(--text);font-size:22px}.modal form>label,.form-row label{display:grid;gap:7px;font-size:12px;margin-bottom:14px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}input,select,textarea{width:100%;border:1px solid var(--line);background:var(--bg);color:var(--text);border-radius:12px;padding:11px 12px;outline:none}textarea{resize:vertical}.upload-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin:10px 0 14px}.upload-box{aspect-ratio:1/1;border:1px dashed rgba(216,255,97,.4);border-radius:14px;display:flex!important;align-items:center;justify-content:center;flex-direction:column;gap:4px;background:rgba(216,255,97,.03);position:relative;overflow:hidden}.upload-box input{position:absolute;inset:0;opacity:0;cursor:pointer}.upload-box b{font-size:26px;color:var(--accent)}.upload-box span{font-size:11px}.upload-box small{font-size:9px;color:var(--muted)}.upload-box.has-file{border-style:solid;background-size:cover;background-position:center}.upload-box.has-file b,.upload-box.has-file span,.upload-box.has-file small{background:rgba(0,0,0,.62);color:#fff;padding:3px 6px;border-radius:6px}.ai-box{border:1px solid var(--line);padding:14px;border-radius:14px;margin:16px 0}.ai-box>div{display:flex;gap:7px;align-items:center;font-size:11px}.status-dot{width:7px;height:7px;border-radius:50%;background:#ffcc56}.ai-box p{font-size:11px;line-height:1.6;color:var(--muted);margin:7px 0 0}
@media(max-width:900px){.hero{grid-template-columns:1fr;padding-top:50px;gap:36px}.hero-object{max-width:620px;width:100%;margin:auto}.gallery-grid{grid-template-columns:repeat(2,1fr)}.steps{grid-template-columns:repeat(2,1fr)}.detail-grid{grid-template-columns:1fr}.work-info{padding-top:8px}.viewer-stage,.photo-stage{height:58vh;min-height:420px}}
@media(max-width:620px){:root{--wrap:min(100% - 24px,1180px)}.topbar{height:70px}.brand small{display:none}.brand strong{font-size:13px}.nav-actions .ghost-btn{display:none}.hero{padding-top:38px;min-height:0}.hero h1{font-size:42px}.hero-actions{flex-direction:column}.stats{grid-template-columns:repeat(2,1fr);margin-bottom:70px}.stats article:nth-child(2){border-right:0}.stats article:nth-child(-n+2){border-bottom:1px solid var(--line)}.section-head{align-items:start;gap:16px;flex-direction:column}.filters{overflow:auto;width:100%;padding-bottom:4px}.gallery-grid{grid-template-columns:1fr}.steps{grid-template-columns:1fr 1fr}.upload-grid{grid-template-columns:repeat(2,1fr)}.form-row{grid-template-columns:1fr}.footer{flex-direction:column;gap:8px}.viewer-stage,.photo-stage{height:55vh;min-height:360px}.viewer-toolbar{height:auto;padding:10px;gap:10px;align-items:stretch}.icon-btn{white-space:nowrap}.detail-view h1{font-size:38px}}
.inline-btn{text-decoration:none;display:inline-flex;align-items:center;justify-content:center}.model-badge{position:absolute;right:14px;top:14px;font-style:normal;font-size:9px;letter-spacing:.12em;padding:6px 8px;border-radius:999px;background:rgba(20,24,30,.72);color:#ccd3da;border:1px solid rgba(255,255,255,.1)}.model-badge.ready{background:var(--accent);color:#151a0b}.empty-card{grid-column:1/-1;border:1px dashed var(--line);border-radius:20px;padding:48px;text-align:center;color:var(--muted)}.glb-mount{position:absolute;inset:0;z-index:2}.glb-mount canvas{width:100%;height:100%;display:block}.viewer-stage>#detailCanvas{position:absolute;inset:0;z-index:1}.viewer-stage .canvas-tip{z-index:4}.viewer-status{position:absolute;top:18px;left:18px;z-index:4;font-size:10px;color:var(--muted);background:rgba(8,10,14,.58);border:1px solid rgba(255,255,255,.08);padding:7px 10px;border-radius:999px}.photo-grid{width:100%;height:100%;padding:24px;display:grid;grid-template-columns:1fr 1fr;gap:12px}.photo-grid figure{margin:0;display:grid;grid-template-rows:1fr auto;gap:7px;min-height:0}.photo-grid figure>div{min-height:0;border-radius:16px;border:1px solid var(--line);background:var(--panel);display:grid;place-items:center;overflow:hidden}.photo-grid img{width:100%;height:100%;object-fit:contain}.photo-grid span,.photo-grid figcaption{font-size:10px;color:var(--muted);text-align:center}.install-shell{min-height:100vh;display:grid;place-items:center;padding:24px}.install-card{width:min(520px,100%);border:1px solid var(--line);background:var(--panel);border-radius:28px;padding:30px;box-shadow:var(--shadow)}.install-card h1{font-family:Georgia,"Songti SC",serif;font-size:34px;margin:9px 0 10px}.install-card>p,.install-note{color:var(--muted);font-size:13px;line-height:1.7}.install-card form label,.editor-card>label{display:grid;gap:7px;margin:14px 0;font-size:12px}.check{display:flex!important;align-items:center;grid-template-columns:auto 1fr}.check input{width:auto}.alert{border:1px solid var(--line);border-radius:12px;padding:11px 13px;font-size:12px;margin:12px 0}.alert.error{border-color:rgba(255,90,90,.35);background:rgba(255,90,90,.06)}.alert.ok{border-color:rgba(216,255,97,.35);background:rgba(216,255,97,.06)}.text-link{display:inline-block;color:var(--muted);font-size:12px;margin-top:16px}.admin-top{width:min(1180px,calc(100% - 36px));margin:auto;display:flex;align-items:center;justify-content:space-between;padding:34px 0 22px;border-bottom:1px solid var(--line)}.admin-top h1{margin:5px 0 0;font-size:30px}.admin-top nav{display:flex;gap:8px;flex-wrap:wrap}.admin-wrap{width:min(1180px,calc(100% - 36px));margin:30px auto 80px}.admin-wrap.narrow{width:min(860px,calc(100% - 36px))}.admin-hint,.ai-panel{border:1px solid var(--line);border-radius:18px;background:var(--panel);padding:18px;margin-bottom:18px}.admin-hint{display:flex;align-items:center;justify-content:space-between;gap:20px}.admin-hint b{font-size:13px}.admin-hint span{font-size:11px;color:var(--muted)}.admin-list{display:grid;gap:10px}.admin-list article{display:grid;grid-template-columns:88px 1fr auto;gap:16px;align-items:center;border:1px solid var(--line);background:var(--panel);border-radius:16px;padding:10px}.admin-thumb{width:88px;height:70px;border-radius:10px;overflow:hidden;background:var(--panel2)}.admin-thumb img{width:100%;height:100%;object-fit:contain}.admin-main span,.admin-main small{font-size:10px;color:var(--muted)}.admin-main h3{margin:4px 0}.admin-actions{display:flex;gap:8px}.editor-card{border:1px solid var(--line);background:var(--panel);border-radius:22px;padding:22px;margin-bottom:18px}.sub-title{font-size:18px;margin:28px 0 4px}.sub-note{font-size:11px;color:var(--muted);margin:0 0 12px}.admin-upload{margin-bottom:22px}.ai-panel-head{display:flex;align-items:center;justify-content:space-between}.ai-panel h2{margin:5px 0}.ai-panel>p{color:var(--muted);font-size:12px;line-height:1.7}.ai-state{font:700 10px monospace;border:1px solid var(--line);border-radius:999px;padding:7px 10px;color:var(--accent)}.ai-actions{display:flex;gap:8px;margin:14px 0}.ai-log{font:11px/1.7 ui-monospace,SFMono-Regular,Consolas,monospace;color:var(--muted);border-top:1px solid var(--line);padding-top:12px;word-break:break-all}
@media(max-width:700px){.admin-top{align-items:flex-start;gap:16px;flex-direction:column}.admin-list article{grid-template-columns:64px 1fr}.admin-thumb{width:64px;height:58px}.admin-actions{grid-column:1/-1}.admin-hint{align-items:flex-start;flex-direction:column}.photo-grid{grid-template-columns:1fr;padding:14px;overflow:auto}.photo-grid figure{min-height:260px}}


/* v2.3 material & lighting */
.viewer-toolbar{gap:12px;flex-wrap:wrap}
.toolbar-left{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.light-switch{display:flex;gap:6px;flex-wrap:wrap}
.light-switch .mode{padding:8px 11px;font-size:11px}
.compare-strip{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;padding:0 24px 24px;background:var(--panel)}
.compare-card{margin:0;border:1px solid var(--line);border-radius:18px;overflow:hidden;background:var(--panel2)}
.compare-card>div{aspect-ratio:1.35/1;display:grid;place-items:center;overflow:hidden;background:linear-gradient(180deg,rgba(255,255,255,.03),rgba(255,255,255,.01))}
.compare-card img{width:100%;height:100%;object-fit:cover}
.compare-card figcaption{display:grid;gap:4px;padding:12px 14px}
.compare-card figcaption b{font-size:12px}
.compare-card figcaption span{font-size:11px;color:var(--muted);line-height:1.55}
.compare-card.placeholder>div span{font-size:12px;color:var(--muted)}
@media(max-width:700px){.compare-strip{grid-template-columns:1fr;padding:0 14px 14px}.toolbar-left{width:100%}.light-switch{width:100%;overflow:auto;padding-bottom:2px}.viewer-toolbar .icon-btn{margin-left:auto}}


/* v2.4 gallery link/title fix */
.work-card,
.work-card:link,
.work-card:visited{
  color:var(--text);
  text-decoration:none;
}
.work-card-body h3{
  color:var(--text);
  text-decoration:none;
  transition:color .2s ease;
}
.work-card:hover .work-card-body h3{color:var(--accent)}

/* v2.5 simplified three-view detail */
.detail-simple{padding:44px 0 96px}
.work-heading{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:38px;align-items:end;margin:16px 0 28px}
.work-heading h1{font-family:Georgia,"Songti SC",serif;font-size:clamp(42px,5vw,68px);line-height:1.05;margin:10px 0 14px;letter-spacing:-.035em}
.work-heading>div>p{max-width:720px;margin:0;color:var(--muted);font-size:14px;line-height:1.8}
.heading-meta{display:grid;grid-template-columns:repeat(2,minmax(110px,1fr));gap:0;margin:0;border:1px solid var(--line);border-radius:18px;overflow:hidden;background:var(--panel)}
.heading-meta div{padding:12px 16px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
.heading-meta div:nth-child(2n){border-right:0}.heading-meta div:nth-last-child(-n+2){border-bottom:0}
.heading-meta dt{font-size:10px;color:var(--muted);margin-bottom:5px}.heading-meta dd{font-size:12px;margin:0}
.showcase-card{border:1px solid var(--line);border-radius:28px;background:var(--panel);overflow:hidden}
.showcase-tabs{min-height:68px;padding:10px 14px;display:flex;align-items:center;gap:8px;border-bottom:1px solid var(--line)}
.showcase-tab{border:1px solid var(--line);background:transparent;color:var(--text);border-radius:999px;padding:10px 18px;font-size:12px;cursor:pointer;transition:.2s ease}
.showcase-tab:hover{background:var(--panel2)}.showcase-tab.active{background:var(--text);color:var(--bg);border-color:transparent;font-weight:700}
.showcase-tabs .icon-btn{margin-left:auto}.showcase-tabs .icon-btn.hidden{visibility:hidden;pointer-events:none}
.showcase-pane{display:none}.showcase-pane.active{display:block}
.simple-stage{height:min(68vh,700px);min-height:500px;border:0;border-radius:0;background:radial-gradient(circle at 50% 43%,rgba(216,255,97,.11),transparent 45%),linear-gradient(160deg,var(--panel2),var(--panel))}
.angle-thumbs{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;padding:12px 14px 16px;border-top:1px solid var(--line);background:rgba(255,255,255,.012)}
.angle-thumb{margin:0;min-width:0}.angle-thumb>div{aspect-ratio:4/3;border:1px solid var(--line);border-radius:12px;background:var(--panel2);display:grid;place-items:center;overflow:hidden}.angle-thumb img{width:100%;height:100%;object-fit:cover}.angle-thumb span{font-size:10px;color:var(--muted)}.angle-thumb figcaption{text-align:center;margin-top:6px;font-size:10px;color:var(--muted)}
.single-image-stage{height:min(74vh,780px);min-height:540px;padding:30px;display:grid;place-items:center;background:linear-gradient(160deg,var(--panel2),var(--panel))}
.single-image-stage img{max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain;border-radius:18px;box-shadow:0 22px 70px rgba(0,0,0,.25)}
.checker-bg{background-color:#eef1f3;background-image:linear-gradient(45deg,#dfe3e7 25%,transparent 25%),linear-gradient(-45deg,#dfe3e7 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#dfe3e7 75%),linear-gradient(-45deg,transparent 75%,#dfe3e7 75%);background-size:30px 30px;background-position:0 0,0 15px,15px -15px,-15px 0}
.imagination-stage{background:radial-gradient(circle at 50% 40%,rgba(216,255,97,.08),transparent 50%),linear-gradient(160deg,var(--panel2),var(--panel))}
.showcase-empty{display:grid;place-items:center;gap:10px;text-align:center;color:var(--text);max-width:420px;padding:40px}.showcase-empty b{font-size:18px}.showcase-empty span{font-size:12px;line-height:1.7;color:var(--muted)}.showcase-empty .primary-btn{margin-top:8px}
.simple-quote{margin-top:20px;border:1px solid var(--line);border-radius:20px;background:var(--panel);padding:20px 22px}.simple-quote span{font-size:10px;color:var(--accent);font-weight:800;letter-spacing:.12em}.simple-quote p{font-family:Georgia,"Songti SC",serif;font-size:18px;line-height:1.7;margin:8px 0 0}
.three-steps{grid-template-columns:repeat(3,1fr)}
@media(max-width:900px){.work-heading{grid-template-columns:1fr}.heading-meta{width:100%}.simple-stage{height:58vh;min-height:420px}.single-image-stage{height:62vh;min-height:420px}.three-steps{grid-template-columns:1fr 1fr 1fr}}
@media(max-width:620px){.detail-simple{padding-top:26px}.work-heading h1{font-size:40px}.heading-meta{grid-template-columns:1fr 1fr}.showcase-tabs{overflow-x:auto;white-space:nowrap;align-items:center}.showcase-tab{padding:9px 14px}.showcase-tabs .icon-btn{margin-left:0}.simple-stage{height:54vh;min-height:360px}.angle-thumbs{grid-template-columns:repeat(4,120px);overflow-x:auto}.single-image-stage{height:56vh;min-height:360px;padding:14px}.three-steps{grid-template-columns:1fr}.nav-actions a[href*="logout"]{display:inline-flex!important}}

/* =========================================================
   v2.6 · 全站 UX / 图片体验优化
   ========================================================= */
:root{--ease:cubic-bezier(.2,.7,.2,1)}
body{overflow-x:hidden}
a,button{-webkit-tap-highlight-color:transparent}
a:focus-visible,button:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
img{user-select:none;-webkit-user-drag:none}

/* 顶部导航：减少跳动，滚动时依然清楚 */
.topbar{position:sticky;top:0;z-index:40;width:100%;padding-inline:max(18px,calc((100vw - 1180px)/2));background:rgba(14,17,22,.86);backdrop-filter:blur(18px) saturate(135%);border-bottom:1px solid var(--line)}
[data-theme="light"] .topbar{background:rgba(245,243,237,.9)}
.brand{min-width:0}.nav-actions{align-items:center;flex-wrap:wrap}

/* 首页：更像展览馆，不让装饰抢作品 */
.hero{min-height:560px;padding-top:62px;padding-bottom:54px;gap:56px}
.hero h1{max-width:720px}
.hero-object{border-radius:28px}
.stats{margin-bottom:76px}
.gallery-section{padding-bottom:82px}
.gallery-grid{gap:16px}
.work-card{border-radius:20px;transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s ease}
.work-card:hover{transform:translateY(-3px);border-color:rgba(216,255,97,.22);box-shadow:0 20px 52px rgba(0,0,0,.24)}
.thumb{aspect-ratio:4/3;background:radial-gradient(circle at 50% 44%,rgba(255,255,255,.055),transparent 54%),linear-gradient(145deg,var(--panel2),var(--panel))}
.thumb img{width:88%;height:88%;object-fit:contain;cursor:zoom-in;transition:transform .25s var(--ease),filter .25s ease}
.work-card:hover .thumb img{transform:scale(1.025);filter:brightness(1.03)}
.work-card-body{padding:16px 17px 17px}.work-card-body h3{font-size:17px;line-height:1.35}.work-card-body p{gap:12px;align-items:center}.work-card-body p span:first-child{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.work-card-body p span:last-child{white-space:nowrap}
.filter.active{background:var(--accent);color:#151a0b;border-color:transparent;font-weight:700}

/* 详情页：减少标题和信息框的视觉重量 */
.detail-simple{padding:32px 0 82px}
.detail-simple .back-btn{margin-bottom:16px}
.work-heading{align-items:center;gap:28px;margin:10px 0 24px}
.work-heading h1{font-size:clamp(38px,4.4vw,58px);line-height:1.08;margin:8px 0 10px;letter-spacing:-.025em}
.work-heading>div>p{font-size:13px;line-height:1.75}
.heading-meta{border-radius:16px;background:rgba(255,255,255,.018);min-width:250px}
.heading-meta div{padding:10px 14px}.heading-meta dt{font-size:9px}.heading-meta dd{font-size:11px;font-weight:650}

.showcase-card{border-radius:24px;box-shadow:0 24px 64px rgba(0,0,0,.22)}
.showcase-tabs{min-height:62px;padding:9px 12px;gap:7px;background:rgba(255,255,255,.012)}
.showcase-tab{padding:9px 16px;font-size:12px;transition:background .18s ease,color .18s ease,border-color .18s ease}
.showcase-tab.active{background:var(--accent);color:#171b0e;border-color:transparent}
.simple-stage{height:min(64vh,660px);min-height:440px}
.viewer-status{top:16px;left:16px}
.canvas-tip{bottom:14px}

/* 四视图小图：不再裁切作品 */
.angle-thumbs{gap:9px;padding:12px 13px 14px}
.angle-thumb>div{aspect-ratio:4/3;border-radius:11px;background:linear-gradient(145deg,var(--panel2),var(--panel));cursor:zoom-in;transition:border-color .18s ease,transform .18s ease}
.angle-thumb>div:hover{border-color:rgba(216,255,97,.34);transform:translateY(-1px)}
.angle-thumb img{width:100%;height:100%;object-fit:contain;padding:5px;cursor:zoom-in}
.angle-thumb figcaption{margin-top:5px}

/* 原图 / 想象图：按图片真实比例完整展示，不再用固定高度硬塞 */
.single-image-stage{height:auto!important;min-height:0!important;padding:24px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;background:linear-gradient(160deg,var(--panel2),var(--panel));overflow:hidden}
.image-fit-frame{display:grid;place-items:center;width:fit-content;max-width:100%;max-height:none;border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:0 18px 54px rgba(0,0,0,.2);background:rgba(255,255,255,.02)}
.image-fit-frame img{display:block;width:auto;height:auto;max-width:100%;max-height:min(72vh,820px);object-fit:contain;border-radius:0;box-shadow:none;cursor:zoom-in}
.original-stage{background:linear-gradient(160deg,#171c23,var(--panel))}
.original-stage .image-fit-frame{background-color:#eef1f3;background-image:linear-gradient(45deg,#dfe3e7 25%,transparent 25%),linear-gradient(-45deg,#dfe3e7 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#dfe3e7 75%),linear-gradient(-45deg,transparent 75%,#dfe3e7 75%);background-size:24px 24px;background-position:0 0,0 12px,12px -12px,-12px 0}
.imagination-stage{background:radial-gradient(circle at 50% 40%,rgba(216,255,97,.06),transparent 52%),linear-gradient(160deg,var(--panel2),var(--panel))}
.image-hint{font-size:10px;color:var(--muted);letter-spacing:.02em}
.showcase-empty{min-height:360px}
.simple-quote{margin-top:16px;padding:18px 20px;border-radius:18px}.simple-quote p{font-size:17px}

/* 全站图片查看器 */
body.image-viewer-open{overflow:hidden}
.image-viewer{position:fixed;inset:0;z-index:9999;display:none;background:rgba(6,8,11,.96);backdrop-filter:blur(16px);color:#fff;touch-action:none}
.image-viewer.open{display:block;animation:viewerFade .16s ease both}
@keyframes viewerFade{from{opacity:0}to{opacity:1}}
.image-viewer-topbar{position:absolute;z-index:5;top:0;left:0;right:0;height:66px;padding:0 20px;display:flex;align-items:center;justify-content:space-between;background:linear-gradient(to bottom,rgba(0,0,0,.6),transparent);pointer-events:none}
.image-viewer-topbar>div{display:flex;gap:8px;pointer-events:auto}.image-viewer-topbar>span{font-size:11px;color:rgba(255,255,255,.64)}
.viewer-tool{width:38px;height:38px;border-radius:50%;border:1px solid rgba(255,255,255,.16);background:rgba(16,19,24,.58);color:#fff;display:grid;place-items:center;font-size:11px;backdrop-filter:blur(10px);transition:.18s ease}
.viewer-tool:hover{background:rgba(255,255,255,.12);transform:translateY(-1px)}.viewer-close{font-size:24px;font-weight:300}
.image-viewer-canvas{position:absolute;inset:54px 72px 70px;display:grid;place-items:center;overflow:hidden;cursor:zoom-in}
.image-viewer-canvas.is-zoomed{cursor:grab}.image-viewer-canvas.is-dragging{cursor:grabbing}
.image-viewer-canvas img{display:block;max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain;transform-origin:center center;will-change:transform;transition:transform .08s linear;user-select:none;-webkit-user-drag:none}
.viewer-nav{position:absolute;z-index:5;top:50%;transform:translateY(-50%);width:48px;height:70px;border:0;border-radius:15px;background:rgba(20,23,29,.46);color:rgba(255,255,255,.85);font-size:40px;line-height:1;backdrop-filter:blur(10px);transition:.18s ease}
.viewer-nav:hover{background:rgba(255,255,255,.12);color:#fff}.viewer-prev{left:16px}.viewer-next{right:16px}.viewer-nav.hidden{display:none}
.image-viewer-footer{position:absolute;z-index:5;left:0;right:0;bottom:0;min-height:62px;padding:10px 20px 14px;display:flex;align-items:flex-end;justify-content:space-between;gap:20px;background:linear-gradient(to top,rgba(0,0,0,.68),transparent);pointer-events:none}
.image-viewer-footer b{font-size:12px;font-weight:650}.image-viewer-footer span{font-size:10px;color:rgba(255,255,255,.56)}

/* 全局细节 */
.footer{opacity:.86}.empty-card{padding:40px}

@media(max-width:900px){
  .topbar{padding-inline:18px}
  .hero{padding-top:46px;min-height:0}
  .work-heading{grid-template-columns:1fr;gap:16px}.heading-meta{width:100%}
  .simple-stage{height:56vh;min-height:390px}
  .image-fit-frame img{max-height:68vh}
}
@media(max-width:620px){
  :root{--wrap:min(100% - 22px,1180px)}
  .topbar{height:66px;padding-inline:11px}.brand-mark{width:34px;height:34px;border-radius:10px}.brand strong{font-size:12px}.nav-actions{gap:6px}.nav-actions .primary-btn,.nav-actions .ghost-btn{padding:8px 10px;font-size:11px}.nav-actions button#themeBtn{display:none}
  .hero{padding-top:34px;padding-bottom:40px}.hero h1{font-size:39px}.hero p{font-size:14px;line-height:1.75}.hero-object{border-radius:22px}
  .stats{margin-bottom:58px}.gallery-section{padding-bottom:62px}.section-head h2{font-size:27px}
  .work-card{border-radius:18px}.thumb img{width:92%;height:92%}
  .detail-simple{padding-top:20px}.detail-simple .back-btn{margin-bottom:12px}.work-heading{margin-bottom:18px}.work-heading h1{font-size:36px}.work-heading>div>p{font-size:12px}
  .heading-meta{grid-template-columns:repeat(4,1fr);overflow-x:auto;border-radius:14px}.heading-meta div{min-width:88px;border-bottom:0!important;border-right:1px solid var(--line)!important}.heading-meta div:last-child{border-right:0!important}
  .showcase-card{border-radius:18px}.showcase-tabs{position:relative;min-height:58px;padding:8px;overflow-x:auto}.showcase-tab{padding:9px 13px}.showcase-tabs .icon-btn{padding:8px 10px}
  .simple-stage{height:50vh;min-height:330px}.viewer-status{font-size:9px;top:10px;left:10px}.canvas-tip{font-size:9px;bottom:10px}
  .angle-thumbs{grid-template-columns:repeat(4,112px);padding:10px;gap:8px}.angle-thumb img{padding:3px}
  .single-image-stage{padding:12px;gap:9px}.image-fit-frame{border-radius:12px}.image-fit-frame img{max-height:66vh}.image-hint{font-size:9px;text-align:center}.showcase-empty{min-height:300px;padding:26px 18px}
  .simple-quote{margin-top:12px;padding:16px}.simple-quote p{font-size:16px}
  .image-viewer-canvas{inset:56px 10px 82px}.viewer-nav{width:38px;height:56px;font-size:32px;border-radius:12px}.viewer-prev{left:7px}.viewer-next{right:7px}.image-viewer-footer{display:grid;gap:4px;padding:10px 14px 16px}.image-viewer-footer span{font-size:9px}.image-viewer-topbar{padding:0 12px}.viewer-tool{width:36px;height:36px}
}

/* v2.6.1：首页卡片整卡进入详情，放大查看仅用于详情页图片 */
.work-card{cursor:pointer}
.work-card .thumb img{cursor:pointer}