@charset "UTF-8";
/* Teaser 的实验室 · 研究所风格：坐标纸底、等宽读数、电光蓝与青色信号。--blue 保留为强调色别名，供离线界面与旧页面使用。 */
:root{color-scheme:light;--bg:#f4f6fa;--paper:#ffffff;--paper-2:#f9fbfd;--ink:#0d1830;--muted:#5b6a84;--blue:#2457f5;--accent:#2457f5;--teal:#0f9f8a;--signal:#d9861c;--line:#dbe2ee;--line-strong:#c4cfe0;--soft:#e8eefb;--grid:#0d18300b;--glow:#2457f522;--mint:#c9f0e6;--shadow:0 20px 60px #1a2a5014;--display:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",-apple-system,BlinkMacSystemFont,sans-serif;--body:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;--mono:"SF Mono","SFMono-Regular",ui-monospace,Menlo,Consolas,monospace}
:root[data-theme=dark]{color-scheme:dark;--bg:#060a13;--paper:#0c1322;--paper-2:#0f1829;--ink:#e6edfb;--muted:#8a99b4;--blue:#6f9bff;--accent:#6f9bff;--teal:#3fe0c5;--signal:#ffb547;--line:#1b2741;--line-strong:#2a3a5c;--soft:#121d33;--grid:#8fb0ff0d;--glow:#6f9bff26;--mint:#123a35;--shadow:0 24px 70px #0007}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:24px}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--body);font-size:15px;line-height:1.7;overflow-x:hidden}
button,input{font:inherit}button,a,input{-webkit-tap-highlight-color:transparent}button{cursor:pointer;color:inherit}a{color:inherit;text-decoration:none}
button:disabled{cursor:not-allowed;opacity:.5}
button:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:4px}
svg{display:block}::selection{background:var(--accent);color:#fff}[hidden]{display:none!important}
.mono{font-family:var(--mono);letter-spacing:.08em}
.shell{width:min(1200px,calc(100% - 80px));margin-inline:auto}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
.skip-link{position:fixed;top:12px;left:12px;transform:translateY(-150%);padding:10px 18px;background:var(--paper);z-index:20}
.skip-link:focus{transform:none}.skip-link:not(:focus){clip-path:inset(50%);pointer-events:none}
.backdrop{position:fixed;inset:0;z-index:-1;pointer-events:none;background:radial-gradient(900px 520px at 85% -8%,var(--glow),transparent 70%),radial-gradient(700px 420px at -10% 30%,color-mix(in srgb,var(--teal) 10%,transparent),transparent 70%),linear-gradient(var(--grid) 1px,transparent 1px) 0 0/32px 32px,linear-gradient(90deg,var(--grid) 1px,transparent 1px) 0 0/32px 32px}
/* 顶栏 */
.site-header{height:88px;display:flex;align-items:center;justify-content:space-between;gap:20px;border-bottom:1px solid var(--line)}
.brand{display:flex;gap:12px;align-items:center;font-weight:650}
.brand-mark{width:40px;height:40px;color:var(--accent);flex:none}
.brand-mark svg{width:40px;height:40px;animation:spin 18s linear infinite}
.brand-electron{fill:var(--teal)}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text small{font:10px var(--mono);letter-spacing:.2em;color:var(--muted);font-weight:400}
.site-header nav{display:flex;align-items:center;gap:28px;font-size:14px}
.site-header nav a{color:var(--muted)}.site-header nav a:hover{color:var(--accent)}
.icon-button{width:38px;height:38px;background:var(--paper);border:1px solid var(--line);border-radius:50%;display:grid;place-items:center}
.icon-button svg{width:18px;height:18px}
.network-strip{display:flex;justify-content:space-between;align-items:center;gap:14px;color:var(--muted);font-size:11px;margin-top:12px}
.strip-item{display:flex;align-items:center;gap:8px}
.pulse{width:7px;height:7px;border-radius:50%;background:var(--teal);box-shadow:0 0 0 0 var(--teal);animation:ping 2.4s infinite}
/* 首屏 */
.hero{padding-top:64px;padding-bottom:70px;display:grid;grid-template-columns:1.02fr 1fr;align-items:center;gap:56px}
.eyebrow{font:11px/1.5 var(--mono);letter-spacing:.18em;color:var(--accent);margin:0 0 22px;display:flex;gap:10px;align-items:center}
.tiny-orbit{width:11px;height:11px;border:1.5px solid var(--accent);border-radius:50%;position:relative;animation:spin 4s linear infinite}
.tiny-orbit:after{content:"";position:absolute;width:4px;height:4px;background:var(--teal);border-radius:50%;left:-2px;top:0}
h1{font-family:var(--display);font-size:clamp(42px,4.7vw,64px);font-weight:760;line-height:1.18;letter-spacing:-.035em;margin:0 0 24px}
.play-word{background:linear-gradient(100deg,var(--accent),var(--teal));-webkit-background-clip:text;background-clip:text;color:transparent;white-space:nowrap}
.blue-dot{color:var(--teal)}
.hero-description{color:var(--muted);max-width:430px;font-size:15px;line-height:1.95;margin:0 0 28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.primary-link{background:var(--accent);color:#fff;border-radius:10px;display:inline-flex;align-items:center;gap:22px;padding:12px 20px;font-size:14px;box-shadow:0 10px 30px var(--glow);transition:transform .2s,box-shadow .2s}
.primary-link:hover{transform:translateY(-2px);box-shadow:0 14px 34px var(--glow)}
.primary-link span{font-size:18px;line-height:1}
:root[data-theme=dark] .primary-link{color:#06101f;font-weight:600}
.ghost-link{border:1px solid var(--line-strong);background:var(--paper);border-radius:10px;padding:11px 16px;font-size:14px;display:inline-flex;gap:10px;align-items:center}
.ghost-link:hover{border-color:var(--accent);color:var(--accent)}
.metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));margin:34px 0 0;border:1px solid var(--line);border-radius:12px;background:var(--paper);overflow:hidden}
.metrics div{padding:12px 14px;border-left:1px solid var(--line)}.metrics div:first-child{border-left:0}
.metrics dt{font:10px var(--mono);letter-spacing:.14em;color:var(--muted)}
.metrics dd{margin:2px 0 0;font:600 24px/1.2 var(--mono);font-variant-numeric:tabular-nums}
.playground-wrap{position:relative;padding:12px 0 22px}
.canvas-window{background:#070c18;border:1px solid #1e2b47;border-radius:16px;box-shadow:var(--shadow);overflow:hidden;color:#c8d6f5}
.window-bar{height:44px;display:flex;align-items:center;gap:16px;padding:0 16px;border-bottom:1px solid #1a2640;font-size:11px;color:#8a99b4}
.window-dots{display:flex;gap:5px}.window-dots i{height:8px;width:8px;border-radius:50%;background:#2a3a5c}.window-dots i:first-child{background:#ffb547}.window-dots i:nth-child(2){background:#3fe0c5}
.window-tag{margin-left:auto;font:9px var(--mono);letter-spacing:.2em;border:1px solid #3fe0c566;color:#3fe0c5;padding:3px 6px;border-radius:4px}
.canvas-stage{height:340px;position:relative;overflow:hidden;background:radial-gradient(circle at 50% 45%,#0f1d3a,#070c18 70%)}
.canvas-stage canvas{display:block;width:100%;height:100%;touch-action:pan-y}
.canvas-note{position:absolute;top:16px;left:18px;font-size:10px;color:#6f9bff;pointer-events:none}
.canvas-hint{position:absolute;bottom:14px;right:18px;font-size:10px;color:#8a99b4;pointer-events:none}
.window-bottom{display:flex;align-items:center;justify-content:space-between;height:44px;padding:0 16px;border-top:1px solid #1a2640;font-size:10px;color:#8a99b4}
.status-dot{display:inline-block;width:6px;height:6px;background:#3fe0c5;border-radius:50%;margin-right:7px;box-shadow:0 0 8px #3fe0c5}
.window-bottom button{border:0;background:transparent;font-size:10px;padding:6px;color:#8a99b4}.window-bottom button:hover{color:#fff}
.floating-note{position:absolute;left:-26px;bottom:-12px;background:var(--paper);color:var(--ink);border:1px solid var(--line-strong);border-radius:8px;padding:13px 17px;transform:rotate(-5deg);font-size:13px;line-height:1.7;box-shadow:0 10px 24px #0d183014}
.floating-note span{float:right;font-size:28px;margin-left:16px;margin-top:-2px;color:var(--teal)}
/* 区块标题 */
.section-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:26px}
.section-heading .eyebrow{margin-bottom:8px}
h2{font-size:28px;letter-spacing:-.03em;font-weight:680;line-height:1.35;margin:0}
.small-blue-dot{color:var(--teal);padding-left:2px}
.section-heading>p{font-size:12px;color:var(--muted);margin:0 0 4px}
/* 专题 */
.spotlight{border-top:1px solid var(--line);padding-top:44px;padding-bottom:30px}
.spotlight-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.spot{position:relative;display:flex;flex-direction:column;border:1px solid var(--line);border-radius:16px;overflow:hidden;background:var(--paper);transition:transform .22s,box-shadow .22s,border-color .22s;min-height:100%}
.spot:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--line-strong)}
.spot.lead{grid-column:span 2;flex-direction:row}
.spot-cover{position:relative;aspect-ratio:3/2;overflow:hidden;background:#070c18}
.spot.lead .spot-cover{flex:1.2;aspect-ratio:auto;min-height:260px}
.spot-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.spot:hover .spot-cover img{transform:scale(1.03)}
.spot-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:8px;flex:1}
.spot-kicker{font:10px var(--mono);letter-spacing:.18em;color:var(--teal)}
.spot h3{font-size:22px;margin:0;letter-spacing:-.02em}
.spot p{margin:0;color:var(--muted);font-size:13px;line-height:1.85}
.spot-list{display:flex;flex-wrap:wrap;gap:6px;margin-top:4px}
.spot-list span{font-size:11px;border:1px solid var(--line);border-radius:999px;padding:1px 9px;color:var(--muted);background:var(--paper-2)}
.spot-go{margin-top:auto;padding-top:10px;font-size:13px;color:var(--accent);display:flex;align-items:center;gap:8px}
/* 目录 */
.works-section{padding-top:44px;padding-bottom:70px}
.collection-controls{display:flex;align-items:center;justify-content:space-between;gap:20px}
.filters{display:flex;gap:4px;flex-wrap:wrap;background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:4px}
.filters button{border:0;border-radius:9px;background:transparent;padding:7px 15px;font-size:13px;color:var(--muted);white-space:nowrap}
.filters button:hover{color:var(--ink)}
.filters button.active{background:var(--ink);color:var(--bg)}
.filters span{font:10px var(--mono);opacity:.7;margin-left:6px}
.search-box{display:flex;align-items:center;gap:9px;border:1px solid var(--line);border-radius:12px;padding:9px 12px;background:var(--paper);width:290px}
.search-box svg{width:17px;height:17px;color:var(--muted);flex:none}
.search-box input{min-width:0;width:100%;border:0;background:transparent;outline:none;font-size:13px;color:var(--ink)}
.search-box:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px var(--glow)}
.search-box input:focus-visible{outline:0}.search-box input::placeholder{color:var(--muted)}
kbd{font:11px var(--mono);color:var(--muted);padding:0 5px;background:var(--bg);border:1px solid var(--line);border-radius:4px}
.collection-notice{color:var(--muted);font-size:11px;margin:16px 0 22px}
.work-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.work-card{position:relative;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:var(--paper);transition:transform .22s,box-shadow .22s,border-color .22s;display:flex;flex-direction:column}
.work-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--line-strong)}
.work-cover{position:relative;aspect-ratio:1.6;overflow:hidden;border-bottom:1px solid var(--line);background:#070c18}
.work-cover img{width:100%;height:100%;object-fit:cover;transition:transform .45s}
.work-card:hover .work-cover img{transform:scale(1.03)}
.work-cover:after{content:"";position:absolute;inset:0;background:linear-gradient(transparent 55%,#060a1388);pointer-events:none}
.work-index{position:absolute;left:12px;top:12px;z-index:1;font:10px var(--mono);letter-spacing:.12em;color:#e6edfb;background:#060a13b3;border:1px solid #ffffff26;border-radius:5px;padding:2px 7px;backdrop-filter:blur(4px)}
.demo-badge,.hub-badge{position:absolute;right:12px;top:12px;z-index:1;border-radius:5px;font-size:10px;padding:2px 8px;backdrop-filter:blur(4px)}
.demo-badge{background:#ffffffd9;color:#0d1830}
.hub-badge{background:#3fe0c5;color:#04211c;font-weight:650}
.card-content{padding:18px 20px 16px;flex:1;display:flex;flex-direction:column}
.card-category{color:var(--accent);font:11px var(--mono);letter-spacing:.12em;margin:0 0 6px;display:flex;align-items:center;gap:7px}
.category-dot{width:6px;height:6px;background:currentColor;border-radius:50%}
.card-category[data-cat=interactive]{color:var(--teal)}.card-category[data-cat=game]{color:var(--signal)}
.work-card h3{font-size:19px;line-height:1.4;letter-spacing:-.02em;margin:0 0 8px;font-weight:660}
.card-description{font-size:12.5px;line-height:1.85;color:var(--muted);margin:0 0 18px}
.card-footer{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;border-top:1px dashed var(--line);padding-top:13px}
.card-tags{display:flex;gap:5px;flex-wrap:wrap}
.card-tags span{font-size:10px;color:var(--muted);background:var(--bg);border:1px solid var(--line);border-radius:5px;padding:1px 6px}
.open-work{font-size:11px;white-space:nowrap;display:flex;align-items:center;gap:7px;color:var(--ink)}
.open-work b{font-size:16px;font-weight:400;color:var(--accent);transition:transform .2s}
.work-card:hover .open-work b{transform:translate(2px,-2px)}
.empty-state{text-align:center;border:1px dashed var(--line-strong);border-radius:14px;margin-top:20px;padding:46px 16px;color:var(--muted);background:var(--paper)}
.empty-state>span{font-size:40px}.empty-state h3{color:var(--ink);margin:10px 0;font-size:20px}.empty-state p{font-size:13px}
.secondary-button{border:1px solid var(--line);background:var(--paper);border-radius:8px;padding:9px 16px;font-size:12px}
/* 方法 */
.about-section{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.3fr);gap:40px;align-items:start;border:1px solid var(--line);border-radius:18px;padding:40px;margin-bottom:56px;background:linear-gradient(135deg,var(--paper),var(--paper-2))}
.about-head h2{font-size:26px;margin-bottom:12px}
.about-head>p:not(.eyebrow){font-size:13px;line-height:1.95;color:var(--muted);margin:0}
.method{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.method li{border:1px solid var(--line);border-radius:12px;padding:18px;background:var(--paper)}
.method span{font-size:10px;color:var(--teal)}
.method h3{margin:6px 0 6px;font-size:18px}
.method p{margin:0;font-size:12.5px;line-height:1.85;color:var(--muted)}
.contact-links{display:flex;flex-wrap:wrap;gap:18px}.contact-links:not(:empty){margin-top:15px}
.contact-links a{font-size:12px;text-decoration:underline;text-underline-offset:4px}
.site-footer{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line);padding:24px 0 30px;font-size:11px;color:var(--muted);gap:20px}
.footer-spark{font-size:15px;color:var(--teal);padding-left:10px;vertical-align:middle}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes ping{0%{box-shadow:0 0 0 0 color-mix(in srgb,var(--teal) 60%,transparent)}80%,100%{box-shadow:0 0 0 8px transparent}}
@media(max-width:1050px){.shell{width:calc(100% - 56px)}.hero{gap:34px}.canvas-stage{height:300px}.work-grid{gap:14px}.spotlight-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.spot.lead{grid-column:span 2}.about-section{grid-template-columns:1fr;padding:30px}}
@media(max-width:760px){.shell{width:calc(100% - 32px)}.site-header{height:72px}.brand-text small{display:none}.brand{font-size:14px}.site-header nav{gap:14px;font-size:13px}.site-header nav a[href="#spotlight"],.site-header nav a[href="#about"]{display:none}#lab-clock{display:none}
  .hero{grid-template-columns:1fr;padding-top:38px;padding-bottom:46px;gap:30px}h1{font-size:clamp(38px,10vw,54px)}.hero-description{font-size:14px}
  .metrics{grid-template-columns:repeat(2,minmax(0,1fr))}.metrics div:nth-child(3){border-left:0}.metrics div:nth-child(n+3){border-top:1px solid var(--line)}
  .playground-wrap{padding:6px 4px 10px}.canvas-stage{height:260px}.floating-note{left:-2px;bottom:-12px;font-size:11px;padding:9px 13px}
  .section-heading{margin-bottom:20px;align-items:flex-start}.section-heading h2{font-size:23px}.section-heading>p{display:none}
  .spotlight{padding-top:32px}.spotlight-grid{grid-template-columns:1fr}.spot.lead{grid-column:auto;flex-direction:column}.spot.lead .spot-cover{min-height:0;aspect-ratio:3/2}
  .works-section{padding-top:32px;padding-bottom:40px}.collection-controls{align-items:stretch;flex-direction:column;gap:12px}.filters{justify-content:space-between}.filters button{padding:7px 12px;flex:1}.search-box{width:100%}.search-box kbd{display:none}
  .work-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.work-card h3{font-size:17px}.card-content{padding:14px}.card-description{margin-bottom:14px}.card-footer{flex-direction:column;align-items:flex-start;gap:10px}
  .about-section{padding:22px 18px;margin-bottom:34px}.method{grid-template-columns:1fr}
  .site-footer{font-size:10px;flex-wrap:wrap;gap:12px}.site-footer>span:nth-child(2){order:3;flex-basis:100%}.site-footer>a{margin-left:auto}}
@media(max-width:480px){.work-grid{grid-template-columns:1fr}.card-footer{flex-direction:row;align-items:center}.site-header nav{gap:10px}.canvas-note{font-size:9px;left:14px}.canvas-hint{display:none}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}
body{padding-left:env(safe-area-inset-left);padding-right:env(safe-area-inset-right);padding-bottom:env(safe-area-inset-bottom)}