:root{--bg:#0e0f0f;--panel:#181a18;--line:#30332e;--ink:#efeee8;--muted:#969a91;--acid:#d8ff45}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:"Noto Sans SC",sans-serif}a{color:inherit}button,input,select,textarea{font:inherit}header{height:64px;padding:0 28px;border-bottom:1px solid var(--line);display:grid;grid-template-columns:1fr auto 1fr;align-items:center;position:sticky;top:0;background:#0e0f0ff0;z-index:10}header a{text-decoration:none}header b{font-size:15px}header span{justify-self:end;font:10px "DM Mono";color:var(--muted)}main{display:grid;grid-template-columns:250px minmax(0,1fr)}aside{height:calc(100vh - 64px);position:sticky;top:64px;padding:35px 25px;border-right:1px solid var(--line);display:flex;flex-direction:column}aside>p{font:10px "DM Mono";color:var(--muted)}aside nav{display:flex;flex-direction:column;margin-top:18px}aside nav a{padding:12px 0;border-bottom:1px solid var(--line);text-decoration:none;font-size:13px}aside nav a:hover{color:var(--acid)}aside small{margin-top:auto;color:var(--muted);line-height:1.7}.workspace{min-width:0}.tool{display:none;padding:5vw;min-height:calc(100vh - 64px)}.tool.active{display:block}.title{display:flex;justify-content:space-between;gap:30px;align-items:flex-start;margin-bottom:35px}.title i{font:10px "DM Mono";color:var(--acid)}.title h1{font-size:clamp(35px,5vw,70px);letter-spacing:-.05em;margin:10px 0}.title p{color:var(--muted);max-width:650px}.title button,.inline-form button{background:var(--acid);color:#111;border:0;padding:12px 18px;cursor:pointer;white-space:nowrap}.split{display:grid;grid-template-columns:1fr 1fr;min-height:500px;border:1px solid var(--line)}textarea{background:#121312;color:var(--ink);border:0;resize:vertical;padding:25px;line-height:1.8;outline:0}.preview,.wechat-preview{background:#eeece5;color:#181915;padding:35px;overflow:auto}.preview h1,.wechat-preview h1{font-size:34px}.preview h2,.wechat-preview h2{margin-top:32px}.preview blockquote,.wechat-preview blockquote{border-left:4px solid #222;margin:25px 0;padding:5px 20px;color:#666}.credit{font-size:11px;color:var(--muted);margin-top:20px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line)}label{display:flex;flex-direction:column;gap:8px;font-size:12px}.form-grid label{background:var(--panel);padding:20px}.form-grid textarea{min-height:130px;padding:15px;border:1px solid var(--line)}pre{white-space:pre-wrap;background:#111;border:1px solid var(--line);padding:25px;color:var(--acid);line-height:1.8;min-height:180px}.inline-form{display:grid;grid-template-columns:2fr 1fr auto;gap:12px;align-items:end;margin-bottom:28px}.inline-form input,.inline-form select{height:45px;background:var(--panel);border:1px solid var(--line);color:var(--ink);padding:0 12px}.inline-form.compact{grid-template-columns:240px}.deck{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.slide{aspect-ratio:16/9;background:#e9e7df;color:#111;padding:22px;display:flex;flex-direction:column;justify-content:space-between}.slide b{font:10px "DM Mono"}.slide h3{font-size:22px;margin:0}.slide p{font-size:12px;color:#666}.design-preview{border:1px solid var(--line);min-height:440px;padding:30px;background:var(--panel)}.design-system{display:grid;grid-template-columns:1fr 1fr;gap:25px}.swatches{display:flex;gap:8px}.swatches i{width:50px;height:50px;border-radius:50%}.wireframe{margin-top:25px;border:1px solid #777;padding:18px;display:grid;gap:12px}.wireframe div{border:1px solid #777;padding:20px}.wireframe .hero-box{min-height:130px;background:color-mix(in srgb,var(--acid) 12%,transparent)}.wechat-preview[data-theme="green"]{--wx:#187b56}.wechat-preview[data-theme="red"]{--wx:#b62e28}.wechat-preview[data-theme="graphite"]{--wx:#252525}.wechat-preview h1{border-bottom:4px solid var(--wx);padding-bottom:15px}.wechat-preview h2{color:var(--wx)}.wechat-preview strong{border-bottom:2px solid var(--wx)}@media(max-width:800px){header{grid-template-columns:1fr auto}header b{display:none}main{grid-template-columns:1fr}aside{height:auto;position:static;border-right:0;border-bottom:1px solid var(--line);padding:14px 18px}aside>p,aside small{display:none}aside nav{flex-direction:row;overflow:auto;margin:0;gap:18px}aside nav a{white-space:nowrap;border:0}.tool{padding:10vw 5vw}.title{flex-direction:column}.split,.form-grid,.design-system{grid-template-columns:1fr}.inline-form{grid-template-columns:1fr}.deck{grid-template-columns:1fr 1fr}}@media(max-width:520px){header span{display:none}.deck{grid-template-columns:1fr}.split{display:flex;flex-direction:column}.split textarea{min-height:320px}}
.lab-intro{min-height:calc(100vh - 64px);padding:7vw 5vw;display:grid;grid-template-columns:1.1fr .9fr;gap:8vw;align-items:center;border-bottom:1px solid var(--line);background:radial-gradient(circle at 80% 15%,color-mix(in srgb,var(--acid) 14%,transparent),transparent 33%)}.lab-intro i{font:10px "DM Mono";color:var(--acid)}.lab-intro h1{font-size:clamp(48px,7vw,100px);line-height:.98;letter-spacing:-.065em;margin:18px 0}.lab-intro p{font-size:17px;line-height:1.9;color:var(--muted)}.lab-intro>a{grid-column:2;text-decoration:none;color:var(--acid);font:12px "DM Mono"}
aside nav a.active{color:var(--acid);padding-left:12px;border-left:3px solid var(--acid)}
.guide{margin-top:18px;padding:18px;border:1px solid var(--line);display:grid;grid-template-columns:65px 1fr auto;gap:12px 18px;align-items:center;background:color-mix(in srgb,var(--panel) 80%,transparent)}.guide-top{margin:-8px 0 28px}.guide>b{font:10px "DM Mono";color:var(--acid)}.guide>span{font-size:13px;color:var(--muted)}.guide ol{grid-column:1/3;display:grid;grid-template-columns:repeat(3,1fr);counter-reset:step;list-style:none;margin:4px 0 0;padding:0;gap:8px}.guide li{padding:11px;border:1px solid var(--line);font-size:12px}.guide li::before{counter-increment:step;content:"0" counter(step) " ";font:10px "DM Mono";color:var(--acid)}.reset{grid-row:1/3;grid-column:3;border:1px solid var(--line);background:none;color:var(--ink);padding:9px 11px;cursor:pointer}.reset:hover{border-color:var(--acid);color:var(--acid)}
.toast{position:fixed;right:24px;bottom:24px;padding:12px 16px;background:var(--acid);color:#111;font-size:12px;z-index:30;transform:translateY(20px);opacity:0;transition:.2s}.toast.show{transform:none;opacity:1}
@media(max-width:800px){.lab-intro{grid-template-columns:1fr;min-height:auto;padding:16vw 5vw}.lab-intro>a{grid-column:1}.guide{grid-template-columns:1fr}.guide>b,.guide>span,.guide ol,.reset{grid-column:1;grid-row:auto}.guide ol{grid-template-columns:1fr}.lab-intro h1{font-size:52px}}