:root{--bg:#f8f9fe;--surface:#fff;--text:#1a1a2e;--muted:#6b7280;--border:#e5e7eb;--primary:#5b5be0;--grad:linear-gradient(135deg,#a044e6 0%,#3f63dc 60%,#1f7fd0 100%);--soft:#eef0ff;--tip:#ecfdf5;--tipb:#059669;--warn:#fff7ed;--warnb:#ea580c;--note:#eff6ff;--noteb:#2563eb;--code:#f3f4f6;--shot:#f1f2fb}
@media(prefers-color-scheme:dark){:root:not([data-theme]){--bg:#0f1020;--surface:#191a30;--text:#ececf6;--muted:#9ca3af;--border:#2b2d4a;--primary:#8b8bff;--soft:#22244a;--tip:#0f2a22;--warn:#2c1d12;--note:#12203a;--code:#22233d;--shot:#22233d}}
:root[data-theme=dark]{--bg:#0f1020;--surface:#191a30;--text:#ececf6;--muted:#9ca3af;--border:#2b2d4a;--primary:#8b8bff;--soft:#22244a;--tip:#0f2a22;--warn:#2c1d12;--note:#12203a;--code:#22233d;--shot:#22233d}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.6 system-ui,-apple-system,Roboto,"Segoe UI",sans-serif}
a{color:var(--primary)}
.top{background:var(--grad);color:#fff;padding:14px 16px;display:flex;align-items:center;gap:12px}
.top img{width:40px;height:40px;border-radius:10px;background:#fff}
.top a{color:#fff;text-decoration:none;font-weight:800;font-size:18px}
.top small{display:block;font-weight:400;opacity:.85;font-size:12px}
.wrap{max-width:820px;margin:0 auto;padding:16px 16px 40px}
.crumbs{font-size:13px;color:var(--muted);margin:4px 0 8px}
h1{font-size:26px;line-height:1.25;margin:8px 0 6px}
h2{font-size:20px;margin:28px 0 8px;padding-top:6px;border-top:1px solid var(--border)}
h3{font-size:17px;margin:20px 0 6px}
.lead{color:var(--muted);margin:0 0 14px}
.toc{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:10px 16px;margin:14px 0}
.toc b{font-size:13px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}
.toc ol{margin:6px 0 2px;padding-left:20px}
.card{display:block;background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:14px;text-decoration:none;color:var(--text)}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:12px;margin:12px 0}
.card .ic{font-size:26px}.card b{display:block;margin-top:4px}.card span{color:var(--muted);font-size:14px}
.search{display:flex;gap:8px;margin:14px 0}
.search input{flex:1;min-width:0;padding:12px 14px;border-radius:12px;border:1px solid var(--border);background:var(--surface);color:var(--text);font-size:16px}
.search button{padding:0 18px;border:0;border-radius:12px;background:var(--grad);color:#fff;font-weight:700;font-size:16px}
.callout{border-left:4px solid;border-radius:8px;padding:10px 14px;margin:14px 0}
.callout p{margin:4px 0}
.tip{background:var(--tip);border-color:var(--tipb)}.warn{background:var(--warn);border-color:var(--warnb)}.note{background:var(--note);border-color:var(--noteb)}
.callout .k{font-weight:800;font-size:13px;text-transform:uppercase;letter-spacing:.04em}
ol.steps{counter-reset:s;list-style:none;padding:0;margin:10px 0}
ol.steps>li{counter-increment:s;position:relative;padding:2px 0 10px 40px;min-height:32px}
ol.steps>li:before{content:counter(s);position:absolute;left:0;top:0;width:28px;height:28px;border-radius:50%;background:var(--grad);color:#fff;font-weight:700;text-align:center;line-height:28px;font-size:14px}
table{border-collapse:collapse;width:100%;font-size:14.5px;background:var(--surface);border:1px solid var(--border);border-radius:10px;display:block;overflow-x:auto}
th,td{border-bottom:1px solid var(--border);padding:8px 10px;text-align:left;vertical-align:top}
th{background:var(--soft);white-space:nowrap}
code,kbd{background:var(--code);border-radius:6px;padding:1px 6px;font-size:.92em}
.ui{font-weight:700;color:var(--primary)}
figure.shot{margin:16px auto;max-width:320px;text-align:center}
figure.shot img{width:100%;height:auto;border-radius:16px;border:1px solid var(--border);background:var(--shot)}
figure.shot figcaption{font-size:13px;color:var(--muted);margin-top:6px}
details{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:0 14px;margin:8px 0}
summary{cursor:pointer;font-weight:700;padding:12px 0}
details[open] summary{border-bottom:1px solid var(--border);margin-bottom:8px}
.pn{display:flex;gap:10px;margin:32px 0 8px}
.pn a{flex:1;background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:10px 14px;text-decoration:none;font-weight:700}
.pn a small{display:block;color:var(--muted);font-weight:400}.pn .r{text-align:right}
footer{color:var(--muted);font-size:13px;text-align:center;margin-top:28px}
.res{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:12px 14px;margin:10px 0}
.res a{font-weight:700;text-decoration:none}.res small{color:var(--muted);display:block}.res p{margin:4px 0 0;font-size:14px}
mark{background:#fde68a;color:#1a1a2e;border-radius:3px}