:root{--ink:#14181d;--muted:#5b6470;--line:#e6e9ee;--bg:#ffffff;--soft:#f5f7fa;--accent:#0f766e;--accent-ink:#ffffff;--code:#0f1419;--code-ink:#e6edf3;--warn:#b45309;--ok:#15803d;--radius:10px;--max:1080px}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font:16px/1.55 -apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,sans-serif;color:var(--ink);background:var(--bg)}
a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}
code,pre,kbd{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.92em}
code{background:var(--soft);padding:.1em .35em;border-radius:5px}
pre{background:var(--code);color:var(--code-ink);padding:16px 18px;border-radius:var(--radius);overflow:auto;line-height:1.5;font-size:13.5px}
pre code{background:none;padding:0;color:inherit}
h1{font-size:clamp(30px,5vw,46px);line-height:1.1;letter-spacing:-.02em;margin:0 0 14px}
h2{font-size:26px;letter-spacing:-.015em;margin:44px 0 12px}h3{font-size:18px;margin:26px 0 8px}
p{margin:0 0 12px}.muted{color:var(--muted)}.small{font-size:14px}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
header.top{border-bottom:1px solid var(--line);position:sticky;top:0;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);z-index:5}
header.top .wrap{display:flex;align-items:center;gap:22px;height:58px}
.brand{font-weight:700;letter-spacing:-.01em;color:var(--ink);display:flex;align-items:center;gap:8px}.brand i{width:10px;height:10px;border-radius:3px;background:var(--accent);display:inline-block}
nav.main{display:flex;gap:18px;margin-left:auto;align-items:center}nav.main a{color:var(--ink);font-size:15px}
.btn{display:inline-block;padding:9px 16px;border-radius:8px;border:1px solid var(--ink);color:var(--ink);font-weight:600;font-size:15px;cursor:pointer;background:#fff;line-height:1.2}
.btn:hover{text-decoration:none;background:var(--soft)}.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}.btn.primary:hover{filter:brightness(1.08)}
.btn.small{padding:6px 11px;font-size:13.5px}.btn.danger{border-color:#c0392b;color:#c0392b}.btn:disabled{opacity:.5;cursor:default}
.hero{padding:72px 0 40px}.hero p.lead{font-size:20px;max-width:640px;color:var(--muted)}.hero .cta{display:flex;gap:12px;margin-top:22px;flex-wrap:wrap}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:14px;margin:28px 0}
.stat{border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px}.stat b{display:block;font-size:26px;letter-spacing:-.02em}.stat span{color:var(--muted);font-size:14px}
.grid{display:grid;gap:16px}.grid.c2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}.grid.c3{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}.grid.c4{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}
.card{border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;background:#fff}.card h3{margin-top:0}
.clips{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:14px}
.clip{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--soft)}
.clip video,.clip img{width:100%;aspect-ratio:16/9;object-fit:cover;display:block;background:#000}
.clip .m{padding:10px 12px}.clip b{display:block;font-size:14px}.clip span{font-size:12px;color:var(--muted)}
.tag{display:inline-block;font-size:12px;padding:2px 8px;border-radius:999px;background:var(--soft);color:var(--muted);margin:2px 4px 0 0}
section{padding:26px 0}section.alt{background:var(--soft)}
footer{border-top:1px solid var(--line);margin-top:60px;padding:30px 0;color:var(--muted);font-size:14px}footer .wrap{display:flex;gap:20px;flex-wrap:wrap;justify-content:space-between}footer a{color:var(--muted)}
table{border-collapse:collapse;width:100%;font-size:14.5px}th,td{text-align:left;padding:9px 10px;border-bottom:1px solid var(--line);vertical-align:top}th{font-weight:600;color:var(--muted);font-size:13px;text-transform:uppercase;letter-spacing:.04em}
.table-wrap{overflow-x:auto}
.plans{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin:26px 0}
.plan{border:1px solid var(--line);border-radius:var(--radius);padding:22px;display:flex;flex-direction:column}.plan.hot{border-color:var(--accent);box-shadow:0 0 0 3px rgba(15,118,110,.12)}
.plan .price{font-size:34px;font-weight:700;letter-spacing:-.02em;margin:6px 0}.plan .price small{font-size:14px;font-weight:400;color:var(--muted)}
.plan ul{padding-left:18px;margin:10px 0 18px;flex:1}.plan li{margin:4px 0;font-size:14.5px}
form.stack{display:flex;flex-direction:column;gap:12px;max-width:440px}label{font-size:14px;font-weight:600;display:flex;flex-direction:column;gap:5px}
input,textarea,select{font:inherit;padding:10px 12px;border:1px solid #c8cfd8;border-radius:8px;width:100%}input:focus,textarea:focus{outline:2px solid var(--accent);border-color:var(--accent)}
.notice{padding:12px 14px;border-radius:8px;background:#fff7ed;border:1px solid #fed7aa;color:#7c2d12;font-size:14.5px}.notice.ok{background:#f0fdf4;border-color:#bbf7d0;color:#14532d}.notice.err{background:#fef2f2;border-color:#fecaca;color:#7f1d1d}
.docs{display:grid;grid-template-columns:230px 1fr;gap:40px;padding-top:30px}.docs aside{position:sticky;top:78px;align-self:start;font-size:14px}.docs aside a{display:block;color:var(--ink);padding:4px 0}.docs aside a.sub{padding-left:14px;color:var(--muted)}
.docs main h2{margin-top:56px;padding-top:12px;border-top:1px solid var(--line)}.docs main h2:first-child{margin-top:0;border:0;padding-top:0}
@media(max-width:820px){.docs{grid-template-columns:1fr}.docs aside{position:static;border:1px solid var(--line);border-radius:var(--radius);padding:12px 16px}nav.main{gap:12px}nav.main a.hide-sm{display:none}}
details{border:1px solid var(--line);border-radius:var(--radius);padding:12px 16px;margin:8px 0}summary{cursor:pointer;font-weight:600}details p{margin-top:10px}
.kv{display:grid;grid-template-columns:max-content 1fr;gap:6px 18px;font-size:14.5px}.kv b{font-weight:600}
.bar{height:8px;background:var(--soft);border-radius:4px;overflow:hidden}.bar i{display:block;height:100%;background:var(--accent)}
.days{display:flex;gap:2px;align-items:flex-end;height:46px}.days i{flex:1;background:var(--accent);opacity:.7;border-radius:2px 2px 0 0;min-height:2px}
.copy{cursor:pointer;font-size:12.5px;color:var(--accent);margin-left:8px}
.pill{font-size:12px;padding:2px 8px;border-radius:999px;background:var(--accent);color:#fff;font-weight:600;vertical-align:middle}