:root{--bg:#f7f8fb;--surface:#fff;--text:#1a1d29;--muted:#5c6378;--border:#e3e6ef;--brand:#4f46e5;--brand-2:#06b6d4;--brand-soft:#eef0ff;--danger:#dc2626;--danger-soft:#fef2f2;--success:#059669;--success-soft:#ecfdf5;--radius:14px;--max:880px}@media (prefers-color-scheme:dark){:root{--bg:#0d0f17;--surface:#151926;--text:#e8eaf2;--muted:#9aa1b8;--border:#262b3d;--brand:#818cf8;--brand-soft:#1e2140;--danger:#f87171;--danger-soft:#2a1517;--success:#34d399;--success-soft:#0f2a22}}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.65}a{color:var(--brand)}.container{max-width:var(--max);margin:0 auto;padding:0 20px}.site-header{z-index:10;background:color-mix(in srgb, var(--bg) 85%, transparent);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--border);position:sticky;top:0}.site-header .container{justify-content:space-between;align-items:center;gap:16px;height:64px;display:flex}.brand{color:var(--text);align-items:center;gap:10px;font-size:1.15rem;font-weight:700;text-decoration:none;display:flex}.brand img{border-radius:9px;width:34px;height:34px}.nav{flex-wrap:wrap;gap:4px;display:flex}.nav a{color:var(--muted);border-radius:8px;padding:6px 10px;font-size:.92rem;text-decoration:none}.nav a:hover{color:var(--text);background:var(--brand-soft)}.nav a.active{color:var(--brand);background:var(--brand-soft);font-weight:600}.menu-btn{border:1px solid var(--border);color:var(--text);cursor:pointer;background:0 0;border-radius:8px;padding:6px 10px;font-size:1rem;display:none}@media (width<=720px){.menu-btn{display:block}.nav{background:var(--surface);border-bottom:1px solid var(--border);flex-direction:column;padding:8px 16px 16px;display:none;position:absolute;top:64px;left:0;right:0}.nav.open{display:flex}}.hero{text-align:center;padding-top:72px;padding-bottom:48px}.hero img{border-radius:22px;width:88px;height:88px;box-shadow:0 10px 30px #4f46e540}.hero h1{letter-spacing:-.02em;margin:20px 0 8px;font-size:clamp(2rem,5vw,3rem)}.hero h1 span{background:linear-gradient(90deg, var(--brand), var(--brand-2));color:#0000;-webkit-background-clip:text;background-clip:text}.hero p{color:var(--muted);max-width:560px;margin:0 auto 28px;font-size:1.1rem}.btn{cursor:pointer;border:1px solid #0000;border-radius:10px;padding:12px 22px;font-family:inherit;font-size:1rem;font-weight:600;text-decoration:none;display:inline-block}.btn-primary{background:var(--brand);color:#fff}.btn-primary:hover{filter:brightness(1.08)}.btn-outline{border-color:var(--border);color:var(--text);background:var(--surface)}.btn-danger{background:var(--danger);color:#fff}.btn-danger:disabled{opacity:.5;cursor:not-allowed}.btn-row{flex-wrap:wrap;justify-content:center;gap:12px;display:flex}.grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;padding-bottom:64px;display:grid}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);padding:22px;text-decoration:none;transition:transform .15s,border-color .15s}a.card:hover{border-color:var(--brand);transform:translateY(-2px)}.card h3{margin:0 0 6px;font-size:1.05rem}.card p{color:var(--muted);margin:0;font-size:.93rem}.page{padding-top:48px;padding-bottom:72px}.page-head{margin-bottom:28px}.page-head h1{letter-spacing:-.02em;margin:0 0 6px;font-size:clamp(1.8rem,4vw,2.4rem)}.page-head .meta{color:var(--muted);font-size:.92rem}.doc{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:clamp(20px,4vw,40px)}.doc h2{margin:32px 0 8px;padding-top:8px;scroll-margin-top:72px;font-size:1.25rem}.doc h2:first-child{margin-top:0}.doc h3{margin:20px 0 6px;font-size:1.05rem}.doc p,.doc li{color:var(--text)}.doc ul,.doc ol{padding-left:22px}.doc li{margin:4px 0}.toc{background:var(--brand-soft);border-radius:10px;margin-bottom:24px;padding:16px 20px}.toc strong{margin-bottom:6px;display:block}.toc ol{columns:2;column-gap:32px;margin:0}@media (width<=600px){.toc ol{columns:1}}.toc a{text-decoration:none}.note{border-left:4px solid var(--brand);background:var(--brand-soft);border-radius:8px;margin:16px 0;padding:12px 16px}.note.danger{border-color:var(--danger);background:var(--danger-soft)}.form{gap:16px;margin-top:8px;display:grid}.field label{margin-bottom:6px;font-size:.95rem;font-weight:600;display:block}.field input,.field select,.field textarea{border:1px solid var(--border);background:var(--bg);width:100%;color:var(--text);font:inherit;border-radius:10px;padding:11px 13px}.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid var(--brand);outline-offset:1px}.check{align-items:flex-start;gap:10px;font-size:.95rem;display:flex}.check input{margin-top:5px}.success-box{background:var(--success-soft);border:1px solid var(--success);border-radius:var(--radius);margin-top:8px;padding:22px;display:none}.success-box.show{display:block}.success-box h3{color:var(--success);margin:0 0 6px}.site-footer{border-top:1px solid var(--border);color:var(--muted);padding:28px 0;font-size:.9rem}.site-footer .container{flex-wrap:wrap;justify-content:space-between;gap:16px;display:flex}.site-footer nav{flex-wrap:wrap;gap:16px;display:flex}.site-footer a{color:var(--muted);text-decoration:none}.site-footer a:hover{color:var(--text)}