:root{--bg:#f8fafc;--surface:#fff;--text:#0f172a;--muted:#64748b;--border:#e2e8f0;--primary:#2563eb;--dark:#0f172a;--max:1180px}
*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;background:var(--bg);color:var(--text);line-height:1.6}a{text-decoration:none;color:inherit}.container{width:min(100% - 40px,var(--max));margin:auto}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.95);border-bottom:1px solid var(--border)}.header-inner{height:72px;display:flex;align-items:center;justify-content:space-between}.logo{font-size:25px;font-weight:900}.main-nav{display:flex;gap:24px;color:var(--muted);font-weight:650;font-size:14px}.menu-button{display:none}
.hero{padding:90px 0;background:linear-gradient(180deg,#fff,#f8fafc)}.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}.badge{display:inline-block;background:#eff6ff;color:var(--primary);padding:7px 13px;border-radius:999px;font-size:12px;font-weight:800}.hero h1{font-size:clamp(46px,7vw,76px);line-height:.98;letter-spacing:-3px;margin:18px 0}.hero h1 span{color:var(--primary)}.hero p{color:var(--muted);font-size:19px}.search-box{display:flex;gap:6px;background:#fff;border:1px solid var(--border);border-radius:14px;padding:6px;margin-top:28px}.search-box input{flex:1;border:0;outline:0;padding:13px}.search-box button{border:0;background:var(--primary);color:#fff;border-radius:10px;padding:0 18px;font-weight:800}
.hero-panel{background:var(--dark);color:#fff;border-radius:22px;padding:28px}.hero-panel small{color:#93c5fd;font-weight:800}.hero-panel h2{font-size:28px;line-height:1.15}.hero-panel p{color:#cbd5e1;font-size:15px}.hero-panel a{display:inline-block;background:#fff;color:var(--dark);padding:10px 15px;border-radius:10px;font-weight:800}
.section{padding:82px 0}.section.alt{background:#fff;border-block:1px solid var(--border)}.section-head{max-width:720px;margin-bottom:32px}.section-head span{color:var(--primary);font-weight:800;font-size:12px}.section-head h2{font-size:40px;line-height:1.1;margin:8px 0}.section-head p{color:var(--muted)}
.grid-4,.grid-3,.tool-list{display:grid;gap:18px}.grid-4{grid-template-columns:repeat(4,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}
.tool-list{grid-template-columns:repeat(2,minmax(0,1fr))}.card,.tool-card{background:#fff;border:1px solid var(--border);border-radius:16px;padding:22px}.card{display:flex;flex-direction:column;min-height:220px}.icon{width:48px;height:48px;display:grid;place-items:center;background:#eff6ff;border-radius:13px;font-size:23px;margin-bottom:16px}.card h3,.tool-card h3{margin:0 0 8px}.card p,.tool-card p{color:var(--muted);font-size:14px}.card .link,.tool-card a{margin-top:auto;color:var(--primary);font-weight:800}.status-pill{display:inline-block;background:#f1f5f9;color:#475569;padding:5px 9px;border-radius:999px;font-size:11px;font-weight:800}
.page-hero{padding:62px 0 38px;background:#fff;border-bottom:1px solid var(--border)}.page-hero h1{font-size:52px;line-height:1.05;margin:10px 0}.page-hero p{max-width:760px;color:var(--muted);font-size:18px}.prose{max-width:850px;padding:50px 0 78px}.prose h2{margin-top:30px}.prose p{color:#475569}.notice{background:#eff6ff;border:1px solid #bfdbfe;padding:15px;border-radius:12px}
.footer{padding:42px 0 22px;background:#f1f5f9;border-top:1px solid var(--border)}.footer-grid{display:grid;grid-template-columns:1.2fr repeat(3,.8fr);gap:28px}.footer a{display:block;color:var(--muted);font-size:14px;margin:6px 0}.footer-brand{font-size:23px;font-weight:900}.copyright{margin-top:28px;padding-top:16px;border-top:1px solid var(--border);color:var(--muted);font-size:13px}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr}.grid-4{grid-template-columns:repeat(2,1fr)}.grid-3,.tool-list,.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:680px){.container{width:min(100% - 28px,var(--max))}.main-nav{display:none;position:absolute;top:66px;left:14px;right:14px;flex-direction:column;background:#fff;border:1px solid var(--border);padding:12px;border-radius:14px}.main-nav.open{display:flex}.menu-button{display:block}.hero{padding:64px 0}.search-box{flex-direction:column}.search-box button{min-height:44px}.grid-4,.grid-3,.tool-list,.footer-grid{grid-template-columns:1fr}.page-hero h1{font-size:42px}}