:root{--bg:#0f0f10;--panel:#171719;--line:#2b2b2f;--text:#f4f4f1;--muted:#7d7d83;--lime:#d8ff5b}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif}a{color:inherit;text-decoration:none}button,input{font:inherit}.container{width:min(1160px,92%);margin:auto}
.site-header{height:72px;position:sticky;top:0;z-index:50;background:rgba(15,15,16,.94);backdrop-filter:blur(14px);border-bottom:1px solid #27272a}.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;gap:11px;align-items:center}.brand-mark{width:38px;height:38px;background:var(--lime);color:#111;display:grid;place-items:center;font-weight:800;font-size:10px}.brand-copy strong{display:block;font-size:14px}.brand-copy span{display:block;font-size:9px;color:#66666c;letter-spacing:1.6px}.nav{display:flex;gap:24px;align-items:center}.nav a{font-size:10px;color:#717177}.nav a.active{color:#fff}.nav-cta{background:var(--lime)!important;color:#111!important;padding:10px 14px}.mobile-nav{display:none}
.hero{padding:88px 0 60px;border-bottom:1px solid #27272a}.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:55px;align-items:end}.eyebrow,.section-kicker{font-size:9px;letter-spacing:2.5px;color:#7d7d83}.hero h1{font-size:64px;line-height:1.01;letter-spacing:-2.8px;margin:18px 0 0}.hero h1 span{color:var(--lime)}.hero p{font-size:12px;line-height:1.9;color:#86868c;margin-top:20px}.hero-actions{display:flex;gap:9px;margin-top:25px}.btn{border:1px solid #333337;background:#19191b;color:#eee;padding:10px 14px;font-size:10px;cursor:pointer;display:inline-flex;justify-content:center}.btn.primary{background:var(--lime);color:#111;border-color:var(--lime);font-weight:700}.score{background:var(--lime);color:#111;padding:28px;min-height:260px;display:flex;flex-direction:column;justify-content:space-between}.score small{font-size:9px;letter-spacing:2px}.score strong{font-size:76px;letter-spacing:-4px}.score span{font-size:11px}
.section{padding:88px 0}.section-head{display:grid;grid-template-columns:.6fr 1.4fr;gap:50px;margin-bottom:38px}.section-head h2{font-size:34px;letter-spacing:-1.3px;margin:0}.section-head p{font-size:10px;line-height:1.9;color:#7f7f85}.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.card{border:1px solid #2b2b2f;background:#151517;padding:20px}.card b{font-size:9px;color:var(--lime)}.card h3{font-size:14px;margin-top:24px}.card p{font-size:10px;line-height:1.9;color:#77777d}
.page-hero{padding:54px 0 36px;border-bottom:1px solid #27272a}.page-hero h1{font-size:40px;letter-spacing:-1.5px;margin:10px 0 0}.page-hero p{font-size:11px;line-height:1.9;color:#808086;max-width:700px}
.tool-wrap{padding:34px 0 82px}.tool-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:13px}.tool-card{background:#171719;border:1px solid #2b2b2f;padding:21px}.tool-card h2{font-size:14px;margin:0 0 4px}.tool-card p{font-size:9px;color:#77777d;margin:0 0 16px}.row{display:flex;gap:8px}.row>*{flex:1}input{width:100%;height:42px;border:1px solid #323238;background:#101011;color:#fff;padding:0 10px;outline:0}.out{margin-top:10px;background:#101011;border:1px solid #2d2d32;padding:13px;font-size:11px;min-height:44px}.big{font-size:26px;color:var(--lime)}
.info-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:50px}.info-nav{position:sticky;top:100px;align-self:start;border-left:1px solid #303034}.info-nav a{display:block;padding:8px 13px;font-size:10px;color:#707076}.prose{background:#171719;border:1px solid #2b2b2f;padding:28px}.prose h2{font-size:24px;margin:0 0 12px}.prose h3{font-size:14px;margin:28px 0 9px}.prose p,.prose li{font-size:10px;line-height:2;color:#77777d}.prose ul{padding-left:18px}.info-table{border-top:1px solid #303034;margin-top:18px}.info-row{display:grid;grid-template-columns:140px 1fr;padding:13px 0;border-bottom:1px solid #303034;font-size:10px}.info-row span:first-child{color:#77777d}
.site-footer{border-top:1px solid #27272a;padding:30px 0 42px;color:#66666c}.footer-inner{display:flex;justify-content:space-between}.footer-title{color:#ddd;font-size:11px}.footer-copy,.footer-meta{font-size:9px;line-height:1.9}.footer-meta{text-align:right}.notfound{min-height:100vh;display:grid;place-items:center;text-align:center}.code{font-size:100px;color:#2b2b2f}
@media(max-width:850px){.nav{display:none}.mobile-nav{display:block;font-size:10px}.hero-grid,.section-head,.info-layout{grid-template-columns:1fr}.hero h1{font-size:44px}.cards{grid-template-columns:1fr 1fr}.tool-grid{grid-template-columns:1fr}.info-nav{display:none}.row{flex-wrap:wrap}.row>*{min-width:130px}}