:root{--bg:#f5faff;--card:#ffffff;--text:#102033;--muted:#607089;--line:#dbe8f5;--primary:#1f7aff;--accent:#00c2ff;--ok:#08a66a;--warn:#f6a700;--bad:#d54b4b;--shadow:0 24px 80px rgba(32,88,142,.12)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,Arial,sans-serif;background:var(--bg);color:var(--text);min-height:100vh}a{color:inherit}#bg-canvas{position:fixed;inset:0;z-index:-1;background:radial-gradient(circle at 15% 20%,rgba(0,194,255,.18),transparent 28%),radial-gradient(circle at 85% 0,rgba(31,122,255,.16),transparent 32%),linear-gradient(180deg,#f8fcff,#eef7ff)}.site-shell{width:min(1440px,100%);margin:0 auto}.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:18px;justify-content:space-between;padding:14px 22px;margin:12px;background:rgba(255,255,255,.82);border:1px solid rgba(219,232,245,.85);border-radius:24px;backdrop-filter:blur(18px);box-shadow:0 18px 50px rgba(32,88,142,.08)}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:900}.brand-mark{display:grid;place-items:center;width:42px;height:42px;border-radius:16px;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;box-shadow:0 12px 26px rgba(31,122,255,.25)}.nav{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.nav a{text-decoration:none;color:#41546b;font-weight:800;font-size:14px;padding:9px 10px;border-radius:12px}.nav a:hover{background:#eef7ff;color:var(--primary)}.nav-toggle{display:none;border:0;background:#eef7ff;border-radius:14px;padding:10px}.top-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.pill,.lang,.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:15px;padding:12px 16px;text-decoration:none;font-weight:900;border:1px solid var(--line);background:#fff}.btn{border:0;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;box-shadow:0 14px 34px rgba(31,122,255,.22);cursor:pointer}.btn.secondary{background:#fff;color:var(--primary);border:1px solid rgba(31,122,255,.25);box-shadow:none}.btn.small{padding:9px 12px;font-size:13px}.admin-pill{background:#102033;color:#fff}.notice,.flash{margin:10px 18px;padding:12px 16px;border-radius:18px;border:1px solid var(--line);background:rgba(255,255,255,.86)}.flash.success{border-color:#9ee7c4;background:#edfff6}.flash.error{border-color:#f1aaaa;background:#fff1f1}.flash.warning{border-color:#f6d58c;background:#fff8e7}.main{padding:18px}.hero-card,.page-card,.card,.auth-card{background:rgba(255,255,255,.9);border:1px solid rgba(219,232,245,.9);border-radius:34px;box-shadow:var(--shadow)}.hero-card{position:relative;overflow:hidden;padding:76px min(7vw,90px);min-height:520px;display:grid;align-content:center;background:radial-gradient(circle at 85% 20%,rgba(0,194,255,.22),transparent 28%),linear-gradient(135deg,#fff,#eef7ff)}.hero-card:after{content:"";position:absolute;right:-120px;top:80px;width:380px;height:380px;border-radius:50%;background:radial-gradient(circle,rgba(31,122,255,.18),transparent 70%);filter:blur(8px)}.eyebrow{display:inline-flex;width:max-content;padding:9px 13px;border-radius:999px;background:#fff;border:1px solid rgba(31,122,255,.22);color:var(--primary);font-weight:900}.hero-card h1,.tool-hero h1{font-size:clamp(38px,6vw,78px);line-height:.96;margin:18px 0;letter-spacing:-.055em}.hero-card p,.tool-hero p{max-width:820px;font-size:clamp(17px,2vw,22px);color:#536880}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}.section{margin:30px 0}.section-head{display:flex;justify-content:space-between;gap:20px;align-items:end;margin-bottom:18px}.section h2,.page-card h1{font-size:clamp(30px,4vw,52px);letter-spacing:-.04em}.grid{display:grid;gap:18px}.cards-2{grid-template-columns:repeat(2,minmax(0,1fr))}.cards-3{grid-template-columns:repeat(3,minmax(0,1fr))}.cards-4{grid-template-columns:repeat(4,minmax(0,1fr))}.card{padding:24px}.feature .icon{font-size:36px}.tool-card{text-decoration:none;transition:.18s transform,.18s box-shadow}.tool-card:hover{transform:translateY(-3px);box-shadow:0 30px 90px rgba(32,88,142,.16)}.tool-card span{font-weight:900;color:var(--primary)}.page-card{padding:32px}.content{line-height:1.75}.content .card{box-shadow:none}.auth-card{max-width:520px;margin:40px auto;padding:30px}label{display:block;margin:12px 0;font-weight:850}input,textarea,select{width:100%;padding:13px 14px;border:1px solid #cbd9ea;border-radius:14px;background:#fff;color:var(--text);font:inherit;margin-top:7px}textarea{resize:vertical}.check{display:flex;gap:10px;align-items:center}.check input{width:auto}.form-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}fieldset{border:1px solid var(--line);border-radius:24px;margin:16px 0;padding:18px;background:rgba(248,251,255,.7)}legend{padding:0 10px;font-weight:900;color:var(--primary)}.muted{color:var(--muted);font-size:14px}.table-wrap{overflow:auto}.table-wrap table{width:100%;border-collapse:separate;border-spacing:0 8px}.table-wrap th{text-align:left;color:#526981;font-size:13px}.table-wrap td,.table-wrap th{padding:10px 12px}.table-wrap td{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.table-wrap td:first-child{border-left:1px solid var(--line);border-radius:12px 0 0 12px}.table-wrap td:last-child{border-right:1px solid var(--line);border-radius:0 12px 12px 0}.tool-hero{display:grid;grid-template-columns:1.5fr .5fr;gap:20px;align-items:center;padding:48px;border-radius:34px;background:radial-gradient(circle at 90% 0,rgba(0,194,255,.20),transparent 30%),linear-gradient(135deg,#fff,#eef7ff);border:1px solid var(--line);box-shadow:var(--shadow)}.tool-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}.tool-badges span{padding:8px 11px;border-radius:999px;background:#fff;border:1px solid var(--line);font-weight:900;color:#4a6079}.token-note{background:#102033;color:#fff;border-radius:26px;padding:22px;box-shadow:0 18px 50px rgba(16,32,51,.2)}.tool-workspace{align-items:start;margin-top:18px}.builder-card{overflow:hidden}.instruction-card ol{padding-left:20px;color:#536880}.pro-builder .btn{width:100%;margin-top:14px}.live-preview-box{margin-top:18px;border:1px solid var(--line);border-radius:26px;overflow:hidden;background:#fff}.live-preview-head{display:flex;justify-content:space-between;padding:12px 14px;border-bottom:1px solid var(--line);font-size:13px;color:#607089}.preview{width:100%;min-height:520px;border:1px solid var(--line);border-radius:24px;background:#fff}.small-preview{min-height:360px;border:0;border-radius:0}.pro-preview{height:640px}.template-help{margin-top:18px}.template-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px}.template-grid article{padding:16px;border:1px solid var(--line);border-radius:18px;background:#fff}.template-grid p{color:#607089;font-size:13px}.template-grid code{display:inline-block;margin-top:6px;color:var(--primary);font-weight:900}.result-card .result-head{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:18px}.score{display:grid;gap:2px;justify-items:end}.score strong{font-size:44px;line-height:1;color:var(--primary)}.score span{font-size:13px;color:#607089}.risk.high strong{color:var(--bad)}.risk.medium strong{color:var(--warn)}.risk.low strong{color:var(--ok)}.metric-grid .mini{padding:18px}.mini span{display:block;color:#607089;font-size:13px}.mini strong{font-size:26px}.mini small{display:block;max-width:100%;overflow:hidden;text-overflow:ellipsis;font-size:11px;color:#607089}.seo-categories{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px;margin:18px 0}.seo-categories div{padding:14px;border:1px solid var(--line);border-radius:18px;background:#fff}.seo-categories b,.seo-categories span{display:block}.seo-categories span{color:#607089}.seo-categories meter{width:100%;height:10px}.file-list{display:grid;gap:7px;padding-left:18px}.ok-box{padding:16px;border-radius:18px;background:#edfff6;border:1px solid #9ee7c4;color:#087a50}.recommend-list{line-height:1.7}.encoder-form textarea{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.modal{display:none;position:fixed;inset:0;background:rgba(16,32,51,.45);z-index:50;align-items:center;justify-content:center;padding:20px}.modal.is-open{display:flex}.modal-card{position:relative;width:min(520px,100%);padding:28px;border-radius:28px;background:#fff;box-shadow:0 30px 100px rgba(16,32,51,.28)}.modal-close{position:absolute;right:16px;top:12px;border:0;background:#eef7ff;border-radius:12px;font-size:22px;width:38px;height:38px}.row{display:flex;gap:10px;flex-wrap:wrap}.admin-layout{display:grid;grid-template-columns:270px 1fr;gap:18px}.admin-sidebar{position:sticky;top:92px;align-self:start;background:#102033;color:#fff;border-radius:26px;padding:20px}.admin-sidebar a{display:block;text-decoration:none;padding:11px 12px;border-radius:13px;color:#dbe8f5}.admin-sidebar a:hover{background:rgba(255,255,255,.08)}.admin-content{min-width:0}.admin-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:18px}.stat span{display:block;color:#607089}.stat strong{font-size:34px}.footer{margin:20px 18px 28px;padding:28px;border-radius:28px;background:#102033;color:#fff;display:flex;justify-content:space-between;gap:20px}.footer p{color:#c7d4e4}.footer-links{display:flex;gap:12px;flex-wrap:wrap}.footer-links a{color:#fff;text-decoration:none}.scan-url,.scan-file{display:none}body.scan-url-mode .scan-url,body.scan-file-mode .scan-file{display:block}body.scan-url-mode .scan-code,body.scan-file-mode .scan-code{display:none}@media(max-width:1050px){.cards-3,.cards-4{grid-template-columns:repeat(2,minmax(0,1fr))}.cards-2,.tool-hero,.admin-layout{grid-template-columns:1fr}.admin-sidebar{position:static}.topbar{align-items:flex-start}.nav{display:none;width:100%;order:3}.nav.is-open{display:flex}.nav-toggle{display:block}.top-actions{margin-left:auto}}@media(max-width:720px){.main{padding:10px}.topbar{margin:8px;padding:12px}.hero-card,.tool-hero,.page-card,.card{border-radius:24px;padding:22px}.hero-card{min-height:auto}.cards-3,.cards-4,.cards-2,.form-row{grid-template-columns:1fr}.footer{flex-direction:column}.result-card .result-head{align-items:flex-start;flex-direction:column}.score{justify-items:start}.preview{min-height:360px}.pro-preview{height:460px}}