*{box-sizing:border-box}body{margin:0;font:16px/1.6 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:#1a1a2e;background:#fafafc}
header{display:flex;justify-content:space-between;align-items:center;padding:14px 24px;background:#fff;border-bottom:1px solid #eee;flex-wrap:wrap;gap:8px}
.logo{font-weight:800;font-size:20px;color:#4f46e5;text-decoration:none}nav a{margin-left:16px;color:#333;text-decoration:none}nav a:hover{color:#4f46e5}
main{max-width:980px;margin:0 auto;padding:32px 20px}h1{font-size:38px;line-height:1.2}.lead{font-size:19px;color:#444}.small{font-size:13px;color:#777}
.hero{text-align:center;padding:24px 0}.check{display:flex;gap:8px;max-width:680px;margin:24px auto}.check input{flex:1;padding:14px;border:2px solid #ddd;border-radius:10px;font-size:16px}
button,.btn{background:#4f46e5;color:#fff;border:0;border-radius:10px;padding:12px 20px;font-size:16px;cursor:pointer;text-decoration:none;display:inline-block}button:disabled{background:#aaa;cursor:not-allowed}
.ghost{background:#eee;color:#666;font-size:13px;padding:6px 10px;margin-left:16px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:16px}.grid>div,.plan,.card{background:#fff;border:1px solid #eee;border-radius:12px;padding:18px}
table{width:100%;border-collapse:collapse;background:#fff;margin:16px 0}td,th{border:1px solid #eee;padding:10px;text-align:left;vertical-align:top}th{background:#f3f3fa}
details{background:#fff;border:1px solid #eee;border-radius:8px;padding:10px 14px;margin:8px 0}summary{font-weight:600;cursor:pointer}
.plans{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:14px}.price{font-size:30px;font-weight:800}.price span{font-size:14px;color:#777}
footer{text-align:center;color:#888;font-size:13px;padding:30px 20px;border-top:1px solid #eee}footer a{color:#666}
.score{font-size:64px;font-weight:800}.g-A,.g-B{color:#16a34a}.g-C{color:#ca8a04}.g-D,.g-F{color:#dc2626}
.ok{color:#16a34a;font-weight:600}.bad{color:#dc2626;font-weight:600}.warn{color:#ca8a04;font-weight:600}
pre{background:#1e1e2e;color:#e0e0f0;padding:14px;border-radius:8px;overflow:auto;font-size:13px;max-height:420px}
@media(max-width:600px){.check{flex-direction:column}h1{font-size:28px}}