*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#070807;--bg2:#101210;--card:#111411;
  --line:rgba(210,255,80,.12);--line2:rgba(255,255,255,.08);
  --lime:#d2ff50;--lime2:#9ad10a;--ink:#101210;
  --text:#eef3e4;--muted:#8b9378;--dim:#5c6350;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
}
html,body{min-height:100%;background:var(--bg);color:var(--text);font-family:var(--font);-webkit-font-smoothing:antialiased}
body{background-image:linear-gradient(rgba(210,255,80,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(210,255,80,.035) 1px,transparent 1px);background-size:48px 48px}
a{color:var(--lime);text-decoration:none}
button,input,textarea,select{font-family:inherit}
.site-header{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 28px;background:rgba(7,8,7,.86);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);font-weight:800;letter-spacing:.04em}
.brand-mark{width:28px;height:28px;border-radius:8px;background:var(--lime);color:var(--ink);display:grid;place-items:center;font-size:13px;font-weight:900}
.brand small{display:block;font-size:11px;color:var(--muted);font-weight:500;letter-spacing:0}
.header-links{display:flex;gap:18px;align-items:center;font-size:13px;color:var(--muted)}
.header-links a{color:var(--muted)}
.header-links a:hover{color:var(--lime)}
.wrap{width:min(1120px,calc(100% - 40px));margin:0 auto}
.hero{padding:72px 0 36px;text-align:center}
.badge{display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border:1px solid var(--lime);color:var(--lime);border-radius:999px;font-size:12px;letter-spacing:.12em;margin-bottom:22px}
.hero h1{font-size:clamp(40px,8vw,84px);line-height:.9;letter-spacing:-.04em;font-weight:900}
.hero h1 span{color:var(--lime);text-shadow:0 0 28px rgba(210,255,80,.25)}
.hero .sub{margin:22px auto 0;max-width:620px;color:var(--muted);font-size:16px;line-height:1.8}
.hero .sub em{color:var(--lime);font-style:normal}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px;padding:12px 0 80px}
.card{display:flex;flex-direction:column;min-height:220px;padding:22px;background:var(--card);border:1px solid var(--line2);border-radius:18px;color:inherit;transition:transform .2s,border-color .2s,box-shadow .2s}
.card:hover{transform:translateY(-4px);border-color:var(--lime);box-shadow:0 12px 40px rgba(210,255,80,.08);color:inherit}
.card-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px;color:var(--dim);font-size:12px;letter-spacing:.08em}
.card-ico{font-size:28px}
.card h3{font-size:20px;margin-bottom:10px}
.card p{color:var(--muted);font-size:14px;line-height:1.7;flex:1}
.card .tag{margin-top:16px;font-size:12px;color:var(--lime)}
.tool-page{padding:36px 0 80px}
.tool-head{max-width:720px;margin:0 auto 32px}
.back{display:inline-flex;margin-bottom:18px;color:var(--muted);font-size:13px}
.back:hover{color:var(--lime)}
.tool-head h1{font-size:clamp(28px,5vw,48px);margin-bottom:10px}
.tool-head .lead{color:var(--muted);font-size:16px;line-height:1.7}
.panel{background:var(--card);border:1px solid var(--line2);border-radius:20px;padding:24px}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 18px;border:0;border-radius:10px;background:var(--lime);color:var(--ink);font-weight:700;cursor:pointer}
.btn:hover{filter:brightness(1.05)}
.btn-ghost{background:transparent;color:var(--text);border:1px solid var(--line2)}
.btn-ghost:hover{border-color:var(--lime);color:var(--lime)}
.field{width:100%;padding:12px 14px;border-radius:10px;border:1px solid var(--line2);background:#0b0d0b;color:var(--text);font-size:15px;outline:none}
.field:focus{border-color:var(--lime)}
.note{margin-top:16px;color:var(--dim);font-size:13px;line-height:1.7}
.stat-row{display:flex;gap:12px;flex-wrap:wrap;margin:16px 0}
.stat{flex:1;min-width:90px;padding:14px;border:1px solid var(--line2);border-radius:12px;text-align:center}
.stat b{display:block;font-size:22px;color:var(--lime);font-variant-numeric:tabular-nums}
.stat span{color:var(--dim);font-size:12px}
.bar{height:8px;border-radius:99px;background:#1b1f18;overflow:hidden}
.bar>i{display:block;height:100%;background:linear-gradient(90deg,var(--lime2),var(--lime));width:0}
.site-footer{border-top:1px solid var(--line);padding:28px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:var(--dim);font-size:12px}
@media(max-width:640px){
  .site-header{padding:12px 16px}
  .header-links span{display:none}
  .hero{padding:48px 0 24px}
  .wrap{width:calc(100% - 28px)}
}