:root{
  --bg:#070b14; --bg2:#0b1322; --panel:rgba(255,255,255,.075); --panel2:rgba(255,255,255,.11);
  --ink:#eef6ff; --muted:#9fb0c6; --line:rgba(255,255,255,.14); --brand:#57e0ff; --brand2:#76f7b2;
  --accent:#f6c35b; --danger:#ff7a90; --shadow:0 24px 70px rgba(0,0,0,.34); --radius:26px; --max:1180px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;color:var(--ink);background:radial-gradient(circle at 12% -12%,rgba(87,224,255,.24),transparent 34%),radial-gradient(circle at 88% 8%,rgba(118,247,178,.18),transparent 30%),linear-gradient(180deg,#060913 0%,#0b1322 42%,#09101d 100%);line-height:1.7}a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}img,svg{max-width:100%;height:auto}.skip{position:absolute;left:-999px;top:auto;width:1px;height:1px;overflow:hidden}.skip:focus{left:18px;top:18px;width:auto;height:auto;padding:10px 14px;background:#fff;color:#06101d;border-radius:12px;z-index:99}.site-header{position:sticky;top:0;z-index:50;background:rgba(6,9,19,.78);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}.nav{max-width:var(--max);margin:auto;display:flex;align-items:center;justify-content:space-between;padding:16px 22px}.brand{display:flex;align-items:center;gap:12px;font-weight:900;color:var(--ink);font-size:1.22rem;letter-spacing:-.035em}.logo{width:42px;height:42px;border-radius:16px;background:conic-gradient(from 180deg,var(--brand),var(--brand2),#8ea7ff,var(--brand));display:grid;place-items:center;color:#06101d;font-weight:950;box-shadow:0 0 34px rgba(87,224,255,.26)}.links{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.links a{color:#dceaff;font-weight:750;font-size:.94rem;padding:9px 11px;border-radius:999px}.links a:hover{background:rgba(255,255,255,.08);text-decoration:none}.menu-btn{display:none;background:rgba(255,255,255,.1);color:#fff;border:1px solid var(--line);border-radius:14px;padding:10px 12px}.hero{max-width:var(--max);margin:0 auto;padding:86px 22px 54px;display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}.eyebrow{display:inline-flex;gap:8px;align-items:center;background:rgba(118,247,178,.1);border:1px solid rgba(118,247,178,.28);color:#baffd7;padding:8px 13px;border-radius:999px;font-size:.83rem;font-weight:850;text-transform:uppercase;letter-spacing:.08em}.hero h1{font-size:clamp(2.55rem,5.8vw,5.45rem);line-height:.96;margin:20px 0 18px;letter-spacing:-.078em}.hero p{font-size:1.12rem;color:var(--muted);max-width:720px}.cta-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 18px;border-radius:999px;font-weight:900;border:1px solid var(--line);background:rgba(255,255,255,.08);color:#fff;box-shadow:0 12px 34px rgba(0,0,0,.22)}.btn:hover{text-decoration:none;transform:translateY(-1px)}.btn.primary{background:linear-gradient(135deg,var(--brand),#5d7cff);color:#05111e;border:0}.btn.green{background:linear-gradient(135deg,var(--brand2),#30d0b4);color:#04140d;border:0}.hero-card,.panel{background:linear-gradient(180deg,rgba(255,255,255,.13),rgba(255,255,255,.06));border:1px solid var(--line);border-radius:34px;box-shadow:var(--shadow);padding:24px;position:relative;overflow:hidden}.hero-card:before,.panel:before,.card:before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(87,224,255,.13),transparent 40%,rgba(118,247,178,.08));pointer-events:none}.hero-card svg{width:100%;border-radius:22px;filter:drop-shadow(0 20px 50px rgba(0,0,0,.25))}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:18px}.stat{background:rgba(4,10,20,.62);border:1px solid var(--line);border-radius:20px;padding:14px}.stat strong{display:block;font-size:1.5rem;color:#fff}.section{max-width:var(--max);margin:0 auto;padding:58px 22px}.section h2{font-size:clamp(1.9rem,3.4vw,3rem);letter-spacing:-.055em;line-height:1.08;margin:0 0 12px}.section-lead{color:var(--muted);max-width:790px}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:26px}.grid.two{grid-template-columns:repeat(2,1fr)}.card{position:relative;overflow:hidden;background:linear-gradient(180deg,rgba(255,255,255,.105),rgba(255,255,255,.055));border:1px solid var(--line);border-radius:24px;padding:22px;box-shadow:0 14px 40px rgba(0,0,0,.22)}.card h3{margin:9px 0 9px;line-height:1.16;color:#fff}.card p{color:var(--muted)}.tag{display:inline-flex;padding:6px 10px;border-radius:999px;background:rgba(87,224,255,.12);border:1px solid rgba(87,224,255,.24);font-size:.77rem;color:#b9f3ff;font-weight:850}.tool-shell{max-width:1040px;margin:0 auto;padding:46px 22px}.toolbox{background:linear-gradient(180deg,rgba(255,255,255,.13),rgba(255,255,255,.07));border:1px solid var(--line);border-radius:32px;box-shadow:var(--shadow);padding:26px}.field-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.field{display:flex;flex-direction:column;gap:7px;margin:10px 0}.field label{font-weight:900;color:#eaf4ff}.field input,.field select,.field textarea{width:100%;font:inherit;border:1px solid rgba(255,255,255,.18);border-radius:16px;padding:13px 14px;background:rgba(2,8,18,.78);color:#fff;outline:none}.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(87,224,255,.1)}.result{margin-top:20px;background:linear-gradient(135deg,rgba(87,224,255,.15),rgba(118,247,178,.12));border:1px solid rgba(87,224,255,.26);border-radius:22px;padding:20px;font-size:1.08rem;color:#fff}.timer-display{font-size:clamp(3rem,8vw,6.4rem);font-weight:950;letter-spacing:-.08em;text-align:center;margin:25px 0;color:#fff;text-shadow:0 0 38px rgba(87,224,255,.2)}.article-shell{max-width:980px;margin:0 auto;padding:54px 22px}.article-header{background:linear-gradient(180deg,rgba(255,255,255,.12),rgba(255,255,255,.06));border:1px solid var(--line);border-radius:32px;box-shadow:var(--shadow);padding:32px;margin-bottom:28px}.article-header h1{font-size:clamp(2.1rem,4.7vw,3.75rem);line-height:1;letter-spacing:-.062em;margin:14px 0;color:#fff}.meta{display:flex;flex-wrap:wrap;gap:10px;color:var(--muted);font-size:.94rem}.article-body{background:#f9fbff;color:#142235;border:1px solid rgba(255,255,255,.18);border-radius:32px;padding:36px;box-shadow:0 18px 48px rgba(0,0,0,.25)}.article-body h2{margin-top:34px;line-height:1.15;color:#06101d;letter-spacing:-.035em}.article-body h3{margin-top:24px;color:#0b1726}.article-body p{margin:15px 0;color:#2b3b50}.article-body a{color:#1559cf}.article-body ul,.article-body ol{padding-left:24px}.callout{background:#fff8e8;border:1px solid #f2d28a;color:#3c2a04;border-radius:20px;padding:17px;margin:20px 0}.toc{background:#eff8ff;border:1px solid #cae6ff;border-radius:20px;padding:17px;margin:20px 0}.toc a{display:block;margin:7px 0}.faq details{border:1px solid #d7e2ee;border-radius:17px;padding:14px 16px;margin:11px 0;background:#fff}.faq summary{font-weight:900;cursor:pointer}.site-footer{margin-top:58px;background:#030710;color:#dce8f6;border-top:1px solid var(--line)}.footer-inner{max-width:var(--max);margin:auto;padding:42px 22px;display:grid;grid-template-columns:1.2fr 1fr 1fr 1fr;gap:24px}.site-footer a{color:#baf2ff}.small{font-size:.9rem;color:var(--muted)}.site-footer .small{color:#8293aa}.note{background:rgba(87,224,255,.08);border:1px solid rgba(87,224,255,.2);border-radius:20px;padding:17px}.breadcrumbs{font-size:.9rem;color:var(--muted);margin-bottom:10px}.breadcrumbs a{color:var(--muted)}.list{display:grid;gap:14px;margin-top:24px}.list-item{display:block;background:rgba(255,255,255,.08);border:1px solid var(--line);border-radius:22px;padding:20px;box-shadow:0 10px 28px rgba(0,0,0,.18)}.list-item h3{margin:4px 0;color:#fff}.pill-row{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0}.pill{background:rgba(255,255,255,.075);border:1px solid var(--line);border-radius:999px;padding:7px 11px;font-size:.83rem;color:#dbeafe}.ad-placeholder{display:none}.cookie{position:fixed;left:18px;right:18px;bottom:18px;max-width:920px;margin:auto;background:#08111f;border:1px solid var(--line);border-radius:20px;padding:16px;box-shadow:var(--shadow);z-index:80;display:none}.cookie.show{display:block}.cookie .btn{padding:10px 13px}.author-box{display:flex;gap:15px;align-items:flex-start;background:#eef7ff;border:1px solid #cfe7ff;border-radius:20px;padding:16px;margin-top:28px}.avatar{width:54px;height:54px;border-radius:18px;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#06101d;display:grid;place-items:center;font-weight:950}.table-wrap{overflow-x:auto}.simple-table{width:100%;border-collapse:collapse;background:#fff}.simple-table th,.simple-table td{border:1px solid #d7e2ee;padding:10px;text-align:left}.simple-table th{background:#eef7ff}.progress{height:12px;background:#102033;border-radius:999px;overflow:hidden}.progress span{display:block;height:100%;background:linear-gradient(90deg,var(--brand),var(--brand2));width:0}.print-only{display:none}@media(max-width:820px){.hero{grid-template-columns:1fr;padding-top:48px}.links{display:none;position:absolute;top:72px;left:12px;right:12px;background:#08111f;border:1px solid var(--line);border-radius:22px;padding:14px;box-shadow:var(--shadow);flex-direction:column;align-items:flex-start}.links.open{display:flex}.menu-btn{display:inline-flex}.grid,.grid.two,.footer-inner{grid-template-columns:1fr}.field-grid{grid-template-columns:1fr}.article-body{padding:24px}.stats{grid-template-columns:1fr}}@media print{.site-header,.site-footer,.cookie,.cta-row{display:none}.article-shell,.section{max-width:none}.print-only{display:block}}