:root{--ink:#0f172a;--muted:#475569;--line:#dbe4ef;--card:#ffffff;--bg:#f5f7fb;--brand:#0f766e;--brand-dark:#115e59;--soft:#e6fffb;--amber:#f59e0b;}
*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--ink);line-height:1.55}.hero{padding:52px 22px 36px;background:linear-gradient(135deg,#0f172a,#164e63 55%,#0f766e);color:white}.hero>*{max-width:1080px;margin-left:auto;margin-right:auto}.eyebrow{text-transform:uppercase;letter-spacing:.08em;font-size:.78rem;font-weight:850;color:#0f766e;margin:0 0 8px}.hero .eyebrow{color:#99f6e4}.hero h1{font-size:clamp(2.1rem,5vw,4.6rem);line-height:.95;margin:0 0 14px}.lead{max-width:820px;font-size:1.18rem;color:#dbeafe;margin-bottom:18px}.lang{display:inline-flex;padding:10px 14px;border-radius:999px;background:rgba(255,255,255,.14);color:white;text-decoration:none;font-weight:800;border:1px solid rgba(255,255,255,.22)}main{max-width:1120px;margin:0 auto;padding:24px 18px 54px}.promo,.tool,.result{margin:22px 0}.promo{display:grid;grid-template-columns:minmax(0,1fr) minmax(280px,480px);gap:22px;align-items:center;background:white;border:1px solid var(--line);border-radius:24px;padding:22px;box-shadow:0 16px 40px rgba(15,23,42,.08)}.promo h2{margin:.1rem 0 .5rem;font-size:1.45rem}.promo p{color:var(--muted)}.video-wrap{position:relative;width:100%;aspect-ratio:16/9;border-radius:18px;overflow:hidden;background:#020617}.video-wrap iframe{position:absolute;inset:0;width:100%;height:100%;border:0}.tool{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.panel,.result article,.wide{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:20px;box-shadow:0 10px 30px rgba(15,23,42,.06)}h2,h3{margin-top:0}label{display:block;font-weight:800;margin:14px 0 6px}input,textarea,select{width:100%;margin-top:6px;border:1px solid #cbd5e1;border-radius:14px;padding:12px 13px;font:inherit;background:white;color:var(--ink)}textarea{min-height:118px;resize:vertical}button{border:0;border-radius:999px;background:var(--brand);color:white;font-weight:900;padding:12px 18px;cursor:pointer;margin-top:16px;box-shadow:0 8px 18px rgba(15,118,110,.22)}button:hover{background:var(--brand-dark)}.result-head{display:flex;justify-content:space-between;gap:16px;align-items:center;margin-bottom:14px}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.result ul{padding-left:1.2rem}.result li{margin:.45rem 0}.wide{margin-top:16px}pre{white-space:pre-wrap;background:#0f172a;color:#ecfeff;border-radius:16px;padding:16px;overflow:auto}.copied{background:#16a34a}footer{text-align:center;color:#64748b;padding:0 18px 36px;font-size:.95rem}@media(max-width:820px){.promo,.tool,.grid{grid-template-columns:1fr}.result-head{align-items:flex-start;flex-direction:column}}