:root{color-scheme:light;--ink:#102033;--muted:#5d6b7c;--bg:#f6f8fb;--card:#ffffff;--brand:#0f766e;--brand2:#1e3a5f;--line:#dbe5ef;--soft:#e8f5f3}*{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)}.hero{padding:54px 20px 36px;background:linear-gradient(135deg,var(--brand2),#0f172a);color:white}.hero>*{max-width:1040px;margin-left:auto;margin-right:auto}.eyebrow{margin:0 0 10px;text-transform:uppercase;letter-spacing:.16em;font-size:.76rem;font-weight:800;color:#0f766e}.hero .eyebrow,.promo .eyebrow{color:#99f6e4}.hero h1{margin:0;font-size:clamp(2.2rem,6vw,4.8rem);line-height:.96;letter-spacing:-.05em}.lead{max-width:760px;margin:20px auto 0;font-size:1.18rem;line-height:1.65;color:#dbeafe}.lang{display:inline-flex;margin-top:22px;color:#bae6fd;font-weight:800;text-decoration:none}main{max-width:1120px;margin:0 auto;padding:24px 18px 60px}.promo{display:grid;grid-template-columns:1fr 420px;gap:22px;align-items:center;margin:-20px 0 26px;padding:22px;border-radius:24px;background:linear-gradient(135deg,#0f766e,#164e63);color:white;box-shadow:0 18px 45px rgba(15,23,42,.18)}.promo h2{margin:0 0 10px;font-size:1.7rem}.promo p:not(.eyebrow){color:#dcfce7;line-height:1.55}.video-wrap{position:relative;aspect-ratio:16/9;border-radius:18px;overflow:hidden;background:#0f172a}.video-wrap iframe{position:absolute;inset:0;width:100%;height:100%;border:0}.tool{display:grid;grid-template-columns:1fr 1fr;gap:20px}.panel,.result,.wide{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:22px;box-shadow:0 12px 30px rgba(15,23,42,.07)}h2{margin:0 0 18px;font-size:1.6rem}label{display:block;margin:0 0 16px;font-weight:800}input,textarea,select{width:100%;margin-top:7px;border:1px solid #cbd5e1;border-radius:14px;padding:12px 13px;font:inherit;color:var(--ink);background:white}textarea{min-height:112px;resize:vertical}button{border:0;border-radius:999px;background:var(--brand);color:white;padding:13px 18px;font-weight:900;font:inherit;cursor:pointer;box-shadow:0 10px 22px rgba(15,118,110,.22)}button:hover{filter:brightness(.95)}.result{margin-top:22px}.result-head{display:flex;gap:14px;justify-content:space-between;align-items:start}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.grid article{border:1px solid var(--line);border-radius:18px;padding:16px;background:#fbfdff}.wide{margin-top:16px;background:#f8fafc}h3{margin:0 0 10px}li{margin-bottom:9px;line-height:1.45}pre{white-space:pre-wrap;background:#0f172a;color:#e2e8f0;border-radius:16px;padding:16px;overflow:auto}.copied{background:#14532d}footer{text-align:center;color:var(--muted);padding:26px 16px 44px}@media(max-width:850px){.promo,.tool,.grid{grid-template-columns:1fr}.promo{margin-top:0}.result-head{display:block}.result-head button{margin-top:10px;width:100%}}