:root{--bg:#f6f8fb;--card:#ffffff;--text:#172033;--muted:#5d6b82;--brand:#0f766e;--line:#dbe3ef;}
*{box-sizing:border-box} body{margin:0;font-family:Inter,Arial,Helvetica,sans-serif;background:linear-gradient(180deg,#eef7f5 0%,#f6f8fb 42%);color:var(--text);line-height:1.65} .wrap{max-width:920px;margin:0 auto;padding:32px 18px 56px}.card{background:var(--card);border:1px solid var(--line);border-radius:22px;box-shadow:0 18px 55px rgba(23,32,51,.08);overflow:hidden}.hero{padding:34px 34px 22px;background:linear-gradient(135deg,#0f766e,#155e75);color:#fff}.hero p{margin:8px 0 0;color:rgba(255,255,255,.86)}.content{padding:30px 34px}h1{font-size:32px;line-height:1.15;margin:0}h2{font-size:20px;margin:30px 0 8px;color:#0f4f49}p,li{font-size:16px}.muted{color:var(--muted)}ul{padding-left:22px}a{color:var(--brand);font-weight:700}.footer{border-top:1px solid var(--line);padding:18px 34px;color:var(--muted);font-size:14px;background:#fbfcfe}@media(max-width:640px){.wrap{padding:14px 10px 34px}.hero,.content,.footer{padding-left:20px;padding-right:20px}h1{font-size:26px}}