:root{--ink:#183142;--blue:#116b8b;--aqua:#dff6f5;--sand:#fbf8ef;--line:#d9e6e9;--orange:#d9852b;--muted:#63747c}*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,Segoe UI,Arial,sans-serif;color:var(--ink);background:var(--sand);line-height:1.7}a{color:#0b6786}.wrap{max-width:1180px;margin:auto;padding:0 22px}.top{background:#102d3b;color:#fff;text-align:center;padding:8px;font-size:.9rem}header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30}.nav{display:flex;justify-content:space-between;align-items:center;padding:14px 22px}.brand{font-weight:900;text-decoration:none;color:var(--ink);font-size:1.2rem}nav a{margin-left:14px;text-decoration:none;font-weight:700}.grid{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:32px;padding:38px 22px}.article{background:#fff;border:1px solid var(--line);border-radius:20px;padding:34px}.article h1{font-size:clamp(2.3rem,5vw,4.4rem);line-height:1.04}.article h2{margin-top:2.2rem;line-height:1.2}.notice{background:#fff2dd;border-left:4px solid var(--orange);padding:16px 18px;border-radius:9px;margin:20px 0}.btn{display:inline-block;background:var(--blue);color:#fff!important;text-decoration:none;font-weight:850;padding:14px 20px;border-radius:11px}.cta{background:linear-gradient(135deg,#183142,#116b8b);color:#fff;border-radius:18px;padding:25px;margin:30px 0}.sticky{position:sticky;top:92px;background:#fff;border:1px solid var(--line);border-radius:17px;padding:22px}.small{font-size:.88rem;color:var(--muted)}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.card{border:1px solid var(--line);border-radius:14px;padding:17px;background:#fff}.card a{font-weight:850;text-decoration:none}.hero{background:linear-gradient(135deg,#dff6f5,#e7f2ff);padding:44px;border-radius:18px;margin-bottom:28px}footer{background:#102d3b;color:#eaf3f5;padding:40px 0;margin-top:48px}footer a{color:#fff;margin-right:15px}.modal{position:fixed;inset:0;background:rgba(7,28,38,.8);display:none;align-items:center;justify-content:center;z-index:99;padding:20px}.modal.show{display:flex}.modalbox{position:relative;max-width:720px;background:linear-gradient(145deg,#e7fbfa,#eef6ff);border-radius:24px;padding:34px}.close{position:absolute;right:14px;top:10px;border:0;background:transparent;font-size:2rem}@media(max-width:860px){.grid{grid-template-columns:1fr}.sticky{position:static}.cards{grid-template-columns:1fr}nav{display:none}.article{padding:22px}.hero{padding:28px}}