:root{--blue:#1769e0;--blue2:#0f4fb4;--sky:#eaf4ff;--sky2:#f7fbff;--ink:#14233a;--muted:#5d6d82;--line:#d8e8fa;--card:#fff;--radius:22px;--shadow:0 16px 45px rgba(23,105,224,.10)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:linear-gradient(180deg,#fff 0,#f4f9ff 36%,#fff 100%);line-height:1.75}img{max-width:100%;display:block}a{color:inherit;text-decoration:none}.site-header{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;padding:14px 3vw;background:rgba(255,255,255,.92);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:12px}.brand img{width:52px;height:52px;object-fit:contain;border-radius:14px;background:#eef6ff}.brand span{display:grid}.brand strong{font-size:1.05rem}.brand small{color:var(--blue);font-weight:700}.site-header nav,.site-header nav a{display:flex;gap:22px}.site-header nav a{font-weight:700;color:#34506f}.site-header nav a:hover{color:var(--blue)}main{width:100%}.hero{display:grid;grid-template-columns:1.15fr .85fr;gap:4vw;align-items:center;padding:70px 4vw 55px;background:radial-gradient(circle at 82% 15%,#dceeff 0,transparent 35%),linear-gradient(135deg,#fff 0,#eff7ff 100%)}.eyebrow,.section-tag{display:inline-block;color:var(--blue);font-weight:800;text-transform:uppercase;letter-spacing:.12em;font-size:.78rem}.hero h1{font-size:clamp(2.4rem,5vw,5.2rem);line-height:1.04;margin:15px 0 22px;max-width:1100px}.lead{font-size:1.18rem;color:var(--muted);max-width:900px}.hero-actions{display:flex;gap:12px;margin-top:28px;flex-wrap:wrap}.btn{padding:13px 20px;border-radius:12px;font-weight:800}.primary{background:var(--blue);color:#fff;box-shadow:0 12px 25px rgba(23,105,224,.24)}.secondary{background:#fff;border:1px solid var(--line);color:var(--blue2)}.hero-media img{border-radius:30px;box-shadow:var(--shadow);aspect-ratio:1;object-fit:cover}.summary-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;padding:22px 4vw;background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.summary-strip div{padding:17px 19px;border-radius:14px;background:var(--sky2);border:1px solid var(--line)}.summary-strip strong,.summary-strip span{display:block}.summary-strip span{color:var(--muted)}.content-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:3vw;padding:70px 4vw;align-items:start}.content-grid.reverse{grid-template-columns:.85fr 1.15fr;background:var(--sky2)}article h2,.long-read h2,.table-section h2,.faq h2{font-size:clamp(2rem,3vw,3.4rem);line-height:1.13;margin:10px 0 24px}article h3,.long-read h3{font-size:1.25rem;margin-top:26px}.check-list li::marker{color:var(--blue)}blockquote{margin:30px 0;padding:22px 26px;border-left:5px solid var(--blue);background:#eef6ff;border-radius:0 16px 16px 0;font-size:1.18rem;font-weight:700;color:#294d76}.media-card,.calculator-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow);position:sticky;top:96px}.media-card img{border-radius:16px;aspect-ratio:1;object-fit:cover}.caption{font-size:.92rem;color:var(--muted);padding:12px 4px 2px}.long-read,.table-section,.faq{padding:72px 4vw}.long-read{background:#fff}.text-columns{columns:2 420px;column-gap:4vw}.text-columns>div{break-inside:avoid;margin-bottom:30px}.table-section{background:linear-gradient(180deg,#f1f8ff,#fff)}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:18px;background:#fff;box-shadow:var(--shadow)}table{width:100%;border-collapse:collapse;min-width:700px}th,td{text-align:left;padding:18px;border-bottom:1px solid var(--line)}th{background:#eaf4ff;color:var(--blue2)}tr:last-child td{border-bottom:0}.calculator-card h3{font-size:1.45rem;margin:4px 0 18px}.calculator-card label{display:block;font-weight:800;margin:13px 0 6px}.calculator-card input{width:100%;padding:13px 14px;border:1px solid #bed7f4;border-radius:11px;font:inherit}.calc-result{display:grid;grid-template-columns:1fr auto;gap:10px;margin:18px 0;padding:16px;background:#edf6ff;border-radius:14px}.calc-result strong{color:var(--blue);font-size:1.08rem}.calculator-card small{color:var(--muted)}.faq{background:var(--sky2)}details{background:#fff;border:1px solid var(--line);border-radius:15px;padding:0 20px;margin:12px 0;box-shadow:0 8px 24px rgba(23,105,224,.05)}summary{cursor:pointer;font-weight:800;padding:18px 0}details p{margin-top:0;color:var(--muted)}footer{display:flex;justify-content:space-between;gap:30px;align-items:center;padding:35px 4vw;background:#0d2a4f;color:#fff}footer div{display:grid}footer span{color:#b9d1ed}footer nav{display:flex;gap:18px;flex-wrap:wrap}@media(max-width:900px){.site-header nav{display:none}.hero,.content-grid,.content-grid.reverse{grid-template-columns:1fr}.hero{padding-top:42px}.summary-strip{grid-template-columns:1fr 1fr}.media-card,.calculator-card{position:static}.text-columns{columns:1}.content-grid,.long-read,.table-section,.faq{padding:50px 22px}.hero{padding-left:22px;padding-right:22px}footer{flex-direction:column;align-items:flex-start}}@media(max-width:560px){.summary-strip{grid-template-columns:1fr}.hero h1{font-size:2.35rem}.brand small{display:none}}