:root{--ed-navy:#082f55;--ed-blue:#0b6fb8;--ed-cyan:#19a6d8;--ed-ice:#eef8ff;--ed-soft:#f7fbfe;--ed-line:#cfe4f2;--ed-text:#18384f;--ed-muted:#5e788b;--ed-white:#fff;--ed-shadow:0 18px 50px rgba(5,54,94,.10);--ed-max:1120px}
    *{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#f4faff;color:var(--ed-text);font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;line-height:1.72;-webkit-font-smoothing:antialiased}img{display:block;width:100%;max-width:100%;height:auto}a{color:var(--ed-blue)}.ed-page{overflow:hidden}.ed-container{width:min(calc(100% - 32px),var(--ed-max));margin-inline:auto}
    .ed-hero{padding:70px 0 44px;background:radial-gradient(circle at 88% 5%,rgba(25,166,216,.18),transparent 28%),radial-gradient(circle at 5% 4%,rgba(11,111,184,.10),transparent 25%),linear-gradient(180deg,#fff 0%,#eef8ff 100%);border-bottom:1px solid var(--ed-line)}.ed-eyebrow{display:inline-flex;align-items:center;gap:9px;margin-bottom:16px;color:var(--ed-blue);font-size:13px;font-weight:900;letter-spacing:.1em;text-transform:uppercase}.ed-eyebrow:before{content:"";width:10px;height:10px;border-radius:50%;background:linear-gradient(135deg,var(--ed-blue),var(--ed-cyan));box-shadow:0 0 0 7px rgba(25,166,216,.12)}.ed-hero h1{max-width:980px;margin:0;color:var(--ed-navy);font-size:clamp(38px,5.8vw,66px);line-height:1.06;letter-spacing:-.04em}.ed-hero-lead{max-width:870px;margin:22px 0 0;color:var(--ed-muted);font-size:clamp(18px,2vw,21px)}.ed-meta{display:flex;flex-wrap:wrap;gap:10px 18px;margin-top:24px;color:#6c879a;font-size:14px}.ed-meta strong{color:var(--ed-navy)}.ed-hero-media{margin-top:36px;padding:12px;border:1px solid var(--ed-line);border-radius:30px;background:#fff;box-shadow:var(--ed-shadow)}.ed-hero-media img{border-radius:20px;aspect-ratio:16/9;object-fit:cover;background:var(--ed-ice)}.ed-caption{margin:9px 4px 0;color:#6f8798;font-size:12px;text-align:center}
    .ed-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:42px;align-items:start;padding:58px 0 82px}.ed-article{min-width:0;padding:42px;border:1px solid var(--ed-line);border-radius:30px;background:#fff;box-shadow:var(--ed-shadow)}.ed-answer{margin:0 0 34px;padding:24px 26px;border-left:5px solid var(--ed-cyan);border-radius:0 18px 18px 0;background:linear-gradient(135deg,#eff9ff,#f9fdff)}.ed-answer strong{display:block;margin-bottom:8px;color:var(--ed-navy);font-size:19px}.ed-answer p{margin:0}.ed-article h2{margin:52px 0 17px;color:var(--ed-navy);font-size:clamp(28px,3.5vw,40px);line-height:1.16;letter-spacing:-.025em}.ed-article h3{margin:32px 0 12px;color:var(--ed-navy);font-size:23px;line-height:1.28}.ed-article p{margin:0 0 18px}.ed-article ul,.ed-article ol{margin:0 0 24px;padding-left:22px}.ed-article li{margin:8px 0}.ed-article strong{color:var(--ed-navy)}
    .ed-toc{margin:0 0 38px;padding:25px;border:1px solid var(--ed-line);border-radius:20px;background:var(--ed-soft)}.ed-toc strong{display:block;margin-bottom:11px;font-size:18px}.ed-toc ol{display:grid;gap:6px;margin:0;padding-left:20px}.ed-toc a{color:var(--ed-text);text-decoration:none}.ed-toc a:hover{color:var(--ed-blue)}.ed-table-wrap{margin:26px 0 32px;overflow-x:auto;border:1px solid var(--ed-line);border-radius:20px}.ed-table{width:100%;min-width:700px;border-collapse:collapse;background:#fff}.ed-table th,.ed-table td{padding:16px 18px;border-bottom:1px solid var(--ed-line);vertical-align:top;text-align:left}.ed-table tr:last-child th,.ed-table tr:last-child td{border-bottom:0}.ed-table thead th{color:#fff;background:linear-gradient(135deg,var(--ed-navy),var(--ed-blue))}.ed-table tbody th{width:27%;color:var(--ed-navy);background:#f0f8fd}.ed-media{margin:34px 0;padding:10px;border:1px solid var(--ed-line);border-radius:22px;background:#fff;box-shadow:0 12px 35px rgba(5,54,94,.08)}.ed-media img{border-radius:15px;background:var(--ed-ice)}
    .ed-check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:28px 0 34px}.ed-check{padding:20px;border:1px solid var(--ed-line);border-radius:18px;background:#f9fdff}.ed-check strong{display:block;margin-bottom:7px;font-size:18px}.ed-check p{margin:0;color:var(--ed-muted);font-size:15px}.ed-note{margin:28px 0;padding:22px 24px;border:1px solid #b9deef;border-radius:18px;background:#edf9ff}.ed-note strong{display:block;margin-bottom:6px}.ed-cta{margin:42px 0 12px;padding:32px;border-radius:25px;color:#fff;background:radial-gradient(circle at 88% 12%,rgba(65,207,250,.28),transparent 27%),linear-gradient(135deg,#07345d,#0875b6);box-shadow:0 18px 45px rgba(5,54,94,.18)}.ed-cta h2{margin:0 0 12px;color:#fff;font-size:32px}.ed-cta p{margin:0 0 19px;color:#d8eef9}.ed-cta a{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:13px 22px;border-radius:999px;color:var(--ed-navy);background:#fff;font-weight:900;text-decoration:none}
    .ed-faq{display:grid;gap:13px;margin-top:24px}.ed-faq details{border:1px solid var(--ed-line);border-radius:16px;background:#fff}.ed-faq summary{position:relative;padding:19px 50px 19px 20px;color:var(--ed-navy);cursor:pointer;font-weight:850;list-style:none}.ed-faq summary::-webkit-details-marker{display:none}.ed-faq summary:after{content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);color:var(--ed-blue);font-size:24px}.ed-faq details[open] summary:after{content:"−"}.ed-faq-answer{padding:0 20px 20px;color:var(--ed-muted)}.ed-sidebar{position:sticky;top:22px;display:grid;gap:18px}.ed-side-card{padding:23px;border:1px solid var(--ed-line);border-radius:20px;background:#fff;box-shadow:0 12px 34px rgba(5,54,94,.07)}.ed-side-card h3{margin:0 0 11px;color:var(--ed-navy);font-size:20px}.ed-side-card p{margin:0 0 12px;color:var(--ed-muted);font-size:14px}.ed-side-card a{display:inline-block;font-weight:850;text-decoration:none}.ed-side-list{display:grid;gap:9px;margin:0;padding:0;list-style:none;font-size:14px}.ed-side-list li{padding-bottom:9px;border-bottom:1px solid var(--ed-line)}.ed-side-list li:last-child{padding-bottom:0;border-bottom:0}.ed-author{margin-top:42px;padding-top:24px;border-top:1px solid var(--ed-line);color:var(--ed-muted);font-size:14px}.ed-author strong{display:block;margin-bottom:5px}
    @media(max-width:940px){.ed-layout{grid-template-columns:1fr}.ed-sidebar{position:static;grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:720px){.ed-hero{padding-top:48px}.ed-layout{padding:38px 0 58px}.ed-article{padding:26px 20px;border-radius:22px}.ed-check-grid,.ed-sidebar{grid-template-columns:1fr}.ed-cta{padding:26px 22px}.ed-hero-media{padding:7px;border-radius:22px}.ed-hero-media img{border-radius:15px}}