:root{font-family:Arial,sans-serif;color:#07143f;background:#fff;--navy:#07143f;--blue:#1557ff;--muted:#5e6883;--line:#dce3ef;--soft:#f7f9fd}*{box-sizing:border-box}body{margin:0;min-width:320px}a{color:inherit}.seo-header{height:78px;padding:0 clamp(20px,5vw,76px);display:flex;align-items:center;gap:34px;border-bottom:1px solid #edf0f6}.seo-header>a:first-child{width:132px;display:block}.seo-header img{width:128px;display:block}.seo-header nav{margin-left:auto;display:flex;align-items:center;gap:28px;font-size:14px}.seo-header nav a{text-decoration:none}.seo-header .login{padding:12px 17px;border:1px solid var(--blue);border-radius:8px;color:var(--blue);font-weight:700}.breadcrumbs{max-width:1120px;margin:0 auto;padding:24px 24px 0;color:#6b7690;font-size:13px}.breadcrumbs a{color:var(--blue)}.seo-hero{max-width:1120px;margin:0 auto;padding:55px 24px 62px}.seo-kicker{color:var(--blue);font-size:12px;font-weight:700;letter-spacing:.1em;text-transform:uppercase}.seo-hero h1{max-width:900px;margin:14px 0 0;font-size:clamp(40px,5.5vw,68px);line-height:1.04;letter-spacing:-.05em}.seo-hero>p{max-width:780px;margin:24px 0 0;color:var(--muted);font-size:19px;line-height:1.65}.seo-actions{margin-top:28px;display:flex;align-items:center;gap:14px;flex-wrap:wrap}.seo-primary,.seo-secondary{min-height:50px;padding:0 22px;border-radius:8px;display:inline-flex;align-items:center;text-decoration:none;font-weight:700}.seo-primary{background:var(--blue);color:#fff}.seo-secondary{border:1px solid var(--blue);color:var(--blue)}.trust{padding:28px 24px;background:var(--navy);color:#fff}.trust>div{max-width:1120px;margin:auto;display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.trust span{text-align:center;font-size:14px}.seo-body{max-width:1120px;margin:0 auto;padding:70px 24px 90px;display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:70px}.seo-article h2{margin:48px 0 14px;font-size:32px;letter-spacing:-.035em}.seo-article h2:first-child{margin-top:0}.seo-article h3{margin:30px 0 10px;font-size:21px}.seo-article p,.seo-article li{color:#46516e;font-size:16px;line-height:1.75}.seo-article ul,.seo-article ol{padding-left:23px}.checklist{padding:22px 25px;border:1px solid var(--line);border-radius:10px;background:var(--soft)}.notice{padding:18px 20px;border-left:4px solid var(--blue);background:#f2f6ff;color:#33415f;line-height:1.6}.seo-aside{align-self:start;position:sticky;top:24px;padding:24px;border:1px solid var(--line);border-radius:12px}.seo-aside strong{font-size:18px}.seo-aside p{color:var(--muted);font-size:14px;line-height:1.55}.seo-aside a{width:100%;min-height:46px;margin-top:12px;border-radius:7px;background:var(--blue);color:#fff;display:grid;place-items:center;text-decoration:none;font-weight:700}.seo-related{padding:70px 24px;background:var(--soft)}.seo-related>div{max-width:1120px;margin:auto}.seo-related h2{margin:0 0 28px;font-size:32px}.seo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.seo-card{padding:22px;border:1px solid var(--line);border-radius:10px;background:#fff;text-decoration:none}.seo-card strong{display:block}.seo-card span{display:block;margin-top:8px;color:var(--blue);font-size:13px}.seo-footer{padding:48px clamp(24px,6vw,90px) 28px;background:var(--navy);color:#fff}.seo-footer>div{display:flex;align-items:flex-start;justify-content:space-between;gap:35px}.seo-footer img{width:125px;filter:brightness(0) invert(1)}.seo-footer nav{display:flex;gap:24px;flex-wrap:wrap}.seo-footer a{color:#d9e1f1;font-size:13px}.seo-footer small{display:block;margin-top:35px;color:#9fabc3}.guide-index{max-width:1120px;margin:0 auto;padding:70px 24px 100px}.guide-index h1{font-size:clamp(42px,5vw,64px);letter-spacing:-.05em}.guide-index>p{max-width:760px;color:var(--muted);font-size:18px;line-height:1.65}.guide-group{margin-top:55px}.guide-group h2{font-size:30px}.guide-docs{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.guide-docs a{min-height:92px;padding:20px;border:1px solid var(--line);border-radius:9px;text-decoration:none;display:flex;flex-direction:column;justify-content:center}.guide-docs a span{margin-top:8px;color:var(--blue);font-size:13px}@media(max-width:760px){.seo-header nav a:not(.login){display:none}.seo-header{padding:0 18px}.seo-body{grid-template-columns:1fr;padding-top:50px}.seo-aside{position:static}.trust>div,.seo-grid,.guide-docs{grid-template-columns:1fr}.seo-footer>div{flex-direction:column}.seo-hero{padding-top:42px}.seo-hero h1{font-size:42px}}
