.custom-logo{display:block;max-height:48px;width:auto}.brand-mark{display:flex;gap:3px;align-items:end;width:34px;height:34px;padding:8px;border-radius:11px;background:#121d39}.brand-mark i{display:block;width:5px;border-radius:6px}.brand-mark i:nth-child(1){height:11px;background:var(--red)}.brand-mark i:nth-child(2){height:18px;background:var(--green)}.brand-mark i:nth-child(3){height:14px;background:var(--violet)}.notice{height:34px;display:flex;align-items:center;overflow:hidden;white-space:nowrap;background:linear-gradient(90deg,#33132a,#112b42,#123126);font-size:.8rem;color:#dceaff}.notice span{display:inline-block;padding-left:100%;animation:ticker 22s linear infinite}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:70px}.mobile-cta{display:none}.article-hero{padding:75px 0;background:radial-gradient(circle at 70% 20%,rgba(166,107,255,.18),transparent 35%),linear-gradient(180deg,#0a1530,#060918);border-bottom:1px solid var(--line)}.article-hero h1{font-size:clamp(2.5rem,5vw,4.7rem)}.article-hero p{font-size:1.15rem}.breadcrumbs{display:flex;gap:10px;color:#91a1bd;font-size:.85rem;margin-bottom:24px}.article-grid{display:grid;grid-template-columns:minmax(0,760px) 280px;justify-content:space-between;gap:55px;padding-top:65px;padding-bottom:100px}.article-body{font-size:1.06rem}.article-body h2{font-size:2rem;margin-top:48px}.article-body h3{font-size:1.35rem;margin-top:34px}.article-body a{color:var(--cyan);text-decoration:underline}.article-body table{width:100%;border-collapse:collapse;margin:28px 0}.article-body th,.article-body td{border:1px solid var(--line);padding:13px;text-align:left}.article-body th{background:var(--surface2)}.article-body blockquote{margin:28px 0;padding:20px;border-left:4px solid var(--gold);background:var(--surface)}.article-side{position:relative}.side-card{position:sticky;top:120px;padding:22px;border:1px solid var(--line);border-radius:18px;background:var(--surface);margin-bottom:16px}.side-card .topic-links{display:grid;margin-top:14px}.side-card .topic-links a{border-radius:10px}.side-card.warning{position:static;border-color:rgba(255,200,90,.3)}.empty{text-align:center;min-height:60vh}.empty .btn{margin-top:20px}@media (max-width:900px){.site-nav.open{display:block}.header-inner>.btn{display:none}.article-grid{grid-template-columns:1fr}.article-side{display:none}.footer-grid{grid-template-columns:1.3fr 1fr}.footer-grid>div:last-child{grid-column:1/-1}}@media (max-width:600px){.notice{height:30px}.footer-grid{gap:32px}.footer-grid>div:last-child{grid-column:auto}.mobile-cta{position:fixed;display:grid;grid-template-columns:1fr 1fr;left:0;right:0;bottom:0;z-index:90;padding:8px max(10px,env(safe-area-inset-left)) calc(8px + env(safe-area-inset-bottom));background:rgba(3,5,13,.94);border-top:1px solid var(--line);gap:8px}.mobile-cta a{display:grid;place-items:center;min-height:46px;border-radius:12px;background:#17223c;font-weight:800}.mobile-cta a:last-child{background:linear-gradient(135deg,var(--green),var(--cyan));color:#021118}.article-hero{padding:48px 0}.article-grid{padding-top:38px}.article-body{overflow-wrap:anywhere}.article-body table{display:block;overflow-x:auto}}.answer-box{margin:28px 0;padding:18px 20px;border:1px solid rgba(52,230,154,.28);border-radius:14px;background:rgba(52,230,154,.07);color:#dfffee}.header-actions .btn-login{background:rgba(255,255,255,.06);color:#fff;border:1px solid rgba(255,255,255,.18);box-shadow:none}.notice span{animation-duration:24s}.platform-btn.is-disabled{cursor:not-allowed;opacity:.42}.platform-grid.is-expanded .platform-card{display:flex}@media (max-width:520px){.platform-grid.is-expanded .platform-card{display:flex}}.article-meta{display:flex;flex-wrap:wrap;gap:9px 18px;margin-top:24px;color:#95a5c1;font-size:.82rem}.article-meta span{display:inline-flex;align-items:center;gap:7px}.article-meta span:not(:last-child):after{content:"";width:4px;height:4px;margin-left:10px;border-radius:50%;background:var(--green)}.article-meta a{color:var(--green);font-weight:800}.authority-article{--article-accent:var(--green)}.quick-answer{margin:0 0 28px;padding:26px 28px;border:1px solid rgba(52,230,154,.3);border-radius:20px;background:linear-gradient(145deg,rgba(52,230,154,.11),rgba(13,23,48,.72));box-shadow:0 18px 45px rgba(0,0,0,.2)}.quick-answer>span{display:block;margin-bottom:10px;color:var(--green);font-size:.74rem;font-weight:900;text-transform:uppercase;letter-spacing:.13em}.quick-answer p{margin:0;color:#e5ebf7;font-size:1.08rem;line-height:1.75}.article-keypoints{margin:0 0 42px;padding:24px 27px;border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.035)}.article-keypoints>strong{display:block;margin-bottom:12px;color:#fff;font-size:1.06rem}.article-keypoints ul{display:grid;gap:8px;margin:0;padding:0;list-style:none}.article-keypoints li{position:relative;padding-left:26px;color:#c8d2e5}.article-keypoints li:before{content:"✓";position:absolute;left:0;color:var(--green);font-weight:900}.authority-section{padding-top:4px}.authority-section h2{padding-top:6px}.authority-section p{color:#b6c2d8}.authority-checklist{display:grid;gap:10px;margin:25px 0 34px;padding:0;list-style:none}.authority-checklist li{position:relative;padding:14px 16px 14px 46px;border:1px solid var(--line);border-radius:13px;background:rgba(255,255,255,.028);color:#d6deed}.authority-checklist li:before{content:"";position:absolute;left:18px;top:20px;width:10px;height:10px;border-radius:50%;background:linear-gradient(135deg,var(--green),var(--cyan));box-shadow:0 0 14px rgba(52,230,154,.5)}.editorial-note{margin:48px 0;padding:24px 26px;border-left:4px solid var(--gold);border-radius:0 17px 17px 0;background:linear-gradient(90deg,rgba(255,200,90,.1),rgba(255,255,255,.025))}.editorial-note strong{color:var(--gold)}.editorial-note p{margin:8px 0 0}.related-reading{margin-top:52px}.related-reading>div{display:grid;grid-template-columns:repeat(3,1fr);gap:11px}.related-reading a{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:72px;padding:16px 18px;border:1px solid var(--line);border-radius:15px;background:var(--surface);color:#e6edf9;text-decoration:none;font-weight:750}.related-reading a:hover{border-color:var(--green);color:var(--green)}.related-reading a span{font-size:1.25rem}.authority-faq{margin-top:58px}.authority-faq .faq-list{border-top:1px solid var(--line)}.support-unavailable{color:var(--gold);font-weight:750}@media (max-width:700px){.article-meta{gap:8px 12px}.article-meta span:after{display:none}.quick-answer{padding:21px}.article-keypoints{padding:20px}.related-reading>div{grid-template-columns:1fr}.related-reading a{min-height:60px}.editorial-note{padding:20px}.authority-section h2{font-size:1.75rem}}