:root{color-scheme:light dark;--bg:#f7f8fa;--panel:#fff;--text:#17233b;--muted:#657087;--line:#e4e8ef;--accent:#0f73a9;--accent-soft:#e4f3fb;--note:#fff8df;--shadow:0 12px 34px #17304b12}
@media(prefers-color-scheme:dark){:root{--bg:#10141c;--panel:#181e29;--text:#f2f5fa;--muted:#aeb8c8;--line:#2b3442;--accent:#58b9ef;--accent-soft:#153447;--note:#3b341d;--shadow:0 14px 38px #0005}}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.65 Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif}.sidebar{position:fixed;inset:0 auto 0 0;width:290px;padding:24px 18px;background:var(--panel);border-right:1px solid var(--line);overflow:auto;z-index:3}.brand{display:flex;gap:12px;align-items:center;padding:0 10px 24px}.mark{display:grid;place-items:center;width:48px;height:48px;border-radius:14px;background:linear-gradient(135deg,#f59c16,#e45225);color:white;font-weight:900;font-size:20px}.brand strong,.brand small{display:block}.brand strong{font-size:19px}.brand small{color:var(--muted)}.search{display:flex;gap:8px;align-items:center;padding:10px 12px;border:1px solid var(--line);border-radius:11px;background:var(--bg);margin-bottom:22px}.search input{min-width:0;width:100%;border:0;outline:0;background:transparent;color:var(--text)}.group{margin:18px 10px 7px;color:var(--muted);font-size:11px;font-weight:800;letter-spacing:.12em}.nav-link{width:100%;display:block;border:0;background:transparent;color:var(--text);text-align:left;padding:9px 11px;border-radius:9px;cursor:pointer}.nav-link:hover,.nav-link.active{background:var(--accent-soft);color:var(--accent);font-weight:700}.nav-link.hidden{display:none}main{margin-left:290px;min-height:100vh}.topbar{height:64px;display:flex;align-items:center;justify-content:space-between;padding:0 6vw;border-bottom:1px solid var(--line);background:color-mix(in srgb,var(--bg) 86%,transparent);position:sticky;top:0;backdrop-filter:blur(12px);z-index:2}.topbar #menu{display:none}.page-count{color:var(--muted);font-size:13px}article{max-width:960px;margin:auto;padding:62px 46px 40px}article h1{font-size:clamp(34px,5vw,54px);line-height:1.08;margin:0 0 14px;letter-spacing:-.035em}article h2{font-size:24px;margin:45px 0 12px}article h3{font-size:20px;margin:0 0 6px}article p.lead{font-size:19px;color:var(--muted);max-width:760px}article img{display:block;width:100%;max-height:620px;object-fit:contain;object-position:top;border:1px solid var(--line);border-radius:15px;background:#fff;box-shadow:var(--shadow);margin:28px 0}article figure{margin:28px 0}article figure img{margin:0}article figcaption{padding:9px 4px 0;color:var(--muted);font-size:13px}article ol,article ul{padding-left:22px}article li{margin:7px 0}.note{padding:16px 18px;border-left:4px solid #e4a11b;border-radius:8px;background:var(--note);margin:24px 0}.kicker{color:var(--accent);font-size:12px;font-weight:850;letter-spacing:.12em;text-transform:uppercase}.steps{display:grid;gap:26px;margin-top:22px}.steps section{position:relative;padding:24px 24px 8px;background:var(--panel);border:1px solid var(--line);border-radius:16px}.steps .step-number{float:left;display:grid;place-items:center;width:34px;height:34px;margin:0 12px 4px 0;border-radius:50%;background:var(--accent);color:#fff;font-weight:800}.steps figure{clear:both;margin:22px 0 8px}.steps figure img{margin:0}.steps figcaption{padding:9px 4px 0;color:var(--muted);font-size:13px}footer{max-width:960px;margin:auto;padding:24px 46px 54px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:16px}footer button,#menu{border:1px solid var(--line);background:var(--panel);color:var(--text);padding:11px 15px;border-radius:10px;cursor:pointer}footer button:disabled{opacity:.35}.scrim{display:none}
@media(max-width:820px){.sidebar{transform:translateX(-102%);transition:.2s}.sidebar.open{transform:none;box-shadow:0 0 45px #0008}.scrim.open{display:block;position:fixed;inset:0;background:#0008;z-index:2}main{margin-left:0}.topbar #menu{display:inline-block}.topbar{padding:0 20px}article{padding:42px 22px 30px}footer{padding:20px 22px 42px}}
.login-entry{display:flex;align-items:center;gap:14px;margin:18px 0;padding:14px 16px;background:var(--bg);border:1px solid var(--line);border-radius:12px}.login-entry img{width:160px;max-height:none;margin:0;border-radius:2px;box-shadow:none}.login-entry span{color:var(--muted)}
@media(max-width:520px){.login-entry{align-items:flex-start;flex-direction:column}.login-entry img{width:160px}}
article img{cursor:zoom-in}
.image-viewer{width:min(96vw,1500px);height:min(94vh,980px);padding:52px 18px 18px;border:1px solid var(--line);border-radius:18px;background:var(--panel);color:var(--text);box-shadow:0 25px 80px #0008}
.image-viewer::backdrop{background:#05080dcc;backdrop-filter:blur(5px)}
.image-viewer img{display:block;width:100%;height:calc(100% - 34px);object-fit:contain;background:#fff;border-radius:10px}
.image-viewer p{height:26px;margin:8px 42px 0;text-align:center;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.image-viewer-close{position:absolute;top:10px;right:14px;width:36px;height:36px;border:1px solid var(--line);border-radius:50%;background:var(--bg);color:var(--text);font-size:26px;line-height:1;cursor:pointer}
.brand{gap:10px;padding-left:4px;padding-right:4px}.brand-logo{display:block;width:150px;height:68px;flex:0 0 150px;object-fit:contain;border-radius:8px;background:#fff}.brand strong{font-size:17px;line-height:1.25}
.site-switcher{display:grid;grid-template-columns:1fr 1fr;gap:5px;margin:0 0 16px;padding:5px;border:1px solid var(--line);border-radius:12px;background:var(--bg)}.site-switcher a{padding:8px 7px;border-radius:8px;color:var(--muted);font-size:12px;font-weight:800;text-align:center;text-decoration:none}.site-switcher a:hover{color:var(--accent);background:var(--panel)}.site-switcher a.active{color:#fff;background:var(--accent);box-shadow:var(--shadow)}.topbar-actions{display:flex;align-items:center;gap:16px}.faq-shortcut{padding:8px 12px;border:1px solid var(--accent);border-radius:9px;background:var(--accent);color:#fff;font-size:13px;font-weight:800;text-decoration:none}.faq-shortcut:hover{filter:brightness(1.08)}.faq-shortcut:focus-visible,.site-switcher a:focus-visible{outline:3px solid #f59c16;outline-offset:2px}
@media(max-width:520px){.network-title{display:none}.topbar-actions{gap:10px}.faq-shortcut{padding:7px 10px;font-size:12px}.page-count{font-size:12px}}