.qd-site-nav{position:sticky;top:0;z-index:1000;border-bottom:1px solid rgba(255,255,255,.07);background:rgba(7,7,8,.88);backdrop-filter:blur(14px)}.qd-nav-inner{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}.qd-brand{display:flex;align-items:center;gap:11px;font:600 14px/1 "Space Grotesk",sans-serif;letter-spacing:.2em;white-space:nowrap}.qd-brand img{width:38px;height:38px;border-radius:9px;object-fit:cover}.qd-nav-links{display:flex;align-items:center;gap:26px;font:700 14px "Space Grotesk",sans-serif;color:#ececf0}.qd-nav-links a:hover{color:#fff}.qd-nav-actions{display:flex;align-items:center;gap:12px}.qd-nav-cta{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 19px;border-radius:11px;background:var(--silver);color:#111;font-weight:700;font-size:13px}.nav-menu-btn{display:none;width:44px;height:44px;align-items:center;justify-content:center;flex-direction:column;gap:5px;border:1px solid var(--line);border-radius:12px;background:rgba(255,255,255,.04);color:var(--fg);cursor:pointer}.nav-menu-btn span{height:2px;width:17px;background:currentColor;border-radius:2px}.nav-mobile-overlay{position:fixed;inset:0;z-index:2000;background:rgba(0,0,0,.62);opacity:0;pointer-events:none;transition:opacity .2s}.nav-mobile-overlay.open{opacity:1;pointer-events:auto}.nav-mobile-panel{position:absolute;right:0;top:0;height:100%;width:min(390px,88vw);padding:22px;background:#101013;border-left:1px solid var(--line);transform:translateX(100%);transition:transform .25s;overflow:auto}.nav-mobile-overlay.open .nav-mobile-panel{transform:none}[dir="rtl"] .nav-mobile-panel{right:auto;left:0;transform:translateX(-100%)}[dir="rtl"] .nav-mobile-overlay.open .nav-mobile-panel{transform:none}.nav-mobile-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--line)}.nav-mobile-close{border:0;background:none;color:var(--fg);font-size:22px;cursor:pointer}.nav-mobile-links{display:grid;padding:18px 0}.nav-mobile-links a{padding:14px 0;border-bottom:1px solid var(--line);font:600 18px "Space Grotesk",sans-serif}.nav-mobile-langs{display:flex;flex-wrap:wrap;gap:8px;padding-top:18px}.nav-mobile-langs button{flex:1 1 40%;min-height:44px;border:1px solid var(--line);border-radius:11px;background:rgba(255,255,255,.03);color:var(--fg);font:600 14px inherit}.lang-switch{position:relative}.lang-btn{display:flex;gap:8px;align-items:center;min-height:42px;padding:0 12px;border:1px solid var(--line);border-radius:10px;background:rgba(255,255,255,.03);color:var(--fg);cursor:pointer}.lang-menu{position:absolute;right:0;top:calc(100% + 8px);display:grid;min-width:150px;padding:6px;border:1px solid var(--line);border-radius:12px;background:#141418;z-index:1001;opacity:0;pointer-events:none;transform:translateY(-5px)}.lang-switch.open .lang-menu{opacity:1;pointer-events:auto;transform:none}.lang-menu button{padding:10px;border:0;background:none;color:var(--fg);text-align:start;cursor:pointer}.lang-menu button:hover{background:rgba(255,255,255,.07)}[dir="rtl"] .lang-menu{right:auto;left:0}html[lang="ar"] body{text-align:right}html[lang="ar"] .breadcrumbs{direction:rtl}html[lang="ar"] .steps .card:before{right:23px;left:auto}html[lang="zh"] body,html[lang="zh"] h1,html[lang="zh"] h2,html[lang="zh"] h3{font-family:Inter,"Microsoft YaHei","Noto Sans CJK SC",sans-serif}html[lang="ru"] h1,html[lang="ru"] h2,html[lang="ru"] h3{font-family:Inter,system-ui,sans-serif}@media(max-width:880px){.qd-nav-links{display:none}.nav-menu-btn{display:flex}.qd-nav-inner{min-height:68px;gap:9px}.qd-nav-actions{gap:8px}.qd-nav-cta{min-height:42px;padding:0 12px;font-size:12px}}@media(max-width:500px){.qd-brand{font-size:12px;letter-spacing:.12em}.qd-brand img{width:34px;height:34px}.qd-nav-cta{display:none}}