:root{
  --dc-header-bg:#09111b;
  --dc-header-card:rgba(19,31,49,.96);
  --dc-header-soft:rgba(255,255,255,.06);
  --dc-header-input:rgba(3,8,16,.50);
  --dc-header-line:rgba(255,255,255,.14);
  --dc-header-text:#f4f7fb;
  --dc-header-muted:#aeb9c9;
  --dc-header-gold:#f5c451;
  --dc-header-red:#ef3b2d;
}
.top{box-sizing:border-box;width:100%;max-width:1280px;display:grid;grid-template-columns:auto minmax(260px,1fr) auto;align-items:center;gap:14px;position:relative;margin:0 auto 24px;padding:0 20px}
.wrap>.top,.career-wrap>.top{padding:0}
.top .brand{display:flex;align-items:center;gap:14px;font-weight:800;letter-spacing:.02em;text-decoration:none;color:var(--text,var(--dc-header-text))!important}
.top .brand-mark{width:42px;height:42px;border-radius:12px;background:linear-gradient(135deg,#ff6a2a,#ef3b2d);display:grid;place-items:center;box-shadow:0 18px 40px rgba(0,0,0,.28);font-size:18px;font-weight:900;color:#fff}
.top .brand-text{font-size:22px;color:var(--text,var(--dc-header-text))}
.top-search-trigger{width:100%;min-height:46px;display:flex;align-items:center;justify-content:flex-start;gap:10px;border:1px solid var(--line,var(--dc-header-line));border-radius:999px;background:var(--input-bg,var(--dc-header-input));color:var(--muted,var(--dc-header-muted));padding:0 16px;font:inherit;font-weight:850;cursor:pointer;box-shadow:0 16px 44px rgba(0,0,0,.14);text-align:left}
.top-search-trigger:hover,.top-search-trigger:focus-visible{border-color:rgba(245,196,81,.7);color:var(--text,var(--dc-header-text));box-shadow:0 0 0 4px rgba(245,196,81,.12);outline:none}
.top-search-icon{display:inline-flex;width:20px;height:20px;flex:0 0 20px;color:var(--muted,var(--dc-header-muted))}
.top-search-icon svg{display:block;width:20px;height:20px;fill:currentColor}
.top-actions{display:flex;align-items:center;justify-content:flex-end;gap:8px;flex-wrap:nowrap}
.support-link,.signin-link,.theme-toggle,.site-menu summary{color:var(--text,var(--dc-header-text))!important;text-decoration:none;border:1px solid var(--line,var(--dc-header-line));border-radius:12px;background:var(--soft-bg,var(--dc-header-soft));display:inline-flex;align-items:center;justify-content:center;gap:8px}
.theme-toggle,.site-menu summary{width:46px;height:46px;padding:0;font:inherit;font-size:22px;font-weight:900;line-height:1;cursor:pointer}
.theme-toggle-symbol,.site-menu-icon{display:block;line-height:1}
.signin-link,.signin-link:visited{color:var(--text,var(--dc-header-text))!important;text-decoration:none;font-weight:900;white-space:nowrap}
.site-menu-panel .signin-link{max-width:none;overflow:visible;text-overflow:clip}
.site-menu{display:block;position:relative}
.site-menu summary{list-style:none;cursor:pointer;font-weight:900}
.site-menu summary::-webkit-details-marker{display:none}
.site-menu-panel{position:absolute;right:0;top:calc(100% + 10px);z-index:50;width:min(360px,calc(100vw - 32px));max-height:calc(100vh - 92px);overflow:auto;padding:12px;border:1px solid var(--line,var(--dc-header-line));border-radius:20px;background:var(--card-bg,var(--card,var(--dc-header-card)));box-shadow:0 24px 70px rgba(0,0,0,.35);display:grid;gap:10px}
.site-menu-section{display:grid;gap:7px}
.site-menu-divider{height:1px;background:var(--line,var(--dc-header-line));margin:6px 0}
.site-menu-panel a,.site-menu-heading-link,.site-menu-heading{display:flex;align-items:center;gap:9px}
.site-menu-item-icon{display:inline-grid;place-items:center;width:22px;min-width:22px;text-align:center;font-size:18px}
.site-menu-account-link{min-height:48px;border:1px solid color-mix(in srgb,var(--red,var(--dc-header-red)) 48%,var(--line,var(--dc-header-line)));background:linear-gradient(135deg,var(--red,var(--dc-header-red)),#ff6a2a);color:#fff!important;box-shadow:0 12px 26px rgba(239,59,45,.20)}
.site-menu-account-link:hover,.site-menu-account-link:focus-visible{background:linear-gradient(135deg,color-mix(in srgb,var(--red,var(--dc-header-red)) 88%,#fff),#ff7b3d)!important}
.site-menu-heading,.site-menu-heading-link{padding:6px 10px 4px;color:var(--label,var(--muted,var(--dc-header-muted)))!important;font-size:12px;font-weight:950;letter-spacing:.08em;text-transform:uppercase;text-decoration:none}
.site-menu-category-list,.site-menu-popular-list{display:grid;gap:2px}
.site-menu-panel a{color:var(--text,var(--dc-header-text))!important;text-decoration:none;padding:10px 11px;border-radius:12px;font-weight:850}
.site-menu-category-link:before{content:"";width:5px;height:5px;border-radius:999px;background:currentColor;opacity:.58;display:inline-block;margin:0 9px 2px 0}
.site-menu-panel a:hover,.site-menu-panel a:focus-visible,.signin-link:hover,.signin-link:focus-visible{background:var(--soft-bg,var(--dc-header-soft));outline:none}
.site-menu-dynamic{display:grid;gap:6px;margin:6px 0 2px;padding:10px;border:1px solid var(--line,var(--dc-header-line));border-radius:14px;background:var(--soft-bg,var(--dc-header-soft))}
.site-menu-dynamic[hidden]{display:none!important}
.site-menu-dynamic-title{display:flex;align-items:center;justify-content:space-between;gap:10px;color:var(--label,var(--muted,var(--dc-header-muted)));font-size:12px;font-weight:950;letter-spacing:.06em;text-transform:uppercase}
.site-menu-exam-row{display:grid!important;grid-template-columns:minmax(0,1fr) auto;gap:10px;align-items:center;padding:8px 9px!important;border-radius:10px}
.site-menu-exam-row span{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.site-menu-exam-row b{color:var(--gold,var(--dc-header-gold));font-size:12px;white-space:nowrap}
.site-menu-exam-row.is-progress{grid-template-columns:minmax(58px,.7fr) minmax(62px,1fr) auto}
.site-menu-progress{height:7px;border-radius:999px;background:color-mix(in srgb,var(--line,var(--dc-header-line)) 62%,transparent);overflow:hidden}
.site-menu-progress i{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--red,var(--dc-header-red)),var(--gold,var(--dc-header-gold)))}
.site-menu-continue-card{display:grid;gap:8px;padding:12px;border:1px solid color-mix(in srgb,var(--gold,var(--dc-header-gold)) 40%,var(--line,var(--dc-header-line)));border-radius:14px;background:linear-gradient(135deg,color-mix(in srgb,var(--gold,var(--dc-header-gold)) 13%,var(--soft-bg,var(--dc-header-soft))),var(--soft-bg,var(--dc-header-soft)))}
.site-menu-continue-head{display:flex;align-items:center;gap:8px}
.site-menu-continue-icon{display:inline-grid;place-items:center;width:30px;height:30px;border-radius:999px;background:#fff;box-shadow:0 0 0 1px color-mix(in srgb,var(--gold,var(--dc-header-gold)) 34%,transparent);font-size:18px;line-height:1}
.site-menu-continue-card strong{font-size:15px;line-height:1.15}
.site-menu-continue-card span{color:var(--label,var(--muted,var(--dc-header-muted)));font-size:12px;font-weight:850;line-height:1.35}
.site-menu-continue-card .site-menu-continue-icon{color:var(--text,var(--dc-header-text));font-size:18px;font-weight:900;line-height:1}
.site-menu-continue-list{display:grid;gap:7px}
.site-menu-continue-action{position:relative;overflow:hidden;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px;align-items:center;padding:8px;border:1px solid color-mix(in srgb,var(--line,var(--dc-header-line)) 72%,transparent);border-radius:12px;background:color-mix(in srgb,var(--soft-bg,var(--dc-header-soft)) 86%,transparent)}
.site-menu-continue-action.has-course-progress{padding-left:16px;border-color:color-mix(in srgb,var(--gold,var(--dc-header-gold)) 42%,var(--line,var(--dc-header-line)));background:linear-gradient(135deg,color-mix(in srgb,var(--gold,var(--dc-header-gold)) 11%,var(--soft-bg,var(--dc-header-soft))),color-mix(in srgb,var(--soft-bg,var(--dc-header-soft)) 88%,transparent))}
.site-menu-continue-action.has-course-progress:before,.site-menu-continue-action.has-course-progress:after{content:"";position:absolute;left:0;width:8px;border-radius:12px 0 0 12px;pointer-events:none}
.site-menu-continue-action.has-course-progress:before{top:0;bottom:0;background:color-mix(in srgb,var(--line,var(--dc-header-line)) 72%,transparent)}
.site-menu-continue-action.has-course-progress:after{bottom:0;height:var(--course-progress,0%);background:linear-gradient(180deg,#58e6c2,var(--gold,var(--dc-header-gold)) 58%,var(--red,var(--dc-header-red)));box-shadow:0 0 18px color-mix(in srgb,var(--gold,var(--dc-header-gold)) 28%,transparent)}
.site-menu-continue-action div{display:grid;gap:2px;min-width:0}
.site-menu-continue-action strong{font-size:13px;line-height:1.2;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.site-menu-continue-action span{font-size:11px;line-height:1.25}
.site-menu-continue-action a{justify-content:center;min-height:34px;padding:0 10px!important;border:1px solid var(--line,var(--dc-header-line));background:var(--soft-bg,var(--dc-header-soft));color:var(--text,var(--dc-header-text))!important;font-size:12px;white-space:nowrap}
.site-menu-continue-action[data-continue-kind="course"] a{border-color:rgba(45,212,191,.58);background:linear-gradient(135deg,#0f766e,#14b8a6);color:#fff!important;box-shadow:0 10px 22px rgba(20,184,166,.22)}
.site-menu-continue-action[data-continue-kind="notes"] a{border-color:rgba(245,196,81,.64);background:linear-gradient(135deg,#8b5e00,#f5c451);color:#111827!important;box-shadow:0 10px 22px rgba(245,196,81,.20)}
.site-menu-continue-action[data-continue-kind="practice"] a{border-color:transparent;background:linear-gradient(135deg,var(--red,var(--dc-header-red)),#ff6048);color:#fff!important;box-shadow:0 10px 22px rgba(239,59,45,.22)}
.site-menu-continue-action[data-continue-kind="exam"] a{border-color:color-mix(in srgb,#2b67ff 56%,var(--line,var(--dc-header-line)));background:linear-gradient(135deg,#1d4ed8,#2b67ff);color:#fff!important;box-shadow:0 10px 22px rgba(43,103,255,.22)}
.site-menu-more-link{color:var(--label,var(--muted,var(--dc-header-muted)))!important;font-size:12px}
.cert-search-modal{position:fixed;inset:0;z-index:1000;display:grid;place-items:start center;padding:clamp(18px,7vh,72px) 20px;background:rgba(3,8,16,.68);backdrop-filter:blur(14px)}
.cert-search-modal[hidden]{display:none}
.cert-search-scrim{position:absolute;inset:0;border:0;background:transparent;cursor:pointer}
.cert-search-dialog{position:relative;z-index:1;width:min(720px,100%);max-height:min(760px,calc(100vh - 40px));overflow:auto;border:1px solid var(--line,var(--dc-header-line));border-radius:28px;background:var(--card-bg,var(--card,var(--dc-header-card)));box-shadow:0 30px 90px rgba(0,0,0,.48);padding:24px}
.cert-search-dialog-head{display:flex;align-items:start;justify-content:space-between;gap:16px;margin-bottom:18px}
.cert-search-dialog-head h2{margin:4px 0 0;font-size:32px;line-height:1.05}
.cert-search-close{border:1px solid var(--line,var(--dc-header-line));border-radius:999px;background:var(--soft-bg,var(--dc-header-soft));color:var(--text,var(--dc-header-text));padding:10px 14px;font:inherit;font-weight:800;cursor:pointer}
.cert-search-label{color:var(--label,var(--muted,var(--dc-header-muted)));font-size:12px;font-weight:950;letter-spacing:.08em;text-transform:uppercase}
.cert-search-input{width:100%;min-height:48px;margin-top:8px;border-radius:15px;border:1px solid var(--line,var(--dc-header-line));background:var(--input-bg,var(--dc-header-input));color:var(--text,var(--dc-header-text));padding:0 14px;font:inherit;outline:none}
.cert-search-input:focus{border-color:rgba(245,196,81,.75);box-shadow:0 0 0 4px rgba(245,196,81,.13)}
.cert-search-hint{color:var(--muted,var(--dc-header-muted));font-size:13px}
.cert-search-empty{margin:14px 0 0;padding:16px;border-radius:18px;border:1px dashed var(--line,var(--dc-header-line));background:var(--soft-bg,var(--dc-header-soft));color:var(--text,var(--dc-header-text))}
.cert-search-results{display:grid;gap:10px;margin-top:18px}
@media (max-width:640px){
  .top{grid-template-columns:auto minmax(0,1fr) auto;gap:8px}
  .top .brand{gap:0}
  .top .brand-text{display:none}
  .top-search-trigger{min-width:0;min-height:42px;padding:0 12px;font-size:14px;box-shadow:0 12px 30px rgba(0,0,0,.12)}
  .top-search-trigger span:not(.top-search-icon){overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .top-actions{gap:7px;justify-self:end;min-width:0}
  .theme-toggle,.site-menu summary{width:42px;height:42px;font-size:21px}
  .site-menu-panel{right:0;left:auto;width:min(340px,calc(100vw - 32px));max-height:calc(100vh - 84px)}
}