:root{--abc-blue:#0b78df;--abc-green:#159b76;--abc-red:#df3343;--abc-purple:#7756d8;--abc-navy:#071426;--abc-ink:#102038;--abc-muted:#5c6b7d;--abc-line:#dbe5ef;--abc-soft:#f1f6fb;--abc-success:#157b51;--abc-warning:#9a5d00}
.abc-page{background:#f7f9fc;color:var(--abc-ink)}.abc-page main{display:block}.abc-hero{position:relative;overflow:hidden;background:radial-gradient(circle at 82% 10%,rgba(119,86,216,.32),transparent 26%),linear-gradient(115deg,#040b16,#071426 58%,#163650);color:#fff}.abc-hero:after{content:"";position:absolute;inset:auto -8% -72% 50%;height:150%;border:1px solid rgba(255,255,255,.1);border-radius:50%;transform:rotate(-15deg)}.abc-hero-inner{position:relative;z-index:2;max-width:1160px;margin:auto;padding:48px 22px 56px}.abc-hero .breadcrumbs,.abc-hero .breadcrumbs a{color:#c9dff0}.abc-hero-grid{display:grid;grid-template-columns:1.35fr .9fr;gap:36px;align-items:center}.abc-kicker{margin:24px 0 9px;color:#b9a7ff;font-weight:900;text-transform:uppercase;letter-spacing:.12em;font-size:.78rem}.abc-hero h1{max-width:820px;margin:0;font-size:clamp(2.15rem,5vw,4.2rem);line-height:1.04;letter-spacing:-.045em;color:#fff}.abc-hero h1 em{font-style:normal;color:#b7a6ff}.abc-hero h1+p{max-width:760px;margin:18px 0 0;color:#d5e2ef;font-size:1.12rem;line-height:1.65}.hero-pills{display:flex;gap:9px;flex-wrap:wrap;margin-top:24px}.hero-pills span{padding:8px 11px;border:1px solid rgba(255,255,255,.25);border-radius:999px;background:rgba(255,255,255,.07);font-size:.82rem;font-weight:800}.abc-visual img{display:block;width:100%;max-width:500px;margin:auto;border-radius:20px;box-shadow:0 24px 55px rgba(0,0,0,.28)}.abc-subnav{position:sticky;top:72px;z-index:90;display:flex;justify-content:center;gap:8px;padding:10px 16px;background:rgba(255,255,255,.96);border-bottom:1px solid var(--abc-line);backdrop-filter:blur(12px);overflow:auto}.abc-subnav a{white-space:nowrap;padding:9px 12px;border-radius:8px;color:#183451;font-weight:850;font-size:.9rem}.abc-subnav a:hover,.abc-subnav a:focus,.abc-subnav a.current{background:#f0ecff;color:#6246c7}.abc-section{max-width:1160px;margin:auto;padding:46px 22px}.abc-section.compact{padding-top:24px;padding-bottom:24px}.abc-band{background:#eef4fa;border-block:1px solid #dbe5ef}.abc-band.soft{background:#f4f1ff}.abc-band.dark{background:#081626;color:#fff;border-color:#17324e}.abc-section-head{max-width:810px;margin-bottom:22px}.abc-section-head .eyebrow{margin:0 0 6px;color:#6747cf;font-weight:900;text-transform:uppercase;letter-spacing:.1em;font-size:.76rem}.abc-section-head h2{margin:0;font-size:clamp(1.6rem,3vw,2.45rem);letter-spacing:-.03em}.abc-section-head p{margin:9px 0 0;color:var(--abc-muted);line-height:1.62}.dark .abc-section-head p{color:#bfd0df}.abc-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:15px}.abc-grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}.abc-grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.abc-card{position:relative;padding:21px;border:1px solid var(--abc-line);border-radius:16px;background:#fff;box-shadow:0 8px 24px rgba(16,48,82,.07)}.abc-card.airway{border-top:5px solid var(--abc-blue)}.abc-card.breathing{border-top:5px solid var(--abc-green)}.abc-card.circulation{border-top:5px solid var(--abc-red)}.abc-card h2,.abc-card h3{margin:0 0 9px}.abc-card p{margin:0 0 12px;color:var(--abc-muted);line-height:1.58}.abc-card ul{padding-left:20px;color:var(--abc-muted);line-height:1.58}.abc-card a:not(.abc-btn){font-weight:850;color:#076fcf}.abc-icon{width:48px;height:48px;margin-bottom:15px;display:grid;place-items:center;border-radius:12px;background:#ece8ff;color:#6549c9;font-size:1.35rem;font-weight:900}.abc-icon.a{background:#e7f4ff;color:var(--abc-blue)}.abc-icon.b{background:#e7faf4;color:var(--abc-green)}.abc-icon.c{background:#ffe9eb;color:var(--abc-red)}.abc-step{display:flex;gap:14px;align-items:flex-start}.step-num{flex:0 0 39px;height:39px;display:grid;place-items:center;border-radius:50%;background:var(--abc-purple);color:#fff;font-weight:950}.abc-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:45px;padding:11px 16px;border:0;border-radius:9px;background:#0b76df;color:#fff;font:inherit;font-weight:900;cursor:pointer;text-decoration:none}.abc-btn:hover{filter:brightness(.95);transform:translateY(-1px)}.abc-btn.purple{background:var(--abc-purple)}.abc-btn.green{background:var(--abc-green)}.abc-btn.red{background:var(--abc-red)}.abc-btn.ghost{background:#fff;color:#183451;border:1px solid #aebfd0}.abc-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}.abc-note{padding:16px 18px;border-left:5px solid #15905f;border-radius:9px;background:#edf9f4;color:#174b3a;line-height:1.55}.abc-note.warning{border-color:#e4a11b;background:#fff8e9;color:#69450a}.abc-note.danger{border-color:#dd2839;background:#fff0f1;color:#6e1720}.goal-chooser{padding:24px;border:1px solid var(--abc-line);border-radius:18px;background:#fff;box-shadow:0 10px 30px rgba(15,45,76,.08)}.choice-row{display:flex;gap:10px;flex-wrap:wrap}.choice-btn{padding:12px 15px;border:1px solid #aec0d3;border-radius:10px;background:#fff;color:#17324d;font:inherit;font-weight:850;cursor:pointer}.choice-btn:hover,.choice-btn.active{background:var(--abc-purple);border-color:var(--abc-purple);color:#fff}.chooser-result{margin-top:16px;padding:18px;border-radius:12px;background:#f3f0ff;border:1px solid #d7cff9}.chooser-result h3{margin:0 0 7px}.chooser-result p{margin:0;color:#4d4964;line-height:1.55}.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:#d4e0eb;border:1px solid #d4e0eb;border-radius:15px;overflow:hidden}.stat{padding:19px;background:#fff;text-align:center}.stat strong{display:block;font-size:1.42rem;color:#6747cf}.stat span{display:block;margin-top:3px;color:#5d6b7a;font-size:.82rem}.abc-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:15px}.abc-tab{padding:11px 17px;border:1px solid #aac0d4;border-radius:999px;background:#fff;color:#17324d;font:inherit;font-weight:900;cursor:pointer}.abc-tab[data-abc-tab="airway"][aria-selected="true"]{background:var(--abc-blue);border-color:var(--abc-blue);color:#fff}.abc-tab[data-abc-tab="breathing"][aria-selected="true"]{background:var(--abc-green);border-color:var(--abc-green);color:#fff}.abc-tab[data-abc-tab="circulation"][aria-selected="true"]{background:var(--abc-red);border-color:var(--abc-red);color:#fff}.abc-panel[hidden]{display:none}.assessment-map{display:grid;grid-template-columns:minmax(280px,.9fr) minmax(0,1.1fr);gap:18px;align-items:start}.assessment-map img{display:block;width:100%;border:1px solid var(--abc-line);border-radius:20px;background:#fff}.assessment-box{padding:24px;border:1px solid var(--abc-line);border-radius:18px;background:#fff}.assessment-box h2{margin-top:0}.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.check-card{padding:16px;border:1px solid var(--abc-line);border-radius:12px;background:#fff}.check-card strong{display:block}.check-card span{display:block;margin-top:5px;color:var(--abc-muted);font-size:.88rem;line-height:1.45}.threat-lab{display:grid;grid-template-columns:minmax(0,1fr) minmax(280px,.75fr);gap:18px}.case-card,.case-result{padding:24px;border:1px solid var(--abc-line);border-radius:18px;background:#fff}.case-badge{display:inline-flex;padding:7px 10px;border-radius:999px;background:#ece8ff;color:#6549c9;font-weight:900;font-size:.78rem}.case-vitals{display:flex;gap:9px;flex-wrap:wrap;margin:15px 0}.case-vitals span{padding:8px 10px;border-radius:9px;background:#eef4fa;color:#354f65;font-size:.84rem;font-weight:850}.answer-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:9px}.answer-grid button{padding:13px;border:1px solid #b7c7d7;border-radius:10px;background:#fff;font:inherit;font-weight:850;cursor:pointer}.answer-grid button.correct{border-color:#168259;background:#ebf8f2}.answer-grid button.wrong{border-color:#d62e3d;background:#fff0f1}.sequence-options,.sequence-chosen{display:flex;gap:9px;flex-wrap:wrap;min-height:58px;padding:12px;border:1px dashed #afc0d0;border-radius:12px}.sequence-btn{padding:9px 11px;border:1px solid #a9bed2;border-radius:8px;background:#fff;font:inherit;font-weight:800;cursor:pointer}.sequence-chosen .sequence-btn{background:#f1edff}.equipment-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.equipment-card{padding:17px;border:1px solid var(--abc-line);border-radius:14px;background:#fff}.equipment-card h3{margin:0 0 7px}.equipment-card p{margin:0;color:var(--abc-muted);line-height:1.5}.equipment-card button{margin-top:12px}.equipment-feedback{margin-top:9px;font-size:.86rem;font-weight:800;color:#465d70}.quiz{padding:24px;border-radius:17px;background:#fff;border:1px solid var(--abc-line)}.quiz-question{padding:18px 0;border-top:1px solid #e1e8ef}.quiz-question:first-child{border-top:0}.quiz-question h3{font-size:1rem;margin:0 0 10px}.quiz-question label{display:block;margin:8px 0;color:#3f5368}.quiz-result{margin-top:16px;padding:16px;border-radius:11px;background:#f2efff;font-weight:850}.scenario-choice{display:grid;gap:9px}.scenario-choice button{padding:13px;text-align:left;border:1px solid #b7c7d7;border-radius:10px;background:#fff;font:inherit;cursor:pointer}.scenario-choice button.correct{border-color:#168259;background:#ebf8f2}.scenario-choice button.wrong{border-color:#d62e3d;background:#fff0f1}.snapshot{display:grid;grid-template-columns:minmax(280px,.85fr) minmax(0,1.15fr);gap:18px}.snapshot-form,.snapshot-result{padding:24px;border:1px solid var(--abc-line);border-radius:18px;background:#fff}.field{margin-bottom:16px}.field label{display:block;margin-bottom:6px;font-weight:900}.field select{width:100%;min-height:47px;padding:10px 12px;border:1px solid #aebfd0;border-radius:9px;background:#fff;font:inherit}.snapshot-output{padding:18px;border-radius:12px;background:#eef4fa;color:#29475e;line-height:1.65}.source-list{display:grid;gap:10px}.source-link{display:flex;justify-content:space-between;gap:14px;align-items:center;padding:15px 16px;border:1px solid var(--abc-line);border-radius:12px;background:#fff;color:#17324d;font-weight:850}.source-link span{color:#65778a;font-weight:600;font-size:.86rem}.small-print{color:#68798a;font-size:.82rem;line-height:1.5}.external-mark:after{content:" ↗"}.sr-only{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}
@media(max-width:900px){.abc-hero-grid,.assessment-map,.threat-lab,.snapshot{grid-template-columns:1fr}.abc-visual{display:none}.abc-grid,.abc-grid.three{grid-template-columns:repeat(2,minmax(0,1fr))}.stat-strip{grid-template-columns:repeat(2,1fr)}.abc-subnav{justify-content:flex-start;top:64px}.equipment-grid{grid-template-columns:1fr 1fr}}
@media(max-width:620px){.abc-hero-inner{padding:32px 18px 39px}.abc-hero h1{font-size:2.25rem}.abc-section{padding:34px 16px}.abc-grid,.abc-grid.three,.abc-grid.two,.check-grid,.equipment-grid{grid-template-columns:1fr}.stat-strip{grid-template-columns:1fr 1fr}.goal-chooser,.quiz,.assessment-box,.case-card,.case-result,.snapshot-form,.snapshot-result{padding:18px}.abc-subnav a{font-size:.82rem;padding:8px 10px}.answer-grid{grid-template-columns:1fr}}