:root{--navy:#102b4d;--orange:#e4773d;--ink:#1d3148;--muted:#62738a;--line:#dfe6ef;--bg:#f5f8fd;--shadow:0 12px 40px rgba(17,45,80,.075)}
*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font:400 15px/1.72 'Be Vietnam Pro','Noto Sans KR','Segoe UI',sans-serif;-webkit-font-smoothing:antialiased} [lang="ko"]{font-family:'Noto Sans KR','Malgun Gothic',sans-serif;word-break:keep-all}button,a{font:inherit}button{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid var(--orange);outline-offset:3px}.hidden{display:none!important}.skip-link{position:absolute;left:14px;top:-60px;z-index:2000;padding:8px 15px;background:var(--navy);color:white}.skip-link:focus{top:10px}.header{background:#fff;border-bottom:1px solid var(--line)}.header-inner{width:min(1180px,calc(100% - 34px));min-height:82px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{text-decoration:none;color:var(--navy);display:flex;align-items:center;gap:10px}.brand img{width:62px;height:62px;object-fit:contain}.brand span{display:grid}.brand strong{font-size:16px;letter-spacing:-.35px}.brand small{font-size:10px;color:#d96e36;font-weight:800}.header nav{display:flex;align-items:center;flex-wrap:wrap;gap:5px}.header nav a{display:inline-block;padding:9px 12px;color:#354d67;font-size:12px;font-weight:700;text-decoration:none;border-radius:9px}.header nav a:hover,.header nav .is-current{background:#ecf2fa;color:var(--navy)}.shell{width:min(1100px,calc(100% - 30px));margin:36px auto 84px}.page-intro{text-align:center;max-width:790px;margin:0 auto 27px}.eyebrow{font-weight:800;letter-spacing:.1em;font-size:11px;color:#c06936}.page-intro h1,.exam-heading h1,.result-area h1{font-size:clamp(23px,3vw,36px);line-height:1.38;letter-spacing:-.65px;color:var(--navy);margin:9px 0 13px}.page-intro p{max-width:750px;margin:0 auto;color:var(--muted);font-size:14px}.choose-level{display:flex;gap:10px;padding:6px;background:#eaf0f8;border-radius:15px;width:max-content;max-width:100%;margin:25px auto 31px}.level-tab{background:transparent;border:0;padding:10px 22px;border-radius:10px;color:#53677f;font-weight:800}.level-tab span{font-family:'Noto Sans KR',sans-serif;font-size:11px;display:block;line-height:1.5}.level-tab.is-active{background:var(--navy);color:white;box-shadow:0 5px 12px #102b4d23}.section-row{display:flex;align-items:end;justify-content:space-between;gap:20px;margin:0 0 17px}.section-row h2{font-size:21px;line-height:1.45;margin:0 0 3px;color:var(--navy)}.section-row p{font-size:13px;margin:0;color:var(--muted)}.count-label{padding:6px 12px;border-radius:99px;background:#e7f0fb;color:#345e8b;font-weight:700;font-size:12px;white-space:nowrap}.test-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.test-card{background:white;border:1px solid var(--line);border-radius:18px;padding:20px 22px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:14px}.test-card-head{display:flex;align-items:flex-start;justify-content:space-between;gap:15px}.test-index{background:#e9f3ff;color:#245887;padding:5px 11px;border-radius:99px;font-size:12px;font-weight:800;white-space:nowrap}.lesson-range{font-size:11px;font-weight:800;color:#a75e30;white-space:nowrap}.test-card h3{font-size:18px;color:var(--navy);margin:1px 0 3px}.test-card p{margin:0;color:#697b90;font-size:12px}.test-card p strong{color:#354e6c}.test-meta{display:flex;gap:8px;flex-wrap:wrap}.test-meta span{background:#f2f5f9;border-radius:7px;padding:3px 8px;font-size:11px;color:#526780}.start-btn,.primary-btn{color:white;background:var(--navy);border:1px solid var(--navy);border-radius:11px;font-size:13px;font-weight:800;padding:10px 18px;min-height:46px}.start-btn{align-self:flex-start}.start-btn:hover,.primary-btn:hover{background:#1f4b7a}.explain-note{display:flex;align-items:flex-start;gap:11px;margin:24px auto;padding:15px 17px;background:#eaf1fa;border:1px solid #d6e4f3;border-radius:13px;font-size:12px;color:#4e6380}.explain-note>span{font-size:20px}.explain-note p{margin:0}.exam-heading{margin-bottom:20px}.exam-heading p{margin:0;color:var(--muted);font-size:13px}.text-btn{background:transparent;border:0;color:#315a87;padding:8px 0;font-size:13px;font-weight:800}.text-btn:hover{text-decoration:underline}.exam-toolbar{position:sticky;top:0;z-index:15;display:flex;align-items:center;gap:26px;flex-wrap:wrap;padding:15px 20px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow)}.toolbar-stat{display:grid;min-width:110px}.stat-label{font-size:11px;letter-spacing:.01em;color:var(--muted);font-weight:600}.toolbar-stat strong{font-size:20px;line-height:1.4;color:var(--navy)}.toolbar-stat .timer{color:#ba4c39}.exam-toolbar .primary-btn{margin-left:auto}.bar{height:7px;margin:10px 2px 22px;border-radius:12px;background:#dfe8f4;overflow:hidden}.bar span{display:block;width:0;height:100%;background:linear-gradient(90deg,#3680bd,#54b49c);transition:width .2s}.question-card{border:1px solid var(--line);border-radius:16px;padding:20px 23px;background:#fff;margin:16px 0;box-shadow:0 5px 16px rgba(16,43,77,.035)}.question-top{display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:11px;font-weight:800;color:#647b94}.question-top .kind{color:#ad6a3f;background:#fff2e8;padding:3px 9px;border-radius:99px}.question-card h3{font-size:16px;font-weight:800;line-height:1.7;color:var(--navy);margin:14px 0 15px;white-space:pre-line}.answer-choice{display:flex;gap:12px;align-items:flex-start;border:1px solid #e1e8f0;border-radius:10px;padding:11px 13px;margin:8px 0;font-size:13px;line-height:1.7;cursor:pointer;transition:.2s;background:#fff}.answer-choice:hover{background:#f6f9fc}.answer-choice input{margin:4px 0 0;flex:none;accent-color:#174b80}.answer-choice:has(input:checked){border-color:#6d99c9;background:#eff6ff}.choice-letter{font-weight:800;color:#476381;min-width:18px}.bottom-actions{display:flex;justify-content:center;padding-top:15px}.result-area{max-width:880px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:20px;padding:31px;box-shadow:var(--shadow)}.result-area h1{font-size:26px}.result-area>p{color:var(--muted);font-size:13px}.result-summary{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:26px 0}.result-summary>div{display:grid;gap:4px;border:1px solid #e4ecf5;background:#f6f9fe;border-radius:14px;padding:16px}.result-summary strong{font-size:26px;color:var(--navy)}.lesson-breakdown{display:flex;flex-wrap:wrap;gap:10px;margin:15px 0 24px}.lesson-breakdown span{border-radius:10px;background:#f7f1e8;color:#825228;padding:7px 12px;font-size:12px;font-weight:700}.result-actions{display:flex;flex-wrap:wrap;gap:10px;align-items:center}.secondary-btn{background:#edf3fa;color:var(--navy);border:1px solid #dbe7f3;border-radius:10px;padding:10px 15px;font-weight:800;font-size:13px;text-decoration:none;min-height:46px;display:inline-flex;align-items:center;justify-content:center}.secondary-btn:hover{background:#e2edf9}.review-card{border:1px solid var(--line);border-left:4px solid #b45a45;border-radius:12px;margin-top:14px;padding:16px;background:#fff}.review-card.ok{border-left-color:#19956f}.review-card h3{margin:6px 0;font-size:14px;color:var(--navy)}.review-card p{font-size:12px;margin:5px 0;color:#485f78}.review-card .note{background:#f1f6fb;border-radius:8px;padding:11px;margin-top:12px}.footer{background:#102b4d;color:#d5e0ee;text-align:center;padding:23px 15px;font-size:12px}.footer a{color:inherit;text-decoration:none}.footer a:hover{text-decoration:underline}@media(max-width:800px){.header-inner{align-items:flex-start;flex-direction:column;padding:12px 0}.header nav{width:100%}.header nav a{font-size:11px;padding:7px}.test-grid{grid-template-columns:1fr}.shell{margin:20px auto 45px}}@media(max-width:560px){.page-intro h1{font-size:23px}.section-row{align-items:flex-start;flex-direction:column;gap:7px}.test-card{padding:18px}.exam-toolbar{gap:9px;padding:12px}.toolbar-stat{min-width:86px}.toolbar-stat strong{font-size:17px}.exam-toolbar .primary-btn{margin-left:0;flex:1}.question-card{padding:16px}.result-area{padding:20px 16px}.result-summary{gap:8px}.result-summary>div{padding:10px}.result-summary strong{font-size:18px}.result-actions>*{flex:1 1 45%;text-align:center}.lesson-range{font-size:10px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}