@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@400;500;600;700;800;900&display=swap');
:root{--ink:#203c35;--muted:#71817a;--green:#176b55;--deep:#123f34;--pale:#edf4eb;--line:#dfe6dd;--paper:#fafbf7;--gold:#e6ba56;--white:#fff;--red:#a33e3c;--shadow:0 10px 32px #233c3410;font-family:'Noto Sans KR','Malgun Gothic',sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none;line-height:1.65}
*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}button{cursor:pointer}a{color:inherit;text-decoration:none}a:hover{color:var(--green)}button:disabled{cursor:not-allowed;opacity:.45}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid #d49e27;outline-offset:4px}button{color:inherit}h1,h2,h3,h4,p{margin:0}h1,h2,h3{line-height:1.4;letter-spacing:-.04em}h1{font-size:46px;font-weight:800}h2{font-size:27px;font-weight:800}h3{font-size:18px}p{word-break:keep-all}.muted{color:var(--muted)}.small{font-size:13px}.eyebrow{font-size:11px;font-weight:800;letter-spacing:.18em;color:var(--green)}.skip{position:fixed;left:12px;top:-100px;z-index:100;background:var(--green);color:white;padding:12px}.skip:focus{top:10px}.site-header{height:92px;padding:0 5%;display:flex;align-items:center;gap:40px;border-bottom:1px solid var(--line);background:#fff}.brand{display:flex;gap:12px;align-items:center;font-size:17px;font-weight:800;white-space:nowrap;line-height:1.35}.brand small{display:block;font-size:11px;font-weight:500;color:var(--muted);margin-top:4px;letter-spacing:.035em}.brand-mark{display:flex;align-items:center;justify-content:center;width:43px;height:43px;border-radius:13px;background:var(--green);color:white;font-size:32px;font-weight:800;letter-spacing:-5px;padding-right:5px;line-height:1}.brand-mark span{color:var(--gold)}.site-header nav{display:flex;align-items:stretch;gap:31px;height:100%;margin:auto;font-size:14px;font-weight:600}.site-header nav a{display:flex;align-items:center;border-bottom:3px solid transparent;padding-top:3px}.site-header nav a.active{color:var(--green);border-bottom-color:var(--green)}.parent-link{font-size:12px;color:var(--muted);white-space:nowrap}main{max-width:1200px;margin:auto;padding:38px 30px 72px;min-height:70vh;outline:0}.breadcrumb{display:flex;gap:10px;color:var(--muted);font-size:12px;margin-bottom:25px}.hero{display:grid;grid-template-columns:1.2fr 1fr;min-height:355px;position:relative;background:#eaf1e6;border-radius:22px;padding:45px 48px;overflow:hidden}.hero .eyebrow{display:flex;align-items:center;gap:9px}.hero .eyebrow:before{content:'';height:6px;width:6px;border-radius:50%;background:var(--green)}.hero h1{margin:17px 0 18px}.hero h1 span{color:var(--green)}.hero p{color:#63776b;font-size:14px;line-height:1.85}.hero-buttons{display:flex;gap:11px;align-items:center;margin-top:27px}.button{display:inline-flex;align-items:center;justify-content:center;gap:12px;min-height:46px;border:1px solid var(--line);background:#fff;border-radius:8px;padding:11px 21px;font-size:14px;font-weight:700;line-height:1.4}.button:hover{border-color:var(--green);background:#f6faf6}.button.primary{background:var(--green);border-color:var(--green);color:white}.button.primary:hover{background:var(--deep)}.button.ghost{background:transparent}.button.small{min-height:36px;padding:8px 13px;font-size:12px}.button.danger{color:var(--red)}.text-link{font-size:13px;font-weight:700;color:var(--green)}.hero-art{position:relative;display:flex;align-items:center;justify-content:center}.hero-art svg{width:100%;max-width:360px;overflow:visible}.art-badge{position:absolute;bottom:8px;left:24%;font-size:11px;background:white;padding:8px 14px;border-radius:30px;box-shadow:var(--shadow);transform:rotate(-4deg)}.hero-note{font-size:11px!important;margin-top:16px}.metric-strip{display:grid;grid-template-columns:repeat(4,1fr);padding:24px 0;margin:0 0 25px;border-bottom:1px solid var(--line)}.metric{padding:0 27px;border-right:1px solid var(--line)}.metric:first-child{padding-left:6px}.metric:last-child{border:0}.metric small{display:block;color:var(--muted);font-size:12px}.metric strong{font-size:25px;letter-spacing:-.04em}.metric strong span{font-size:13px;font-weight:500;margin-left:5px}.section-head{display:flex;justify-content:space-between;align-items:end;gap:15px;margin:32px 0 20px}.section-head h2{font-size:23px}.section-head p{font-size:13px;color:var(--muted);margin-top:5px}.pill{display:inline-flex;align-items:center;background:var(--pale);color:var(--green);font-weight:700;font-size:11px;padding:4px 10px;border-radius:5px;white-space:nowrap}.pill.gold{color:#89611d;background:#fbf2da}.tabs{display:flex;gap:5px;background:#edf0e9;padding:4px;border-radius:8px;width:max-content}.tabs button{border:0;background:none;color:var(--muted);font-size:13px;padding:8px 19px;border-radius:6px;font-weight:700}.tabs button.active{background:#fff;color:var(--ink);box-shadow:0 2px 5px #00000008}.exam-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.exam-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:25px;position:relative;transition:.2s}.exam-card:hover{box-shadow:var(--shadow);border-color:#b5cabb}.card-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:17px}.year-label{font-size:12px;color:var(--muted)}.exam-card h3{font-size:22px;margin-bottom:8px}.exam-card p{color:var(--muted);font-size:12px}.exam-card .card-bottom{display:flex;justify-content:space-between;align-items:center;border-top:1px solid #edf0eb;margin-top:22px;padding-top:18px}.exam-card .card-bottom span{font-size:12px;color:var(--muted)}.home-bottom{display:grid;grid-template-columns:1.5fr 1fr;gap:20px;margin-top:32px}.subject-list{display:flex;flex-direction:column;gap:0;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden}.subject-row{display:flex;align-items:center;gap:15px;padding:17px 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p{color:var(--muted);font-size:14px;margin-top:9px}.workspace{display:grid;grid-template-columns:1fr 290px;gap:25px;align-items:start}.panel{background:white;border:1px solid var(--line);border-radius:14px;padding:27px}.panel+.panel{margin-top:20px}.panel h2{font-size:20px;margin-bottom:18px}.field{margin-bottom:25px}.field label,.field-label{display:block;font-weight:700;font-size:13px;margin-bottom:10px}.field select{width:100%;background:#fff;border:1px solid #d3ddd3;padding:12px;border-radius:7px;color:var(--ink)}.choice-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:11px}.choice{border:1px solid var(--line);background:#fff;border-radius:9px;padding:17px;text-align:left}.choice.active{border-color:var(--green);background:#f1f7f0;box-shadow:inset 0 0 0 1px var(--green)}.choice b{display:block;font-size:14px}.choice small{display:block;color:var(--muted);font-size:12px;margin-top:5px}.check-line{display:flex;align-items:center;gap:8px;font-size:13px}.check-line input{width:17px;height:17px;accent-color:var(--green)}.start-summary{padding:17px 19px;background:var(--pale);border-radius:9px;display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:15px}.start-summary p{font-size:13px}.guide-list{margin:0;padding-left:18px;font-size:13px;color:var(--muted)}.guide-list li{margin:13px 0;line-height:1.9}.side-label{font-size:11px;color:var(--green);font-weight:800;letter-spacing:.1em;margin-bottom:10px}.info-note{background:#f6f4ea;padding:15px 18px;border-radius:8px;font-size:12px;color:#7a7155;margin-top:20px}.empty{padding:65px 25px;text-align:center;border:1px dashed #cbd8cc;border-radius:14px;background:#fff}.empty-symbol{width:53px;height:53px;border-radius:50%;background:var(--pale);display:grid;place-items:center;font-size:22px;margin:0 auto 17px}.empty p{font-size:13px;color:var(--muted);margin:10px 0 24px}.filter-bar{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin:0 0 22px}.filter-bar 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p{font-size:12px;color:var(--muted);margin-top:7px}.toolbar{display:flex;gap:9px;flex-wrap:wrap;margin:20px 0}.session-heading{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-bottom:21px}.session-heading h1{font-size:24px}.session-heading p{font-size:12px;color:var(--muted);margin-top:7px}.timer{text-align:right;font-variant-numeric:tabular-nums}.timer strong{display:block;font-size:27px;color:var(--green);line-height:1.3}.timer small{font-size:11px;color:var(--muted)}.timer.warning strong{color:var(--red)}.progress-line{height:4px;background:#e4ebe1;border-radius:3px;margin-bottom:25px;overflow:hidden}.progress-line span{display:block;height:100%;background:var(--green);transition:width .2s}.solver{display:grid;grid-template-columns:minmax(0,1fr) 256px;gap:23px;align-items:start}.question-panel{background:#fff;border:1px solid var(--line);border-radius:12px;padding:27px;min-width:0}.question-top{display:flex;align-items:center;gap:10px;padding-bottom:20px;border-bottom:1px solid var(--line);margin-bottom:19px}.question-top strong{font-size:20px}.question-top small{color:var(--muted);font-size:12px}.question-top .bookmark{margin-left:auto}.icon-button{border:1px solid var(--line);background:white;min-height:36px;padding:6px 11px;border-radius:7px;font-size:12px;white-space:nowrap}.icon-button.on{background:#fbf3dd;color:#927020;border-color:#ead59d}.answers{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin:20px 0 17px}.answer{border:1px solid #d7e1d6;background:#fff;border-radius:8px;min-height:54px;font-weight:600;font-size:15px}.answer.selected{background:var(--green);color:#fff;border-color:var(--green)}.answer.is-correct{background:#e2f2e7;border:2px solid #35855b;color:#1e6845}.answer.is-wrong{background:#faeae7;border:2px solid #c2776f;color:#9c403a}.answer:disabled{opacity:1}.answer-feedback{border-radius:9px;padding:18px;margin-bottom:17px;background:#eaf5eb;color:#2b6243;font-size:13px}.answer-feedback.wrong{background:#fff1ed;color:#994b3d}.answer-feedback strong{display:block;font-size:15px;margin-bottom:5px}.answer-feedback small{display:block;margin-top:7px;color:#777;font-size:11px}.question-actions{display:flex;justify-content:space-between;gap:10px;margin-top:20px;padding-top:20px;border-top:1px solid var(--line)}.question-actions .middle-actions{display:flex;gap:8px}.notes{margin-top:22px}.notes summary{cursor:pointer;font-size:12px;color:var(--muted)}.notes textarea{display:block;margin-top:12px;width:100%;min-height:90px;border:1px solid var(--line);border-radius:7px;padding:12px;resize:vertical;font-size:13px}.navigator{position:sticky;top:18px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px}.navigator h2{font-size:15px}.nav-stats{display:flex;justify-content:space-between;font-size:11px;color:var(--muted);margin:13px 0}.question-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:6px;max-height:360px;overflow:auto;padding:3px}.question-grid button{position:relative;background:#fff;border:1px solid #dde4db;border-radius:5px;aspect-ratio:1;color:#8b958e;font-size:11px}.question-grid button.answered{background:#e6f1e5;border-color:#cfe1cf;color:#366245}.question-grid button.current{outline:2px solid var(--green);outline-offset:0;color:var(--green);font-weight:800}.question-grid button.flagged:after{content:'';position:absolute;top:2px;right:2px;width:5px;height:5px;background:var(--gold);border-radius:50%}.nav-legend{display:flex;flex-wrap:wrap;gap:10px;margin:15px 0;font-size:10px;color:var(--muted)}.nav-legend i{display:inline-block;width:8px;height:8px;border-radius:2px;background:#e6f1e5;margin-right:3px;border:1px solid #b6ceae}.nav-legend i.flag{background:var(--gold);border:0}.navigator .button{width:100%;margin-top:9px}.keyboard-tip{font-size:10px;color:#919b93;margin-top:18px;text-align:center}.result-hero{background:var(--deep);color:#fff;padding:35px;border-radius:15px;display:flex;align-items:center;gap:35px;margin-bottom:25px}.score-circle{flex-shrink:0;width:136px;height:136px;background:conic-gradient(var(--gold) var(--progress),#ffffff20 0);border-radius:50%;display:grid;place-items:center}.score-circle>div{background:var(--deep);width:116px;height:116px;border-radius:50%;display:flex;flex-direction:column;align-items:center;justify-content:center}.score-circle strong{font-size:36px;line-height:1.2}.score-circle small{font-size:11px;color:#c4d6cb}.result-hero h1{font-size:27px;margin-bottom:10px}.result-hero p{font-size:13px;color:#c6d6cc}.result-facts{display:flex;gap:25px;margin-top:20px}.result-facts strong{font-size:20px}.result-facts span{font-size:11px;color:#c6d6cc;margin-left:5px}.result-subjects{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:12px}.subject-score{background:#fff;border:1px solid var(--line);border-radius:10px;padding:20px}.subject-score h3{font-size:13px;margin-bottom:9px}.subject-score strong{font-size:24px}.subject-score small{font-size:11px;color:var(--muted)}.score-bar{background:#edf1e8;height:5px;border-radius:5px;margin:14px 0}.score-bar span{display:block;height:100%;background:var(--green);border-radius:5px}.result-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:8px;margin-top:20px}.result-list button{background:#fff;border:1px solid var(--line);border-radius:7px;padding:12px;text-align:left;font-size:12px;display:flex;justify-content:space-between;gap:8px}.status-correct{color:#26704d}.status-wrong{color:var(--red)}.content-page{max-width:850px;margin:auto}.content-page section{margin:28px 0;background:#fff;border:1px solid var(--line);padding:28px;border-radius:12px}.content-page h2{font-size:20px;margin-bottom:15px}.content-page p,.content-page li{font-size:14px;line-height:1.95;color:#5c6e64}.content-page ul,.content-page ol{padding-left:23px}.content-page a{color:var(--green);text-decoration:underline;text-underline-offset:3px}.source-table{width:100%;border-collapse:collapse;font-size:13px}.source-table td,.source-table th{text-align:left;padding:13px 10px;border-bottom:1px solid var(--line);vertical-align:top}.source-table a{display:block;margin-bottom:5px}.source-table th{font-size:11px;color:var(--muted)}.site-footer{max-width:1140px;margin:0 auto;padding:30px 0;border-top:1px solid var(--line);display:flex;align-items:flex-start;gap:30px;flex-wrap:wrap}.site-footer strong{font-size:20px;letter-spacing:-.8px}.site-footer strong span{color:var(--green)}.site-footer p{font-size:11px;color:var(--muted);margin-top:5px}.footer-links{margin-left:auto;display:flex;gap:23px;font-size:11px;color:var(--muted);padding-top:9px}.site-footer>small{width:100%;font-size:10px;color:#93a092}.toast{position:fixed;bottom:28px;left:50%;transform:translate(-50%,20px);background:var(--deep);color:#fff;padding:11px 22px;border-radius:9px;box-shadow:var(--shadow);font-size:13px;z-index:50;opacity:0;pointer-events:none;transition:.2s;max-width:90vw;text-align:center}.toast.visible{opacity:1;transform:translate(-50%,0)}dialog{padding:30px;border:1px solid var(--line);border-radius:15px;max-width:440px;width:calc(100% - 40px);color:var(--ink);box-shadow:0 20px 70px #001c3033}dialog::backdrop{background:#11251b70}dialog h2{font-size:21px;margin-bottom:15px}dialog p{font-size:13px;color:var(--muted);margin-bottom:20px}.dialog-actions{display:flex;gap:10px;justify-content:flex-end}.loading{padding:100px;text-align:center;color:var(--muted);font-size:14px}.spinner{width:28px;height:28px;border:3px solid var(--line);border-top-color:var(--green);border-radius:50%;display:inline-block;animation:spin 1s linear infinite;margin-bottom:12px}@keyframes spin{to{transform:rotate(360deg)}}[hidden]{display:none!important}
@media(min-width:1400px){.site-header{padding:0 calc((100vw - 1200px)/2)}}
@media(max-width:1000px){.site-header{gap:20px;padding:0 25px}.site-header nav{gap:20px}.parent-link{display:none}.hero{padding:35px}.hero h1{font-size:38px}.hero-art svg{max-width:300px}.workspace{grid-template-columns:1fr 255px}.solver{grid-template-columns:minmax(0,1fr) 220px}.navigator{padding:15px}.site-footer{margin:0 30px}.footer-links{gap:15px}}
@media(max-width:760px){.site-header{height:auto;padding:18px 20px 0;flex-wrap:wrap;gap:12px}.brand{font-size:15px}.brand-mark{width:37px;height:37px;font-size:28px}.brand small{font-size:10px}.site-header nav{order:3;width:100%;height:43px;justify-content:space-between;gap:0;font-size:12px;margin:0}.parent-link{display:block;margin-left:auto;font-size:10px}main{padding:24px 18px 45px}.breadcrumb{font-size:10px;margin-bottom:18px}.hero{padding:30px 25px;grid-template-columns:1fr;min-height:0}.hero h1{font-size:34px}.hero p{font-size:12px}.hero .eyebrow{font-size:9px}.hero-art{display:none}.hero-buttons .button{padding:11px 14px;font-size:12px}.hero-note{font-size:10px!important}.metric-strip{padding:20px 0;grid-template-columns:repeat(4,1fr);margin-bottom:12px}.metric{padding:0 10px}.metric strong{font-size:22px}.metric small{font-size:10px}.metric strong span{font-size:10px;margin-left:2px}.section-head{margin-top:25px}.section-head h2{font-size:21px}.section-head p{font-size:11px}.tabs button{padding:7px 13px;font-size:12px}.exam-cards{gap:12px}.exam-card{padding:20px 17px}.exam-card h3{font-size:19px}.card-top{gap:8px}.year-label{font-size:10px}.exam-card .card-bottom{align-items:start;gap:10px;flex-direction:column;margin-top:17px;padding-top:14px}.home-bottom{grid-template-columns:1fr;margin-top:24px}.home-bottom .section-head{margin-top:0}.study-tip{padding:25px}.study-tip .line-art{display:none}.workspace,.solver{grid-template-columns:1fr}.workspace>aside{order:2}.panel{padding:22px}.page-title h1{font-size:29px}.page-title p{font-size:12px}.start-summary{align-items:start;flex-direction:column}.start-summary .button{width:100%}.resume-banner{padding:16px;gap:10px}.resume-banner p{font-size:12px}.resume-banner small{font-size:10px}.resume-banner .button{font-size:11px;padding:9px}.site-footer{margin:0 18px;gap:20px}.footer-links{width:100%;margin:0;gap:16px;flex-wrap:wrap}.footer-links a{font-size:10px}.site-footer>small{font-size:9px}.session-heading{gap:10px}.session-heading h1{font-size:19px}.session-heading p{font-size:10px}.timer strong{font-size:23px}.timer small{font-size:9px}.question-panel{padding:19px 15px}.question-top{gap:8px}.question-top strong{font-size:18px}.question-top .pill{font-size:9px;padding:4px 6px}.question-top small{font-size:10px}.icon-button{font-size:10px;padding:6px 8px}.answers{gap:7px}.answer{min-height:48px;font-size:13px}.question-actions{flex-wrap:wrap;gap:8px}.question-actions .button{padding:10px 12px;font-size:12px}.question-actions .middle-actions{gap:6px}.navigator{position:static;padding:20px}.question-grid{grid-template-columns:repeat(10,1fr);max-height:240px}.question-grid button{font-size:10px}.keyboard-tip{display:none}.result-hero{padding:25px 20px;gap:20px}.score-circle{width:100px;height:100px}.score-circle>div{width:84px;height:84px}.score-circle strong{font-size:28px}.result-hero h1{font-size:21px}.result-hero p{font-size:11px}.result-facts{gap:13px;margin-top:12px}.result-facts strong{font-size:16px}.result-facts span{font-size:9px;margin-left:3px}.result-subjects{grid-template-columns:repeat(2,1fr)}.review-item{padding:17px 15px;gap:10px}.review-item h3{font-size:13px}.review-item p{font-size:11px}.review-item .button{font-size:11px;padding:8px 10px}.history-card{padding:20px 15px;gap:15px;flex-wrap:wrap}.history-info h3{font-size:13px}.history-score{width:50px;font-size:24px}.history-card .button{margin-left:auto}.content-page section{padding:22px}.source-table{font-size:11px}.source-table td,.source-table th{padding:10px 5px}.loading{padding:80px 20px}.count{font-size:11px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{transition:none!important;animation:none!important;scroll-behavior:auto!important}}
.resume-banner .button{color:var(--green)}
.tabs{flex-shrink:0}.tabs button{white-space:nowrap}
@media(max-width:760px){.section-head{flex-wrap:wrap}.section-head h2{word-break:keep-all}.section-head .tabs{margin-left:auto}}

.brand-mark{display:block;flex:none;padding:0;object-fit:contain;background:none;border-radius:0}
.footer-brand{display:flex;align-items:center;gap:12px}
.footer-brand img{flex:none}
.round-section{scroll-margin-top:24px;margin:34px 0 0}
.round-section .section-head{margin-top:0}
.round-section + .metric-strip{margin-top:18px}
.round-card h3{font-size:24px;margin-bottom:17px}
.round-papers{display:grid;gap:8px}
.round-paper{display:flex;justify-content:space-between;align-items:center;gap:12px;min-height:48px;padding:10px 14px;background:#f3f7f0;border:1px solid #e1eadf;border-radius:8px;color:var(--deep);transition:background .15s,border-color .15s}
.round-paper:hover{background:#e6f0e3;border-color:#b8cdbf}
.round-paper strong{font-size:14px}
.round-paper small{font-size:12px;color:#52685d;white-space:nowrap}
.realtor-banner{width:100%;margin:0;background:#eaf1e6}
.realtor-banner img{display:block;width:100%;height:auto;min-height:245px;object-fit:cover;object-position:54% center}
@media(max-width:560px){.round-section .exam-cards{grid-template-columns:1fr}.round-card h3{font-size:22px}.round-paper{min-height:46px}}

.rail-ad{display:none}
.in-content-ad{margin:34px 0 27px;text-align:center}
.ad-placement:has(.adsbygoogle[data-ad-status="unfilled"]),.ads-unavailable .ad-placement,.ad-request-failed{display:none!important}
[hidden]{display:none!important}
.hero-buttons{flex-wrap:wrap}
.article-toc{background:#fff;border:1px solid var(--line);border-radius:12px;padding:15px;margin:0 auto 18px;max-width:850px}
.article-toc strong{display:block;margin-bottom:6px;font-size:13px}
.article-toc ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:4px 8px}
.article-toc a{display:block;padding:5px 8px;border-radius:6px;font-size:13px;line-height:1.45}
.article-toc a:hover,.article-toc a:focus-visible{background:#eef4eb}
.content-page h2[id]{scroll-margin-top:24px}
@media(min-width:761px){
  .solver{grid-template-columns:256px minmax(0,1fr)}
  .solver>.navigator{grid-column:1;grid-row:1}
  .solver>.question-panel{grid-column:2;grid-row:1;min-width:0}
}
@media(min-width:761px) and (max-width:1000px){.solver{grid-template-columns:220px minmax(0,1fr)}}
@media(min-width:1100px){
  .with-article-toc{display:grid;grid-template-columns:144px minmax(0,850px);gap:20px;max-width:1014px;margin-inline:auto;align-items:start}
  .with-article-toc .content-page{width:100%;min-width:0}
  .article-toc{position:sticky;top:24px;margin:46px 0 0}
  .article-toc ul{display:block}
}
@media (min-width:820px) and (hover:hover) and (pointer:fine){
  .page-shell.is-home{display:grid;grid-template-columns:155px minmax(0,1fr) 300px;gap:24px;max-width:1720px;margin-inline:auto;padding-inline:24px;align-items:start}
  .page-shell.is-home main{grid-column:2;grid-row:1;width:100%;min-width:0;padding-inline:0}
  .rail-ad{display:block;grid-column:3;grid-row:1;position:sticky;top:24px;margin-top:38px;text-align:center}
  .page-shell.is-solving{display:grid;grid-template-columns:minmax(0,1fr);grid-auto-columns:auto;gap:24px;max-width:1720px;margin-inline:auto;padding-inline:24px;align-items:start}
  .page-shell.is-solving main{grid-column:1;grid-row:1;width:100%;min-width:0;padding-inline:0}
  .page-shell.is-solving .rail-ad{grid-column:2}
  .is-home .hero{grid-template-columns:1.45fr 1fr;padding:32px 29px;min-height:305px}
  .is-home .hero h1{font-size:clamp(32px,3vw,46px)}
  .is-home .hero-art svg{width:100%}
  .is-home .hero-art .art-badge{font-size:9px;left:5%;white-space:nowrap}
  .is-home .round-card{padding:19px}
  .is-home .home-bottom{grid-template-columns:1.4fr 1fr}
}
@media (min-width:820px) and (max-width:1199px) and (hover:hover) and (pointer:fine){
  .page-shell.is-home{grid-template-columns:125px minmax(0,1fr) 160px;gap:16px;padding-inline:16px}
  .page-shell.is-solving{gap:16px;padding-inline:16px}
  .is-home .hero{grid-template-columns:1fr;min-height:0;padding:28px 24px}
  .is-home .hero-art{display:none}
  .is-home .round-card{padding:15px}
  .is-home .round-card h3{font-size:20px}
  .is-home .round-paper{padding-inline:9px;gap:6px}
  .is-home .round-paper strong,.is-home .round-paper small{font-size:12px}
  .is-home .home-bottom{grid-template-columns:1fr}
}
@media (max-height:300px){.rail-ad{position:static}}

.site-footer{display:block;max-width:none;margin:0;padding:0;background:#173a30;color:#f3f7f0;border:0}
.footer-inner{max-width:1200px;margin:auto;padding:42px 30px 22px;display:grid;grid-template-columns:2fr 1fr 1fr;gap:26px 36px}
.footer-brand{width:fit-content;color:inherit}
.site-footer .footer-brand strong{font-size:17px}
.site-footer p{font-size:13px;color:#c4d7cb;margin-top:5px}
.footer-intro>p{margin-top:15px}
.footer-menu{display:grid;align-content:start;gap:7px}
.footer-menu h2{margin:0 0 5px;font-size:13px;font-weight:800;color:#f3f7f0}
.footer-menu a,.footer-bottom a{width:fit-content;font-size:13px;color:#c4d7cb}
.site-footer a:hover{color:white;text-decoration:underline;text-underline-offset:3px}
.footer-bottom{grid-column:1/-1;border-top:1px solid #416356;padding-top:16px;display:flex;justify-content:space-between;gap:10px;color:#c4d7cb}
.footer-bottom small{font-size:12px}
@media(max-width:760px){.footer-inner{padding:28px 18px 18px;grid-template-columns:1fr 1fr;gap:20px}.footer-intro{grid-column:1/-1}}

.question-panel,.solver>.navigator{min-width:0}
.question-body{font-size:clamp(16px,1.35vw,19px);line-height:1.7;word-break:keep-all;overflow-wrap:anywhere}
.question-stem{margin:0 0 14px;font-weight:700;white-space:pre-line}
.question-reference{margin:14px 0;padding:15px 17px;background:#f4f7f1;border:1px solid #cbdacf;border-radius:9px;white-space:pre-line;font-size:20px}
.reference-label{display:block;margin-bottom:6px;color:#2c5b48;font-size:14px;font-weight:800}
.question-table-wrap{margin-top:8px;max-width:100%;overflow:auto}
.question-table{border-collapse:collapse;width:max-content;min-width:100%;font-size:inherit;white-space:normal}
.question-table th,.question-table td{padding:8px;border:1px solid #cbdacf;text-align:left;vertical-align:top;white-space:pre-line}
.question-table th{background:#e7efe6}
.question-table-note{margin:10px 0 0;font-size:inherit;white-space:pre-line}
.answers.text-choices{display:grid;grid-template-columns:1fr;gap:9px;margin:18px 0 12px}
.answer.text-choice{display:flex;align-items:baseline;gap:11px;width:100%;min-height:48px;padding:12px 14px;border:1px solid #d1dbd2;border-radius:8px;text-align:left;line-height:1.55;white-space:pre-line;user-select:text}
.choice-number{flex:none;font-weight:800}
.text-choice.selected{border-color:#297657;background:#e7f3e9;color:#164934}
.text-choice.is-correct{border-color:#398463;background:#e5f4e9;color:#164934}
.text-choice.is-wrong{border-color:#b87669;background:#fff0ec;color:#8b372c}
@media(max-width:760px){
  .solver{grid-template-columns:minmax(0,1fr)}
  .question-grid{grid-template-columns:repeat(10,minmax(0,1fr))}
  .question-grid button{padding-inline:2px}
  .question-reference{padding:12px 13px;font-size:18px}
  .answer.text-choice{padding:11px 12px}
}