:root{color-scheme:light;--ink:#172033;--muted:#5e7186;--blue:#0b63ce;--deep:#12324a;--green:#168047;--orange:#f97316;--red:#dc2626;--line:#d7e5f0;--paper:#fffaf0;--radius:8px;font-family:"Microsoft YaHei","PingFang SC","Noto Sans CJK SC",Arial,sans-serif}
*{box-sizing:border-box}body{margin:0;background:linear-gradient(180deg,#eef9ff 0,#fff7db 48%,#f5fff1 100%);color:var(--ink);letter-spacing:0}.app{width:min(1180px,100%);margin:auto;padding:14px 14px 76px}.hero{border:1px solid #cfe3f7;border-radius:var(--radius);background:linear-gradient(135deg,#fff 0,#e7f7ff 42%,#fff0bd 100%);box-shadow:0 16px 42px rgba(20,44,70,.13);padding:clamp(18px,4vw,34px);display:grid;grid-template-columns:1fr minmax(300px,.76fr);gap:16px}.eyebrow{display:inline-flex;background:#fff2bd;border:1px solid #f5c542;border-radius:999px;padding:7px 10px;color:#854d0e;font-weight:900;font-size:13px}h1{font-size:clamp(31px,6vw,58px);line-height:1.04;margin:14px 0 10px;color:#0f3b57}.lead{font-size:clamp(16px,2.2vw,20px);line-height:1.7;color:#344256;margin:0}.stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:16px}.stat{background:rgba(255,255,255,.92);border:1px solid #d7e6f4;border-radius:var(--radius);padding:12px}.stat b{display:block;font-size:28px;color:var(--blue)}.stat span{font-weight:800;color:var(--muted);font-size:13px}.posterHero{position:relative;min-height:260px;border:2px solid #bde4ff;border-radius:var(--radius);background:linear-gradient(180deg,#dff6ff,#fff8d6 60%,#def7df);overflow:hidden}.posterHero:before{content:"";position:absolute;left:24px;right:24px;top:28px;height:112px;background:#fff;border:3px solid #0f3b57;border-radius:var(--radius);box-shadow:8px 8px 0 rgba(15,59,87,.12)}.posterHero b{position:absolute;left:44px;right:38px;top:50px;font-size:22px;line-height:1.25;color:#0f3b57}.avatar{position:absolute;bottom:22px;width:76px;height:120px}.avatar.left{left:38px}.avatar.right{right:38px}.avatar:before{content:"";position:absolute;left:18px;top:0;width:40px;height:40px;border-radius:50%;background:#ffd8ad;border:3px solid #111}.avatar:after{content:"";position:absolute;left:6px;top:48px;width:64px;height:70px;border-radius:24px 24px 8px 8px;background:#2563eb;border:3px solid #111}.avatar.right:after{background:#f97316}.speech{position:absolute;left:26%;right:13%;bottom:42px;background:#fff;border:3px solid #111;border-radius:var(--radius);padding:10px;font-weight:900;line-height:1.45}.controls{margin-top:12px;background:rgba(255,255,255,.94);border:1px solid var(--line);border-radius:var(--radius);padding:12px;display:grid;grid-template-columns:1fr 160px;gap:10px;position:sticky;top:0;z-index:8;backdrop-filter:blur(12px)}input,select{min-height:44px;border:1px solid #c6d7e7;border-radius:var(--radius);padding:0 12px;background:#fff;color:var(--ink);font:inherit}.tabs{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px;margin:12px 0}.tab,button{border:0;border-radius:var(--radius);font:inherit;font-weight:900;cursor:pointer}.tab{min-height:48px;background:#fff;border:1px solid #bdd7f0;color:#0f3b57}.tab.active{background:#0f3b57;color:#fff}.view{display:none}.view.active{display:block}.sectionTitle{display:flex;justify-content:space-between;gap:12px;align-items:end;margin:22px 0 12px}.sectionTitle h2{margin:0;font-size:clamp(25px,4vw,38px);color:#102a43}.sectionTitle p{margin:0;color:var(--muted);font-weight:800}.layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(330px,.78fr);gap:12px;align-items:start}.main,.side,.card{background:#fff;border:1px solid #d7e5f0;border-radius:var(--radius);box-shadow:0 10px 30px rgba(15,23,42,.08)}.main{padding:14px}.side{position:sticky;top:82px;overflow:hidden}.meta{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:10px}.pill{display:inline-flex;align-items:center;min-height:28px;border-radius:999px;background:#eef6ff;border:1px solid #cce4f6;color:#0f4f6d;padding:0 9px;font-weight:900;font-size:12px}.lessonTitle{font-size:clamp(23px,4vw,34px);line-height:1.18;margin:0 0 8px;color:#0f172a}.lessonSubtitle{font-weight:800;color:#536173;margin:0 0 12px;line-height:1.5}.panel{border:1px solid #dbe7f2;border-radius:var(--radius);padding:12px;background:#fbfdff}.panel h3{margin:0 0 8px;color:#0f3b57}.panel p{white-space:pre-wrap;margin:0;line-height:1.72}.posterHead{padding:14px;background:linear-gradient(90deg,#dff6ff,#fff);border-bottom:1px solid #d7e5f0;display:flex;justify-content:space-between;gap:10px}.sceneArt{position:relative;min-height:276px;background:linear-gradient(180deg,#fff 0 54%,#e6f7de 54%);overflow:hidden}.sceneBoard{position:absolute;left:18px;right:18px;top:20px;min-height:104px;border:2px solid #8bd3f7;border-radius:var(--radius);background:#f8fdff;padding:12px;font-size:18px;font-weight:900;line-height:1.45}.assetBox{position:absolute;left:50%;bottom:34px;transform:translateX(-50%);width:56%;min-height:92px;background:#fff;border:3px solid #111;border-radius:var(--radius);padding:10px;text-align:center;font-weight:800}.sceneGrid,.qSceneGrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;padding:12px;background:#f8fafc}.sceneTile,.qSceneTile{background:#fff;border:1px solid #dbe7f2;border-radius:var(--radius);padding:9px;line-height:1.45}.sceneTile b,.qSceneTile b{display:block;color:var(--blue);margin-bottom:4px}.assetImg{width:100%;display:block;border-top:1px solid #d7e5f0;background:#fff;max-height:360px;object-fit:contain;cursor:zoom-in}.toolbar{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}.primary,.ghost,.small{min-height:40px;padding:0 12px}.primary{background:#0f3b57;color:#fff}.ghost,.small{background:#fff;color:#0f3b57;border:1px solid #bdd7f0}.small{min-height:32px;font-size:13px}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.card{padding:14px}.termCard{border-left:7px solid #16a34a}.termCard strong{font-size:19px;color:#0f3b57}.termCard p{margin:8px 0;color:#344256;line-height:1.65}.videoCard{min-height:180px}.questionList{display:grid;gap:10px}.qCard{border-left:7px solid #0ea5e9}.practiceCard{border-left:7px solid #f97316}.bookCard{border-left:7px solid #16a34a}.qCard h3{font-size:17px;line-height:1.45}.qScene{background:linear-gradient(135deg,#e8f7ff,#fff7d6);border:1px solid #bfe0f4;border-radius:var(--radius);padding:10px;margin:8px 0;display:grid;gap:7px}.qScene b{color:#0f3b57}.options{display:grid;gap:8px}.opt{width:100%;text-align:left;background:#fff;border:2px solid #d6e4f0;border-radius:var(--radius);padding:10px;line-height:1.45}.opt.correct{border-color:#16a34a;background:#ecfdf3}.opt.wrong{border-color:#e11d48;background:#fff1f2}.answerBox{display:none;margin-top:10px;border:1px solid #dbe7f2;background:#f8fcff;border-radius:var(--radius);padding:10px;line-height:1.65}.answerBox.show{display:block}.shot{display:none;margin-top:10px}.shot.show{display:block}.shot img{width:100%;border:1px solid #dbe7f2;border-radius:var(--radius);background:#fff;cursor:zoom-in}.empty{background:#fff;border:1px dashed #bfd2e2;border-radius:var(--radius);padding:24px;text-align:center;color:#64748b;font-weight:900}.footer{font-size:12px;color:#64748b;margin-top:18px;line-height:1.6}.chapterGrid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.chapterCard{display:block;text-decoration:none;color:var(--ink);border-left:7px solid #0ea5e9}.chapterCard h3{margin:8px 0;font-size:21px;color:#102a43}.studyPath{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin:10px 0 12px}.pathStep{border:1px solid #cfe0ee;background:#f8fcff;border-radius:var(--radius);padding:10px;line-height:1.45}.pathStep b{display:block;color:#0f3b57;margin-bottom:4px}.deepGrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:12px 0}.conceptCard,.formulaCard{border:1px solid #d7e5f0;border-radius:var(--radius);padding:12px;background:#fff}.conceptCard{border-left:7px solid #0ea5e9}.formulaCard{border-left:7px solid #f97316;background:#fffaf3}.conceptCard h4,.formulaCard h4{margin:0 0 8px;font-size:17px;color:#102a43}.formula{display:block;background:#102a43;color:#fff;border-radius:var(--radius);padding:9px 10px;font-weight:900;margin:8px 0}.paragraphs{display:grid;gap:8px}.paragraphs p{border-left:4px solid #d7e5f0;background:#fff;border-radius:0 var(--radius) var(--radius) 0;padding:8px 10px;line-height:1.65}.paragraphs b{color:#0f3b57}.readPanel{background:#fffdf7}.qExplain{border:1px solid #dbe7f2;background:#fffdf5;border-radius:var(--radius);padding:10px;margin-top:10px;line-height:1.65}.imageHint{display:block;text-align:center;color:#0f4f6d;font-weight:900;padding:9px;background:#f8fcff;border-top:1px solid #d7e5f0}.lightbox{position:fixed;inset:0;background:rgba(5,14,25,.84);z-index:40;display:none;place-items:center;padding:14px}.lightbox.show{display:grid}.lightboxInner{width:min(1100px,96vw);max-height:94vh;background:#fff;border-radius:var(--radius);padding:10px;box-shadow:0 30px 80px rgba(0,0,0,.35)}.lightboxTop{display:flex;justify-content:space-between;gap:10px;align-items:center;margin-bottom:8px}.lightboxTitle{font-weight:900;color:#102a43}.lightbox img{width:100%;max-height:82vh;object-fit:contain;background:#fff;border:1px solid #d7e5f0;border-radius:var(--radius)}.segmentStack{display:grid;gap:14px}.segmentCard{border:1px solid #cfe0ee;border-radius:var(--radius);background:#fff;overflow:hidden}.segmentHead{display:flex;justify-content:space-between;gap:10px;align-items:center;padding:10px 12px;background:linear-gradient(90deg,#e7f7ff,#fff7d6);border-bottom:1px solid #d7e5f0}.segmentHead b{color:#0f3b57}.segmentBody{display:grid;gap:10px;padding:12px}.miniGrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.miniPanel{border:1px solid #dbe7f2;background:#fbfdff;border-radius:var(--radius);padding:10px}.miniPanel h4{margin:0 0 8px;color:#0f3b57}.miniPanel p{margin:0;line-height:1.68;white-space:pre-wrap}.sentenceList{display:grid;gap:7px}.sentenceRow{border-left:4px solid #f59e0b;background:#fffaf0;border-radius:0 var(--radius) var(--radius) 0;padding:8px 10px;line-height:1.55}.segmentTakeaway{border:1px solid #c8ead5;background:#f0fdf4;border-radius:var(--radius);padding:10px;line-height:1.6}.fullRead{margin-top:12px;border:1px solid #d7e5f0;border-radius:var(--radius);background:#fff}.fullRead summary{padding:12px;font-weight:900;color:#0f3b57;cursor:pointer}.fullReadInner{display:grid;gap:10px;padding:0 12px 12px}
.segmentStack{gap:22px}.segmentBody{gap:14px;padding:14px}.segmentCard{border-color:#bfd2e2;box-shadow:0 12px 28px rgba(15,23,42,.07)}.segmentHead{min-height:50px}.storyRead.handcrafted{border-left-color:#9f1239;background:linear-gradient(180deg,#fff 0,#fff7f2 100%);padding:15px;box-shadow:0 12px 28px rgba(127,29,29,.08)}.storyRead.handcrafted .storyReadHead b{font-size:20px}.storyRead.handcrafted .storyReadHead span{color:#7f1d1d}.storyRead.handcrafted .storyReadHead strong{background:#7f1d1d;color:#fff;border-color:#7f1d1d}.storyRead.handcrafted .storyOpening{font-size:16px;line-height:1.78!important;color:#1f2937!important}.storyRead.handcrafted .storyBeatGrid div{background:#fff;border-color:#ead4c4}.storyRead.handcrafted .storySurvival{background:#fff7ed;border:1px solid #fed7aa;border-radius:var(--radius);padding:9px 10px}.segmentPractice{border-top:1px solid #edf2f7;padding-top:4px}.segmentSource,.segmentMore{border:1px solid #d8e0ea;background:#fbfdff;border-radius:var(--radius);overflow:hidden}.segmentSource summary,.segmentMore summary{min-height:44px;display:flex;align-items:center;padding:0 12px;color:#0f3b57;font-weight:900;cursor:pointer;list-style:none}.segmentSource summary::-webkit-details-marker,.segmentMore summary::-webkit-details-marker{display:none}.segmentSource summary:after,.segmentMore summary:after{content:"展开";margin-left:auto;color:#64748b;font-size:12px}.segmentSource[open] summary:after,.segmentMore[open] summary:after{content:"收起"}.segmentSource .miniGrid{padding:0 10px 10px}.segmentMore>*:not(summary){margin:10px}.segmentMore .small{margin:0 10px 10px}
@media(max-width:980px){.hero,.layout{grid-template-columns:1fr}.side{position:static}.stats{grid-template-columns:repeat(2,minmax(0,1fr))}.chapterGrid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:700px){.app{padding:10px 10px 70px}h1{font-size:36px}.hero{padding:14px}.sectionTitle{display:block}.sectionTitle h2{font-size:30px;line-height:1.15}.sectionTitle p{margin-top:6px}.stats,.controls,.grid,.sceneGrid,.qSceneGrid,.chapterGrid,.studyPath,.deepGrid,.miniGrid{grid-template-columns:1fr}.controls{position:static}.tabs{grid-template-columns:repeat(2,minmax(0,1fr))}.posterHero{display:none}.speech{left:18%;right:8%;font-size:14px}.avatar{transform:scale(.78);transform-origin:bottom}.avatar.right{transform:scale(.72)}body[data-page="chapter"] .hero{gap:8px}body[data-page="chapter"] h1{font-size:31px;line-height:1.08;margin:10px 0 6px}body[data-page="chapter"] .lead{font-size:15px;line-height:1.45}body[data-page="chapter"] .stats{grid-template-columns:repeat(3,minmax(0,1fr));gap:6px}body[data-page="chapter"] .stat{padding:8px}body[data-page="chapter"] .stat b{font-size:22px}body[data-page="chapter"] .stat span{font-size:11px}.lightbox{padding:6px}.lightboxInner{width:100%;max-height:96vh}.lightbox img{max-height:84vh}}
.explainSteps{margin:8px 0 0;padding:0;counter-reset:step;display:grid;gap:8px}.explainSteps li{list-style:none;position:relative;border:1px solid #dbe7f2;background:#fff;border-radius:var(--radius);padding:9px 10px 9px 42px;line-height:1.62}.explainSteps li:before{counter-increment:step;content:counter(step);position:absolute;left:10px;top:10px;width:23px;height:23px;border-radius:50%;background:#0b63ce;color:#fff;font-weight:900;display:grid;place-items:center;font-size:13px}.teachBox{border:2px solid #f5c542;background:#fffdf0;border-radius:var(--radius);padding:11px}.teachBox h4{margin:0 0 8px;color:#854d0e}.termLine{display:grid;gap:7px}.termLine div{border-left:5px solid #0ea5e9;background:#f8fcff;border-radius:0 var(--radius) var(--radius) 0;padding:8px 10px;line-height:1.6}.termLine b{color:#102a43}
/* Exam Picker */
.examPicker{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px;padding:8px 0}
.examBtn{cursor:pointer;text-align:left;border:none;background:var(--card);border-radius:12px;padding:16px;transition:transform .15s,box-shadow .15s}
.examBtn:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(0,0,0,.12)}
.examBtn h3{margin:0 0 8px;font-size:1rem;color:var(--text)}
.examBtn .pill{font-size:.8rem}

/* Clear course structure and richer teaching flow */
.courseMap,.sourceBridge{border:1px solid #bdd7f0;background:linear-gradient(135deg,#ffffff,#eef8ff 58%,#fff6d6);border-radius:var(--radius);padding:12px;margin:12px 0;box-shadow:0 8px 22px rgba(15,59,87,.08)}
.courseMapHead{display:flex;justify-content:space-between;gap:10px;align-items:center;margin-bottom:10px}
.courseMapHead b,.sourceBridge h3{color:#0f3b57;font-size:20px;margin:0}
.courseMapHead span{font-weight:900;color:#854d0e;background:#fff2bd;border:1px solid #f5c542;border-radius:999px;padding:5px 9px;font-size:12px}
.courseMapGrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}
.courseMapGrid div,.sourceStats span{background:#fff;border:1px solid #d7e5f0;border-radius:var(--radius);padding:10px;line-height:1.55}
.courseMapGrid strong{display:block;color:#0b63ce;margin-bottom:5px}
.courseMapGrid p,.sourceBridge p{margin:0;line-height:1.68;color:#344256}
.sourceBridge{margin-bottom:12px;border-left:8px solid #0b63ce}
.sourceBridge p{margin-top:8px}
.sourceStats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin:10px 0}
.sourceStats span{font-weight:900;color:#0f3b57;text-align:center}
.sourceBridgeBtn,.sourceLink{display:inline-grid;place-items:center;text-decoration:none}
.sourceTrace{border:2px solid #0b63ce;background:linear-gradient(135deg,#f8fcff,#ffffff 48%,#fff7d6);border-radius:var(--radius);padding:12px;margin:12px 0;box-shadow:0 10px 28px rgba(11,99,206,.1)}
.sourceTraceHead{display:flex;justify-content:space-between;gap:12px;align-items:flex-start;margin-bottom:10px}
.sourceTraceHead b{display:block;color:#0f3b57;font-size:21px;margin-bottom:5px}
.sourceTraceHead p{margin:0;color:#344256;line-height:1.65;font-weight:800}
.sourceTraceHead span{white-space:nowrap;background:#0b63ce;color:#fff;border-radius:999px;padding:7px 10px;font-weight:900;font-size:12px}
.traceGrid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}
.traceGrid div{background:#fff;border:1px solid #d7e5f0;border-radius:var(--radius);padding:10px;line-height:1.55}
.traceGrid strong{display:block;color:#0b63ce;margin-bottom:5px}
.traceGrid p{margin:0;color:#344256}
.storyPosterTitle{font-weight:900;color:#0f3b57;background:#eef6ff;border-top:1px solid #d7e5f0;border-bottom:1px solid #d7e5f0;padding:9px 12px}
.storyPosterImg{max-height:520px;background:#f8fcff}
.segmentHead{background:linear-gradient(90deg,#dff6ff,#fff2bd)}
.segmentTakeaway{font-size:15px}
.teachBox{box-shadow:0 10px 24px rgba(245,158,11,.12)}
.highlightLegend{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px;margin:0 0 12px;padding:9px 10px;border:1px solid #d7e5f0;border-radius:var(--radius);background:#f8fcff;color:#344256;font-size:13px;font-weight:800}
.highlightLegendMarks{display:flex;flex-wrap:wrap;gap:8px}
.highlightLegend span{display:inline-flex;align-items:center;gap:5px}
.highlightMode{display:inline-grid;grid-template-columns:repeat(3,minmax(0,1fr));border:1px solid #bdd7f0;border-radius:var(--radius);overflow:hidden;background:#fff}
.highlightModeBtn{min-height:32px;border-radius:0;border-right:1px solid #bdd7f0;background:#fff;color:#0f3b57;padding:0 10px;font-size:12px;white-space:nowrap}
.highlightModeBtn:last-child{border-right:0}
.highlightModeBtn.active{background:#0f3b57;color:#fff}
.keyMark{font:inherit;font-weight:900;color:inherit;border-radius:5px;padding:0 3px;background:transparent;cursor:pointer}
.keyMark-red{color:#9f1239;text-decoration:underline;text-decoration-color:#ef4444;text-decoration-thickness:3px;text-underline-offset:3px}
.keyMark-box{background:#fff4b8;border:1px solid #f4c430;color:#713f12}
.keyMark-blue{background:#e0f2fe;border:1px solid #38bdf8;color:#075985}
.keyMark-focus{background:#f3e8ff;border:1px solid #c084fc;color:#6b21a8}
.cultivationPanel{border:2px solid #7c3aed;background:linear-gradient(135deg,#fbf7ff,#f8fcff 55%,#fff7d6);border-radius:var(--radius);padding:12px;margin:12px 0;box-shadow:0 12px 26px rgba(124,58,237,.12)}
.cultivationHead{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:10px}
.cultivationHead b{display:block;color:#4c1d95;font-size:20px}
.cultivationHead span{display:block;color:#536173;font-weight:800;line-height:1.45}
.cultivationHead strong{background:#4c1d95;color:#fff;border-radius:999px;padding:8px 12px;white-space:nowrap}
.resourceGrid,.attrGrid{display:grid;gap:7px}
.resourceGrid{grid-template-columns:repeat(3,minmax(0,1fr));margin-bottom:8px}
.attrGrid{grid-template-columns:repeat(6,minmax(0,1fr))}
.resourceGrid span,.attrGrid span{background:#fff;border:1px solid #d7e5f0;border-radius:var(--radius);padding:8px 9px;font-weight:900;color:#344256}
.resourceGrid b{color:#7c2d12}
.unitGuide{border:1px solid #cfe0ee;background:#fff;border-radius:var(--radius);padding:12px;margin:12px 0;box-shadow:0 8px 20px rgba(15,23,42,.06)}
.unitGuideHead{display:flex;justify-content:space-between;gap:10px;align-items:center;margin-bottom:10px}
.unitGuideHead b{font-size:20px;color:#0f3b57}
.unitGuideHead span{color:#536173;font-weight:900;line-height:1.5}
.unitGuideGrid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px}
.unitGuideGrid div{border:1px solid #d7e5f0;background:#f8fcff;border-radius:var(--radius);padding:10px;line-height:1.55}
.unitGuideGrid strong{display:block;color:#172033;margin-bottom:5px}
.unitGuideGrid p{margin:0;color:#344256;white-space:normal}
.practiceDivider{border:1px dashed #9ca3af;background:#f8fafc;border-radius:var(--radius);padding:11px 12px;margin:14px 0 10px;display:flex;justify-content:space-between;gap:12px;align-items:center}
.practiceDivider b{color:#172033;font-size:17px}
.practiceDivider span{color:#536173;font-weight:900;line-height:1.45}
.archivePanel{border:2px solid #172033;background:linear-gradient(135deg,#f8fafc,#ffffff 54%,#fff7d6);border-radius:var(--radius);padding:12px;margin:12px 0;box-shadow:0 12px 26px rgba(15,23,42,.1)}
.archiveHead{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:10px}
.archiveHead b{display:block;color:#172033;font-size:20px}
.archiveHead span{display:block;color:#344256;font-weight:800;line-height:1.55;margin-top:3px}
.archiveHead strong{background:#172033;color:#fff;border-radius:999px;padding:7px 11px;white-space:nowrap}
.archiveGrid{display:grid;grid-template-columns:1.25fr 1fr 1fr;gap:10px}
.archiveGrid article{background:#fff;border:1px solid #d7e5f0;border-radius:var(--radius);padding:10px;line-height:1.5}
.archiveGrid h4{margin:0 0 8px;color:#0f3b57;font-size:16px}
.archiveGrid p{margin:7px 0;white-space:normal;border-left:4px solid #cbd5e1;padding-left:8px}
.archiveGrid p b{display:block;color:#172033}
.archiveGrid p span{display:block;color:#536173;font-weight:800;margin-top:3px}
.fragmentShelf{display:flex;flex-wrap:wrap;gap:7px}
.fragmentShelf span{display:inline-flex;align-items:center;min-height:28px;border:1px solid #fde68a;background:#fef3c7;color:#78350f;border-radius:999px;padding:0 9px;font-weight:900;font-size:12px}
.outMission{margin-top:14px;border:2px solid #16a34a;border-radius:var(--radius);background:linear-gradient(135deg,#f0fdf4,#ffffff 62%,#eef6ff);overflow:hidden}
.outMissionHead{display:flex;justify-content:space-between;gap:10px;align-items:center;padding:12px;background:#dcfce7;border-bottom:1px solid #bbf7d0}
.outMissionHead b{display:block;color:#14532d;font-size:19px}
.outMissionHead span{display:block;color:#365b48;font-weight:800;margin-top:3px}
.outMissionHead strong{background:#14532d;color:#fff;border-radius:999px;padding:6px 10px;white-space:nowrap}
.missionCompact{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;padding:10px 12px}
.missionCompact span{border:1px solid #d8e0ea;background:#fff;border-radius:var(--radius);padding:8px;color:#334155;font-weight:900;text-align:center}
.missionCompact span.done{border-color:#16a34a;background:#ecfdf3;color:#166534}
.missionCompact b{color:#1d4ed8}
.missionAdvanced{border-top:1px solid #d8e0ea}
.missionAdvanced summary{padding:10px 12px;color:#253044;font-weight:900;cursor:pointer}
.missionGrid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;padding:12px}
.missionStep{background:#fff;border:1px solid #d7e5f0;border-radius:var(--radius);padding:10px;line-height:1.55}
.missionStep.done{border-color:#16a34a;box-shadow:inset 0 0 0 2px rgba(22,163,74,.12)}
.missionStep b{display:block;color:#0f3b57;font-size:16px;margin-bottom:5px}
.missionStep>span{display:inline-flex;background:#eef6ff;border:1px solid #cce4f6;border-radius:999px;padding:3px 8px;font-size:12px;font-weight:900;color:#0f4f6d;margin-bottom:6px}
.missionStep p{margin:6px 0;white-space:normal}
.missionOptions{display:grid;gap:7px;margin:8px 0}
.missionOpt{min-height:38px;text-align:left;border:1px solid #bdd7f0;background:#fff;color:#0f3b57;border-radius:var(--radius);padding:7px 9px;line-height:1.35}
.missionOpt.correct{border-color:#16a34a;background:#ecfdf3;color:#166534}
.missionOpt.wrong{border-color:#e11d48;background:#fff1f2;color:#9f1239}
.missionStep em{display:block;color:#536173;font-style:normal;font-weight:800;font-size:13px}
.missionExplain{width:100%;min-height:82px;border:1px solid #c6d7e7;border-radius:var(--radius);padding:9px 10px;background:#fff;color:var(--ink);font:inherit;line-height:1.55;resize:vertical;margin:8px 0}
.cultivationToast{position:fixed;z-index:60;max-width:min(360px,88vw);transform:translate(-50%,-100%);background:#102a43;color:#fff;border:1px solid rgba(255,255,255,.35);border-radius:var(--radius);box-shadow:0 18px 42px rgba(0,0,0,.24);padding:9px 11px;font-weight:900;line-height:1.45;pointer-events:none;animation:cultivationFloat 1.8s ease forwards}
.cultivationToast span{display:block;color:#dff6ff;font-weight:800;margin-top:3px}
@keyframes cultivationFloat{0%{opacity:0;transform:translate(-50%,-70%)}16%{opacity:1;transform:translate(-50%,-105%)}80%{opacity:1}100%{opacity:0;transform:translate(-50%,-145%)}}
.gameHub,.sectMap{border:2px solid #0f766e;background:linear-gradient(135deg,#ecfeff,#ffffff 58%,#fff7d6);border-radius:var(--radius);padding:12px;margin:12px 0;box-shadow:0 12px 28px rgba(15,118,110,.12)}
.gameHubHead,.sectMapHead{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:10px}
.gameHubHead b,.sectMapHead h2{display:block;color:#115e59;font-size:21px;margin:0 0 4px}
.gameHubHead span,.sectMapHead p{color:#344256;font-weight:800;line-height:1.6;margin:0}
.gameHubHead strong{background:#115e59;color:#fff;border-radius:999px;padding:7px 10px;white-space:nowrap}
.gameHubGrid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.gameModule{background:#fff;border:1px solid #cfe0ee;border-radius:var(--radius);padding:10px;line-height:1.52;min-height:150px}
.gameModule.done{border-color:#16a34a;box-shadow:inset 0 0 0 2px rgba(22,163,74,.12)}
.gameModule.locked{opacity:.72}
.gameModule.ready{border-color:#0f766e}
.gameModule h4{margin:0 0 7px;color:#0f3b57;font-size:17px}
.gameModule p{margin:0 0 8px;white-space:normal}
.moduleActions{display:flex;flex-wrap:wrap;gap:7px}
.corridorBar{height:10px;background:#e2e8f0;border-radius:999px;overflow:hidden;margin:8px 0}
.corridorBar i{display:block;height:100%;background:linear-gradient(90deg,#16a34a,#0ea5e9)}
.corridorEvent,.artifactEffect,.hpLine{border:1px dashed #b9d6e6;background:#f8fcff;border-radius:var(--radius);padding:7px 8px;font-weight:800;color:#26465f}
.artifactEffect b{display:block;color:#115e59}
.artifactEffect span{display:block;margin-top:3px}
.petActions{display:flex;flex-wrap:wrap;gap:7px;margin:8px 0}
.artifactGrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:7px;margin-bottom:8px}
.artifactCard,.cardChoice{border:1px solid #bdd7f0;background:#fff;color:#0f3b57;border-radius:var(--radius);padding:8px;text-align:left;line-height:1.35}
.artifactCard.ready{background:#f0fdf4;border-color:#16a34a}
.artifactCard.active{box-shadow:inset 0 0 0 2px rgba(15,118,110,.25);background:#ecfeff}
.artifactCard b{display:block}
.artifactCard span{font-size:12px;color:#536173}
.cardChoices{display:grid;gap:7px}
.cardChoice.correct{border-color:#16a34a;background:#ecfdf3;color:#166534}
.cardChoice.wrong{border-color:#e11d48;background:#fff1f2;color:#9f1239}
.bossArena{margin-top:9px;border-top:1px solid #cfe0ee;padding-top:9px}
.bossArenaHead{display:flex;justify-content:space-between;gap:8px;align-items:center;margin-bottom:8px}
.bossArenaHead b{color:#115e59}
.bossArenaHead span{font-size:12px;font-weight:900;color:#536173}
.bossQuestion{border:1px solid #d7e5ef;border-radius:var(--radius);padding:8px;margin:8px 0;background:#fbfdff}
.bossQuestion.done{border-color:#16a34a;background:#f0fdf4}
.bossQuestion.miss{border-color:#e11d48;background:#fff7f8}
.bossQuestion>b{display:block;color:#0f3b57;margin-bottom:5px}
.bossChoices{display:grid;gap:6px;margin:7px 0}
.bossChoice{border:1px solid #bdd7f0;background:#fff;color:#0f3b57;border-radius:var(--radius);padding:7px 8px;text-align:left;line-height:1.35}
.bossChoice.correct{border-color:#16a34a;background:#ecfdf3;color:#166534}
.bossChoice.wrong{border-color:#e11d48;background:#fff1f2;color:#9f1239}
.mindList{display:grid;gap:7px;margin:8px 0}
.mindRecord{border:1px solid #ffd0da;background:#fff7f8;border-radius:var(--radius);padding:7px 8px;line-height:1.42}
.mindRecord b{display:block;color:#9f1239}
.mindRecord span,.mindRecord em{display:block;color:#4b5563;font-style:normal;font-size:12px;font-weight:800;margin-top:3px}
.emptyMind{border:1px dashed #cfe0ee;background:#f8fcff;border-radius:var(--radius);padding:8px;color:#536173;font-weight:800}
.gameModule em{display:block;margin-top:7px;color:#536173;font-style:normal;font-weight:800;font-size:13px}
.peakGrid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}
.peakCard{display:block;text-decoration:none;background:#fff;border:1px solid #cfe0ee;border-left:7px solid #0f766e;border-radius:var(--radius);padding:12px;color:var(--ink);line-height:1.55}
.peakCard b{display:block;color:#115e59;font-size:18px}
.peakCard span{color:#536173;font-weight:800}
.peakProgress{display:block;margin-top:9px;border-top:1px solid #e2edf5;padding-top:8px;color:#0f766e;font-weight:900}
.sectProgress{margin-top:8px;color:#115e59!important}

@media(max-width:700px){
  .courseMapGrid,.sourceStats,.traceGrid{grid-template-columns:1fr}
  .courseMapHead,.sourceTraceHead{display:block}
  .sourceTraceHead span{display:inline-flex;margin-top:8px}
  .courseMapHead span{display:inline-flex;margin-top:8px}
  .storyPosterImg{max-height:none}
  .highlightLegend{display:grid;grid-template-columns:1fr}
  .highlightLegendMarks{display:grid;grid-template-columns:1fr 1fr}
  .highlightMode{width:100%}
  .unitGuideHead,.practiceDivider{display:block}
  .unitGuideHead span,.practiceDivider span{display:block;margin-top:5px}
  .cultivationHead,.outMissionHead{display:block}
  .cultivationHead strong,.outMissionHead strong{display:inline-flex;margin-top:8px}
  .resourceGrid,.attrGrid,.unitGuideGrid,.archiveGrid,.missionGrid,.missionCompact,.gameHubGrid,.peakGrid{grid-template-columns:1fr}
  .archiveHead{display:block}
  .archiveHead strong{display:inline-flex;margin-top:8px}
  .gameHubHead,.sectMapHead{display:block}
  .sectMapHead .ghost{margin-top:8px}
  .artifactGrid{grid-template-columns:1fr}
}

.ruleEvent{border:2px solid #172033;background:linear-gradient(135deg,#101827,#273142 55%,#301b2f);color:#f8fafc;border-radius:var(--radius);padding:12px;margin:10px 0;box-shadow:0 18px 36px rgba(15,23,42,.22);display:grid;gap:9px}
.ruleEventHead{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}
.ruleEventHead b{display:block;color:#fff;font-size:18px;line-height:1.25}
.ruleEventHead span{display:block;color:#dbeafe;font-weight:800;line-height:1.45;margin-top:4px}
.ruleEventHead strong{background:#facc15;color:#1f2937;border-radius:999px;padding:6px 10px;white-space:nowrap;font-size:12px}
.ruleOpening{margin:0;color:#f8fafc;line-height:1.65;font-weight:800}
.ruleNpc,.forcedRule,.cluePanel,.ruleChoicePanel,.forceBreak,.pollutionHints{border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.07);border-radius:var(--radius);padding:9px}
.ruleNpc b,.forcedRule b,.cluePanel b,.ruleChoicePanel b,.forceBreak b,.pollutionHints summary{display:block;color:#fde68a;font-weight:900;margin-bottom:5px}
.ruleNpc span,.forcedRule span{display:block;color:#e5e7eb;line-height:1.55}
.forceBreak{display:grid;grid-template-columns:1fr auto;gap:8px;align-items:center}
.forceBreak b{grid-column:1/-1;margin-bottom:0}
.forceBreak span{color:#e5e7eb;font-weight:800;line-height:1.45}
.forceBreak button:disabled{opacity:.55;cursor:not-allowed}
.anomalyLine{display:flex;flex-wrap:wrap;gap:7px;align-items:center}
.anomalyLine b{color:#fde68a}
.anomalyTag{display:inline-flex;align-items:center;min-height:25px;background:#fff7ed;color:#9a3412;border:1px solid #fed7aa;border-radius:999px;padding:0 8px;font-weight:900;font-size:12px}
.anomaly-reverse,.anomaly-polluted{background:#ffe4e6;color:#9f1239;border-color:#fecdd3}
.anomaly-sequence,.anomaly-primary{background:#fef3c7;color:#78350f;border-color:#fde68a}
.anomaly-role{background:#dbeafe;color:#1e3a8a;border-color:#bfdbfe}
.fragmentWarning{display:flex;justify-content:space-between;gap:8px;align-items:center;border:1px solid rgba(250,204,21,.45);background:rgba(250,204,21,.12);border-radius:var(--radius);padding:8px 9px}
.fragmentWarning b{color:#fde68a;white-space:nowrap}
.fragmentWarning span{color:#fefce8;font-weight:900;line-height:1.45}
.fragmentWarning.muted{border-color:rgba(255,255,255,.22);background:rgba(255,255,255,.06)}
.invasionMeter{height:22px;background:#030712;border:1px solid rgba(255,255,255,.24);border-radius:999px;overflow:hidden;position:relative}
.invasionMeter i{display:block;height:100%;background:linear-gradient(90deg,#22c55e 0,#eab308 48%,#ef4444 100%);transition:width .25s ease}
.invasionMeter span{position:absolute;inset:0;display:grid;place-items:center;color:#fff;font-weight:900;font-size:12px;text-shadow:0 1px 2px rgba(0,0,0,.7)}
.cluePanel>div,.ruleChoicePanel>div{display:flex;flex-wrap:wrap;gap:7px}
.clueChip,.ruleChoice,.hintLine{border:1px solid rgba(255,255,255,.28);background:#fff;color:#102a43;border-radius:var(--radius);padding:7px 9px;text-align:left;line-height:1.35;min-height:34px}
.clueChip.found,.ruleChoice.active{background:#dcfce7;border-color:#22c55e;color:#14532d;box-shadow:inset 0 0 0 2px rgba(34,197,94,.16)}
.hintLine{width:100%;display:block;margin-top:7px}
.hintLine.correct{background:#dcfce7;border-color:#22c55e;color:#14532d}
.hintLine.wrong{background:#ffe4e6;border-color:#fb7185;color:#9f1239}
.doorStatus{display:block;color:#dbeafe;font-style:normal;font-weight:900}
.deathReplay{border:2px solid #7f1d1d;background:#fff1f2;color:#7f1d1d;border-radius:var(--radius);padding:9px 10px;margin-bottom:10px}
.deathReplay b{display:block;font-size:17px}
.deathReplay p{margin:4px 0 0;line-height:1.55}
.ruleEvent.shake{animation:ruleShake .34s ease}
@keyframes ruleShake{0%,100%{transform:translateX(0)}25%{transform:translateX(-5px)}55%{transform:translateX(5px)}75%{transform:translateX(-2px)}}
.cultivationPanel{border-color:#172033;background:linear-gradient(135deg,#fff,#f0fdf4 48%,#fff7d6);box-shadow:0 12px 26px rgba(15,23,42,.12)}
.cultivationHead b{color:#172033}
.cultivationHead strong{background:#172033}
.resourceGrid b{color:#9a3412}
.gameHub,.sectMap{border-color:#172033;background:linear-gradient(135deg,#f8fafc,#fff 50%,#fff7d6);box-shadow:0 12px 28px rgba(15,23,42,.1)}
.gameHubHead b,.sectMapHead h2,.peakCard b{color:#172033}
.gameHubHead strong{background:#172033}
.peakCard{border-left-color:#172033}
.peakProgress,.sectProgress{color:#172033!important}

@media(max-width:700px){
  .ruleEventHead{display:block}
  .ruleEventHead strong{display:inline-flex;margin-top:8px}
  .fragmentWarning{display:block}
  .fragmentWarning span{display:block;margin-top:4px}
  .forceBreak{grid-template-columns:1fr}
  .cluePanel>div,.ruleChoicePanel>div{display:grid;grid-template-columns:1fr}
}

/* Cohesive reading-first palette */
:root{--ink:#172033;--muted:#64748b;--blue:#1d4ed8;--deep:#253044;--green:#15803d;--orange:#b45309;--red:#b91c1c;--line:#d8e0ea;--soft:#f6f8fb;--paper:#ffffff}
body{background:#f4f7fb;color:var(--ink)}
.app{background:transparent}
.hero,.main,.side,.card,.panel,.unitGuide,.courseMap,.sourceTrace,.sourceBridge,.segmentCard,.fullRead{background:#fff;border-color:var(--line);box-shadow:0 8px 22px rgba(15,23,42,.06)}
.hero{background:#fff}
.eyebrow{background:#f8fafc;border-color:#d8e0ea;color:#334155}
h1,.sectionTitle h2,.lessonTitle,.panel h3,.courseMapHead b,.sourceTraceHead b,.unitGuideHead b{color:#17324a}
.lead,.lessonSubtitle,.sectionTitle p,.courseMapGrid p,.sourceTraceHead p,.traceGrid p,.unitGuideHead span,.unitGuideGrid p{color:#526173}
.stat,.pill,.controls,.unitGuideGrid div,.traceGrid div,.courseMapGrid div,.pathStep,.miniPanel,.sceneTile,.qSceneTile{background:#f8fafc;border-color:#d8e0ea;color:#334155}
.stat b{color:#1d4ed8}
.pill{color:#244761}
.tab{background:#fff;border-color:#cbd5e1;color:#253044}
.tab.active,.primary,.highlightModeBtn.active{background:#253044;color:#fff}
.ghost,.small{background:#fff;border-color:#cbd5e1;color:#253044}
.posterHero{background:#f8fafc;border-color:#d8e0ea}
.posterHero:before,.speech{border-color:#253044;box-shadow:none}
.avatar:before,.avatar:after{border-color:#253044}
.avatar:after{background:#4976c9}
.avatar.right:after{background:#c0843a}
.posterHead,.segmentHead{background:#f8fafc;border-color:#d8e0ea}
.sceneArt{background:#fff}
.sceneBoard{background:#f8fafc;border-color:#cbd5e1}
.assetBox{border-color:#253044}
.deepGrid{margin-top:14px;gap:14px}
.conceptCard,.formulaCard{border-color:#d8e0ea;background:#fff;display:grid;gap:10px;padding:14px}
.conceptCard{border-left-color:#4976c9}
.formulaCard{border-left-color:#b45309;background:#fffaf2}
.conceptCard p,.formulaCard p{margin:0!important;line-height:1.65!important;white-space:normal!important}
.formula{background:#253044}
.readPanel{background:#fff}
.paragraphs p,.sentenceRow{background:#fbfcfe;border-left-color:#cbd5e1}
.segmentTakeaway{background:#f8fafc;border-color:#cbd5e1}
.teachBox{background:#fffaf2;border-color:#e5c27a;box-shadow:none}
.highlightLegend{background:#f8fafc;border-color:#d8e0ea}
.keyMark-red{color:#9f1239;text-decoration-color:#dc2626}
.keyMark-box{background:#fff6cc;border-color:#eab308;color:#713f12}
.keyMark-blue{background:#eaf2ff;border-color:#93b4e8;color:#1e3a8a}
.keyMark-focus{background:#f4f1ff;border-color:#b9a7f0;color:#4c1d95}
.practiceDivider{background:#f8fafc;border-color:#cbd5e1}
.cultivationPanel,.archivePanel,.gameHub,.sectMap,.outMission{background:#fff;border-color:#cbd5e1;box-shadow:0 8px 22px rgba(15,23,42,.06)}
.cultivationHead b,.archiveHead b,.gameHubHead b,.sectMapHead h2,.outMissionHead b{color:#253044}
.cultivationHead strong,.archiveHead strong,.gameHubHead strong,.outMissionHead strong{background:#253044;color:#fff}
.resourceGrid span,.attrGrid span,.archiveGrid article,.gameModule,.missionStep{background:#f8fafc;border-color:#d8e0ea;color:#334155}
.resourceGrid b{color:#b45309}
.fragmentShelf span{background:#fff6cc;border-color:#eab308;color:#713f12}
.outMissionHead{background:#f8fafc;border-color:#d8e0ea}
.outMissionHead span{color:#526173}
.missionOpt,.artifactCard,.cardChoice,.bossChoice,.opt{border-color:#cbd5e1;color:#253044;background:#fff}
.missionOpt.correct,.cardChoice.correct,.bossChoice.correct,.opt.correct,.artifactCard.ready{background:#ecfdf3;border-color:#86cfa0;color:#166534}
.missionOpt.wrong,.cardChoice.wrong,.bossChoice.wrong,.opt.wrong{background:#fff1f2;border-color:#f4a9b7;color:#9f1239}
.corridorBar i{background:linear-gradient(90deg,#64748b,#1d4ed8)}
.corridorEvent,.artifactEffect,.hpLine{background:#fff;border-color:#cbd5e1;color:#334155}
.mindRecord{background:#fff1f2;border-color:#f4a9b7}
.ruleEvent{background:linear-gradient(135deg,#263244,#30384a);border-color:#334155;box-shadow:0 14px 30px rgba(15,23,42,.18)}
.ruleEventHead strong{background:#f8fafc;color:#253044}
.ruleNpc,.forcedRule,.cluePanel,.ruleChoicePanel,.forceBreak,.pollutionHints{background:rgba(255,255,255,.06);border-color:rgba(226,232,240,.22)}
.ruleNpc b,.forcedRule b,.cluePanel b,.ruleChoicePanel b,.forceBreak b,.pollutionHints summary,.anomalyLine b{color:#f8d47a}
.fragmentWarning{background:rgba(248,212,122,.11);border-color:rgba(248,212,122,.38)}
.anomalyTag{background:#fff6cc;border-color:#eab308;color:#713f12}
.anomaly-reverse,.anomaly-polluted{background:#ffe4e6;color:#9f1239;border-color:#fecdd3}
.anomaly-role{background:#eaf2ff;color:#1e3a8a;border-color:#bfdbfe}
.invasionMeter{background:#111827;border-color:rgba(226,232,240,.25)}
.invasionMeter i{background:linear-gradient(90deg,#16a34a,#f59e0b,#dc2626)}
.deathReplay{background:#fff1f2;border-color:#b91c1c;color:#7f1d1d}
.examBtn{background:#fff;border:1px solid var(--line)}

/* Rule-world explanation layer */
.unitRuleGate{border:1px solid #253044;background:linear-gradient(135deg,#f8fafc,#fff 50%,#fff6cc);border-left:7px solid #253044;border-radius:var(--radius);padding:12px;margin:12px 0;display:grid;gap:9px;box-shadow:0 8px 22px rgba(15,23,42,.08)}
.unitRuleGate>div:first-child{display:flex;justify-content:space-between;gap:10px;align-items:flex-start}
.unitRuleGate b{color:#172033}
.unitRuleGate>div:first-child b{display:block;font-size:20px;line-height:1.25}
.unitRuleGate>div:first-child span{color:#526173;font-weight:900;line-height:1.45}
.unitRuleGate p{margin:0!important;color:#334155!important;line-height:1.68!important;font-weight:800;white-space:normal!important}
.gateHook,.whisperLine{display:block;color:#172033;font-weight:900;font-size:16px;line-height:1.58;margin-bottom:5px}
.unitRuleGate p b{color:#7f1d1d}
.gatePath{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
.gatePath span{display:block;border:1px solid #d8e0ea;background:#fff;border-radius:var(--radius);padding:8px;color:#334155;font-weight:800;line-height:1.45}
.gatePath b{display:block;color:#1d4ed8;margin-bottom:4px}
.beginnerLayer{border:1px solid #d8e0ea;background:#fff;border-radius:var(--radius);padding:12px;margin:12px 0;display:grid;gap:10px;box-shadow:0 8px 22px rgba(15,23,42,.06)}
.beginnerLayerHead{display:flex;justify-content:space-between;gap:10px;align-items:flex-start}
.beginnerLayerHead b{display:block;color:#172033;font-size:20px;line-height:1.25}
.beginnerLayerHead span{color:#526173;font-weight:900;line-height:1.45}
.layerExplainGrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.layerExplainGrid article{border:1px solid #d8e0ea;background:#f8fafc;border-radius:var(--radius);padding:12px;line-height:1.55;display:grid;gap:8px}
.layerExplainGrid b{display:block;color:#1d4ed8;font-size:17px;line-height:1.25}
.layerExplainGrid strong{display:block;color:#172033;font-size:15px;line-height:1.45}
.layerExplainGrid p{margin:0!important;color:#334155!important;line-height:1.65!important;white-space:normal!important;font-weight:800}
.layerExplainGrid .layerMistake{border-left:4px solid #b91c1c;background:#fff1f2;border-radius:0 var(--radius) var(--radius) 0;padding:8px;color:#7f1d1d!important}
.layerExplainGrid .layerExampleText{border-left:4px solid #15803d;background:#f0fdf4;border-radius:0 var(--radius) var(--radius) 0;padding:8px;color:#14532d!important}
.layerCurrentWhy{border:1px solid #cbd5e1;background:#fffaf2;border-radius:var(--radius);padding:10px;line-height:1.6}
.layerCurrentWhy b{display:block;color:#9a3412;margin-bottom:5px}
.layerCurrentWhy p{margin:0!important;color:#334155!important;line-height:1.65!important;white-space:normal!important;font-weight:900}
.foundationPanel{border:1px solid #cbd5e1;background:#f8fafc;border-radius:var(--radius);padding:10px;display:grid;gap:9px}
.foundationHead{display:flex;justify-content:space-between;gap:10px;align-items:flex-start}
.foundationHead b{display:block;color:#172033;font-size:18px;line-height:1.25}
.foundationHead span{color:#526173;font-weight:900;line-height:1.45}
.foundationGrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
.foundationGrid article{border:1px solid #d8e0ea;background:#fff;border-radius:var(--radius);padding:9px;line-height:1.48}
.foundationGrid b{display:block;color:#9a3412;margin-bottom:4px}
.foundationGrid p{margin:0!important;color:#334155!important;line-height:1.55!important;white-space:normal!important;font-weight:800}
.foundationMatrix{display:grid;gap:7px}
.foundationMatrix div{display:grid;grid-template-columns:112px minmax(0,1fr) minmax(0,1.25fr);gap:7px;align-items:stretch}
.foundationMatrix b,.foundationMatrix span,.foundationMatrix em{border:1px solid #d8e0ea;background:#fff;border-radius:var(--radius);padding:8px;line-height:1.45}
.foundationMatrix b{color:#1d4ed8}
.foundationMatrix span{color:#334155;font-weight:900}
.foundationMatrix em{color:#7f1d1d;font-style:normal;font-weight:900}
.whyPanel{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px;margin:2px 0}
.whyPanel div{border:1px solid #d8e0ea;background:#f8fafc;border-radius:var(--radius);padding:10px;line-height:1.55}
.whyPanel b{display:block;color:#9a3412;margin-bottom:5px}
.whyPanel p{margin:0!important;color:#334155!important;line-height:1.65!important;white-space:normal!important;font-weight:850}
.foundationNote{margin:0!important;border-left:4px solid #9a3412;background:#fff7ed;border-radius:0 var(--radius) var(--radius) 0;padding:8px 10px;color:#7c2d12!important;line-height:1.6!important;white-space:normal!important;font-weight:900}
.foundationBrief{border:1px solid #d8e0ea;background:#f8fafc;border-radius:var(--radius);padding:9px;margin:9px 0;display:grid;gap:8px}
.foundationBriefHead{display:flex;justify-content:space-between;gap:8px;align-items:flex-start}
.foundationBriefHead b{color:#172033;font-size:16px;line-height:1.25}
.foundationBriefHead span{color:#526173;font-size:12px;font-weight:900;line-height:1.35;text-align:right}
.foundationBriefGrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:7px}
.foundationBriefGrid span{display:block;border:1px solid #d8e0ea;background:#fff;border-radius:var(--radius);padding:7px;color:#334155;font-weight:800;line-height:1.48;white-space:normal}
.foundationBriefGrid b{display:block;color:#1d4ed8;margin-bottom:3px}
.qExplain .foundationBrief{background:#fff;margin:8px 0}
.layerExample{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr) auto minmax(0,1fr);gap:7px;align-items:stretch}
.layerExample span{border:1px solid #cbd5e1;background:#fffaf2;border-radius:var(--radius);padding:8px;line-height:1.45;font-weight:900;color:#334155}
.layerExample span b{display:block;color:#9a3412;margin-bottom:3px}
.layerExample i{display:grid;place-items:center;color:#64748b;font-style:normal;font-weight:900}
.layerWarning{margin:0!important;border-left:4px solid #b91c1c;background:#fff1f2;border-radius:0 var(--radius) var(--radius) 0;padding:8px 10px;color:#7f1d1d!important;line-height:1.6!important;white-space:normal!important;font-weight:900}
.ruleLens{border:1px solid #253044;background:linear-gradient(135deg,#172033,#263244);color:#f8fafc;border-radius:var(--radius);padding:11px;display:grid;gap:9px;box-shadow:0 12px 26px rgba(15,23,42,.16)}
.ruleLensHead{display:flex;justify-content:space-between;gap:10px;align-items:flex-start}
.ruleLensHead b{display:block;color:#fff;font-size:18px;line-height:1.25}
.ruleLensHead span{display:block;color:#dbeafe;font-weight:800;line-height:1.45;margin-top:3px}
.ruleLensHead strong{display:inline-flex;align-items:center;min-height:28px;border-radius:999px;background:#facc15;color:#1f2937;padding:0 9px;font-size:12px;white-space:nowrap}
.rulePremise{margin:0!important;color:#f8fafc!important;line-height:1.7!important;font-weight:800;white-space:normal!important}
.rulePremise b{display:inline;color:#fde68a}
.rulePremise .whisperLine{color:#fff;font-size:17px;margin-bottom:6px}
.lensGrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
.lensGrid div{border:1px solid rgba(226,232,240,.22);background:rgba(255,255,255,.07);border-radius:var(--radius);padding:8px;line-height:1.48}
.lensGrid b{display:block;color:#f8d47a;margin-bottom:4px}
.lensGrid span{display:block;color:#e5e7eb;font-weight:800}
.storyRead{border:1px solid #cbd5e1;background:#fff;border-left:7px solid #253044;border-radius:var(--radius);padding:11px;display:grid;gap:9px;box-shadow:0 8px 22px rgba(15,23,42,.06)}
.storyReadHead{display:flex;justify-content:space-between;gap:10px;align-items:flex-start}
.storyReadHead b{display:block;color:#172033;font-size:18px;line-height:1.25}
.storyReadHead span{display:block;color:#526173;font-weight:800;line-height:1.45;margin-top:3px}
.storyReadHead strong{display:inline-flex;align-items:center;min-height:28px;border:1px solid #cbd5e1;background:#f8fafc;color:#253044;border-radius:999px;padding:0 9px;font-size:12px;white-space:nowrap}
.storyOpening,.storySurvival{margin:0!important;color:#334155!important;line-height:1.68!important;font-weight:900;white-space:normal!important}
.storyOpening b,.storySurvival b{color:#7f1d1d}
.storyBeatGrid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}
.storyBeatGrid div{border:1px solid #d8e0ea;background:#f8fafc;border-radius:var(--radius);padding:8px;line-height:1.48}
.storyBeatGrid b{display:block;color:#1d4ed8;margin-bottom:4px}
.storyBeatGrid span{display:block;color:#334155;font-weight:800}
.storyBeatGrid div:nth-child(3){border-color:#fecdd3;background:#fff1f2}
.storyBeatGrid div:nth-child(3) b{color:#be123c}
.storyBeatGrid div:nth-child(4){border-color:#bbf7d0;background:#f0fdf4}
.storyBeatGrid div:nth-child(4) b{color:#15803d}
.segmentDrill{border:1px solid #d8e0ea;background:#f8fafc;border-radius:var(--radius);padding:10px;display:grid;gap:9px}
.segmentDrill.done{border-color:#16a34a;background:#f0fdf4}
.segmentDrill.miss{border-color:#f4a9b7;background:#fff7f8}
.segmentDrillHead{display:flex;justify-content:space-between;gap:10px;align-items:flex-start}
.segmentDrillHead b{display:block;color:#172033;font-size:17px;line-height:1.25}
.segmentDrillHead span{display:block;color:#526173;font-weight:800;line-height:1.45;margin-top:3px}
.segmentDrillHead strong{display:inline-flex;align-items:center;min-height:28px;border-radius:999px;background:#253044;color:#fff;padding:0 9px;font-size:12px;white-space:nowrap}
.segmentDrill p{margin:0!important;color:#334155!important;line-height:1.55!important;font-weight:900;white-space:normal!important}
.segmentDrillOptions{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
.segmentDrillOpt{border:1px solid #cbd5e1;background:#fff;color:#253044;border-radius:var(--radius);padding:8px;text-align:left;line-height:1.42;font-weight:900}
.segmentDrillOpt.correct{border-color:#16a34a;background:#ecfdf3;color:#166534}
.segmentDrillOpt.wrong{border-color:#e11d48;background:#fff1f2;color:#9f1239}
.segmentDrill em{display:block;color:#526173;font-style:normal;font-weight:900;line-height:1.5}

/* Persistent clue board */
.keyMark{position:relative}
.keyMark.claimed{background:#fff4bd;border:1px solid #d97706;color:#713f12;box-shadow:inset 0 -2px 0 rgba(217,119,6,.32);padding-right:16px}
.keyMark.claimed:after{content:"✓";position:absolute;right:3px;top:50%;transform:translateY(-52%);font-size:11px;line-height:1;color:#9a3412}
.clueBoard{margin:14px 0 0;border:1px solid #d8e0ea;background:#f8fafc;border-radius:var(--radius);padding:10px;display:grid;gap:10px}
.clueBoardHead{display:grid;grid-template-columns:minmax(0,1fr) auto auto;gap:8px;align-items:center}
.clueBoardHead b{display:block;color:#172033;font-size:18px;line-height:1.25}
.clueBoardHead span{display:block;color:#526173;font-weight:800;line-height:1.45;margin-top:3px}
.clueBoardHead strong{display:inline-flex;align-items:center;justify-content:center;min-width:54px;min-height:34px;border-radius:999px;background:#253044;color:#fff;font-size:14px}
.clueBoardHead i{font-style:normal}
.clueList{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:8px}
.clueCard,.emptyClue{border:1px solid #cbd5e1;background:#fff;border-radius:var(--radius);padding:9px;line-height:1.5}
.clueCard{border-left:5px solid #d97706}
.clueCard.clue-red{border-left-color:#dc2626}
.clueCard.clue-blue{border-left-color:#2563eb}
.clueCard.clue-focus{border-left-color:#7c3aed}
.clueCard div{display:flex;justify-content:space-between;gap:8px;align-items:center}
.clueCard b{color:#172033}
.clueCard span{display:inline-flex;align-items:center;min-height:24px;border:1px solid #d8e0ea;background:#f8fafc;border-radius:999px;padding:0 8px;color:#334155;font-size:12px;font-weight:900;white-space:nowrap}
.clueCard p{margin:7px 0 0!important;white-space:normal!important;color:#334155;font-weight:800}
.clueCard em{display:block;margin-top:6px;color:#64748b;font-style:normal;font-size:12px;font-weight:800}
.emptyClue{border-style:dashed;color:#526173;font-weight:900}
.clueMapHead{display:flex;justify-content:space-between;gap:8px;align-items:center;border-top:1px solid #d8e0ea;padding-top:10px}
.clueMapHead b{color:#172033}
.clueMapHead span{color:#526173;font-weight:800;font-size:13px;line-height:1.45}
.miniRuleMap{display:flex;gap:8px;align-items:stretch}
.mapNode{flex:1;min-width:0;border:1px solid #cbd5e1;background:#fff;border-radius:var(--radius);padding:9px;line-height:1.45}
.mapNode b{display:block;color:#1d4ed8;margin-bottom:4px}
.mapNode span{display:block;color:#334155;font-weight:800}
.mapArrow{display:grid;place-items:center;color:#64748b;font-style:normal;font-weight:900}
.clueDock{display:none}
.clueDrawer{position:fixed;inset:0;z-index:80;display:none;background:rgba(15,23,42,.42)}
.clueDrawer.show{display:block}
.clueDrawerPanel{position:absolute;left:0;right:0;bottom:0;max-height:78vh;overflow:auto;background:#fff;border-radius:8px 8px 0 0;padding:10px;box-shadow:0 -18px 44px rgba(15,23,42,.24)}
.clueDrawerTop{display:flex;justify-content:space-between;gap:10px;align-items:center;margin-bottom:8px}
.clueDrawerTop b{color:#172033;font-size:18px}
.clueDrawerBody .clueBoardHead{grid-template-columns:minmax(0,1fr) auto}

@media(max-width:700px){
  .app{padding-bottom:72px}
  .unitRuleGate>div:first-child{display:block}
  .unitRuleGate>div:first-child span{display:block;margin-top:4px}
  .gatePath{grid-template-columns:1fr}
  .beginnerLayerHead{display:block}
  .beginnerLayerHead span{display:block;margin-top:4px}
  .layerExplainGrid,.layerExample,.foundationGrid{grid-template-columns:1fr}
  .whyPanel{grid-template-columns:1fr}
  .foundationHead{display:block}
  .foundationHead span{display:block;margin-top:4px}
  .foundationMatrix div{grid-template-columns:1fr}
  .foundationBriefHead{display:block}
  .foundationBriefHead span{display:block;margin-top:3px;text-align:left}
  .foundationBriefGrid{grid-template-columns:1fr}
  .storyReadHead{display:block}
  .storyReadHead strong{margin-top:7px}
  .storyBeatGrid{grid-template-columns:1fr}
  .segmentDrillHead{display:block}
  .segmentDrillHead strong{margin-top:7px}
  .segmentDrillOptions{grid-template-columns:1fr}
  .layerExample i{height:14px;transform:rotate(90deg)}
  .ruleLensHead{display:block}
  .ruleLensHead strong{margin-top:7px}
  .lensGrid{grid-template-columns:1fr}
  .clueBoardHead{grid-template-columns:minmax(0,1fr) auto}
  .clueBoardHead .small{grid-column:1/-1;width:100%}
  .clueList{grid-template-columns:1fr}
  .clueMapHead{display:block}
  .clueMapHead span{display:block;margin-top:4px}
  .miniRuleMap{display:grid;grid-template-columns:1fr;gap:6px}
  .mapArrow{height:14px;transform:rotate(90deg)}
  .clueDock{display:flex;position:static;min-height:48px;margin:12px 0;align-items:center;justify-content:center;gap:8px;background:#253044;color:#fff;border:1px solid rgba(255,255,255,.25);box-shadow:0 8px 20px rgba(15,23,42,.16)}
  .clueDock b{color:#facc15}
  .clueDock span{color:#dbeafe;font-size:12px}
}