:root{color:#15211f;background:#f3f5f1;--font-ui: "PingFang SC", "HarmonyOS Sans SC", "Source Han Sans SC", "Noto Sans CJK SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-display: "PingFang SC", "HarmonyOS Sans SC", "Source Han Sans SC", "Noto Sans CJK SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;font-family:var(--font-ui);font-synthesis:none;text-rendering:optimizeLegibility;--ink: #15211f;--muted: #66736f;--line: #d9dfda;--paper: #ffffff;--surface: #f3f5f1;--teal: #0c6b61;--teal-dark: #084b45;--gold: #b7832d;--navy: #173f73;--red: #ae3f34;--danger: #aa2d24;--radius: 18px;--shadow: 0 16px 50px rgba(31, 50, 45, .08)}*{box-sizing:border-box}html{min-width:320px;min-height:100%}body{margin:0;min-width:320px;min-height:100vh;background:var(--surface);font-family:var(--font-ui);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}button,input,select,textarea{font:inherit}button,a{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.65}h1,h2,h3,p{margin-top:0}body h1,body h2,body h3,.brand-mark,.brand strong{font-family:var(--font-display)!important;letter-spacing:-.015em!important}body h1{font-weight:720!important;line-height:1.22}body h2,body h3{font-weight:680!important;line-height:1.35}.eyebrow{display:block;margin-bottom:12px;color:var(--teal);font-size:11px;font-weight:800;letter-spacing:.17em}.brand-link{display:inline-flex}.brand{display:flex;align-items:center;gap:11px}.brand-mark{display:grid;width:38px;height:38px;place-items:center;border:1px solid currentColor;border-radius:12px 3px;color:var(--teal);font-family:STSong,Songti SC,serif;font-size:19px;font-weight:700}.brand strong,.brand small{display:block}.brand strong{font-family:STSong,Songti SC,serif;font-size:18px;letter-spacing:.08em}.brand small{margin-top:2px;color:var(--muted);font-size:10px;letter-spacing:.15em}.public-page{min-height:100vh;background:#f4f3ed}.public-header{display:flex;max-width:1280px;height:82px;margin:0 auto;padding:0 34px;align-items:center;justify-content:space-between;border-bottom:1px solid rgba(21,33,31,.12)}.quiet-link{color:var(--muted);font-size:13px}.quiet-link:hover{color:var(--teal)}.auth-layout{display:grid;max-width:1180px;min-height:calc(100vh - 82px);margin:0 auto;padding:70px 34px 80px;grid-template-columns:minmax(0,1.15fr) minmax(360px,.75fr);gap:90px;align-items:center}.auth-story{max-width:680px;padding-bottom:24px}.auth-story:before{display:block;width:96px;height:3px;margin-bottom:40px;background:var(--gold);content:""}.auth-story h1{margin-bottom:28px;font-family:STSong,Songti SC,serif;font-size:clamp(46px,5.6vw,76px);font-weight:650;letter-spacing:-.04em;line-height:1.13}.auth-story>p{max-width:540px;color:var(--muted);font-size:17px;line-height:1.9}.story-points{display:flex;margin-top:38px;gap:10px;flex-wrap:wrap}.story-points span{padding:9px 13px;border:1px solid rgba(12,107,97,.2);border-radius:99px;background:#ffffff73;color:var(--teal-dark);font-size:12px;font-weight:700}.auth-card{padding:38px;border:1px solid rgba(21,33,31,.1);border-top:4px solid var(--teal);border-radius:4px 4px var(--radius) var(--radius);background:var(--paper);box-shadow:var(--shadow)}.auth-card-heading{margin-bottom:30px}.auth-card-heading h2{margin:14px 0 8px;font-family:STSong,Songti SC,serif;font-size:31px}.auth-card-heading p{margin-bottom:0;color:var(--muted);font-size:14px}.phase-label{display:inline-flex;padding:6px 10px;border-radius:5px;background:#e6f1ee;color:var(--teal-dark);font-size:11px;font-weight:800;letter-spacing:.08em}.form-stack{display:grid;gap:18px}.form-stack label{display:grid;gap:8px;color:#30413d;font-size:13px;font-weight:700}input{width:100%;height:46px;padding:0 13px;border:1px solid #cfd7d2;border-radius:8px;outline:none;background:#fff;color:var(--ink);transition:border-color .16s ease,box-shadow .16s ease}input:focus{border-color:var(--teal);box-shadow:0 0 0 3px #0c6b611c}input:disabled{background:#eff2ef;color:#7c8783}.primary-button,.outline-button,.selected-button,.small-button{display:inline-flex;min-height:42px;padding:0 18px;align-items:center;justify-content:center;border-radius:8px;font-weight:750}.primary-button{border:1px solid var(--teal);background:var(--teal);color:#fff}.primary-button:hover:not(:disabled){background:var(--teal-dark)}.outline-button{border:1px solid #bac8c3;background:transparent;color:var(--teal-dark)}.outline-button:hover:not(:disabled){border-color:var(--teal);background:#edf5f2}.selected-button{border:1px solid #b9d1ca;background:#e3f0ec;color:var(--teal-dark)}.small-button{min-height:32px;padding:0 11px;border:1px solid var(--teal);background:var(--teal);color:#fff;font-size:12px}.full-button{width:100%;height:48px;margin-top:4px}.fit-button{width:fit-content}.form-error{padding:10px 12px;border:1px solid #efc5c1;border-radius:7px;background:#fff1ef;color:var(--danger);font-size:13px}.block-error{margin:18px 0}.form-message{margin:0;color:var(--teal);font-size:13px}.auth-switch{margin:24px 0 0;color:var(--muted);text-align:center;font-size:13px}.auth-switch a{margin-left:5px;color:var(--teal);font-weight:800}.security-note{margin:24px 0 0;padding-top:18px;border-top:1px solid var(--line);color:#85908c;font-size:11px;line-height:1.6}.setup-background{background:#edf1ed}.setup-layout{display:grid;max-width:1040px;margin:0 auto;padding:70px 34px;grid-template-columns:1fr 440px;gap:70px;align-items:center}.setup-intro h1{margin:18px 0;font-family:STSong,Songti SC,serif;font-size:52px}.setup-intro>p{max-width:480px;color:var(--muted);line-height:1.8}.setup-steps{display:grid;margin:34px 0 0;padding:0;gap:12px;list-style:none}.setup-steps li{display:flex;align-items:center;gap:14px;font-weight:700}.setup-steps span{color:var(--gold);font-size:12px;letter-spacing:.1em}.setup-card{border-top-color:var(--gold)}.empty-state{padding:60px 24px;color:var(--muted);text-align:center}.empty-state.compact{padding:30px 12px}.empty-state h2{color:var(--ink)}.empty-state .primary-button{margin-top:12px}.success-mark{display:grid;width:52px;height:52px;margin:0 auto 20px;place-items:center;border-radius:50%;background:#e3f0ec;color:var(--teal);font-size:24px;font-weight:800}.app-frame{display:grid;min-height:100vh;grid-template-columns:250px minmax(0,1fr)}.sidebar{position:sticky;top:0;display:flex;height:100vh;padding:28px 20px 20px;flex-direction:column;border-right:1px solid #dbe1dc;background:#fcfdfb}.sidebar-brand{padding:0 8px 26px;border-bottom:1px solid var(--line)}.main-nav{display:grid;margin-top:22px;gap:5px}.main-nav a{display:flex;min-height:44px;padding:0 11px;align-items:center;gap:11px;border-radius:8px;color:#586762;font-size:13px;font-weight:700}.main-nav a span{display:grid;width:25px;height:25px;place-items:center;border:1px solid #d5ded9;border-radius:7px;color:#667872;font-family:STSong,Songti SC,serif;font-size:12px}.main-nav a:hover{background:#f0f4f1;color:var(--ink)}.main-nav a.active{background:#e5f0ed;color:var(--teal-dark)}.main-nav a.active span{border-color:var(--teal);background:var(--teal);color:#fff}.nav-section{margin:18px 10px 6px;color:#9aa39f;font-size:10px;font-weight:800;letter-spacing:.16em}.sidebar-user{display:grid;margin-top:auto;padding:16px 8px 0;grid-template-columns:36px 1fr auto;gap:10px;align-items:center;border-top:1px solid var(--line)}.avatar{display:grid;width:36px;height:36px;place-items:center;border-radius:10px;background:var(--teal-dark);color:#fff;font-family:STSong,Songti SC,serif}.sidebar-user strong,.sidebar-user small{display:block}.sidebar-user strong{overflow:hidden;font-size:13px;text-overflow:ellipsis;white-space:nowrap}.sidebar-user small{margin-top:2px;color:var(--muted);font-size:10px}.icon-button,.text-button{border:0;background:transparent;color:var(--muted);font-size:11px}.app-main{min-width:0}.content{max-width:1400px;margin:0 auto;padding:46px 48px 70px}.mobile-header,.mobile-nav{display:none}.page{width:100%}.narrow-page{max-width:1000px}.page-heading{display:flex;margin-bottom:34px;justify-content:space-between}.page-heading h1{margin:0 0 10px;font-family:STSong,Songti SC,serif;font-size:clamp(30px,3.4vw,44px);font-weight:650}.page-heading p{max-width:720px;margin-bottom:0;color:var(--muted);line-height:1.7}.welcome-panel{position:relative;display:grid;min-height:250px;padding:45px;grid-template-columns:minmax(0,1fr) 290px;gap:50px;align-items:end;overflow:hidden;border-radius:4px var(--radius) var(--radius) var(--radius);background:#123f3a;color:#fff}.welcome-panel:after{position:absolute;top:-130px;right:-100px;width:370px;height:370px;border:1px solid rgba(255,255,255,.15);border-radius:50%;content:""}.welcome-panel .eyebrow{color:#c9a865}.welcome-panel h1{max-width:680px;margin-bottom:14px;font-family:STSong,Songti SC,serif;font-size:clamp(30px,4vw,48px);line-height:1.22}.welcome-panel p{max-width:700px;margin:0;color:#ffffffbf;font-size:14px;line-height:1.8}.phase-chip{position:relative;z-index:1;padding:21px;border:1px solid rgba(255,255,255,.2);border-radius:12px;background:#ffffff14}.phase-chip small,.phase-chip strong,.phase-chip span{display:block}.phase-chip small{color:#d6c393;font-size:10px;letter-spacing:.12em}.phase-chip strong{margin:8px 0;font-size:15px}.phase-chip span{color:#ffffffa6;font-size:11px;line-height:1.6}.section-title{display:flex;margin:42px 0 22px;align-items:end;justify-content:space-between;gap:24px}.section-title h2{margin-bottom:8px;font-family:STSong,Songti SC,serif;font-size:29px}.section-title p{margin:0;color:var(--muted);font-size:13px}.status-pill{display:inline-flex;width:fit-content;padding:6px 10px;border:1px solid #c8dcd6;border-radius:99px;background:#edf5f2;color:var(--teal-dark);font-size:11px;font-weight:750;white-space:nowrap}.track-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.track-card{position:relative;min-height:300px;padding:32px;overflow:hidden;border:1px solid var(--line);border-top:4px solid var(--teal);border-radius:4px 4px var(--radius) var(--radius);background:var(--paper);transition:transform .18s ease,box-shadow .18s ease}.track-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}.track-card.selected{border-color:#8fbeb5;box-shadow:0 0 0 2px #0c6b611a}.track-card.track-railway{border-top-color:var(--navy)}.track-number{position:absolute;top:12px;right:25px;color:#edf1ee;font-family:Georgia,serif;font-size:74px;line-height:1}.track-code{color:var(--gold);font-size:10px;font-weight:800;letter-spacing:.18em}.track-card h3{margin:16px 0 13px;font-family:STSong,Songti SC,serif;font-size:29px}.track-card>p{max-width:580px;color:var(--muted);font-size:13px;line-height:1.85}.track-card-footer{position:absolute;right:32px;bottom:28px;left:32px;display:flex;align-items:center;justify-content:space-between;gap:16px}.detail-link{color:var(--muted);font-size:12px;font-weight:750}.detail-link:hover{color:var(--teal)}.foundation-strip{display:grid;margin-top:28px;padding:22px 26px;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);background:#ffffff8c}.foundation-strip>div{padding:4px 20px;border-right:1px solid var(--line)}.foundation-strip>div:last-child{border-right:0}.foundation-strip span,.foundation-strip strong{display:block}.foundation-strip span{margin-bottom:5px;color:var(--teal);font-size:10px;font-weight:800}.foundation-strip strong{font-size:12px}.track-hero{display:grid;min-height:300px;padding:50px;grid-template-columns:minmax(0,1fr) 180px;gap:40px;align-items:center;border-radius:4px var(--radius) var(--radius) var(--radius);background:#123f3a;color:#fff}.track-page-railway .track-hero{background:#183c69}.track-hero .eyebrow{color:#d6b46d}.track-hero h1{margin-bottom:15px;font-family:STSong,Songti SC,serif;font-size:clamp(38px,5vw,58px)}.track-hero p{max-width:720px;color:#ffffffc2;line-height:1.8}.hero-actions{display:flex;min-height:42px;margin-top:25px;align-items:center;gap:16px}.hero-actions>span{color:#ffffffb3;font-size:12px}.track-seal{position:relative;display:grid;width:150px;height:150px;place-items:center;border:1px solid rgba(255,255,255,.35);border-radius:50%}.track-seal:after{position:absolute;inset:9px;border:1px solid rgba(255,255,255,.16);border-radius:50%;content:""}.track-seal span{font-family:STSong,Songti SC,serif;font-size:60px}.track-seal small{position:absolute;bottom:24px;font-size:10px;letter-spacing:.12em}.module-section{margin-top:45px}.module-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.module-card{min-height:175px;padding:24px;border:1px solid var(--line);background:var(--paper)}.module-card>span{color:var(--gold);font-family:Georgia,serif;font-size:11px}.module-card h3{margin:28px 0 9px;font-family:STSong,Songti SC,serif;font-size:20px}.module-card p{margin:0;color:var(--muted);font-size:12px;line-height:1.7}.evidence-note{display:grid;margin-top:24px;padding:24px 28px;grid-template-columns:140px 1fr;gap:20px;border-left:3px solid var(--gold);background:#ece9df;color:#5c594f;font-size:13px}.evidence-note p{margin:0;line-height:1.7}.panel{border:1px solid var(--line);border-radius:var(--radius);background:var(--paper);box-shadow:0 8px 28px #1f322d0a}.panel-heading{display:flex;margin-bottom:26px;align-items:start;justify-content:space-between;gap:24px}.panel-heading h2{margin-bottom:5px;font-family:STSong,Songti SC,serif;font-size:23px}.panel-heading p{margin:0;color:var(--muted);font-size:12px}.profile-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:20px}.profile-grid .panel{padding:30px}.identity-panel{text-align:center}.profile-avatar{display:grid;width:80px;height:80px;margin:10px auto 17px;place-items:center;border-radius:20px 5px;background:var(--teal-dark);color:#fff;font-family:STSong,Songti SC,serif;font-size:34px}.identity-panel h2{margin-bottom:6px;font-family:STSong,Songti SC,serif}.identity-panel>p{color:var(--muted);font-size:12px}.identity-panel dl{margin:28px 0 0;border-top:1px solid var(--line);text-align:left}.identity-panel dl div{display:flex;padding:14px 0;justify-content:space-between;border-bottom:1px solid var(--line);font-size:12px}.identity-panel dt{color:var(--muted)}.identity-panel dd{margin:0;font-weight:750}.page-loading{display:grid;min-height:360px;place-items:center;align-content:center;color:var(--muted);font-size:13px}.spinner{width:30px;height:30px;margin-bottom:12px;border:3px solid #dce5e1;border-top-color:var(--teal);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.metric-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.metric-grid article{padding:24px;border:1px solid var(--line);border-top:3px solid var(--teal);background:#fff}.metric-grid span,.metric-grid strong,.metric-grid small{display:block}.metric-grid span{color:var(--muted);font-size:12px}.metric-grid strong{margin:15px 0 8px;font-family:Georgia,serif;font-size:36px}.metric-grid small{color:#939d99;font-size:10px}.system-panel{margin-top:20px;padding:30px}.status-list{margin:0}.status-list div{display:grid;padding:16px 0;grid-template-columns:200px 1fr;border-top:1px solid var(--line);font-size:13px}.status-list dt{color:var(--muted)}.status-list dd{margin:0;font-weight:750}.toolbar{display:flex;margin-bottom:18px;align-items:center;justify-content:space-between;gap:20px}.toolbar>span{color:var(--muted);font-size:12px}.search-form{display:flex;width:min(480px,100%);gap:8px}.search-form input{height:42px}.table-panel{overflow:hidden}.responsive-table{width:100%;overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:12px}th,td{padding:16px 18px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}th{background:#f7f9f6;color:#6f7d78;font-size:11px;letter-spacing:.04em;white-space:nowrap}td>strong,td>small{display:block}td>small{margin-top:4px;color:var(--muted)}.role-editor{display:grid;grid-template-columns:minmax(190px,1fr) auto;gap:8px;align-items:start}.role-checks{display:flex;gap:8px;flex-wrap:wrap}.role-checks label{display:inline-flex;align-items:center;gap:4px;color:#4d5a56;font-size:11px;white-space:nowrap}.role-checks input{width:14px;height:14px}.inline-message{grid-column:1 / -1;color:var(--teal)}.role-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.role-card{padding:28px}.role-icon{display:grid;width:46px;height:46px;margin-bottom:24px;place-items:center;border:1px solid #bfd6cf;border-radius:13px 3px;color:var(--teal);font-family:Georgia,serif;font-size:18px;font-weight:700}.role-card h2{margin-bottom:10px;font-family:STSong,Songti SC,serif;font-size:27px}.role-card>p{min-height:58px;color:var(--muted);font-size:12px;line-height:1.7}.role-card h3{margin:26px 0 12px;padding-top:20px;border-top:1px solid var(--line);font-size:12px}.role-card ul{display:grid;margin:0;padding:0;gap:10px;list-style:none}.role-card li{display:flex;gap:8px;align-items:start}.role-card li>span{color:var(--teal);font-weight:800}.role-card li strong,.role-card li small{display:block}.role-card li strong{font-size:11px}.role-card li small{margin-top:2px;color:#94a09b;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:9px}@media(max-width:1100px){.content{padding:38px 30px 70px}.welcome-panel{grid-template-columns:1fr;gap:28px}.phase-chip{max-width:420px}.module-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.role-grid{grid-template-columns:1fr}.role-card>p{min-height:auto}}@media(max-width:850px){.auth-layout,.setup-layout{grid-template-columns:1fr;gap:45px}.auth-story{padding-top:30px}.auth-story h1{font-size:48px}.app-frame{display:block}.sidebar{display:none}.mobile-header{position:sticky;z-index:20;top:0;display:flex;height:66px;padding:0 20px;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);background:#fcfdfbf5}.mobile-header .brand-mark{width:31px;height:31px;font-size:15px}.mobile-header .brand strong{font-size:15px}.mobile-header .brand small{display:none}.mobile-nav{position:fixed;z-index:30;right:0;bottom:0;left:0;display:flex;min-height:58px;padding:7px 10px calc(7px + env(safe-area-inset-bottom));align-items:center;justify-content:space-around;border-top:1px solid var(--line);background:#fffffff7}.mobile-nav a{min-width:52px;padding:8px;border-radius:7px;color:var(--muted);text-align:center;font-size:11px;font-weight:700}.mobile-nav a.active{background:#e6f1ee;color:var(--teal-dark)}.content{padding:28px 20px 95px}.track-grid{grid-template-columns:1fr}.foundation-strip{grid-template-columns:repeat(2,1fr)}.foundation-strip>div:nth-child(2){border-right:0}.foundation-strip>div:nth-child(-n+2){padding-bottom:15px;border-bottom:1px solid var(--line)}.foundation-strip>div:nth-child(n+3){padding-top:15px}.track-hero{grid-template-columns:1fr}.track-seal{display:none}.module-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.profile-grid{grid-template-columns:1fr}.metric-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:560px){.public-header{height:68px;padding:0 18px}.public-header .brand strong{font-size:15px}.public-header .brand small{display:none}.auth-layout,.setup-layout{min-height:auto;padding:38px 18px 60px}.auth-story:before{margin-bottom:25px}.auth-story h1{font-size:39px}.auth-card{padding:28px 22px}.story-points{margin-top:24px}.setup-intro h1{font-size:39px}.welcome-panel,.track-hero{padding:31px 24px}.welcome-panel h1{font-size:32px}.section-title{align-items:start;flex-direction:column}.track-card{min-height:350px;padding:26px}.track-card-footer{right:26px;bottom:24px;left:26px;align-items:stretch;flex-direction:column}.track-card-footer .detail-link{text-align:center}.foundation-strip{display:none}.track-hero h1{font-size:36px}.hero-actions{align-items:stretch;flex-direction:column}.module-grid{grid-template-columns:1fr}.module-card{min-height:145px}.evidence-note{grid-template-columns:1fr;gap:8px}.metric-grid{grid-template-columns:1fr}.status-list div{grid-template-columns:1fr;gap:6px}.toolbar{align-items:stretch;flex-direction:column}.search-form{width:100%}}.course-value-strip{display:grid;margin-bottom:24px;padding:28px 32px;grid-template-columns:250px minmax(0,1fr);gap:34px;align-items:center;border:1px solid #d7ded8;border-left:4px solid var(--gold);background:#faf9f4}.course-value-strip>div span,.course-value-strip>div strong,.course-value-strip>div small{display:block}.course-value-strip>div span{color:var(--muted);font-size:11px;font-weight:750}.course-value-strip>div strong{margin:5px 0;color:var(--teal-dark);font-family:Georgia,serif;font-size:34px}.course-value-strip>div small{color:#8a938f;font-size:10px;line-height:1.5}.course-value-strip ol{display:grid;margin:0;padding:0;grid-template-columns:repeat(3,1fr);gap:14px;list-style:none}.course-value-strip li{display:flex;min-height:50px;align-items:center;gap:10px;color:#41514c;font-size:12px;font-weight:700}.course-value-strip li span{color:var(--gold);font-family:Georgia,serif;font-size:11px}.course-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.course-card{padding:32px;border:1px solid var(--line);border-top:4px solid var(--teal);border-radius:4px 4px var(--radius) var(--radius);background:var(--paper);box-shadow:0 8px 28px #1f322d0a}.course-card.course-railway{border-top-color:var(--navy)}.course-card-topline{display:flex;margin-bottom:25px;align-items:center;justify-content:space-between}.course-card-topline>span:first-child{color:var(--gold);font-size:10px;font-weight:800;letter-spacing:.18em}.access-active,.access-pending{padding:6px 9px;border-radius:99px;font-size:10px;font-weight:800}.access-active{background:#e3f0ec;color:var(--teal-dark)}.access-pending{background:#f3eee3;color:#8a6422}.course-card h2{margin-bottom:7px;font-family:STSong,Songti SC,serif;font-size:30px}.course-card .course-subtitle{min-height:38px;color:var(--teal);font-size:12px;font-weight:750;line-height:1.6}.course-card>p:not(.course-subtitle){min-height:92px;color:var(--muted);font-size:13px;line-height:1.8}.course-metrics{display:grid;margin:25px 0 18px;padding:19px 0;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.course-metrics div{padding:0 12px;border-right:1px solid var(--line)}.course-metrics div:first-child{padding-left:0}.course-metrics div:last-child{border-right:0}.course-metrics strong,.course-metrics span{display:block}.course-metrics strong{margin-bottom:4px;font-family:Georgia,serif;font-size:22px}.course-metrics span{color:var(--muted);font-size:10px}.progress-track{height:5px;overflow:hidden;border-radius:99px;background:#e7ece8}.progress-track span{display:block;height:100%;border-radius:inherit;background:var(--teal)}.course-railway .progress-track span{background:var(--navy)}.course-buy-row{display:flex;margin-top:24px;align-items:center;justify-content:space-between;gap:18px}.course-buy-row small,.course-buy-row strong{display:block}.course-buy-row small{color:var(--muted);font-size:10px}.course-buy-row strong{margin-top:3px;color:var(--teal-dark);font-family:Georgia,serif;font-size:25px}.course-flow-note{display:grid;margin-top:22px;padding:22px 26px;grid-template-columns:110px minmax(0,1fr) auto;gap:18px;align-items:center;border-left:3px solid var(--gold);background:#ece9df}.course-flow-note p{margin:0;color:#5c594f;font-size:12px;line-height:1.7}.course-hero{display:grid;min-height:340px;padding:48px;grid-template-columns:minmax(0,1fr) 300px;gap:54px;align-items:center;border-radius:4px var(--radius) var(--radius) var(--radius);background:#123f3a;color:#fff}.course-detail.course-railway .course-hero{background:#183c69}.course-back{display:inline-flex;margin-bottom:28px;color:#ffffffa6;font-size:11px;font-weight:750}.course-hero .eyebrow{color:#d6b46d}.course-hero h1{margin-bottom:10px;font-family:STSong,Songti SC,serif;font-size:clamp(38px,4.6vw,58px);line-height:1.18}.course-hero>div:first-child>p{max-width:730px;color:#ffffffb8;font-size:13px;line-height:1.8}.course-hero .course-hero-subtitle{color:#e5c57e;font-weight:750}.course-hero-tags{display:flex;margin-top:23px;gap:8px;flex-wrap:wrap}.course-hero-tags span{padding:7px 10px;border:1px solid rgba(255,255,255,.2);border-radius:99px;background:#ffffff0f;color:#fffc;font-size:10px}.course-price-panel{padding:28px;border:1px solid rgba(255,255,255,.2);border-radius:14px;background:#ffffff14}.course-price-panel small,.course-price-panel strong{display:block}.course-price-panel small{color:#d7c18d;font-size:10px;letter-spacing:.08em}.course-price-panel strong{margin:8px 0 12px;font-family:Georgia,serif;font-size:46px}.course-price-panel strong span{margin-right:4px;font-size:18px}.course-price-panel p{margin:0;color:#ffffff9e;font-size:10px;line-height:1.65}.activation-panel{display:grid;margin-top:22px;padding:28px 32px;grid-template-columns:minmax(0,.9fr) minmax(380px,1.1fr);gap:40px;align-items:center;border:1px solid #e0d6bd;background:#faf8f1}.activation-panel h2{margin-bottom:8px;font-family:STSong,Songti SC,serif;font-size:24px}.activation-panel p{margin:0;color:var(--muted);font-size:12px;line-height:1.7}.activation-form{display:grid;gap:8px}.activation-form>label{color:#4d5b57;font-size:11px;font-weight:750}.activation-form>div{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px}.activation-form small{color:#8e9693;font-size:10px}.activation-success{margin:18px 0;padding:13px 15px;border:1px solid #bcd8d0;background:#eaf5f1;color:var(--teal-dark);font-size:12px;font-weight:700}.lesson-list-section{margin-top:42px}.lesson-list{border-top:1px solid var(--line)}.lesson-row{display:grid;min-height:112px;padding:22px 20px;grid-template-columns:52px minmax(0,1fr) 120px;gap:20px;align-items:center;border-bottom:1px solid var(--line);background:#ffffff7a;transition:background .16s ease}a.lesson-row:hover{background:#fff}.lesson-row.locked{opacity:.68}.lesson-number{color:#b7beba;font-family:Georgia,serif;font-size:20px}.lesson-copy>div{display:flex;gap:8px;align-items:center}.lesson-copy>div span{color:var(--gold);font-size:9px;font-weight:800;letter-spacing:.12em}.lesson-copy>div em{padding:3px 6px;border-radius:3px;background:#e2f0ec;color:var(--teal-dark);font-size:9px;font-style:normal;font-weight:750}.lesson-copy h3{margin:6px 0 4px;font-family:STSong,Songti SC,serif;font-size:19px}.lesson-copy p{margin:0;color:var(--muted);font-size:11px;line-height:1.6}.lesson-state{text-align:right}.lesson-state span,.lesson-state strong{display:block}.lesson-state span{margin-bottom:6px;color:#909a96;font-size:10px}.lesson-state strong{color:var(--teal);font-size:11px}.copyright-card{margin-top:26px;padding:24px 28px;border-left:3px solid var(--gold);background:#ece9df}.copyright-card strong{font-size:12px}.copyright-card p{margin:8px 0 0;color:#625f56;font-size:11px;line-height:1.8}.hero-course-link{border-color:#ffffff80;color:#fff}.lesson-page{max-width:1060px}.lesson-header{padding:44px 48px;border-radius:4px var(--radius) var(--radius) var(--radius);background:#123f3a;color:#fff}.lesson-page.course-railway .lesson-header{background:#183c69}.lesson-meta{display:flex;margin-bottom:18px;gap:8px;flex-wrap:wrap}.lesson-meta span{padding:5px 8px;border:1px solid rgba(255,255,255,.2);border-radius:99px;color:#ffffffb3;font-size:9px}.lesson-header h1{max-width:780px;margin-bottom:12px;font-family:STSong,Songti SC,serif;font-size:clamp(34px,4.4vw,52px);line-height:1.2}.lesson-header>p{max-width:720px;color:#ffffffb3;font-size:13px;line-height:1.8}.lesson-objectives{display:grid;max-width:820px;margin-top:28px;padding-top:24px;grid-template-columns:160px minmax(0,1fr);gap:24px;border-top:1px solid rgba(255,255,255,.16)}.lesson-objectives strong{color:#ddc58d;font-size:11px}.lesson-objectives ul{display:flex;margin:0;padding:0;gap:8px;flex-wrap:wrap;list-style:none}.lesson-objectives li{color:#ffffffc2;font-size:11px}.lesson-objectives li:not(:last-child):after{margin-left:8px;color:#ffffff4d;content:"·"}.lesson-body{padding:25px 48px 0}.lesson-section{display:grid;padding:40px 0;grid-template-columns:56px minmax(0,1fr);gap:26px;border-bottom:1px solid var(--line)}.lesson-section>span{color:var(--gold);font-family:Georgia,serif;font-size:13px}.lesson-section h2{margin-bottom:14px;font-family:STSong,Songti SC,serif;font-size:27px}.lesson-section p{color:#4f5e59;font-size:14px;line-height:2}.lesson-section ul{display:grid;margin:22px 0 0;padding:0;gap:9px;list-style:none}.lesson-section li{position:relative;padding-left:18px;color:var(--muted);font-size:12px;line-height:1.7}.lesson-section li:before{position:absolute;top:0;left:0;color:var(--teal);content:"✓"}.practice-card,.source-card{margin-top:38px;padding:34px;border:1px solid var(--line);background:#fff}.practice-card{border-top:4px solid var(--teal)}.practice-card h2,.source-card h2{margin-bottom:12px;font-family:STSong,Songti SC,serif;font-size:27px}.practice-card>p,.source-card>p{color:#45544f;font-size:14px;line-height:1.8}.practice-options{display:grid;margin:24px 0 18px;gap:8px}.practice-options button{display:flex;min-height:48px;padding:10px 14px;align-items:center;gap:12px;border:1px solid #d8dfda;border-radius:8px;background:#fafbf9;color:#34433e;text-align:left;font-size:12px}.practice-options button span{display:grid;width:26px;height:26px;flex:0 0 auto;place-items:center;border:1px solid #c9d2cd;border-radius:50%;font-family:Georgia,serif;font-size:10px}.practice-options button.selected{border-color:var(--teal);background:#eef6f3}.practice-options button.correct{border-color:#47947f;background:#e3f3ed}.practice-options button.incorrect{border-color:#c9685f;background:#fff0ee}.practice-explanation{margin-top:18px;padding:17px 19px;border-left:3px solid var(--gold);background:#f3f0e8}.practice-explanation strong{font-size:12px}.practice-explanation p{margin:7px 0 0;color:#5b5a54;font-size:12px;line-height:1.7}.assignment-card{display:grid;margin-top:18px;padding:22px 26px;grid-template-columns:100px minmax(0,1fr);gap:18px;border:1px solid #d9cfb7;background:#faf8f1}.assignment-card span{color:#9a6c1f;font-size:11px;font-weight:800}.assignment-card p{margin:0;color:#56564f;font-size:12px;line-height:1.7}.source-list{display:grid;margin-top:24px;gap:10px}.source-list article{padding:20px;border:1px solid var(--line);background:#fafbf9}.source-list article>span{color:var(--gold);font-size:9px;font-weight:800;letter-spacing:.1em}.source-list h3{margin:7px 0 5px;font-size:13px}.source-list h3 a{color:var(--teal-dark)}.source-list small{color:#89938f;font-size:9px}.source-list article p{margin:10px 0 0;color:var(--muted);font-size:11px;line-height:1.7}.lesson-footer{display:grid;margin:36px 48px 0;padding:28px 0 0;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);gap:18px;align-items:center;border-top:1px solid var(--line)}.lesson-footer>div:last-child{text-align:right}.lesson-footer a span,.lesson-footer a strong{display:block}.lesson-footer a span{margin-bottom:4px;color:var(--muted);font-size:9px}.lesson-footer a strong{color:var(--teal-dark);font-size:11px}@media(max-width:1100px){.course-grid{grid-template-columns:1fr}.course-card>p:not(.course-subtitle){min-height:auto}.course-hero{grid-template-columns:minmax(0,1fr) 250px;gap:30px}}@media(max-width:850px){.course-value-strip,.course-hero,.activation-panel{grid-template-columns:1fr}.course-value-strip ol{grid-template-columns:1fr;gap:4px}.course-price-panel{max-width:430px}.course-flow-note{grid-template-columns:1fr;gap:8px}.lesson-body{padding-right:24px;padding-left:24px}.lesson-footer{margin-right:24px;margin-left:24px}}@media(max-width:560px){.course-value-strip,.course-card,.activation-panel{padding:24px 20px}.course-buy-row,.activation-form>div{align-items:stretch;grid-template-columns:1fr;flex-direction:column}.course-buy-row .primary-button{width:100%}.course-metrics div{padding:0 8px}.course-hero{padding:32px 24px}.course-price-panel{padding:22px}.lesson-row{padding:20px 8px;grid-template-columns:34px minmax(0,1fr);gap:12px}.lesson-state{display:flex;grid-column:2;align-items:center;justify-content:space-between;text-align:left}.lesson-header{padding:31px 24px}.lesson-objectives{grid-template-columns:1fr;gap:12px}.lesson-body{padding:16px 0 0}.lesson-section{padding:32px 0;grid-template-columns:32px minmax(0,1fr);gap:8px}.practice-card,.source-card{padding:25px 20px}.assignment-card{grid-template-columns:1fr;gap:8px}.lesson-footer{margin:30px 0 0;grid-template-columns:1fr;text-align:left}.lesson-footer>div:last-child{text-align:left}.lesson-footer button{width:100%;grid-row:1}.mobile-nav a{min-width:46px;padding:7px 5px}}.lesson-stage-panel{margin-bottom:28px;padding:28px;border:1px solid #c8dcd6;border-top:4px solid var(--teal);border-radius:4px var(--radius) var(--radius) var(--radius);background:#f8fbf9}.lesson-stage-intro{display:grid;margin-bottom:20px;grid-template-columns:minmax(0,.65fr) minmax(0,1fr);gap:24px}.lesson-stage-intro .eyebrow{grid-column:1 / -1;margin-bottom:-12px}.lesson-stage-intro h2{margin:0;font-family:STSong,Songti SC,serif;font-size:24px}.lesson-stage-intro p{margin:0;color:var(--muted);font-size:11px;line-height:1.75}.lesson-stage-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}.lesson-stage-grid button{display:grid;min-height:115px;padding:14px;align-content:space-between;border:1px solid var(--line);border-radius:9px;background:#fff;color:var(--ink);text-align:left}.lesson-stage-grid button:hover:not(:disabled){border-color:var(--teal);transform:translateY(-1px)}.lesson-stage-grid button>b{color:var(--gold);font-family:Georgia,serif;font-size:12px}.lesson-stage-grid button span,.lesson-stage-grid button strong,.lesson-stage-grid button small{display:block}.lesson-stage-grid button strong{margin:10px 0 4px;font-family:STSong,Songti SC,serif;font-size:16px}.lesson-stage-grid button small{color:var(--muted);font-size:8px}.lesson-stage-grid button em{margin-top:12px;color:var(--teal);font-size:9px;font-style:normal;font-weight:800}.course-practice-bridge,.lesson-practice-bridge{display:grid;margin-top:24px;padding:27px 30px;grid-template-columns:minmax(0,1fr) auto;gap:28px;align-items:center;border:1px solid #c8dcd6;border-left:4px solid var(--teal);border-radius:4px var(--radius) var(--radius) var(--radius);background:#edf5f2}.course-practice-bridge h2,.lesson-practice-bridge h2{margin-bottom:7px;font-family:STSong,Songti SC,serif;font-size:23px}.course-practice-bridge p,.lesson-practice-bridge p{max-width:780px;margin:0;color:var(--muted);font-size:12px;line-height:1.8}.lesson-practice-bridge{margin:24px 0}.practice-track-switch{display:inline-flex;margin:-10px 0 24px;padding:4px;border:1px solid var(--line);border-radius:10px;background:#e9eeea}.practice-track-switch button{min-width:116px;height:38px;border:0;border-radius:7px;background:transparent;color:var(--muted);font-size:12px;font-weight:750}.practice-track-switch button.active{background:var(--paper);color:var(--teal-dark);box-shadow:0 4px 14px #1f322d14}.railway-foundation-hub{display:grid;margin-bottom:20px;padding:28px 30px;grid-template-columns:minmax(0,1fr) 230px;gap:28px;border-color:#c9ddd7;background:linear-gradient(120deg,#edf7f4f5,#fffcf2f0)}.railway-foundation-hub h2{margin:7px 0 9px;font-family:STSong,Songti SC,serif;font-size:clamp(22px,3vw,30px)}.railway-foundation-hub p{max-width:740px;margin:0;color:var(--muted);font-size:12px;line-height:1.75}.railway-foundation-tags{display:flex;margin-top:17px;flex-wrap:wrap;gap:7px}.railway-foundation-tags span{padding:7px 10px;border:1px solid #cfddd8;border-radius:99px;background:#ffffffc2;color:#315a51;font-size:10px;font-weight:700}.railway-foundation-actions{display:flex;padding-left:26px;flex-direction:column;justify-content:center;border-left:1px solid #cfddd8}.railway-foundation-actions>strong{color:var(--teal-dark);font-family:STSong,Songti SC,serif;font-size:34px}.railway-foundation-actions>small{margin:2px 0 15px;color:var(--muted);font-size:10px}.railway-foundation-actions .primary-button{width:100%;border:0}.railway-foundation-actions .detail-link{margin-top:12px;text-align:center}.practice-launch-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(320px,.85fr);gap:20px}.practice-builder,.practice-subject-panel,.practice-history,.result-subjects,.result-review{padding:30px}.practice-builder h2,.practice-subject-panel h2,.practice-history h2,.attempt-sidebar h2,.result-subjects h2,.result-review h2{margin-bottom:22px;font-family:STSong,Songti SC,serif;font-size:24px}.practice-builder>label,.practice-inline-fields label{display:grid;gap:8px;color:var(--muted);font-size:11px;font-weight:750}.practice-builder select{width:100%;height:44px;padding:0 38px 0 12px;border:1px solid #cfd7d2;border-radius:8px;outline:none;background:#fff;color:var(--ink);font:inherit}.practice-builder select:focus{border-color:var(--teal);box-shadow:0 0 0 3px #0c6b611c}.practice-active-filter{display:flex;margin-top:12px;padding:10px 12px;align-items:center;justify-content:space-between;gap:12px;border:1px solid #bad4cd;border-radius:8px;background:#edf7f4;color:#315a51;font-size:11px}.practice-active-filter strong{margin-left:4px}.practice-active-filter button{padding:0;border:0;background:transparent;color:var(--teal);font-size:10px;font-weight:750}.practice-mode-options{display:grid;margin:24px 0 0;padding:0;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;border:0}.practice-mode-options legend{margin-bottom:8px;color:var(--muted);font-size:11px;font-weight:750}.practice-mode-options>label{display:grid;min-height:92px;padding:15px;grid-template-columns:16px minmax(0,1fr);gap:9px;border:1px solid var(--line);border-radius:10px;background:#fafbf9;cursor:pointer}.practice-mode-options>label.selected{border-color:#8fbeb5;background:#edf5f2;box-shadow:inset 0 0 0 1px #0c6b611f}.practice-mode-options input{width:15px;height:15px;margin:2px 0 0;accent-color:var(--teal)}.practice-mode-options strong,.practice-mode-options small{display:block}.practice-mode-options strong{margin-bottom:5px;color:var(--ink);font-size:12px}.practice-mode-options small{color:var(--muted);font-size:10px;line-height:1.55}.practice-inline-fields{display:grid;margin-top:18px;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.practice-availability{margin:15px 0;color:var(--muted);font-size:11px}.practice-builder>.primary-button{width:100%}.practice-subject-list{display:grid;gap:8px}.practice-subject-list button{display:grid;width:100%;padding:13px 14px;grid-template-columns:minmax(0,1fr) auto;gap:12px;align-items:center;border:1px solid var(--line);border-radius:9px;background:#fafbf9;color:var(--ink);text-align:left}.practice-subject-list button:hover,.practice-subject-list button.active{border-color:#8fbeb5;background:#edf5f2}.practice-subject-list strong,.practice-subject-list small{display:block}.practice-subject-list strong{margin-bottom:3px;font-size:12px}.practice-subject-list small{color:var(--muted);font-size:10px;line-height:1.5}.practice-subject-list b{color:var(--teal);font-size:11px}.source-note{margin:17px 0 0;padding-top:15px;border-top:1px solid var(--line);color:var(--muted);font-size:10px;line-height:1.7}.practice-history{margin-top:20px}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:24px}.practice-history-list{display:grid;border-top:1px solid var(--line)}.practice-history-list>a{display:flex;padding:15px 3px;align-items:center;justify-content:space-between;gap:18px;border-bottom:1px solid var(--line)}.practice-history-list strong,.practice-history-list small{display:block}.practice-history-list strong{margin-bottom:5px;font-size:12px}.practice-history-list small{color:var(--muted);font-size:10px}.practice-history-list b{color:var(--teal);font-size:12px}.attempt-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:20px;align-items:start}.attempt-main{min-width:0}.attempt-header{display:flex;margin-bottom:18px;padding:24px 28px;align-items:center;justify-content:space-between;gap:24px;border-radius:4px var(--radius) var(--radius) var(--radius);background:#123f3a;color:#fff}.attempt-header span,.attempt-header small{color:#ffffffa8;font-size:10px}.attempt-header h1{margin:6px 0 0;font-family:STSong,Songti SC,serif;font-size:26px}.attempt-header>div:last-child{min-width:86px;text-align:right}.attempt-header strong{display:block;margin-top:5px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:20px}.attempt-header .urgent strong{color:#ffd1cc}.question-card{padding:34px;border:1px solid var(--line);border-radius:var(--radius);background:var(--paper);box-shadow:0 8px 28px #1f322d0a}.question-meta{display:flex;margin-bottom:22px;flex-wrap:wrap;gap:7px}.question-meta span{padding:5px 8px;border-radius:5px;background:#edf2ee;color:var(--muted);font-size:10px}.question-card h2{margin-bottom:25px;font-family:STSong,Songti SC,serif;font-size:23px;line-height:1.65}.question-options{display:grid;gap:10px}.question-options button{display:grid;width:100%;min-height:54px;padding:11px 14px;grid-template-columns:30px minmax(0,1fr);gap:11px;align-items:center;border:1px solid var(--line);border-radius:9px;background:#fafbf9;color:var(--ink);text-align:left}.question-options button:hover,.question-options button.selected{border-color:var(--teal);background:#edf5f2}.question-options button b{display:grid;width:28px;height:28px;place-items:center;border:1px solid #c5d4cf;border-radius:50%;color:var(--teal)}.question-actions{display:flex;margin-top:26px;align-items:center;justify-content:space-between;gap:16px}.question-actions button{min-height:38px;padding:0 13px;border:1px solid #c7d1cd;border-radius:7px;background:transparent;color:var(--muted);font-size:11px}.question-actions>button.flagged{border-color:#d5b66e;background:#fff8e7;color:#8a651c}.question-actions>div{display:flex;gap:8px}.question-actions .primary-button{border-color:var(--teal);background:var(--teal);color:#fff}.attempt-sidebar{position:sticky;top:24px;padding:25px}.answer-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:7px}.answer-grid button{aspect-ratio:1;border:1px solid var(--line);border-radius:7px;background:#f7f9f7;color:var(--muted);font-size:11px}.answer-grid button.answered{border-color:var(--teal);background:#dcece7;color:var(--teal-dark)}.answer-grid button.flagged{box-shadow:inset 0 -3px #d3a54a}.answer-grid button.active{outline:2px solid var(--teal);outline-offset:1px}.answer-legend{display:flex;margin:17px 0;gap:13px;color:var(--muted);font-size:9px}.answer-legend span{display:flex;align-items:center;gap:5px}.answer-legend i{width:9px;height:9px;border-radius:2px;background:#e4e9e5}.answer-legend i.answered{background:#a9d1c5}.answer-legend i.flagged{background:#d3a54a}.submit-attempt{width:100%;height:40px;border:1px solid var(--teal);border-radius:7px;background:transparent;color:var(--teal-dark);font-weight:750}.result-hero{display:grid;min-height:230px;padding:38px 44px;grid-template-columns:minmax(0,1fr) 180px;gap:30px;align-items:center;border-radius:4px var(--radius) var(--radius) var(--radius);background:#123f3a;color:#fff}.result-hero.foundation,.result-hero.relearn{background:#7a4b29}.result-hero.reinforce{background:#173f73}.result-hero.next{background:#125a4c}.result-hero .eyebrow{color:#e5c27a}.result-hero h1{margin-bottom:11px;font-family:STSong,Songti SC,serif;font-size:clamp(30px,4vw,45px)}.result-hero p{max-width:720px;margin:0;color:#ffffffbd;line-height:1.75}.result-score{padding:24px;border:1px solid rgba(255,255,255,.2);border-radius:12px;text-align:center}.result-score strong,.result-score span{display:block}.result-score strong{font-family:Georgia,serif;font-size:54px}.result-score span{color:#ffffffa3;font-size:10px}.result-metrics{display:grid;margin:20px 0;grid-template-columns:repeat(4,minmax(0,1fr));border:1px solid var(--line);border-radius:var(--radius);background:var(--paper)}.result-metrics article{padding:23px;border-right:1px solid var(--line)}.result-metrics article:last-child{border-right:0}.result-metrics span,.result-metrics strong{display:block}.result-metrics span{margin-bottom:7px;color:var(--muted);font-size:10px}.result-metrics strong{font-size:22px}.result-subjects{margin-bottom:20px}.subject-metric-list{display:grid;gap:10px}.subject-metric-list article{display:grid;padding:15px 0;grid-template-columns:minmax(0,1fr) auto;gap:7px 20px;border-top:1px solid var(--line)}.subject-metric-list strong,.subject-metric-list span{display:block}.subject-metric-list strong{margin-bottom:4px;font-size:12px}.subject-metric-list span{color:var(--muted);font-size:10px}.subject-metric-list b{color:var(--teal);font-size:13px}.metric-bar{height:5px;grid-column:1 / -1;overflow:hidden;border-radius:9px;background:#e8ece9}.metric-bar i{display:block;height:100%;background:var(--teal)}.result-question-list{display:grid;gap:12px}.result-question-list>article{padding:22px;border:1px solid var(--line);border-left:4px solid var(--teal);border-radius:4px 10px 10px 4px;background:#fafbf9}.result-question-list>article.wrong{border-left-color:var(--red)}.result-question-head{display:flex;margin-bottom:15px;align-items:center;justify-content:space-between;gap:20px;color:var(--muted);font-size:10px}.result-question-head b{color:var(--teal)}.result-question-list>article.wrong .result-question-head b{color:var(--red)}.result-question-list h3{font-family:STSong,Songti SC,serif;font-size:17px;line-height:1.6}.result-question-list>article>p{margin-bottom:7px;color:var(--muted);font-size:11px}.question-explanation{margin-top:15px;padding:14px 15px;border-radius:7px;background:#edf2ee}.question-explanation strong{font-size:11px}.question-explanation p{margin:5px 0 0;color:var(--muted);font-size:11px;line-height:1.7}.result-question-list small{display:block;margin-top:11px;color:var(--muted);font-size:9px}@media(max-width:1000px){.lesson-stage-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.railway-foundation-hub{grid-template-columns:minmax(0,1fr) 210px}.practice-launch-grid,.attempt-layout{grid-template-columns:1fr}.attempt-sidebar{position:static}.answer-grid{grid-template-columns:repeat(10,1fr)}}@media(max-width:700px){.lesson-stage-panel{padding:22px 19px}.lesson-stage-intro,.lesson-stage-grid{grid-template-columns:1fr}.lesson-stage-grid button{min-height:auto}.course-practice-bridge,.lesson-practice-bridge,.result-hero{grid-template-columns:1fr}.course-practice-bridge,.lesson-practice-bridge,.practice-builder,.practice-subject-panel,.practice-history,.result-subjects,.result-review,.question-card{padding:22px 19px}.practice-mode-options,.practice-inline-fields{grid-template-columns:1fr}.railway-foundation-hub{grid-template-columns:1fr;padding:22px 19px}.railway-foundation-actions{padding:20px 0 0;border-top:1px solid #cfddd8;border-left:0}.practice-mode-options>label{min-height:auto}.attempt-header{padding:20px}.attempt-header h1{font-size:20px}.question-actions{align-items:stretch;flex-direction:column}.question-actions>div{justify-content:space-between}.answer-grid{grid-template-columns:repeat(5,1fr)}.result-hero{padding:30px 24px}.result-score{max-width:180px}.result-metrics{grid-template-columns:repeat(2,1fr)}.result-metrics article:nth-child(2){border-right:0}.result-metrics article:nth-child(-n+2){border-bottom:1px solid var(--line)}.section-heading{align-items:stretch;flex-direction:column}}.dashboard-diagnostic-strip{display:grid;margin-top:24px;padding:26px 30px;grid-template-columns:minmax(0,1fr) minmax(330px,.7fr);gap:34px;align-items:center;border:1px solid #c8dcd6;border-left:4px solid var(--teal);border-radius:4px var(--radius) var(--radius) var(--radius);background:#edf5f2}.dashboard-diagnostic-strip h2{margin-bottom:7px;font-family:STSong,Songti SC,serif;font-size:23px}.dashboard-diagnostic-strip p{margin:0;color:var(--muted);font-size:11px;line-height:1.75}.dashboard-diagnostic-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}.dashboard-diagnostic-actions a{padding:14px;border:1px solid #c4d7d1;border-radius:9px;background:#fff}.dashboard-diagnostic-actions a.completed{background:#f8fbf9}.dashboard-diagnostic-actions span,.dashboard-diagnostic-actions strong{display:block}.dashboard-diagnostic-actions span{margin-bottom:6px;color:var(--muted);font-size:9px}.dashboard-diagnostic-actions strong{color:var(--teal-dark);font-size:10px}.assessment-loading{padding:28px;color:var(--muted);font-size:12px}.assessment-access-note{display:flex;margin-bottom:20px;padding:21px 24px;align-items:center;justify-content:space-between;gap:24px;border:1px solid #e5c9a3;border-left:4px solid var(--gold);border-radius:4px 12px 12px 4px;background:#fff8e9}.assessment-access-note strong{font-size:13px}.assessment-access-note p{margin:5px 0 0;color:var(--muted);font-size:11px}.assessment-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.assessment-card{position:relative;display:flex;min-height:420px;padding:30px;flex-direction:column;overflow:hidden;border-top:4px solid var(--teal)}.assessment-card.mock{border-top-color:var(--navy)}.assessment-card.review{border-top-color:var(--gold)}.assessment-card-number{position:absolute;top:14px;right:20px;color:#edf1ee;font-family:Georgia,serif;font-size:58px;line-height:1}.assessment-card h2{max-width:290px;margin-bottom:13px;font-family:STSong,Songti SC,serif;font-size:24px;line-height:1.35}.assessment-card>p{color:var(--muted);font-size:11px;line-height:1.8}.required-chip,.job-chip{display:inline-flex;width:fit-content;margin:2px 0 13px;padding:5px 8px;border-radius:99px;background:#fff1d2;color:#7d5b18;font-size:9px;font-weight:750}.job-chip{background:#e9f0fa;color:var(--navy)}.assessment-empty{margin:16px 0;color:var(--muted);font-size:11px;line-height:1.7}.assessment-last{display:flex;margin:auto 0 14px;padding:13px 0;align-items:center;justify-content:space-between;gap:14px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.assessment-last strong,.assessment-last small{display:block}.assessment-last strong{margin-bottom:5px;font-size:11px}.assessment-last small{color:var(--muted);font-size:9px}.assessment-last b{color:var(--teal);font-size:10px;white-space:nowrap}.assessment-card>.primary-button{width:100%;margin-top:auto}.review-count-row{display:grid;margin:8px 0 12px;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.review-count-row>div{padding:14px 7px;border-right:1px solid var(--line);text-align:center}.review-count-row>div:last-child{border-right:0}.review-count-row strong,.review-count-row span{display:block}.review-count-row strong{margin-bottom:3px;font-size:20px}.review-count-row span{color:var(--muted);font-size:8px}.assessment-card .next-review{margin:auto 0 14px;color:var(--muted);font-size:10px}.railway-job-panel{margin-top:20px;padding:30px}.railway-job-panel .section-heading p{margin:5px 0 0;color:var(--muted);font-size:11px}.railway-job-grid{display:grid;margin-top:22px;grid-template-columns:repeat(4,minmax(0,1fr));gap:9px}.railway-job-grid button{display:grid;min-height:138px;padding:15px;align-content:start;border:1px solid var(--line);border-radius:10px;background:#fafbf9;color:var(--ink);text-align:left}.railway-job-grid button:hover,.railway-job-grid button.selected{border-color:#8fbeb5;background:#edf5f2}.railway-job-grid button.selected{box-shadow:inset 0 0 0 1px #0c6b611f}.railway-job-grid span{color:var(--teal);font-size:8px;font-weight:750}.railway-job-grid strong{margin:7px 0;font-family:STSong,Songti SC,serif;font-size:18px}.railway-job-grid small{color:var(--muted);font-size:9px;line-height:1.65}.result-learning-path{margin-bottom:20px;padding:30px}.learning-path-list{display:grid;margin:5px 0 0;padding:0;list-style:none}.learning-path-list li{display:grid;padding:14px 0;grid-template-columns:34px minmax(0,1fr) auto;gap:13px;align-items:center;border-top:1px solid var(--line)}.learning-path-list>li>b{color:var(--gold);font-family:Georgia,serif;font-size:15px}.learning-path-list strong,.learning-path-list small{display:block}.learning-path-list strong{margin-bottom:4px;font-size:12px}.learning-path-list small{color:var(--muted);font-size:9px;line-height:1.6}.learning-path-list em{color:var(--teal);font-size:12px;font-style:normal;font-weight:800}.result-analysis-strip{display:grid;margin-top:16px;padding:18px;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;border-radius:9px;background:#edf2ee}.result-analysis-strip span,.result-analysis-strip strong{display:block}.result-analysis-strip span{margin-bottom:6px;color:var(--muted);font-size:9px}.result-analysis-strip strong{margin-top:4px;font-size:10px;line-height:1.6}.report-filters{display:flex;margin:-10px 0 24px;align-items:center;justify-content:space-between;gap:18px}.report-filters>div{display:inline-flex;padding:4px;border:1px solid var(--line);border-radius:9px;background:#e9eeea}.report-filters button{min-width:84px;height:36px;border:0;border-radius:6px;background:transparent;color:var(--muted);font-size:11px;font-weight:750}.report-filters button.active{background:#fff;color:var(--teal-dark);box-shadow:0 3px 12px #1f322d14}.report-filters select{height:42px;padding:0 36px 0 12px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink);font:inherit;font-size:11px}.report-metrics{display:grid;margin-bottom:20px;grid-template-columns:repeat(5,minmax(0,1fr));border:1px solid var(--line);border-radius:var(--radius);background:#fff}.report-metrics article{padding:24px 20px;border-right:1px solid var(--line)}.report-metrics article:last-child{border-right:0}.report-metrics span,.report-metrics strong{display:block}.report-metrics span{margin-bottom:7px;color:var(--muted);font-size:9px}.report-metrics strong{font-size:19px}.report-grid{display:grid;margin-bottom:20px;grid-template-columns:minmax(0,1.2fr) minmax(270px,.8fr);gap:20px}.weakness-panel,.mastery-panel,.mock-trend-panel{padding:30px}.weakness-panel h2,.mastery-panel h2,.mock-trend-panel h2{font-family:STSong,Songti SC,serif;font-size:23px}.weakness-panel ol{display:grid;margin:18px 0 0;padding:0;list-style:none}.weakness-panel li{display:grid;padding:14px 0;grid-template-columns:27px minmax(0,1fr) auto;gap:10px;align-items:center;border-top:1px solid var(--line)}.weakness-panel li>b{color:var(--gold);font-family:Georgia,serif}.weakness-panel li strong,.weakness-panel li small{display:block}.weakness-panel li strong{margin-bottom:4px;font-size:11px}.weakness-panel li small{color:var(--muted);font-size:9px}.weakness-panel li em{color:var(--red);font-size:11px;font-style:normal;font-weight:800}.mastery-panel>div{display:flex;padding:14px 0;align-items:center;justify-content:space-between;border-top:1px solid var(--line)}.mastery-panel>div span{color:var(--muted);font-size:10px}.mastery-panel>div strong{font-size:12px}.mock-trend-list{display:grid;margin-top:18px}.mock-trend-list a{display:grid;padding:14px 0;grid-template-columns:minmax(180px,.8fr) minmax(160px,1.4fr) 50px;gap:18px;align-items:center;border-top:1px solid var(--line)}.mock-trend-list strong,.mock-trend-list small{display:block}.mock-trend-list strong{margin-bottom:4px;font-size:11px}.mock-trend-list small{color:var(--muted);font-size:9px}.mock-trend-list i{height:7px;overflow:hidden;border-radius:99px;background:#e7ece8}.mock-trend-list i b{display:block;height:100%;border-radius:inherit;background:var(--teal)}.mock-trend-list em{color:var(--teal);font-size:11px;font-style:normal;font-weight:800;text-align:right}@media(max-width:1100px){.assessment-grid{grid-template-columns:1fr}.assessment-card{min-height:auto}.assessment-last,.assessment-card .next-review{margin-top:18px}.railway-job-grid,.report-metrics{grid-template-columns:repeat(3,minmax(0,1fr))}.report-metrics article:nth-child(3){border-right:0}.report-metrics article:nth-child(-n+3){border-bottom:1px solid var(--line)}}@media(max-width:760px){.dashboard-diagnostic-strip,.assessment-access-note,.report-filters{grid-template-columns:1fr;align-items:stretch;flex-direction:column}.dashboard-diagnostic-strip{padding:22px 19px}.dashboard-diagnostic-actions{grid-template-columns:1fr}.assessment-card,.railway-job-panel,.result-learning-path,.weakness-panel,.mastery-panel,.mock-trend-panel{padding:22px 19px}.railway-job-grid,.report-grid{grid-template-columns:1fr}.railway-job-grid button{min-height:auto}.result-analysis-strip{grid-template-columns:1fr}.report-filters select{width:100%}.report-metrics{grid-template-columns:repeat(2,minmax(0,1fr))}.report-metrics article,.report-metrics article:nth-child(3){border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.report-metrics article:nth-child(2n){border-right:0}.report-metrics article:last-child{border-bottom:0}.mock-trend-list a{grid-template-columns:1fr 44px}.mock-trend-list i{grid-column:1 / -1;grid-row:2}}.question-import-panel{margin-bottom:22px;padding:28px}.question-import-panel .panel-heading{align-items:flex-start}.question-import-grid{display:grid;margin-top:22px;grid-template-columns:minmax(0,1.4fr) minmax(260px,.6fr);gap:14px}.file-drop,.import-policy{min-height:126px;padding:22px;border-radius:13px}.file-drop{display:flex;justify-content:center;border:1px dashed #aebdb8;background:#f8faf8;flex-direction:column;cursor:pointer}.file-drop:hover{border-color:var(--teal);background:#f0f7f4}.file-drop strong,.file-drop span,.import-policy strong,.import-policy small{display:block}.file-drop span,.import-policy small{margin-top:7px;color:var(--muted);font-size:12px;line-height:1.65}.file-drop input{margin-top:15px;border:0;background:transparent;box-shadow:none}.import-policy{border:1px solid #d6e3dd;background:#edf5f2}.import-policy>span{color:var(--teal);font-size:11px;font-weight:800;letter-spacing:.12em}.import-policy strong{margin-top:10px;color:var(--teal-dark);font-size:18px}.import-preview,.import-result{margin-top:18px;padding:18px 20px;border:1px solid var(--line);border-radius:12px;background:#fbfcfa}.import-preview>div{display:flex;justify-content:space-between;gap:12px}.import-preview span,.import-result span{color:var(--muted);font-size:12px}.import-preview ul,.import-result ul{margin:14px 0;padding-left:20px;color:var(--muted);font-size:12px;line-height:1.7}.import-preview .primary-button{width:100%}.import-result{display:flex;align-items:center;gap:18px;border-color:#bdd9cf;background:#edf7f3}.import-result details{margin-left:auto}.import-result summary{color:var(--teal);cursor:pointer;font-size:12px;font-weight:700}.question-stat-grid{display:grid;margin-bottom:16px;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.question-stat-grid button{display:flex;min-height:84px;padding:18px 21px;align-items:center;justify-content:space-between;border:1px solid var(--line);border-radius:13px;background:var(--paper);color:var(--muted);text-align:left}.question-stat-grid button:hover{border-color:#a9c7be}.question-stat-grid strong{color:var(--ink);font-size:28px}.question-filter-panel{display:grid;margin-bottom:19px;padding:15px;grid-template-columns:minmax(220px,1.4fr) 150px minmax(170px,.7fr) 135px auto;gap:10px;border:1px solid var(--line);border-radius:13px;background:var(--paper)}.question-filter-panel input,.question-filter-panel select{min-height:44px;padding:0 13px;border:1px solid #cfd8d4;border-radius:8px;background:#fff;color:var(--ink);font:inherit}.question-filter-panel input:focus,.question-filter-panel select:focus{border-color:var(--teal);outline:0;box-shadow:0 0 0 3px #0c6b611c}.question-list-heading{display:flex;margin:8px 2px 12px;align-items:center;justify-content:space-between;color:var(--muted);font-size:12px}.question-list-heading strong{color:var(--ink)}.admin-question-list{display:grid;gap:13px}.admin-question-card{padding:23px 25px;border:1px solid var(--line);border-radius:15px;background:var(--paper);box-shadow:0 8px 26px #1f322d0a}.question-card-head,.question-card-head>div{display:flex;align-items:center;gap:8px}.question-card-head{justify-content:space-between}.question-card-head span,.question-card-head code{color:var(--muted);font-size:11px}.question-card-head code{padding:5px 8px;border-radius:6px;background:#f2f4f1}.question-card-head .question-status{padding:5px 9px;border-radius:99px;font-weight:800}.question-card-head .status-draft{background:#fff4d9;color:#8b6418}.question-card-head .status-published{background:#e6f4ee;color:#116c55}.question-card-head .status-archived{background:#ecefed;color:#68736f}.admin-question-card h3{margin:18px 0 13px;font-size:16px;line-height:1.65}.admin-question-options{display:grid;margin:0;padding-left:27px;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 28px;color:var(--muted);font-size:13px;line-height:1.55}.admin-question-options .is-answer{color:var(--teal);font-weight:750}.question-explanation{display:grid;margin-top:17px;padding:13px 15px;grid-template-columns:45px minmax(0,1fr);gap:8px;border-radius:9px;background:#f6f8f5;font-size:12px}.question-explanation p{margin:0;color:var(--muted);line-height:1.7}.question-source-line{display:flex;margin-top:14px;flex-wrap:wrap;align-items:center;gap:8px 13px;color:var(--muted);font-size:11px}.question-source-line strong{color:var(--gold)}.question-source-line a{color:var(--teal);text-decoration:underline;text-underline-offset:3px}.question-source-line small{width:100%;line-height:1.55}.question-review-meta{margin:12px 0 0;color:#7c8783;font-size:11px}.admin-question-card .question-actions{margin-top:18px;justify-content:flex-end}.admin-question-card .question-actions .compact-button{min-height:36px}.admin-question-card .danger-text{color:var(--danger)}.pagination{display:flex;margin-top:18px;justify-content:flex-end;gap:9px}@media(max-width:1100px){.question-filter-panel{grid-template-columns:repeat(2,minmax(0,1fr))}.question-filter-panel .primary-button{grid-column:1 / -1}}@media(max-width:760px){.question-import-panel{padding:21px 18px}.question-import-panel .panel-heading,.question-import-grid,.question-filter-panel,.admin-question-options{grid-template-columns:1fr}.question-import-panel .panel-heading{display:grid;gap:14px}.question-import-panel .panel-heading .outline-button{width:100%}.import-result{align-items:flex-start;flex-direction:column}.import-result details{margin-left:0}.question-stat-grid{gap:7px}.question-stat-grid button{min-height:74px;padding:13px;align-items:flex-start;flex-direction:column}.question-stat-grid strong{font-size:23px}.question-filter-panel .primary-button{grid-column:auto}.admin-question-card{padding:20px 17px}.question-card-head{align-items:flex-start;flex-direction:column}.question-card-head>div{flex-wrap:wrap}.admin-question-card .question-actions{align-items:stretch;flex-direction:column}.admin-question-card .question-actions button{width:100%}}.question-primary-actions{display:flex;margin-bottom:18px;padding:18px 20px;align-items:center;justify-content:space-between;gap:18px;border:1px solid #c9ddd6;border-radius:14px;background:#edf6f2}.question-primary-actions strong,.question-primary-actions span{display:block}.question-primary-actions strong{color:var(--teal-dark)}.question-primary-actions span{margin-top:5px;color:var(--muted);font-size:12px}.question-editor-panel{margin-bottom:22px;padding:29px;border-color:#afcbc2}.question-editor-form{display:grid;margin-top:24px;gap:18px}.editor-field-grid,.editor-source-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.editor-source-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.question-editor-form label{display:grid;gap:7px;color:var(--ink);font-size:12px;font-weight:700}.question-editor-form input,.question-editor-form select,.question-editor-form textarea,.mapping-builder select{width:100%;min-height:44px;padding:10px 12px;border:1px solid #cbd6d1;border-radius:8px;background:#fff;color:var(--ink);font:inherit}.question-editor-form textarea{resize:vertical;line-height:1.65}.question-editor-form input:focus,.question-editor-form select:focus,.question-editor-form textarea:focus,.mapping-builder select:focus{border-color:var(--teal);outline:0;box-shadow:0 0 0 3px #0c6b611c}.editor-answer-grid{display:grid;grid-template-columns:minmax(0,1fr) 150px;gap:14px;align-items:start}.mapping-editor{padding:19px;border:1px solid var(--line);border-radius:12px;background:#f7f9f6}.mapping-editor>div:first-child strong,.mapping-editor>div:first-child small{display:block}.mapping-editor>div:first-child small{margin-top:5px;color:var(--muted)}.mapping-builder{display:grid;margin-top:15px;grid-template-columns:minmax(180px,.8fr) minmax(260px,1.5fr) 140px auto;gap:9px}.mapping-chip-list{display:flex;margin-top:13px;flex-wrap:wrap;gap:8px}.mapping-chip-list button{display:inline-flex;min-height:34px;padding:5px 10px;align-items:center;gap:8px;border:1px solid #bfd3cc;border-radius:99px;background:#eaf3ef;color:var(--teal-dark);font-size:11px}.mapping-chip-list button:hover{border-color:var(--danger);background:#faeeee;color:var(--danger)}.mapping-chip-list button b{font-size:15px}.mapping-chip-list>span{color:var(--muted);font-size:12px}.editor-submit-row{display:flex;padding-top:5px;align-items:center;justify-content:space-between;gap:18px}.editor-submit-row>span{color:var(--muted);font-size:12px}.question-mapping-summary{display:flex;margin-top:14px;flex-wrap:wrap;align-items:center;gap:7px}.question-mapping-summary strong{margin-right:4px;font-size:11px}.question-mapping-summary span,.question-mapping-summary em{padding:5px 8px;border-radius:6px;background:#f0f3f0;color:var(--muted);font-size:10px;font-style:normal}.question-mapping-summary em{background:#fff4d9;color:#8b6418}.dual-review-panel{display:flex;margin-top:15px;padding:13px 15px;align-items:center;justify-content:space-between;gap:15px;border:1px solid #d7e0dc;border-radius:10px;background:#fbfcfa}.dual-review-panel strong,.dual-review-panel small{display:block}.dual-review-panel strong{color:var(--teal-dark);font-size:12px}.dual-review-panel small{margin-top:4px;color:var(--muted);font-size:10px;line-height:1.5}.reviewer-list{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:6px}.reviewer-list span{padding:5px 8px;border-radius:99px;font-size:10px;font-weight:750}.reviewer-list .review-approved{background:#e5f4ed;color:#156e58}.reviewer-list .review-returned{background:#fae9e7;color:var(--danger)}.knowledge-overview{display:grid;margin:24px 0;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.knowledge-overview article{padding:20px;border:1px solid #dbe2dd;border-radius:14px;background:linear-gradient(145deg,#fff,#f3f7f3)}.knowledge-overview strong,.knowledge-overview span{display:block}.knowledge-overview strong{color:var(--teal-dark);font-family:STSong,Songti SC,serif;font-size:clamp(26px,3vw,38px)}.knowledge-overview span{margin-top:5px;color:var(--muted);font-size:12px}.knowledge-search-panel{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(220px,.7fr);gap:14px}.knowledge-search-panel label>span{display:block;margin-bottom:7px;color:var(--muted);font-size:11px;font-weight:750}.knowledge-search-panel input,.knowledge-search-panel select{width:100%}.knowledge-section{margin-top:34px}.knowledge-subject-grid,.knowledge-lesson-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.knowledge-subject-card header{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}.knowledge-subject-card header span,.knowledge-lesson-card>span{color:var(--teal);font-size:10px;font-weight:800;letter-spacing:.08em}.knowledge-subject-card h3,.knowledge-lesson-card h3{margin:5px 0 8px}.knowledge-subject-card header>strong{color:var(--gold);font-size:13px}.knowledge-point-list{display:grid;margin:15px 0;grid-template-columns:repeat(2,minmax(0,1fr));gap:7px}.knowledge-point-list>a{display:flex;min-width:0;padding:8px 9px;align-items:center;justify-content:space-between;gap:8px;border:1px solid transparent;border-radius:8px;background:#f2f5f2;color:var(--ink);text-decoration:none;transition:border-color .16s ease,background .16s ease,transform .16s ease}.knowledge-point-list>a:hover,.knowledge-point-list>a:focus-visible{border-color:#8fbeb5;background:#e8f3ef;outline:none;transform:translateY(-1px)}.knowledge-point-list span{overflow:hidden;font-size:11px;text-overflow:ellipsis;white-space:nowrap}.knowledge-point-list small,.knowledge-lesson-card small{color:var(--muted);font-size:10px}.knowledge-lesson-card{border-left:3px solid var(--teal)}.knowledge-lesson-card p{color:var(--muted);font-size:12px;line-height:1.7}.knowledge-lesson-card .detail-link{display:block;margin-top:15px}.railway-foundation-path{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.railway-foundation-path>a{display:grid;min-height:176px;padding:19px;grid-template-rows:auto auto 1fr auto;gap:7px;border:1px solid #d9e2dd;border-radius:12px;background:linear-gradient(145deg,#fff,#f5f8f5);color:var(--ink);text-decoration:none;transition:border-color .16s ease,box-shadow .16s ease,transform .16s ease}.railway-foundation-path>a:hover,.railway-foundation-path>a:focus-visible{border-color:#8fbeb5;box-shadow:0 10px 24px #1e453b14;outline:none;transform:translateY(-2px)}.railway-foundation-path span{color:var(--gold);font-family:STSong,Songti SC,serif;font-size:18px}.railway-foundation-path strong{font-size:14px}.railway-foundation-path small{color:var(--muted);font-size:10px;line-height:1.65}.railway-foundation-path b{color:var(--teal);font-size:10px}.knowledge-policy{margin-top:28px;padding:16px 18px;border:1px solid #e6ddc7;border-radius:12px;background:#fffaf0;color:#6f6041;font-size:11px;line-height:1.7}.question-reference-answer{margin:12px 0;padding:12px 14px;border-radius:9px;background:#edf5f2}.question-reference-answer strong{color:var(--teal-dark);font-size:11px}.question-reference-answer p{margin:5px 0 0;white-space:pre-wrap}@media(max-width:1100px){.editor-field-grid,.mapping-builder{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:760px){.question-primary-actions,.question-editor-panel .panel-heading,.editor-submit-row,.dual-review-panel{align-items:stretch;flex-direction:column}.question-primary-actions .primary-button,.editor-submit-row .primary-button{width:100%}.question-editor-panel{padding:22px 17px}.editor-field-grid,.editor-source-grid,.editor-answer-grid,.mapping-builder{grid-template-columns:1fr}.reviewer-list{justify-content:flex-start}.knowledge-overview{grid-template-columns:repeat(2,minmax(0,1fr))}.knowledge-search-panel,.knowledge-subject-grid,.knowledge-lesson-grid,.knowledge-point-list,.railway-foundation-path{grid-template-columns:1fr}}.dashboard-page{max-width:1180px;margin:0 auto}.dashboard-greeting{display:flex;margin-bottom:24px;align-items:flex-end;justify-content:space-between;gap:32px}.dashboard-greeting h1,.learning-onboarding h1{margin:0 0 10px;font-family:STSong,Songti SC,serif;font-size:clamp(32px,4vw,48px);font-weight:650;letter-spacing:-.035em;line-height:1.2}.dashboard-greeting p,.learning-onboarding p{max-width:720px;margin:0;color:var(--muted);font-size:13px;line-height:1.75}.track-switch-button{flex:0 0 auto;padding:8px 0;border:0;border-bottom:1px solid #9bb4ad;background:transparent;color:var(--teal-dark);font-size:12px;font-weight:750}.learning-workbench{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(300px,.7fr);gap:18px}.next-action-card,.quick-practice-card{min-height:330px;padding:34px;border-radius:4px var(--radius) var(--radius) var(--radius)}.next-action-card{position:relative;overflow:hidden;background:var(--teal-dark);color:#fff}.next-action-card:after{position:absolute;right:-90px;bottom:-160px;width:340px;height:340px;border:1px solid rgba(255,255,255,.12);border-radius:50%;content:"";pointer-events:none}.next-action-card .eyebrow{color:#ddc47e}.next-action-card h2,.quick-practice-card h2{max-width:680px;margin:12px 0;font-family:STSong,Songti SC,serif;font-size:clamp(27px,3vw,38px);font-weight:650;line-height:1.25}.next-action-card p{position:relative;z-index:1;max-width:650px;margin:0;color:#ffffffb8;font-size:13px;line-height:1.75}.next-action-status{position:relative;z-index:1;display:inline-flex;padding:6px 10px;border:1px solid rgba(255,255,255,.18);border-radius:99px;background:#ffffff14;color:#ffffffd1;font-size:10px;font-weight:750}.dashboard-primary-action{position:relative;z-index:1;min-width:180px;margin-top:28px;border-color:#fff;background:#fff;color:var(--teal-dark)}.dashboard-primary-action:hover{border-color:#f0e3bd;background:#f0e3bd}.quick-practice-card{display:flex;flex-direction:column;border:1px solid #cbd8d3;border-top:4px solid var(--gold);background:var(--paper)}.quick-practice-card h2{font-size:28px}.quick-practice-card>p{margin:0;color:var(--muted);font-size:12px;line-height:1.7}.quick-practice-meta{display:flex;margin:22px 0 16px;padding:13px 0;justify-content:space-between;gap:16px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);color:var(--muted);font-size:10px;font-weight:750}.quick-practice-card .outline-button{width:100%;margin-top:auto}.quick-practice-card .detail-link{margin-top:14px;text-align:center}.learning-plan-section{margin-top:38px}.dashboard-section-title{margin-top:0}.learning-plan-steps{display:grid;margin:0;padding:0;grid-template-columns:repeat(4,minmax(0,1fr));list-style:none;border:1px solid var(--line);border-radius:14px;background:var(--paper);overflow:hidden}.learning-plan-steps li{position:relative;display:grid;min-height:144px;padding:20px;grid-template-columns:36px minmax(0,1fr);gap:12px;align-content:start;border-right:1px solid var(--line)}.learning-plan-steps li:last-child{border-right:0}.learning-plan-steps li>span{display:grid;width:34px;height:34px;place-items:center;border:1px solid #cfd8d4;border-radius:50%;color:var(--muted);font-family:Georgia,serif;font-size:10px;font-weight:700}.learning-plan-steps li.completed>span{border-color:#9bc5bb;background:#e5f1ee;color:var(--teal-dark)}.learning-plan-steps li.active>span{border-color:#aac7c0;background:#f1f7f5;color:var(--teal-dark)}.learning-plan-steps li.current{background:#fbf8ef}.learning-plan-steps li.current>span{border-color:#d6b774;background:#f6ead1;color:#76571f}.learning-plan-steps strong,.learning-plan-steps small{display:block}.learning-plan-steps strong{margin:2px 0 7px;font-size:13px}.learning-plan-steps small{color:var(--muted);font-size:10px;line-height:1.55}.learning-plan-steps a{position:absolute;right:20px;bottom:18px;color:var(--teal);font-size:10px;font-weight:800}.dashboard-summary-grid{display:grid;margin-top:18px;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.dashboard-summary-grid article{min-height:148px;padding:22px;border:1px solid var(--line);border-radius:12px;background:#ffffffbd}.dashboard-summary-grid article>span{display:block;color:var(--muted);font-size:10px;font-weight:750}.dashboard-summary-grid article>strong{display:block;margin:13px 0;font-family:Georgia,STSong,serif;font-size:30px;font-weight:600}.dashboard-summary-grid article>strong small{color:var(--muted);font-family:Inter,PingFang SC,sans-serif;font-size:10px;font-weight:650}.dashboard-summary-grid article>a{color:var(--teal);font-size:10px;font-weight:800}.dashboard-summary-grid .progress-track{margin-top:25px}.track-settings{display:grid;margin-top:42px;padding-top:30px;grid-template-columns:minmax(0,1fr) auto;gap:40px;align-items:center;border-top:1px solid var(--line);scroll-margin-top:24px}.track-settings h2{margin:0 0 7px;font-family:STSong,Songti SC,serif;font-size:22px}.track-settings p{margin:0;color:var(--muted);font-size:11px}.track-settings-actions{display:flex;gap:8px}.track-settings-actions button{min-width:136px;padding:12px 14px;border:1px solid var(--line);border-radius:9px;background:var(--paper);color:var(--ink);text-align:left}.track-settings-actions button.selected{border-color:#9bc5bb;background:#e9f3f0}.track-settings-actions span,.track-settings-actions strong{display:block}.track-settings-actions span{margin-bottom:5px;color:var(--muted);font-size:9px}.track-settings-actions strong{font-size:12px}.learning-onboarding{display:grid;min-height:245px;padding:42px;grid-template-columns:minmax(0,1fr) 280px;gap:60px;align-items:center;border-radius:4px var(--radius) var(--radius) var(--radius);background:var(--teal-dark);color:#fff}.learning-onboarding .eyebrow{color:#ddc47e}.learning-onboarding p{color:#ffffffb8}.onboarding-step{padding:22px;border:1px solid rgba(255,255,255,.18);border-radius:12px;background:#ffffff12}.onboarding-step span,.onboarding-step strong{display:block}.onboarding-step span{margin-bottom:9px;color:#ddc47e;font-size:10px}.onboarding-step strong{font-size:13px;line-height:1.6}.onboarding-track-grid{display:grid;margin-top:18px;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.onboarding-track-card{padding:30px;border:1px solid var(--line);border-top:4px solid var(--teal);border-radius:4px 4px 14px 14px;background:var(--paper)}.onboarding-track-card.track-railway{border-top-color:var(--navy)}.onboarding-track-card>span{color:var(--teal);font-size:10px;font-weight:800;letter-spacing:.1em}.onboarding-track-card h2{margin:13px 0 8px;font-family:STSong,Songti SC,serif;font-size:26px}.onboarding-track-card p{min-height:48px;margin-bottom:22px;color:var(--muted);font-size:12px;line-height:1.7}.course-command-header{display:flex;margin-bottom:18px;padding:24px 26px;align-items:center;justify-content:space-between;gap:30px;border:1px solid #cadbd5;border-left:4px solid var(--teal);border-radius:4px 12px 12px 4px;background:#edf5f2}.course-command-header .eyebrow{margin-bottom:6px}.course-command-header strong{display:block;margin-bottom:5px;font-family:STSong,Songti SC,serif;font-size:21px}.course-command-header p{margin:0;color:var(--muted);font-size:11px}.course-next-lesson{margin-top:20px;padding:15px 16px;border-radius:9px;background:#f3f6f3}.course-next-lesson span,.course-next-lesson strong,.course-next-lesson small{display:block}.course-next-lesson span{margin-bottom:5px;color:var(--teal);font-size:9px;font-weight:800}.course-next-lesson strong{font-size:12px}.course-next-lesson small{margin-top:4px;color:var(--muted);font-size:9px}.course-learning-actions{display:flex;margin-top:16px;align-items:center;justify-content:space-between;gap:16px}.course-access-note{margin:16px 0 0;padding-top:13px;border-top:1px solid var(--line);color:var(--muted);font-size:9px;line-height:1.55}@media(max-width:1100px){.learning-workbench{grid-template-columns:minmax(0,1.25fr) minmax(280px,.75fr)}.learning-plan-steps{grid-template-columns:repeat(2,minmax(0,1fr))}.learning-plan-steps li:nth-child(2){border-right:0}.learning-plan-steps li:nth-child(-n+2){border-bottom:1px solid var(--line)}}@media(max-width:850px){.dashboard-greeting{align-items:flex-start;flex-direction:column;gap:12px}.learning-workbench,.learning-onboarding,.track-settings{grid-template-columns:1fr}.learning-onboarding{gap:24px}.quick-practice-card{min-height:280px}.dashboard-summary-grid{grid-template-columns:1fr}.track-settings-actions{width:100%}.track-settings-actions button{flex:1}}@media(max-width:560px){.next-action-card,.quick-practice-card,.learning-onboarding{min-height:auto;padding:24px 20px}.next-action-card h2,.quick-practice-card h2{font-size:27px}.dashboard-primary-action{width:100%}.learning-plan-steps,.onboarding-track-grid{grid-template-columns:1fr}.learning-plan-steps li{min-height:128px;border-right:0;border-bottom:1px solid var(--line)}.learning-plan-steps li:last-child{border-bottom:0}.track-settings-actions,.course-learning-actions,.course-command-header{align-items:stretch;flex-direction:column}.course-command-header .outline-button,.course-learning-actions .primary-button{width:100%}}
