:root{--navy:#102a43;--navy2:#173e53;--teal:#3c8276;--mint:#dcece4;--gold:#efb85f;--coral:#dc8167;--cream:#fbf8f1;--paper:#fffefa;--ink:#183247;--muted:#72818a;--line:#e7e5db;--serif:Georgia,'Times New Roman',serif;--sans:'DM Sans','Noto Sans TC',system-ui,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;background:var(--cream);color:var(--ink);font-family:var(--sans);line-height:1.6}button,input{font:inherit}button{color:inherit}.topbar{height:76px;padding:0 max(5vw,24px);display:flex;align-items:center;gap:36px;background:#fffefaed;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(14px)}.brand{display:flex;align-items:center;gap:11px;text-decoration:none;color:var(--navy);font-size:12px;font-weight:800;letter-spacing:.1em}.brand-icon{width:38px;height:38px;border-radius:13px;background:var(--navy);color:var(--gold);display:grid;place-items:center;font-family:var(--serif);font-size:25px}.brand small{display:block;color:var(--muted);font-size:10px;letter-spacing:.12em}.topbar nav{display:flex;gap:27px;margin:auto;font-size:13px}.topbar nav a{text-decoration:none;color:#546773}.topbar nav a:hover{color:var(--teal)}.course-chip,.tag{font-size:10px;font-weight:700;letter-spacing:.12em;color:var(--teal);background:#e8f1eb;padding:8px 12px;border-radius:99px}.hero{background:var(--navy);color:#f8f4e9;min-height:500px;display:grid;grid-template-columns:1fr 1fr;align-items:center;padding:66px max(8vw,40px);gap:42px;overflow:hidden}.hero-copy{max-width:550px}.eyebrow{font-size:10px;letter-spacing:.2em;font-weight:700;color:var(--teal);margin:0 0 14px}.hero .eyebrow{color:var(--gold)}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(42px,5.3vw,68px);line-height:1.13;letter-spacing:-.055em;margin:0 0 19px}h1 em{color:var(--gold);font-family:var(--serif);font-weight:400}.hero-lede{max-width:450px;color:#bac9c9;font-size:15px;line-height:1.9;margin-bottom:26px}.button{display:inline-flex;align-items:center;justify-content:center;gap:20px;border:0;border-radius:8px;padding:13px 18px;text-decoration:none;font-size:13px;font-weight:700;cursor:pointer;transition:transform .2s,box-shadow .2s}.button:hover{transform:translateY(-2px);box-shadow:0 8px 20px #0d26334a}.primary{background:var(--gold);color:var(--navy)}.hero-meta{font-size:11px;color:#99aeae;margin-top:22px}.pulse{display:inline-block;background:#78b392;width:7px;height:7px;border-radius:50%;margin-right:8px;box-shadow:0 0 0 4px #78b39226}.hero-visual{height:370px;position:relative;display:grid;place-items:center}.orbit{position:absolute;border:1px solid #ffffff18;border-radius:50%;width:300px;height:300px}.orbit-b{width:420px;height:420px;border-style:dashed;border-color:#ffffff0d}.money-card{position:relative;z-index:1;width:270px;padding:24px;border:1px solid #ffffff38;background:#ffffff12;border-radius:15px;box-shadow:0 25px 55px #0616206e;backdrop-filter:blur(8px)}.card-label{font-size:9px;letter-spacing:.18em;color:#afc2bb}.money-card strong{display:block;font-size:28px;margin:12px 0 0;letter-spacing:-.04em}.money-card small{color:#b6c5c0;font-size:11px}.mini-bars{height:68px;display:flex;align-items:end;gap:8px;margin-top:20px}.mini-bars i{flex:1;background:linear-gradient(var(--gold),#df9560);border-radius:4px 4px 0 0;opacity:.87}.mini-bars i:nth-child(1){height:32%}.mini-bars i:nth-child(2){height:48%}.mini-bars i:nth-child(3){height:41%}.mini-bars i:nth-child(4){height:62%}.mini-bars i:nth-child(5){height:54%}.mini-bars i:nth-child(6){height:76%}.mini-bars i:nth-child(7){height:92%}.hero-lines{position:absolute;inset:0;width:100%;height:100%;z-index:0}.bubble{position:absolute;z-index:2;padding:9px 13px;border-radius:8px;background:#f9f4e8;color:var(--navy);font-size:11px;font-weight:700;box-shadow:0 8px 24px #0003}.bubble-income{top:38px;left:7%}.bubble-cost{right:1%;top:87px}.bubble-save{bottom:44px;left:10%}.visual-caption{position:absolute;bottom:6px;right:4px;color:#8ea5a2;font-size:10px}.visual-caption b{color:#e7d7a8}.ticker{height:44px;background:var(--gold);display:flex;align-items:center;justify-content:center;gap:34px;color:var(--navy);font-size:10px;font-weight:800;letter-spacing:.17em}.ticker b{font-size:12px;color:#fff6dc}.section{padding:86px max(8vw,40px)}.section-tint{background:#f0f1e8}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:30px}.section-heading h2{font-size:34px;line-height:1.2;letter-spacing:-.04em;margin:0;color:var(--navy)}.section-heading>p{font-size:13px;color:var(--muted);max-width:380px;margin:0 0 3px}.concept-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:13px}.concept-card{position:relative;min-height:220px;padding:22px;border:1px solid var(--line);border-radius:12px;background:var(--paper);text-align:left;display:flex;flex-direction:column;align-items:flex-start;cursor:pointer;transition:.25s}.concept-card:hover,.concept-card.flipped{transform:translateY(-4px);box-shadow:0 15px 32px #18324714}.concept-icon{width:36px;height:36px;border-radius:11px;display:grid;place-items:center;background:#eef3ed;color:var(--teal);font-size:19px}.liability .concept-icon,.expense .concept-icon{background:#f8e8e1;color:var(--coral)}.concept-word{font-size:10px;letter-spacing:.14em;color:var(--teal);margin-top:20px;font-weight:800}.concept-card strong{font-size:18px;margin:1px 0 4px}.concept-card small{font-size:11px;color:var(--muted)}.flip-hint{margin-top:auto;padding-top:15px;font-size:10px;color:#9aa49e}.concept-card.flipped small{font-size:12px;color:var(--ink);line-height:1.8}.formula{margin-top:20px;padding:18px 22px;background:var(--navy);color:#dbe6df;border-radius:10px;display:flex;align-items:center;justify-content:space-between;gap:14px}.formula span{font-size:11px;color:#a6bbb4}.formula strong{color:#fff;font-size:17px;letter-spacing:.08em}.formula i{font-style:normal;color:var(--gold);padding:0 7px}.sort-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:18px}.sort-board,.risk-panel,.quiz-panel{background:var(--paper);border:1px solid var(--line);border-radius:13px;padding:24px}.sort-prompt{display:flex;gap:12px;align-items:center;padding-bottom:16px;border-bottom:1px solid var(--line)}.step-number{width:30px;height:30px;border-radius:50%;background:#e4efe8;color:var(--teal);display:grid;place-items:center;font-weight:800;font-size:12px}.sort-prompt strong,.sort-prompt small{display:block}.sort-prompt strong{font-size:13px}.sort-prompt small{font-size:10px;color:var(--muted)}.transaction-list{display:grid;gap:8px;padding-top:15px}.transaction{border:1px solid var(--line);background:white;border-radius:8px;padding:12px 14px;display:flex;justify-content:space-between;align-items:center;cursor:grab;touch-action:manipulation}.transaction:active{cursor:grabbing}.transaction.selected{outline:2px solid var(--gold);background:#fff9e9}.transaction.done{opacity:.43;pointer-events:none}.transaction span{font-size:12px;font-weight:600}.transaction small{color:var(--muted);font-size:10px}.sort-feedback{font-size:11px;color:var(--muted);margin:14px 0 0;min-height:18px}.drop-zones{display:grid;grid-template-columns:1fr 1fr;gap:10px}.drop-zone{min-height:145px;border:1px dashed #c9d7cf;border-radius:11px;background:#f9fbf6;display:flex;flex-direction:column;align-items:flex-start;justify-content:center;padding:17px;cursor:pointer;transition:.2s;text-align:left}.drop-zone:hover,.drop-zone.over{background:#e8f2eb;border-color:var(--teal);transform:scale(1.015)}.zone-symbol{font-size:18px;color:var(--teal)}.drop-zone:nth-child(2) .zone-symbol,.drop-zone:nth-child(4) .zone-symbol{color:var(--coral)}.drop-zone strong{font-size:12px;letter-spacing:.1em}.drop-zone small,.zone-items{font-size:10px;color:var(--muted)}.zone-items{margin-top:8px}.risk-section{background:var(--cream)}.risk-panel{display:grid;grid-template-columns:.9fr 1.1fr;gap:45px;padding:30px}.risk-copy h3{margin:18px 0 9px;font-size:21px}.risk-copy>p{font-size:12px;line-height:1.8;color:var(--muted);max-width:360px}.risk-copy label{display:block;font-size:12px;font-weight:700;margin-top:25px}.risk-copy output{color:var(--teal);font-size:21px;margin-left:8px}.risk-copy label span{color:var(--muted);font-size:10px}.risk-copy input{width:100%;accent-color:var(--teal);margin:15px 0}.range-labels{display:flex;justify-content:space-between;font-size:9px;letter-spacing:.1em;color:var(--muted)}.range-labels span:last-child{text-align:right}.chart-wrap{padding:10px 0}.chart-title{display:flex;justify-content:space-between;font-size:12px;font-weight:700}.chart-title small{font-size:9px;color:var(--muted);letter-spacing:.12em}.chart{height:185px;position:relative;margin-top:20px;border-left:1px solid #cbd3cc;border-bottom:1px solid #cbd3cc}.chart-grid{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:space-between}.chart-grid i{border-top:1px dashed #e2e5dd}.range-band{position:absolute;left:40%;width:16%;top:20%;height:53%;border-radius:9px;background:#6ca99688;border:1px solid #448877;display:flex;flex-direction:column;justify-content:space-between;align-items:center;padding:7px 0;color:#194f46;font-size:10px;font-weight:700;transition:all .3s}.chart-axis{position:absolute;bottom:-25px;left:0;right:0;display:flex;justify-content:space-between;color:var(--muted);font-size:9px}.risk-note{font-size:10px;color:var(--teal);margin:37px 0 0}.student-fields{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px}.field label{display:block;font-size:11px;font-weight:700;margin-bottom:6px}.field label b{color:var(--coral)}.field input{width:100%;border:1px solid #dce0d8;background:#fff;border-radius:7px;padding:11px 12px;font-size:12px;outline:none}.field input:focus{border-color:var(--teal);box-shadow:0 0 0 3px #3c827620}.privacy-note{padding:10px 13px;background:#f1f4eb;border-radius:7px;font-size:10px;color:#64766e;margin:15px 0 20px}.question-grid{display:grid;grid-template-columns:1fr 1fr;gap:11px}.question{border:1px solid var(--line);border-radius:9px;padding:14px}.question legend{font-size:12px;font-weight:700;padding:0 4px}.question legend b{color:var(--teal);font-size:10px;margin-right:5px}.question label{display:flex;gap:8px;align-items:flex-start;padding:6px 5px;border-radius:5px;font-size:11px;cursor:pointer}.question label:hover{background:#f2f5ee}.question input{accent-color:var(--teal);margin-top:3px}.quiz-footer{display:flex;align-items:center;justify-content:space-between;margin-top:20px}.quiz-footer>span{font-size:11px;color:var(--muted)}.quiz-result{margin-top:15px;padding:13px 16px;background:#eaf3eb;border-radius:8px;font-weight:700;font-size:13px}.quiz-result.error{background:#fae9e3;color:#8e412f}.closing{padding:72px 20px;text-align:center;background:var(--teal);color:#fff}.closing>span{font-size:9px;letter-spacing:.22em;color:#c5dfd2}.closing h2{font-family:var(--serif);font-size:38px;font-weight:400;line-height:1.3;margin:15px 0 22px}.light{background:#fff7e6;color:var(--navy);font-size:11px}footer{display:flex;justify-content:space-between;padding:19px max(8vw,40px);background:var(--navy);color:#a9bbb5;font-size:9px;letter-spacing:.08em}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #efb85f;outline-offset:3px}@media(max-width:900px){.topbar{gap:16px}.topbar nav{gap:14px}.course-chip{display:none}.hero{padding:55px 6vw;gap:20px}.section{padding:68px 6vw}.concept-grid{grid-template-columns:repeat(2,1fr)}.sort-layout{grid-template-columns:1fr}.drop-zone{min-height:120px}}@media(max-width:620px){.topbar{height:auto;min-height:66px;padding:10px 17px;flex-wrap:wrap;gap:8px}.brand{font-size:10px}.brand-icon{width:32px;height:32px}.topbar nav{order:3;width:100%;overflow:auto;gap:20px;padding:2px 0 5px;justify-content:flex-start;white-space:nowrap;font-size:11px}.hero{grid-template-columns:1fr;padding:47px 24px 36px;gap:0}.hero-visual{height:290px;margin-top:4px}.money-card{width:235px;padding:19px}.orbit{width:240px;height:240px}.orbit-b{width:325px;height:325px}.bubble-income{left:0}.bubble-cost{right:0}.bubble-save{bottom:25px}.section{padding:55px 20px}.section-heading{display:block}.section-heading h2{font-size:29px}.section-heading>p{margin-top:10px}.concept-grid{gap:9px}.concept-card{min-height:208px;padding:16px}.concept-card small{font-size:10px}.formula{align-items:flex-start;flex-direction:column;gap:3px}.formula strong{font-size:15px}.drop-zones{gap:8px}.drop-zone{min-height:112px;padding:12px}.risk-panel{grid-template-columns:1fr;padding:19px;gap:24px}.student-fields{grid-template-columns:1fr}.question-grid{grid-template-columns:1fr}.quiz-panel{padding:17px}.quiz-footer{align-items:flex-start;gap:10px;flex-direction:column}footer{padding:18px 20px;gap:12px;flex-direction:column}}
body{font-size:18px}
.brand{font-size:13px}.brand small{font-size:11px}.topbar nav{font-size:15px}
.course-chip,.tag{font-size:11px}.eyebrow{font-size:12px}
.hero-lede{font-size:18px}.button{font-size:15px}.hero-meta{font-size:13px}
.card-label{font-size:10px}.money-card small{font-size:12px}.bubble{font-size:13px}.visual-caption{font-size:12px}
.ticker{font-size:12px}.section-heading h2{font-size:38px}.section-heading>p{font-size:15px}
.concept-word{font-size:12px}.concept-card strong{font-size:21px}.concept-card small{font-size:14px}.flip-hint{font-size:12px}
.formula span{font-size:13px}.formula strong{font-size:19px}
.sort-prompt strong{font-size:15px}.sort-prompt small{font-size:12px}.transaction span{font-size:14px}.transaction small{font-size:12px}.sort-feedback{font-size:13px}
.drop-zone strong{font-size:14px}.drop-zone small,.zone-items{font-size:12px}
.risk-copy>p{font-size:14px}.risk-copy label{font-size:14px}.chart-title{font-size:14px}.chart-title small{font-size:11px}.range-labels{font-size:11px}.risk-note{font-size:12px}
.field label{font-size:14px}.field input{font-size:16px}.privacy-note{font-size:13px}.question legend{font-size:15px}.question label{font-size:14px}.quiz-footer>span{font-size:13px}.quiz-result{font-size:15px}
.closing>span{font-size:11px}.light{font-size:12px}footer{font-size:12px}
@media(max-width:620px){.topbar nav{font-size:13px}.section-heading h2{font-size:32px}.concept-card small{font-size:13px}.formula strong{font-size:17px}.closing h2{font-size:34px}footer{font-size:11px}}
.vi-text{display:block;font-size:max(12px,.8em);font-weight:400;letter-spacing:normal;line-height:1.55;color:var(--muted);margin-top:3px}
.vi-inline{display:inline-block;font-size:.8em;font-weight:500;letter-spacing:normal;line-height:1.4;color:inherit;opacity:.86;margin-left:4px}
.hero-translation{max-width:450px;color:#d4d0bf;font-size:17px;line-height:1.65;margin:-8px 0 18px}
.concept-card strong .vi-text{font-size:12px;color:var(--teal);margin-top:1px}
.topbar nav .vi-inline{font-size:.72em}
.range-labels small{font:inherit;letter-spacing:normal}
.hero-lede .vi-text{color:#d4d0bf;font-size:14px}
.formula .vi-text,.closing .vi-text,footer .vi-text{color:#c5d5ce}
.term-heading{display:flex;align-items:center;justify-content:space-between;width:100%;margin-top:13px;min-height:58px}
.concept-word{margin-top:0}
.concept-image{display:block;width:58px;height:58px;object-fit:contain;flex:none}
@media(max-width:620px){.concept-image{width:52px;height:52px}.term-heading{min-height:52px}}
.risk-game{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:25px;box-shadow:0 14px 34px #1832470b}
.game-scoreboard{display:grid;grid-template-columns:170px 220px 1fr;align-items:center;gap:18px;padding:17px 19px;border-radius:10px;background:var(--navy);color:#fff;margin-bottom:23px}
.game-stat span{display:block;font-size:9px;letter-spacing:.12em;color:#b6c7c2}
.game-stat strong{display:block;font-size:25px;line-height:1.35;color:#fff}
.game-stat strong b{color:var(--gold);font-weight:700}
.game-status{font-size:12px;color:#e4e9dd;margin:0;line-height:1.5}
.game-status .vi-text{color:#c6d6cf;font-size:12px}
.game-content{display:grid;grid-template-columns:1.25fr .75fr;gap:22px}
.strategy-area,.game-log{min-width:0}
.game-subhead{display:flex;justify-content:space-between;align-items:flex-start;gap:10px;margin-bottom:13px}
.game-subhead h3{font-size:17px;margin:0;color:var(--navy)}
.game-subhead h3 .vi-text{font-size:12px;color:var(--muted)}
.game-subhead>span{font-size:9px;letter-spacing:.12em;color:var(--muted);padding-top:3px}
.strategy-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.strategy-card{min-height:160px;border:1px solid var(--line);border-radius:10px;background:#fff;text-align:left;padding:13px;cursor:pointer;transition:transform .18s,border-color .18s,background .18s}
.strategy-card:hover{transform:translateY(-2px);border-color:#8ab5a6}
.strategy-card.is-selected{border:2px solid var(--teal);background:#f2f7f1;box-shadow:0 5px 18px #3c82761b}
.strategy-card:disabled{cursor:default;opacity:.68}
.strategy-level{font-size:9px;letter-spacing:.12em;color:var(--teal);font-weight:800}
.strategy-card strong{display:block;font-size:15px;margin:9px 0 6px}
.strategy-card strong span,.strategy-card small span{display:block}
.strategy-card strong span{font-size:11px;color:var(--muted);font-weight:500}
.strategy-card small{display:block;font-size:10px;color:var(--muted);line-height:1.45}
.strategy-card small span{font-size:10px}
.strategy-meter{display:block;height:5px;margin-top:12px;background:#e9eee8;border-radius:99px;overflow:hidden}
.strategy-meter b{display:block;height:100%;width:27%;background:#76ad95;border-radius:inherit}
.strategy-card:nth-child(2) .strategy-meter b{width:57%;background:#d5ae5f}
.strategy-card:nth-child(3) .strategy-meter b{width:88%;background:#d58469}
.game-actions{display:flex;align-items:center;gap:10px;margin-top:15px;flex-wrap:wrap}
.game-actions .button{padding:11px 15px}
.game-actions .button:disabled{opacity:.55;cursor:default;transform:none;box-shadow:none}
.game-reset{background:#eef2ec;color:var(--navy)}
.game-disclaimer{font-size:11px;color:var(--muted);line-height:1.55;margin:13px 0 0}
.game-disclaimer .vi-text{font-size:11px}
.game-log{padding:15px;border-radius:10px;background:#f5f4ec;border:1px solid #e8e6dc}
.round-feedback{padding:13px;border-radius:8px;background:#fffefa;min-height:105px;font-size:12px;line-height:1.55}
.round-feedback strong{display:block;font-size:13px;color:var(--navy)}
.round-feedback p{margin:8px 0 0}
.round-feedback .vi-text{font-size:11px}
.game-history{list-style:none;margin:10px 0 0;padding:0;display:grid;gap:7px}
.game-history li{padding:8px 10px;border-left:3px solid var(--gold);background:#fffefa;border-radius:0 6px 6px 0;font-size:10px}
.game-history li strong,.game-history li span{display:block}
.game-history li span{color:var(--muted);font-size:10px;margin-top:2px}
.game-result{margin-top:10px;padding:12px;border-radius:8px;background:#e5f0e8;color:#234d42;font-size:12px;line-height:1.55;font-weight:700}
.game-result .vi-text{font-size:11px;color:#486c60}
@media(max-width:900px){.game-scoreboard{grid-template-columns:130px 175px 1fr;gap:12px}.game-content{grid-template-columns:1fr}}
@media(max-width:620px){.risk-game{padding:15px}.game-scoreboard{grid-template-columns:1fr 1fr;padding:14px;gap:10px}.game-status{grid-column:1/-1;border-top:1px solid #ffffff25;padding-top:9px}.game-stat strong{font-size:22px}.strategy-grid{grid-template-columns:1fr}.strategy-card{min-height:unset;padding:12px}.strategy-meter{margin-top:8px}.game-log{padding:12px}}

/* Stock-index English activity */
.index-lab{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:24px;box-shadow:0 14px 34px #1832470b}
.index-lab-top{display:flex;justify-content:space-between;align-items:center;gap:18px;margin-bottom:18px}
.index-kicker,.index-chart-heading,.index-question-label{font-size:10px;letter-spacing:.11em;font-weight:800;color:var(--teal)}
.index-lab-top h3{margin:5px 0 0;font-size:21px;color:var(--navy)}
.index-lab-top h3 .vi-text{font-size:12px;margin-top:3px}
.index-progress{display:flex;align-items:center;gap:14px;text-align:right;color:var(--muted);font-size:12px}
.index-progress span,.index-progress span span{display:block}.index-progress span span{font-size:10px}.index-progress strong{background:var(--navy);color:white;border-radius:9px;padding:9px 13px;font-size:19px;white-space:nowrap}
.index-chart-card,.index-question-card{border:1px solid var(--line);border-radius:10px;background:#fff;padding:17px 19px;margin-top:14px}
.index-chart-heading{display:flex;justify-content:space-between;gap:12px;align-items:center}.index-chart-heading small{font-size:9px;color:var(--muted);letter-spacing:normal}.index-demo-tag{background:#f5eee2;color:#8a6331;padding:5px 8px;border-radius:99px;font-size:9px;white-space:nowrap}
.index-chart{display:block;width:100%;height:auto;max-height:260px;margin-top:8px;overflow:visible}.index-chart line{stroke:#e8eceb;stroke-width:1}.index-chart polyline{fill:none;stroke:#13877d;stroke-width:4;stroke-linecap:round;stroke-linejoin:round;transition:all .3s}.index-chart circle{fill:#13877d;stroke:white;stroke-width:3}.index-chart text{fill:#72817f;font-size:11px}
.index-values{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.index-values>div{padding:10px 12px;background:#f5f7f5;border-radius:8px}.index-values span,.index-values span span{display:block;font-size:10px;color:var(--muted)}.index-values strong{display:block;margin-top:3px;color:var(--navy);font-size:19px}.index-values .index-change strong{color:var(--teal)}
.index-question-label{margin:0}.index-question-label span{font-weight:500;letter-spacing:normal;color:var(--muted)}.index-question-card h4{font-size:17px;color:var(--navy);margin:8px 0 14px}.index-question-card h4 .vi-text{font-size:12px;margin-top:3px}
.index-options{display:grid;gap:9px}.index-option{width:100%;text-align:left;border:1px solid var(--line);border-radius:8px;background:#fff;padding:11px 14px;color:var(--navy);cursor:pointer;font:inherit;transition:border-color .15s,background .15s}.index-option:hover,.index-option.is-selected{border-color:var(--teal);background:#f0f8f6}.index-option strong,.index-option span{display:block}.index-option strong{font-size:14px}.index-option span{font-size:11px;margin-top:3px;color:#52636a}.index-option .vi-text{font-size:11px;color:var(--muted)}.index-option.is-correct{border-color:#39846d;background:#eaf5ef}.index-option.is-incorrect{border-color:#bd6b57;background:#fff1ed}.index-option:disabled{cursor:default}
.index-controls{display:flex;flex-wrap:wrap;gap:9px;margin-top:14px}.index-feedback,.index-result{padding:11px 13px;border-radius:8px;margin:12px 0 0;background:#f0f5f4;color:var(--navy);font-size:12px;line-height:1.6}.index-feedback .vi-text,.index-result .vi-text{font-size:11px}.index-feedback.is-correct{background:#eaf5ef;color:#235a48}.index-feedback.is-incorrect{background:#fff1ed;color:#8a4839}.index-disclaimer{font-size:10px;line-height:1.55;color:var(--muted);margin:13px 2px 0}.index-disclaimer .vi-text{font-size:10px}
@media(max-width:620px){.index-lab{padding:14px}.index-lab-top{align-items:flex-start}.index-lab-top h3{font-size:18px}.index-progress{gap:7px;font-size:10px}.index-progress strong{padding:8px 10px}.index-chart-card,.index-question-card{padding:13px}.index-chart-heading{align-items:flex-start;font-size:9px}.index-chart-heading small{display:block}.index-values{gap:6px}.index-values>div{padding:8px}.index-values span,.index-values span span{font-size:9px}.index-values strong{font-size:16px}.index-option{padding:10px}.index-option strong{font-size:13px}}

/* Editorial stock-index artwork */
.index-section-visual{display:grid;grid-template-columns:minmax(150px,1fr) minmax(165px,220px);align-items:center;gap:17px;max-width:570px}
.index-section-visual>p{font-size:15px;color:var(--muted);margin:0 0 3px}
.index-section-image{position:relative;margin:0;overflow:hidden;border:1px solid #ffffff;border-radius:12px;box-shadow:0 13px 30px #1832471c;background:#e8eee8}
.index-section-image img{display:block;width:100%;aspect-ratio:1.55;object-fit:cover}
.index-section-image figcaption{padding:6px 9px;background:#fffefa;color:var(--teal);font-size:9px;font-weight:800;letter-spacing:.06em;text-align:center}
@media(max-width:900px){.index-section-visual{grid-template-columns:minmax(160px,1fr) minmax(180px,.9fr);max-width:none}}
@media(max-width:620px){.index-section-visual{grid-template-columns:minmax(0,1fr) 145px;gap:11px;margin-top:12px}.index-section-visual>p{font-size:13px}.index-section-image figcaption{font-size:8px;padding:5px 4px}}

/* Teacher dashboard shortcut */
.teacher-dashboard-link{display:inline-flex;align-items:center;justify-content:center;margin-left:0;padding:9px 13px;border:1px solid #25445a;border-radius:8px;background:var(--navy);color:#fff;text-decoration:none;font-size:12px;font-weight:800;white-space:nowrap;box-shadow:0 5px 15px #102a4318;transition:transform .2s,background .2s,box-shadow .2s}
.teacher-dashboard-link:hover{transform:translateY(-2px);background:var(--navy2);box-shadow:0 8px 18px #102a4325;color:#fff}
@media(max-width:900px){.teacher-dashboard-link{font-size:11px;padding:8px 10px}}
@media(max-width:620px){.teacher-dashboard-link{margin-left:auto;padding:8px 10px;font-size:11px}}

/* Finance English teacher dashboard */
.admin-page{min-height:100vh;background:#f3f5f1;padding:38px 20px}
.admin-shell{max-width:1120px;margin:0 auto}
.admin-header{display:flex;justify-content:space-between;align-items:center;gap:24px;padding:30px;border-radius:15px;background:var(--navy);color:#fff;box-shadow:0 18px 45px #102a4320}
.admin-header .eyebrow{color:var(--gold)}
.admin-header h1{font-size:clamp(28px,4vw,42px);letter-spacing:-.04em;margin:0;color:#fff}
.admin-lede{margin:8px 0 0;color:#c3d0cd;font-size:14px}
.admin-lede span{display:block;font-size:12px}
.admin-actions{display:flex;flex-wrap:wrap;gap:9px;justify-content:flex-end}
.admin-actions .button{font-size:13px;padding:11px 14px}
.admin-actions button:disabled{opacity:.65;cursor:wait}
.admin-home{background:#ffffff20;color:#fff;border:1px solid #ffffff45}
.admin-home:hover{color:#fff}
.admin-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:18px 0}
.admin-stat,.admin-card{border:1px solid var(--line);border-radius:12px;background:var(--paper);box-shadow:0 8px 24px #18324708}
.admin-stat{padding:18px 20px}
.admin-stat span{display:block;color:var(--muted);font-size:11px;font-weight:700;letter-spacing:.08em}
.admin-stat strong{display:block;color:var(--navy);font-size:26px;margin-top:4px}
.admin-card{padding:22px}
.admin-card-heading{display:flex;justify-content:space-between;align-items:center;gap:16px}
.admin-card-heading h2{font-size:22px;color:var(--navy);margin:0}
.admin-card-heading p{font-size:12px;color:var(--muted);margin:4px 0 0}
.admin-lock{border-radius:99px;padding:7px 10px;background:#e8f1eb;color:#356b60;font-size:11px;font-weight:700;white-space:nowrap}
.records-status{margin:18px 0 0;padding:13px 15px;border-radius:8px;background:#f1f4eb;color:#546773;font-size:13px}
.records-status.is-error{background:#fff0eb;color:#954a38}
.admin-table-wrap{overflow-x:auto;margin-top:12px}
.admin-table{width:100%;border-collapse:collapse;min-width:720px;font-size:13px}
.admin-table th,.admin-table td{text-align:left;padding:12px 10px;border-bottom:1px solid var(--line)}
.admin-table th{background:#f3f5f1;color:#556671;font-size:11px;white-space:nowrap}
.admin-table tbody tr:hover{background:#f8faf6}
.admin-privacy{margin:14px 2px;color:var(--muted);font-size:11px}
@media(max-width:700px){.admin-page{padding:18px 13px}.admin-header{display:block;padding:22px}.admin-actions{justify-content:flex-start;margin-top:18px}.admin-stats{grid-template-columns:1fr;gap:9px}.admin-stat{padding:13px 16px}.admin-stat strong{font-size:22px}.admin-card{padding:16px}.admin-card-heading{align-items:flex-start;flex-direction:column}.admin-card-heading h2{font-size:20px}}

/* Finance-business hero photography */
.hero-business-image{position:absolute;inset:0 0 30px;width:100%;height:calc(100% - 30px);z-index:0;object-fit:cover;object-position:48% center;border:1px solid #ffffff35;border-radius:18px;opacity:.66;filter:saturate(.78);box-shadow:0 20px 42px #0616203d}
.hero-visual::after{content:"";position:absolute;inset:0 0 30px;border-radius:18px;background:linear-gradient(90deg,#102a4380 0%,#102a434a 52%,#102a4366 100%);pointer-events:none;z-index:1}
.hero-lines{z-index:2}.orbit{z-index:2}.money-card{z-index:3}.bubble{z-index:4}.visual-caption{z-index:4}
@media(max-width:620px){.hero-business-image,.hero-visual::after{inset:0 0 26px;height:calc(100% - 26px);border-radius:15px}.hero-visual{isolation:isolate}}

/* Brighter finance-course colors and section art */
.section-tint{background:linear-gradient(135deg,#eef7f6 0%,#f3effd 100%)}
#learn{background:linear-gradient(135deg,#fffaf0 0%,#edf8f4 100%)}
#sort{background:linear-gradient(135deg,#edf6ff 0%,#f8efff 100%)}
#risk{background:linear-gradient(135deg,#fff5e8 0%,#eaf6f3 100%)}
#quiz{background:linear-gradient(135deg,#fff0f2 0%,#fff8e8 100%)}
#learn .eyebrow{color:#258c78}#sort .eyebrow{color:#d9793f}#risk .eyebrow{color:#6176bc}#quiz .eyebrow{color:#c85870}
.concept-card{border-top:3px solid #52ae96}.concept-card.liability{border-top-color:#e1856e}.concept-card.revenue{border-top-color:#e9ad40}.concept-card.expense{border-top-color:#8d78cf}
.drop-zone[data-category="asset"]{background:linear-gradient(145deg,#effaf4,#e4f4ed);border-color:#9dccb4}.drop-zone[data-category="liability"]{background:linear-gradient(145deg,#fff5ef,#fae8df);border-color:#e8b3a1}.drop-zone[data-category="revenue"]{background:linear-gradient(145deg,#eef7ff,#e3effb);border-color:#a4c1e5}.drop-zone[data-category="expense"]{background:linear-gradient(145deg,#f5f1ff,#eee7fa);border-color:#c3b4e4}
.ticker{background:linear-gradient(90deg,#d8efe7,#e8e5fb,#fff0df)}.ticker span{padding:6px 11px;border-radius:99px;background:#fffefa;color:#176959;box-shadow:0 3px 10px #1832470c}.ticker span:nth-of-type(2){color:#bc642c;background:#fff3e8}.ticker span:nth-of-type(3){color:#3e67a4;background:#edf4ff}.ticker span:nth-of-type(4){color:#725aa9;background:#f3eeff}.ticker span:nth-of-type(5){color:#9b6b17;background:#fff7df}.ticker b{color:#df865d}
.course-section-visual{display:grid;grid-template-columns:minmax(150px,1fr) minmax(165px,220px);align-items:center;gap:17px;max-width:570px}.course-section-visual>p{font-size:15px;color:var(--muted);margin:0 0 3px}.course-section-art{position:relative;margin:0;overflow:hidden;border:1px solid #fff;border-radius:12px;box-shadow:0 13px 30px #1832471c;background:#f2f4f1}.course-section-art img{display:block;width:100%;aspect-ratio:1.55;object-fit:cover}.course-section-art figcaption{padding:6px 8px;background:#fffefa;color:var(--teal);font-size:9px;font-weight:800;letter-spacing:.045em;text-align:center}
@media(max-width:900px){.course-section-visual{grid-template-columns:minmax(160px,1fr) minmax(180px,.9fr);max-width:none}}
@media(max-width:620px){.course-section-visual{grid-template-columns:minmax(0,1fr) 145px;gap:11px;margin-top:12px}.course-section-visual>p{font-size:13px}.course-section-art figcaption{font-size:8px;padding:5px 4px}}

.classroom-page{min-height:100vh;background:linear-gradient(145deg,#edf6f4,#eef1fb 55%,#fff7e8);padding:38px 20px 70px}.classroom-shell{max-width:1040px;margin:0 auto}.classroom-header,.classroom-section-heading{display:flex;align-items:center;justify-content:space-between;gap:20px}.classroom-header{margin-bottom:26px}.classroom-header h1{margin:5px 0 8px;color:#15384a}.classroom-header>div>p:last-child,.classroom-card>p{color:#687b84}.classroom-header-actions{display:flex;gap:9px}.classroom-card{background:#fff;border:1px solid #e4eceb;border-radius:22px;padding:25px;margin:18px 0;box-shadow:0 16px 45px #1938490d}.classroom-card h2{margin:0 0 8px;color:#173849}.classroom-lookup>label,.teacher-login-form>label{display:block;font-size:14px;font-weight:800;margin-bottom:8px;color:#284c5a}.classroom-lookup>div,.teacher-login-form>div{display:flex;gap:10px}.classroom-lookup input,.teacher-login-form input,.class-form input,.upload-form input,.upload-form select{width:100%;min-width:0;border:1px solid #ccd9da;border-radius:11px;padding:13px 14px;font:inherit;color:#1c3543;background:#fff}.classroom-lookup input{text-transform:uppercase;letter-spacing:.14em;font-weight:800}.classroom-lookup .button,.teacher-login-form .button{white-space:nowrap}.classroom-header .eyebrow,.classroom-section-heading .eyebrow,.materials-course-title .eyebrow{margin:0 0 5px;color:#438f7d;font-size:12px;font-weight:800;letter-spacing:.12em}.materials-course-title{border-bottom:1px solid #e5eeee;padding:20px 0}.materials-course-title h2{margin:0;color:#173849}.materials-course-title>p:last-child{margin:7px 0;color:#63808a}.materials-list,.managed-file-list{display:grid;gap:10px;padding-top:14px}.material-item,.teacher-class-card{display:flex;align-items:center;justify-content:space-between;gap:18px;border:1px solid #e2ebea;border-radius:14px;padding:15px 17px;background:#fbfdfc}.material-item strong{display:block;color:#183c4b}.material-item small,.teacher-class-card small{display:block;margin-top:5px;color:#70838a}.material-item .button{white-space:nowrap}.materials-empty{padding:18px;color:#73848a;background:#f7faf9;border-radius:12px}.classroom-footnote{font-size:13px;color:#697e86;text-align:center}.class-form{display:grid;grid-template-columns:1fr 1fr auto;align-items:end;gap:12px}.class-form label,.upload-form label{display:grid;gap:7px;font-size:14px;font-weight:700;color:#36535f}.class-form .button{white-space:nowrap}.teacher-class-list{display:grid;gap:11px}.teacher-class-card h3{font-size:17px;margin:0;color:#173849}.class-code-display{font:800 21px/1.3 "DM Sans",sans-serif;letter-spacing:.15em;color:#bd7533;margin:6px 0 0}.teacher-class-card .button{white-space:nowrap}.upload-form{display:grid;grid-template-columns:1fr 1fr;gap:14px;align-items:end}.upload-form label:nth-child(3),.upload-form>small,.upload-form>button{grid-column:1/-1}.upload-form>small{color:#71838a;line-height:1.6}.upload-form input[type=file]{padding:10px}.remove-file{border:1px solid #e7c9c6;background:#fff7f6;color:#a34840;border-radius:10px;padding:9px 15px;font:inherit;font-weight:700;cursor:pointer}.classroom-card .records-status{margin:15px 0 0}.classroom-card .records-status.is-error{color:#ad4339}.classroom-page [hidden]{display:none!important}
.file-field{display:grid;gap:7px}.file-field input[type=file]{width:100%;padding:10px;border:1px solid #ccd9da;border-radius:11px;background:#fff}.file-field small{font-size:12px;line-height:1.55;color:#73848a}.student-fields .file-field{grid-column:1/-1}.teacher-classroom-nav-link{font-size:12px;font-weight:800;color:#276e63;white-space:nowrap}
@media(max-width:720px){.classroom-page{padding:24px 14px 48px}.classroom-header{align-items:flex-start;flex-direction:column}.classroom-header h1{font-size:29px}.classroom-card{padding:19px;border-radius:17px}.class-form,.upload-form{grid-template-columns:1fr}.upload-form label:nth-child(3),.upload-form>small,.upload-form>button{grid-column:auto}.teacher-class-card,.material-item{align-items:flex-start;flex-direction:column}.teacher-class-card .button,.material-item .button{width:100%;text-align:center}.classroom-lookup>div,.teacher-login-form>div{align-items:stretch;flex-direction:column}.classroom-section-heading{align-items:flex-start}}
.class-form select{width:100%;min-width:0;border:1px solid #ccd9da;border-radius:11px;padding:13px 14px;font:inherit;color:#1c3543;background:#fff}