:root {
  --bg: #07111d;
  --panel: rgba(15, 30, 48, .78);
  --panel-strong: #11263d;
  --line: rgba(183, 223, 255, .16);
  --text: #f3f8ff;
  --muted: #a9bdd2;
  --blue: #5bb9ff;
  --cyan: #68e5dc;
  --gold: #ffc96d;
  --danger: #ff8c83;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  font-family: "Inter", "Noto Sans SC", system-ui, sans-serif;
  background: #07111d url("assets/academy-hero-bg.png") center top / cover fixed no-repeat;
}
button, input, select { font: inherit; }
button { cursor: pointer; }
.page-noise { position: fixed; inset: 0; pointer-events: none; background: linear-gradient(180deg, rgba(4, 10, 18, .77), rgba(4, 11, 20, .95) 48%, #07111d); z-index: -1; }

.topbar {
  position: sticky; top: 0; z-index: 20; height: 74px; padding: 0 32px 0 286px;
  display: flex; align-items: center; gap: 28px; border-bottom: 1px solid var(--line);
  background: rgba(7, 17, 29, .86); backdrop-filter: blur(16px);
}
.brand { display: none; color: var(--text); text-decoration: none; align-items: center; gap: 10px; }
.brand-mark { display: grid; place-items: center; width: 36px; height: 36px; border-radius: 12px; color: #07111d; font-weight: 900; background: linear-gradient(135deg, var(--blue), var(--cyan)); }
.brand strong, .brand small { display: block; }
.brand small { color: var(--muted); font-size: 11px; }
.topnav { display: flex; gap: 8px; }
.topnav button, .home-link { border: 0; color: var(--muted); background: transparent; text-decoration: none; font-size: 13px; font-weight: 700; padding: 9px 12px; border-radius: 10px; }
.topnav button:hover, .topnav button.active { color: var(--text); background: rgba(104, 229, 220, .12); }
.home-link { margin-left: auto; color: var(--text); border: 1px solid var(--line); }
.home-link:hover { border-color: var(--cyan); }

.side-panel { position: fixed; z-index: 21; top: 0; left: 0; width: 256px; height: 100vh; padding: 22px 16px; overflow-y: auto; border-right: 1px solid var(--line); background: rgba(6, 17, 29, .88); backdrop-filter: blur(18px); }
.side-card { padding: 17px; margin-bottom: 13px; border: 1px solid var(--line); border-radius: 18px; background: rgba(24, 46, 68, .52); }
.eyebrow { display: flex; align-items: center; gap: 8px; margin: 0; color: #bfe8ff; font-size: 11px; font-weight: 900; letter-spacing: .12em; }
.eyebrow i { width: 8px; height: 8px; border-radius: 50%; background: var(--gold); box-shadow: 0 0 16px rgba(255, 201, 109, .7); }
.course-card h2 { margin: 13px 0 8px; font-size: 21px; line-height: 1.35; }
.course-card > span { color: var(--muted); font-size: 12px; }
.side-title { display: flex; align-items: center; justify-content: space-between; color: var(--muted); font-size: 12px; font-weight: 800; }
.side-title b { color: var(--cyan); font-size: 11px; }
.progress-track { height: 7px; margin: 12px 0 15px; overflow: hidden; border-radius: 999px; background: rgba(255, 255, 255, .09); }
.progress-track i { display: block; width: 0; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--blue), var(--cyan)); transition: width .35s ease; }
.side-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; }
.side-stats div { padding: 8px 4px; text-align: center; border-radius: 10px; background: rgba(255, 255, 255, .04); }
.side-stats strong, .side-stats small { display: block; }
.side-stats strong { color: var(--cyan); font-size: 18px; }
.side-stats small { margin-top: 2px; color: var(--muted); font-size: 10px; }
.jump-card { padding: 12px; }
.jump-card .side-title { padding: 4px 5px 9px; }
.jump { width: 100%; padding: 9px 7px; display: flex; gap: 10px; border: 0; border-radius: 10px; color: #c7d9e8; background: transparent; text-align: left; font-size: 13px; }
.jump span { color: #6a87a2; font-family: "Inter", sans-serif; font-size: 11px; }
.jump:hover, .jump.active { color: var(--text); background: rgba(91, 185, 255, .13); }
.jump.active span { color: var(--cyan); }
.speaker-note p { margin: 10px 0 0; color: #c7d6e3; font-size: 12px; line-height: 1.7; }

.page { max-width: 1500px; margin-left: 256px; padding: 0 6vw 72px; }
.section { padding: 88px 0 20px; scroll-margin-top: 78px; }
.hero { min-height: calc(100vh - 74px); display: grid; align-items: center; grid-template-columns: minmax(0, 1fr) minmax(350px, .82fr); gap: clamp(42px, 7vw, 110px); padding-top: 52px; }
.hero-copy h1 { margin: 17px 0 20px; max-width: 790px; font-size: clamp(44px, 5.1vw, 80px); letter-spacing: -.05em; line-height: 1.08; }
.hero-copy h1 strong { color: transparent; background: linear-gradient(90deg, #f8fdff, var(--cyan), var(--gold)); background-clip: text; -webkit-background-clip: text; }
.hero-lead { max-width: 690px; color: #cbd9e7; font-size: 17px; line-height: 1.9; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin: 27px 0; }
.primary-btn, .ghost-btn, .text-btn { border-radius: 12px; font-weight: 900; transition: transform .18s ease, border-color .18s ease, background .18s ease; }
.primary-btn { padding: 13px 18px; border: 0; color: #06131f; background: linear-gradient(135deg, var(--blue), var(--cyan)); box-shadow: 0 12px 32px rgba(54, 210, 218, .18); }
.primary-btn:hover, .ghost-btn:hover, .text-btn:hover { transform: translateY(-2px); }
.ghost-btn { padding: 12px 17px; color: var(--text); background: rgba(255, 255, 255, .06); border: 1px solid var(--line); }
.outcome-strip { display: grid; grid-template-columns: auto 1fr; gap: 5px 15px; max-width: 620px; padding: 16px 18px; border: 1px solid rgba(104, 229, 220, .2); border-radius: 16px; background: rgba(104, 229, 220, .07); }
.outcome-strip span { grid-row: span 2; align-self: center; color: var(--cyan); font-size: 12px; font-weight: 900; }
.outcome-strip strong { font-size: 15px; }.outcome-strip small { color: var(--muted); font-size: 12px; }
.hero-board, .brief-card, .case-workbench, .prompt-form, .prompt-result, .template-preview, .delivery-card { border: 1px solid var(--line); border-radius: 22px; background: rgba(14, 32, 51, .76); box-shadow: 0 24px 80px rgba(0, 0, 0, .2); }
.hero-board { padding: 25px; }
.board-head, .result-head { display: flex; justify-content: space-between; gap: 15px; color: #c5d9e9; font-size: 12px; font-weight: 800; }
.board-head b { color: var(--gold); font-size: 10px; letter-spacing: .1em; }
.flow-list { margin: 22px 0 16px; }
.flow-list div { display: grid; grid-template-columns: 36px 1fr; align-items: center; gap: 4px 12px; padding: 14px 0; border-bottom: 1px solid rgba(255, 255, 255, .08); }
.flow-list div:last-child { border-bottom: 0; }
.flow-list span { grid-row: span 2; display: grid; place-items: center; width: 34px; height: 34px; border-radius: 10px; color: var(--cyan); background: rgba(104, 229, 220, .12); font-size: 11px; font-weight: 900; }
.flow-list strong { font-size: 15px; }.flow-list small { color: var(--muted); font-size: 12px; }
.board-foot { padding: 13px; border-radius: 12px; color: #c4d8e8; background: rgba(255, 255, 255, .05); font-size: 12px; line-height: 1.7; }

.section-head { max-width: 850px; margin-bottom: 30px; }
.section-head > span { color: var(--cyan); font-family: "Inter", sans-serif; font-size: 12px; font-weight: 900; letter-spacing: .12em; }
.section-head h2 { margin: 10px 0 10px; font-size: clamp(28px, 3vw, 44px); line-height: 1.22; letter-spacing: -.03em; }
.section-head p { margin: 0; color: var(--muted); line-height: 1.85; }
.module-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.module-card { min-height: 205px; padding: 21px; border: 1px solid var(--line); border-radius: 18px; background: rgba(18, 39, 60, .66); }
.module-card span { color: var(--gold); font-size: 12px; font-weight: 900; }.module-card h3 { margin: 12px 0 9px; font-size: 19px; }.module-card p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.75; }.module-card b { display: block; margin-top: 15px; color: #cceaf8; font-size: 12px; }

.case-picker { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 16px; }
.case-choice { padding: 10px 14px; border: 1px solid var(--line); border-radius: 12px; color: var(--muted); background: rgba(255, 255, 255, .04); text-align: left; }.case-choice strong, .case-choice small { display: block; }.case-choice strong { color: inherit; font-size: 13px; }.case-choice small { margin-top: 3px; font-size: 11px; }.case-choice.active, .case-choice:hover { color: var(--text); border-color: rgba(104, 229, 220, .5); background: rgba(104, 229, 220, .1); }
.case-stage { display: grid; grid-template-columns: minmax(250px, .72fr) minmax(0, 1.45fr); gap: 16px; }
.brief-card, .case-workbench { padding: 25px; }.panel-kicker { color: var(--cyan); font-size: 11px; font-weight: 900; letter-spacing: .1em; }.brief-card h3 { margin: 10px 0; font-size: 24px; line-height: 1.35; }.brief-card > p { margin: 0; color: #c6d7e6; line-height: 1.85; }.brief-meta { display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0; }.brief-meta span { padding: 6px 9px; border-radius: 999px; color: #bde5f6; background: rgba(91, 185, 255, .12); font-size: 11px; }.teacher-callout { padding: 14px; border-radius: 13px; background: rgba(255, 201, 109, .08); border: 1px solid rgba(255, 201, 109, .16); }.teacher-callout strong { color: var(--gold); font-size: 12px; }.teacher-callout p { margin: 7px 0 0; color: #d6e0e8; font-size: 12px; line-height: 1.75; }
.tab-row { display: flex; gap: 8px; flex-wrap: wrap; padding-bottom: 16px; border-bottom: 1px solid rgba(255, 255, 255, .08); }.tab-row button { padding: 8px 10px; border: 0; border-radius: 9px; color: var(--muted); background: transparent; font-weight: 800; font-size: 12px; }.tab-row button.active, .tab-row button:hover { color: var(--text); background: rgba(91, 185, 255, .15); }.case-output { padding-top: 18px; }.case-output h4 { margin: 0 0 10px; font-size: 18px; }.case-output p { margin: 0 0 13px; color: #c6d8e7; line-height: 1.8; }.case-output ul { margin: 0; padding-left: 20px; color: #dce8f1; line-height: 1.9; }.case-output .output-label { display: inline-block; padding: 5px 8px; margin-bottom: 11px; border-radius: 8px; color: var(--cyan); background: rgba(104, 229, 220, .1); font-size: 11px; font-weight: 900; }

.prompt-lab { display: grid; grid-template-columns: minmax(300px, .9fr) minmax(0, 1.1fr); gap: 16px; }.prompt-form, .prompt-result { padding: 25px; }.form-head span { color: var(--cyan); font-size: 11px; font-weight: 900; }.form-head h3 { margin: 8px 0 20px; font-size: 21px; }.prompt-form label { display: block; margin-bottom: 14px; color: #c6d8e7; font-size: 12px; font-weight: 800; }.prompt-form input, .prompt-form select { width: 100%; margin-top: 7px; padding: 11px 12px; border: 1px solid rgba(255,255,255,.13); border-radius: 10px; outline: none; color: var(--text); background: rgba(1, 8, 15, .42); }.prompt-form input:focus, .prompt-form select:focus { border-color: var(--cyan); }.prompt-form select option { color: #101a26; }.form-split { display: grid; grid-template-columns: 1fr 1fr; gap: 11px; }.form-btn { width: 100%; margin-top: 3px; }.text-btn { padding: 0; border: 0; color: var(--cyan); background: transparent; font-size: 12px; }.prompt-result { display: flex; flex-direction: column; }.prompt-result pre, .template-preview pre { white-space: pre-wrap; word-break: break-word; margin: 15px 0 0; color: #dbe8f2; font-family: "Noto Sans SC", system-ui, sans-serif; font-size: 13px; line-height: 1.85; }.result-tip { margin: auto 0 0; padding: 13px; border-radius: 12px; color: #c9d9e6; background: rgba(91,185,255,.09); font-size: 12px; line-height: 1.7; }

.template-layout { display: grid; grid-template-columns: minmax(240px, .62fr) minmax(0, 1.38fr); gap: 16px; }.template-list { display: grid; gap: 10px; }.template-choice { padding: 17px; border: 1px solid var(--line); border-radius: 15px; color: var(--muted); background: rgba(18, 39, 60, .66); text-align: left; }.template-choice span { color: var(--gold); font-size: 11px; font-weight: 900; }.template-choice strong, .template-choice small { display: block; }.template-choice strong { margin: 5px 0; color: inherit; font-size: 15px; }.template-choice small { font-size: 12px; line-height: 1.6; }.template-choice.active, .template-choice:hover { color: var(--text); border-color: rgba(91,185,255,.55); background: rgba(91,185,255,.11); }.template-preview { min-height: 420px; padding: 25px; }.template-preview h3 { margin: 17px 0 0; font-size: 22px; }.template-preview pre { padding: 16px; border-radius: 13px; background: rgba(3, 12, 21, .38); }

.creative-layout { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(300px, .92fr); gap: 16px; }.creative-card, .model-card, .consistency-grid article, .consistency-pack, .platform-output { border: 1px solid var(--line); border-radius: 20px; background: rgba(14, 32, 51, .76); }.creative-card, .model-card { padding: 24px; }.creative-output { min-height: 365px; padding: 20px 0 4px; }.creative-output span { display: inline-block; padding: 5px 8px; border-radius: 8px; color: var(--cyan); background: rgba(104,229,220,.1); font-size: 11px; font-weight: 900; }.creative-output h3 { margin: 12px 0; font-size: 23px; }.creative-output p { color: #c8d9e6; line-height: 1.85; }.creative-output pre, .consistency-pack pre { white-space: pre-wrap; word-break: break-word; margin: 16px 0 0; color: #dbe8f2; font-family: "Noto Sans SC", system-ui, sans-serif; font-size: 13px; line-height: 1.85; }.creative-output pre { padding: 15px; border-radius: 13px; background: rgba(3,12,21,.38); }.copy-wide { margin-top: 15px; }.model-card > span { color: var(--gold); font-size: 11px; font-weight: 900; }.model-card h3 { margin: 10px 0 17px; font-size: 23px; }.model-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }.model-grid div { padding: 13px; border-radius: 13px; background: rgba(255,255,255,.05); }.model-grid b { color: var(--cyan); font-size: 13px; }.model-grid p { margin: 7px 0; color: #ccdae7; font-size: 12px; line-height: 1.65; }.model-grid small { color: var(--muted); font-size: 10px; line-height: 1.5; }.model-note { margin: 17px 0 0; padding: 12px; border-radius: 12px; color: #d4e1eb; background: rgba(255,201,109,.08); font-size: 12px; line-height: 1.7; }
.consistency-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }.consistency-grid article { padding: 21px; }.consistency-grid span { color: var(--cyan); font-size: 11px; font-weight: 900; }.consistency-grid h3 { margin: 10px 0; font-size: 20px; }.consistency-grid p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.8; }.consistency-grid b { display: block; margin-top: 15px; color: var(--gold); font-size: 12px; line-height: 1.65; }.consistency-pack { margin-top: 15px; padding: 24px; }.consistency-pack pre { padding: 15px; border-radius: 13px; background: rgba(3,12,21,.38); }
.revenue-formula { display: flex; align-items: center; flex-wrap: wrap; gap: 9px; padding: 15px 17px; margin-bottom: 17px; border: 1px solid rgba(104,229,220,.22); border-radius: 14px; background: rgba(104,229,220,.07); }.revenue-formula span { padding: 7px 9px; border-radius: 8px; color: #d8f8f5; background: rgba(104,229,220,.12); font-size: 12px; font-weight: 800; }.revenue-formula b { color: var(--gold); }.revenue-formula strong { margin-left: 5px; color: var(--gold); font-size: 13px; }.platform-picker { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }.platform-choice { padding: 15px; border: 1px solid var(--line); border-radius: 14px; color: var(--muted); background: rgba(18,39,60,.66); text-align: left; }.platform-choice strong, .platform-choice small { display: block; }.platform-choice strong { color: inherit; font-size: 14px; }.platform-choice small { margin-top: 6px; font-size: 11px; line-height: 1.6; }.platform-choice.active, .platform-choice:hover { color: var(--text); border-color: rgba(104,229,220,.55); background: rgba(104,229,220,.1); }.platform-output { min-height: 205px; margin-top: 14px; padding: 23px; }.platform-output span { color: var(--cyan); font-size: 11px; font-weight: 900; }.platform-output h3 { margin: 9px 0; font-size: 23px; }.platform-output > p { max-width: 850px; margin: 0; color: #cbdbe7; line-height: 1.8; }.platform-detail-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 17px; }.platform-detail-grid div { padding: 13px; border-radius: 12px; background: rgba(255,255,255,.05); }.platform-detail-grid b, .platform-detail-grid small { display: block; }.platform-detail-grid b { color: var(--gold); font-size: 12px; }.platform-detail-grid small { margin-top: 6px; color: #d2dfeb; font-size: 12px; line-height: 1.65; }.platform-disclaimer { margin: 12px 0 0; color: var(--muted); font-size: 12px; line-height: 1.7; }
.delivery-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }.delivery-card { padding: 25px; }.delivery-card h3 { margin: 0 0 18px; font-size: 21px; }.checklist { display: grid; gap: 9px; }.check-item { display: flex; align-items: center; gap: 10px; padding: 10px 11px; border-radius: 10px; color: #cbdbe7; background: rgba(255,255,255,.04); font-size: 13px; }.check-item input { accent-color: var(--cyan); width: 16px; height: 16px; }.check-item.done { color: #effcff; background: rgba(104,229,220,.1); text-decoration: line-through; }.rubric { display: flex; justify-content: space-between; padding: 13px 0; border-bottom: 1px solid rgba(255,255,255,.08); color: #cedeea; font-size: 13px; }.rubric b { color: var(--cyan); }.next-link { display: inline-flex; margin-top: 22px; padding: 12px 15px; border-radius: 12px; color: #07111d; background: var(--gold); text-decoration: none; font-size: 13px; font-weight: 900; }.back-top { position: fixed; z-index: 22; right: 26px; bottom: 22px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 12px; color: var(--text); background: rgba(11,26,42,.9); opacity: 0; pointer-events: none; transition: opacity .2s; }.back-top.show { opacity: 1; pointer-events: auto; }.toast { position: fixed; z-index: 30; left: 50%; bottom: 28px; transform: translate(-50%, 12px); padding: 10px 15px; border-radius: 10px; color: #07111d; background: var(--cyan); font-size: 13px; font-weight: 900; opacity: 0; transition: .2s; pointer-events: none; }.toast.show { opacity: 1; transform: translate(-50%, 0); }

@media (max-width: 1080px) { .topbar { padding-left: 24px; }.side-panel { position: static; width: auto; height: auto; padding: 16px 24px; display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 12px; border-right: 0; border-bottom: 1px solid var(--line); }.side-card { margin: 0; }.jump-card { display: none; }.page { margin-left: 0; padding: 0 5vw 64px; }.hero { min-height: auto; grid-template-columns: 1fr; padding-top: 72px; }.hero-board { max-width: 680px; }.topbar .brand { display: flex; }.topnav { margin-left: auto; }.home-link { margin-left: 0; } }
@media (max-width: 760px) { .topbar { height: auto; min-height: 62px; padding: 11px 16px; flex-wrap: wrap; gap: 8px; }.topnav { order: 3; width: 100%; overflow-x: auto; margin-left: 0; }.topnav button { white-space: nowrap; }.home-link { font-size: 11px; }.side-panel { grid-template-columns: 1fr; padding: 12px 16px; }.progress-card { display: none; }.page { padding: 0 18px 46px; }.section { padding-top: 60px; }.hero { padding-top: 46px; }.hero-copy h1 { font-size: clamp(39px, 12vw, 58px); }.module-grid, .case-stage, .prompt-lab, .template-layout, .creative-layout, .consistency-grid, .delivery-grid { grid-template-columns: 1fr; }.platform-picker, .platform-detail-grid { grid-template-columns: 1fr 1fr; }.form-split { grid-template-columns: 1fr; gap: 0; }.case-workbench, .brief-card, .prompt-form, .prompt-result, .template-preview, .creative-card, .model-card, .consistency-pack, .delivery-card, .platform-output { padding: 19px; }.outcome-strip { grid-template-columns: 1fr; gap: 6px; }.outcome-strip span { grid-row: auto; }.back-top { right: 15px; bottom: 16px; } }