:root{
  --bg:#07101d;--panel:#0d1a2d;--panel2:#12233b;--line:#203a5b;--text:#f5f8ff;--muted:#9db0c9;
  --blue:#4aa8ff;--green:#50d890;--red:#ff696f;--gold:#ffca5c;--purple:#b28cff;--cyan:#52d9e8;
  --shadow:0 18px 50px rgba(0,0,0,.28);--radius:22px;
}
*{box-sizing:border-box}html{background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}body{margin:0;min-height:100vh;background:radial-gradient(circle at 20% -10%,#173a63 0,transparent 32%),linear-gradient(180deg,#08111f,#07101d 60%)}button,input{font:inherit}.app-shell{max-width:1480px;margin:auto;padding:18px 18px 104px}.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}.brand-wrap{display:flex;align-items:center;gap:14px}.brand-mark{width:54px;height:54px;display:grid;place-items:center;border-radius:16px;background:linear-gradient(145deg,var(--blue),#255cc2);font-weight:900;box-shadow:0 12px 24px rgba(74,168,255,.22)}h1,h2,h3,p{margin-top:0}.topbar h1{font-size:1.1rem;margin:0}.topbar p{font-size:.78rem;color:var(--muted);margin:2px 0 0}.icon-btn,.secondary,.primary,.decision,.nav-btn,.task{border:0;color:var(--text);cursor:pointer}.icon-btn{width:46px;height:46px;border-radius:14px;background:var(--panel2);border:1px solid var(--line)}.tab-panel{display:none}.tab-panel.active{display:block}.card{background:linear-gradient(180deg,rgba(18,35,59,.95),rgba(10,25,43,.96));border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.hero{padding:28px;display:flex;align-items:center;justify-content:space-between;overflow:hidden;position:relative}.hero:after{content:"";position:absolute;inset:auto -80px -120px auto;width:260px;height:260px;background:radial-gradient(circle,rgba(74,168,255,.26),transparent 65%)}.hero h2{font-size:clamp(1.8rem,4vw,3.5rem);max-width:750px;margin:8px 0 10px}.hero p{color:var(--muted);max-width:720px}.hero-orb{font-size:6rem;filter:drop-shadow(0 20px 25px rgba(0,0,0,.35));z-index:1}.eyebrow{font-size:.72rem;font-weight:800;letter-spacing:.13em;color:var(--cyan)}.primary,.secondary{padding:12px 18px;border-radius:14px;font-weight:800}.primary{background:linear-gradient(135deg,#2696ff,#4f69ff);box-shadow:0 10px 28px rgba(38,150,255,.25)}.secondary{background:#132741;border:1px solid #294666}.small{padding:9px 12px;font-size:.85rem}.score-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px;margin:16px 0}.score-card{padding:16px}.score-card span{display:block;color:var(--muted);font-size:.78rem}.score-card strong{display:block;font-size:1.55rem;margin-top:6px}.score-card small{color:var(--muted)}.section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin:28px 2px 14px}.section-head.compact{margin-top:4px}.section-head h2,.section-head h3{margin:4px 0 0}.pill,.turn-box{padding:8px 12px;border:1px solid var(--line);border-radius:999px;background:#0d1c30;color:var(--muted);font-size:.8rem}.task-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.task{padding:18px;text-align:left;display:flex;gap:12px;align-items:center}.task span{font-size:1.5rem}.task strong,.task small{display:block}.task small{color:var(--muted);margin-top:4px}.notice{margin-top:16px;padding:18px;display:flex;gap:14px;align-items:center}.notice p{color:var(--muted);margin:4px 0 0}.notice-icon{font-size:2rem}.lesson-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.lesson-card{padding:18px;display:grid;grid-template-columns:68px 1fr auto;gap:15px;align-items:center}.lesson-thumb{width:68px;height:68px;border-radius:18px;display:grid;place-items:center;font-size:2rem;background:linear-gradient(145deg,#173a63,#102642);border:1px solid #31537b}.lesson-card p{color:var(--muted);margin:6px 0 0;font-size:.9rem}.lesson-card .status{font-size:.76rem;color:var(--green)}.play-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:14px}.board-card{padding:14px}.board-topline{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.board-topline small{display:block;color:var(--muted);margin-top:4px}.dice-readout{font-weight:900;font-size:1.2rem}.board{display:grid;grid-template-columns:repeat(6,1fr);grid-template-rows:repeat(6,minmax(82px,1fr));gap:8px;aspect-ratio:1.25;background:radial-gradient(circle at center,#193c4f 0 17%,#0d1a2d 18% 100%);padding:8px;border-radius:24px;border:1px solid #294868}.tile{position:relative;border-radius:14px;padding:8px;border:1px solid rgba(255,255,255,.12);display:flex;flex-direction:column;justify-content:space-between;min-width:0;overflow:hidden}.tile strong{font-size:.74rem}.tile small{font-size:.65rem;opacity:.8}.tile .tile-icon{font-size:1.35rem}.tile.player:after{content:"🧑‍🎓";position:absolute;right:5px;bottom:3px;width:30px;height:30px;display:grid;place-items:center;border-radius:50%;background:#1a89ff;box-shadow:0 0 0 3px rgba(83,185,255,.25),0 8px 18px rgba(0,0,0,.28)}.tile.start{background:linear-gradient(145deg,#2f9c55,#176137)}.tile.learn{background:linear-gradient(145deg,#245ca8,#173b73)}.tile.risk{background:linear-gradient(145deg,#d0782c,#7f3d15)}.tile.smart{background:linear-gradient(145deg,#744fc7,#3c2a75)}.tile.event{background:linear-gradient(145deg,#42516b,#26344a)}.tile.liquidation{background:linear-gradient(145deg,#b53a42,#681b24)}.tile.practice{background:linear-gradient(145deg,#1f8c7f,#135348)}.board-actions{display:flex;justify-content:center;gap:10px;margin-top:12px}.side-stack{display:grid;gap:14px;align-content:start}.mini-panel{padding:16px}.stat-line{display:flex;justify-content:space-between;padding:9px 0;border-bottom:1px solid rgba(255,255,255,.08)}.activity-log,.history-list{list-style:none;padding:0;margin:12px 0 0}.activity-log li,.history-list li{padding:10px 0;border-bottom:1px solid rgba(255,255,255,.08);font-size:.85rem;color:var(--muted)}.practice-grid{display:grid;grid-template-columns:1.4fr .8fr;gap:14px}.chart-card,.decision-card{padding:18px}.chart-head{display:flex;justify-content:space-between;align-items:center}.chart-head small{display:block;color:var(--muted);margin-top:3px}#practiceChart{width:100%;height:auto;margin-top:14px;background:linear-gradient(180deg,#0d1a2d,#091422);border-radius:18px;border:1px solid var(--line)}.decision-buttons{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:18px 0}.decision{padding:14px 8px;border-radius:14px;font-weight:900}.decision.long{background:#174f39}.decision.short{background:#5a2228}.decision.wait{background:#4c3b78}.field-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.field-grid label{font-size:.72rem;color:var(--muted)}.field-grid input{width:100%;margin-top:5px;border-radius:10px;border:1px solid var(--line);background:#091523;color:var(--text);padding:10px}.feedback{margin-top:14px;padding:14px;border-radius:14px;background:#0b1d30;border:1px solid #274869;color:#cfe4ff}.feedback.good{border-color:#2d8a5b;background:#0d2b21;color:#caffdf}.feedback.bad{border-color:#944047;background:#30191c;color:#ffd3d6}.feedback.empty{color:var(--muted)}.progress-layout{display:grid;grid-template-columns:1fr 1fr;gap:14px}.progress-layout>.card{padding:18px}.mastery-row{margin:14px 0}.mastery-row div:first-child{display:flex;justify-content:space-between;font-size:.85rem}.bar{height:9px;background:#0a1625;border-radius:999px;overflow:hidden;margin-top:7px}.bar i{display:block;height:100%;background:linear-gradient(90deg,var(--blue),var(--green));border-radius:999px}.bottom-nav{position:fixed;left:50%;bottom:14px;transform:translateX(-50%);z-index:50;width:min(720px,calc(100% - 24px));display:grid;grid-template-columns:repeat(5,1fr);background:rgba(8,18,31,.92);backdrop-filter:blur(20px);border:1px solid var(--line);border-radius:22px;padding:7px;box-shadow:0 20px 50px rgba(0,0,0,.45)}.nav-btn{background:transparent;border-radius:15px;padding:9px 4px;color:var(--muted)}.nav-btn span,.nav-btn small{display:block}.nav-btn span{font-size:1.25rem}.nav-btn small{margin-top:3px}.nav-btn.active{background:#17314f;color:#fff}.modal{border:0;background:transparent;padding:18px;width:min(560px,100%)}.modal::backdrop{background:rgba(0,0,0,.72);backdrop-filter:blur(8px)}.modal-box{position:relative;background:linear-gradient(180deg,#13243a,#091421);border:1px solid #294b70;border-radius:26px;padding:24px;color:var(--text);box-shadow:0 30px 80px rgba(0,0,0,.5)}.modal-close{position:absolute;right:15px;top:12px;background:transparent;border:0;color:#fff;font-size:1.7rem;cursor:pointer}.event-icon{font-size:2.6rem}.choice-list{display:grid;gap:9px;margin-top:16px}.choice-btn{border:1px solid var(--line);background:#10233a;color:#fff;border-radius:14px;padding:13px;text-align:left;cursor:pointer}.hidden{display:none!important}.lesson-visual{height:150px;border-radius:18px;background:linear-gradient(145deg,#14375a,#13203a);display:grid;place-items:center;font-size:4rem;margin:14px 0}.key-points{display:grid;gap:8px;margin:14px 0}.key-point{padding:10px 12px;border-radius:12px;background:#0b1a2b;color:#c9d9ec}.quiz-block{margin-top:16px}.quiz-options{display:grid;gap:8px}.quiz-options button{border:1px solid var(--line);background:#0f2238;color:#fff;padding:12px;border-radius:12px;text-align:left;cursor:pointer}
@media(max-width:980px){.score-grid{grid-template-columns:repeat(2,1fr)}.play-layout,.practice-grid,.progress-layout{grid-template-columns:1fr}.side-stack{grid-template-columns:1fr 1fr}.task-grid{grid-template-columns:1fr}.lesson-list{grid-template-columns:1fr}.hero-orb{font-size:4rem}.board{aspect-ratio:auto;grid-template-rows:repeat(6,74px)}}
@media(max-width:620px){.app-shell{padding:12px 12px 98px}.hero{padding:20px}.hero-orb{display:none}.board{gap:5px;padding:5px;grid-template-rows:repeat(6,62px)}.tile{padding:6px}.tile strong{font-size:.62rem}.tile small{display:none}.tile .tile-icon{font-size:1.05rem}.side-stack{grid-template-columns:1fr}.field-grid{grid-template-columns:1fr}.lesson-card{grid-template-columns:54px 1fr}.lesson-thumb{width:54px;height:54px}.lesson-card .secondary{grid-column:1/-1}.score-grid{grid-template-columns:1fr 1fr}.brand-wrap p{display:none}}

/* v0.2 中文验证版：App化与混合方向体验 */
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{padding-top:env(safe-area-inset-top);padding-left:env(safe-area-inset-left);padding-right:env(safe-area-inset-right)}
.topbar{position:sticky;top:0;z-index:45;padding:10px 2px;background:linear-gradient(180deg,rgba(7,16,29,.96),rgba(7,16,29,.78),transparent);backdrop-filter:blur(16px)}
.header-actions{display:flex;align-items:center;gap:8px}.version-pill{font-size:.7rem;color:var(--muted);padding:7px 10px;border:1px solid var(--line);border-radius:999px;background:#0d1c30}
.primary,.secondary,.task,.nav-btn,.decision,.choice-btn,.icon-btn{-webkit-tap-highlight-color:transparent;touch-action:manipulation}
.orientation-tip{display:none;align-items:center;gap:12px;padding:12px 14px;margin-bottom:12px;border:1px solid #31557d;border-radius:16px;background:linear-gradient(135deg,#102944,#101f34)}
.orientation-tip>span{font-size:1.55rem}.orientation-tip strong,.orientation-tip small{display:block}.orientation-tip small{margin-top:3px;color:var(--muted)}
.board-scroller{overflow-x:auto;overflow-y:hidden;border-radius:24px;scrollbar-width:thin;overscroll-behavior-x:contain;-webkit-overflow-scrolling:touch}
.swipe-hint{display:none;text-align:center;color:var(--muted);font-size:.72rem;margin-top:8px}
.modal-box p{line-height:1.7}.lesson-card p,.hero p,.notice p{line-height:1.65}
.bottom-nav{padding-bottom:calc(7px + env(safe-area-inset-bottom))}
@media(max-width:900px) and (orientation:portrait){
  body[data-active-tab="play"] .orientation-tip{display:flex}
  body[data-active-tab="play"] .swipe-hint{display:block}
  body[data-active-tab="play"] .board{min-width:760px;aspect-ratio:1.25;grid-template-rows:repeat(6,minmax(82px,1fr))}
}
@media(max-width:620px){
  .header-actions .version-pill{display:none}
  .brand-mark{width:48px;height:48px;border-radius:14px}
  .topbar h1{font-size:1rem}.topbar p{display:block;font-size:.7rem}
  .hero h2{font-size:1.75rem;line-height:1.22}.hero p{font-size:.92rem}
  .section-head{align-items:flex-start}.section-head .pill{max-width:160px;text-align:center}
  .bottom-nav{bottom:8px;width:calc(100% - 16px);border-radius:20px}
  .nav-btn{min-height:54px}
  .modal{padding:10px}.modal-box{padding:22px 18px;border-radius:22px}
}
@media(orientation:landscape) and (max-height:620px){
  body[data-active-tab="play"] .app-shell{max-width:1400px;padding-top:6px}
  body[data-active-tab="play"] .topbar{margin-bottom:4px;padding:5px 2px}
  body[data-active-tab="play"] .section-head{margin:4px 2px 8px}
  body[data-active-tab="play"] .play-layout{grid-template-columns:minmax(680px,1fr) 260px}
  body[data-active-tab="play"] .board{grid-template-rows:repeat(6,minmax(68px,1fr));aspect-ratio:1.45}
  body[data-active-tab="play"] .bottom-nav{opacity:.88}
}