:root{--bg: #0b0b0c;--ink: #f2efe8;--muted: #8f8a80;--faint: #605c55;--line: #26262a;--card: #121214;--accent: #d4553a;--serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, "Songti SC", "Noto Serif CJK SC", serif;--sans: system-ui, -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif}*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--bg);color:var(--ink);font-family:var(--sans);-webkit-font-smoothing:antialiased}body{min-height:100dvh;background-image:radial-gradient(1200px 600px at 70% -10%,rgba(212,85,58,.08),transparent 60%)}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit;cursor:pointer}.shell{min-height:100dvh;display:flex;flex-direction:column;max-width:1120px;margin:0 auto;padding:0 clamp(18px,4vw,48px)}.top{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:22px 0;border-bottom:1px solid var(--line)}.brand{display:inline-flex;align-items:center;gap:10px;font-size:12px;letter-spacing:.16em;font-weight:600;white-space:nowrap}.mark{width:14px;height:14px;border:1.5px solid var(--ink);border-radius:50%;position:relative;display:inline-block}.mark:after{content:"";position:absolute;inset:3px 6px;background:var(--accent);border-radius:1px}.mark.small{width:10px;height:10px}.nav{display:flex;align-items:center;gap:clamp(12px,2.4vw,28px);font-size:13px;color:var(--muted)}.nav a:hover{color:var(--ink)}.nav-play{color:var(--ink);border-bottom:1px solid var(--accent);padding-bottom:2px}.lang{display:inline-flex;align-items:center;gap:4px;font-size:12px;color:var(--faint)}.lang button{background:none;border:0;padding:2px;color:var(--faint)}.lang button.on{color:var(--ink)}.landing{flex:1;padding:clamp(48px,9vw,108px) 0 0}.eyebrow{font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);margin:0 0 22px}h1{margin:0;font-family:var(--serif);font-weight:400;letter-spacing:-.03em;line-height:.95}.h1-en{display:block;font-size:clamp(46px,9.4vw,104px)}.h1-cn{display:block;font-size:clamp(20px,3.2vw,34px);letter-spacing:.28em;color:var(--muted);margin-top:18px;font-family:var(--sans);font-weight:300}.lead{max-width:34em;font-size:clamp(15px,1.7vw,18px);line-height:1.75;color:#cfc9bf;margin:clamp(28px,4vw,40px) 0 0}.cta-row{display:flex;align-items:center;gap:20px;flex-wrap:wrap;margin-top:clamp(32px,4vw,44px)}.btn{background:var(--ink);color:#0b0b0c;border:1px solid var(--ink);padding:14px 26px;font-size:14px;letter-spacing:.06em;transition:background .15s ease,color .15s ease}.btn:hover{background:var(--accent);border-color:var(--accent);color:var(--ink)}.btn.ghost{background:transparent;color:var(--ink);border-color:#3a3a3f}.btn.ghost:hover{border-color:var(--ink);background:transparent;color:var(--ink)}.cta-sub{font-size:12px;color:var(--faint);letter-spacing:.03em}.creed{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(20px,4vw,48px);margin:clamp(64px,10vw,120px) 0 0;padding:36px 0 64px;border-top:1px solid var(--line)}.creed article{padding:0}.num{font-family:var(--serif);font-size:13px;color:var(--accent);letter-spacing:.1em}.creed h2{font-family:var(--serif);font-weight:400;font-size:clamp(17px,2vw,21px);margin:12px 0 10px}.creed p{margin:0;font-size:13.5px;line-height:1.8;color:var(--muted)}.play{flex:1;padding:clamp(28px,5vw,56px) 0 64px;max-width:640px;width:100%;margin:0 auto}.back{background:none;border:0;padding:0;color:var(--muted);font-size:12px;margin-bottom:36px}.back:hover{color:var(--ink)}.play-title{font-size:clamp(30px,5vw,44px);margin-bottom:28px;font-family:var(--serif);font-weight:400}.card{background:linear-gradient(180deg,#141416,#101012);border:1px solid #2c2c31;padding:clamp(22px,4vw,34px);box-shadow:0 30px 80px -40px #000000e6}.card-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:18px;border-bottom:1px solid var(--line)}.card-head h2{margin:0;font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);font-weight:500}.chip{font-size:11px;letter-spacing:.08em;padding:5px 10px;border:1px solid currentColor;text-transform:uppercase}.chip.hell{color:var(--accent)}.chip.hard{color:#c9a227}.chip.normal{color:#9aa0a6}.chip.easy{color:#7d9a74}.facts{display:grid;grid-template-columns:1fr 1fr;gap:20px 24px;margin:24px 0 4px}.facts>div{min-width:0}.facts .wide{grid-column:1 / -1}.facts dt{font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--faint);margin-bottom:6px}.facts dd{margin:0;font-size:16px;line-height:1.4}.facts dd.big{font-family:var(--serif);font-size:clamp(24px,4vw,32px)}.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:13px;color:var(--muted);word-break:break-all}.card-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}.note{margin:22px 0 0;font-size:12px;line-height:1.7;color:var(--muted);border-left:2px solid var(--accent);padding-left:12px}.note.faint{border-left-color:#33333a;color:var(--faint);font-size:11px}.foot{border-top:1px solid var(--line);padding:22px 0 30px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:11px;color:var(--faint)}.foot>div{display:flex;align-items:center;gap:8px;letter-spacing:.08em}.foot p{margin:0}@media(max-width:720px){.creed{grid-template-columns:1fr;gap:28px}.nav a:first-child{display:none}.brand{font-size:10px}.facts{grid-template-columns:1fr;gap:16px}.cta-row{align-items:flex-start;flex-direction:column;gap:12px}.card-actions .btn{flex:1;text-align:center}}.btn:disabled{opacity:.35;cursor:not-allowed}.btn:disabled:hover{background:var(--ink);border-color:var(--ink);color:#0b0b0c}.game{flex:1;width:100%;max-width:760px;margin:0 auto;padding:clamp(28px,5vw,56px) 0 64px}.game-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:24px}.game-head .eyebrow{margin:0 0 8px}.age{margin:0;font-family:var(--serif);font-size:44px;line-height:1}.age strong{font-weight:400}.age span{color:var(--faint);font-size:16px}.lifebar{width:200px;height:2px;background:#2a2a2f;margin-bottom:10px}.lifebar>span{display:block;height:100%;background:var(--accent);transition:width .3s ease}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px 20px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:22px 0;margin-bottom:28px}.stat{display:flex;flex-direction:column;gap:6px;min-width:0}.stat-label{font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--faint)}.stat-value{font-family:var(--serif);font-size:22px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.bar{height:2px;background:#26262a;margin-top:4px}.bar>span{display:block;height:100%;background:var(--muted);transition:width .3s ease}.alloc-head{display:flex;justify-content:space-between;align-items:baseline;gap:12px}.alloc-head h2{font-family:var(--serif);font-weight:400;font-size:20px;margin:0}.total{font-size:12px;letter-spacing:.06em;font-variant-numeric:tabular-nums}.total.ok{color:#7d9a74}.total.bad{color:var(--accent)}.sliders{display:flex;flex-direction:column;gap:14px;margin-top:18px}.slider{display:grid;grid-template-columns:64px 1fr 44px;align-items:center;gap:12px}.slider-label{font-size:12.5px;color:var(--muted)}.slider-value{font-size:12px;text-align:right;color:var(--ink);font-variant-numeric:tabular-nums}input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:2px;background:#33333a;outline:none}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:14px;height:14px;border-radius:50%;background:var(--ink);border:0;cursor:pointer}input[type=range]::-moz-range-thumb{width:14px;height:14px;border-radius:50%;background:var(--ink);border:0;cursor:pointer}.presets{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}.preset{background:none;border:1px solid #33333a;color:var(--muted);font-size:12px;padding:6px 12px}.preset:hover{border-color:var(--ink);color:var(--ink)}.milestone{border-top:1px solid var(--line);padding-top:28px}.milestone h2{font-family:var(--serif);font-weight:400;font-size:clamp(24px,4vw,32px);margin:10px 0 12px}.milestone-body{color:var(--muted);line-height:1.8;margin:0 0 24px;max-width:52ch}.choices{display:flex;flex-direction:column;gap:10px}.choice{display:flex;flex-direction:column;gap:4px;text-align:left;background:var(--card);border:1px solid #2c2c31;padding:16px 18px;transition:border-color .15s ease}.choice:hover{border-color:var(--accent)}.choice-label{font-size:15px}.choice-hint{font-size:11.5px;color:var(--faint);letter-spacing:.02em}.settle .score{font-family:var(--serif);font-size:clamp(56px,10vw,88px);margin:4px 0 0;line-height:1}.settle .score span{font-size:16px;color:var(--faint)}.settle-label{margin:2px 0 0;font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--faint)}.settle-age{margin:8px 0 0;color:var(--muted);font-size:13px}.settle-rank{margin:14px 0 26px;font-size:15px;border-left:2px solid var(--accent);padding-left:12px}@media(max-width:720px){.stats{grid-template-columns:1fr 1fr}.slider{grid-template-columns:56px 1fr 40px}.lifebar{width:110px}.age{font-size:36px}}