:root {
  --ink: #242236;
  --muted: #747087;
  --paper: #fbf8f2;
  --panel: rgba(255, 255, 255, .72);
  --line: rgba(49, 45, 76, .12);
  --violet: #6d5cf3;
  --pink: #ff728c;
  --mint: #45c6a2;
  --yellow: #f6bd46;
  --shadow: 0 24px 70px rgba(65, 50, 118, .12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 2%, rgba(255, 193, 211, .42), transparent 28rem),
    radial-gradient(circle at 90% 16%, rgba(179, 224, 255, .45), transparent 27rem),
    var(--paper);
  font-family: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
}
button { font: inherit; }
.grain {
  position: fixed; inset: 0; pointer-events: none; opacity: .32; z-index: -1;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 160 160' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.08'/%3E%3C/svg%3E");
}
.topbar {
  width: min(1180px, calc(100% - 36px)); margin: 0 auto; padding: 24px 0 12px;
  display: flex; align-items: center; justify-content: space-between;
}
.brand { color: var(--ink); text-decoration: none; font-weight: 800; letter-spacing: .02em; display: flex; gap: 10px; align-items: center; }
.brand-mark { width: 28px; height: 28px; border-radius: 9px; display: grid; place-items: center; color: white; background: var(--violet); box-shadow: 0 7px 18px rgba(109,92,243,.3); }
.top-actions { display: flex; gap: 8px; }
.text-button { border: 0; padding: 10px 13px; border-radius: 99px; background: transparent; color: var(--muted); cursor: pointer; }
.text-button:hover, .text-button:focus-visible { color: var(--ink); background: rgba(255,255,255,.72); outline: none; }
.shell { width: min(1180px, calc(100% - 36px)); margin: 0 auto; padding-bottom: 48px; }
.hero { display: grid; grid-template-columns: 1.25fr .75fr; gap: 48px; align-items: end; padding: 54px 4px 36px; }
.eyebrow { margin: 0 0 13px; text-transform: uppercase; letter-spacing: .15em; font-size: 12px; font-weight: 800; color: var(--violet); }
h1 { margin: 0; font-size: clamp(42px, 6.2vw, 78px); line-height: 1.03; letter-spacing: -.055em; }
h1 span { color: var(--violet); position: relative; white-space: nowrap; }
.hero-copy { max-width: 650px; margin: 24px 0 0; font-size: 17px; line-height: 1.8; color: var(--muted); }
.legend { display: grid; gap: 10px; }
.legend > div { display: grid; grid-template-columns: 14px 1fr auto; gap: 10px; align-items: center; padding: 15px 17px; border: 1px solid var(--line); border-radius: 16px; background: rgba(255,255,255,.52); }
.legend strong { font-size: 14px; }
.legend small { color: var(--muted); }
.dot { width: 9px; height: 9px; border-radius: 50%; }
.dot.accuracy { background: var(--pink); }.dot.generalization { background: var(--mint); }.dot.stability { background: var(--yellow); }
.lab { border: 1px solid rgba(255,255,255,.9); border-radius: 30px; padding: clamp(20px, 3vw, 36px); background: linear-gradient(rgba(252,249,255,.78),rgba(252,249,255,.88)), url("assets/fantasy-lab.png") center/cover; box-shadow: var(--shadow); backdrop-filter: blur(18px); position: relative; overflow: hidden; }
.lab::before { content:""; position:absolute; inset:0; pointer-events:none; background:linear-gradient(120deg,rgba(255,255,255,.32),transparent 42%,rgba(217,204,255,.18)); }
.lab > * { position:relative; z-index:1; }
.lab-head { display: flex; justify-content: space-between; align-items: start; gap: 20px; margin-bottom: 24px; }
.phase-label { margin: 0 0 7px; color: var(--violet); font-weight: 800; font-size: 13px; letter-spacing: .08em; }
.lab h2 { margin: 0; font-size: clamp(22px, 3vw, 32px); letter-spacing: -.03em; }
.round-counter { min-width: 94px; text-align: right; }
.round-counter span { font-size: 36px; font-weight: 900; }.round-counter small { color: var(--muted); }
.lab-grid { display: grid; grid-template-columns: 1.12fr .88fr; gap: 18px; }
.creature-stage, .dashboard { min-height: 370px; border: 1px solid rgba(255,255,255,.82); border-radius: 23px; background: rgba(251,248,255,.76); position: relative; overflow: hidden; box-shadow: inset 0 0 0 1px rgba(109,92,243,.05), 0 12px 35px rgba(81,63,144,.10); }
.creature-stage { display: grid; place-items: center; isolation: isolate; }
.creature-stage::before { content: ""; position: absolute; width: 290px; height: 290px; border-radius: 50%; background: radial-gradient(circle, rgba(109,92,243,.14), transparent 68%); }
.orbit { position: absolute; border: 1px dashed rgba(109,92,243,.2); border-radius: 50%; animation: spin 17s linear infinite; }
.orbit-one { width: 255px; height: 255px; }.orbit-two { width: 330px; height: 190px; animation-direction: reverse; animation-duration: 23s; }
.sprite { width: min(310px, 72%); aspect-ratio: 1.08; position: relative; transition: transform .3s ease, filter .4s ease; filter: grayscale(.26) saturate(.84); }
.sprite.awake { filter: none; animation: float 3.2s ease-in-out infinite; }
.sprite.testing { animation: pulse .7s ease-in-out 3; }
.sprite-glow { position: absolute; inset: 15%; border-radius: 50%; background: radial-gradient(circle, rgba(255,255,255,.9), rgba(143,112,255,.35) 50%, transparent 72%); filter: blur(8px); }
.sprite img { position:absolute; inset:0; width:100%; height:100%; object-fit:contain; filter:drop-shadow(0 18px 20px rgba(76,56,139,.22)); }
.spark { position: absolute; color: var(--yellow); text-shadow: 0 2px 6px rgba(246,189,70,.5); }.s1{left:0;top:20px}.s2{right:0;top:12px}.s3{right:12px;bottom:10px}
.stage-message { position: absolute; left: 20px; right: 20px; bottom: 18px; text-align: center; color: var(--muted); font-size: 13px; }
.dashboard { padding: 25px; }
.energy-row { display: flex; justify-content: space-between; align-items: center; color: var(--muted); font-size: 13px; margin-bottom: 27px; }
.energy-pips { display: flex; gap: 6px; }.energy-pips i { width: 13px; height: 20px; border-radius: 5px; background: #ddd9ea; transform: skew(-8deg); transition: .25s; }.energy-pips i.on { background: var(--violet); box-shadow: 0 4px 10px rgba(109,92,243,.25); }
.metric-list { display: grid; gap: 22px; }.metric-title { display: flex; justify-content: space-between; margin-bottom: 8px; font-size: 14px; }.metric-title strong { font-variant-numeric: tabular-nums; }
.track { height: 10px; border-radius: 99px; overflow: hidden; background: #eae7ef; }.fill { height: 100%; width: 20%; border-radius: inherit; transition: width .65s cubic-bezier(.2,.8,.2,1); }.fill-accuracy{background:var(--pink)}.fill-generalization{background:var(--mint)}.fill-stability{background:var(--yellow)}
.insight { margin-top: 29px; padding: 17px; border-radius: 15px; background: white; border: 1px solid var(--line); }.insight span { color: var(--violet); font-weight: 800; font-size: 12px; }.insight p { margin: 7px 0 0; color: var(--muted); font-size: 13px; line-height: 1.65; }
.action-zone { padding-top: 18px; }.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.action-card { text-align: left; border: 1px solid rgba(255,255,255,.9); border-radius: 19px; padding: 16px; background: linear-gradient(145deg,rgba(255,255,255,.9),rgba(243,238,255,.82)); cursor: pointer; color: var(--ink); transition: transform .18s, border-color .18s, box-shadow .18s; box-shadow:0 8px 22px rgba(75,56,137,.09); }
.action-card:hover:not(:disabled), .action-card:focus-visible { transform: translateY(-3px); border-color: rgba(109,92,243,.45); box-shadow: 0 10px 25px rgba(70,55,130,.10); outline: none; }
.action-card:disabled { opacity: .42; cursor: not-allowed; }.action-card.selected { border-color: var(--violet); background: #f2efff; }
.card-top { display: flex; justify-content: space-between; align-items: center; gap: 8px; }.card-icon { width:34px; height:34px; display:grid; place-items:center; border-radius:12px; font-size: 21px; color:#6852d6; background:linear-gradient(145deg,#fff,#ddd3ff); box-shadow:inset 0 0 0 1px rgba(109,92,243,.12); }.cost { color: var(--violet); font-size: 12px; font-weight: 900; }.action-card strong { display: block; margin: 14px 0 7px; }.action-card small { display: block; color: var(--muted); line-height: 1.5; min-height: 39px; }.gains { margin-top: 12px; color: var(--ink); font-size: 12px; font-weight: 700; }
.primary-button { display: block; min-width: 180px; margin: 18px auto 0; border: 0; border-radius: 99px; padding: 14px 24px; color: white; font-weight: 900; cursor: pointer; background: var(--ink); box-shadow: 0 10px 25px rgba(36,34,54,.2); transition: transform .18s, opacity .2s; }.primary-button:hover { transform: translateY(-2px); }.primary-button:disabled { opacity: .35; cursor: not-allowed; transform: none; }
.project-strip { display: grid; grid-template-columns: repeat(3,1fr); gap: 1px; margin-top: 20px; border: 1px solid var(--line); border-radius: 20px; overflow: hidden; background: var(--line); }
.project-strip div { background: rgba(251,248,242,.88); padding: 21px; }.project-strip span { font-size: 12px; color: var(--violet); font-weight: 800; }.project-strip p { margin: 9px 0 0; color: var(--muted); line-height: 1.6; font-size: 13px; }
.dialog { max-width: 650px; width: calc(100% - 30px); border: 0; border-radius: 25px; padding: 34px; color: var(--ink); box-shadow: var(--shadow); }.dialog::backdrop { background: rgba(28,24,52,.45); backdrop-filter: blur(5px); }.dialog-close { position: absolute; right: 18px; top: 15px; border: 0; background: transparent; font-size: 30px; color: var(--muted); cursor: pointer; }.dialog > p:not(.eyebrow,.signature) { line-height: 1.8; color: var(--muted); }.dialog-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; margin: 24px 0; }.dialog-grid div { padding: 15px; border-radius: 15px; background: #f6f3ff; }.dialog-grid strong,.dialog-grid span { display: block; }.dialog-grid span { margin-top: 8px; color: var(--muted); line-height: 1.55; font-size: 12px; }.signature { margin: 0; font-weight: 800; }
.result-card { position: absolute; inset: 0; z-index: 5; display: grid; place-items: center; align-content: center; text-align: center; padding: 24px; background: rgba(250,248,255,.93); backdrop-filter: blur(8px); }.result-card h2 { font-size: clamp(30px,5vw,50px); }.result-card > p:not(.eyebrow) { max-width: 520px; color: var(--muted); line-height: 1.75; }.score-ring { width: 125px; height: 125px; margin: 18px auto 5px; border-radius: 50%; display: grid; place-content: center; background: conic-gradient(var(--violet) var(--score), #e7e2f4 0); position: relative; }.score-ring::after { content:""; position:absolute; inset:9px; border-radius:50%; background:#fbf9ff; }.score-ring strong,.score-ring span { position: relative; z-index: 1; }.score-ring strong { font-size: 32px; }.score-ring span { font-size: 11px; color: var(--muted); }
@keyframes spin { to { transform: rotate(360deg); } } @keyframes float { 50% { transform: translateY(-9px) rotate(1deg); } } @keyframes pulse { 50% { transform: scale(1.12); } }
@media (max-width: 820px) { .hero { grid-template-columns: 1fr; padding-top: 34px; }.legend { grid-template-columns: repeat(3,1fr); }.legend > div { grid-template-columns: 12px 1fr; }.legend small { display:none; }.lab-grid { grid-template-columns:1fr; }.creature-stage { min-height: 300px; }.cards { grid-template-columns: repeat(2,1fr); }.project-strip { grid-template-columns:1fr; }.dialog-grid { grid-template-columns:1fr; } }
@media (max-width: 520px) { .topbar,.shell { width: min(100% - 22px,1180px); }.topbar { padding-top:14px; }.brand { font-size:14px; }.text-button { padding:8px; font-size:12px; } h1 { font-size:42px; }.hero { gap:26px; }.legend { grid-template-columns:1fr; }.legend small { display:block; }.lab { border-radius:22px; padding:15px; }.lab-head { align-items:center; }.lab-head h2 { font-size:20px; }.round-counter span { font-size:28px; }.cards { grid-template-columns:1fr; }.action-card small { min-height:auto; }.dialog { padding:27px 20px; } }
@media (prefers-reduced-motion: reduce) { *,*::before,*::after { animation-duration:.01ms!important; animation-iteration-count:1!important; scroll-behavior:auto!important; transition-duration:.01ms!important; } }