:root {
  --bg: #08080d;
  --surface: #13131c;
  --surface-2: #1a1a25;
  --line: #28283a;
  --line-soft: #1d1d2c;
  --text: #ece6da;
  --muted: #8a8499;
  --dim: #5d566c;

  --cinema: #ffa654;
  --cinema-glow: rgba(255, 166, 84, 0.32);
  --noir: #d54860;
  --neon: #5fdcff;
  --anime: #ff7bbf;
  --scifi: #a87aff;
  --hk: #5fbf99;
  --grain: #a89888;

  --primary: var(--cinema);
  --primary-glow: var(--cinema-glow);

  --display: 'Bebas Neue', 'Noto Sans SC', sans-serif;
  --body: 'Lato', system-ui, sans-serif;
  --mono: 'JetBrains Mono', monospace;
  --cjk-display: 'Noto Sans SC', sans-serif;
  --cjk-body: 'Noto Sans SC', sans-serif;
  --serif: 'Spectral', serif;
}

[data-theme="light"] {
  --bg: #f5f1e8;
  --surface: #ffffff;
  --surface-2: #ece5d2;
  --line: #d3c9b4;
  --line-soft: #e3dccd;
  --text: #1d1a16;
  --muted: #5d574c;
  --dim: #9c93a5;

  --cinema: #b86220;
  --cinema-glow: rgba(184, 98, 32, 0.16);
  --noir: #b22d44;
  --neon: #1f8aa8;
  --anime: #c14872;
  --scifi: #6b48d4;
  --hk: #2c8a6a;
  --grain: #735d4d;

  --primary: var(--cinema);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body { background: var(--bg); color: var(--text); font-family: var(--body); -webkit-font-smoothing: antialiased; line-height: 1.6; overflow-x: hidden; }

html[data-lang="en"] [lang="zh"] { display: none; }
html[data-lang="zh"] [lang="en"] { display: none; }
html[data-lang="zh"] body { font-family: var(--cjk-body); }
html[data-lang="zh"] h1, html[data-lang="zh"] h2, html[data-lang="zh"] h3, html[data-lang="zh"] .display { font-family: var(--cjk-display); }

.wrap { max-width: 1180px; margin: 0 auto; padding: 0 24px; }
a { color: inherit; text-decoration: none; } a:hover { color: var(--cinema); }

.nav { position: sticky; top: 0; z-index: 50; background: color-mix(in srgb, var(--bg) 85%, transparent); backdrop-filter: blur(14px); border-bottom: 1px solid var(--line-soft); }
.nav-inner { display: flex; align-items: center; gap: 28px; padding: 14px 24px; max-width: 1180px; margin: 0 auto; }
.brand { display: flex; align-items: center; gap: 10px; font-family: var(--display); font-weight: 400; }
.brand-mark { width: 32px; height: 22px; background: linear-gradient(90deg, var(--cinema), var(--noir)); position: relative; clip-path: polygon(0 25%, 8% 25%, 8% 0, 16% 0, 16% 25%, 25% 25%, 25% 0, 33% 0, 33% 25%, 67% 25%, 67% 0, 75% 0, 75% 25%, 84% 25%, 84% 0, 92% 0, 92% 25%, 100% 25%, 100% 75%, 92% 75%, 92% 100%, 84% 100%, 84% 75%, 75% 75%, 75% 100%, 67% 100%, 67% 75%, 33% 75%, 33% 100%, 25% 100%, 25% 75%, 16% 75%, 16% 100%, 8% 100%, 8% 75%, 0 75%); }
.brand-name { font-size: 22px; letter-spacing: 0.05em; }
.nav-links { display: flex; gap: 18px; margin-left: auto; font-size: 13px; color: var(--muted); }
.nav-links a:hover { color: var(--text); }
.nav-ctrl { display: flex; gap: 6px; }
.btn { font-family: var(--mono); font-size: 11px; letter-spacing: 0.06em; padding: 7px 12px; background: transparent; color: var(--muted); border: 1px solid var(--line); border-radius: 6px; cursor: pointer; transition: all 0.15s; }
.btn:hover { color: var(--text); border-color: var(--cinema); }

.hero { position: relative; padding: 100px 0 80px; overflow: hidden; }
.hero::before { content: ''; position: absolute; inset: 0; background: radial-gradient(50% 35% at 25% 35%, var(--cinema-glow), transparent 70%), radial-gradient(45% 30% at 80% 60%, rgba(95, 220, 255, 0.18), transparent 70%); opacity: 0.55; filter: blur(50px); pointer-events: none; }
[data-theme="light"] .hero::before { opacity: 0.22; }

.hero-grid { position: relative; display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
@media (max-width: 880px) { .hero-grid { grid-template-columns: 1fr; gap: 40px; } }

.eyebrow { font-family: var(--mono); font-size: 11px; letter-spacing: 0.18em; color: var(--muted); text-transform: uppercase; margin-bottom: 22px; }
h1.display { font-family: var(--display); font-weight: 400; font-size: clamp(54px, 7.5vw, 88px); line-height: 1; letter-spacing: 0.005em; margin: 0 0 22px; }
h1.display em { font-style: italic; color: var(--cinema); font-family: var(--serif); font-weight: 500; }
.lede { font-size: 17px; color: var(--muted); max-width: 56ch; margin: 0 0 28px; }
.tags { display: flex; gap: 8px; flex-wrap: wrap; }
.tag { font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em; color: var(--muted); border: 1px solid var(--line); padding: 5px 10px; border-radius: 100px; }

.cinema-viz { position: relative; aspect-ratio: 1 / 1; max-width: 520px; margin: 0 auto; }
.cinema-viz svg { width: 100%; height: 100%; }

section { padding: 80px 0; border-top: 1px solid var(--line-soft); }
.sec-head { margin-bottom: 44px; }
.sec-tag { font-family: var(--mono); font-size: 11px; letter-spacing: 0.16em; color: var(--cinema); text-transform: uppercase; margin-bottom: 14px; }
h2 { font-family: var(--display); font-weight: 400; font-size: clamp(40px, 5vw, 64px); line-height: 1.04; letter-spacing: 0.005em; margin: 0 0 14px; max-width: 22ch; }
h2 em { font-style: italic; color: var(--cinema); font-family: var(--serif); font-weight: 500; }
.sec-lede { color: var(--muted); max-width: 66ch; font-size: 16px; }

.grid { display: grid; gap: 16px; }
.grid.c2 { grid-template-columns: repeat(2, 1fr); }
.grid.c3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 880px) { .grid.c2, .grid.c3 { grid-template-columns: 1fr; } }

.card { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 24px; transition: all 0.2s; cursor: pointer; }
.card:hover { transform: translateY(-2px); }
.card[data-s="wkw"]      { border-left: 3px solid var(--cinema); }
.card[data-s="nolan"]    { border-left: 3px solid var(--scifi); }
.card[data-s="cyberpunk"]{ border-left: 3px solid var(--neon); }
.card[data-s="anime"]    { border-left: 3px solid var(--anime); }
.card[data-s="noir"]     { border-left: 3px solid var(--noir); }
.card[data-s="scifi"]    { border-left: 3px solid var(--scifi); }
.card[data-s="hk"]       { border-left: 3px solid var(--hk); }
.card-tag { font-family: var(--mono); font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); margin-bottom: 10px; }
.card h3 { font-family: var(--display); font-weight: 400; font-size: 30px; margin: 0 0 12px; line-height: 1; letter-spacing: 0.01em; }
.card p { color: var(--muted); font-size: 14px; margin: 0 0 6px; }
.card .row { display: flex; gap: 8px; font-size: 13.5px; margin-bottom: 4px; }
.card .row .lab { font-family: var(--mono); font-size: 10.5px; color: var(--muted); letter-spacing: 0.06em; text-transform: uppercase; min-width: 80px; }
.card .row .val { color: var(--text); flex: 1; font-family: var(--serif); font-style: italic; }

.engine { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 28px; }
.engine .controls { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 18px; }
@media (max-width: 880px) { .engine .controls { grid-template-columns: 1fr; } }
.engine label { font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em; color: var(--muted); text-transform: uppercase; display: block; margin-bottom: 6px; }
.engine select, .engine textarea { width: 100%; background: var(--surface-2); color: var(--text); border: 1px solid var(--line); border-radius: 6px; padding: 10px; font-family: var(--body); font-size: 14px; }
.engine textarea { min-height: 70px; resize: vertical; }
.engine button.go { background: var(--cinema); color: #1a0d05; border: 0; padding: 12px 26px; border-radius: 8px; font-family: var(--mono); font-size: 12px; letter-spacing: 0.08em; cursor: pointer; font-weight: 700; }
.engine-out { margin-top: 24px; padding: 28px 32px; background: var(--surface-2); border-left: 3px solid var(--cinema); border-radius: 6px; line-height: 1.85; min-height: 100px; font-family: var(--serif); font-size: 17px; font-style: italic; color: var(--text); }
.engine-out:empty::before { content: 'Pick a style. Give it a life event. Press Cut.'; color: var(--dim); font-style: italic; }
html[data-lang="zh"] .engine-out:empty::before { content: '挑一种风格。给它一个生活事件。按"开拍"。'; }

.mirror-wrap { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 28px; }
.prompt-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 10px; margin-bottom: 18px; }
.prompt-btn { background: var(--surface-2); border: 1px solid var(--line); color: var(--text); text-align: left; padding: 14px 16px; border-radius: 10px; cursor: pointer; font-family: var(--body); font-size: 13px; transition: all 0.18s; }
.prompt-btn:hover { border-color: var(--cinema); transform: translateY(-1px); }
.prompt-btn .pt-tag { font-family: var(--mono); font-size: 10px; letter-spacing: 0.1em; color: var(--cinema); text-transform: uppercase; display: block; margin-bottom: 6px; }
.prompt-btn strong { font-family: var(--display); font-size: 18px; letter-spacing: 0.01em; }
.mirror-input { display: flex; gap: 10px; margin-bottom: 16px; }
.mirror-input textarea { flex: 1; background: var(--surface-2); border: 1px solid var(--line); border-radius: 8px; padding: 12px; font-family: var(--body); font-size: 14px; color: var(--text); resize: vertical; min-height: 70px; }
.mirror-input textarea:focus { outline: none; border-color: var(--cinema); }
.mirror-input button { background: var(--cinema); color: #1a0d05; border: 0; border-radius: 8px; padding: 0 26px; font-family: var(--mono); font-size: 12px; letter-spacing: 0.08em; cursor: pointer; font-weight: 700; }
.mirror-out { background: var(--surface-2); border-left: 3px solid var(--cinema); border-radius: 6px; padding: 22px 24px; font-size: 15px; line-height: 1.7; white-space: pre-wrap; min-height: 80px; color: var(--text); }
.mirror-out:empty::before { content: 'Pick a probe above or describe a question.'; color: var(--dim); font-style: italic; }
html[data-lang="zh"] .mirror-out:empty::before { content: '从上方选择一个探针，或描述一个问题。'; }

.rails { background: var(--surface); border: 1px solid var(--line); border-left: 3px solid var(--noir); border-radius: 14px; padding: 26px 28px; }
.rails h3 { font-family: var(--display); margin: 0 0 14px; font-size: 30px; color: var(--noir); letter-spacing: 0.01em; }
.rails ul { margin: 0; padding-left: 20px; color: var(--muted); font-size: 14.5px; }
.rails li { margin-bottom: 10px; }

footer { border-top: 1px solid var(--line-soft); padding: 40px 24px; color: var(--muted); font-size: 13px; text-align: center; }
footer a { color: var(--muted); border-bottom: 1px dotted var(--line); }
footer a:hover { color: var(--cinema); }