:root {
  --ink: #f4f0e6;
  --ink-soft: #cfc7b4;
  --muted: #9e96ac;
  --void: #080914;
  --void-2: #0d1022;
  --void-3: #13172f;
  --panel: rgba(18, 21, 43, .72);
  --panel-strong: rgba(10, 12, 27, .9);
  --line: rgba(226, 198, 112, .18);
  --line-cyan: rgba(142, 231, 210, .24);
  --gold: #e7c064;
  --gold-2: #ffe9a8;
  --cyan: #8de7d2;
  --cyan-2: #b9f7ff;
  --violet: #b879ff;
  --jade: #80d89f;
  --ember: #ff8263;
  --shadow: 0 28px 90px rgba(0, 0, 0, .42);
  --glow: 0 0 36px rgba(141, 231, 210, .18), 0 0 70px rgba(184, 121, 255, .12);
  --radius-xl: 32px;
  --radius-lg: 22px;
  --radius-md: 14px;
  --maxw: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  color: var(--ink);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", "Segoe UI", sans-serif;
  line-height: 1.72;
  background:
    radial-gradient(circle at 16% 8%, rgba(184, 121, 255, .22), transparent 28%),
    radial-gradient(circle at 88% 10%, rgba(141, 231, 210, .16), transparent 30%),
    radial-gradient(circle at 50% 100%, rgba(231, 192, 100, .12), transparent 28%),
    linear-gradient(145deg, #070711 0%, #0b0d1c 42%, #11132a 72%, #080914 100%);
}
body::before,
body::after,
.site-aurora {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -2;
}
body::before {
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px),
    radial-gradient(circle at 2px 2px, rgba(231,192,100,.16) 1px, transparent 1.2px);
  background-size: 46px 46px, 46px 46px, 92px 92px;
  mask-image: radial-gradient(circle at 50% 18%, black 0%, transparent 74%);
  opacity: .52;
}
body::after {
  z-index: -1;
  background:
    linear-gradient(116deg, transparent 0 43%, rgba(141,231,210,.08) 44%, transparent 45% 100%),
    linear-gradient(62deg, transparent 0 60%, rgba(231,192,100,.09) 61%, transparent 62% 100%);
  mix-blend-mode: screen;
  opacity: .62;
}
.site-aurora {
  background:
    radial-gradient(ellipse at 24% 22%, rgba(141,231,210,.24), transparent 36%),
    radial-gradient(ellipse at 82% 28%, rgba(184,121,255,.22), transparent 34%),
    radial-gradient(ellipse at 58% 70%, rgba(231,192,100,.14), transparent 30%);
  filter: blur(18px);
  opacity: .74;
}

@media (prefers-reduced-motion: no-preference) {
  .site-aurora { animation: auroraDrift 18s ease-in-out infinite alternate; }
  @keyframes auroraDrift { from { transform: translate3d(-1.5%, -1%, 0) scale(1); } to { transform: translate3d(1%, 1.2%, 0) scale(1.04); } }
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input, textarea { font: inherit; }
button { color: inherit; }
::selection { color: #091022; background: var(--gold-2); }
.container { width: min(calc(100% - 34px), var(--maxw)); margin: 0 auto; }
.section { padding: 88px 0; position: relative; }
.section-tight { padding: 48px 0; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(255,255,255,.08);
  background: linear-gradient(90deg, rgba(8, 9, 20, .82), rgba(14, 17, 35, .74));
  backdrop-filter: blur(18px) saturate(1.2);
}
.header-inner { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand { display: flex; align-items: center; gap: 14px; min-width: 0; }
.brand-mark {
  width: 50px; height: 50px; display: grid; place-items: center; flex: 0 0 auto;
  border-radius: 18px;
  background:
    radial-gradient(circle at 30% 20%, rgba(255,255,255,.34), transparent 32%),
    linear-gradient(135deg, rgba(141,231,210,.2), rgba(184,121,255,.18) 48%, rgba(231,192,100,.18));
  border: 1px solid rgba(255,255,255,.15);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.18), 0 16px 44px rgba(0,0,0,.34), var(--glow);
}
.brand-mark svg { width: 36px; height: 36px; }
.brand-copy strong { display: block; letter-spacing: .18em; font-size: .98rem; line-height: 1.1; }
.brand-copy span { display: block; color: var(--muted); font-size: .84rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.nav { display: flex; align-items: center; gap: 4px; padding: 6px; border: 1px solid rgba(255,255,255,.08); border-radius: 999px; background: rgba(255,255,255,.035); }
.nav a { position: relative; padding: 10px 14px; border-radius: 999px; color: var(--ink-soft); font-size: .93rem; transition: color .22s ease, background .22s ease; }
.nav a:hover, .nav a.active { color: #fff; background: linear-gradient(135deg, rgba(141,231,210,.14), rgba(184,121,255,.15)); }
.nav a.active::after { content: ""; position: absolute; left: 50%; bottom: 5px; width: 18px; height: 2px; transform: translateX(-50%); background: var(--gold); border-radius: 999px; box-shadow: 0 0 14px rgba(231,192,100,.8); }
.header-actions { display: flex; align-items: center; gap: 12px; }
.menu-toggle { display: none; width: 46px; height: 46px; padding: 0; border: 1px solid rgba(255,255,255,.12); border-radius: 16px; background: rgba(255,255,255,.06); cursor: pointer; }
.menu-toggle span { display: block; width: 20px; height: 2px; margin: 4px auto; background: var(--ink); border-radius: 999px; transition: transform .2s ease, opacity .2s ease; }
.menu-toggle.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.menu-toggle.open span:nth-child(2) { opacity: 0; }
.menu-toggle.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 50px; padding: 0 20px;
  border-radius: 999px; border: 1px solid transparent; font-weight: 800; letter-spacing: .02em; cursor: pointer;
  transition: transform .2s ease, border-color .2s ease, background .2s ease, box-shadow .2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { color: #0b0d1b; background: linear-gradient(135deg, var(--gold), var(--gold-2)); box-shadow: 0 16px 42px rgba(231,192,100,.24); }
.btn-secondary { color: #061419; background: linear-gradient(135deg, var(--cyan), var(--cyan-2)); box-shadow: 0 16px 42px rgba(141,231,210,.18); }
.btn-ghost { color: #fff; background: rgba(255,255,255,.045); border-color: rgba(255,255,255,.14); }
.btn-compact { min-height: 42px; padding: 0 16px; font-size: .9rem; }
.game-cta::before {
  content: "";
  width: 0;
  height: 0;
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
  border-left: 8px solid currentColor;
}

.hero { padding: 76px 0 38px; }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 38px; align-items: center; }
.hero-copy h1 { font-size: clamp(2.7rem, 5.8vw, 5.95rem); line-height: .98; letter-spacing: -.065em; margin: 0 0 24px; }
.hero-copy p, .page-lead, .section-desc { color: var(--ink-soft); font-size: 1.05rem; max-width: 760px; margin: 0; }
.kicker { display: inline-flex; align-items: center; gap: 10px; margin-bottom: 18px; padding: 8px 13px; border-radius: 999px; border: 1px solid rgba(141,231,210,.22); background: rgba(141,231,210,.08); color: var(--cyan-2); font-size: .82rem; letter-spacing: .12em; text-transform: uppercase; }
.kicker-dot { width: 8px; height: 8px; border-radius: 999px; background: var(--gold); box-shadow: 0 0 18px rgba(231,192,100,.9); }
.text-gradient { background: linear-gradient(90deg, #fff 0%, var(--cyan-2) 42%, var(--gold-2) 74%, var(--violet) 100%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-actions, .badge-row, .stat-row, .callout-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-actions { margin-top: 28px; }
.badge-row { margin-top: 24px; }
.badge, .pill { display: inline-flex; align-items: center; gap: 9px; padding: 10px 14px; border: 1px solid rgba(255,255,255,.1); border-radius: 999px; color: var(--ink-soft); background: rgba(255,255,255,.045); }
.badge i { font-style: normal; color: var(--gold); }
.badge strong, .pill strong { color: #fff; }

.hero-board, .panel, .card, .image-card, .quote-card, .callout, .metric, .team-card, .loop-card, .pain-card, .quest-card, .engine-card, .tier {
  border: 1px solid rgba(255,255,255,.1);
  background:
    linear-gradient(180deg, rgba(255,255,255,.075), rgba(255,255,255,.025)),
    var(--panel);
  box-shadow: var(--shadow);
}
.hero-board { position: relative; padding: 14px; border-radius: var(--radius-xl); overflow: hidden; }
.hero-board::before { content: ""; position: absolute; inset: -1px; background: linear-gradient(135deg, rgba(141,231,210,.24), transparent 28%, rgba(231,192,100,.18) 56%, transparent 72%, rgba(184,121,255,.24)); opacity: .55; pointer-events: none; }
.hero-board img { position: relative; border-radius: 24px; border: 1px solid rgba(255,255,255,.1); width: 100%; }
.board-toolbar, .board-status { position: relative; z-index: 1; display: flex; justify-content: space-between; align-items: center; gap: 10px; color: var(--ink-soft); font-size: .78rem; letter-spacing: .12em; text-transform: uppercase; padding: 0 4px 12px; }
.board-status { padding: 12px 4px 2px; flex-wrap: wrap; }
.board-status strong { color: var(--gold-2); margin-right: 5px; }

.eyebrow { display: inline-flex; align-items: center; gap: 10px; color: var(--cyan-2); font-size: .84rem; letter-spacing: .16em; text-transform: uppercase; margin-bottom: 14px; }
.eyebrow::before { content: ""; width: 34px; height: 1px; background: linear-gradient(90deg, var(--cyan), transparent); }
.section-title { font-size: clamp(2rem, 4.2vw, 4.15rem); line-height: 1.05; letter-spacing: -.045em; margin: 0 0 18px; }
.section-heading { max-width: 760px; }
.split-layout { display: grid; grid-template-columns: 1.05fr .95fr; gap: 28px; align-items: center; }
.custom-tokens { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.token-card { min-height: 150px; display: flex; flex-direction: column; justify-content: flex-end; gap: 6px; padding: 20px; border-radius: 26px; border: 1px solid rgba(255,255,255,.12); overflow: hidden; position: relative; box-shadow: var(--shadow); }
.token-card::before { content: ""; position: absolute; inset: 0; background-image: radial-gradient(circle at 24px 24px, rgba(255,255,255,.2) 1px, transparent 1.2px); background-size: 18px 18px; opacity: .33; }
.token-card span, .token-card strong { position: relative; }
.token-card span { color: rgba(255,255,255,.72); font-size: .82rem; text-transform: uppercase; letter-spacing: .14em; }
.token-card strong { font-size: 1.4rem; }
.token-a { background: linear-gradient(135deg, #3b165d, #171126); }
.token-b { background: linear-gradient(135deg, #0d6b70, #101829); }
.token-c { background: linear-gradient(135deg, #9a6824, #16101a); }
.token-d { background: linear-gradient(135deg, #126a49, #0e1420); }

.metric-strip { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.metric { padding: 22px; border-radius: 24px; }
.metric strong { display: block; font-size: clamp(1.8rem, 3vw, 2.6rem); line-height: 1; margin-bottom: 8px; color: var(--gold-2); }
.metric span { color: var(--ink-soft); }
.loop-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; margin-top: 30px; }
.loop-card { position: relative; padding: 24px; border-radius: 26px; min-height: 260px; overflow: hidden; }
.loop-card::after { content: ""; position: absolute; right: -30px; bottom: -30px; width: 112px; height: 112px; border: 1px solid rgba(231,192,100,.24); border-radius: 50%; box-shadow: inset 0 0 30px rgba(231,192,100,.08); }
.loop-card span { display: inline-grid; place-items: center; width: 42px; height: 42px; border-radius: 14px; background: rgba(231,192,100,.12); color: var(--gold-2); border: 1px solid rgba(231,192,100,.22); margin-bottom: 34px; }
.loop-card h3, .panel h3, .card h3, .team-card h3, .pain-card h3, .quest-card h3, .engine-card h3, .tier h3 { margin: 0 0 10px; font-size: 1.22rem; }
.loop-card p, .panel p, .card p, .team-card p, .pain-card p, .quest-card p, .engine-card p, .tier p { margin: 0; color: var(--ink-soft); }
.panel ul, .card ul, .team-card ul, .engine-card ul, .quote-card ul { color: var(--ink-soft); padding-left: 20px; margin: 14px 0 0; }
.panel li + li, .card li + li, .team-card li + li, .engine-card li + li { margin-top: 8px; }

.showcase { display: grid; grid-template-columns: 1.06fr .94fr; gap: 24px; align-items: stretch; }
.image-card { overflow: hidden; border-radius: var(--radius-xl); }
.image-card img { width: 100%; height: 100%; object-fit: cover; }
.image-card .caption { padding: 16px 18px 18px; color: var(--ink-soft); border-top: 1px solid rgba(255,255,255,.08); background: rgba(0,0,0,.16); }
.image-stack { display: grid; gap: 20px; }
.panel, .card, .quote-card { padding: 26px; border-radius: var(--radius-xl); }
.quote-card { display: flex; flex-direction: column; justify-content: center; min-height: 220px; background: linear-gradient(135deg, rgba(184,121,255,.16), rgba(141,231,210,.08)); }
.quote-card p { font-size: clamp(1.25rem, 2.4vw, 2rem); line-height: 1.35; margin: 0 0 18px; }
.quote-card span { color: var(--gold-2); letter-spacing: .1em; text-transform: uppercase; font-size: .78rem; }
.panel-accent { background: linear-gradient(135deg, rgba(231,192,100,.14), rgba(184,121,255,.1)), var(--panel); border-color: rgba(231,192,100,.22); }
.big-line { font-size: clamp(1.35rem, 2.8vw, 2.35rem); line-height: 1.25; color: #fff !important; margin-bottom: 14px !important; }
.callout { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 30px; border-radius: var(--radius-xl); background: linear-gradient(135deg, rgba(141,231,210,.14), rgba(184,121,255,.12)), var(--panel-strong); }
.callout h2 { margin: 0; font-size: clamp(1.8rem, 3vw, 3rem); line-height: 1.1; }
.callout p { margin: 10px 0 0; color: var(--ink-soft); }

.footer { padding: 36px 0 58px; color: var(--muted); }
.footer-grid { display: grid; grid-template-columns: 1fr auto auto; gap: 24px; align-items: end; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.1); }
.footer-brand { color: var(--ink); font-weight: 900; letter-spacing: .16em; }
.footer p { margin: 8px 0 0; max-width: 520px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 10px; }
.footer-links a { padding: 8px 12px; border: 1px solid rgba(255,255,255,.08); border-radius: 999px; background: rgba(255,255,255,.035); color: var(--ink-soft); }
.footer-note { display: grid; gap: 3px; font-size: .82rem; text-align: right; }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.note { color: var(--muted); font-size: .92rem; }

@media (max-width: 1080px) {
  .header-actions .btn { display: none; }
  .nav a { padding: 9px 11px; }
  .hero-grid, .split-layout, .showcase { grid-template-columns: 1fr; }
  .loop-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-grid { grid-template-columns: 1fr; align-items: start; }
  .footer-note { text-align: left; }
}
@media (max-width: 860px) {
  .container { width: min(calc(100% - 28px), var(--maxw)); }
  .section { padding: 68px 0; }
  .header-inner { min-height: 72px; }
  .menu-toggle { display: block; }
  .nav { position: fixed; top: 82px; left: 14px; right: 14px; display: grid; gap: 8px; padding: 14px; border-radius: 24px; transform: translateY(-12px); opacity: 0; pointer-events: none; background: rgba(8,9,20,.96); box-shadow: var(--shadow); }
  .nav.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav a { display: block; padding: 13px 15px; }
  .brand-copy span { display: none; }
  .metric-strip, .custom-tokens { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero-copy h1 { font-size: clamp(2.55rem, 14vw, 4.6rem); }
  .callout { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 620px) {
  .metric-strip, .loop-grid, .custom-tokens { grid-template-columns: 1fr; }
  .hero { padding-top: 54px; }
  .badge, .pill { width: 100%; justify-content: flex-start; }
  .board-status { display: grid; }
}

:root {
  --pt-void: #050716;
  --pt-navy: #101827;
  --pt-panel: #172435;
  --pt-gold: #ffc83d;
  --pt-gold-2: #ffe28a;
  --pt-muted: #8fa0bb;
}
body {
  background:
    radial-gradient(circle at 16% -4%, rgba(255,200,61,.11), transparent 34%),
    radial-gradient(circle at 88% 10%, rgba(60,124,196,.12), transparent 32%),
    linear-gradient(180deg, var(--pt-void), #0b1324 60%, #080d1d);
}
.text-gradient,
.planar-menu-title {
  background: linear-gradient(180deg, #ffe88e 0%, var(--pt-gold) 55%, #f1a92b 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.site-header {
  background: rgba(5,7,22,.82);
  border-bottom-color: rgba(112,132,165,.24);
}
.btn-primary {
  background: linear-gradient(135deg, var(--pt-gold), var(--pt-gold-2));
}
.badge,
.panel,
.image-card,
.loop-card,
.metric,
.tier,
.team-card,
.timeline-card,
.pain-card {
  background: linear-gradient(180deg, rgba(24,37,56,.78), rgba(16,26,43,.82));
  border-color: rgba(112,132,165,.26);
}