/* ============================================================
   LANDING PAGE — V1.6 cinematic redesign
   Apple-inspired scroll narrative · 8-section storytelling
   核心 ease: cubic-bezier(0.22, 1, 0.36, 1)
   ============================================================ */

:root {
  --lp-bg: #050507;
  --lp-bg-2: #0a0814;
  --lp-bg-3: #100c1c;
  --lp-ink: #f1f0fa;
  --lp-ink-2: #e3e1f0;
  --lp-mist: #9d9bb0;
  --lp-mist-2: #6f6d82;
  --lp-line: rgba(255,255,255,0.06);
  --lp-line-2: rgba(255,255,255,0.12);
  --lp-line-strong: rgba(255,255,255,0.18);
  --lp-purple: #a855f7;
  --lp-purple-2: #7c3aed;
  --lp-purple-3: #c4b5fd;
  --lp-purple-4: #6d28d9;
  --lp-purple-soft: rgba(168,85,247,0.18);
  --lp-purple-glow: rgba(168,85,247,0.42);
  --lp-cyan: #22d3ee;
  --lp-pink: #ec4899;
  --lp-up: #20c997;
  --lp-dn: #ef4444;
  --lp-amber: #f59e0b;
  --lp-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --lp-ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --lp-ease-snap: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ── Body & global ───────────────────────────────────── */
.lp-body {
  background: var(--lp-bg);
  color: var(--lp-ink);
  font-family: "Manrope","Noto Sans TC",system-ui,sans-serif;
  margin: 0;
  overflow-x: hidden;
  cursor: none;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
.lp-body * { box-sizing: border-box; }
.lp-body a { color: inherit; text-decoration: none; }
.lp-body button { cursor: none; border: none; background: none; color: inherit; font: inherit; }

@media (max-width: 880px) {
  .lp-body { cursor: auto; }
  .lp-cursor, .lp-cursor-dot { display: none !important; }
}

/* ── Reactive cursor ─────────────────────────────────── */
.lp-cursor {
  position: fixed;
  top: 0; left: 0;
  width: 36px; height: 36px;
  border: 1.5px solid rgba(196,181,253,0.55);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform: translate3d(-100px,-100px,0);
  transition: width .25s var(--lp-ease), height .25s var(--lp-ease), border-color .2s ease, background .2s ease;
  mix-blend-mode: difference;
}
.lp-cursor.is-hover {
  width: 64px; height: 64px;
  border-color: rgba(196,181,253,0.95);
  background: rgba(168,85,247,0.18);
}
.lp-cursor-dot {
  position: fixed;
  top: 0; left: 0;
  width: 6px; height: 6px;
  background: var(--lp-purple-3);
  border-radius: 50%;
  pointer-events: none;
  z-index: 10000;
  transform: translate3d(-100px,-100px,0);
  box-shadow: 0 0 14px var(--lp-purple-glow);
}

/* ── Ambient background ──────────────────────────────── */
.lp-aurora {
  position: fixed;
  inset: 0;
  z-index: -3;
  overflow: hidden;
  background:
    radial-gradient(circle at 18% 12%, rgba(124,58,237,0.20), transparent 50%),
    radial-gradient(circle at 82% 78%, rgba(236,72,153,0.10), transparent 55%),
    linear-gradient(180deg, var(--lp-bg) 0%, var(--lp-bg-2) 50%, var(--lp-bg) 100%);
}
.lp-aurora-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.55;
  will-change: transform;
}
.lp-aurora-1 {
  width: 560px; height: 560px;
  background: radial-gradient(circle, var(--lp-purple) 0%, transparent 70%);
  top: -120px; left: -160px;
  animation: lpFloat1 18s ease-in-out infinite alternate;
}
.lp-aurora-2 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, var(--lp-purple-2) 0%, transparent 70%);
  top: 38%; right: -130px;
  animation: lpFloat2 22s ease-in-out infinite alternate;
}
.lp-aurora-3 {
  width: 420px; height: 420px;
  background: radial-gradient(circle, var(--lp-cyan) 0%, transparent 70%);
  bottom: -120px; left: 38%;
  opacity: 0.22;
  animation: lpFloat3 26s ease-in-out infinite alternate;
}
@keyframes lpFloat1 { from { transform: translate(0,0) scale(1); } to { transform: translate(120px,80px) scale(1.15); } }
@keyframes lpFloat2 { from { transform: translate(0,0) scale(1); } to { transform: translate(-100px,-60px) scale(1.1); } }
@keyframes lpFloat3 { from { transform: translate(0,0) scale(1); } to { transform: translate(80px,-100px) scale(1.2); } }

.lp-grid {
  position: fixed;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at 50% 0%, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 0%, black 30%, transparent 80%);
}
.lp-grain {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.04;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence baseFrequency='0.9' numOctaves='2'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}

/* ── Navigation ──────────────────────────────────────── */
.lp-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 18px 0;
  transition: padding .3s var(--lp-ease), background .3s var(--lp-ease), border-color .3s ease, backdrop-filter .3s ease;
  border-bottom: 1px solid transparent;
}
.lp-nav.is-scrolled {
  padding: 10px 0;
  background: rgba(5,5,7,0.75);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  border-bottom-color: var(--lp-line);
}
.lp-nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  gap: 32px;
}
.lp-brand { display: flex; align-items: center; gap: 10px; }
.lp-brand-name {
  font-size: 16px; font-weight: 800;
  letter-spacing: -0.01em;
  background: linear-gradient(120deg, #fff, var(--lp-purple-3));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
}
.lp-nav-links { display: flex; gap: 28px; margin: 0 auto; }
.lp-nav-link {
  font-size: 13px; font-weight: 500;
  color: var(--lp-mist);
  position: relative;
  padding: 6px 0;
  transition: color .2s ease;
}
.lp-nav-link::after {
  content: "";
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 1px;
  background: var(--lp-purple-3);
  transition: width .25s var(--lp-ease);
}
.lp-nav-link:hover { color: var(--lp-ink); }
.lp-nav-link:hover::after { width: 100%; }
.lp-nav-cta { display: flex; gap: 10px; }

@media (max-width: 880px) {
  .lp-nav-links { display: none; }
  .lp-nav-inner { padding: 0 18px; gap: 14px; }
}

/* ── Buttons ─────────────────────────────────────────── */
.lp-btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 13px; font-weight: 600;
  letter-spacing: 0.02em;
  border: 1px solid transparent;
  transition: transform .25s var(--lp-ease-snap), box-shadow .25s var(--lp-ease), background .25s var(--lp-ease), border-color .25s var(--lp-ease);
  will-change: transform;
  white-space: nowrap;
  cursor: none;
}
.lp-btn svg { width: 14px; height: 14px; }
.lp-btn-ghost {
  background: transparent;
  color: var(--lp-ink);
  border-color: var(--lp-line-strong);
}
.lp-btn-ghost:hover { border-color: var(--lp-purple-3); background: rgba(255,255,255,0.04); }
.lp-btn-primary {
  background: linear-gradient(135deg, var(--lp-purple) 0%, var(--lp-purple-2) 100%);
  color: #fff;
  box-shadow: 0 8px 24px -8px var(--lp-purple-glow), inset 0 1px 0 rgba(255,255,255,0.18);
}
.lp-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 40px -10px var(--lp-purple-glow), 0 0 30px -5px var(--lp-purple), inset 0 1px 0 rgba(255,255,255,0.25);
}
.lp-btn-outline {
  background: rgba(255,255,255,0.03);
  color: var(--lp-ink);
  border-color: var(--lp-line-strong);
  backdrop-filter: blur(10px);
}
.lp-btn-outline:hover { border-color: var(--lp-purple-3); background: rgba(168,85,247,0.08); }
.lp-btn-lg { padding: 14px 28px; font-size: 14px; }
.lp-btn-lg svg { width: 16px; height: 16px; }
.lp-btn-xl { padding: 18px 38px; font-size: 16px; }
.lp-btn-xl svg { width: 20px; height: 20px; }

/* ── Common typography ───────────────────────────────── */
.lp-eyebrow {
  font-family: "JetBrains Mono",monospace;
  font-size: 11px;
  color: var(--lp-purple-3);
  letter-spacing: 0.28em;
  margin: 0 0 14px;
  text-transform: uppercase;
  display: inline-block;
}
.lp-eyebrow::before {
  content: "—— ";
  color: var(--lp-purple);
}
.lp-h2 {
  font-size: clamp(32px, 5.2vw, 60px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.025em;
  margin: 0;
  color: var(--lp-ink);
}
.lp-sub {
  font-size: 16px;
  color: var(--lp-mist);
  line-height: 1.7;
  margin: 18px auto 0;
  max-width: 640px;
}
.lp-grad {
  background: linear-gradient(120deg, #fff 0%, var(--lp-purple-3) 35%, var(--lp-purple) 65%, var(--lp-pink) 100%);
  background-size: 200% 200%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
  animation: lpGradShift 8s ease infinite;
}
@keyframes lpGradShift {
  0%,100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}
.lp-section-head {
  text-align: center;
  margin: 0 auto 64px;
  max-width: 880px;
}

/* ============================================================
   SECTION 1 — HERO
   ============================================================ */
.lp-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 140px 32px 80px;
  overflow: hidden;
}
.lp-hero-orb {
  position: absolute;
  width: 720px; height: 720px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(168,85,247,0.32) 0%, rgba(124,58,237,0.18) 30%, transparent 70%);
  filter: blur(80px);
  pointer-events: none;
  top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  transition: transform .18s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: transform;
}
.lp-hero-grid {
  position: relative;
  max-width: 1320px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 48px;
  align-items: center;
  z-index: 2;
}
.lp-hero-copy { max-width: 600px; }
.lp-hero-badge {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 7px 16px;
  border-radius: 999px;
  background: rgba(168,85,247,0.10);
  border: 1px solid rgba(168,85,247,0.32);
  font-size: 12px;
  font-weight: 600;
  color: var(--lp-purple-3);
  margin-bottom: 28px;
}
.lp-pulse {
  width: 8px; height: 8px;
  background: var(--lp-purple);
  border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(168,85,247,0.7);
  animation: lpPulse 2s infinite;
}
@keyframes lpPulse {
  0% { box-shadow: 0 0 0 0 rgba(168,85,247,0.7); }
  70% { box-shadow: 0 0 0 12px rgba(168,85,247,0); }
  100% { box-shadow: 0 0 0 0 rgba(168,85,247,0); }
}
.lp-hero-title {
  font-size: clamp(40px, 5.8vw, 76px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.035em;
  margin: 0 0 24px;
}
.lp-line { display: block; }
.lp-num-strike {
  position: relative;
  display: inline-block;
  color: var(--lp-mist);
}
.lp-num-strike::after {
  content: "";
  position: absolute;
  left: -2%; right: -2%;
  top: 52%;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--lp-dn), transparent);
  transform: scaleX(0);
  transform-origin: left;
  animation: lpStrike 1.4s var(--lp-ease) 1.6s forwards;
}
@keyframes lpStrike { to { transform: scaleX(1); } }
.lp-num-pop {
  display: inline-block;
  animation: lpNumPop 1s var(--lp-ease-snap) 2.2s both;
}
.lp-num-pop-sm {
  display: inline-block;
  background: linear-gradient(120deg, #fff, var(--lp-purple-3) 50%, var(--lp-purple) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
}
@keyframes lpNumPop {
  0% { transform: scale(0.6); opacity: 0; filter: blur(8px); }
  60% { transform: scale(1.08); opacity: 1; filter: blur(0); }
  100% { transform: scale(1); opacity: 1; }
}
.lp-hero-sub {
  font-size: clamp(15px, 1.4vw, 17px);
  color: var(--lp-mist);
  line-height: 1.75;
  margin: 0 0 32px;
}
.lp-hero-cta {
  display: flex; gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 44px;
}

.lp-hero-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 36px;
}
.lp-stat {
  display: flex; flex-direction: column;
  padding: 14px 12px;
  background: rgba(255,255,255,0.025);
  border: 1px solid var(--lp-line);
  border-radius: 14px;
  transition: border-color .3s var(--lp-ease), background .3s var(--lp-ease);
}
.lp-stat:hover { border-color: rgba(168,85,247,0.32); background: rgba(168,85,247,0.05); }
.lp-stat-num {
  font-size: 24px; font-weight: 800;
  background: linear-gradient(180deg, #fff, var(--lp-purple-3));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
  font-variant-numeric: tabular-nums;
  line-height: 1;
}
.lp-stat-lbl {
  font-size: 11px;
  color: var(--lp-mist);
  margin-top: 8px;
  letter-spacing: 0.02em;
}
@media (max-width: 640px) {
  .lp-hero-stats { grid-template-columns: repeat(2, 1fr); }
}

.lp-hero-trust { margin-top: 8px; }
.lp-hero-trust-label {
  display: block;
  font-size: 12px;
  color: var(--lp-mist-2);
  letter-spacing: 0.02em;
  margin-bottom: 12px;
}
.lp-hero-trust-row {
  display: flex; flex-wrap: wrap; align-items: center;
  gap: 24px;
}
.lp-trust-logo {
  font-size: 14px;
  font-weight: 700;
  color: var(--lp-mist);
  letter-spacing: -0.01em;
  filter: grayscale(0.4);
  transition: color .25s var(--lp-ease), filter .25s var(--lp-ease);
}
.lp-trust-logo span { color: var(--lp-purple-3); }
.lp-trust-logo:hover { color: var(--lp-ink); filter: grayscale(0); }

/* Hero mockup card */
.lp-hero-mock {
  position: relative;
  perspective: 1600px;
}
.lp-mock-glow {
  position: absolute;
  inset: -40px;
  background: radial-gradient(ellipse at center, rgba(168,85,247,0.25), transparent 70%);
  filter: blur(40px);
  z-index: 0;
  pointer-events: none;
}
.lp-mock-card {
  position: relative;
  background: linear-gradient(180deg, rgba(20,18,32,0.96), rgba(12,10,22,0.96));
  border: 1px solid var(--lp-line-2);
  border-radius: 22px;
  padding: 0;
  box-shadow:
    0 60px 100px -30px rgba(0,0,0,0.7),
    0 0 0 1px rgba(168,85,247,0.08) inset,
    0 1px 0 rgba(255,255,255,0.06) inset;
  overflow: hidden;
  transform: rotateY(-3deg) rotateX(2deg);
  transition: transform .4s var(--lp-ease);
  z-index: 1;
}
.lp-mock-card:hover { transform: rotateY(0) rotateX(0); }
.lp-mock-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px 14px;
  border-bottom: 1px solid var(--lp-line);
}
.lp-mock-tickerbox { display: flex; gap: 10px; align-items: flex-start; }
.lp-mock-star { color: var(--lp-amber); font-size: 18px; }
.lp-mock-ticker {
  font-size: 16px; font-weight: 800;
  letter-spacing: -0.01em;
}
.lp-mock-ticker span {
  font-size: 12px; font-weight: 500;
  color: var(--lp-mist);
  margin-left: 6px;
}
.lp-mock-price {
  font-size: 18px; font-weight: 800;
  margin-top: 4px;
  font-variant-numeric: tabular-nums;
}
.lp-mock-price b { color: var(--lp-ink); }
.lp-mock-price em.up { color: var(--lp-up); font-style: normal; font-weight: 600; font-size: 13px; margin-left: 6px; }
.lp-mock-meta {
  font-size: 10px;
  color: var(--lp-mist-2);
  margin-top: 4px;
  letter-spacing: 0.04em;
  font-family: "JetBrains Mono",monospace;
}
.lp-mock-actions { display: flex; gap: 8px; color: var(--lp-mist-2); font-size: 13px; }

.lp-mock-body {
  display: grid;
  grid-template-columns: 110px 1fr;
  min-height: 360px;
}
.lp-mock-side {
  border-right: 1px solid var(--lp-line);
  padding: 14px 0;
  font-size: 11px;
}
.lp-mock-side-item {
  padding: 7px 16px;
  color: var(--lp-mist);
  border-left: 2px solid transparent;
  transition: all .2s var(--lp-ease);
}
.lp-mock-side-item.is-active {
  color: var(--lp-purple-3);
  background: rgba(168,85,247,0.08);
  border-left-color: var(--lp-purple);
}
.lp-mock-main {
  padding: 18px 22px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.lp-mock-summary-title,
.lp-mock-stat-title,
.lp-mock-chart-title {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--lp-purple-3);
  font-family: "JetBrains Mono",monospace;
  margin-bottom: 8px;
  text-transform: uppercase;
}
.lp-mock-summary p {
  font-size: 12.5px;
  color: var(--lp-mist);
  line-height: 1.7;
  margin: 0;
}
.lp-mock-stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}
.lp-mock-stat-grid > div {
  padding: 10px 12px;
  background: rgba(255,255,255,0.03);
  border-radius: 10px;
  border: 1px solid var(--lp-line);
}
.lp-mock-stat-grid span {
  display: block;
  font-size: 10px;
  color: var(--lp-mist-2);
  margin-bottom: 4px;
  letter-spacing: 0.04em;
}
.lp-mock-stat-grid b {
  font-size: 14px;
  font-weight: 800;
  color: var(--lp-ink);
  font-variant-numeric: tabular-nums;
}
.lp-mock-stat-grid b.up { color: var(--lp-up); }
.lp-mock-bars {
  display: flex; align-items: flex-end;
  gap: 6px;
  height: 90px;
  padding-top: 4px;
}
.lp-mock-bar {
  flex: 1;
  height: var(--h);
  background: linear-gradient(180deg, var(--lp-purple-3), var(--lp-purple-2));
  border-radius: 4px 4px 0 0;
  position: relative;
  opacity: 0;
  transform: scaleY(0);
  transform-origin: bottom;
  animation: lpBarRise 0.6s var(--lp-ease-out) forwards;
}
.lp-mock-bars .lp-mock-bar:nth-child(1) { animation-delay: 1.6s; }
.lp-mock-bars .lp-mock-bar:nth-child(2) { animation-delay: 1.7s; }
.lp-mock-bars .lp-mock-bar:nth-child(3) { animation-delay: 1.8s; }
.lp-mock-bars .lp-mock-bar:nth-child(4) { animation-delay: 1.9s; }
.lp-mock-bars .lp-mock-bar:nth-child(5) { animation-delay: 2.0s; }
.lp-mock-bars .lp-mock-bar:nth-child(6) { animation-delay: 2.1s; }
.lp-mock-bars .lp-mock-bar:nth-child(7) { animation-delay: 2.2s; }
.lp-mock-bars .lp-mock-bar:nth-child(8) { animation-delay: 2.3s; }
.lp-mock-bar span {
  display: none;
}
@keyframes lpBarRise {
  from { opacity: 0; transform: scaleY(0); }
  to { opacity: 1; transform: scaleY(1); }
}

.lp-scroll-hint {
  position: absolute;
  bottom: 24px; left: 50%;
  transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  font-family: "JetBrains Mono",monospace;
  font-size: 10px;
  color: var(--lp-mist);
  letter-spacing: 0.3em;
  z-index: 2;
}
.lp-scroll-line {
  width: 1px; height: 28px;
  background: linear-gradient(180deg, var(--lp-purple-3), transparent);
  animation: lpScrollPulse 2s ease-in-out infinite;
}
@keyframes lpScrollPulse {
  0%,100% { opacity: 0.3; transform: scaleY(0.6); }
  50% { opacity: 1; transform: scaleY(1); }
}

@media (max-width: 1024px) {
  .lp-hero-grid { grid-template-columns: 1fr; gap: 56px; }
  .lp-hero-mock { max-width: 560px; margin: 0 auto; }
}

/* ============================================================
   SECTION 2 — PROBLEM (壓迫感)
   Pinned with progressive reveal driven by scroll
   ============================================================ */
.lp-problem {
  position: relative;
}
.lp-problem-track {
  /* Sticky no longer used — JS triggers via IntersectionObserver, not scroll progress.
     Keep natural height so we don't burn 4× viewport of empty scroll. */
  position: relative;
}
.lp-problem-sticky {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 100px 32px 60px;
  overflow: hidden;
}
.lp-problem-head {
  text-align: center;
  margin-bottom: 56px;
  max-width: 880px;
  margin-left: auto;
  margin-right: auto;
}
.lp-chaos {
  position: relative;
  max-width: 1100px;
  margin: 0 auto;
  width: 100%;
}
.lp-chaos-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin-bottom: 32px;
}
.lp-chaos-card {
  display: grid;
  grid-template-columns: 56px 1fr auto;
  gap: 16px;
  align-items: center;
  padding: 22px 26px;
  background: linear-gradient(180deg, rgba(239,68,68,0.04), rgba(20,18,32,0.85));
  border: 1px solid rgba(239,68,68,0.18);
  border-radius: 16px;
  opacity: 0;
  filter: blur(18px);
  transform: translateY(28px);
  transition: opacity .7s var(--lp-ease), filter .7s var(--lp-ease), transform .7s var(--lp-ease);
}
.lp-chaos-card.is-on {
  opacity: 1;
  filter: blur(0);
  transform: translateY(0);
}
.lp-chaos-icon {
  font-size: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px; height: 48px;
  background: rgba(239,68,68,0.10);
  border: 1px solid rgba(239,68,68,0.25);
  border-radius: 12px;
}
.lp-chaos-card h4 {
  font-size: 16px;
  font-weight: 700;
  margin: 0 0 4px;
  color: var(--lp-ink);
}
.lp-chaos-card p {
  font-size: 12.5px;
  color: var(--lp-mist);
  margin: 0;
  line-height: 1.6;
}
.lp-chaos-time {
  font-family: "JetBrains Mono",monospace;
  font-size: 12px;
  color: var(--lp-dn);
  letter-spacing: 0.03em;
  white-space: nowrap;
  font-weight: 600;
}

.lp-chaos-total {
  display: flex; align-items: center; justify-content: center;
  gap: 18px;
  text-align: center;
  padding: 18px 32px;
  background: linear-gradient(135deg, rgba(239,68,68,0.10), rgba(168,85,247,0.05));
  border: 1px solid rgba(239,68,68,0.25);
  border-radius: 16px;
  max-width: 480px;
  margin: 0 auto;
  opacity: 0;
  filter: blur(18px);
  transform: scale(0.85);
  transition: opacity .8s var(--lp-ease), filter .8s var(--lp-ease), transform .8s var(--lp-ease-snap);
}
.lp-chaos-total.is-on {
  opacity: 1; filter: blur(0); transform: scale(1);
}
.lp-chaos-total span {
  font-size: 14px;
  color: var(--lp-mist);
  letter-spacing: 0.04em;
}
.lp-chaos-total b {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 900;
  letter-spacing: -0.02em;
  background: linear-gradient(120deg, var(--lp-dn), var(--lp-amber));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
}

@media (max-width: 768px) {
  .lp-chaos-grid { grid-template-columns: 1fr; }
  .lp-chaos-card { grid-template-columns: 44px 1fr; }
  .lp-chaos-card .lp-chaos-time { grid-column: 1 / -1; padding-left: 60px; }
}

/* ============================================================
   SECTION 3 — VORTEX (AI 介入)
   ============================================================ */
.lp-vortex {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px 32px;
  overflow: hidden;
}
.lp-vortex-inner {
  position: relative;
  width: min(960px, 100%);
  display: flex; flex-direction: column;
  align-items: center;
  gap: 48px;
}
.lp-vortex-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.lp-vortex-particles span {
  position: absolute;
  width: 4px; height: 4px;
  background: var(--lp-purple-3);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--lp-purple-glow);
  top: 50%; left: 50%;
  animation: lpVortexSpin 6s linear infinite;
}
.lp-vortex-particles span:nth-child(1) { --r: 80px; --t: 0s; --speed: 5s; }
.lp-vortex-particles span:nth-child(2) { --r: 110px; --t: -0.4s; --speed: 6s; }
.lp-vortex-particles span:nth-child(3) { --r: 140px; --t: -0.8s; --speed: 7s; }
.lp-vortex-particles span:nth-child(4) { --r: 170px; --t: -1.2s; --speed: 8s; }
.lp-vortex-particles span:nth-child(5) { --r: 200px; --t: -1.6s; --speed: 9s; }
.lp-vortex-particles span:nth-child(6) { --r: 230px; --t: -2.0s; --speed: 10s; }
.lp-vortex-particles span:nth-child(7) { --r: 260px; --t: -2.4s; --speed: 11s; }
.lp-vortex-particles span:nth-child(8) { --r: 290px; --t: -2.8s; --speed: 12s; }
.lp-vortex-particles span:nth-child(9) { --r: 320px; --t: -3.2s; --speed: 13s; }
.lp-vortex-particles span:nth-child(10) { --r: 350px; --t: -3.6s; --speed: 14s; }
.lp-vortex-particles span:nth-child(11) { --r: 380px; --t: -4.0s; --speed: 15s; }
.lp-vortex-particles span:nth-child(12) { --r: 410px; --t: -4.4s; --speed: 16s; }
.lp-vortex-particles span {
  animation: lpVortexSpin var(--speed, 8s) linear infinite;
  animation-delay: var(--t, 0s);
}
@keyframes lpVortexSpin {
  from { transform: rotate(0deg) translateX(var(--r, 100px)) rotate(0deg); opacity: 0.4; }
  50%  { opacity: 0.9; }
  to   { transform: rotate(360deg) translateX(var(--r, 100px)) rotate(-360deg); opacity: 0.4; }
}

/* Vortex absorption finale: particles spiral into core when terminal completes */
.lp-vortex-particles span {
  transition: transform 1.4s cubic-bezier(0.65, 0, 0.35, 1), opacity 1.4s ease-out;
}
.lp-vortex-particles.is-absorbing span {
  animation: none;
  transform: rotate(0deg) translateX(0) rotate(0deg) scale(0.2);
  opacity: 0;
}
.lp-vortex-core.is-pulse-final::after {
  content: "";
  position: absolute;
  inset: -20%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(168,85,247,0.55), rgba(168,85,247,0) 70%);
  animation: lpFinalPulse 1.6s cubic-bezier(0.22, 1, 0.36, 1) forwards;
  pointer-events: none;
}
@keyframes lpFinalPulse {
  0%   { transform: scale(0.4); opacity: 0; }
  35%  { opacity: 0.9; }
  100% { transform: scale(1.6); opacity: 0; }
}

.lp-vortex-core {
  position: relative;
  width: 240px; height: 240px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.lp-vortex-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px solid;
}
.lp-vortex-ring-1 {
  border-color: rgba(168,85,247,0.4);
  animation: lpRingPulse 3s ease-in-out infinite;
}
.lp-vortex-ring-2 {
  inset: 16px;
  border-color: rgba(196,181,253,0.3);
  animation: lpRingPulse 3s ease-in-out 0.5s infinite;
}
.lp-vortex-ring-3 {
  inset: 32px;
  border-color: rgba(236,72,153,0.25);
  animation: lpRingPulse 3s ease-in-out 1s infinite;
}
@keyframes lpRingPulse {
  0%,100% { transform: scale(1); opacity: 0.8; }
  50% { transform: scale(1.06); opacity: 1; }
}
.lp-vortex-label {
  position: relative;
  text-align: center;
  z-index: 2;
}
.lp-vortex-spark {
  display: block;
  font-size: 32px;
  color: var(--lp-purple-3);
  margin-bottom: 8px;
  animation: lpSpark 2s ease-in-out infinite;
}
@keyframes lpSpark {
  0%,100% { transform: rotate(0); opacity: 0.7; }
  50% { transform: rotate(180deg) scale(1.15); opacity: 1; }
}
.lp-vortex-label p {
  font-family: "JetBrains Mono",monospace;
  font-size: 12px;
  letter-spacing: 0.32em;
  color: var(--lp-purple-3);
  margin: 0;
  font-weight: 700;
}

.lp-vortex-terminal {
  width: min(620px, 100%);
  background: linear-gradient(180deg, rgba(12,10,22,0.95), rgba(8,6,16,0.95));
  border: 1px solid var(--lp-line-2);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 30px 60px -20px rgba(0,0,0,0.7), 0 0 40px -10px var(--lp-purple-glow);
}
.lp-terminal-bar {
  display: flex; align-items: center;
  padding: 10px 14px;
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid var(--lp-line);
  gap: 6px;
}
.lp-terminal-bar span {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--lp-mist-2);
}
.lp-terminal-bar span:nth-child(1) { background: #ff5f57; }
.lp-terminal-bar span:nth-child(2) { background: #febc2e; }
.lp-terminal-bar span:nth-child(3) { background: #28c840; }
.lp-terminal-bar em {
  font-style: normal;
  font-family: "JetBrains Mono",monospace;
  font-size: 11px;
  color: var(--lp-mist);
  margin-left: auto;
  letter-spacing: 0.04em;
}
.lp-terminal-body {
  padding: 18px 20px;
  font-family: "JetBrains Mono",monospace;
  font-size: 13px;
  color: var(--lp-mist);
  line-height: 1.85;
  min-height: 200px;
}
.lp-term-line {
  opacity: 0;
  transform: translateY(6px);
  transition: opacity .5s var(--lp-ease), transform .5s var(--lp-ease);
}
.lp-term-line.is-on {
  opacity: 1;
  transform: translateY(0);
}
.lp-term-line em {
  color: var(--lp-up);
  font-style: normal;
  font-weight: 600;
}

/* ============================================================
   SECTION 4 — GENERATE (cards spawn from center)
   ============================================================ */
.lp-generate {
  padding: 140px 32px;
  position: relative;
}
.lp-generate-inner { max-width: 1280px; margin: 0 auto; }
.lp-gen-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  perspective: 1400px;
}
.lp-gen-card {
  position: relative;
  padding: 32px 32px;
  background: linear-gradient(180deg, rgba(20,18,32,0.92), rgba(12,10,22,0.92));
  border: 1px solid var(--lp-line-2);
  border-radius: 22px;
  backdrop-filter: blur(18px);
  box-shadow: 0 30px 60px -20px rgba(0,0,0,0.5);
  opacity: 0;
  filter: blur(18px);
  transform: scale(0.85) translateY(40px);
  transition: opacity .8s var(--lp-ease), filter .8s var(--lp-ease), transform .8s var(--lp-ease-out), border-color .3s var(--lp-ease);
  overflow: hidden;
}
.lp-gen-card.is-on {
  opacity: 1;
  filter: blur(0);
  transform: scale(1) translateY(0);
}
.lp-gen-card::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: 22px;
  background: linear-gradient(135deg, transparent 0%, rgba(168,85,247,0.4) 50%, transparent 100%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  padding: 1px;
  opacity: 0;
  transition: opacity .35s var(--lp-ease);
  pointer-events: none;
}
.lp-gen-card:hover::before { opacity: 1; }
.lp-gen-head {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 16px;
}
.lp-gen-num {
  font-family: "JetBrains Mono",monospace;
  font-size: 11px;
  color: var(--lp-purple-3);
  letter-spacing: 0.2em;
  padding: 4px 10px;
  background: rgba(168,85,247,0.10);
  border-radius: 6px;
}
.lp-gen-tag {
  font-family: "JetBrains Mono",monospace;
  font-size: 10px;
  color: var(--lp-mist-2);
  letter-spacing: 0.18em;
}
.lp-gen-card h3 {
  font-size: 20px;
  font-weight: 800;
  margin: 0 0 16px;
  letter-spacing: -0.01em;
}

/* Card 1: revenue chart */
.lp-gen-chart {
  display: flex; align-items: flex-end;
  gap: 8px;
  height: 140px;
  padding: 12px 0;
}
.lp-gen-bar {
  flex: 1;
  height: 0;
  background: linear-gradient(180deg, var(--lp-purple-3) 0%, var(--lp-purple) 100%);
  border-radius: 6px 6px 0 0;
  transition: height 1.2s var(--lp-ease-out);
  box-shadow: 0 -4px 12px rgba(168,85,247,0.3);
}
.lp-gen-card.is-on .lp-gen-bar { height: var(--h); }
.lp-gen-card.is-on .lp-gen-bar:nth-child(1) { transition-delay: 0.2s; }
.lp-gen-card.is-on .lp-gen-bar:nth-child(2) { transition-delay: 0.3s; }
.lp-gen-card.is-on .lp-gen-bar:nth-child(3) { transition-delay: 0.4s; }
.lp-gen-card.is-on .lp-gen-bar:nth-child(4) { transition-delay: 0.5s; }
.lp-gen-card.is-on .lp-gen-bar:nth-child(5) { transition-delay: 0.6s; }
.lp-gen-card.is-on .lp-gen-bar:nth-child(6) { transition-delay: 0.7s; }
.lp-gen-card.is-on .lp-gen-bar:nth-child(7) { transition-delay: 0.8s; }
.lp-gen-card.is-on .lp-gen-bar:nth-child(8) { transition-delay: 0.9s; }
.lp-gen-note {
  font-size: 12.5px;
  color: var(--lp-mist);
  margin: 12px 0 0;
  line-height: 1.6;
}

/* Card 2: margins */
.lp-gen-margins { display: flex; flex-direction: column; gap: 14px; }
.lp-mg-row {
  display: grid;
  grid-template-columns: 90px 1fr 60px;
  align-items: center;
  gap: 12px;
}
.lp-mg-label {
  font-size: 12px;
  color: var(--lp-mist);
}
.lp-mg-track {
  height: 6px;
  background: rgba(255,255,255,0.06);
  border-radius: 999px;
  overflow: hidden;
}
.lp-mg-fill {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--lp-purple), var(--lp-pink));
  border-radius: 999px;
  transition: width 1.4s var(--lp-ease-out);
}
.lp-gen-card.is-on .lp-mg-fill { width: var(--w); }
.lp-gen-card.is-on .lp-mg-row:nth-child(1) .lp-mg-fill { transition-delay: 0.2s; }
.lp-gen-card.is-on .lp-mg-row:nth-child(2) .lp-mg-fill { transition-delay: 0.4s; }
.lp-gen-card.is-on .lp-mg-row:nth-child(3) .lp-mg-fill { transition-delay: 0.6s; }
.lp-gen-card.is-on .lp-mg-row:nth-child(4) .lp-mg-fill { transition-delay: 0.8s; }
.lp-mg-value {
  font-family: "JetBrains Mono",monospace;
  font-size: 13px;
  font-weight: 700;
  text-align: right;
  color: var(--lp-ink);
  font-variant-numeric: tabular-nums;
}

/* Card 3: valuation big number */
.lp-gen-bignum {
  text-align: center;
  padding: 16px 0 24px;
}
.lp-gen-bignum em {
  display: block;
  font-style: normal;
  font-size: clamp(48px, 6vw, 80px);
  font-weight: 900;
  letter-spacing: -0.04em;
  background: linear-gradient(120deg, #fff, var(--lp-purple-3) 50%, var(--lp-purple) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
  font-variant-numeric: tabular-nums;
  line-height: 1;
}
.lp-gen-bignum span {
  display: block;
  font-size: 12px;
  color: var(--lp-mist);
  margin-top: 8px;
  letter-spacing: 0.08em;
}
.lp-gen-pegs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}
.lp-gen-pegs > div {
  text-align: center;
  padding: 10px 8px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--lp-line);
  border-radius: 10px;
}
.lp-gen-pegs span {
  font-size: 10px;
  color: var(--lp-mist-2);
  letter-spacing: 0.04em;
}
.lp-gen-pegs b {
  display: block;
  font-size: 14px;
  font-weight: 700;
  margin-top: 4px;
  color: var(--lp-ink);
  font-variant-numeric: tabular-nums;
}
.lp-gen-pegs b.up { color: var(--lp-up); }

/* Card 4: AI typing */
.lp-gen-typing {
  font-size: 14px;
  color: var(--lp-ink-2);
  line-height: 1.75;
  margin: 0 0 18px;
  min-height: 88px;
}
.lp-cursor-blink {
  display: inline-block;
  width: 2px; height: 1em;
  background: var(--lp-purple-3);
  vertical-align: text-bottom;
  margin-left: 2px;
  animation: lpBlink 1s steps(2) infinite;
}
@keyframes lpBlink { 50% { opacity: 0; } }
.lp-gen-tags {
  display: flex; flex-wrap: wrap;
  gap: 8px;
}
.lp-gen-tags span {
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.up-tag {
  background: rgba(32,201,151,0.12);
  border: 1px solid rgba(32,201,151,0.32);
  color: var(--lp-up);
}
.dn-tag {
  background: rgba(239,68,68,0.10);
  border: 1px solid rgba(239,68,68,0.30);
  color: #ff7a7a;
}

@media (max-width: 768px) {
  .lp-gen-grid { grid-template-columns: 1fr; }
  .lp-mg-row { grid-template-columns: 80px 1fr 56px; }
}

/* ============================================================
   SECTION 4.5 — VS COMPARISON
   ============================================================ */
.lp-versus {
  padding: 100px 32px 140px;
}
.lp-versus-inner {
  max-width: 1240px;
  margin: 0 auto;
}
.lp-versus-head { text-align: center; margin-bottom: 56px; }
.lp-versus-grid {
  display: grid;
  grid-template-columns: 1fr 80px 1fr;
  gap: 0;
  align-items: stretch;
  background: linear-gradient(180deg, rgba(20,18,32,0.55), rgba(12,10,22,0.55));
  border: 1px solid var(--lp-line);
  border-radius: 24px;
  padding: 28px;
  backdrop-filter: blur(12px);
}
.lp-versus-card {
  padding: 24px 30px;
  border-radius: 16px;
  display: flex; flex-direction: column;
  gap: 16px;
}
.lp-versus-card header {
  display: flex; align-items: center; justify-content: space-between;
}
.lp-versus-tag {
  font-size: 13px;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 999px;
}
.lp-versus-x, .lp-versus-check {
  width: 28px; height: 28px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 14px;
  font-weight: 800;
}
.lp-versus-x { background: rgba(239,68,68,0.16); color: var(--lp-dn); }
.lp-versus-check { background: rgba(32,201,151,0.16); color: var(--lp-up); }
.lp-versus-old { background: linear-gradient(180deg, rgba(239,68,68,0.04), transparent); }
.lp-versus-new { background: linear-gradient(180deg, rgba(32,201,151,0.04), rgba(168,85,247,0.04)); border: 1px solid rgba(32,201,151,0.18); }
.lp-versus-card ul {
  list-style: none;
  padding: 0; margin: 0;
  display: flex; flex-direction: column;
  gap: 12px;
  flex: 1;
}
.lp-versus-card li {
  display: flex; justify-content: space-between; align-items: center;
  font-size: 14px;
  padding: 6px 0;
  border-bottom: 1px dashed var(--lp-line);
}
.lp-versus-card li:last-child { border-bottom: 0; }
.lp-versus-card li span { color: var(--lp-ink-2); }
.lp-versus-card li::before {
  content: "▶";
  color: var(--lp-mist-2);
  font-size: 9px;
  margin-right: 8px;
}
.lp-versus-new li::before { color: var(--lp-up); }
.lp-versus-card li em {
  font-style: normal;
  font-family: "JetBrains Mono",monospace;
  font-size: 12px;
  color: var(--lp-mist);
}
.lp-versus-old li em { color: var(--lp-dn); }
.lp-versus-new li em { color: var(--lp-up); }
.lp-versus-card footer {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 12px;
  border-top: 1px solid var(--lp-line);
  margin-top: auto;
}
.lp-versus-card footer span { font-size: 13px; color: var(--lp-mist); }
.lp-versus-card footer b {
  font-size: 22px; font-weight: 900;
  letter-spacing: -0.01em;
}
.lp-versus-old footer b { color: var(--lp-dn); }

.lp-versus-divider {
  display: flex;
  align-items: center;
  justify-content: center;
}
.lp-versus-vs {
  width: 60px; height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--lp-purple), var(--lp-purple-2));
  display: flex; align-items: center; justify-content: center;
  font-family: "JetBrains Mono",monospace;
  font-size: 16px;
  font-weight: 900;
  color: #fff;
  letter-spacing: 0.04em;
  box-shadow: 0 0 30px var(--lp-purple-glow);
}

@media (max-width: 880px) {
  .lp-versus-grid { grid-template-columns: 1fr; gap: 16px; padding: 18px; }
  .lp-versus-divider { padding: 8px 0; }
}

/* ============================================================
   SECTION 5 — WORKFLOW
   ============================================================ */
.lp-workflow {
  padding: 120px 32px;
  position: relative;
}
.lp-workflow-inner { max-width: 1240px; margin: 0 auto; }
.lp-flow {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.lp-flow-step {
  position: relative;
  padding: 32px 28px;
  background: linear-gradient(180deg, rgba(20,18,32,0.6), rgba(12,10,22,0.6));
  border: 1px solid var(--lp-line);
  border-radius: 22px;
  transition: transform .4s var(--lp-ease), border-color .35s ease, background .35s ease, box-shadow .4s var(--lp-ease);
  transform-style: preserve-3d;
  will-change: transform;
}
.lp-flow-step:hover {
  border-color: rgba(168,85,247,0.32);
  background: linear-gradient(180deg, rgba(168,85,247,0.06), rgba(20,18,32,0.6));
  box-shadow: 0 30px 60px -20px var(--lp-purple-glow);
}
.lp-flow-no {
  display: inline-flex;
  align-items: center; justify-content: center;
  width: 32px; height: 32px;
  font-family: "JetBrains Mono",monospace;
  font-size: 14px; font-weight: 800;
  color: #fff;
  background: linear-gradient(135deg, var(--lp-purple), var(--lp-purple-2));
  border-radius: 50%;
  margin-bottom: 16px;
  box-shadow: 0 6px 16px -4px var(--lp-purple-glow);
}
.lp-flow-step h4 {
  font-size: 20px;
  font-weight: 800;
  margin: 0 0 8px;
  letter-spacing: -0.01em;
}
.lp-flow-step p {
  font-size: 13.5px;
  color: var(--lp-mist);
  line-height: 1.7;
  margin: 0 0 22px;
}

/* Flow mocks */
.lp-flow-mock {
  background: rgba(0,0,0,0.35);
  border: 1px solid var(--lp-line);
  border-radius: 14px;
  padding: 18px;
  margin-top: auto;
}
.lp-flow-input-label {
  font-size: 11px;
  color: var(--lp-mist-2);
  display: block;
  margin-bottom: 8px;
  letter-spacing: 0.04em;
}
.lp-flow-input-row {
  display: flex; align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--lp-line-2);
  border-radius: 10px;
}
.lp-flow-magnify { color: var(--lp-mist); font-size: 14px; }
.lp-flow-input-text {
  flex: 1;
  font-family: "JetBrains Mono",monospace;
  font-size: 14px;
  font-weight: 700;
  color: var(--lp-ink);
  letter-spacing: 0.04em;
}
.lp-flow-blink {
  display: inline-block;
  width: 2px; height: 1em;
  background: var(--lp-purple-3);
  vertical-align: text-bottom;
  margin-left: 2px;
  animation: lpBlink 1s steps(2) infinite;
}
.lp-flow-go {
  font-size: 11.5px;
  font-weight: 700;
  padding: 5px 12px;
  background: linear-gradient(135deg, var(--lp-purple), var(--lp-purple-2));
  color: #fff;
  border-radius: 6px;
}

.lp-flow-pipe {
  display: flex; flex-direction: column;
  gap: 8px;
  font-size: 12.5px;
}
.lp-pipe-row {
  display: flex; align-items: center; gap: 8px;
  color: var(--lp-mist);
}
.lp-pipe-check {
  color: var(--lp-up);
  font-weight: 800;
}
.lp-pipe-running { color: var(--lp-purple-3); }
.lp-pipe-spin {
  width: 12px; height: 12px;
  border: 2px solid rgba(168,85,247,0.2);
  border-top-color: var(--lp-purple);
  border-radius: 50%;
  animation: lpSpin 0.9s linear infinite;
}
@keyframes lpSpin { to { transform: rotate(360deg); } }

.lp-flow-report {
  display: flex; flex-direction: column; gap: 10px;
}
.lp-report-title {
  font-size: 13px; font-weight: 700;
  color: var(--lp-ink);
  margin-bottom: 4px;
}
.lp-report-line {
  height: 6px;
  width: 100%;
  background: linear-gradient(90deg, rgba(168,85,247,0.20), rgba(168,85,247,0.06));
  border-radius: 999px;
}
.lp-report-line.short { width: 70%; }
.lp-report-cta {
  display: inline-block;
  margin-top: 6px;
  padding: 8px 14px;
  background: linear-gradient(135deg, var(--lp-purple), var(--lp-purple-2));
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  border-radius: 8px;
  align-self: flex-start;
  cursor: pointer;
}

@media (max-width: 880px) { .lp-flow { grid-template-columns: 1fr; } }

/* ============================================================
   WHY — 4 cards
   ============================================================ */
.lp-why { padding: 120px 32px; }
.lp-why-inner { max-width: 1240px; margin: 0 auto; }
.lp-why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.lp-why-card {
  padding: 30px 26px;
  background: linear-gradient(180deg, rgba(20,18,32,0.6), rgba(12,10,22,0.6));
  border: 1px solid var(--lp-line);
  border-radius: 20px;
  transition: transform .4s var(--lp-ease), border-color .3s ease, background .3s ease, box-shadow .4s var(--lp-ease);
  transform-style: preserve-3d;
}
.lp-why-card:hover {
  border-color: rgba(168,85,247,0.3);
  box-shadow: 0 30px 60px -20px var(--lp-purple-glow);
}
.lp-why-icon {
  display: inline-flex;
  align-items: center; justify-content: center;
  width: 48px; height: 48px;
  font-size: 22px;
  background: linear-gradient(135deg, rgba(168,85,247,0.18), rgba(168,85,247,0.06));
  border: 1px solid rgba(168,85,247,0.25);
  border-radius: 14px;
  margin-bottom: 18px;
}
.lp-why-card h3 {
  font-size: 18px;
  font-weight: 800;
  margin: 0 0 10px;
  letter-spacing: -0.01em;
}
.lp-why-card p {
  font-size: 13px;
  color: var(--lp-mist);
  line-height: 1.7;
  margin: 0;
}
@media (max-width: 1024px) { .lp-why-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .lp-why-grid { grid-template-columns: 1fr; } }

/* ============================================================
   SECTION 6 — PERSONAS
   ============================================================ */
.lp-personas { padding: 120px 32px; }
.lp-personas-inner { max-width: 1240px; margin: 0 auto; }

/* Apple-style horizontal snap rail */
.lp-persona-rail {
  position: relative;
  margin: 0 -32px 80px;
  padding: 24px 0 8px;
}
.lp-persona-track {
  display: flex;
  gap: 22px;
  padding: 12px 32px 32px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-padding-left: 32px;
  scrollbar-width: none;
  -ms-overflow-style: none;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
}
.lp-persona-track::-webkit-scrollbar { display: none; }
.lp-persona-track > .lp-persona-card {
  flex: 0 0 clamp(280px, 32%, 380px);
  scroll-snap-align: start;
  scroll-snap-stop: always;
}
.lp-persona-rail::before,
.lp-persona-rail::after {
  content: "";
  position: absolute;
  top: 12px; bottom: 32px;
  width: 48px;
  pointer-events: none;
  z-index: 2;
}
.lp-persona-rail::before {
  left: 0;
  background: linear-gradient(90deg, var(--lp-bg, #07060d) 0%, transparent 100%);
}
.lp-persona-rail::after {
  right: 0;
  background: linear-gradient(270deg, var(--lp-bg, #07060d) 0%, transparent 100%);
}
.lp-persona-hint {
  margin: 12px 32px 0;
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--lp-mist);
  opacity: 0.5;
  text-align: center;
}
@media (pointer: fine) {
  .lp-persona-hint::before { content: "拖曳或滾輪 · "; }
}

/* Page indicators (Apple-style dots) */
.lp-persona-dots {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin: 14px 32px 0;
}
.lp-persona-dot {
  appearance: none;
  -webkit-appearance: none;
  border: 0;
  cursor: pointer;
  width: 8px;
  height: 8px;
  padding: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.18);
  transition: background-color .35s var(--lp-ease), transform .35s var(--lp-ease), width .35s var(--lp-ease);
}
.lp-persona-dot:hover { background: rgba(255, 255, 255, 0.32); }
.lp-persona-dot.is-active {
  background: var(--lp-purple-3);
  width: 24px;
  border-radius: 4px;
  box-shadow: 0 0 12px var(--lp-purple-glow);
}
.lp-persona-dot:focus-visible {
  outline: 2px solid var(--lp-purple-3);
  outline-offset: 3px;
}

.lp-persona-card {
  position: relative;
  padding: 36px 32px;
  background: linear-gradient(180deg, rgba(20,18,32,0.7), rgba(12,10,22,0.7));
  border: 1px solid var(--lp-line);
  border-radius: 22px;
  text-align: left;
  transition: transform .4s var(--lp-ease), border-color .3s ease, box-shadow .4s var(--lp-ease);
  transform-style: preserve-3d;
  overflow: hidden;
}
.lp-persona-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 0% 0%, rgba(168,85,247,0.10), transparent 60%);
  pointer-events: none;
  opacity: 0;
  transition: opacity .4s var(--lp-ease);
}
.lp-persona-card:hover { border-color: rgba(168,85,247,0.32); box-shadow: 0 30px 60px -20px var(--lp-purple-glow); }
.lp-persona-card:hover::before { opacity: 1; }
.lp-persona-trader {
  background: linear-gradient(180deg, rgba(32,201,151,0.05), rgba(20,18,32,0.7));
  border-color: rgba(32,201,151,0.15);
}
.lp-persona-avatar {
  width: 64px; height: 64px;
  display: flex; align-items: center; justify-content: center;
  font-size: 32px;
  border-radius: 18px;
  margin-bottom: 18px;
  background: linear-gradient(135deg, rgba(168,85,247,0.18), rgba(168,85,247,0.04));
  border: 1px solid rgba(168,85,247,0.22);
}
.lp-persona-avatar-trader {
  background: linear-gradient(135deg, rgba(32,201,151,0.18), rgba(32,201,151,0.04));
  border-color: rgba(32,201,151,0.25);
}
.lp-persona-avatar-pro {
  background: linear-gradient(135deg, rgba(34,211,238,0.18), rgba(34,211,238,0.04));
  border-color: rgba(34,211,238,0.25);
}
.lp-persona-card h3 {
  font-size: 22px;
  font-weight: 800;
  margin: 0 0 10px;
  letter-spacing: -0.01em;
}
.lp-persona-card p {
  font-size: 13.5px;
  color: var(--lp-mist);
  line-height: 1.7;
  margin: 0 0 20px;
}
.lp-persona-tags {
  display: flex; flex-wrap: wrap; gap: 6px;
}
.lp-persona-tags span {
  font-size: 11px;
  padding: 4px 10px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--lp-line-2);
  border-radius: 999px;
  color: var(--lp-mist);
  font-family: "JetBrains Mono",monospace;
}

.lp-techs { text-align: center; }
.lp-techs-label {
  font-size: 13px;
  color: var(--lp-mist);
  letter-spacing: 0.04em;
  margin: 0 0 24px;
  font-weight: 600;
}
.lp-techs-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  max-width: 1080px;
  margin: 0 auto;
}
.lp-tech-chip {
  display: flex; gap: 12px; align-items: center;
  padding: 14px 18px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--lp-line-2);
  border-radius: 14px;
  text-align: left;
  transition: transform .3s var(--lp-ease), border-color .3s var(--lp-ease);
}
.lp-tech-chip:hover { transform: translateY(-3px); border-color: rgba(168,85,247,0.32); }
.lp-tech-chip > span {
  font-size: 22px;
  width: 38px; height: 38px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(168,85,247,0.12);
  border-radius: 10px;
}
.lp-tech-chip b {
  display: block;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--lp-ink);
  letter-spacing: -0.005em;
}
.lp-tech-chip em {
  display: block;
  font-size: 11.5px;
  color: var(--lp-mist);
  font-style: normal;
  margin-top: 2px;
}

@media (max-width: 1024px) {
  .lp-persona-track > .lp-persona-card { flex: 0 0 82%; }
  .lp-techs-row { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) { .lp-techs-row { grid-template-columns: 1fr; } }

/* ============================================================
   SECTION 7 — TRUST / TESTIMONIALS
   ============================================================ */
.lp-trust { padding: 120px 32px; }
.lp-trust-inner { max-width: 1180px; margin: 0 auto; }

/* Live pulse bar */
.lp-livepulse {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  margin: 36px auto 56px;
  padding: 18px 32px;
  max-width: 760px;
  background: linear-gradient(180deg, rgba(20,18,32,0.70), rgba(12,10,22,0.70));
  border: 1px solid rgba(168,85,247,0.18);
  border-radius: 999px;
  backdrop-filter: blur(12px);
  box-shadow: 0 8px 32px rgba(124,58,237,0.08);
  font-family: "JetBrains Mono", ui-monospace, monospace;
}
.lp-livepulse-item {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
}
.lp-livepulse-dot {
  display: inline-block;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--lp-up);
  box-shadow: 0 0 0 0 rgba(32, 201, 151, 0.65);
  animation: lpLiveDot 2s ease-out infinite;
  align-self: center;
  margin-right: 4px;
}
@keyframes lpLiveDot {
  0%   { box-shadow: 0 0 0 0 rgba(32, 201, 151, 0.65); }
  70%  { box-shadow: 0 0 0 10px rgba(32, 201, 151, 0); }
  100% { box-shadow: 0 0 0 0 rgba(32, 201, 151, 0); }
}
.lp-livepulse-num {
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  font-variant-numeric: tabular-nums;
  transition: color .25s ease, transform .25s var(--lp-ease);
  display: inline-block;
}
.lp-livepulse-num.is-bump {
  color: var(--lp-purple-3);
  transform: translateY(-2px);
}
.lp-livepulse-lbl {
  font-size: 12px;
  color: var(--lp-mist);
  letter-spacing: 0.04em;
}
.lp-livepulse-sep {
  width: 1px; height: 24px;
  background: linear-gradient(180deg, transparent, var(--lp-line), transparent);
}
@media (max-width: 768px) {
  .lp-livepulse {
    flex-direction: column;
    gap: 14px;
    border-radius: 24px;
    padding: 18px 24px;
  }
  .lp-livepulse-sep { width: 60px; height: 1px; background: linear-gradient(90deg, transparent, var(--lp-line), transparent); }
}
@media (prefers-reduced-motion: reduce) {
  .lp-livepulse-dot { animation: none; box-shadow: 0 0 8px rgba(32, 201, 151, 0.5); }
  .lp-livepulse-num.is-bump { transform: none; }
}

.lp-trust-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.lp-trust-card {
  padding: 30px 28px;
  background: linear-gradient(180deg, rgba(20,18,32,0.55), rgba(12,10,22,0.55));
  border: 1px solid var(--lp-line);
  border-radius: 20px;
  transition: border-color .35s var(--lp-ease), transform .35s var(--lp-ease);
  margin: 0;
}
.lp-trust-card:hover { border-color: rgba(168,85,247,0.22); transform: translateY(-3px); }
.lp-trust-stars {
  font-size: 16px;
  letter-spacing: 0.16em;
  color: var(--lp-amber);
  margin-bottom: 16px;
  text-shadow: 0 0 14px rgba(245,158,11,0.5);
}
.lp-trust-card blockquote {
  font-size: 15px;
  line-height: 1.75;
  color: var(--lp-ink-2);
  margin: 0 0 22px;
  font-weight: 500;
}
.lp-trust-card figcaption {
  display: flex; align-items: center; gap: 12px;
}
.lp-trust-avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 16px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--lp-purple), var(--lp-purple-2));
  color: #fff;
}
.lp-trust-card figcaption b {
  display: block;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--lp-ink);
}
.lp-trust-card figcaption em {
  display: block;
  font-size: 11.5px;
  color: var(--lp-mist);
  font-style: normal;
  margin-top: 2px;
}

@media (max-width: 1024px) { .lp-trust-grid { grid-template-columns: 1fr; } }

/* ============================================================
   FAQ
   ============================================================ */
.lp-faq { padding: 100px 32px; }
.lp-faq-inner { max-width: 880px; margin: 0 auto; }
.lp-faq-list {
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
.lp-faq-item {
  background: rgba(255,255,255,0.025);
  border: 1px solid var(--lp-line);
  border-radius: 14px;
  transition: border-color .25s ease, background .25s ease;
}
.lp-faq-item[open] {
  border-color: rgba(168,85,247,0.3);
  background: rgba(168,85,247,0.04);
}
.lp-faq-item summary {
  list-style: none;
  cursor: none;
  padding: 18px 22px;
  font-size: 14px;
  font-weight: 600;
  color: var(--lp-ink);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}
.lp-faq-item summary::-webkit-details-marker { display: none; }
.lp-faq-item summary::after {
  content: "+";
  font-family: "JetBrains Mono",monospace;
  font-size: 22px;
  font-weight: 300;
  color: var(--lp-purple-3);
  transition: transform .3s var(--lp-ease);
}
.lp-faq-item[open] summary::after { transform: rotate(45deg); }
.lp-faq-item p {
  margin: 0;
  padding: 0 22px 20px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--lp-mist);
}
@media (max-width: 768px) { .lp-faq-list { grid-template-columns: 1fr; } }

/* ============================================================
   SECTION 8 — CTA
   ============================================================ */
.lp-cta {
  padding: 120px 32px 100px;
  text-align: center;
  position: relative;
}
.lp-cta-inner {
  max-width: 880px;
  margin: 0 auto;
  padding: 80px 40px;
  background:
    radial-gradient(circle at 30% 20%, rgba(168,85,247,0.20), transparent 60%),
    radial-gradient(circle at 70% 80%, rgba(236,72,153,0.14), transparent 60%),
    linear-gradient(180deg, rgba(28,22,46,0.7), rgba(16,12,30,0.7));
  border: 1px solid rgba(168,85,247,0.28);
  border-radius: 32px;
  backdrop-filter: blur(20px);
  position: relative;
  overflow: hidden;
}
.lp-cta-inner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 30%, rgba(168,85,247,0.12) 50%, transparent 70%);
  background-size: 200% 200%;
  animation: lpGradShift 6s ease infinite;
  pointer-events: none;
}
.lp-cta-inner > * { position: relative; z-index: 1; }
.lp-cta-rocket {
  font-size: 48px;
  display: inline-block;
  margin-bottom: 12px;
  animation: lpRocket 3s ease-in-out infinite;
}
@keyframes lpRocket {
  0%,100% { transform: translateY(0) rotate(-8deg); }
  50% { transform: translateY(-6px) rotate(0); }
}
.lp-cta-inner .lp-h2 { margin-bottom: 12px; }
.lp-cta-inner .lp-sub { margin-bottom: 32px; }
.lp-cta-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}
.lp-cta-inner .lp-btn-primary {
  position: relative;
}
.lp-cta-inner .lp-btn-primary::after {
  content: "";
  position: absolute;
  inset: -4px;
  border-radius: inherit;
  background: linear-gradient(135deg, var(--lp-purple), var(--lp-pink));
  filter: blur(20px);
  opacity: 0.4;
  z-index: -1;
  animation: lpCtaGlow 2.4s ease-in-out infinite;
}
@keyframes lpCtaGlow {
  0%,100% { opacity: 0.35; transform: scale(1); }
  50% { opacity: 0.65; transform: scale(1.04); }
}

/* ============================================================
   FOOTER
   ============================================================ */
.lp-footer {
  padding: 36px 32px;
  border-top: 1px solid var(--lp-line);
}
.lp-footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.lp-footer-brand {
  display: flex; align-items: center; gap: 10px;
  font-size: 13px; color: var(--lp-mist);
  font-weight: 600;
  letter-spacing: 0.02em;
}
.lp-footer-meta {
  display: flex; gap: 12px;
  font-family: "JetBrains Mono",monospace;
  font-size: 11px;
  color: var(--lp-mist);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.lp-footer-meta a { color: var(--lp-purple-3); }
.lp-footer-meta a:hover { color: var(--lp-purple); }

/* ============================================================
   REVEAL ANIMATIONS
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .85s var(--lp-ease), transform .85s var(--lp-ease), filter .85s var(--lp-ease);
}
.reveal[data-reveal="blur"] {
  filter: blur(12px);
}
.reveal[data-reveal="fade"] {
  transform: translateY(12px);
}
.reveal.is-in {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
}
.reveal.is-in.lp-line:nth-child(1) { transition-delay: 0s; }
.reveal.is-in.lp-line:nth-child(2) { transition-delay: 0.22s; }
.reveal.is-in.lp-line:nth-child(3) { transition-delay: 0.44s; }

/* Hero copy — full Apple-style stagger choreography */
.lp-hero-badge.reveal.is-in { transition-delay: 0s; }
.lp-hero-title .lp-line.reveal { transition-duration: 1.05s; }
.lp-hero-sub.reveal.is-in   { transition-delay: 0.78s; }
.lp-hero-cta.reveal.is-in   { transition-delay: 0.96s; }
.lp-hero-stats.reveal.is-in { transition-delay: 1.18s; }
.lp-hero-mock.reveal.is-in  { transition-delay: 0.45s; transition-duration: 1.4s; }

/* ── Reduced motion ──────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .lp-aurora-blob { animation: none !important; }
  .reveal { opacity: 1; transform: none; filter: none; }
  .lp-chaos-card, .lp-chaos-total, .lp-gen-card, .lp-term-line { opacity: 1; filter: none; transform: none; }
}

/* ── Mobile tweaks ───────────────────────────────────── */
@media (max-width: 768px) {
  .lp-hero { padding: 110px 18px 60px; }
  .lp-hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .lp-hero-copy { max-width: 100%; }
  .lp-hero-mock { order: 2; max-width: 480px; margin: 0 auto; width: 100%; }
  .lp-hero-orb { width: 480px; height: 480px; filter: blur(60px); }
  .lp-hero-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .lp-stat { padding: 12px 10px; }
  .lp-stat-num { font-size: 20px; }
  .lp-problem-sticky { padding: 60px 18px 40px; }
  .lp-vortex { padding: 80px 18px; }
  .lp-generate, .lp-versus, .lp-workflow, .lp-why, .lp-personas, .lp-trust, .lp-faq, .lp-cta { padding: 80px 18px; }
  .lp-cta-inner { padding: 56px 24px; }
  .lp-footer-inner { flex-direction: column; text-align: center; }
}

/* ============================================================
   Inline SVG icon sizing (Lucide-style replacements for emojis)
   ============================================================ */
.lp-chaos-icon svg,
.lp-why-icon svg,
.lp-flow-magnify svg,
.lp-tech-chip > span svg,
.lp-cta-rocket svg {
  width: 1em;
  height: 1em;
  display: block;
  stroke: currentColor;
}
.lp-chaos-icon { display: inline-flex; align-items: center; justify-content: center; color: var(--lp-purple-3); font-size: 26px; }
/* lp-why-icon already has 48x48 box bg; just ensure inner SVG is sized + colored */
.lp-why-icon { color: var(--lp-purple-3); font-size: 22px; }
.lp-flow-magnify { color: var(--lp-mist); display: inline-flex; align-items: center; font-size: 16px; }
.lp-tech-chip > span { color: var(--lp-purple-3); display: inline-flex; align-items: center; justify-content: center; font-size: 22px; }
.lp-cta-rocket { color: #fff; display: inline-flex; align-items: center; justify-content: center; }