/* AI销冠 Landing — visual layer over design-system tokens */

:root {
  --lp-w: min(1280px, calc(100vw - 48px));
  --lp-bg-0: #06090f;
  --lp-bg-1: #0a0f1c;
  --lp-bg-2: #0f1629;
  --lp-text: #e8ecf5;
  --lp-text-2: #aab2c9;
  --lp-text-3: #6e778f;
  --lp-border: rgba(148, 163, 255, 0.14);
  --lp-border-strong: rgba(148, 163, 255, 0.28);
  --lp-panel: rgba(255, 255, 255, 0.04);
  --lp-panel-2: rgba(255, 255, 255, 0.06);
  --c-cyan: #00e5ff;
  --c-indigo: #6366f1;
  --c-purple: #a855f7;
  --c-orange: #ff9550;
  --c-green: #22d3a8;
  --c-pink: #ff5d7a;
  --c-amber: #f5b84c;
  --c-danger: #ff5d7a;

  --shadow-glow: 0 24px 60px -20px rgba(0, 0, 0, 0.65),
    0 8px 28px -10px rgba(99, 102, 241, 0.28);
  --shadow-card: 0 18px 40px -18px rgba(0, 0, 0, 0.6),
    0 4px 18px -10px rgba(99, 102, 241, 0.22);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body {
  margin: 0;
  padding: 0;
  background: var(--lp-bg-0);
  color: var(--lp-text);
  font-family: "Inter", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  letter-spacing: -0.005em;
}
body {
  overflow-x: hidden;
  background:
    radial-gradient(ellipse 1400px 800px at 12% -10%, rgba(99, 102, 241, 0.18), transparent 60%),
    radial-gradient(ellipse 1100px 800px at 92% 12%, rgba(0, 229, 255, 0.10), transparent 55%),
    radial-gradient(ellipse 1100px 1100px at 60% 110%, rgba(168, 85, 247, 0.10), transparent 60%),
    linear-gradient(180deg, var(--lp-bg-0) 0%, var(--lp-bg-1) 60%, var(--lp-bg-0) 100%);
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(148, 163, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 255, 0.05) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 90% 80% at 50% 30%, black 30%, transparent 80%);
}
a { color: inherit; text-decoration: none; }
button { font-family: inherit; }

/* ============================================================
   Reusable
   ============================================================ */
.lp-container {
  width: var(--lp-w);
  margin: 0 auto;
  position: relative;
}
.lp-section {
  position: relative;
  padding: 120px 0;
}
.lp-section--alt { padding: 120px 0; }
.lp-section--dark {
  padding: 140px 0;
  background:
    linear-gradient(180deg, transparent 0%, rgba(6, 9, 15, 0.6) 50%, transparent 100%),
    radial-gradient(ellipse 1000px 700px at 50% 0%, rgba(168, 85, 247, 0.12), transparent 70%);
  border-top: 1px solid var(--lp-border);
  border-bottom: 1px solid var(--lp-border);
  overflow: hidden;
}
.lp-section--proof {
  padding: 100px 0;
  background:
    linear-gradient(180deg, transparent, rgba(0, 229, 255, 0.04), transparent);
}
.lp-section--cta { padding: 80px 0 140px; }

.lp-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ec, var(--c-cyan));
  font-family: "JetBrains Mono", "SFMono-Regular", monospace;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.lp-eyebrow-bar {
  width: 28px;
  height: 1px;
  background: currentColor;
  box-shadow: 0 0 8px currentColor;
}

.lp-section-head {
  max-width: 820px;
  margin: 0 auto 64px;
  text-align: center;
  display: grid;
  gap: 22px;
  justify-items: center;
}
.lp-h1 {
  margin: 0;
  font-size: clamp(48px, 7.4vw, 104px);
  line-height: 0.96;
  font-weight: 800;
  letter-spacing: -0.035em;
}
.lp-h2 {
  margin: 0;
  font-size: clamp(34px, 5vw, 64px);
  line-height: 1.04;
  font-weight: 800;
  letter-spacing: -0.03em;
}
.lp-grad-cyan {
  background: linear-gradient(135deg, #00e5ff 10%, #6366f1 90%);
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
}
.lp-grad-orange {
  background: linear-gradient(135deg, #ff9550 0%, #ff5d7a 100%);
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
}
.lp-grad-purple {
  background: linear-gradient(135deg, #a855f7 0%, #6366f1 100%);
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
}
.lp-section-lead {
  margin: 0;
  max-width: 680px;
  color: var(--lp-text-2);
  font-size: 17px;
  line-height: 1.65;
}
.lp-ghost-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(148, 163, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 255, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
  mask-image: radial-gradient(ellipse at 50% 50%, black, transparent 80%);
}

/* ============================================================
   Nav
   ============================================================ */
.lp-nav {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  width: var(--lp-w);
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 24px;
  align-items: center;
  padding: 10px 14px 10px 18px;
  border-radius: 18px;
  background: rgba(10, 15, 28, 0.6);
  border: 1px solid var(--lp-border);
  backdrop-filter: blur(20px) saturate(140%);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
  transition: 0.3s;
}
.lp-nav.is-scrolled {
  background: rgba(10, 15, 28, 0.85);
  border-color: var(--lp-border-strong);
  box-shadow: 0 18px 48px -20px rgba(0, 0, 0, 0.7);
}
.lp-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
}
.lp-brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 11px;
  background: conic-gradient(from 140deg, var(--c-cyan), var(--c-indigo), var(--c-purple), var(--c-orange), var(--c-cyan));
  display: grid;
  place-items: center;
  position: relative;
  box-shadow: 0 8px 24px -4px rgba(99, 102, 241, 0.6),
    inset 0 0 0 1px rgba(255, 255, 255, 0.18);
  animation: lp-spin 14s linear infinite;
  flex-shrink: 0;
}
.lp-brand-mark::before {
  content: "";
  position: absolute;
  inset: 3px;
  border-radius: 9px;
  background: var(--lp-bg-1);
}
.lp-brand-core {
  position: relative;
  z-index: 1;
  width: 14px;
  height: 14px;
  border-radius: 4px;
  background: linear-gradient(135deg, var(--c-cyan), var(--c-indigo));
  box-shadow: 0 0 12px rgba(0, 229, 255, 0.6);
}
@keyframes lp-spin { to { transform: rotate(360deg); } }
.lp-brand-text {
  display: grid;
  line-height: 1.1;
  min-width: 180px;
}
.lp-brand-text b {
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.01em;
}
.lp-brand-text i {
  font-size: 10.5px;
  font-weight: 500;
  color: var(--lp-text-3);
  letter-spacing: 0;
  font-style: normal;
  white-space: nowrap;
}
.lp-nav-links {
  display: flex;
  gap: 4px;
  justify-self: center;
  padding: 4px;
  border-radius: 12px;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--lp-border);
}
.lp-nav-links a {
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 600;
  color: var(--lp-text-2);
  border-radius: 8px;
  transition: 0.15s;
}
.lp-nav-links a:hover {
  color: var(--lp-text);
  background: var(--lp-panel-2);
}
.lp-nav-right {
  display: flex;
  align-items: center;
  gap: 10px;
}
.lp-nav-login {
  font-size: 13px;
  font-weight: 600;
  color: var(--lp-text-2);
  padding: 8px 12px;
  transition: color 0.15s;
}
.lp-nav-login:hover { color: var(--lp-text); }

/* ============================================================
   Buttons
   ============================================================ */
.lp-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 22px;
  border-radius: 12px;
  font-size: 14.5px;
  font-weight: 700;
  cursor: pointer;
  border: 1px solid transparent;
  transition: 0.2s;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}
.lp-cta-btn svg { width: 16px; height: 16px; flex-shrink: 0; }

.lp-cta-btn--primary {
  background: linear-gradient(135deg, var(--c-cyan) 0%, var(--c-indigo) 100%);
  color: #06090f;
  box-shadow: 0 12px 32px -8px rgba(0, 229, 255, 0.5),
    inset 0 0 0 1px rgba(255, 255, 255, 0.25);
}
.lp-cta-btn--primary::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 30%, rgba(255, 255, 255, 0.4), transparent 70%);
  transform: translateX(-120%);
  transition: 0.6s;
}
.lp-cta-btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 40px -8px rgba(0, 229, 255, 0.7);
}
.lp-cta-btn--primary:hover::after {
  transform: translateX(120%);
}
.lp-cta-btn--ghost {
  background: var(--lp-panel-2);
  color: var(--lp-text);
  border: 1px solid var(--lp-border-strong);
  backdrop-filter: blur(10px);
}
.lp-cta-btn--ghost:hover {
  background: var(--lp-panel);
  border-color: rgba(99, 102, 241, 0.4);
  transform: translateY(-2px);
}
.lp-cta-btn--sm {
  padding: 9px 14px;
  font-size: 13px;
  border-radius: 10px;
}

/* ============================================================
   Hero
   ============================================================ */
.lp-hero {
  position: relative;
  padding: 156px 0 60px;
  overflow: hidden;
}
.lp-hero-aurora {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}
.lp-aurora {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.55;
  animation: lp-float 14s ease-in-out infinite;
}
.lp-aurora.a1 {
  width: 520px; height: 520px;
  left: -10%; top: -10%;
  background: radial-gradient(circle, rgba(0, 229, 255, 0.6), transparent 60%);
}
.lp-aurora.a2 {
  width: 620px; height: 620px;
  right: -8%; top: 5%;
  background: radial-gradient(circle, rgba(168, 85, 247, 0.5), transparent 60%);
  animation-delay: -4s;
}
.lp-aurora.a3 {
  width: 480px; height: 480px;
  left: 30%; bottom: -20%;
  background: radial-gradient(circle, rgba(255, 149, 80, 0.35), transparent 60%);
  animation-delay: -7s;
}
@keyframes lp-float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(30px, -20px) scale(1.08); }
}
.lp-aurora-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(148, 163, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 255, 0.06) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 30%, transparent 80%);
}

.lp-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: 64px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.lp-hero-copy {
  display: grid;
  gap: 28px;
  justify-items: start;
  align-self: center;
}
.lp-lead {
  margin: 0;
  max-width: 580px;
  color: var(--lp-text-2);
  font-size: 19px;
  line-height: 1.65;
}
.lp-lead b { color: var(--lp-text); font-weight: 700; }

.lp-cta-row {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.lp-trust-row {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-top: 8px;
}
.lp-trust-avatars { display: flex; }
.lp-trust-avatars > * {
  width: 36px; height: 36px;
  border-radius: 50%;
  display: grid; place-items: center;
  font-size: 12px;
  font-weight: 700;
  color: #fff;
  border: 2px solid var(--lp-bg-1);
  margin-left: -10px;
}
.lp-trust-avatars > *:first-child { margin-left: 0; }
.lp-trust-plus {
  background: var(--lp-panel-2);
  color: var(--lp-text-2) !important;
  border-color: var(--lp-border-strong) !important;
  font-size: 11px !important;
}
.lp-trust-copy {
  display: grid;
  line-height: 1.3;
}
.lp-trust-copy b {
  font-size: 14px;
  font-weight: 700;
}
.lp-trust-copy i {
  font-size: 12px;
  color: var(--lp-text-3);
  font-style: normal;
}

/* hero mock */
.lp-hero-mock {
  position: relative;
  align-self: center;
}
.lp-mock-wrap {
  position: relative;
  perspective: 1200px;
}
.lp-mock-glow {
  position: absolute;
  inset: -40px;
  background:
    radial-gradient(50% 50% at 30% 20%, rgba(0, 229, 255, 0.35), transparent 70%),
    radial-gradient(50% 50% at 80% 80%, rgba(168, 85, 247, 0.32), transparent 70%);
  filter: blur(40px);
  z-index: 0;
  pointer-events: none;
  border-radius: 28px;
}
.lp-mock-frame {
  position: relative;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  height: 560px;
  background: linear-gradient(180deg, rgba(20, 28, 51, 0.85), rgba(10, 15, 28, 0.95));
  border: 1px solid var(--lp-border-strong);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--shadow-glow);
  backdrop-filter: blur(20px);
  z-index: 1;
  transform: rotateX(2deg) rotateY(-6deg);
  transition: transform 0.4s ease;
}
.lp-mock-wrap:hover .lp-mock-frame {
  transform: rotateX(0) rotateY(0);
}
.lp-mock-chrome {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 16px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--lp-border);
  background: rgba(0, 0, 0, 0.28);
}
.lp-mock-dots { display: flex; gap: 6px; }
.lp-mock-dots span {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
}
.lp-mock-dots span:nth-child(1) { background: #ff5d7a; }
.lp-mock-dots span:nth-child(2) { background: #f5b84c; }
.lp-mock-dots span:nth-child(3) { background: #22d3a8; }
.lp-mock-tabs {
  display: flex;
  gap: 4px;
  justify-self: center;
  padding: 3px;
  border-radius: 10px;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--lp-border);
}
.lp-mock-tabs button {
  padding: 6px 12px;
  border: 0;
  background: transparent;
  color: var(--lp-text-3);
  font-size: 11.5px;
  font-weight: 600;
  border-radius: 7px;
  cursor: pointer;
  transition: 0.15s;
}
.lp-mock-tabs button.is-active {
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.2), rgba(99, 102, 241, 0.25));
  color: var(--lp-text);
  box-shadow: 0 2px 8px -2px rgba(0, 229, 255, 0.3);
}
.lp-mock-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 600;
  color: var(--c-green);
  font-family: "JetBrains Mono", monospace;
}
.lp-pulse {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--c-green);
  box-shadow: 0 0 0 0 rgba(34, 211, 168, 0.6);
  animation: lp-pulse 1.6s ease-in-out infinite;
}
@keyframes lp-pulse {
  0% { box-shadow: 0 0 0 0 rgba(34, 211, 168, 0.7); }
  70% { box-shadow: 0 0 0 8px rgba(34, 211, 168, 0); }
  100% { box-shadow: 0 0 0 0 rgba(34, 211, 168, 0); }
}

.lp-mock-body {
  display: grid;
  grid-template-columns: 200px 1fr 200px;
  min-height: 0;
  height: 100%;
}
.lp-mock-side {
  border-right: 1px solid var(--lp-border);
  padding: 12px 8px;
  display: grid;
  gap: 4px;
  align-content: start;
}
.lp-mock-search {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.25);
  color: var(--lp-text-3);
  font-size: 11.5px;
  margin-bottom: 8px;
}
.lp-mock-search svg { width: 12px; height: 12px; }
.lp-mock-conv {
  display: grid;
  grid-template-columns: 28px 1fr auto;
  gap: 8px;
  width: 100%;
  padding: 8px 10px;
  border: 0;
  border-radius: 9px;
  background: transparent;
  color: inherit;
  text-align: left;
  cursor: pointer;
  transition: 0.15s;
  align-items: center;
  font: inherit;
}
.lp-mock-conv:hover { background: var(--lp-panel-2); }
.lp-mock-conv.is-on {
  background: linear-gradient(90deg, rgba(0, 229, 255, 0.1), rgba(99, 102, 241, 0.06));
  box-shadow: inset 2px 0 0 var(--c-cyan);
}
.lp-mock-conv-main {
  display: grid;
  gap: 1px;
  min-width: 0;
}
.lp-mock-avatar {
  width: 28px; height: 28px;
  border-radius: 8px;
  display: grid; place-items: center;
  font-size: 11px;
  font-weight: 700;
  color: #fff;
}
.lp-avatar-md { width: 36px; height: 36px; font-size: 13px; border-radius: 10px; }
.lp-mock-conv b {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 700;
  min-width: 0;
  max-width: 118px;
  white-space: nowrap;
  overflow: hidden;
}
.lp-mock-conv i {
  font-style: normal;
  font-size: 11px;
  color: var(--lp-text-3);
  display: block;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.lp-mock-conv em {
  font-style: normal;
  font-size: 10px;
  color: var(--lp-text-3);
  font-variant-numeric: tabular-nums;
  justify-self: end;
}
.lp-tag {
  font-size: 9px;
  font-weight: 700;
  padding: 1px 5px;
  border-radius: 4px;
  flex: none;
}
.lp-tag.t-A { background: rgba(0, 229, 255, 0.2); color: var(--c-cyan); }
.lp-tag.t-B { background: rgba(245, 184, 76, 0.18); color: var(--c-amber); }
.lp-tag.t-C { background: rgba(110, 119, 143, 0.18); color: var(--lp-text-3); }

.lp-mock-chat {
  display: grid;
  grid-template-rows: auto 1fr auto;
  min-height: 0;
  overflow: hidden;
}
.lp-mock-chat-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--lp-border);
  align-items: center;
}
.lp-mock-chat-title {
  display: grid;
  gap: 2px;
  min-width: 0;
}
.lp-mock-chat-head b {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  min-width: 0;
  white-space: nowrap;
}
.lp-mock-chat-head i {
  font-style: normal;
  font-size: 11px;
  color: var(--lp-text-3);
  display: block;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.lp-mock-chat-actions {
  grid-column: 2;
  justify-self: start;
}
.lp-mock-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(0, 229, 255, 0.1);
  border: 1px solid rgba(0, 229, 255, 0.24);
  color: var(--c-cyan);
  font-size: 10.5px;
  font-weight: 700;
  font-family: "JetBrains Mono", monospace;
}
.lp-mock-msgs {
  padding: 18px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  overflow-y: auto;
  scrollbar-width: none;
  min-height: 0;
  height: 100%;
}
.lp-mock-msgs::-webkit-scrollbar { display: none; }
.lp-mock-panel {
  padding: 18px 16px;
  min-height: 0;
  height: 100%;
  overflow: hidden;
}
.lp-rule-panel {
  display: grid;
  gap: 10px;
  align-content: start;
}
.lp-rule-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px;
  padding: 12px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--lp-border);
}
.lp-rule-card > span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c-cyan);
  box-shadow: 0 0 12px rgba(0, 229, 255, 0.6);
  margin-top: 6px;
}
.lp-rule-card b {
  display: block;
  font-size: 12px;
  line-height: 1.4;
}
.lp-rule-card p {
  margin: 3px 0 0;
  color: var(--lp-text-2);
  font-size: 11.5px;
  line-height: 1.55;
}
.lp-rule-context {
  margin-top: 4px;
  padding: 10px 12px;
  border-radius: 10px;
  background: rgba(0, 229, 255, 0.08);
  border: 1px solid rgba(0, 229, 255, 0.2);
  color: var(--lp-text-2);
  font-size: 11.5px;
}
.lp-rule-context b { color: var(--lp-text); }
.lp-report-panel {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  align-content: start;
}
.lp-report-tile {
  min-height: 128px;
  padding: 14px 12px;
  border-radius: 12px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.025));
  border: 1px solid var(--lp-border);
}
.lp-report-tile i {
  display: block;
  font-style: normal;
  font-size: 10.5px;
  color: var(--lp-text-3);
}
.lp-report-tile b {
  display: block;
  margin-top: 8px;
  font-size: 25px;
  line-height: 1;
  color: var(--lp-text);
  font-variant-numeric: tabular-nums;
}
.lp-report-tile p {
  margin: 10px 0 0;
  color: var(--lp-text-2);
  font-size: 11px;
  line-height: 1.45;
}
.lp-report-focus {
  grid-column: 1 / -1;
  position: relative;
  height: 44px;
  border-radius: 12px;
  overflow: hidden;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--lp-border);
}
.lp-report-focus span {
  position: absolute;
  inset: 0 auto 0 0;
  background: linear-gradient(90deg, rgba(0, 229, 255, 0.3), rgba(99, 102, 241, 0.45));
}
.lp-report-focus b {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  height: 100%;
  padding: 0 14px;
  font-size: 12px;
}
.lp-bubble {
  max-width: 86%;
  padding: 9px 13px;
  border-radius: 14px;
  font-size: 12.5px;
  line-height: 1.55;
  position: relative;
  animation: lp-bubble-in 0.4s ease-out backwards;
}
@keyframes lp-bubble-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}
.lp-bubble p { margin: 0; }
.lp-bubble em {
  display: block;
  margin-top: 4px;
  font-style: normal;
  font-size: 10px;
  color: var(--lp-text-3);
  font-variant-numeric: tabular-nums;
}
.lp-bubble.is-in {
  align-self: flex-start;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--lp-border);
  border-top-left-radius: 4px;
}
.lp-bubble.is-out {
  align-self: flex-end;
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.16), rgba(99, 102, 241, 0.22));
  border: 1px solid rgba(99, 102, 241, 0.3);
  border-top-right-radius: 4px;
}
.lp-bubble.is-out em { color: rgba(255, 255, 255, 0.55); }
.lp-bubble--system {
  align-self: center;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(245, 184, 76, 0.08);
  border: 1px dashed rgba(245, 184, 76, 0.36);
  color: var(--c-amber);
  font-size: 11px;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 999px;
  max-width: 90%;
}
.lp-bubble--system svg { width: 13px; height: 13px; }
.lp-bubble--handoff {
  align-self: center;
  background: linear-gradient(135deg, rgba(34, 211, 168, 0.16), rgba(0, 229, 255, 0.12));
  border: 1px solid rgba(34, 211, 168, 0.34);
  color: var(--c-green);
  font-size: 11.5px;
  font-weight: 700;
  padding: 8px 14px;
  border-radius: 10px;
}
.lp-mock-input {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-top: 1px solid var(--lp-border);
  font-size: 11.5px;
  color: var(--lp-text-3);
  background: rgba(0, 0, 0, 0.2);
}
.lp-mock-typing {
  display: inline-flex;
  gap: 3px;
}
.lp-mock-typing i {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--c-cyan);
  animation: lp-typing 1s ease-in-out infinite;
}
.lp-mock-typing i:nth-child(2) { animation-delay: 0.15s; }
.lp-mock-typing i:nth-child(3) { animation-delay: 0.3s; }
@keyframes lp-typing {
  0%, 100% { opacity: 0.3; transform: translateY(0); }
  50% { opacity: 1; transform: translateY(-3px); }
}

.lp-mock-right {
  border-left: 1px solid var(--lp-border);
  padding: 12px;
  display: grid;
  gap: 10px;
  align-content: start;
}
.lp-mock-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--lp-border);
  border-radius: 10px;
  padding: 10px 12px;
}
.lp-mock-card-head {
  font-size: 10.5px;
  font-weight: 700;
  color: var(--lp-text-3);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}
.lp-mock-card ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 5px;
}
.lp-mock-card li {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
}
.lp-mock-card li i {
  font-style: normal;
  color: var(--lp-text-3);
}
.lp-mock-card li b {
  font-weight: 700;
  color: var(--lp-text);
}
.lp-action {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 0;
  font-size: 11.5px;
  font-weight: 600;
  border-bottom: 1px solid var(--lp-border);
}
.lp-action:last-child { border-bottom: 0; }
.lp-action-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--c-cyan);
  box-shadow: 0 0 8px var(--c-cyan);
}
.lp-action-dot--soft {
  background: var(--lp-text-3);
  box-shadow: none;
}
.lp-mock-meter {
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.06), rgba(99, 102, 241, 0.08));
  border: 1px solid rgba(99, 102, 241, 0.24);
  border-radius: 10px;
  padding: 10px 12px;
}
.lp-mock-meter > div:first-child {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 8px;
}
.lp-mock-meter i {
  font-style: normal;
  font-size: 10.5px;
  color: var(--lp-text-3);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 700;
}
.lp-mock-meter b {
  font-size: 22px;
  font-weight: 800;
  font-family: "JetBrains Mono", monospace;
  background: linear-gradient(135deg, var(--c-cyan), var(--c-indigo));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.lp-meter-bar {
  height: 6px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.3);
  overflow: hidden;
  position: relative;
}
.lp-meter-bar span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--c-cyan), var(--c-indigo));
  border-radius: inherit;
  position: relative;
}
.lp-meter-bar span::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
  background-size: 200% 100%;
  animation: lp-shimmer 2s linear infinite;
}
@keyframes lp-shimmer { to { background-position: -200% 0; } }

.lp-float {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  background: rgba(15, 22, 41, 0.9);
  backdrop-filter: blur(20px);
  border: 1px solid var(--lp-border-strong);
  border-radius: 14px;
  box-shadow: var(--shadow-card);
  z-index: 2;
}
.lp-float--lt {
  top: 8%;
  left: -4%;
  animation: lp-float-up 4s ease-in-out infinite;
}
.lp-float--rb {
  bottom: 12%;
  right: -3%;
  animation: lp-float-up 4s ease-in-out infinite;
  animation-delay: -2s;
}
@keyframes lp-float-up {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}
.lp-float-icon {
  width: 32px; height: 32px;
  border-radius: 9px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid currentColor;
  display: grid;
  place-items: center;
  flex-shrink: 0;
}
.lp-float-icon svg { width: 16px; height: 16px; }
.lp-float b {
  display: block;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--lp-text);
}
.lp-float i {
  display: block;
  font-style: normal;
  font-size: 10.5px;
  color: var(--lp-text-3);
  font-family: "JetBrains Mono", monospace;
}

/* ============================================================
   Marquee
   ============================================================ */
.lp-marquee {
  position: relative;
  margin-top: 80px;
  padding: 18px 0;
  border-top: 1px solid var(--lp-border);
  border-bottom: 1px solid var(--lp-border);
  background: rgba(0, 0, 0, 0.16);
  overflow: hidden;
}
.lp-marquee-fade {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(90deg, var(--lp-bg-1), transparent 12%, transparent 88%, var(--lp-bg-1));
  z-index: 1;
}
.lp-marquee-track {
  display: flex;
  gap: 14px;
  animation: lp-marquee 40s linear infinite;
  width: fit-content;
}
.lp-marquee-item {
  display: inline-grid;
  place-items: center;
  min-width: 132px;
  height: 44px;
  padding: 0 18px;
  border-radius: 10px;
  border: 1px solid var(--lp-border);
  background: rgba(255, 255, 255, 0.045);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
  white-space: nowrap;
  font-size: 15px;
  font-weight: 800;
  color: var(--lp-text);
  opacity: 0.68;
  letter-spacing: 0.08em;
  transition: 0.2s;
}
.lp-marquee-item:hover {
  opacity: 1;
  border-color: var(--lp-border-strong);
  background: rgba(255, 255, 255, 0.07);
}
@keyframes lp-marquee {
  to { transform: translateX(-50%); }
}

/* ============================================================
   Why / Leak
   ============================================================ */
.lp-leak-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.lp-leak {
  --lc: var(--c-pink);
  position: relative;
  padding: 32px 28px 36px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.01));
  border: 1px solid var(--lp-border);
  border-radius: 18px;
  overflow: hidden;
  transition: 0.3s;
}
.lp-leak:hover {
  border-color: var(--lc);
  transform: translateY(-4px);
  box-shadow: 0 20px 50px -20px rgba(255, 93, 122, 0.4);
}
.lp-leak--danger { --lc: var(--c-pink); }
.lp-leak--warning { --lc: var(--c-amber); }
.lp-leak--purple { --lc: var(--c-purple); }
.lp-leak-num {
  font-family: "JetBrains Mono", monospace;
  font-size: 56px;
  font-weight: 800;
  color: var(--lc);
  opacity: 0.3;
  line-height: 1;
  margin-bottom: 16px;
  text-shadow: 0 0 32px currentColor;
}
.lp-leak-icon {
  position: absolute;
  top: 28px;
  right: 28px;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--lc);
  color: var(--lc);
  display: grid;
  place-items: center;
}
.lp-leak-icon svg { width: 20px; height: 20px; }
.lp-leak h3 {
  margin: 0 0 12px;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.lp-leak p {
  margin: 0;
  color: var(--lp-text-2);
  font-size: 14.5px;
  line-height: 1.65;
}
.lp-leak-line {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--lc), transparent);
  opacity: 0;
  transition: 0.3s;
}
.lp-leak:hover .lp-leak-line { opacity: 1; }

/* ============================================================
   Real dialogue
   ============================================================ */
.lp-dialogue-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.75fr);
  gap: 24px;
  align-items: stretch;
}
.lp-wechat-card,
.lp-handoff-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--lp-border);
  border-radius: 20px;
  box-shadow: var(--shadow-card);
}
.lp-wechat-card {
  overflow: hidden;
}
.lp-wechat-head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 22px;
  border-bottom: 1px solid var(--lp-border);
  background: rgba(0, 0, 0, 0.18);
}
.lp-wechat-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--c-green);
  box-shadow: 0 0 16px rgba(34, 211, 168, 0.7);
}
.lp-wechat-head b {
  display: block;
  font-size: 15px;
  font-weight: 800;
}
.lp-wechat-head i {
  display: block;
  font-style: normal;
  color: var(--lp-text-3);
  font-size: 12px;
}
.lp-wechat-body {
  display: grid;
  gap: 14px;
  padding: 24px;
}
.lp-wechat-row {
  display: grid;
  gap: 5px;
  max-width: 74%;
}
.lp-wechat-row span {
  font-size: 11px;
  color: var(--lp-text-3);
  font-weight: 700;
}
.lp-wechat-row p {
  margin: 0;
  padding: 12px 14px;
  border-radius: 16px;
  font-size: 15px;
  line-height: 1.55;
}
.lp-wechat-row.is-customer {
  justify-self: start;
}
.lp-wechat-row.is-customer p {
  background: rgba(255, 255, 255, 0.08);
  border-top-left-radius: 6px;
}
.lp-wechat-row.is-ai {
  justify-self: end;
}
.lp-wechat-row.is-ai span {
  text-align: right;
}
.lp-wechat-row.is-ai p {
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.18), rgba(99, 102, 241, 0.18));
  border: 1px solid rgba(0, 229, 255, 0.22);
  border-top-right-radius: 6px;
}
.lp-handoff-stack {
  display: grid;
  gap: 18px;
}
.lp-handoff-card {
  padding: 26px;
}
.lp-handoff-card small {
  display: inline-block;
  color: var(--c-cyan);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
}
.lp-handoff-card h3 {
  margin: 12px 0 10px;
  font-size: 24px;
  line-height: 1.25;
}
.lp-handoff-card p {
  margin: 0;
  color: var(--lp-text-2);
  font-size: 15px;
  line-height: 1.65;
}
.lp-handoff-card--accent {
  border-color: rgba(255, 149, 80, 0.34);
  background: linear-gradient(135deg, rgba(255, 149, 80, 0.08), rgba(255, 93, 122, 0.06));
}
.lp-handoff-card--accent small {
  color: var(--c-orange);
}

/* ============================================================
   How / 4-step flow
   ============================================================ */
.lp-flow {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin-top: 24px;
  padding: 80px 0 32px;
}
.lp-flow-rail {
  position: absolute;
  top: 102px;
  left: 12.5%;
  right: 12.5%;
  height: 2px;
  background: var(--lp-border);
  border-radius: 1px;
}
.lp-flow-fill {
  position: absolute;
  top: 102px;
  left: 12.5%;
  height: 2px;
  background: linear-gradient(90deg, var(--c-cyan), var(--c-purple), var(--c-orange));
  box-shadow: 0 0 12px var(--c-cyan);
  border-radius: 1px;
  transition: width 0.6s ease;
  max-width: 75%;
}
.lp-flow-step {
  --c: var(--c-cyan);
  background: transparent;
  border: 0;
  padding: 0 18px;
  display: grid;
  gap: 14px;
  justify-items: center;
  text-align: center;
  cursor: pointer;
  position: relative;
  z-index: 1;
}
.lp-flow-node {
  width: 56px; height: 56px;
  border-radius: 18px;
  background: var(--lp-bg-1);
  border: 1px solid var(--lp-border-strong);
  display: grid;
  place-items: center;
  color: var(--lp-text-3);
  transition: 0.3s;
  position: relative;
}
.lp-flow-node::before {
  content: "";
  position: absolute;
  inset: -4px;
  border-radius: inherit;
  background: var(--c);
  opacity: 0;
  filter: blur(12px);
  transition: 0.3s;
  z-index: -1;
}
.lp-flow-node svg { width: 22px; height: 22px; }
.lp-flow-step.is-active .lp-flow-node,
.lp-flow-step.is-done .lp-flow-node {
  background: linear-gradient(135deg, var(--c) 0%, color-mix(in oklab, var(--c), #6366f1) 100%);
  border-color: var(--c);
  color: var(--lp-bg-1);
  box-shadow: 0 0 24px -4px var(--c);
}
.lp-flow-step.is-active .lp-flow-node::before { opacity: 0.45; }
.lp-flow-step small {
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  color: var(--c);
  letter-spacing: 0.1em;
  font-weight: 700;
}
.lp-flow-step h3 {
  margin: 0;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.01em;
}
.lp-flow-step p {
  margin: 0;
  max-width: 220px;
  color: var(--lp-text-2);
  font-size: 13.5px;
  line-height: 1.6;
}
.lp-flow-step.is-active h3 {
  background: linear-gradient(135deg, var(--c), color-mix(in oklab, var(--c), #fff));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ============================================================
   Engine grid
   ============================================================ */
.lp-engine-aurora {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}
.lp-engine-aurora span {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
}
.lp-engine-aurora span:first-child {
  width: 600px; height: 600px;
  left: -10%; top: 10%;
  background: rgba(168, 85, 247, 0.25);
}
.lp-engine-aurora span:last-child {
  width: 500px; height: 500px;
  right: -8%; bottom: 0%;
  background: rgba(0, 229, 255, 0.18);
}
.lp-engine-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.lp-engine-card {
  --c: var(--c-cyan);
  position: relative;
  padding: 30px 26px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--lp-border);
  border-radius: 18px;
  backdrop-filter: blur(14px);
  overflow: hidden;
  min-height: 240px;
  transition: 0.3s;
  isolation: isolate;
}
.lp-engine-card:hover {
  transform: translateY(-3px);
  border-color: var(--c);
  background: rgba(255, 255, 255, 0.05);
}
.lp-engine-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 100% 0%, var(--c), transparent 60%);
  opacity: 0;
  transition: 0.4s;
  z-index: -1;
}
.lp-engine-card:hover .lp-engine-glow { opacity: 0.18; }
.lp-engine-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--c), transparent);
  opacity: 0.6;
}
.lp-engine-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: "JetBrains Mono", monospace;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--c);
  text-transform: uppercase;
}
.lp-engine-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--c);
  box-shadow: 0 0 10px var(--c);
}
.lp-engine-card h3 {
  margin: 18px 0 10px;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.015em;
}
.lp-engine-card p {
  margin: 0;
  color: var(--lp-text-2);
  font-size: 14px;
  line-height: 1.65;
}
.lp-engine-stat {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px dashed var(--lp-border);
  font-family: "JetBrains Mono", monospace;
  font-size: 11.5px;
  font-weight: 700;
  color: var(--lp-text-3);
  letter-spacing: 0.06em;
}

/* ============================================================
   Compare
   ============================================================ */
.lp-compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  margin-top: 24px;
}
.lp-compare-col {
  position: relative;
  padding: 32px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--lp-border);
  border-radius: 20px;
  overflow: hidden;
}
.lp-compare-col header {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-bottom: 18px;
  margin-bottom: 8px;
  border-bottom: 1px solid var(--lp-border);
}
.lp-compare-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  flex-shrink: 0;
}
.lp-compare-icon svg { width: 20px; height: 20px; }
.lp-compare-col header small {
  font-family: "JetBrains Mono", monospace;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--lp-text-3);
}
.lp-compare-col header h3 {
  margin: 4px 0 0;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.01em;
}
.lp-compare-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 4px;
}
.lp-compare-col ul li {
  display: grid;
  grid-template-columns: 24px 1fr;
  gap: 10px;
  padding: 12px 0;
  border-bottom: 1px solid var(--lp-border);
  font-size: 14.5px;
  line-height: 1.55;
}
.lp-compare-col ul li:last-child { border-bottom: 0; }
.lp-compare-col ul li svg {
  width: 18px; height: 18px;
  border-radius: 50%;
  padding: 3px;
  flex-shrink: 0;
}
.lp-compare-col--bad {
  border-color: rgba(255, 93, 122, 0.2);
}
.lp-compare-col--bad .lp-compare-icon {
  background: rgba(255, 93, 122, 0.12);
  color: var(--c-pink);
  border: 1px solid rgba(255, 93, 122, 0.3);
}
.lp-compare-col--bad ul li svg {
  background: rgba(255, 93, 122, 0.12);
  color: var(--c-pink);
}
.lp-compare-col--bad ul li { color: var(--lp-text-3); }
.lp-compare-col--good {
  border-color: rgba(0, 229, 255, 0.34);
  background:
    linear-gradient(180deg, rgba(0, 229, 255, 0.04), rgba(99, 102, 241, 0.06)),
    rgba(255, 255, 255, 0.03);
  box-shadow: 0 30px 80px -30px rgba(0, 229, 255, 0.4);
}
.lp-compare-glow {
  position: absolute;
  top: -40%;
  right: -20%;
  width: 60%;
  aspect-ratio: 1;
  background: radial-gradient(circle, rgba(0, 229, 255, 0.18), transparent 70%);
  filter: blur(40px);
  pointer-events: none;
}
.lp-compare-col--good .lp-compare-icon {
  background: linear-gradient(135deg, var(--c-cyan), var(--c-indigo));
  color: var(--lp-bg-1);
  box-shadow: 0 8px 20px -4px rgba(0, 229, 255, 0.5);
}
.lp-compare-col--good ul li svg {
  background: rgba(34, 211, 168, 0.16);
  color: var(--c-green);
}
.lp-compare-col--good ul li { color: var(--lp-text); font-weight: 500; }

/* ============================================================
   Proof
   ============================================================ */
.lp-proof-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.lp-proof-card {
  position: relative;
  padding: 28px 24px 0;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--lp-border);
  border-radius: 18px;
  overflow: hidden;
  min-height: 200px;
}
.lp-proof-num {
  font-family: "JetBrains Mono", monospace;
  font-size: clamp(30px, 3.8vw, 56px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.04em;
  background: linear-gradient(135deg, var(--c-cyan), var(--c-indigo));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.lp-proof-num i {
  font-style: normal;
  font-size: 24px;
  font-weight: 700;
  margin-left: 4px;
  -webkit-background-clip: text;
  background-clip: text;
}
.lp-proof-card h3 {
  margin: 12px 0 6px;
  font-size: 16px;
  font-weight: 700;
}
.lp-proof-card p {
  margin: 0 0 12px;
  color: var(--lp-text-3);
  font-size: 12.5px;
}
.lp-spark {
  display: block;
  width: 100%;
  height: 56px;
  margin-top: 4px;
  opacity: 0.7;
}

/* ============================================================
   Fit / Industries
   ============================================================ */
.lp-fit-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.lp-fit {
  position: relative;
  padding: 28px 26px 64px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--lp-border);
  border-radius: 18px;
  transition: 0.3s;
  overflow: hidden;
  cursor: pointer;
}
.lp-fit::after {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 1px;
  background: linear-gradient(90deg, transparent, var(--c-cyan), transparent);
  transform: scaleX(0);
  transition: 0.3s;
}
.lp-fit:hover {
  transform: translateY(-3px);
  border-color: rgba(0, 229, 255, 0.38);
  background: rgba(255, 255, 255, 0.05);
}
.lp-fit:hover::after { transform: scaleX(1); }
.lp-fit-icon {
  display: grid;
  place-items: center;
  width: 44px; height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.14), rgba(99, 102, 241, 0.16));
  color: var(--c-cyan);
  margin-bottom: 16px;
}
.lp-fit-icon svg { width: 22px; height: 22px; }
.lp-fit small {
  font-family: "JetBrains Mono", monospace;
  font-size: 10.5px;
  font-weight: 700;
  color: var(--lp-text-3);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.lp-fit h3 {
  margin: 8px 0 10px;
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.lp-fit p {
  margin: 0;
  color: var(--lp-text-2);
  font-size: 13.5px;
  line-height: 1.6;
}
.lp-fit-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}
.lp-fit-list li {
  display: grid;
  gap: 4px;
}
.lp-fit-list b {
  font-size: 12px;
  color: var(--lp-text);
}
.lp-fit-list span {
  color: var(--lp-text-2);
  font-size: 13px;
  line-height: 1.55;
}
.lp-fit-arrow {
  position: absolute;
  bottom: 22px;
  right: 22px;
  width: 32px; height: 32px;
  border-radius: 10px;
  background: var(--lp-panel-2);
  border: 1px solid var(--lp-border);
  display: grid;
  place-items: center;
  color: var(--lp-text-3);
  transition: 0.3s;
}
.lp-fit-arrow svg { width: 14px; height: 14px; }
.lp-fit:hover .lp-fit-arrow {
  background: linear-gradient(135deg, var(--c-cyan), var(--c-indigo));
  color: var(--lp-bg-1);
  border-color: transparent;
  transform: translateX(2px);
}

/* ============================================================
   Voices / Testimonials
   ============================================================ */
.lp-voice-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.lp-voice {
  position: relative;
  padding: 30px 28px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--lp-border);
  border-radius: 18px;
  margin: 0;
  overflow: hidden;
  transition: 0.3s;
}
.lp-voice:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--lp-border-strong);
  transform: translateY(-3px);
}
.lp-voice-quote {
  width: 32px; height: 32px;
  color: var(--c-purple);
  opacity: 0.4;
  margin-bottom: 6px;
}
.lp-voice blockquote {
  margin: 0 0 22px;
  font-size: 16px;
  line-height: 1.65;
  color: var(--lp-text);
  font-weight: 500;
}
.lp-voice figcaption {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 12px;
  padding-top: 18px;
  border-top: 1px solid var(--lp-border);
}
.lp-voice-avatar {
  width: 40px; height: 40px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  font-size: 14px;
  font-weight: 800;
  color: #fff;
}
.lp-voice figcaption b {
  display: block;
  font-size: 13.5px;
  font-weight: 700;
}
.lp-voice figcaption i {
  display: block;
  font-style: normal;
  font-size: 11.5px;
  color: var(--lp-text-3);
}
.lp-voice-stat {
  text-align: right;
}
.lp-voice-stat b {
  font-family: "JetBrains Mono", monospace;
  font-size: 18px !important;
  font-weight: 800 !important;
  color: var(--c-green);
}
.lp-voice-stat i {
  font-size: 10.5px !important;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ============================================================
   FAQ
   ============================================================ */
.lp-faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  max-width: 980px;
  margin: 0 auto;
}
.lp-faq-item {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--lp-border);
  border-radius: 14px;
  padding: 18px 22px;
  cursor: pointer;
  transition: 0.3s;
}
.lp-faq-item:hover { border-color: var(--lp-border-strong); }
.lp-faq-item.is-open {
  background: linear-gradient(180deg, rgba(0, 229, 255, 0.04), rgba(99, 102, 241, 0.05));
  border-color: rgba(0, 229, 255, 0.32);
}
.lp-faq-item header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
}
.lp-faq-item h3 {
  margin: 0;
  font-size: 15.5px;
  font-weight: 700;
}
.lp-faq-ico {
  width: 28px; height: 28px;
  border-radius: 8px;
  background: var(--lp-panel-2);
  display: grid;
  place-items: center;
  color: var(--lp-text-3);
  flex-shrink: 0;
  transition: 0.3s;
}
.lp-faq-ico svg { width: 14px; height: 14px; }
.lp-faq-item.is-open .lp-faq-ico {
  background: linear-gradient(135deg, var(--c-cyan), var(--c-indigo));
  color: var(--lp-bg-1);
  transform: rotate(180deg);
}
.lp-faq-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, margin 0.3s;
}
.lp-faq-item.is-open .lp-faq-body {
  max-height: 400px;
  margin-top: 12px;
}
.lp-faq-body p {
  margin: 0;
  color: var(--lp-text-2);
  font-size: 14px;
  line-height: 1.65;
}

/* ============================================================
   Final CTA
   ============================================================ */
.lp-cta-card {
  position: relative;
  padding: 56px;
  border-radius: 28px;
  background:
    linear-gradient(135deg, rgba(0, 229, 255, 0.06), rgba(168, 85, 247, 0.08)),
    rgba(15, 22, 41, 0.85);
  border: 1px solid rgba(99, 102, 241, 0.34);
  overflow: hidden;
  box-shadow: 0 40px 100px -30px rgba(0, 0, 0, 0.7);
}
.lp-cta-glow {
  position: absolute;
  top: -50%; left: -10%;
  width: 70%; aspect-ratio: 1;
  background: radial-gradient(circle, rgba(0, 229, 255, 0.3), transparent 60%);
  filter: blur(80px);
  pointer-events: none;
}
.lp-cta-card::after {
  content: "";
  position: absolute;
  bottom: -50%; right: -20%;
  width: 80%; aspect-ratio: 1;
  background: radial-gradient(circle, rgba(168, 85, 247, 0.3), transparent 60%);
  filter: blur(80px);
  pointer-events: none;
}
.lp-cta-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 56px;
  align-items: center;
  z-index: 1;
}
.lp-cta-left {
  display: grid;
  gap: 22px;
  justify-items: start;
}
.lp-cta-left p {
  margin: 0;
  color: var(--lp-text-2);
  font-size: 17px;
  line-height: 1.65;
}
.lp-cta-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.lp-cta-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14.5px;
  font-weight: 600;
}
.lp-cta-list li span {
  width: 18px; height: 18px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--c-cyan), var(--c-indigo));
  position: relative;
}
.lp-cta-list li span::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(45deg, transparent 45%, var(--lp-bg-1) 45%, var(--lp-bg-1) 55%, transparent 55%),
    linear-gradient(-45deg, transparent 45%, var(--lp-bg-1) 45%, var(--lp-bg-1) 55%, transparent 55%);
  background-size: 6px 2px;
  background-repeat: no-repeat;
  background-position: center;
  transform: rotate(0);
}
/* simpler check: */
.lp-cta-list li span {
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--c-cyan), var(--c-indigo));
}
.lp-cta-list li span::after {
  content: "";
  width: 8px; height: 4px;
  border-left: 2px solid var(--lp-bg-1);
  border-bottom: 2px solid var(--lp-bg-1);
  transform: rotate(-45deg) translate(1px, -1px);
  background: none;
}

.lp-cta-right {
  display: grid;
  gap: 18px;
}
.lp-qr-card {
  display: grid;
  gap: 8px;
  justify-items: center;
  padding: 22px;
  background: #fff;
  border-radius: 18px;
  text-align: center;
  box-shadow: 0 20px 50px -20px rgba(0, 229, 255, 0.5);
}
.lp-qr-svg,
.lp-qr-img {
  width: 168px;
  height: 168px;
}
.lp-qr-img {
  display: block;
  object-fit: contain;
  border-radius: 10px;
}
.lp-qr-svg {
  color: #06090f;
}
.lp-qr-card b {
  margin-top: 8px;
  font-size: 14px;
  font-weight: 700;
  color: #06090f;
}
.lp-qr-card i {
  font-style: normal;
  font-size: 11.5px;
  color: #475569;
  font-family: "JetBrains Mono", monospace;
}
.lp-cta-mini {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  padding: 16px;
  border-radius: 14px;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--lp-border);
}
.lp-cta-mini div {
  text-align: center;
  display: grid;
  gap: 4px;
}
.lp-cta-mini b {
  font-family: "JetBrains Mono", monospace;
  font-size: 22px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--c-cyan), var(--c-indigo));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.lp-cta-mini i {
  font-style: normal;
  font-size: 11px;
  color: var(--lp-text-3);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
}

/* ============================================================
   Footer
   ============================================================ */
.lp-footer {
  border-top: 1px solid var(--lp-border);
  padding: 56px 0 28px;
  background: rgba(0, 0, 0, 0.2);
}
.lp-footer-inner {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 48px;
  padding-bottom: 36px;
}
.lp-footer-brand {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}
.lp-footer-brand b {
  display: block;
  font-size: 16px;
  font-weight: 800;
}
.lp-footer-brand i {
  display: block;
  font-style: normal;
  font-size: 12px;
  color: var(--lp-text-3);
  margin-top: 4px;
  max-width: 240px;
}
.lp-footer-cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.lp-footer-cols small {
  display: block;
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  font-weight: 700;
  color: var(--lp-text-3);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.lp-footer-cols a {
  display: block;
  padding: 4px 0;
  font-size: 13.5px;
  color: var(--lp-text-2);
  transition: color 0.15s;
}
.lp-footer-cols a:hover { color: var(--lp-text); }
.lp-footer-bot {
  display: flex;
  justify-content: space-between;
  padding-top: 22px;
  border-top: 1px solid var(--lp-border);
  font-size: 12px;
  color: var(--lp-text-3);
  font-family: "JetBrains Mono", monospace;
}
.lp-footer-bot a {
  color: var(--lp-text-3);
}
.lp-footer-bot a:hover { color: var(--lp-text); }

/* ============================================================
   Modal
   ============================================================ */
.lp-modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(6, 9, 15, 0.78);
  backdrop-filter: blur(8px);
  display: grid;
  place-items: center;
  padding: 24px;
  animation: lp-modal-in 0.2s ease;
}
@keyframes lp-modal-in { from { opacity: 0; } to { opacity: 1; } }
.lp-modal-card {
  position: relative;
  width: 100%;
  max-width: 460px;
  padding: 36px 32px 30px;
  background: linear-gradient(180deg, rgba(20, 28, 51, 0.96), rgba(10, 15, 28, 0.98));
  border: 1px solid var(--lp-border-strong);
  border-radius: 22px;
  box-shadow: 0 40px 100px -30px rgba(0, 0, 0, 0.7);
  display: grid;
  gap: 18px;
  animation: lp-modal-pop 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}
@keyframes lp-modal-pop {
  from { transform: translateY(20px) scale(0.96); opacity: 0; }
  to { transform: translateY(0) scale(1); opacity: 1; }
}
.lp-modal-card h3 {
  margin: 0;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.01em;
}
.lp-modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 32px; height: 32px;
  border-radius: 10px;
  background: var(--lp-panel-2);
  border: 1px solid var(--lp-border);
  color: var(--lp-text-2);
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: 0.15s;
}
.lp-modal-close:hover { color: var(--lp-text); background: var(--lp-panel-2); }
.lp-modal-close svg { width: 14px; height: 14px; }
.lp-modal-form {
  display: grid;
  gap: 12px;
}
.lp-modal-form label {
  display: grid;
  gap: 5px;
}
.lp-modal-form span {
  font-size: 11px;
  font-weight: 700;
  color: var(--lp-text-3);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.lp-modal-form input,
.lp-modal-form select {
  width: 100%;
  padding: 11px 14px;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--lp-border);
  border-radius: 10px;
  color: var(--lp-text);
  font: inherit;
  font-size: 14px;
  outline: none;
  transition: 0.15s;
}
.lp-modal-form input:focus,
.lp-modal-form select:focus {
  border-color: var(--c-cyan);
  box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.18);
}
.lp-modal-submit {
  width: 100%;
  justify-content: center;
  margin-top: 6px;
}
.lp-modal-foot {
  margin: 0;
  text-align: center;
  font-size: 11.5px;
  color: var(--lp-text-3);
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1180px) {
  :root { --lp-w: min(1180px, calc(100vw - 32px)); }
  .lp-hero-grid { grid-template-columns: 1fr; gap: 56px; }
  .lp-mock-frame { height: 540px; }
  .lp-mock-body { grid-template-columns: 180px 1fr; }
  .lp-mock-right { display: none; }
  .lp-leak-grid,
  .lp-engine-grid,
  .lp-fit-grid,
  .lp-voice-grid,
  .lp-dialogue-grid,
  .lp-proof-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .lp-flow {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  .lp-flow-rail, .lp-flow-fill { display: none; }
  .lp-cta-grid { grid-template-columns: 1fr; gap: 32px; }
  .lp-nav-links { display: none; }
}

@media (max-width: 720px) {
  :root { --lp-w: calc(100vw - 32px); }
  .lp-hero { padding: 130px 0 40px; }
  .lp-section { padding: 80px 0; }
  .lp-section--dark { padding: 88px 0; }
  .lp-h1 {
    font-size: clamp(38px, 12vw, 52px);
    letter-spacing: 0;
  }
  .lp-h2 { font-size: clamp(28px, 8vw, 40px); }
  .lp-lead { font-size: 16.5px; }
  .lp-leak-grid,
  .lp-dialogue-grid,
  .lp-engine-grid,
  .lp-fit-grid,
  .lp-voice-grid,
  .lp-proof-grid,
  .lp-faq-grid,
  .lp-compare,
  .lp-flow {
    grid-template-columns: 1fr;
  }
  .lp-wechat-body { padding: 18px; }
  .lp-wechat-row { max-width: 88%; }
  .lp-handoff-card { padding: 22px; }
  .lp-mock-frame { height: 520px; }
  .lp-mock-body { grid-template-columns: 1fr; min-height: 0; }
  .lp-mock-side { display: none; }
  .lp-mock-chat-head {
    grid-template-columns: auto minmax(0, 1fr);
    align-items: start;
  }
  .lp-mock-chat-actions {
    grid-column: 2;
    justify-self: start;
  }
  .lp-report-panel { grid-template-columns: 1fr; }
  .lp-report-tile {
    min-height: auto;
    padding: 12px;
  }
  .lp-report-tile b { font-size: 22px; }
  .lp-float { display: none; }
  .lp-nav { padding: 8px 10px; gap: 8px; }
  .lp-brand-text { display: none; }
  .lp-cta-card { padding: 32px 22px; }
  .lp-footer-inner { grid-template-columns: 1fr; gap: 28px; }
  .lp-footer-cols { grid-template-columns: repeat(3, 1fr); gap: 12px; }
  .lp-cta-row { width: 100%; }
  .lp-cta-row .lp-cta-btn { flex: 1; justify-content: center; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}