:root {
  --orange: #ff7a00;
  --orange-dark: #e06000;
  --orange-soft: #fff1dd;
  --ink: #1a1a1f;
  --muted: #6b6b73;
  --line: #ece7df;
  --cream: #fff8f0;
  --soft: #fff4e8;
  --green: #16a34a;
  --blue: #2563eb;
  --dark: #12141a;
  --card: #ffffff;
  --shadow: 0 20px 50px rgba(140, 72, 12, 0.12);
  --radius: 24px;
  --container: min(1160px, calc(100% - 40px));
}

* { box-sizing: border-box; }
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}
body {
  margin: 0;
  color: var(--ink);
  background: #fff;
  font-family: "Avenir Next", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img, video { max-width: 100%; display: block; height: auto; }
button, input, select { font: inherit; }

.container {
  width: var(--container);
  margin: 0 auto;
  padding-left: env(safe-area-inset-left, 0);
  padding-right: env(safe-area-inset-right, 0);
}

/* Nav */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(230, 224, 214, 0.85);
}
.nav-inner {
  min-height: 70px;
  display: flex;
  align-items: center;
  gap: 22px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 900;
  font-size: 19px;
  margin-right: auto;
}
.brand img {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  object-fit: cover;
  box-shadow: 0 8px 20px rgba(255, 122, 0, 0.18);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
}
.nav-link {
  color: #4f4f56;
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
}
.nav-link:hover,
.nav-link.active { color: var(--orange); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 20px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 800;
  cursor: pointer;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, #ff8a00, #ff5f00);
  box-shadow: 0 12px 28px rgba(255, 122, 0, 0.28);
}
.btn-secondary {
  color: var(--orange-dark);
  background: #fff;
  border-color: #ffd6ae;
}
.btn-ghost {
  color: #9a5c22;
  background: #fff7ef;
  border-color: #ffe2c5;
}
.btn-dark {
  color: #fff;
  background: #171717;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.18);
}
.btn-sm { min-height: 38px; padding: 0 14px; font-size: 14px; }
.btn-lg { min-height: 52px; padding: 0 28px; font-size: 16px; }

/* Hero */
.hero {
  position: relative;
  overflow: hidden;
  padding: 72px 0 56px;
  background:
    radial-gradient(circle at 12% 18%, rgba(255, 122, 0, 0.16), transparent 28%),
    radial-gradient(circle at 88% 8%, rgba(255, 199, 125, 0.28), transparent 24%),
    linear-gradient(180deg, #fffaf3 0%, #fff 78%);
}
.hero-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 48px;
  align-items: center;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 999px;
  color: #9a5000;
  background: #fff1dd;
  border: 1px solid #ffd6a7;
  font-size: 13px;
  font-weight: 800;
}
.hero h1 {
  margin: 20px 0 16px;
  font-size: clamp(38px, 5.6vw, 68px);
  line-height: 1.08;
  font-weight: 950;
  letter-spacing: -0.02em;
}
.hero-highlight { color: var(--orange); }
.lead {
  max-width: 560px;
  color: #56565d;
  font-size: 18px;
  line-height: 1.8;
  margin: 0;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}
.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}
.trust-pill {
  padding: 7px 12px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid #f0e5d8;
  color: #5e5e65;
  font-weight: 700;
  font-size: 12px;
}

/* Media cards */
.media-card {
  position: relative;
  border-radius: 28px;
  padding: 12px;
  background: linear-gradient(135deg, #fff, #fff3df);
  border: 1px solid #ffdfbd;
  box-shadow: 0 28px 70px rgba(164, 91, 16, 0.18);
  overflow: hidden;
}
/* Native block video — avoid absolute stacking bugs that cause black players */
.media-frame {
  position: relative;
  border-radius: 22px;
  overflow: hidden;
  background: #111;
  width: 100%;
}
.media-frame video {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: contain;
  background: #111;
  vertical-align: top;
  border: 0;
}
/* Hero keeps a glow behind without covering the video */
.media-frame.hero-frame {
  background: #0f1115;
}
.media-glow {
  position: absolute;
  inset: auto 12% -20% 12%;
  height: 40%;
  background: radial-gradient(circle, rgba(255, 122, 0, 0.45), transparent 70%);
  filter: blur(18px);
  pointer-events: none;
  z-index: 0;
}

/* Story ad — simple, no overlays that block clicks */
.ad-box {
  width: min(980px, 100%);
  margin: 0 auto;
  border-radius: 22px;
  overflow: hidden;
  background: #111;
  border: 1px solid #ffdfbd;
  box-shadow: 0 20px 50px rgba(140, 72, 12, 0.14);
}
.ad-video {
  display: block !important;
  width: 100% !important;
  height: auto !important;
  min-height: 220px;
  max-width: 100% !important;
  aspect-ratio: 16 / 9;
  background: #000;
  border: 0;
  vertical-align: top;
}

.float-badge {
  position: absolute;
  right: 22px;
  bottom: 22px;
  padding: 10px 14px;
  border-radius: 14px;
  color: #14321f;
  background: rgba(229, 255, 237, 0.94);
  border: 1px solid #9ee8b8;
  box-shadow: 0 16px 34px rgba(23, 106, 61, 0.16);
  font-weight: 900;
  font-size: 13px;
  z-index: 2;
}
.live-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #22c55e;
  margin-right: 6px;
  box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.6);
  animation: pulse 1.8s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.55); }
  70% { box-shadow: 0 0 0 10px rgba(34, 197, 94, 0); }
  100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0); }
}

/* Sections */
.section { padding: 78px 0; }
.section-soft { background: var(--cream); }
.section-dark {
  background: linear-gradient(180deg, #16181f 0%, #0f1116 100%);
  color: #fff;
}
.section-title {
  max-width: 720px;
  margin: 0 auto 36px;
  text-align: center;
}
.section-title h2 {
  margin: 0 0 12px;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.18;
  font-weight: 950;
}
.section-title p {
  margin: 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.75;
}
.section-dark .section-title p { color: rgba(255, 255, 255, 0.68); }

.platforms {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.platform {
  min-height: 118px;
  border-radius: 22px;
  background: #fff;
  border: 1px solid #f0e6dc;
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: 0 12px 30px rgba(125, 82, 34, 0.06);
  transition: transform 180ms ease, box-shadow 180ms ease;
}
.platform:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 40px rgba(125, 82, 34, 0.12);
}
.platform b { font-size: 17px; }
.platform span { color: var(--muted); font-size: 13px; line-height: 1.5; }

/* Features */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.feature {
  border-radius: 24px;
  padding: 24px;
  background: #fff;
  border: 1px solid #eee4d8;
  min-height: 210px;
  box-shadow: 0 16px 42px rgba(126, 86, 43, 0.06);
  transition: transform 180ms ease;
}
.feature:hover { transform: translateY(-3px); }
.icon {
  width: 46px;
  height: 46px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  color: #fff;
  background: linear-gradient(135deg, #ff8a00, #ff5f00);
  font-size: 20px;
  margin-bottom: 16px;
}
.feature h3, .review h3, .doc-card h3, .price-card h3 {
  margin: 0 0 10px;
  font-size: 19px;
}
.feature p, .review p, .doc-card p, .faq p, .price-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
  font-size: 14px;
}

/* Stealth compare */
.stealth-compare {
  --split: 50%;
  position: relative;
  max-width: 1080px;
  margin: 0 auto;
  border-radius: 30px;
  padding: 12px;
  background: linear-gradient(135deg, #ffd15f, #ff8a2d 48%, #f05a28);
  border: 1px solid rgba(255, 122, 0, 0.35);
  box-shadow: 0 34px 90px rgba(180, 84, 20, 0.22);
  overflow: hidden;
}
.compare-stage {
  position: relative;
  aspect-ratio: 16 / 9;
  min-height: 380px;
  border-radius: 24px;
  overflow: hidden;
  background: #111;
  cursor: ew-resize;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
  outline: none;
}
.compare-stage:focus-visible {
  box-shadow: inset 0 0 0 3px rgba(255, 196, 0, 0.85);
}
.compare-stage.is-dragging {
  cursor: grabbing;
}
.compare-stage.is-dragging .split-handle::after {
  transform: translate(-50%, -50%) scale(1.08);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.28);
}

/* Meeting shell layers */
.compare-layer {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  pointer-events: none;
}
.compare-layer.base {
  z-index: 1;
}
.compare-layer.candidate {
  z-index: 4;
  clip-path: inset(0 calc(100% - var(--split)) 0 0);
  will-change: clip-path;
  transform: translateZ(0);
  backface-visibility: hidden;
}

/* Tencent Meeting / Feishu style shell */
.meeting-shell {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  background: linear-gradient(180deg, #1c1f26 0%, #12141a 100%);
  color: #e8eaed;
  font-family: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
}
.meeting-topbar {
  height: 44px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 14px;
  background: #2a2e36;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 12px;
  font-weight: 700;
}
.meeting-topbar .mt-title {
  color: #f3f4f6;
  font-weight: 800;
}
.meeting-topbar .mt-time {
  color: #9ca3af;
  margin-left: 4px;
}
.meeting-topbar .mt-live {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #86efac;
  font-size: 11px;
}
.meeting-topbar .mt-live::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.2);
}
.meeting-topbar .mt-win {
  display: flex;
  gap: 6px;
  margin-left: 10px;
}
.meeting-topbar .mt-win i {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: block;
}
.meeting-topbar .mt-win i:nth-child(1) { background: #ff5f57; }
.meeting-topbar .mt-win i:nth-child(2) { background: #febc2e; }
.meeting-topbar .mt-win i:nth-child(3) { background: #28c840; }

.meeting-grid {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  padding: 12px 12px 8px;
  min-height: 0;
}
.meeting-tile {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  background: #1a1f28;
  border: 1px solid rgba(255, 255, 255, 0.08);
}
.meeting-tile .tile-photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 20%;
  display: block;
  filter: saturate(1.05);
}
.meeting-tile .face {
  display: none; /* 改用真人照片 */
}
.meeting-tile .name-tag {
  position: absolute;
  left: 10px;
  bottom: 10px;
  padding: 5px 10px;
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.55);
  color: #fff;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.04em;
}
.meeting-tile .cam-badge {
  position: absolute;
  right: 10px;
  top: 10px;
  padding: 3px 8px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.45);
  color: #d1d5db;
  font-size: 10px;
  font-weight: 700;
}

.meeting-dock {
  height: 56px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: rgba(18, 20, 26, 0.96);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 0 12px 8px;
}
.dock-btn {
  width: 42px;
  height: 36px;
  border-radius: 10px;
  background: #3a3f4a;
  border: 1px solid rgba(255, 255, 255, 0.06);
  color: #e5e7eb;
  display: grid;
  place-items: center;
  font-size: 14px;
}
.dock-btn.danger {
  background: #ef4444;
  border-color: #ef4444;
  width: 52px;
}
.dock-btn.ai {
  width: auto;
  padding: 0 12px;
  background: linear-gradient(135deg, #ff8a00, #ff5f00);
  border: none;
  font-size: 11px;
  font-weight: 900;
  color: #fff;
}
.compare-layer.base .dock-btn.ai {
  display: none;
}

.compare-label {
  position: absolute;
  top: 54px;
  z-index: 7;
  padding: 8px 14px;
  border-radius: 10px;
  color: #fff;
  background: rgba(5, 5, 5, 0.88);
  font-size: clamp(14px, 2vw, 22px);
  font-weight: 900;
  letter-spacing: 0.04em;
  pointer-events: none;
}
.compare-label.left { left: 16px; }
.compare-label.right { right: 16px; }

.assistant-mask {
  position: absolute;
  left: 8%;
  top: 18%;
  width: min(40%, 320px);
  z-index: 5;
  border-radius: 16px;
  padding: 14px 16px;
  color: #2b2b30;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(16px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
  pointer-events: none;
}
.mask-title {
  color: #f97316;
  font-weight: 900;
  margin-bottom: 10px;
  font-size: 13px;
}
.mask-line {
  height: 10px;
  margin: 7px 0;
  border-radius: 999px;
  background: rgba(31, 41, 55, 0.12);
}
.mask-line.hot { width: 88%; background: rgba(255, 122, 0, 0.35); }
.mask-line.short { width: 58%; }

.split-handle {
  position: absolute;
  left: var(--split);
  top: 0;
  bottom: 0;
  z-index: 10;
  width: 4px;
  transform: translateX(-50%);
  background: #ffc400;
  box-shadow: 0 0 0 1px rgba(121, 76, 0, 0.12), 0 0 28px rgba(255, 196, 0, 0.5);
  pointer-events: none;
  will-change: left;
}
.split-handle::before {
  content: "";
  position: absolute;
  inset: 0 -18px;
}
.split-handle::after {
  content: "↔";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 52px;
  height: 52px;
  transform: translate(-50%, -50%);
  display: grid;
  place-items: center;
  border-radius: 999px;
  color: #191919;
  background: #ffc400;
  font-size: 20px;
  font-weight: 900;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.18);
  transition: transform 120ms ease, box-shadow 120ms ease;
}

.compare-note {
  margin: 0 auto 18px;
  text-align: center;
  color: #8a8177;
  font-weight: 700;
  font-size: 15px;
}
.compare-actions {
  display: flex;
  justify-content: center;
  gap: 14px;
  margin-top: 22px;
  flex-wrap: wrap;
}

/* Pricing */
.price-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  align-items: stretch;
}
.price-card {
  position: relative;
  border-radius: 26px;
  padding: 28px 24px;
  background: #fff;
  border: 1px solid #eee4d8;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.price-card.popular {
  border-color: #ffb46a;
  background: linear-gradient(180deg, #fff9f2, #fff);
  transform: translateY(-8px);
  box-shadow: 0 28px 60px rgba(255, 122, 0, 0.18);
}
.badge {
  display: inline-flex;
  align-self: flex-start;
  padding: 6px 10px;
  border-radius: 999px;
  background: #fff1dd;
  color: #9a5000;
  font-size: 12px;
  font-weight: 800;
}
.price {
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.price strong {
  font-size: 40px;
  font-weight: 950;
  letter-spacing: -0.03em;
}
.price s {
  color: #a1a1aa;
  font-size: 16px;
}
.price-meta {
  color: var(--orange-dark);
  font-weight: 800;
  font-size: 14px;
}
.price-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  flex: 1;
}
.price-list li {
  position: relative;
  padding-left: 22px;
  color: #3f3f46;
  font-size: 14px;
  line-height: 1.5;
}
.price-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--green);
  font-weight: 900;
}

/* Docs cards */
.doc-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.doc-card {
  border-radius: 22px;
  padding: 22px;
  background: #fff;
  border: 1px solid #eee4d8;
  box-shadow: 0 12px 30px rgba(125, 82, 34, 0.06);
  transition: transform 180ms ease, border-color 180ms ease;
}
.doc-card:hover {
  transform: translateY(-3px);
  border-color: #ffd0a0;
}
.doc-card .tag {
  display: inline-flex;
  margin-bottom: 12px;
  padding: 5px 10px;
  border-radius: 999px;
  background: #fff3e1;
  color: #9a5000;
  font-size: 12px;
  font-weight: 800;
}
.doc-card .more {
  display: inline-flex;
  margin-top: 14px;
  color: var(--orange-dark);
  font-weight: 800;
  font-size: 14px;
}

/* Reviews / social proof */
.reviews {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.review {
  border-radius: 22px;
  padding: 22px;
  background: #fff;
  border: 1px solid #eee4d8;
}
.score {
  color: var(--orange);
  font-weight: 900;
  margin-bottom: 10px;
  font-size: 14px;
}

.offer-marquee {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin: 0 auto 28px;
  max-width: 920px;
}
.offer-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid #ffe0bf;
  box-shadow: 0 8px 22px rgba(180, 84, 20, 0.08);
  font-weight: 800;
  font-size: 13px;
  color: #3f3f46;
}
.offer-chip b {
  color: var(--orange-dark);
}
.offer-chip .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, #22c55e, #16a34a);
  box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.15);
}

.chat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 22px;
}
.chat-phone {
  border-radius: 28px;
  background: linear-gradient(180deg, #f7f7f8, #ededf0);
  border: 1px solid #e4e4e7;
  box-shadow: 0 22px 50px rgba(40, 30, 20, 0.12);
  overflow: hidden;
  min-height: 420px;
  display: flex;
  flex-direction: column;
}
.chat-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 14px 12px;
  background: rgba(237, 237, 237, 0.96);
  border-bottom: 1px solid #e5e5e5;
}
.chat-avatar {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  font-weight: 900;
  font-size: 14px;
  color: #fff;
  flex-shrink: 0;
}
.chat-avatar.bytedance { background: linear-gradient(135deg, #3b82f6, #1d4ed8); }
.chat-avatar.ali { background: linear-gradient(135deg, #fb923c, #ea580c); }
.chat-avatar.tx { background: linear-gradient(135deg, #38bdf8, #0284c7); }
.chat-avatar.xhs { background: linear-gradient(135deg, #fb7185, #e11d48); }
.chat-avatar.mi { background: linear-gradient(135deg, #fbbf24, #f59e0b); color: #422006; }
.chat-avatar.meituan { background: linear-gradient(135deg, #facc15, #ca8a04); color: #422006; }
.chat-meta {
  min-width: 0;
}
.chat-meta strong {
  display: block;
  font-size: 14px;
  font-weight: 900;
  color: #18181b;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.chat-meta span {
  font-size: 11px;
  color: #71717a;
  font-weight: 700;
}
.chat-body {
  flex: 1;
  padding: 14px 12px 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  background:
    radial-gradient(circle at 10% 0%, rgba(255, 255, 255, 0.8), transparent 40%),
    #ededed;
}
.chat-time {
  text-align: center;
  font-size: 11px;
  color: #a1a1aa;
  font-weight: 700;
  margin: 2px 0 4px;
}
.bubble {
  max-width: 88%;
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 13.5px;
  line-height: 1.65;
  position: relative;
  word-break: break-word;
}
.bubble.them {
  align-self: flex-start;
  background: #fff;
  color: #18181b;
  border-top-left-radius: 2px;
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.04);
}
.bubble.me {
  align-self: flex-end;
  background: #95ec69;
  color: #14532d;
  border-top-right-radius: 2px;
}
.bubble .offer-tag {
  display: inline-flex;
  margin-top: 8px;
  padding: 4px 8px;
  border-radius: 999px;
  background: rgba(255, 122, 0, 0.12);
  color: #c2410c;
  font-size: 11px;
  font-weight: 900;
}
.bubble.me .offer-tag {
  background: rgba(21, 128, 61, 0.12);
  color: #166534;
}
.chat-note {
  text-align: center;
  color: #a1a1aa;
  font-size: 12px;
  font-weight: 700;
  margin: 4px 0 18px;
}

/* FAQ */
.faq-list {
  max-width: 860px;
  margin: 0 auto;
  display: grid;
  gap: 12px;
}
.faq {
  border-radius: 18px;
  padding: 20px;
  background: #fff;
  border: 1px solid #eee4d8;
}
.faq h3 {
  margin: 0 0 8px;
  font-size: 17px;
}
.faq a { color: var(--orange-dark); font-weight: 700; }

/* CTA */
.cta {
  padding: 72px 0;
  background:
    linear-gradient(135deg, rgba(35, 23, 14, 0.92), rgba(74, 35, 8, 0.9)),
    url("./pricing-bg.jpg") center/cover;
  color: #fff;
}
.cta-box {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.cta-box h2 {
  margin: 0 0 8px;
  font-size: clamp(28px, 4vw, 42px);
}
.cta-box p {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
}
.cta-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-left: auto;
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr 1fr;
  gap: 18px;
  align-items: stretch;
}
.contact-card {
  border-radius: 24px;
  padding: 22px;
  background: #fff;
  border: 1px solid #eee4d8;
  box-shadow: 0 16px 42px rgba(126, 86, 43, 0.06);
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.contact-card h3 {
  margin: 0;
  font-size: 18px;
}
.contact-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}
.contact-card .qr {
  width: 100%;
  max-width: 280px;
  margin: 4px auto 0;
  border-radius: 16px;
  border: 1px solid #f0e6dc;
  background: #fafafa;
}
.contact-meta {
  font-weight: 800;
  color: var(--ink);
  font-size: 14px;
}
.contact-email-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-top: 4px;
}
.contact-email-row a.email-link {
  color: var(--orange-dark);
  font-weight: 900;
  font-size: 16px;
  word-break: break-all;
}
.contact-email-row a.email-link:hover {
  text-decoration: underline;
}

/* Footer */
.footer {
  padding: 36px 0 28px;
  color: #777;
  font-size: 13px;
  background: #fff;
  border-top: 1px solid var(--line);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 24px;
  margin-bottom: 24px;
}
.footer h4 {
  margin: 0 0 12px;
  color: var(--ink);
  font-size: 14px;
}
.footer a {
  display: block;
  margin: 8px 0;
  color: #777;
}
.footer a:hover { color: var(--orange); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

/* Docs layout */
.docs-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 28px;
  padding: 36px 0 80px;
  align-items: start;
}
.docs-side {
  position: sticky;
  top: 90px;
  border-radius: 20px;
  background: #fff;
  border: 1px solid #eee4d8;
  padding: 18px;
  box-shadow: 0 12px 30px rgba(125, 82, 34, 0.05);
}
.docs-side a {
  display: block;
  padding: 10px 12px;
  border-radius: 12px;
  color: #4b4b52;
  font-weight: 700;
  font-size: 14px;
  margin-bottom: 4px;
}
.docs-side a:hover,
.docs-side a.active {
  background: #fff4e8;
  color: var(--orange-dark);
}
.docs-side .group {
  margin: 14px 0 6px;
  color: #a1a1aa;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.docs-main {
  border-radius: 24px;
  background: #fff;
  border: 1px solid #eee4d8;
  padding: 36px 40px;
  box-shadow: 0 16px 40px rgba(125, 82, 34, 0.06);
  min-height: 60vh;
}
.docs-main h1 {
  margin: 0 0 12px;
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1.2;
}
.docs-main h2 {
  margin: 32px 0 12px;
  font-size: 24px;
}
.docs-main h3 {
  margin: 22px 0 10px;
  font-size: 18px;
}
.docs-main p, .docs-main li {
  color: #44444c;
  line-height: 1.85;
  font-size: 15px;
}
.docs-main ul, .docs-main ol { padding-left: 1.2em; }
.docs-main code {
  background: #fff4e8;
  color: #9a5000;
  padding: 2px 6px;
  border-radius: 6px;
  font-size: 0.92em;
}
.docs-main .callout {
  margin: 18px 0;
  padding: 16px 18px;
  border-radius: 16px;
  background: #fff8ee;
  border: 1px solid #ffdcb4;
  color: #5c3a12;
}
.docs-main .callout.warn {
  background: #fff7f7;
  border-color: #ffd0d0;
  color: #7f1d1d;
}
.docs-main .steps {
  display: grid;
  gap: 12px;
  margin: 16px 0;
}
.docs-main .step {
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 12px;
  padding: 14px;
  border-radius: 16px;
  background: #fafafa;
  border: 1px solid #efefef;
}
.docs-main .step-num {
  width: 36px;
  height: 36px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, #ff8a00, #ff5f00);
  color: #fff;
  font-weight: 900;
}
.page-hero-mini {
  padding: 42px 0 8px;
  background: linear-gradient(180deg, #fffaf3, #fff);
}
.breadcrumbs {
  color: var(--muted);
  font-size: 13px;
  margin-bottom: 10px;
}
.breadcrumbs a { color: var(--orange-dark); font-weight: 700; }

.mobile-nav-toggle {
  display: none;
  min-height: 40px;
  padding: 0 12px;
  border-radius: 12px;
  border: 1px solid #ffd6ae;
  background: #fff7ef;
  color: #9a5c22;
  font-weight: 800;
}

/* ========== Tablet ========== */
@media (max-width: 980px) {
  :root {
    --container: min(100% - 32px, 1160px);
  }

  .nav {
    position: sticky;
  }
  .nav-inner {
    position: relative;
    min-height: 60px;
    flex-wrap: wrap;
    gap: 8px 12px;
    padding: 10px 0;
  }
  /* 手机/平板：横向可滑导航，不依赖汉堡菜单 */
  .mobile-nav-toggle {
    display: none !important;
  }
  .nav-links,
  .nav-links.open {
    display: flex !important;
    position: static;
    width: 100%;
    flex-direction: row;
    align-items: center;
    gap: 8px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding: 4px 0 6px;
    margin: 0;
    background: transparent;
    border: 0;
    box-shadow: none;
    border-radius: 0;
  }
  .nav-links::-webkit-scrollbar { display: none; }
  .nav-link {
    flex-shrink: 0;
    font-size: 13px;
    padding: 6px 4px;
  }
  .nav-links .btn {
    flex-shrink: 0;
    min-height: 36px;
    padding: 0 12px;
    font-size: 13px;
  }

  .hero {
    padding: 36px 0 40px;
  }
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .hero h1 {
    font-size: clamp(30px, 8.5vw, 44px);
    line-height: 1.15;
  }
  .lead {
    font-size: 16px;
    line-height: 1.75;
  }
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    margin-top: 22px;
  }
  .hero-actions .btn {
    width: 100%;
    min-height: 48px;
  }
  .trust-row {
    gap: 8px;
  }

  .section {
    padding: 52px 0;
  }
  .section-title {
    margin-bottom: 24px;
  }
  .section-title h2 {
    font-size: clamp(24px, 6.5vw, 34px);
  }
  .section-title p {
    font-size: 15px;
  }

  .platforms,
  .feature-grid,
  .price-grid,
  .doc-grid,
  .reviews,
  .chat-grid,
  .footer-grid,
  .contact-grid,
  .docs-layout {
    grid-template-columns: 1fr;
  }

  .price-card.popular {
    transform: none;
  }
  .price-grid {
    gap: 14px;
  }

  .chat-grid {
    gap: 14px;
  }
  .chat-phone {
    min-height: 360px;
  }

  .stealth-compare {
    border-radius: 22px;
    padding: 8px;
  }
  .compare-stage {
    min-height: 420px;
    aspect-ratio: 3 / 4;
    border-radius: 16px;
  }
  .compare-label {
    top: 50px;
    padding: 6px 10px;
    font-size: 13px;
    border-radius: 8px;
    max-width: 42%;
    line-height: 1.3;
  }
  .compare-label.left { left: 10px; }
  .compare-label.right { right: 10px; }
  .compare-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .compare-actions .btn {
    width: 100%;
  }
  .compare-note {
    font-size: 13px;
    padding: 0 4px;
  }

  .meeting-topbar {
    height: 40px;
    font-size: 11px;
    padding: 0 10px;
    gap: 6px;
  }
  .meeting-grid {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 8px;
  }
  /* 手机端隐身对比：上下双画面更清晰 */
  .meeting-tile {
    min-height: 120px;
  }
  .meeting-dock {
    height: 50px;
    gap: 6px;
    flex-wrap: wrap;
    padding: 6px 8px 8px;
  }
  .dock-btn {
    width: 36px;
    height: 32px;
    font-size: 12px;
  }
  .dock-btn.ai {
    font-size: 10px;
    padding: 0 8px;
  }
  .assistant-mask {
    left: 6%;
    top: 14%;
    width: min(78%, 280px);
    padding: 12px;
    font-size: 12px;
  }
  .mask-title { font-size: 12px; }

  .ad-box {
    border-radius: 16px;
  }
  .ad-video {
    min-height: 180px;
  }

  .cta {
    padding: 48px 0;
  }
  .cta-box {
    flex-direction: column;
    align-items: stretch;
    gap: 16px;
  }
  .cta-actions {
    margin-left: 0;
    width: 100%;
  }
  .cta-actions .btn {
    flex: 1;
    min-width: 0;
  }
  .cta-box h2 {
    font-size: clamp(24px, 6vw, 32px);
  }

  .footer-grid {
    gap: 20px;
  }
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .docs-side {
    position: static;
  }
  .docs-main {
    padding: 22px 16px;
  }
  .docs-layout {
    gap: 16px;
    padding: 20px 0 56px;
  }

  .contact-grid {
    gap: 14px;
  }
  .contact-card .qr {
    max-width: 220px;
  }

  .offer-marquee {
    gap: 8px;
    justify-content: flex-start;
  }
  .offer-chip {
    font-size: 12px;
    padding: 8px 12px;
  }
}

/* ========== Phone ========== */
@media (max-width: 560px) {
  :root {
    --container: min(100% - 24px, 1160px);
  }

  .nav-inner {
    padding: 10px 0 6px;
  }
  .brand {
    font-size: 17px;
    gap: 8px;
  }
  .brand img {
    width: 34px;
    height: 34px;
  }

  .hero {
    padding: 28px 0 32px;
  }
  .eyebrow {
    font-size: 12px;
    padding: 6px 10px;
  }
  .hero h1 {
    margin: 14px 0 12px;
    font-size: clamp(28px, 8vw, 36px);
  }
  .lead {
    font-size: 15px;
  }
  .btn-lg {
    min-height: 48px;
    font-size: 15px;
    padding: 0 18px;
  }
  .float-badge {
    right: 12px;
    bottom: 12px;
    font-size: 11px;
    padding: 8px 10px;
  }

  .section {
    padding: 40px 0;
  }
  .section-title h2 {
    font-size: clamp(22px, 6.5vw, 28px);
  }
  .section-title p {
    font-size: 14px;
  }

  .platform {
    min-height: 96px;
    padding: 16px;
  }
  .feature {
    min-height: 0;
    padding: 18px;
  }
  .feature h3 {
    font-size: 17px;
  }

  .price strong {
    font-size: 34px;
  }
  .price-card {
    padding: 22px 18px;
  }

  .compare-stage {
    min-height: 460px;
    aspect-ratio: 9 / 14;
  }
  .meeting-grid {
    grid-template-columns: 1fr;
  }
  .meeting-tile {
    min-height: 132px;
  }
  .meeting-tile .tile-photo {
    object-position: center 18%;
  }
  .assistant-mask {
    width: 84%;
    left: 8%;
    top: 12%;
    max-height: 42%;
    overflow: hidden;
  }
  .split-handle::after {
    width: 44px;
    height: 44px;
    font-size: 18px;
  }

  .chat-phone {
    min-height: 340px;
    border-radius: 22px;
  }
  .bubble {
    font-size: 13px;
    max-width: 92%;
  }

  .faq {
    padding: 16px;
  }
  .faq h3 {
    font-size: 16px;
  }

  .cta {
    padding: 40px 0;
  }
  .cta-actions {
    flex-direction: column;
  }
  .cta-actions .btn {
    width: 100%;
  }

  .docs-main h1 {
    font-size: 26px;
  }
  .docs-main h2 {
    font-size: 20px;
  }

  .contact-email-row {
    flex-direction: column;
    align-items: flex-start;
  }
  .contact-email-row .btn {
    width: 100%;
  }

  .trust-row {
    justify-content: flex-start;
  }

  /* 避免横向撑破 */
  .stealth-compare,
  .ad-box,
  .media-card,
  .product-card {
    max-width: 100%;
  }
}

/* 超窄屏 */
@media (max-width: 380px) {
  .hero h1 {
    font-size: 26px;
  }
  .nav-links .btn-ghost {
    display: none;
  }
  .compare-stage {
    min-height: 420px;
  }
}