:root {
  --primary: #FF8C42;
  --primary-dark: #E86A2E;
  --primary-light: #FFB07A;
  --secondary: #2EC4B6;
  --secondary-dark: #1FA99C;
  --secondary-light: #5DD9CE;
  --accent: #F7B801;
  --dark: #1A1A2E;
  --dark-2: #2D2D44;
  --gray: #6B7280;
  --light: #FFF9F0;
  --white: #FFFFFF;
  --danger: #C0392B;
  --shadow: 0 10px 30px rgba(26, 26, 46, 0.08);
  --shadow-md: 0 8px 24px rgba(26, 26, 46, 0.06);
  --shadow-lg: 0 20px 50px rgba(26, 26, 46, 0.12);
  --shadow-xl: 0 32px 64px rgba(26, 26, 46, 0.16);
  --radius: 16px;
  --radius-sm: 10px;
  --radius-xs: 6px;
  --transition: 0.3s ease;
  --gradient-brand: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  --gradient-teal: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-dark) 100%);
  --gradient-warm: linear-gradient(135deg, var(--accent) 0%, var(--primary) 100%);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
  color: var(--dark);
  line-height: 1.7;
  background: var(--white);
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 90px 0;
  position: relative;
}

.section::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background: linear-gradient(90deg, transparent, rgba(255, 140, 66, 0.25), rgba(46, 196, 182, 0.25), transparent);
  border-radius: 2px;
  opacity: 0.6;
}

.section-alt {
  background: linear-gradient(180deg, #FFFAF5 0%, #FFF5EC 100%);
  position: relative;
}

.section-alt::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, transparent, rgba(255, 140, 66, 0.15), rgba(46, 196, 182, 0.15), transparent);
  pointer-events: none;
}

.section-alt::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(255, 140, 66, 0.025) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
}

.section-alt .container {
  position: relative;
  z-index: 1;
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 60px;
}

.section-tag {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 14px;
  padding: 6px 16px;
  background: linear-gradient(135deg, rgba(255, 140, 66, 0.08), rgba(46, 196, 182, 0.05));
  border-radius: 50px;
  border: 1px solid rgba(255, 140, 66, 0.12);
}

.section-header h2 {
  font-size: 2.35rem;
  font-weight: 800;
  margin-bottom: 16px;
  line-height: 1.3;
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark-2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
  display: inline-block;
}

.section-header h2::after {
  content: "";
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 50px;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  border-radius: 2px;
  opacity: 0.5;
}

.section-accent {
  color: var(--primary);
  font-weight: 400;
  font-size: 1.2rem;
  vertical-align: middle;
}

.section-desc {
  font-size: 1.1rem;
  color: var(--gray);
  line-height: 1.8;
}

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: transparent;
  transition: background var(--transition), box-shadow var(--transition);
  padding: 16px 0;
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 4px 20px rgba(26, 26, 46, 0.06);
  padding: 12px 0;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--dark);
}

.logo-img {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 4px 12px rgba(247, 184, 1, 0.3);
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}

.logo-link:hover .logo-img {
  transform: scale(1.08);
  box-shadow: 0 6px 20px rgba(247, 184, 1, 0.45);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.main-nav a {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--dark-2);
  transition: color var(--transition);
  position: relative;
}

.main-nav a:hover {
  color: var(--primary);
}

.main-nav a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width var(--transition);
}

.main-nav a:not(.nav-cta):hover::after {
  width: 100%;
}

.nav-cta {
  padding: 10px 22px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: var(--white) !important;
  border-radius: 50px;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 4px 14px rgba(255, 140, 66, 0.3);
}

.nav-cta:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 140, 66, 0.4);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 1100;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--dark);
  transition: transform var(--transition), opacity var(--transition);
}

.menu-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 140px 0 100px;
  background: linear-gradient(160deg, #FFF8EE 0%, #FFE8D4 25%, #FFDDC8 50%, #FFE0D0 75%, #FFF5EC 100%);
  overflow: hidden;
}

/* Decorative dots pattern for kid appeal */
.hero::after {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image: radial-gradient(circle, rgba(247, 184, 1, 0.08) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
  opacity: 0.4;
  z-index: 0;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.5;
  animation: float 8s ease-in-out infinite;
}

.orb-1 {
  width: 400px;
  height: 400px;
  background: var(--primary);
  top: -100px;
  right: -100px;
  animation-delay: 0s;
}

.orb-2 {
  width: 300px;
  height: 300px;
  background: var(--secondary);
  bottom: 10%;
  left: -80px;
  animation-delay: 2s;
}

.orb-3 {
  width: 200px;
  height: 200px;
  background: var(--accent);
  top: 40%;
  right: 20%;
  animation-delay: 4s;
  opacity: 0.3;
}

@keyframes float {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-20px) scale(1.05); }
}

.hero-content {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 50px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.tag {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary-dark);
  background: rgba(255, 140, 66, 0.12);
  padding: 8px 18px;
  border-radius: 50px;
  margin-bottom: 20px;
}

.hero h1 {
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 24px;
  color: var(--dark);
}

.hero h1 strong {
  color: var(--primary);
  position: relative;
  display: inline-block;
}

.hero h1 strong::after {
  content: "";
  position: absolute;
  left: -4px;
  right: -4px;
  bottom: 8px;
  height: 12px;
  background: rgba(247, 184, 1, 0.35);
  z-index: -1;
  border-radius: 4px;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--dark-2);
  margin-bottom: 32px;
  max-width: 560px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  transition: all var(--transition);
  border: none;
  cursor: pointer;
}

.btn-primary {
  background: var(--primary);
  color: var(--white);
  box-shadow: 0 8px 20px rgba(255, 140, 66, 0.35);
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(255, 140, 66, 0.4);
}

.btn-secondary {
  background: var(--white);
  color: var(--dark);
  box-shadow: 0 4px 14px rgba(26, 26, 46, 0.08);
  border: 1px solid rgba(26, 26, 46, 0.08);
}

.btn-secondary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(26, 26, 46, 0.12);
}

.btn-large {
  padding: 16px 36px;
  font-size: 1.1rem;
}

/* Hero Age Badges */
.hero-age-badges {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.age-badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  border-radius: 50px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.age-6-8 {
  background: linear-gradient(135deg, rgba(46, 196, 182, 0.12), rgba(46, 196, 182, 0.04));
  color: #1FA99C;
  border: 1px solid rgba(46, 196, 182, 0.25);
}

.age-9-12 {
  background: linear-gradient(135deg, rgba(255, 140, 66, 0.12), rgba(255, 140, 66, 0.04));
  color: #E86A2E;
  border: 1px solid rgba(255, 140, 66, 0.25);
}

/* Hero Trust Strip */
.hero-trust-strip {
  list-style: none;
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.hero-trust-strip li {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--dark-2);
  padding: 8px 14px;
  background: rgba(255, 255, 255, 0.6);
  border-radius: 10px;
  transition: background 0.3s ease;
}

.hero-trust-strip li:hover {
  background: rgba(255, 255, 255, 0.9);
}

.trust-icon {
  font-size: 1rem;
}

/* Hero inline link */
.hero-inline-link {
  color: var(--primary);
  font-weight: 700;
  text-decoration: underline;
  text-decoration-color: rgba(255, 140, 66, 0.3);
  text-underline-offset: 3px;
  transition: text-decoration-color 0.3s ease;
}

.hero-inline-link:hover {
  text-decoration-color: var(--primary);
}

/* Hero Visual — 全新表情展示区 */
.hero-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

/* 中央吉祥物 */
.hero-mascot-main {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-mascot-img {
  width: 200px;
  height: 200px;
  object-fit: contain;
  filter: drop-shadow(0 20px 44px rgba(247, 184, 1, 0.35));
  animation: mascotGentleFloat 3.8s ease-in-out infinite;
  position: relative;
  z-index: 2;
}

.hero-mascot-glow {
  position: absolute;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(247, 184, 1, 0.2) 0%, rgba(255, 140, 66, 0.08) 40%, transparent 70%);
  animation: glowPulse 2.5s ease-in-out infinite;
  z-index: 1;
}

@keyframes mascotGentleFloat {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-8px) scale(1.03); }
}

@keyframes glowPulse {
  0%, 100% { transform: scale(0.9); opacity: 0.6; }
  50% { transform: scale(1.15); opacity: 1; }
}

/* 三表情横向展示 */
.hero-emote-showcase {
  display: flex;
  gap: 20px;
  justify-content: center;
  width: 100%;
}

.hero-emote-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  flex: 1;
  min-width: 0;
  max-width: 150px;
  padding: 16px 12px 14px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(8px);
  box-shadow: 0 8px 24px rgba(26, 26, 46, 0.06);
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}

.hero-emote-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 36px rgba(26, 26, 46, 0.12);
}

.hec-success:hover { box-shadow: 0 16px 36px rgba(46, 196, 182, 0.18); }
.hec-retry:hover   { box-shadow: 0 16px 36px rgba(255, 140, 66, 0.18); }
.hec-cheer:hover   { box-shadow: 0 16px 36px rgba(247, 184, 1, 0.18); }

/* 表情气泡圆形容器 */
.hec-bubble {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

.hec-success .hec-bubble { background: linear-gradient(135deg, rgba(46, 196, 182, 0.12), rgba(46, 196, 182, 0.04)); }
.hec-retry   .hec-bubble { background: linear-gradient(135deg, rgba(255, 140, 66, 0.12), rgba(255, 140, 66, 0.04)); }
.hec-cheer   .hec-bubble { background: linear-gradient(135deg, rgba(247, 184, 1, 0.12), rgba(247, 184, 1, 0.04)); }

.hec-img {
  width: 64px;
  height: 64px;
  object-fit: contain;
}

/* 三种不同的弹跳动画 */
.hec-success .hec-img {
  animation: emoteBounceSuccess 3.2s ease-in-out infinite;
}

.hec-retry .hec-img {
  animation: emoteBounceRetry 3.4s ease-in-out infinite;
  animation-delay: 0.5s;
}

.hec-cheer .hec-img {
  animation: emoteBounceCheer 3.6s ease-in-out infinite;
  animation-delay: 1s;
}

@keyframes emoteBounceSuccess {
  0%, 100% { transform: translateY(0) scale(1); }
  20% { transform: translateY(-6px) scale(1.1); }
  40% { transform: translateY(0) scale(1); }
  60% { transform: translateY(-3px) scale(1.05); }
}

@keyframes emoteBounceRetry {
  0%, 100% { transform: translateX(0) rotate(0deg) scale(1); }
  25% { transform: translateX(-5px) rotate(-5deg) scale(0.96); }
  50% { transform: translateX(0) rotate(0deg) scale(1); }
  75% { transform: translateX(4px) rotate(3deg) scale(1.03); }
}

@keyframes emoteBounceCheer {
  0%, 100% { transform: translateY(0) scale(1); }
  25% { transform: translateY(-8px) scale(1.12); }
  50% { transform: translateY(0) scale(0.95); }
  75% { transform: translateY(-4px) scale(1.06); }
}

/* 表情卡片信息区 */
.hec-info {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.hec-icon {
  font-size: 0.9rem;
  font-weight: 700;
}

.hec-success .hec-icon { color: #1FA99C; }
.hec-retry   .hec-icon { color: #E86A2E; }
.hec-cheer   .hec-icon { color: #D99A00; }

.hec-label {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--dark);
}

.hec-info small {
  font-size: 0.68rem;
  color: var(--gray);
  text-align: center;
  line-height: 1.3;
}

.phone-mockup {
  position: absolute;
  right: 0;
  bottom: 40px;
  width: 220px;
  height: 420px;
  background: var(--dark);
  border-radius: 30px;
  padding: 12px;
  box-shadow: var(--shadow-lg);
  transform: rotate(8deg);
  z-index: 1;
}

.phone-screen {
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, #2EC4B6 0%, #1A1A2E 100%);
  border-radius: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  text-align: center;
  color: var(--white);
}

.screen-icon {
  font-size: 3rem;
  display: block;
  margin-bottom: 16px;
}

.screen-title {
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 10px;
}

.screen-hint {
  font-size: 0.85rem;
  opacity: 0.85;
  line-height: 1.5;
}

/* About */
.about-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.about-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 40px 30px;
  box-shadow: 0 8px 28px rgba(26, 26, 46, 0.05);
  transition: transform 0.35s ease, box-shadow 0.35s ease;
  text-align: center;
  border: 1px solid rgba(26, 26, 46, 0.04);
  position: relative;
  overflow: hidden;
}

.about-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.about-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 16px 40px rgba(26, 26, 46, 0.1);
  border-color: rgba(255, 140, 66, 0.15);
}

.about-card:hover::before {
  transform: scaleX(1);
}

.about-icon {
  font-size: 2.5rem;
  margin-bottom: 20px;
  display: inline-block;
  transition: transform 0.3s ease;
}

.about-card:hover .about-icon {
  transform: scale(1.15);
}

.about-card h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
  color: var(--dark);
}

.about-card p {
  color: var(--gray);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* Experience */
.experience-timeline {
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-width: 820px;
  margin: 0 auto;
}

.exp-item {
  display: flex;
  gap: 24px;
  background: var(--white);
  padding: 28px 32px;
  border-radius: var(--radius);
  box-shadow: 0 4px 16px rgba(26, 26, 46, 0.04);
  transition: transform 0.35s ease, box-shadow 0.35s ease;
  align-items: flex-start;
  border: 1px solid rgba(26, 26, 46, 0.04);
}

.exp-item:hover {
  transform: translateX(8px);
  box-shadow: 0 12px 32px rgba(26, 26, 46, 0.08);
}

.exp-num {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
  min-width: 48px;
  opacity: 0.2;
}

.exp-content h3 {
  font-size: 1.3rem;
  margin-bottom: 8px;
  color: var(--dark);
}

.exp-content p {
  color: var(--gray);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* Experience age row */
.exp-age-row {
  display: flex;
  gap: 6px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}

.mini-age {
  display: inline-flex;
  padding: 2px 10px;
  border-radius: 50px;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.3px;
}

/* Features */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.feature-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: 0 6px 20px rgba(26, 26, 46, 0.04);
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
  border: 1px solid rgba(26, 26, 46, 0.04);
  position: relative;
}

.feature-card::after {
  content: "";
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--secondary), var(--primary));
  border-radius: 0 0 var(--radius) var(--radius);
  opacity: 0;
  transition: opacity 0.35s ease;
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 36px rgba(26, 26, 46, 0.1);
  border-color: rgba(255, 140, 66, 0.12);
}

.feature-card:hover::after {
  opacity: 1;
}

.feature-icon {
  font-size: 2.2rem;
  margin-bottom: 18px;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--light);
  border-radius: 14px;
}

.feature-card h3 {
  font-size: 1.2rem;
  margin-bottom: 10px;
  color: var(--dark);
}

.feature-card p {
  color: var(--gray);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* Scenarios */
.scenarios-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.scenario-card {
  display: flex;
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 6px 20px rgba(26, 26, 46, 0.04);
  transition: transform 0.35s ease, box-shadow 0.35s ease;
  border: 1px solid rgba(26, 26, 46, 0.04);
}

.scenario-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(26, 26, 46, 0.1);
}

.scenario-img {
  flex: 0 0 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-dark) 100%);
  font-size: 4rem;
}

.scenario-card:nth-child(2) .scenario-img { background: linear-gradient(135deg, #2EC4B6 0%, #1A5F55 100%); }
.scenario-card:nth-child(3) .scenario-img { background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%); }
.scenario-card:nth-child(4) .scenario-img { background: linear-gradient(135deg, var(--accent) 0%, #D99A00 100%); }

.scenario-body {
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.scenario-body h3 {
  font-size: 1.25rem;
  margin-bottom: 10px;
  color: var(--dark);
}

.scenario-body p {
  color: var(--gray);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 14px;
}

.scenario-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--primary);
  background: rgba(255, 140, 66, 0.1);
  padding: 6px 12px;
  border-radius: 50px;
  align-self: flex-start;
}

/* Scenario age tags */
.scenario-meta-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 4px;
}

.scenario-age-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 50px;
  letter-spacing: 0.3px;
}

.age-6-8-tag {
  background: rgba(46, 196, 182, 0.1);
  color: #1FA99C;
}

.age-9-12-tag {
  background: rgba(255, 140, 66, 0.1);
  color: #E86A2E;
}

.age-all-tag {
  background: rgba(116, 116, 128, 0.08);
  color: #636366;
}

/* Forwho — 双角色分层 */
.forwho-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  max-width: 1050px;
  margin: 0 auto;
}

.forwho-card {
  background: var(--white);
  border-radius: 24px;
  padding: 40px 34px;
  box-shadow: 0 8px 32px rgba(26, 26, 46, 0.05);
  border: 1px solid rgba(26, 26, 46, 0.05);
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}

.forwho-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 44px rgba(26, 26, 46, 0.1);
}

.forwho-kid {
  background: linear-gradient(180deg, #FFFDF7 0%, #FFFAF0 100%);
  border-color: rgba(247, 184, 1, 0.15);
}

.forwho-kid:hover {
  box-shadow: 0 16px 44px rgba(247, 184, 1, 0.12);
}

.forwho-parent {
  background: linear-gradient(180deg, #FAFFFE 0%, #F5FFFC 100%);
  border-color: rgba(46, 196, 182, 0.15);
}

.forwho-parent:hover {
  box-shadow: 0 16px 44px rgba(46, 196, 182, 0.12);
}

.fw-icon-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 88px;
  height: 88px;
  border-radius: 50%;
  margin: 0 auto 22px;
  background: linear-gradient(135deg, rgba(247, 184, 1, 0.12), rgba(255, 140, 66, 0.06));
}

.fw-icon-parent {
  background: linear-gradient(135deg, rgba(46, 196, 182, 0.12), rgba(46, 196, 182, 0.04));
}

.fw-mascot-img {
  width: 56px;
  height: 56px;
  object-fit: contain;
}

.fw-parent-icon {
  font-size: 2.4rem;
}

.forwho-card h3 {
  text-align: center;
  font-size: 1.35rem;
  font-weight: 800;
  margin-bottom: 22px;
  color: var(--dark);
}

.fw-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 24px;
}

.fw-list li {
  font-size: 0.9rem;
  color: var(--dark-2);
  line-height: 1.6;
  padding-left: 18px;
  position: relative;
}

.fw-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
}

.forwho-parent .fw-list li::before {
  background: var(--secondary);
}

.fw-list li strong {
  display: block;
  font-size: 0.95rem;
  color: var(--dark);
  margin-bottom: 2px;
}

/* Emote mini row in kid card */
.fw-emotes-row {
  display: flex;
  gap: 12px;
  justify-content: center;
  padding-top: 8px;
  border-top: 1px solid rgba(26, 26, 46, 0.06);
}

.fw-emote-mini {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.fw-emote-mini img {
  width: 44px;
  height: 44px;
  object-fit: contain;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.6);
  padding: 4px;
  animation: fwEmoteFloat 2.8s ease-in-out infinite;
}

.fw-emote-mini:nth-child(2) img { animation-delay: 0.5s; }
.fw-emote-mini:nth-child(3) img { animation-delay: 1s; }

@keyframes fwEmoteFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}

.fw-emote-mini span {
  font-size: 0.7rem;
  color: var(--gray);
  font-weight: 500;
}

/* Trust badges in parent card */
.fw-trust-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 8px;
  border-top: 1px solid rgba(26, 26, 46, 0.06);
}

.fw-trust-badges span {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--secondary-dark);
  background: rgba(46, 196, 182, 0.08);
  padding: 5px 10px;
  border-radius: 50px;
}

/* Benefits — Dual Layout */
.benefits-dual {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  max-width: 1050px;
  margin: 0 auto;
}

.benefits-group {
  background: var(--white);
  border-radius: 20px;
  padding: 32px 28px;
  box-shadow: 0 6px 24px rgba(26, 26, 46, 0.04);
  border: 1px solid rgba(26, 26, 46, 0.05);
}

.benefits-group-biz {
  background: linear-gradient(180deg, #FFFCF7 0%, var(--white) 100%);
  border-left: 4px solid var(--primary);
}

.benefits-group-parent {
  background: linear-gradient(180deg, #FAFFFE 0%, var(--white) 100%);
  border-left: 4px solid var(--secondary);
}

.benefits-group-title {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.benefits-group-title span {
  font-size: 1.6rem;
}

.benefits-group .benefits-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 100%;
}

.benefits-group .benefit-item {
  background: rgba(255, 255, 255, 0.6);
  border-radius: 14px;
  padding: 22px 20px;
  border-left: none;
  border: 1px solid rgba(26, 26, 46, 0.04);
}

.benefits-group .benefit-item:hover {
  transform: translateY(-2px) translateX(2px);
  box-shadow: 0 8px 24px rgba(26, 26, 46, 0.06);
}

.benefits-group .benefit-number {
  font-size: 2rem;
  min-width: 36px;
}

.benefits-group .benefit-text h3 {
  font-size: 1.05rem;
  margin-bottom: 4px;
}

.benefits-group .benefit-text p {
  font-size: 0.88rem;
}

.original-benefits-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  max-width: 1000px;
  margin: 0 auto;
}

.benefit-text h3 {
  font-size: 1.2rem;
  margin-bottom: 8px;
  color: var(--dark);
}

.benefit-text p {
  color: var(--gray);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* Process */
.process-steps {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 20px;
}

.process-step {
  background: var(--white);
  padding: 32px 22px;
  border-radius: var(--radius);
  text-align: center;
  box-shadow: 0 6px 20px rgba(26, 26, 46, 0.04);
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
  position: relative;
  border: 1px solid rgba(26, 26, 46, 0.04);
  overflow: hidden;
}

.process-step::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--secondary), var(--primary), var(--accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.process-step:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 36px rgba(26, 26, 46, 0.1);
  border-color: rgba(255, 140, 66, 0.12);
}

.process-step:hover::before {
  transform: scaleX(1);
}

.process-step:nth-child(1) .step-dot { background: var(--secondary); }
.process-step:nth-child(2) .step-dot { background: #9B59B6; }
.process-step:nth-child(3) .step-dot { background: var(--primary); }
.process-step:nth-child(4) .step-dot { background: var(--accent); color: var(--dark); }
.process-step:nth-child(5) .step-dot { background: #3498DB; }
.process-step:nth-child(6) .step-dot { background: var(--secondary-dark); }

.step-dot {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--primary);
  color: var(--white);
  border-radius: 50%;
  font-weight: 700;
  margin-bottom: 16px;
  font-size: 1rem;
  position: relative;
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}

.process-step:hover .step-dot {
  transform: scale(1.15);
  box-shadow: 0 4px 16px rgba(255, 140, 66, 0.35);
}

.process-step h3 {
  font-size: 1.1rem;
  margin-bottom: 10px;
  color: var(--dark);
}

.process-step p {
  color: var(--gray);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* CTA */
/* CTA Dual Buttons */
.cta-dual-btns {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.btn-cta-primary {
  background: var(--white);
  color: var(--primary);
  font-weight: 700;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.btn-cta-primary:hover {
  background: #fff;
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
}

.btn-cta-secondary {
  background: rgba(255, 255, 255, 0.18);
  color: var(--white);
  font-weight: 600;
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-cta-secondary:hover {
  background: rgba(255, 255, 255, 0.28);
  transform: translateY(-2px);
}

/* FAQ Section */
.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  max-width: 960px;
  margin: 0 auto;
}

.faq-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px 28px;
  box-shadow: 0 4px 16px rgba(26, 26, 46, 0.04);
  border: 1px solid rgba(26, 26, 46, 0.04);
  transition: transform 0.35s ease, box-shadow 0.35s ease;
  cursor: default;
}

.faq-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(26, 26, 46, 0.08);
  border-color: rgba(46, 196, 182, 0.15);
}

.faq-card:nth-child(1) { border-left: 3px solid var(--secondary); }
.faq-card:nth-child(2) { border-left: 3px solid var(--primary); }
.faq-card:nth-child(3) { border-left: 3px solid var(--accent); }
.faq-card:nth-child(4) { border-left: 3px solid #9B59B6; }
.faq-card:nth-child(5) { border-left: 3px solid #3498DB; }
.faq-card:nth-child(6) { border-left: 3px solid var(--secondary-dark); }

.faq-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 10px;
  line-height: 1.5;
}

.faq-card p {
  font-size: 0.9rem;
  color: var(--gray);
  line-height: 1.7;
}

/* Philosophy age tags */
.kk-tags-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
}

.kk-age-tag {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: 50px;
  letter-spacing: 0.3px;
}

.kk-age-all {
  background: rgba(46, 196, 182, 0.1);
  color: var(--secondary-dark);
}

.kk-age-6 {
  background: rgba(46, 196, 182, 0.12);
  color: #1FA99C;
}

.kk-age-9 {
  background: rgba(255, 140, 66, 0.12);
  color: #E86A2E;
}

/* Footer links grid update — 3 columns instead of 4 */

.cta {
  padding: 80px 0 100px;
}

.cta-box {
  background: linear-gradient(160deg, #FF8C42 0%, #F47920 30%, #E86A2E 70%, #D4551A 100%);
  border-radius: 28px;
  padding: 64px 60px;
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 40px;
  align-items: center;
  color: var(--white);
  box-shadow: 0 30px 70px rgba(232, 106, 46, 0.35);
  overflow: hidden;
  position: relative;
}

.cta-box::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -15%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 60%);
  border-radius: 50%;
  pointer-events: none;
}

.cta-content {
  position: relative;
  z-index: 1;
}

.cta-content h2 {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 18px;
  line-height: 1.3;
}

.cta-content p {
  font-size: 1.05rem;
  opacity: 0.95;
  margin-bottom: 28px;
  max-width: 540px;
  line-height: 1.8;
}

.contact-info {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 32px;
}

.contact-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  padding: 10px 18px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 50px;
  transition: background var(--transition);
}

.contact-link:hover {
  background: rgba(255, 255, 255, 0.25);
}

.cta-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  z-index: 1;
}

.cta-mascot {
  width: 240px;
  height: 240px;
  object-fit: contain;
  filter: drop-shadow(0 20px 40px rgba(0,0,0,0.15));
  animation: mascotBounce 4s ease-in-out infinite;
}

/* Footer */
.site-footer {
  background: linear-gradient(180deg, #1A1A2E 0%, #151528 100%);
  color: var(--white);
  padding: 70px 0 30px;
  border-top: 3px solid rgba(255, 140, 66, 0.15);
}

.footer-main {
  display: grid;
  grid-template-columns: 1.2fr 1.8fr;
  gap: 60px;
  margin-bottom: 50px;
}

.footer-brand img {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  margin-bottom: 18px;
  object-fit: cover;
}

.footer-brand p {
  opacity: 0.75;
  line-height: 1.8;
  max-width: 280px;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.link-group h4 {
  font-size: 1rem;
  margin-bottom: 18px;
  color: var(--white);
}

.link-group a {
  display: block;
  color: rgba(255, 255, 255, 0.65);
  margin-bottom: 12px;
  font-size: 0.95rem;
  transition: color var(--transition);
}

.link-group a:hover {
  color: var(--primary);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 24px;
  text-align: center;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.9rem;
}

/* Float CTA */
.float-cta {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 999;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: var(--white);
  padding: 14px 24px;
  border-radius: 50px;
  font-weight: 600;
  box-shadow: 0 8px 24px rgba(255, 140, 66, 0.4);
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  display: none;
  animation: floatCtaPulse 2.2s ease-in-out infinite;
}

@keyframes floatCtaPulse {
  0%, 100% { box-shadow: 0 8px 24px rgba(255, 140, 66, 0.4); }
  50% { box-shadow: 0 12px 32px rgba(255, 140, 66, 0.55); }
}

.float-cta:hover {
  background: var(--primary-dark);
  transform: translateY(-3px);
  box-shadow: 0 14px 36px rgba(255, 140, 66, 0.5);
  animation: none;
}

/* Reading Progress Bar */
.progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--secondary), var(--primary), var(--accent));
  z-index: 1001;
  width: 0%;
  transition: width 0.15s linear;
  border-radius: 0 2px 2px 0;
  box-shadow: 0 1px 4px rgba(255, 140, 66, 0.3);
}

/* Nav Active State */
.main-nav a.nav-active:not(.nav-cta) {
  color: var(--primary);
  font-weight: 700;
}

.main-nav a.nav-active:not(.nav-cta)::after {
  width: 100%;
}

/* About Card Age Mini Tags */
.about-age-row {
  display: flex;
  gap: 6px;
  justify-content: center;
  margin-top: 14px;
  flex-wrap: wrap;
}

.about-age-mini {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 50px;
  letter-spacing: 0.3px;
}

.age-6-8-side {
  background: rgba(46, 196, 182, 0.12);
  color: #1FA99C;
}

.age-9-12-side {
  background: rgba(255, 140, 66, 0.12);
  color: #E86A2E;
}

/* Feature Scene Tag */
.feature-scene-tag {
  display: inline-block;
  margin-top: 14px;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--secondary-dark);
  background: rgba(46, 196, 182, 0.08);
  padding: 4px 12px;
  border-radius: 50px;
  letter-spacing: 0.3px;
}

/* FAQ Accordion */
.faq-accordion {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  text-align: left;
  color: inherit;
}

.faq-trigger h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--dark);
  line-height: 1.5;
  flex: 1;
}

.faq-chevron {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  position: relative;
  transition: transform 0.35s ease;
}

.faq-chevron::before,
.faq-chevron::after {
  content: "";
  position: absolute;
  background: var(--primary);
  border-radius: 2px;
  transition: all 0.35s ease;
}

.faq-chevron::before {
  top: 11px;
  left: 4px;
  width: 16px;
  height: 2px;
}

.faq-chevron::after {
  top: 4px;
  left: 11px;
  width: 2px;
  height: 16px;
}

.faq-trigger[aria-expanded="true"] .faq-chevron {
  transform: rotate(135deg);
}

.faq-panel {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.4s ease, padding-top 0.4s ease;
}

.faq-card.open .faq-panel {
  max-height: 300px;
  padding-top: 14px;
}

.faq-panel p {
  font-size: 0.9rem;
  color: var(--gray);
  line-height: 1.7;
}

/* Comparison Bar Chart */
.kk-compare-bar-visual {
  padding: 24px 28px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.bar-row {
  display: grid;
  grid-template-columns: 80px 1fr 1fr;
  gap: 12px;
  align-items: center;
}

.bar-label {
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--dark);
  text-align: right;
}

.bar-track {
  height: 28px;
  background: rgba(26, 26, 46, 0.04);
  border-radius: 14px;
  overflow: hidden;
  position: relative;
}

.bar-fill {
  height: 100%;
  border-radius: 14px;
  display: flex;
  align-items: center;
  padding-left: 12px;
  transition: width 1.2s cubic-bezier(0.22, 0.61, 0.36, 1);
  min-width: 0;
}

.bar-fill span {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--white);
  white-space: nowrap;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.bar-fill-old {
  background: linear-gradient(90deg, #CBD5E1, #94A3B8);
}

.bar-fill-new {
  background: linear-gradient(90deg, var(--primary), var(--secondary));
}

.bar-legend {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  font-size: 0.82rem;
  color: var(--gray);
  padding: 12px 0 4px;
}

.bar-legend-old,
.bar-legend-new {
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: 3px;
}

.bar-legend-old { background: #94A3B8; }
.bar-legend-new { background: linear-gradient(135deg, var(--primary), var(--secondary)); }

/* Hero B2B Hook */

/* Industry Definition Section */
.industry {
  padding: 80px 0;
}

.ind-def-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.ind-def-card {
  background: var(--white);
  border-radius: 20px;
  padding: 36px 28px;
  box-shadow: var(--shadow-md);
  border: 2px solid transparent;
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.ind-def-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  transform: scaleX(0);
  transition: transform 0.4s ease;
}

.ind-def-card:nth-child(1)::before { background: var(--gradient-brand); }
.ind-def-card:nth-child(2)::before { background: var(--gradient-warm); }
.ind-def-card:nth-child(3)::before { background: var(--gradient-teal); }
.ind-def-card:nth-child(4)::before { background: linear-gradient(135deg, #9B59B6, #8E44AD); }

.ind-def-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.ind-def-card:hover::before {
  transform: scaleX(1);
}

.ind-def-card:nth-child(1) { border-color: rgba(255, 140, 66, 0.2); }
.ind-def-card:nth-child(1):hover { border-color: rgba(255, 140, 66, 0.4); }
.ind-def-card:nth-child(2) { border-color: rgba(247, 184, 1, 0.2); }
.ind-def-card:nth-child(2):hover { border-color: rgba(247, 184, 1, 0.4); }
.ind-def-card:nth-child(3) { border-color: rgba(46, 196, 182, 0.2); }
.ind-def-card:nth-child(3):hover { border-color: rgba(46, 196, 182, 0.4); }
.ind-def-card:nth-child(4) { border-color: rgba(155, 89, 182, 0.2); }
.ind-def-card:nth-child(4):hover { border-color: rgba(155, 89, 182, 0.4); }

.ind-def-icon {
  font-size: 2.8rem;
  margin-bottom: 16px;
  display: inline-block;
  transition: transform 0.3s ease;
}

.ind-def-card:hover .ind-def-icon {
  transform: scale(1.15);
}

.ind-def-card h3 {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 10px;
}

.ind-def-card p {
  font-size: 0.88rem;
  color: var(--gray);
  line-height: 1.7;
  margin-bottom: 14px;
}

.ind-def-tag {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 6px 16px;
  border-radius: 50px;
  border: 1px solid transparent;
  transition: transform 0.3s ease;
}

.ind-def-card:hover .ind-def-tag {
  transform: scale(1.05);
}

.ind-def-card:nth-child(1) .ind-def-tag { border-color: rgba(255,140,66,0.3); }
.ind-def-card:nth-child(2) .ind-def-tag { border-color: rgba(247,184,1,0.3); }
.ind-def-card:nth-child(3) .ind-def-tag { border-color: rgba(46,196,182,0.3); }
.ind-def-card:nth-child(4) .ind-def-tag { border-color: rgba(155,89,182,0.3); }

.ind-def-card:nth-child(1) .ind-def-tag { background: rgba(255,140,66,0.12); color: #E86A2E; }
.ind-def-card:nth-child(2) .ind-def-tag { background: rgba(247,184,1,0.12); color: #D99A00; }
.ind-def-card:nth-child(3) .ind-def-tag { background: rgba(46,196,182,0.12); color: #1FA99C; }
.ind-def-card:nth-child(4) .ind-def-tag { background: rgba(155,89,182,0.12); color: #8E44AD; }

/* Industry Formula */
.ind-formula {
  margin-bottom: 48px;
}

.ind-formula-inner {
  background: var(--white);
  border-radius: 20px;
  padding: 36px 32px;
  box-shadow: var(--shadow);
}

.ind-formula-inner h3 {
  text-align: center;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 24px;
}

.ind-formula-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.ind-f-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 18px 20px;
  border-radius: 14px;
  min-width: 120px;
  background: var(--light);
  transition: transform 0.35s ease;
}

.ind-f-node:hover { transform: translateY(-4px); }

.ind-f-node strong {
  font-size: 1.1rem;
  color: var(--dark);
  font-weight: 800;
  margin-bottom: 4px;
}

.ind-f-node small {
  font-size: 0.72rem;
  color: var(--gray);
  line-height: 1.4;
}

.ind-f-op {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--primary);
}

.ind-f-result {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 20px 28px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(255,140,66,0.12), rgba(46,196,182,0.08));
  border: 2px solid rgba(255,140,66,0.2);
  min-width: 180px;
  transition: transform 0.35s ease;
}

.ind-f-result:hover { transform: translateY(-4px); }

.ind-f-result strong {
  font-size: 1.2rem;
  color: var(--dark);
  font-weight: 800;
  margin-bottom: 4px;
}

.ind-f-result small {
  font-size: 0.78rem;
  color: var(--primary);
  font-weight: 600;
}

/* Industry Trend */

/* Business Compare Section */
.compare-biz {
  padding: 80px 0;
}

.biz-compare-table {
  max-width: 960px;
  margin: 0 auto 48px;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.biz-compare-row {
  display: grid;
  grid-template-columns: 1fr 1.2fr 1.2fr 1.2fr 1.4fr;
  padding: 14px 24px;
  font-size: 0.88rem;
  border-bottom: 1px solid rgba(26,26,46,0.05);
  line-height: 1.5;
}

.biz-compare-row:last-child { border-bottom: none; }

.biz-compare-head {
  background: var(--dark);
  color: var(--white);
  font-weight: 700;
  font-size: 0.92rem;
}

.biz-compare-highlight {
  color: var(--primary) !important;
  font-weight: 700;
}

.biz-compare-row:not(.biz-compare-head) span:nth-child(1) {
  font-weight: 700;
  color: var(--dark);
}

.biz-compare-row:not(.biz-compare-head) span:nth-child(2),
.biz-compare-row:not(.biz-compare-head) span:nth-child(3),
.biz-compare-row:not(.biz-compare-head) span:nth-child(4) {
  color: var(--gray);
}

/* ROI Guide */
.roi-inner {
  background: linear-gradient(135deg, rgba(255,140,66,0.06), rgba(46,196,182,0.06));
  border-radius: 20px;
  padding: 36px 32px;
  border-left: 4px solid var(--primary);
}

.roi-inner h3 {
  text-align: center;
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 24px;
}

.roi-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 16px;
}

.roi-item {
  background: var(--white);
  border-radius: 14px;
  padding: 24px 20px;
  box-shadow: 0 4px 16px rgba(26,26,46,0.04);
  text-align: center;
  transition: transform 0.35s ease;
}

.roi-item:hover { transform: translateY(-4px); }

.roi-icon {
  font-size: 1.8rem;
  display: block;
  margin-bottom: 10px;
}

.roi-item strong {
  display: block;
  font-size: 1rem;
  color: var(--dark);
  font-weight: 800;
  margin-bottom: 10px;
}

.roi-item p {
  font-size: 0.85rem;
  color: var(--gray);
  line-height: 1.6;
}

.roi-note {
  text-align: center;
  font-size: 0.82rem;
  color: var(--gray);
  max-width: 600px;
  margin: 0 auto;
}

/* Industry Trend */
.ind-trend-inner {
  background: linear-gradient(135deg, #1A1A2E 0%, #232344 40%, #1E1E3A 100%);
  border-radius: 24px;
  padding: 48px 40px;
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.ind-trend-inner::before {
  content: "";
  position: absolute;
  top: -30%;
  right: -15%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(247,184,1,0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.ind-trend-header {
  text-align: center;
  position: relative;
  z-index: 1;
  margin-bottom: 32px;
}

.ind-trend-header h3 {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 10px;
}

.ind-trend-header p {
  font-size: 0.92rem;
  color: rgba(255,255,255,0.65);
  line-height: 1.7;
}

.ind-trend-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  position: relative;
  z-index: 1;
}

.ind-trend-card {
  background: rgba(255,255,255,0.06);
  border-radius: 16px;
  padding: 28px 24px;
  border: 1px solid rgba(255,255,255,0.08);
  transition: transform 0.35s ease, background 0.35s ease;
}

.ind-trend-card:hover {
  transform: translateY(-4px);
  background: rgba(255,255,255,0.1);
}

.ind-trend-icon {
  font-size: 2rem;
  margin-bottom: 14px;
  display: inline-block;
}

.ind-trend-card strong {
  display: block;
  font-size: 1.05rem;
  color: var(--white);
  font-weight: 700;
  margin-bottom: 10px;
}

.ind-trend-card p {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
  line-height: 1.7;
}

.hero-b2b-hook {
  display: block;
  margin-top: 10px;
  font-size: 0.95rem;
  color: var(--primary);
  font-weight: 700;
}
.hero-b2b-hook a {
  color: var(--primary);
  text-decoration: underline;
  text-decoration-color: rgba(255, 140, 66, 0.3);
  text-underline-offset: 3px;
}
.hero-b2b-hook a:hover {
  text-decoration-color: var(--primary);
}

/* Trust Bar Section */
.trust-bar {
  padding: 50px 0;
  background: linear-gradient(180deg, #FFFAF5 0%, var(--white) 100%);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.trust-item {
  background: var(--white);
  border-radius: 20px;
  padding: 32px 28px;
  box-shadow: 0 6px 24px rgba(26, 26, 46, 0.04);
  border: 1px solid rgba(26, 26, 46, 0.05);
  transition: transform 0.35s ease, box-shadow 0.35s ease;
  position: relative;
  overflow: hidden;
}

.trust-item:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(26, 26, 46, 0.08);
}

.trust-ip { border-left: 4px solid var(--accent); }
.trust-bot { border-left: 4px solid var(--secondary); }
.trust-vision { border-left: 4px solid var(--primary); }

.trust-icon-lg {
  font-size: 2.4rem;
  margin-bottom: 16px;
  display: inline-block;
}

.trust-item h4 {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 12px;
}

.trust-item p {
  color: var(--gray);
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 16px;
}

.trust-item p strong {
  color: var(--dark);
  font-weight: 700;
}

.trust-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.trust-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 50px;
  background: rgba(26, 26, 46, 0.06);
  color: var(--dark-2);
}

.trust-ip .trust-tag { background: rgba(247, 184, 1, 0.12); color: #D99A00; }
.trust-bot .trust-tag { background: rgba(46, 196, 182, 0.12); color: #1FA99C; }
.trust-vision .trust-tag { background: rgba(255, 140, 66, 0.12); color: #E86A2E; }

/* Core Business Value Section */
.cv-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  margin-bottom: 48px;
}

.cv-card {
  background: var(--white);
  border-radius: 20px;
  padding: 36px 32px;
  box-shadow: var(--shadow);
  border: 2px solid transparent;
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
  position: relative;
}

.cv-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.cv-content { border-color: rgba(247, 184, 1, 0.2); }
.cv-content:hover { border-color: rgba(247, 184, 1, 0.4); }
.cv-cost { border-color: rgba(46, 196, 182, 0.2); }
.cv-cost:hover { border-color: rgba(46, 196, 182, 0.4); }
.cv-scene { border-color: rgba(255, 140, 66, 0.2); }
.cv-scene:hover { border-color: rgba(255, 140, 66, 0.4); }
.cv-ip { border-color: rgba(155, 89, 182, 0.2); }
.cv-ip:hover { border-color: rgba(155, 89, 182, 0.4); }

.cv-icon-wrap {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}

.cv-content .cv-icon-wrap { background: rgba(247, 184, 1, 0.12); }
.cv-cost .cv-icon-wrap { background: rgba(46, 196, 182, 0.12); }
.cv-scene .cv-icon-wrap { background: rgba(255, 140, 66, 0.12); }
.cv-ip .cv-icon-wrap { background: rgba(155, 89, 182, 0.12); }

.cv-emoji { font-size: 2rem; }

.cv-card h3 {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 8px;
}

.cv-subtitle {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 14px;
}

.cv-card p {
  color: var(--gray);
  font-size: 0.9rem;
  line-height: 1.7;
}

.cv-metric {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  padding: 8px 14px;
  background: var(--light);
  border-radius: 10px;
}

.cv-metric-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--gray);
}

.cv-metric-value {
  font-size: 1rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Commercial Value Chain */
.cv-chain {
  background: var(--white);
  border-radius: 20px;
  padding: 36px 32px;
  box-shadow: var(--shadow);
}

.cv-chain-title {
  text-align: center;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 12px;
}

.cv-chain-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.cv-chain-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 20px 24px;
  border-radius: 16px;
  min-width: 180px;
  transition: transform 0.35s ease;
}

.cv-chain-node:hover { transform: translateY(-4px); }

.cv-chain-venue {
  background: linear-gradient(135deg, rgba(255, 140, 66, 0.08), rgba(255, 140, 66, 0.03));
  border: 1px solid rgba(255, 140, 66, 0.15);
}
.cv-chain-platform {
  background: linear-gradient(135deg, rgba(46, 196, 182, 0.08), rgba(46, 196, 182, 0.03));
  border: 1px solid rgba(46, 196, 182, 0.15);
}
.cv-chain-user {
  background: linear-gradient(135deg, rgba(247, 184, 1, 0.08), rgba(247, 184, 1, 0.03));
  border: 1px solid rgba(247, 184, 1, 0.15);
}

.cvcn-icon { font-size: 2rem; margin-bottom: 8px; }

.cv-chain-node strong {
  font-size: 1rem;
  color: var(--dark);
  margin-bottom: 6px;
}

.cv-chain-node small {
  font-size: 0.8rem;
  color: var(--gray);
  line-height: 1.5;
}

.cv-chain-arrow {
  font-size: 1.5rem;
  color: var(--primary);
  font-weight: 800;
}

/* Vertical Cooperation Section */
.coop-v-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  margin-bottom: 48px;
}

.coop-v-card {
  background: var(--white);
  border-radius: 20px;
  padding: 36px 32px;
  box-shadow: var(--shadow);
  border: 2px solid transparent;
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
}

.coop-v-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.coop-v-museum { border-color: rgba(46, 196, 182, 0.2); }
.coop-v-museum:hover { border-color: rgba(46, 196, 182, 0.4); }
.coop-v-tourism { border-color: rgba(255, 140, 66, 0.2); }
.coop-v-tourism:hover { border-color: rgba(255, 140, 66, 0.4); }
.coop-v-education { border-color: rgba(52, 152, 219, 0.2); }
.coop-v-education:hover { border-color: rgba(52, 152, 219, 0.4); }
.coop-v-commercial { border-color: rgba(155, 89, 182, 0.2); }
.coop-v-commercial:hover { border-color: rgba(155, 89, 182, 0.4); }

.coop-v-icon { font-size: 2.2rem; margin-bottom: 14px; display: inline-block; }

.coop-v-card h3 {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 14px;
}

.coop-v-model {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.coop-v-badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 50px;
}

.coop-v-badge-saas { background: rgba(46, 196, 182, 0.12); color: #1FA99C; }
.coop-v-badge-ip { background: rgba(247, 184, 1, 0.12); color: #D99A00; }
.coop-v-badge-brand { background: rgba(255, 140, 66, 0.12); color: #E86A2E; }
.coop-v-badge-poi { background: rgba(52, 152, 219, 0.12); color: #2980B9; }
.coop-v-badge-0 { background: rgba(46, 196, 182, 0.15); color: #1FA99C; }
.coop-v-badge-custom { background: rgba(155, 89, 182, 0.12); color: #8E44AD; }

.coop-v-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 18px;
}

.coop-v-list li {
  font-size: 0.88rem;
  color: var(--dark-2);
  line-height: 1.6;
  padding-left: 18px;
  position: relative;
}

.coop-v-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
}

.coop-v-pricing {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--primary);
  background: rgba(255, 140, 66, 0.08);
  padding: 10px 16px;
  border-radius: 10px;
  text-align: center;
}

/* 超能X计划 */
.xplan {
  background: linear-gradient(135deg, #1A1A2E 0%, #232344 40%, #1E1E3A 100%);
  border-radius: 24px;
  padding: 48px 40px;
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.xplan::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -20%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(247, 184, 1, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.xplan-inner {
  position: relative;
  z-index: 1;
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}

.xplan-badge {
  display: inline-block;
  font-size: 0.9rem;
  font-weight: 800;
  color: var(--accent);
  background: rgba(247, 184, 1, 0.1);
  padding: 8px 20px;
  border-radius: 50px;
  border: 1px solid rgba(247, 184, 1, 0.25);
  margin-bottom: 20px;
}

.xplan h3 {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 16px;
}

.xplan p {
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.7;
  margin-bottom: 24px;
}

.xplan-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-bottom: 28px;
}

.xplan-feat {
  background: rgba(255, 255, 255, 0.06);
  border-radius: 12px;
  padding: 14px 18px;
  text-align: left;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.xplan-feat span { font-size: 1.3rem; flex-shrink: 0; }

.xplan-feat strong {
  display: block;
  font-size: 0.88rem;
  color: var(--white);
  margin-bottom: 2px;
}

.xplan-feat {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.6);
}

.xplan-btn {
  background: var(--accent);
  color: var(--dark) !important;
  font-weight: 800;
  box-shadow: 0 8px 24px rgba(247, 184, 1, 0.3);
}
.xplan-btn:hover {
  background: #e6a700;
  transform: translateY(-2px);
}

/* Business Ecosystem Section */
.eco-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 48px;
}

.eco-card {
  background: var(--white);
  border-radius: 20px;
  padding: 28px 24px;
  box-shadow: var(--shadow);
  border: 2px solid transparent;
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
  text-align: center;
}

.eco-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.eco-xiao { border-color: rgba(247, 184, 1, 0.2); }
.eco-xiao:hover { border-color: rgba(247, 184, 1, 0.4); }
.eco-holiday { border-color: rgba(46, 196, 182, 0.2); }
.eco-holiday:hover { border-color: rgba(46, 196, 182, 0.4); }
.eco-youji { border-color: rgba(255, 140, 66, 0.2); }
.eco-youji:hover { border-color: rgba(255, 140, 66, 0.4); }
.eco-event { border-color: rgba(155, 89, 182, 0.2); }
.eco-event:hover { border-color: rgba(155, 89, 182, 0.4); }

.eco-icon { font-size: 2.2rem; margin-bottom: 14px; display: inline-block; }

.eco-card h3 {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 8px;
}

.eco-target {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 12px;
}

.eco-card p {
  font-size: 0.85rem;
  color: var(--gray);
  line-height: 1.6;
  margin-bottom: 14px;
}

.eco-product-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 50px;
  background: rgba(26, 26, 46, 0.06);
  color: var(--dark-2);
}

.eco-xiao .eco-product-tag { background: rgba(247, 184, 1, 0.12); color: #D99A00; }
.eco-holiday .eco-product-tag { background: rgba(46, 196, 182, 0.12); color: #1FA99C; }
.eco-youji .eco-product-tag { background: rgba(255, 140, 66, 0.12); color: #E86A2E; }
.eco-event .eco-product-tag { background: rgba(155, 89, 182, 0.12); color: #8E44AD; }

/* Supply Chain */
.eco-supply-chain {
  background: var(--white);
  border-radius: 20px;
  padding: 36px 32px;
  box-shadow: var(--shadow);
}

.eco-chain-inner {
  text-align: center;
}

.eco-chain-inner h3 {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 10px;
}

.eco-chain-inner p {
  font-size: 0.9rem;
  color: var(--gray);
  margin-bottom: 24px;
}

.eco-chain-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
}

.eco-chain-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 14px 18px;
  border-radius: 14px;
  background: var(--light);
  min-width: 110px;
  transition: transform 0.35s ease;
}

.eco-chain-node:hover { transform: translateY(-4px); }

.eco-chain-node strong {
  font-size: 0.95rem;
  color: var(--dark);
  font-weight: 700;
  margin-bottom: 4px;
}

.eco-chain-node small {
  font-size: 0.72rem;
  color: var(--gray);
  line-height: 1.4;
}

.eco-chain-arrow {
  font-size: 1.2rem;
  color: var(--primary);
  font-weight: 800;
}

/* Responsive for new sections */
@media (max-width: 1024px) {
  .ind-def-grid { grid-template-columns: repeat(2, 1fr); }
  .ind-formula-flow { flex-direction: column; }
  .ind-f-op { transform: rotate(90deg); }
  .ind-trend-grid { grid-template-columns: 1fr; }
  .biz-compare-row { grid-template-columns: 1fr; font-size: 0.82rem; padding: 12px 16px; }
  .biz-compare-row span { padding: 4px 0; }
  .roi-grid { grid-template-columns: 1fr; }
  .trust-grid { grid-template-columns: 1fr; }
  .cv-grid { grid-template-columns: 1fr; }
  .coop-v-grid { grid-template-columns: 1fr; }
  .eco-grid { grid-template-columns: repeat(2, 1fr); }
  .xplan-features { grid-template-columns: 1fr; }
  .cv-chain-flow { flex-direction: column; }
  .cv-chain-arrow { transform: rotate(90deg); }
  .eco-chain-flow { flex-direction: column; }
  .eco-chain-arrow { transform: rotate(90deg); }
}

@media (max-width: 768px) {
  .ind-def-grid { grid-template-columns: 1fr; gap: 16px; }
  .ind-def-card { padding: 24px 20px; }
  .ind-f-node { min-width: 100px; padding: 14px 16px; }
  .ind-f-result { min-width: 100%; }
  .ind-trend-inner { padding: 32px 20px; }
  .ind-trend-grid { grid-template-columns: 1fr; }
  .trust-grid { grid-template-columns: 1fr; gap: 16px; }
  .trust-item { padding: 24px 20px; }
  .cv-grid { grid-template-columns: 1fr; }
  .coop-v-grid { grid-template-columns: 1fr; }
  .eco-grid { grid-template-columns: 1fr; }
  .xplan { padding: 32px 20px; }
  .xplan-features { grid-template-columns: 1fr; }
  .cv-chain-flow { flex-direction: column; }
  .eco-chain-flow { flex-direction: column; }
  .hero-b2b-hook { font-size: 0.85rem; }
}

@media (max-width: 480px) {
  .ind-def-card { padding: 20px 16px; }
  .ind-f-node { padding: 10px 12px; min-width: 80px; }
  .ind-f-op { font-size: 1rem; }
  .ind-trend-card { padding: 20px 16px; }
  .trust-tags { gap: 4px; }
  .trust-tag { font-size: 0.65rem; padding: 3px 8px; }
  .cv-metric { flex-direction: column; gap: 4px; }
  .eco-card { padding: 20px 16px; }
  .coop-v-card { padding: 24px 18px; }
  .coop-v-list li { font-size: 0.82rem; }
}

/* Social Proof Stats */
.proof {
  padding: 80px 0;
  background: linear-gradient(180deg, #FFF9F0 0%, #FFFAF5 50%, var(--white) 100%);
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  max-width: 1050px;
  margin: 0 auto;
}

.proof-stat {
  text-align: center;
  background: var(--white);
  border-radius: 20px;
  padding: 36px 20px;
  box-shadow: 0 6px 24px rgba(26, 26, 46, 0.04);
  border: 1px solid rgba(26, 26, 46, 0.04);
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}

.proof-stat:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(26, 26, 46, 0.08);
}

.proof-num {
  display: inline-block;
  font-size: 3.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.proof-unit {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--gray);
  margin-left: 2px;
  vertical-align: super;
}

.proof-stat h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--dark);
  margin: 12px 0 6px;
}

.proof-stat p {
  font-size: 0.82rem;
  color: var(--gray);
  line-height: 1.5;
}

/* Mobile Nav Overlay */
.nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(26, 26, 46, 0.4);
  z-index: 999;
  opacity: 0;
  transition: opacity 0.35s ease;
  pointer-events: none;
}

.nav-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

/* Reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* 酷玩趣学 */
.kk-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 32px;
}

.kk-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 24px 20px;
  text-align: center;
  box-shadow: var(--shadow);
  border: 2px solid transparent;
  transition: border-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
}

.kk-card:hover {
  border-color: rgba(46, 196, 182, 0.3);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.kk-card-icon {
  font-size: 2.2rem;
  display: block;
  margin-bottom: 14px;
}

.kk-card h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 8px;
}

.kk-card p {
  font-size: 0.85rem;
  color: var(--gray);
  line-height: 1.6;
  margin-bottom: 14px;
}

.kk-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 50px;
  background: linear-gradient(135deg, rgba(46, 196, 182, 0.1), rgba(255, 140, 66, 0.08));
  color: var(--secondary-dark);
}

.kk-highlight {
  max-width: 680px;
  margin: 0 auto 40px;
}

.kk-hl-inner {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 20px 28px;
  background: linear-gradient(135deg, rgba(255, 140, 66, 0.06), rgba(46, 196, 182, 0.06));
  border-radius: var(--radius);
  border-left: 4px solid var(--primary);
}

.kk-hl-icon { font-size: 2rem; flex-shrink: 0; }

.kk-hl-inner strong {
  display: block;
  font-size: 1.1rem;
  color: var(--dark);
  margin-bottom: 4px;
}

.kk-hl-inner p {
  font-size: 0.92rem;
  color: var(--gray);
  line-height: 1.7;
}

/* Compare Table */
.kk-compare {
  max-width: 820px;
  margin: 0 auto 40px;
}

.kk-compare-header {
  text-align: center;
  margin-bottom: 28px;
}

.kk-compare-header h3 {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 8px;
}

.kk-compare-table {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.kk-compare-row {
  display: grid;
  grid-template-columns: 1.2fr 1.4fr 1.4fr;
  padding: 16px 24px;
  font-size: 0.92rem;
  border-bottom: 1px solid rgba(26, 26, 46, 0.05);
}

.kk-compare-row:last-child { border-bottom: none; }

.kk-compare-head {
  background: var(--dark);
  color: var(--white);
  font-weight: 700;
  font-size: 0.95rem;
}

.kk-compare-row span:nth-child(1) {
  font-weight: 600;
  color: var(--dark);
}

.kk-compare-row:not(.kk-compare-head) span:nth-child(2) {
  color: var(--gray);
}

.kk-compare-row:not(.kk-compare-head) span:nth-child(3) {
  color: var(--primary);
  font-weight: 600;
}

/* Six Grid Subject Tags */
.si-subject {
  margin-left: auto;
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--secondary-dark);
  background: rgba(46, 196, 182, 0.1);
  padding: 2px 8px;
  border-radius: 4px;
  white-space: nowrap;
}

/* Philosophy */
.philosophy-main {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  margin-bottom: 32px;
}

.phil-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 36px 32px;
  box-shadow: var(--shadow);
}

.phil-card h3 {
  font-size: 1.3rem;
  margin-bottom: 10px;
  color: var(--dark);
}

.phil-subtitle {
  color: var(--gray);
  font-size: 0.95rem;
  margin-bottom: 24px;
  line-height: 1.6;
}

.cycle-flow {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.cycle-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 4px;
  padding: 12px 8px;
  background: var(--light);
  border-radius: var(--radius-sm);
  min-width: 90px;
}

.cycle-node .cn-icon { font-size: 1.4rem; }
.cycle-node strong { font-size: 0.95rem; color: var(--dark); }
.cycle-node small { font-size: 0.75rem; color: var(--gray); max-width: 90px; line-height: 1.3; }

.cycle-arrow {
  color: var(--primary);
  font-weight: bold;
  font-size: 1.2rem;
}

.six-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.six-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 16px;
  background: var(--light);
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--dark);
  transition: background var(--transition);
}

.six-item:hover { background: rgba(46, 196, 182, 0.1); }

.si-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  background: var(--secondary);
  color: var(--white);
  border-radius: 50%;
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
}

.philosophy-detail {
  max-width: 800px;
  margin: 0 auto;
  padding: 24px 28px;
  background: var(--white);
  border-radius: var(--radius);
  border-left: 4px solid var(--secondary);
  box-shadow: var(--shadow);
}

.philosophy-detail p {
  color: var(--gray);
  font-size: 0.95rem;
  line-height: 1.8;
}

/* Script Engine */
.se-subsection {
  margin-bottom: 36px;
}

.se-subtitle {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 10px;
}

.se-desc {
  color: var(--gray);
  font-size: 0.95rem;
  margin-bottom: 24px;
}

.question-types {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.qt-card {
  background: var(--white);
  border-radius: var(--radius-sm);
  padding: 20px 16px;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
  text-align: center;
  border: 1px solid rgba(26, 26, 46, 0.04);
}

.qt-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.qt-icon {
  font-size: 1.6rem;
  display: block;
  margin-bottom: 10px;
}

.qt-card strong {
  display: block;
  font-size: 0.95rem;
  color: var(--dark);
  margin-bottom: 6px;
}

.qt-card p {
  font-size: 0.8rem;
  color: var(--gray);
  line-height: 1.5;
}

/* Question type age mini tags */
.qt-age-mini {
  display: inline-block;
  font-size: 0.6rem;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 50px;
  margin-top: 8px;
  letter-spacing: 0.3px;
}

.qt-age-all {
  background: rgba(116, 116, 128, 0.08);
  color: #636366;
}

.qt-age-6 {
  background: rgba(46, 196, 182, 0.1);
  color: #1FA99C;
}

.qt-age-9 {
  background: rgba(255, 140, 66, 0.1);
  color: #E86A2E;
}

.se-two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  margin-top: 36px;
}

.se-col {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
  border-left: 4px solid var(--primary);
}

.se-col:nth-child(2) { border-left-color: var(--accent); }

.se-col p {
  color: var(--gray);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 12px;
}

.se-col p:last-child { margin-bottom: 0; }

/* Tech Architecture */
.tech-arch {
  max-width: 900px;
  margin: 0 auto 36px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.arch-layer {
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px 32px;
  box-shadow: var(--shadow);
}

.arch-layer h4 {
  font-size: 1.1rem;
  margin-bottom: 14px;
  color: var(--dark);
}

.arch-items {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.arch-items span {
  display: inline-block;
  padding: 8px 16px;
  background: var(--light);
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--dark-2);
  border: 1px solid rgba(26, 26, 46, 0.06);
}

.layer-cloud .arch-items span { background: rgba(255, 140, 66, 0.08); border-color: rgba(255, 140, 66, 0.15); }
.layer-channel .arch-items span { background: rgba(46, 196, 182, 0.08); border-color: rgba(46, 196, 182, 0.15); }
.layer-end .arch-items span { background: rgba(247, 184, 1, 0.08); border-color: rgba(247, 184, 1, 0.15); }

.tech-details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

.tech-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
}

.tech-card h3 { font-size: 1.2rem; margin-bottom: 14px; color: var(--dark); }
.tech-card p { color: var(--gray); font-size: 0.95rem; line-height: 1.8; }

/* IP Strip — 增强版 */
.ip-strip {
  padding: 48px 0;
  background: linear-gradient(135deg, #1A1A2E 0%, #232344 40%, #1E1E3A 100%);
  overflow: hidden;
  position: relative;
}

.ip-strip::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(247, 184, 1, 0.3), rgba(46, 196, 182, 0.3), transparent);
}

.ip-strip::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(247, 184, 1, 0.04) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
}

.ip-strip-inner {
  display: flex;
  align-items: center;
  gap: 36px;
  flex-wrap: wrap;
  justify-content: center;
}

.ip-label {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2.5px;
  color: var(--accent);
  padding: 10px 20px;
  background: rgba(247, 184, 1, 0.08);
  border-radius: 8px;
  border: 1px solid rgba(247, 184, 1, 0.18);
  white-space: nowrap;
}

.ip-emotes {
  display: flex;
  gap: 28px;
}

.ip-emote {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.ipe-bubble {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px;
  transition: transform 0.35s ease, box-shadow 0.35s ease;
  position: relative;
}

.ipe-bubble-green  { background: rgba(46, 196, 182, 0.1); box-shadow: 0 0 20px rgba(46, 196, 182, 0.08); }
.ipe-bubble-orange { background: rgba(255, 140, 66, 0.1); box-shadow: 0 0 20px rgba(255, 140, 66, 0.08); }
.ipe-bubble-yellow { background: rgba(247, 184, 1, 0.1); box-shadow: 0 0 20px rgba(247, 184, 1, 0.08); }

.ip-emote:hover .ipe-bubble {
  transform: scale(1.15);
}

.ip-emote:hover .ipe-bubble-green  { box-shadow: 0 0 32px rgba(46, 196, 182, 0.25); }
.ip-emote:hover .ipe-bubble-orange { box-shadow: 0 0 32px rgba(255, 140, 66, 0.25); }
.ip-emote:hover .ipe-bubble-yellow { box-shadow: 0 0 32px rgba(247, 184, 1, 0.25); }

.ipe-img-anim {
  width: 64px;
  height: 64px;
  object-fit: contain;
  animation: ipeFloat 3s ease-in-out infinite;
}

.ipe-delay-1 { animation-delay: 0.6s; }
.ipe-delay-2 { animation-delay: 1.2s; }

@keyframes ipeFloat {
  0%, 100% { transform: translateY(0) scale(1); }
  30% { transform: translateY(-5px) scale(1.08); }
  60% { transform: translateY(0) scale(0.95); }
}

.ip-emote span {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.85);
  font-weight: 600;
}

.ip-emote small {
  font-size: 0.7rem;
  color: rgba(255, 255, 255, 0.45);
  font-weight: 400;
}

.ip-desc {
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.88rem;
  line-height: 1.7;
  max-width: 520px;
}

/* AIGC Engine */
.aigc-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.aigc-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(26, 26, 46, 0.04);
  transition: transform var(--transition), box-shadow var(--transition), border-color 0.35s ease;
  position: relative;
  overflow: hidden;
}

.aigc-card::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(46, 196, 182, 0.06) 0%, transparent 70%);
  border-radius: 50%;
  transition: transform 0.5s ease;
}

.aigc-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(46, 196, 182, 0.2);
}

.aigc-card:hover::before {
  transform: scale(1.5);
}

.aigc-icon {
  font-size: 2.5rem;
  margin-bottom: 18px;
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(46, 196, 182, 0.12) 0%, rgba(46, 196, 182, 0.04) 100%);
  border-radius: 16px;
}

.aigc-card h3 {
  font-size: 1.2rem;
  margin-bottom: 12px;
  color: var(--dark);
}

.aigc-card p {
  color: var(--gray);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 16px;
}

.aigc-tag {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--secondary-dark);
  background: rgba(46, 196, 182, 0.1);
  padding: 5px 12px;
  border-radius: 50px;
}

/* SaaS */
.saas-features {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 60px;
}

.saas-feat {
  text-align: center;
  padding: 28px 16px;
  background: var(--light);
  border-radius: var(--radius);
  transition: transform var(--transition);
}

.saas-feat:hover { transform: translateY(-4px); }

.sf-icon {
  font-size: 2rem;
  display: block;
  margin-bottom: 14px;
}

.saas-feat strong {
  display: block;
  font-size: 1.05rem;
  color: var(--dark);
  margin-bottom: 8px;
}

.saas-feat p {
  font-size: 0.88rem;
  color: var(--gray);
  line-height: 1.6;
}

/* Pricing */
.pricing-title {
  text-align: center;
  font-size: 1.75rem;
  font-weight: 800;
  margin-bottom: 36px;
  color: var(--dark);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 1050px;
  margin: 0 auto 24px;
}

.pricing-card {
  background: var(--white);
  border-radius: 20px;
  padding: 40px 30px;
  box-shadow: 0 6px 24px rgba(26, 26, 46, 0.04);
  display: flex;
  flex-direction: column;
  border: 2px solid rgba(26, 26, 46, 0.06);
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
  position: relative;
}

.pricing-card:hover { transform: translateY(-8px); box-shadow: 0 20px 48px rgba(26, 26, 46, 0.1); border-color: rgba(255, 140, 66, 0.2); }

.pricing-card::after {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(circle at 50% 0%, rgba(255, 140, 66, 0.04) 0%, transparent 60%);
  border-radius: 20px;
  opacity: 0;
  transition: opacity 0.35s ease;
  pointer-events: none;
}

.pricing-card:hover::after {
  opacity: 1;
}

.pricing-card-featured {
  border-color: var(--primary);
  box-shadow: 0 16px 48px rgba(255, 140, 66, 0.15);
  transform: translateY(-8px);
  background: linear-gradient(180deg, #FFFBF7 0%, var(--white) 100%);
}

.pricing-card-featured:hover { transform: translateY(-12px); }

.pc-badge {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: var(--white);
  padding: 4px 16px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 700;
}

.pc-header { text-align: center; margin-bottom: 20px; }

.pc-header h4 { font-size: 1.3rem; color: var(--dark); margin-bottom: 6px; }

.pc-desc { font-size: 0.85rem; color: var(--gray); }

.pc-price {
  text-align: center;
  font-size: 1rem;
  color: var(--gray);
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(26, 26, 46, 0.08);
}

.pc-price strong {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--dark);
}

.pc-features {
  list-style: none;
  flex: 1;
  margin-bottom: 24px;
}

.pc-features li {
  padding: 8px 0;
  font-size: 0.9rem;
  color: var(--dark-2);
  border-bottom: 1px solid rgba(26, 26, 46, 0.04);
}

.pc-features li:last-child { border-bottom: none; }

.pc-btn { width: 100%; }

.pricing-note {
  text-align: center;
  font-size: 0.82rem;
  color: var(--gray);
  max-width: 700px;
  margin: 0 auto;
}

/* Signature Features */
.sig-list { display: flex; flex-direction: column; }

.sig-card {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 0;
  align-items: stretch;
  background: var(--white);
  border-radius: 20px;
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: box-shadow 0.3s ease;
}

.sig-card:hover { box-shadow: var(--shadow-lg); }

.sig-card-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 32px;
  background: linear-gradient(160deg, #0f0f23 0%, #1a1a35 50%, #151530 100%);
}

.sig-card-alt .sig-card-visual {
  background: linear-gradient(160deg, #0a0d1a 0%, #121830 50%, #0d1025 100%);
}

.sig-card-badge {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.7);
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 700;
  backdrop-filter: blur(4px);
}

.sig-card-body {
  padding: 40px 36px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.sig-card-body h3 {
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 10px;
  color: var(--dark);
}

.sig-subtitle {
  font-size: 1.05rem;
  color: var(--gray);
  margin-bottom: 28px;
  line-height: 1.7;
}

/* Divider */
.sig-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px 0;
}

.sig-divider span {
  display: block;
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--secondary), var(--primary));
  border-radius: 2px;
  opacity: 0.4;
}

.sig-details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 20px;
}

.sig-detail {
  padding: 14px;
  background: var(--light);
  border-radius: var(--radius-sm);
}

.sig-detail strong {
  display: block;
  font-size: 0.9rem;
  color: var(--dark);
  margin-bottom: 5px;
}

.sig-detail p {
  font-size: 0.8rem;
  color: var(--gray);
  line-height: 1.6;
}

.sig-detail em {
  font-style: normal;
  font-weight: 600;
  color: var(--primary);
}

.sig-tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.sig-tech-stack span {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(46, 196, 182, 0.08);
  color: var(--secondary-dark);
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
}

/* Sig Visual: Product Screenshots */
.sig-screen-wrap {
  width: 100%;
  max-width: 380px;
  position: relative;
}

.sig-screen-img {
  width: 100%;
  height: auto;
  border-radius: 14px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.3), 0 0 0 1px rgba(255,255,255,0.08);
  display: block;
}

.sig-screen-label {
  text-align: center;
  margin-top: 14px;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.5);
  font-weight: 500;
  letter-spacing: 0.5px;
}

/* Responsive */
@media (max-width: 1024px) {
  .sig-card { grid-template-columns: 1fr; }
  .sig-card-visual { padding: 28px 24px; }
  .sig-card-body { padding: 28px 24px; }
  .sig-details { grid-template-columns: 1fr; }
  .sig-card-body h3 { font-size: 1.4rem; }
  .forwho-grid { grid-template-columns: 1fr; gap: 24px; }
  .forwho-card { padding: 28px 22px; }

  .faq-grid { grid-template-columns: 1fr; }
  .cta-dual-btns { justify-content: center; }

  .benefits-dual { grid-template-columns: 1fr; gap: 24px; }
  .benefits-group { padding: 24px 20px; }

  .hero-trust-strip { gap: 10px; }
  .hero-trust-strip li { font-size: 0.8rem; padding: 6px 10px; }

  .aigc-grid { grid-template-columns: 1fr; }
  .saas-features { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: 1fr; max-width: 420px; }
  .pricing-card-featured { transform: none; }
  .pricing-card-featured:hover { transform: translateY(-6px); }
  .philosophy-main { grid-template-columns: 1fr; }

  .kk-grid { grid-template-columns: repeat(2, 1fr); }

  .cycle-flow {
    flex-wrap: wrap;
    justify-content: center;
  }

  .question-types { grid-template-columns: repeat(3, 1fr); }
  .se-two-col { grid-template-columns: 1fr; }
  .tech-details { grid-template-columns: 1fr; }
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-text {
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .hero h1 {
    font-size: 2.6rem;
  }

  .hero-visual {
    order: -1;
  }

  .hero-mascot-img { width: 130px; height: 130px; }
  .hero-mascot-glow { width: 110px; height: 110px; }
  .hero-emote-showcase { gap: 14px; }
  .hero-emote-card { max-width: 130px; padding: 14px 10px 12px; }
  .hec-bubble { width: 66px; height: 66px; }
  .hec-img { width: 52px; height: 52px; }

  .ip-strip-inner { flex-direction: column; text-align: center; gap: 20px; }
  .ip-desc { max-width: 100%; }

  .phone-mockup {
    display: none;
  }

  .about-grid,
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .process-steps {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .menu-toggle {
    display: flex;
  }

  .main-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: var(--white);
    flex-direction: column;
    align-items: flex-start;
    padding: 90px 32px 32px;
    gap: 24px;
    box-shadow: -10px 0 40px rgba(26, 26, 46, 0.1);
    transition: right var(--transition);
  }

  .main-nav.active {
    right: 0;
  }

  .main-nav a {
    font-size: 1.1rem;
  }

  .hero {
    padding: 120px 0 70px;
    min-height: auto;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .hero-badges {
    justify-content: center;
  }

  .section {
    padding: 60px 0;
  }

  .section-header h2 {
    font-size: 1.75rem;
  }

  .about-grid,
  .features-grid,
  .benefits-list,
  .scenarios-grid,
  .tech-details,
  .se-two-col,
  .aigc-grid {
    grid-template-columns: 1fr;
  }

  .forwho-grid { grid-template-columns: 1fr; }
  .benefits-dual { grid-template-columns: 1fr; }

  .faq-grid { grid-template-columns: 1fr; }
  .faq-card { padding: 22px 18px; }
  .faq-card h3 { font-size: 0.95rem; }

  .proof-grid { grid-template-columns: repeat(2, 1fr); }
  .proof-num { font-size: 2.6rem; }
  .cta-dual-btns { flex-direction: column; width: 100%; }
  .cta-dual-btns .btn { width: 100%; }

  .question-types { grid-template-columns: repeat(2, 1fr); }

  .six-grid { grid-template-columns: repeat(2, 1fr); }

  .kk-grid { grid-template-columns: 1fr; }

  .kk-compare-row { grid-template-columns: 1fr 1fr 1fr; padding: 12px 14px; font-size: 0.82rem; }

  .bar-row { grid-template-columns: 60px 1fr 1fr; gap: 8px; }
  .bar-label { font-size: 0.78rem; }
  .bar-fill span { font-size: 0.68rem; }

  .faq-trigger h3 { font-size: 0.92rem; }

  .cycle-flow {
    flex-direction: column;
    gap: 8px;
  }

  .cycle-arrow { transform: rotate(90deg); }

  .cycle-node { width: 100%; }

  .scenario-card {
    flex-direction: column;
  }

  .scenario-img {
    flex: 0 0 140px;
  }

  .process-steps {
    grid-template-columns: repeat(2, 1fr);
  }

  .cta-box {
    grid-template-columns: 1fr;
    padding: 40px 28px;
    text-align: center;
  }

  .cta-content h2 {
    font-size: 1.7rem;
  }

  .contact-info {
    justify-content: center;
  }

  .cta-visual {
    order: -1;
  }

  .cta-mascot {
    width: 160px;
    height: 160px;
  }

  .footer-main {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .footer-links {
    grid-template-columns: repeat(2, 1fr);
  }

  .float-cta {
    display: block;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.75rem;
  }

  .hero-mascot-img { width: 100px; height: 100px; }
  .hero-mascot-glow { width: 90px; height: 90px; }
  .hero-emote-showcase { gap: 8px; }
  .hero-emote-card { max-width: 100px; padding: 12px 8px 10px; border-radius: 16px; }
  .hec-bubble { width: 52px; height: 52px; }
  .hec-img { width: 42px; height: 42px; }
  .hec-label { font-size: 0.72rem; }
  .hec-info small { font-size: 0.6rem; display: none; }

  .ipe-bubble { width: 70px; height: 70px; }
  .ipe-img-anim { width: 50px; height: 50px; }

  .hero-age-badges { justify-content: center; }
  .hero-trust-strip { justify-content: center; }
  .hero-trust-strip li { font-size: 0.76rem; padding: 5px 8px; }

  .forwho-card { padding: 22px 16px; }
  .forwho-card h3 { font-size: 1.15rem; }
  .fw-list li { font-size: 0.82rem; }
  .fw-mascot-img { width: 44px; height: 44px; }
  .fw-icon-wrap { width: 66px; height: 66px; }

  .benefits-group { padding: 20px 14px; }
  .benefits-group-title { font-size: 1rem; }

  .faq-card { padding: 18px 14px; }
  .faq-card h3 { font-size: 0.9rem; }
  .faq-card p { font-size: 0.82rem; }

  .cta-content h2 { font-size: 1.5rem; }
  .cta-dual-btns { flex-direction: column; width: 100%; }

  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

  .btn {
    width: 100%;
  }

  .exp-item {
    flex-direction: column;
  }

  .footer-links {
    grid-template-columns: 1fr;
  }

  .question-types { grid-template-columns: 1fr; }

  .six-grid { grid-template-columns: 1fr; }

  .kk-compare-row { padding: 10px 12px; font-size: 0.75rem; }

  .kk-compare-bar-visual { padding: 16px 14px; }
  .bar-row { grid-template-columns: 1fr; gap: 4px; }
  .bar-label { text-align: left; }

  .process-steps { grid-template-columns: 1fr; }

  .proof-grid { grid-template-columns: 1fr 1fr; }
  .proof-stat { padding: 24px 14px; }
  .proof-num { font-size: 2rem; }

  .sig-card-body { padding: 20px 16px; }
  .sig-card-visual { padding: 20px 16px; }
  .sig-card-body h3 { font-size: 1.2rem; }
  .sig-screen-img { max-width: 100%; }
}

/* ============================================
   B端SaaS落地页专用样式
   ============================================ */

.b2b-hero-stats { display:flex; gap:1.2rem; margin:1.5rem 0; flex-wrap:wrap; }
.b2b-stat { background:rgba(255,255,255,0.9); backdrop-filter:blur(10px); border:1px solid rgba(255,140,66,0.18); border-radius:12px; padding:1rem 1.4rem; text-align:center; min-width:160px; box-shadow:var(--shadow-md); transition:transform 0.35s ease, box-shadow 0.35s ease; }
.b2b-stat:hover { transform:translateY(-3px); box-shadow:var(--shadow-lg); }
.b2b-stat strong { font-size:1.8rem; color:var(--primary); display:block; line-height:1.2; }
.b2b-stat span { font-size:0.82rem; color:var(--gray); }

.b2b-venue-nav { display:flex; gap:0.8rem; margin:1rem 0; flex-wrap:wrap; }
.b2b-venue-nav a { padding:0.5rem 1rem; background:rgba(46,196,182,0.08); border:1px solid rgba(46,196,182,0.2); border-radius:8px; font-size:0.9rem; color:var(--secondary-dark); transition:all var(--transition); }
.b2b-venue-nav a:hover { background:rgba(46,196,182,0.15); transform:translateY(-1px); }

.b2b-logo-strip { display:flex; align-items:center; gap:1.5rem; padding:1rem 0; justify-content:center; flex-wrap:wrap; margin:1.5rem 0; }
.b2b-venue-icon {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--dark-2);
  padding: 0.5rem 0.9rem;
  border-radius: 10px;
  background: var(--white);
  border: 1px solid rgba(0,0,0,0.06);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.b2b-venue-icon:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.b2b-venue-icon .vi-emoji { font-size:1.4rem; }

.b2b-social-proof { text-align:center; margin:0.8rem 0; font-size:0.9rem; color:var(--primary-dark); font-weight:600; }

.b2b-anchor-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--secondary);
  font-size: 0.92rem;
  font-weight: 500;
  margin: 1rem 0;
  padding: 6px 14px;
  border-radius: 50px;
  background: rgba(46,196,182,0.06);
  transition: all var(--transition);
}
.b2b-anchor-link:hover {
  color: var(--secondary-dark);
  background: rgba(46,196,182,0.12);
  transform: translateX(4px);
}
.b2b-anchor-link::after { content:'→'; font-size:0.85rem; transition: transform 0.3s ease; }
.b2b-anchor-link:hover::after { transform: translateX(3px); }

.b2b-pain-card { border-left:4px solid var(--primary); padding:1.5rem 1.8rem; margin:1.5rem 0; background:var(--white); border-radius:0 14px 14px 0; box-shadow:var(--shadow-md); position:relative; overflow:hidden; transition:transform 0.35s ease, box-shadow 0.35s ease; }
.b2b-pain-card::before { content:""; position:absolute; top:0; left:0; right:0; height:3px; background:var(--gradient-brand); opacity:0; transition:opacity 0.35s ease; }
.b2b-pain-card:hover { transform:translateY(-3px); box-shadow:var(--shadow-lg); }
.b2b-pain-card:hover::before { opacity: 1; }
.b2b-pain-card h4 { color:var(--primary-dark); margin-bottom:0.5rem; font-size:1.1rem; }
.b2b-pain-card p { color:var(--dark-2); line-height:1.7; }
.b2b-pain-loss { font-size:0.85rem; color:var(--danger); margin-top:0.6rem; font-weight:600; padding:0.5rem 0.8rem; background:rgba(192,57,43,0.06); border-radius:8px; }

.b2b-cat-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin: 1.5rem 0;
  font-size: 0.9rem;
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}
.b2b-cat-table th, .b2b-cat-table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid rgba(0,0,0,0.06);
  border-right: 1px solid rgba(0,0,0,0.04);
}
.b2b-cat-table th:last-child, .b2b-cat-table td:last-child { border-right: none; }
.b2b-cat-table th {
  background: var(--dark);
  color: #fff;
  font-weight: 600;
  font-size: 0.88rem;
  letter-spacing: 0.5px;
}
.b2b-cat-table td {
  background: var(--white);
  transition: background 0.2s ease;
}
.b2b-cat-table tr:hover td {
  background: rgba(255,140,66,0.04);
}
.b2b-cat-table tr:last-child td { border-bottom: none; }
.b2b-cat-table td:first-child { font-weight: 600; color: var(--primary-dark); }
/* 第一列中超能呜啦噜行高亮 */
.b2b-cat-table td:first-child + td {
  background: rgba(255,140,66,0.03);
  font-weight: 500;
}

.b2b-layer-list { list-style:none; padding:0; counter-reset:layer; }
.b2b-layer-list li {
  counter-increment: layer;
  padding: 1.2rem 1.4rem 1.2rem 3.2rem;
  margin: 1rem 0;
  background: var(--white);
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: var(--radius-sm);
  position: relative;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  box-shadow: var(--shadow-md);
}
.b2b-layer-list li:hover {
  transform: translateX(6px);
  box-shadow: var(--shadow-lg);
}
.b2b-layer-list li::before {
  content: counter(layer);
  position: absolute;
  left: 0.9rem;
  top: 1rem;
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--primary);
  opacity: 0.3;
}
.b2b-layer-list li strong { color: var(--dark); }
.b2b-layer-roi { font-size: 0.85rem; color: var(--secondary-dark); margin-top: 0.5rem; padding: 6px 12px; background: rgba(46,196,182,0.06); border-radius: 8px; }

.b2b-scenario-card { padding:1.5rem; margin:1.5rem 0; border-radius:var(--radius); border:1px solid rgba(0,0,0,0.06); }
.b2b-scenario-card.story-entry { background:linear-gradient(135deg,rgba(46,196,182,0.06),rgba(255,140,66,0.03)); }
.b2b-scenario-card.cost-entry { background:linear-gradient(135deg,rgba(247,184,1,0.06),rgba(255,140,66,0.03)); }
.b2b-scenario-card.policy-entry { background:linear-gradient(135deg,rgba(26,26,46,0.04),rgba(46,196,182,0.03)); }
.b2b-scenario-card.default-entry { background:rgba(0,0,0,0.02); }
.b2b-scenario-entry { font-size:1.05rem; font-weight:600; color:var(--primary-dark); margin-bottom:0.8rem; }

.b2b-pricing-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(280px,1fr)); gap:1.2rem; margin:1.5rem 0; }
.b2b-price-card {
  padding: 1.8rem;
  border-radius: var(--radius);
  border: 2px solid rgba(0,0,0,0.06);
  position: relative;
  background: var(--white);
  box-shadow: var(--shadow-md);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}
.b2b-price-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.b2b-price-card.recommended {
  border-color: var(--primary);
  background: rgba(255,140,66,0.03);
  transform: scale(1.03);
  box-shadow: 0 12px 40px rgba(255,140,66,0.18);
  z-index: 2;
}
.b2b-price-badge {
  display: inline-block;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: var(--white);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 6px 18px;
  border-radius: 50px;
  margin-bottom: 12px;
}
.b2b-price-name { font-size:1.25rem; font-weight:800; color:var(--dark); margin-bottom:0.4rem; }
.b2b-price-amount { font-size:2rem; font-weight:900; color:var(--primary); line-height:1.2; }
.b2b-price-amount small { font-size:0.85rem; color:var(--gray); font-weight:400; }
.b2b-price-monthly { font-size:0.88rem; color:var(--secondary-dark); margin-bottom:1rem; font-weight:500; }
.b2b-price-features { list-style:none; padding:0; font-size:0.88rem; margin-bottom:0.5rem; }
.b2b-price-features li { padding:0.4rem 0; padding-left:1.4rem; position:relative; line-height:1.6; }
.b2b-price-features li::before { content:'✓'; position:absolute; left:0; color:var(--secondary); font-weight:700; font-size:0.85rem; }
.b2b-price-fit { font-size:0.82rem; color:var(--gray); margin-top:1rem; padding-top:0.8rem; border-top:1px solid rgba(0,0,0,0.08); line-height:1.6; }

.b2b-value-anchor { padding:1.5rem; margin:1.5rem 0; border-radius:var(--radius); background:rgba(255,140,66,0.12); border:2px solid rgba(255,140,66,0.25); text-align:center; }
.b2b-value-anchor h4 { color:var(--primary-dark); margin-bottom:0.5rem; }

.b2b-risk-reversal {
  padding: 1.8rem;
  margin: 1.5rem 0;
  border-radius: var(--radius);
  background: var(--white);
  border: 2px solid var(--secondary);
  box-shadow: 0 8px 24px rgba(46,196,182,0.12);
  text-align: center;
  position: relative;
}
.b2b-risk-reversal::before {
  content: "🛡️";
  position: absolute;
  left: 20px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.4rem;
  opacity: 0.5;
}
.b2b-risk-reversal strong { font-size: 1.15rem; color: var(--secondary-dark); }
.b2b-risk-reversal p { color: var(--dark-2); line-height: 1.7; }

.b2b-faq-list { list-style:none; padding:0; }
.b2b-faq-item {
  margin: 1rem 0;
  padding: 1.2rem 1.4rem;
  border-radius: var(--radius);
  background: var(--white);
  border: 1px solid rgba(0,0,0,0.06);
  cursor: pointer;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  position: relative;
  overflow: hidden;
}
.b2b-faq-item::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--secondary), var(--primary));
  opacity: 0;
  transition: opacity 0.3s ease;
}
.b2b-faq-item:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(46,196,182,0.15);
}
.b2b-faq-item:hover::before { opacity: 1; }
.b2b-faq-item.open {
  box-shadow: var(--shadow-md);
  border-color: rgba(46,196,182,0.2);
  background: rgba(46,196,182,0.03);
}
.b2b-faq-item.open::before { opacity: 1; }
.b2b-faq-q {
  font-weight: 700;
  color: var(--dark);
  font-size: 0.98rem;
  margin-bottom: 0.6rem;
  line-height: 1.5;
}
.b2b-faq-a {
  font-size: 0.92rem;
  color: var(--gray);
  line-height: 1.75;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, opacity 0.3s ease, color 0.3s ease;
  opacity: 0;
}
.b2b-faq-item.open .b2b-faq-a { color: var(--dark-2); max-height:500px; opacity:1; }
.b2b-faq-q::after {
  content: '＋';
  float: right;
  font-size: 1rem;
  color: var(--gray);
  transition: transform 0.3s ease, color 0.3s ease;
}
.b2b-faq-item.open .b2b-faq-q::after { content:'－'; color:var(--secondary); transform: rotate(90deg); }

.b2b-ext-link {
  color: var(--secondary);
  text-decoration: underline;
  text-decoration-color: rgba(46,196,182,0.3);
  text-underline-offset: 3px;
  transition: color 0.3s ease, text-decoration-color 0.3s ease;
}
.b2b-ext-link:hover {
  color: var(--secondary-dark);
  text-decoration-color: var(--secondary);
}

.b2b-cta-triple { display:flex; gap:0.8rem; flex-wrap:wrap; margin:1rem 0; }
.b2b-note { font-size:0.82rem; color:var(--gray); margin-top:0.5rem; }

.b2b-comparison-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(200px,1fr)); gap:0.8rem; margin:1.5rem 0; }

.b2b-engine-item { padding:1rem; border-radius:var(--radius-sm); background:rgba(0,0,0,0.02); border:1px solid rgba(0,0,0,0.06); }
.b2b-engine-item h4 { color:var(--primary-dark); margin-bottom:0.3rem; }

/* ====== 信任锚点区：3年经验 + AI成熟运用 ====== */
.b2b-trust-bar {
  padding: 80px 0;
  background: linear-gradient(135deg, #1A1A2E 0%, #2D2D44 50%, #1A1A2E 100%);
  position: relative;
  overflow: hidden;
}
.b2b-trust-bar::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(46,196,182,0.15) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.b2b-trust-bar::after {
  content: "";
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255,140,66,0.12) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.b2b-trust-inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 48px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.b2b-trust-text h2 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 16px;
  line-height: 1.3;
}
.b2b-trust-text h2 span {
  color: var(--secondary);
}
.b2b-trust-text p {
  color: rgba(255,255,255,0.8);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 12px;
}

.b2b-trust-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 24px;
}
.b2b-metric-card {
  background: rgba(255,255,255,0.06);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-sm);
  padding: 24px 20px;
  text-align: center;
  transition: transform 0.3s ease, background 0.3s ease, box-shadow 0.3s ease;
  box-shadow: 0 4px 16px rgba(0,0,0,0.2);
}
.b2b-metric-card:hover {
  transform: translateY(-6px);
  background: rgba(255,255,255,0.1);
  box-shadow: 0 12px 32px rgba(46,196,182,0.15);
}
.b2b-metric-num {
  font-size: 2rem;
  font-weight: 900;
  color: var(--secondary);
  line-height: 1.2;
}
.b2b-metric-label {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.65);
  margin-top: 4px;
}

/* 愿景/使命/理念 行 */
.b2b-vision-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.b2b-vision-item {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  box-shadow: 0 4px 16px rgba(26,26,46,0.04);
}
.b2b-vision-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(26,26,46,0.08);
}

/* 右侧：经验时间线 */
.b2b-trust-timeline {
  position: relative;
  padding-left: 28px;
}
.b2b-trust-timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--secondary), var(--primary));
  border-radius: 1px;
}
.b2b-tl-item {
  position: relative;
  margin-bottom: 20px;
}
.b2b-tl-item:last-child { margin-bottom: 0; }
.b2b-tl-dot {
  position: absolute;
  left: -24px;
  top: 4px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--secondary-dark);
  border: 3px solid #1A1A2E;
  z-index: 1;
}
.b2b-tl-item:nth-child(2) .b2b-tl-dot { background: var(--primary); }
.b2b-tl-item:nth-child(3) .b2b-tl-dot { background: var(--accent); }
.b2b-tl-year {
  font-size: 0.78rem;
  color: var(--secondary);
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 4px;
}
.b2b-tl-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 4px;
}
.b2b-tl-desc {
  font-size: 0.84rem;
  color: rgba(255,255,255,0.65);
  line-height: 1.7;
}

/* Hero Stats 增强卡片化 */
.b2b-hero-stats {
  display: flex;
  gap: 16px;
  margin: 24px 0;
  flex-wrap: wrap;
}
.b2b-stat {
  flex: 1;
  min-width: 140px;
  background: rgba(255,255,255,0.7);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,140,66,0.15);
  border-radius: var(--radius-sm);
  padding: 16px 14px;
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.b2b-stat:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(255,140,66,0.15);
}
.b2b-stat strong {
  display: block;
  font-size: 1.5rem;
  color: var(--primary-dark);
  font-weight: 900;
  line-height: 1.2;
}
.b2b-stat span {
  display: block;
  font-size: 0.78rem;
  color: var(--gray);
  margin-top: 4px;
  line-height: 1.4;
}

/* Pain Card 增强 */
.b2b-pain-card {
  background: var(--white);
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: var(--radius);
  padding: 28px 24px;
  margin-bottom: 16px;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  position: relative;
  overflow: hidden;
}
.b2b-pain-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--primary), var(--secondary));
  opacity: 0;
  transition: opacity 0.3s ease;
}
.b2b-pain-card:hover {
  transform: translateX(6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(255,140,66,0.2);
}
.b2b-pain-card:hover::before { opacity: 1; }

.b2b-pain-card h4 {
  font-size: 1.1rem;
  color: var(--dark);
  margin-bottom: 12px;
  font-weight: 700;
}
.b2b-pain-card p {
  font-size: 0.94rem;
  color: var(--dark-2);
  line-height: 1.75;
  margin-bottom: 8px;
}
.b2b-pain-loss {
  font-size: 1rem;
  color: #DC2626;
  font-weight: 700;
  padding: 10px 14px;
  background: rgba(220,38,38,0.08);
  border-radius: 8px;
  border-left: 4px solid #DC2626;
  margin-top: 12px;
}

/* Scenario Card 增强 */
.b2b-scenario-card {
  background: var(--white);
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: var(--radius);
  padding: 32px 28px;
  margin-bottom: 24px;
  transition: box-shadow 0.3s ease, border-color 0.3s ease;
  position: relative;
}
.b2b-scenario-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: rgba(46,196,182,0.2);
}
.b2b-scenario-entry {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--dark);
  line-height: 1.5;
  margin-bottom: 16px;
  padding-left: 16px;
  border-left: 3px solid var(--secondary);
}
.b2b-scenario-card.story-entry .b2b-scenario-entry { border-left-color: var(--primary); }
.b2b-scenario-card.cost-entry .b2b-scenario-entry { border-left-color: #F59E0B; }
.b2b-scenario-card.policy-entry .b2b-scenario-entry { border-left-color: var(--secondary); }

/* Pricing 推荐卡强化 */
.b2b-price-card.recommended {
  border: 3px solid var(--secondary);
  background: linear-gradient(135deg, rgba(46,196,182,0.08), rgba(46,196,182,0.02));
  transform: scale(1.05);
  box-shadow: 0 14px 44px rgba(46,196,182,0.22);
  position: relative;
  z-index: 2;
}
.b2b-price-badge {
  position: absolute;
  top: 0; left: 0; right: 0;
  background: var(--secondary);
  color: #fff;
  font-size: 0.88rem;
  padding: 10px;
  text-align: center;
  font-weight: 700;
  border-radius: 12px 12px 0 0;
}

/* Section间距优化 — 增加呼吸感 */
#pain-points { padding: 80px 0; }
#category { padding: 90px 0; }
#five-layers { padding: 85px 0; }
#aigc-writer { padding: 90px 0; }
#scenarios { padding: 85px 0; }
#engines { padding: 85px 0; }
#pricing { padding: 90px 0; }
#comparison { padding: 80px 0; }
#faq { padding: 85px 0; }

/* AIGC Card 增强 */
.aigc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin: 24px 0;
}
.aigc-card {
  background: var(--white);
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: var(--radius);
  padding: 28px 22px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  position: relative;
  overflow: hidden;
}
.aigc-card::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  transform: scaleX(0);
  transition: transform 0.3s ease;
}
.aigc-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.aigc-card:hover::after { transform: scaleX(1); }

/* 引擎Item增强 */
.b2b-engine-item {
  padding: 24px 20px;
  border-radius: var(--radius);
  background: var(--white);
  border: 1px solid rgba(0,0,0,0.06);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.b2b-engine-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

/* B2B 响应式 */
/* Hero右侧效果证明小卡片 */
.b2b-hero-proof-cards {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 20px;
}
.b2b-proof-mini {
  padding: 12px 16px;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(8px);
  border-radius: 12px;
  box-shadow: 0 4px 16px rgba(26,26,46,0.06);
  border: 1px solid rgba(0,0,0,0.04);
  font-size: 0.88rem;
  color: var(--dark-2);
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.b2b-proof-mini:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(26,26,46,0.1);
}
.b2b-proof-mini strong {
  color: var(--secondary);
  font-size: 1.1rem;
  display: block;
  margin-top: 4px;
  font-weight: 800;
}

/* FAQ → CTA 转化桥 */
.b2b-faq-cta-bridge {
  text-align: center;
  margin: 2rem 0 0;
  padding: 1.5rem;
  background: linear-gradient(135deg, rgba(46,196,182,0.08), rgba(255,140,66,0.04));
  border-radius: var(--radius);
  border: 1px solid rgba(46,196,182,0.15);
}
.b2b-bridge-text { font-size: 1.05rem; color: var(--dark-2); }
.b2b-bridge-text a.btn { margin-top: 0.6rem; }

/* FAQ内联微CTA */
.b2b-faq-inline-cta {
  display: inline-block;
  margin-top: 0.5rem;
  padding: 0.4rem 1rem;
  background: var(--secondary);
  color: #fff;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  transition: all 0.3s ease;
}
.b2b-faq-inline-cta:hover {
  background: var(--secondary-dark);
  transform: translateY(-1px);
}
@media (max-width:1024px) {
  .b2b-pricing-grid { grid-template-columns:1fr 1fr; }
  .b2b-comparison-grid { grid-template-columns:1fr 1fr; }
  .b2b-cat-table { font-size:0.82rem; }
  .b2b-cat-table th, .b2b-cat-table td { padding:0.5rem 0.6rem; }
  .b2b-trust-inner { grid-template-columns:1fr; gap:32px; }
  .b2b-trust-timeline { max-width:480px; margin:0 auto; }
}

@media (max-width:768px) {
  .b2b-hero-stats { flex-direction:column; gap:0.8rem; }
  .b2b-stat { min-width:auto; }
  .b2b-venue-nav { flex-direction:column; }
  .b2b-pricing-grid { grid-template-columns:1fr; }
  .b2b-cta-triple { flex-direction:column; }
  .b2b-comparison-grid { grid-template-columns:1fr; }
  .b2b-price-amount { font-size:1.5rem; }
  .b2b-cat-table { font-size:0.8rem; }
  .b2b-cat-table th, .b2b-cat-table td { padding:0.4rem 0.5rem; }
  .b2b-pain-card { padding:0.8rem 1rem; }
  .b2b-scenario-card { padding:1rem; }
  .b2b-hero-proof-cards { display:none; }
  .b2b-price-card.recommended { transform:scale(1); }
  .b2b-faq-cta-bridge { padding:1rem; }
}

@media (max-width:480px) {
  .b2b-hero-stats { gap:0.5rem; }
  .b2b-stat strong { font-size:1.3rem; }
  .b2b-stat span { font-size:0.78rem; }
  .b2b-logo-strip { gap:0.8rem; }
  .b2b-venue-icon { font-size:0.78rem; padding:0.3rem 0.5rem; }
  .b2b-venue-icon .vi-emoji { font-size:1.1rem; }
  .b2b-price-amount { font-size:1.3rem; }
  .b2b-price-name { font-size:1rem; }
}