/* ========================================
   乐刷传统大机 - CSS样式文件
   极速鲜活力 - 鲜柠绿+速达橙+极速青点缀
   ======================================== */

/* 1. 基础样式 reset+字体 */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@400;500;600;700;800&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
  --lime: #65A30D;
  --lime-dark: #4D7C0F;
  --lime-deep: #3F6212;
  --lime-bg: #3F6212;
  --lime-light: #F7FEE7;
  --lime-lighter: #ECFCCB;
  --speed-orange: #F97316;
  --speed-orange-dark: #EA580C;
  --quick-cyan: #06B6D4;
  --quick-cyan-dark: #0891B2;
  --bg-white: #FFFFFF;
  --bg-page: #F7FEE7;
  --bg-light: #ECFCCB;
  --text-dark: #3F6212;
  --text-body: #334155;
  --text-muted: #64748B;
  --text-light: #94A3B8;
  --border: #E5E7EB;
  --card-shadow: 0 2px 8px rgba(101,163,13,0.08);
  --shadow-md: 0 8px 24px rgba(101,163,13,0.12);
  --radius: 10px;
  --radius-sm: 6px;
  --transition: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Sans SC', 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-body);
  background: var(--bg-white);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-dark);
}

a {
  color: var(--lime);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--lime-dark);
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.text-center {
  text-align: center;
}

/* 2. 导航栏（白色，滚动鲜柠绿阴影） */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 70px;
  background: rgba(255,255,255,0.98);
  z-index: 1000;
  transition: var(--transition);
}

.navbar.scrolled {
  box-shadow: 0 2px 20px rgba(101,163,13,0.12);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 24px;
  color: var(--lime);
}

.navbar-logo span {
  font-family: 'Outfit', sans-serif;
  letter-spacing: 1px;
}

.navbar-menu {
  display: flex;
  align-items: center;
  gap: 32px;
}

.navbar-menu a {
  font-weight: 500;
  font-size: 15px;
  color: var(--text-body);
  padding: 8px 0;
  position: relative;
}

.navbar-menu a:hover,
.navbar-menu a.active {
  color: var(--lime);
}

.navbar-menu a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--lime);
  transition: var(--transition);
}

.navbar-menu a:hover::after,
.navbar-menu a.active::after {
  width: 100%;
}

.navbar-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 24px;
  background: linear-gradient(135deg, var(--lime) 0%, var(--lime-dark) 100%);
  color: white !important;
  font-weight: 600;
  font-size: 14px;
  border-radius: 50px;
  box-shadow: 0 4px 15px rgba(101,163,13,0.3);
}

.navbar-cta::after {
  display: none !important;
}

.navbar-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(101,163,13,0.4);
  color: white !important;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 10px;
}

.hamburger span {
  display: block;
  width: 25px;
  height: 3px;
  background: var(--lime);
  border-radius: 3px;
  transition: var(--transition);
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 70px;
  left: 0;
  right: 0;
  background: white;
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
  padding: 20px;
  z-index: 999;
}

.mobile-menu.active {
  display: block;
}

.mobile-menu a {
  display: block;
  padding: 15px 0;
  color: var(--text-body);
  font-weight: 500;
  border-bottom: 1px solid var(--border);
}

.mobile-menu a:hover,
.mobile-menu a.active {
  color: var(--lime);
}

.mobile-menu .mobile-cta {
  display: inline-block;
  margin-top: 15px;
  padding: 12px 30px;
  background: var(--lime);
  color: white !important;
  border-radius: 50px;
  font-weight: 600;
}

/* 3. 页脚（鲜柠绿渐变） */
.footer {
  background: linear-gradient(135deg, var(--lime) 0%, var(--lime-deep) 100%);
  padding: 60px 0 0;
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  padding-bottom: 40px;
}

.footer-brand {
  color: white;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 28px;
  font-weight: 800;
  color: white;
  margin-bottom: 20px;
}

.footer-slogan {
  font-size: 16px;
  color: rgba(255,255,255,0.85);
  line-height: 1.8;
}

.footer-links h4 {
  color: white;
  font-size: 18px;
  margin-bottom: 20px;
}

.footer-links ul {
  list-style: none;
}

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  color: rgba(255,255,255,0.8);
  font-size: 14px;
}

.footer-links a:hover {
  color: white;
}

.footer-bottom {
  background: var(--lime-deep);
  padding: 20px 0;
  text-align: center;
}

.footer-info {
  font-size: 12px;
  color: rgba(255,255,255,0.6);
  line-height: 2;
}

.footer-info a {
  color: rgba(255,255,255,0.8);
}

/* 4. 公共组件：鲜柠绿卡片/速达橙细线/极速青强调 */
.section {
  padding: 80px 0;
}

.section-title {
  font-size: 36px;
  font-weight: 800;
  text-align: center;
  margin-bottom: 16px;
  color: var(--text-dark);
}

.section-subtitle {
  font-size: 16px;
  color: var(--text-muted);
  text-align: center;
  max-width: 700px;
  margin: 0 auto 50px;
  line-height: 1.8;
}

/* 鲜柠绿卡片 */
.lime-card {
  background: white;
  border-radius: var(--radius);
  padding: 30px;
  box-shadow: var(--card-shadow);
  border-top: 4px solid var(--lime);
  transition: var(--transition);
}

.lime-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

/* 速达橙顶部装饰卡片 */
.orange-card {
  background: white;
  border-radius: var(--radius);
  padding: 30px;
  box-shadow: var(--card-shadow);
  border-top: 4px solid var(--speed-orange);
  transition: var(--transition);
}

.orange-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 24px rgba(249,115,22,0.15);
}

/* 极速青顶部装饰卡片 */
.cyan-card {
  background: white;
  border-radius: var(--radius);
  padding: 30px;
  box-shadow: var(--card-shadow);
  border-top: 4px solid var(--quick-cyan);
  transition: var(--transition);
}

.cyan-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 24px rgba(6,182,212,0.15);
}

/* 产品卡片（鲜柠绿顶部+速达橙底部细线） */
.product-card {
  background: white;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--card-shadow);
  transition: var(--transition);
  border-top: 4px solid var(--lime);
  position: relative;
}

.product-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--speed-orange) 0%, var(--speed-orange-dark) 100%);
}

.product-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.product-card-content {
  padding: 30px;
}

.product-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: rgba(249,115,22,0.1);
  color: var(--speed-orange);
  font-size: 13px;
  font-weight: 600;
  border-radius: 50px;
  margin-right: 8px;
  margin-bottom: 8px;
}

.product-badge.cyan {
  background: rgba(6,182,212,0.1);
  color: var(--quick-cyan);
}

.product-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 30px;
  background: linear-gradient(135deg, var(--lime) 0%, var(--lime-dark) 100%);
  color: white;
  font-weight: 600;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 15px rgba(101,163,13,0.3);
}

.product-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(101,163,13,0.4);
}

/* 按钮样式 */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background: linear-gradient(135deg, var(--speed-orange) 0%, var(--speed-orange-dark) 100%);
  color: white;
  font-weight: 700;
  font-size: 16px;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 15px rgba(249,115,22,0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(249,115,22,0.4);
  color: white;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background: transparent;
  color: white;
  font-weight: 600;
  font-size: 16px;
  border-radius: 50px;
  border: 2px solid white;
  cursor: pointer;
  transition: var(--transition);
}

.btn-secondary:hover {
  background: white;
  color: var(--lime);
}

/* 标签徽章 */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: rgba(255,255,255,0.2);
  color: white;
  font-size: 14px;
  font-weight: 600;
  border-radius: 50px;
}

/* 5. 首页专属：Hero(闪电+开箱)/秒到账/即开即用/产品/四品牌秒到对比 */
/* Hero区 */
.hero {
  padding: 140px 0 100px;
  background: linear-gradient(135deg, var(--lime) 0%, var(--lime-dark) 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 60%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
  pointer-events: none;
}

.hero-badge {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 30px;
  flex-wrap: wrap;
}

.hero-badge span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(10px);
  color: white;
  font-size: 14px;
  font-weight: 600;
  border-radius: 50px;
  border: 1px solid rgba(255,255,255,0.2);
}

.hero-title {
  font-size: 48px;
  font-weight: 800;
  color: white;
  text-align: center;
  margin-bottom: 20px;
  line-height: 1.2;
}

.hero-subtitle {
  font-size: 18px;
  color: rgba(255,255,255,0.8);
  text-align: center;
  max-width: 700px;
  margin: 0 auto 50px;
  line-height: 1.8;
}

/* 动画区域 */
.hero-animation {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 40px;
  margin: 50px 0;
  flex-wrap: wrap;
}

.animation-box {
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(10px);
  border-radius: 20px;
  padding: 40px;
  text-align: center;
  border: 1px solid rgba(255,255,255,0.2);
  min-width: 280px;
}

.animation-icon {
  font-size: 80px;
  margin-bottom: 20px;
}

.animation-title {
  color: white;
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 10px;
}

.animation-desc {
  color: rgba(255,255,255,0.7);
  font-size: 14px;
}

.animation-connector {
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 20px;
  font-weight: 700;
  padding: 20px;
}

.hero-result {
  text-align: center;
  margin: 40px 0;
  padding: 25px;
  background: rgba(255,255,255,0.1);
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,0.2);
}

.hero-result-text {
  color: white;
  font-size: 20px;
  font-weight: 700;
}

.hero-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 40px;
  flex-wrap: wrap;
}

/* 秒到闪电动画 - 金币极速飞入钱包 */
.lightning-animation {
  position: relative;
  width: 120px;
  height: 120px;
  margin: 0 auto 20px;
}

.lightning-icon {
  font-size: 60px;
  animation: lightning-pulse 1s ease-in-out infinite;
}

.coin {
  position: absolute;
  font-size: 30px;
  animation: coin-fly 1.5s ease-in-out infinite;
}

.coin:nth-child(2) { animation-delay: 0.3s; top: 20%; left: 10%; }
.coin:nth-child(3) { animation-delay: 0.6s; top: 40%; right: 10%; }
.coin:nth-child(4) { animation-delay: 0.9s; top: 60%; left: 20%; }

.wallet {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  font-size: 50px;
}

@keyframes lightning-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.7; transform: scale(1.1); }
}

@keyframes coin-fly {
  0% { transform: translate(0, 0) scale(1); opacity: 1; }
  50% { transform: translate(var(--fly-x, 0), var(--fly-y, -50px)) scale(0.8); opacity: 0.8; }
  100% { transform: translate(var(--fly-end-x, 0), var(--fly-end-y, 80px)) scale(0.5); opacity: 0; }
}

.coin:nth-child(2) { --fly-x: 30px; --fly-y: -40px; --fly-end-x: 0px; --fly-end-y: 50px; }
.coin:nth-child(3) { --fly-x: -20px; --fly-y: -50px; --fly-end-x: 0px; --fly-end-y: 50px; }
.coin:nth-child(4) { --fly-x: 10px; --fly-y: -30px; --fly-end-x: 0px; --fly-end-y: 50px; }

/* 开箱即用动画 - 首创 */
.box-animation {
  position: relative;
  width: 120px;
  height: 120px;
  margin: 0 auto 20px;
}

.box {
  font-size: 60px;
  animation: box-open 2s ease-in-out infinite;
}

.box-lid {
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 50px;
  animation: lid-bounce 2s ease-in-out infinite;
}

.device {
  position: absolute;
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 40px;
  opacity: 0;
  animation: device-appear 2s ease-in-out infinite;
}

.sparkle {
  position: absolute;
  font-size: 20px;
  opacity: 0;
  animation: sparkle-glow 2s ease-in-out infinite;
}

.sparkle:nth-child(4) { top: 10%; left: 10%; animation-delay: 0.5s; }
.sparkle:nth-child(5) { top: 20%; right: 15%; animation-delay: 0.8s; }
.sparkle:nth-child(6) { bottom: 30%; left: 5%; animation-delay: 1.1s; }

@keyframes box-open {
  0%, 100% { transform: scale(1); }
  30% { transform: scale(1.1); }
}

@keyframes lid-bounce {
  0%, 30% { transform: translateX(-50%) translateY(0) rotate(0deg); opacity: 1; }
  50% { transform: translateX(-50%) translateY(-30px) rotate(-20deg); opacity: 0.5; }
  100% { transform: translateX(-50%) translateY(0) rotate(0deg); opacity: 1; }
}

@keyframes device-appear {
  0%, 40% { opacity: 0; transform: translateX(-50%) translateY(20px); }
  70%, 100% { opacity: 1; transform: translateX(-50%) translateY(0); }
}

@keyframes sparkle-glow {
  0%, 50% { opacity: 0; transform: scale(0.5); }
  70%, 100% { opacity: 1; transform: scale(1); }
}

/* 优势卡片网格 */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.features-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}

.features-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.feature-icon {
  font-size: 48px;
  margin-bottom: 20px;
}

.feature-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-dark);
}

.feature-content {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.7;
}

.feature-highlight {
  margin-top: 16px;
  padding: 16px;
  background: var(--lime-light);
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--lime-dark);
  font-weight: 500;
}

/* 产品展示区 */
.products-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
  max-width: 900px;
  margin: 0 auto;
}

.product-icon {
  font-size: 80px;
  margin-bottom: 20px;
}

.product-name {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 8px;
}

.product-model {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.product-features {
  list-style: none;
  margin: 20px 0;
}

.product-features li {
  padding: 8px 0;
  font-size: 14px;
  color: var(--text-body);
  display: flex;
  align-items: center;
  gap: 8px;
}

.product-features li::before {
  content: '✓';
  color: var(--lime);
  font-weight: 700;
}

/* 四品牌对比 */
.brand-compare {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.brand-card {
  padding: 30px;
  border-radius: var(--radius);
  text-align: center;
}

.brand-card.lime {
  background: var(--lime);
  color: white;
}

.brand-card.purple {
  background: linear-gradient(135deg, #A21CAF 0%, #86198F 100%);
  color: white;
}

.brand-card.red {
  background: linear-gradient(135deg, #C41230 0%, #9B2C2C 100%);
  color: white;
}

.brand-card.teal {
  background: linear-gradient(135deg, #047857 0%, #065F46 100%);
  color: white;
}

.brand-icon {
  font-size: 48px;
  margin-bottom: 16px;
}

.brand-name {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 16px;
}

.brand-points {
  list-style: none;
  font-size: 14px;
  line-height: 1.8;
}

.brand-points li {
  margin-bottom: 8px;
}

.brand-conclusion {
  margin-top: 40px;
  padding: 24px;
  background: var(--lime-light);
  border-radius: var(--radius);
  text-align: center;
  font-size: 15px;
  color: var(--lime-dark);
  font-weight: 500;
  line-height: 1.8;
}

/* CTA申请区 */
.cta-section {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--lime) 0%, var(--lime-dark) 100%);
}

.cta-title {
  font-size: 36px;
  font-weight: 800;
  color: white;
  text-align: center;
  margin-bottom: 20px;
}

.cta-advantages {
  display: flex;
  justify-content: center;
  gap: 30px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.cta-advantages span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: rgba(255,255,255,0.15);
  color: white;
  font-weight: 600;
  border-radius: 50px;
}

.cta-form {
  max-width: 500px;
  margin: 0 auto;
  padding: 40px;
  background: var(--lime-deep);
  border-radius: var(--radius);
}

.cta-form input,
.cta-form select {
  width: 100%;
  padding: 14px 18px;
  margin-bottom: 16px;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-family: inherit;
}

.cta-form input {
  background: white;
  color: var(--text-dark);
}

.cta-form select {
  background: white;
  color: var(--text-dark);
}

.cta-form button {
  width: 100%;
  padding: 16px;
  background: linear-gradient(135deg, var(--speed-orange) 0%, var(--speed-orange-dark) 100%);
  color: white;
  font-size: 16px;
  font-weight: 700;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
}

.cta-form button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(249,115,22,0.4);
}

.cta-tips {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 20px;
  font-size: 13px;
  color: rgba(255,255,255,0.7);
  flex-wrap: wrap;
}

/* 6. 传统大机页专属 */
.page-hero {
  padding: 120px 0 80px;
  text-align: center;
}

.page-hero.lime-bg {
  background: linear-gradient(135deg, var(--lime) 0%, var(--lime-dark) 100%);
}

.page-hero.orange-bg {
  background: linear-gradient(135deg, var(--speed-orange) 0%, var(--speed-orange-dark) 100%);
}

.page-hero.cyan-bg {
  background: linear-gradient(135deg, var(--quick-cyan) 0%, var(--quick-cyan-dark) 100%);
}

.page-hero h1 {
  font-size: 56px;
  font-weight: 800;
  color: white;
  margin-bottom: 16px;
}

.page-hero.lime-bg h1,
.page-hero.cyan-bg h1 {
  color: white;
}

.page-hero.orange-bg h1 {
  color: white;
}

.page-hero p {
  font-size: 18px;
  color: rgba(255,255,255,0.85);
}

/* 5大核心功能 */
.core-features {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 24px;
}

.core-feature {
  text-align: center;
  padding: 30px 20px;
  background: white;
  border-radius: var(--radius);
  box-shadow: var(--card-shadow);
  border-top: 4px solid var(--lime);
  transition: var(--transition);
}

.core-feature:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.core-feature-icon {
  font-size: 48px;
  margin-bottom: 16px;
}

.core-feature-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-dark);
}

/* 乐刷6款产品线对比 */
.product-line-compare {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
}

.product-line-card {
  padding: 24px 16px;
  border-radius: var(--radius);
  text-align: center;
  transition: var(--transition);
}

.product-line-card:hover {
  transform: translateY(-5px);
}

.product-line-card.blue { background: linear-gradient(135deg, #1E40AF 0%, #1E3A8A 100%); color: white; }
.product-line-card.violet { background: linear-gradient(135deg, #7C3AED 0%, #6D28D9 100%); color: white; }
.product-line-card.teal { background: linear-gradient(135deg, #14B8A6 0%, #0D9488 100%); color: white; }
.product-line-card.amber { background: linear-gradient(135deg, #B45309 0%, #92400E 100%); color: white; }
.product-line-card.purple { background: linear-gradient(135deg, #7E22CE 0%, #6B21A8 100%); color: white; }
.product-line-card.lime { background: linear-gradient(135deg, var(--lime) 0%, var(--lime-dark) 100%); color: white; }

.product-line-icon {
  font-size: 36px;
  margin-bottom: 12px;
}

.product-line-name {
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 8px;
}

.product-line-desc {
  font-size: 12px;
  opacity: 0.85;
  line-height: 1.5;
}

.product-line-tag {
  display: inline-block;
  margin-top: 12px;
  padding: 4px 12px;
  background: rgba(255,255,255,0.2);
  border-radius: 50px;
  font-size: 11px;
  font-weight: 600;
}

/* 三方对比表格 */
.compare-table {
  width: 100%;
  border-collapse: collapse;
  background: white;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--card-shadow);
}

.compare-table th {
  padding: 16px 20px;
  text-align: left;
  font-weight: 700;
  font-size: 14px;
  background: var(--lime);
  color: white;
}

.compare-table th:not(:first-child) {
  text-align: center;
}

.compare-table td {
  padding: 14px 20px;
  font-size: 14px;
  border-bottom: 1px solid var(--border);
}

.compare-table td:not(:first-child) {
  text-align: center;
}

.compare-table tr:last-child td {
  border-bottom: none;
}

.compare-table tr:hover {
  background: var(--lime-light);
}

.compare-highlight {
  color: var(--lime);
  font-weight: 600;
}

.compare-good {
  color: var(--lime);
}

.compare-bad {
  color: #EF4444;
}

.compare-warn {
  color: var(--speed-orange);
}

/* 产品详情 */
.product-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  padding: 40px;
  background: white;
  border-radius: var(--radius);
  box-shadow: var(--card-shadow);
  margin-bottom: 40px;
}

.product-detail-icon {
  font-size: 150px;
  text-align: center;
}

.product-detail-info h3 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 12px;
}

.product-detail-model {
  display: inline-block;
  padding: 6px 16px;
  background: var(--lime-light);
  color: var(--lime);
  font-size: 14px;
  font-weight: 600;
  border-radius: 50px;
  margin-bottom: 20px;
}

.product-detail-params {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin: 20px 0;
}

.param-item {
  padding: 12px 16px;
  background: var(--bg-page);
  border-radius: var(--radius-sm);
  font-size: 14px;
}

.param-label {
  color: var(--text-muted);
  margin-bottom: 4px;
}

.param-value {
  font-weight: 600;
  color: var(--text-dark);
}

.product-detail-suitable {
  margin-top: 20px;
  padding: 16px;
  background: var(--lime-light);
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--lime-dark);
}

/* 7. 秒到账页专属（速达橙Hero背景） */
.secarrive-hero h1 {
  color: white;
}

/* 8. 即开即用页专属（极速青Hero背景） */
.quickstart-hero h1 {
  color: white;
}

/* 9. 关于页专属 */
.about-intro {
  max-width: 800px;
  margin: 0 auto 50px;
  text-align: center;
  font-size: 18px;
  line-height: 1.9;
  color: var(--text-body);
}

.brand-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  max-width: 800px;
  margin: 50px auto;
}

.stat-item {
  text-align: center;
  padding: 30px;
  background: white;
  border-radius: var(--radius);
  box-shadow: var(--card-shadow);
  border-top: 4px solid var(--lime);
}

.stat-icon {
  font-size: 48px;
  margin-bottom: 16px;
}

.stat-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 8px;
}

.stat-desc {
  font-size: 14px;
  color: var(--text-muted);
}

.brand-guarantee {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  max-width: 900px;
  margin: 50px auto;
}

.guarantee-item {
  text-align: center;
  padding: 30px;
  background: var(--lime-light);
  border-radius: var(--radius);
}

.guarantee-icon {
  font-size: 48px;
  margin-bottom: 16px;
}

.guarantee-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--lime-dark);
}

/* 10. FAQ手风琴 */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: white;
  border-radius: var(--radius);
  margin-bottom: 16px;
  box-shadow: var(--card-shadow);
  overflow: hidden;
}

.faq-question {
  padding: 20px 24px;
  font-weight: 600;
  font-size: 16px;
  color: var(--text-dark);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition);
}

.faq-question:hover {
  background: var(--lime-light);
}

.faq-question::before {
  content: 'Q';
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: var(--lime);
  color: white;
  font-size: 14px;
  font-weight: 700;
  border-radius: 50%;
  margin-right: 12px;
  flex-shrink: 0;
}

.faq-icon {
  transition: var(--transition);
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  padding: 0 24px 20px 64px;
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.7;
  display: none;
}

.faq-item.active .faq-answer {
  display: block;
}

/* 11. 滚动动画 */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* 12. 响应式 */
@media (max-width: 1024px) {
  .section-title {
    font-size: 32px;
  }
  
  .hero-title {
    font-size: 40px;
  }
  
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .features-grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .brand-compare {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .core-features {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .product-line-compare {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .navbar-menu {
    display: none;
  }
  
  .hamburger {
    display: flex;
  }
  
  .hero {
    padding: 120px 0 80px;
  }
  
  .hero-title {
    font-size: 32px;
  }
  
  .hero-subtitle {
    font-size: 16px;
  }
  
  .hero-animation {
    flex-direction: column;
    gap: 20px;
  }
  
  .animation-connector {
    transform: rotate(90deg);
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .section {
    padding: 60px 0;
  }
  
  .section-title {
    font-size: 28px;
  }
  
  .features-grid,
  .features-grid-2,
  .features-grid-4 {
    grid-template-columns: 1fr;
  }
  
  .products-grid {
    grid-template-columns: 1fr;
  }
  
  .brand-compare {
    grid-template-columns: 1fr;
  }
  
  .core-features {
    grid-template-columns: 1fr;
  }
  
  .product-line-compare {
    grid-template-columns: 1fr;
  }
  
  .product-detail {
    grid-template-columns: 1fr;
    padding: 24px;
  }
  
  .product-detail-icon {
    font-size: 100px;
  }
  
  .product-detail-params {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .page-hero h1 {
    font-size: 36px;
  }
  
  .cta-title {
    font-size: 28px;
  }
  
  .cta-form {
    padding: 24px;
  }
  
  .brand-stats,
  .brand-guarantee {
    grid-template-columns: 1fr;
  }
  
  .compare-table {
    font-size: 12px;
  }
  
  .compare-table th,
  .compare-table td {
    padding: 10px 8px;
  }
}