/* ================================================
   联动优势4G大机官网 - 共享样式文件
   深紫葡萄高级风 · 闪付蓝+秒批金点缀
   ================================================ */

/* ================================================
   CSS变量定义
   ================================================ */
:root {
  /* 深紫葡萄主色系 */
  --grape: #581C87;
  --grape-light: #7C3AED;
  --grape-dark: #3B0764;
  
  /* 闪付蓝点缀色 */
  --blue-flash: #0EA5E9;
  --blue-flash-dark: #0284C7;
  
  /* 秒批金点缀色 */
  --gold-approve: #F59E0B;
  --gold-approve-dark: #D97706;
  
  /* 背景与文字 */
  --bg-white: #FFFFFF;
  --bg-page: #F5F3FF;
  --bg-light: #EDE9FE;
  --text-dark: #3B0764;
  --text-body: #334155;
  --text-muted: #64748B;
  --text-light: #94A3B8;
  --border: #E5E7EB;
  
  /* 阴影与圆角 */
  --card-shadow: 0 2px 8px rgba(88,28,135,0.08);
  --shadow-md: 0 8px 24px rgba(88,28,135,0.12);
  --shadow-lg: 0 16px 48px rgba(88,28,135,0.16);
  --radius: 10px;
  --radius-sm: 6px;
  --radius-lg: 16px;
  
  /* 过渡动画 */
  --transition: all 0.3s ease;
  
  /* 字体 */
  --font-cn: 'Noto Sans SC', sans-serif;
  --font-en: 'DM Sans', sans-serif;
}

/* ================================================
   基础样式 Reset
   ================================================ */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-cn);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-body);
  background: var(--bg-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

ul, ol {
  list-style: none;
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  outline: none;
}

input, textarea, select {
  font-family: inherit;
  outline: none;
}

/* ================================================
   导航栏
   ================================================ */
.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(88,28,135,0.12);
}

.navbar-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.navbar-logo svg {
  width: 32px;
  height: 32px;
}

.navbar-logo span {
  font-family: var(--font-en);
  font-size: 20px;
  font-weight: 700;
  color: var(--grape);
  letter-spacing: -0.5px;
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.navbar-nav a {
  padding: 8px 16px;
  font-size: 15px;
  color: var(--text-body);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.navbar-nav a:hover {
  color: var(--grape);
  background: var(--bg-light);
}

.navbar-nav a.active {
  color: var(--grape);
  font-weight: 600;
}

.navbar-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 24px;
  background: linear-gradient(135deg, var(--grape) 0%, var(--grape-light) 100%);
  color: #fff !important;
  font-weight: 600;
  border-radius: var(--radius);
  transition: var(--transition);
  box-shadow: 0 4px 12px rgba(88,28,135,0.3);
}

.navbar-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(88,28,135,0.4);
}

/* 汉堡菜单按钮 */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  background: none;
}

.hamburger span {
  width: 24px;
  height: 2px;
  background: var(--text-dark);
  border-radius: 2px;
  transition: var(--transition);
}

/* 移动端导航 */
.mobile-nav {
  display: none;
  position: fixed;
  top: 70px;
  left: 0;
  right: 0;
  background: var(--bg-white);
  padding: 16px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
  z-index: 999;
}

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

.mobile-nav a {
  display: block;
  padding: 12px 16px;
  font-size: 15px;
  color: var(--text-body);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.mobile-nav a:hover,
.mobile-nav a.active {
  color: var(--grape);
  background: var(--bg-light);
}

.mobile-nav .mobile-cta {
  display: block;
  margin-top: 12px;
  padding: 12px 16px;
  background: linear-gradient(135deg, var(--grape) 0%, var(--grape-light) 100%);
  color: #fff !important;
  font-weight: 600;
  text-align: center;
  border-radius: var(--radius);
}

/* ================================================
   页脚
   ================================================ */
.footer {
  background: linear-gradient(180deg, var(--grape) 0%, var(--grape-dark) 100%);
  color: #fff;
  padding: 60px 24px 0;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-logo svg {
  width: 32px;
  height: 32px;
}

.footer-logo span {
  font-family: var(--font-en);
  font-size: 20px;
  font-weight: 700;
  color: #fff;
}

.footer-slogan {
  font-size: 15px;
  color: rgba(255,255,255,0.8);
  line-height: 1.7;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links h4 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
  color: #fff;
}

.footer-links a {
  font-size: 14px;
  color: rgba(255,255,255,0.7);
  transition: var(--transition);
}

.footer-links a:hover {
  color: #fff;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 20px 24px;
  text-align: center;
}

.footer-bottom p {
  font-size: 12px;
  color: rgba(255,255,255,0.6);
  line-height: 1.8;
}

.footer-bottom a {
  color: rgba(255,255,255,0.8);
  transition: var(--transition);
}

.footer-bottom a:hover {
  color: #fff;
}

/* ================================================
   公共组件 - 卡片
   ================================================ */
.card {
  background: var(--bg-white);
  border-radius: var(--radius);
  box-shadow: var(--card-shadow);
  overflow: hidden;
  transition: var(--transition);
}

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

.card-accent {
  position: relative;
}

.card-accent::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--grape) 0%, var(--grape-light) 100%);
}

.card-accent-blue::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--blue-flash);
}

.card-accent-gold::before {
  background: linear-gradient(90deg, var(--gold-approve) 0%, var(--gold-approve-dark) 100%);
}

/* ================================================
   公共组件 - 按钮
   ================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius);
  transition: var(--transition);
}

.btn-primary {
  background: linear-gradient(135deg, var(--grape) 0%, var(--grape-light) 100%);
  color: #fff;
  box-shadow: 0 4px 12px rgba(88,28,135,0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(88,28,135,0.4);
}

.btn-gold {
  background: linear-gradient(135deg, var(--gold-approve) 0%, var(--gold-approve-dark) 100%);
  color: var(--text-dark);
  box-shadow: 0 4px 12px rgba(245,158,11,0.3);
}

.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(245,158,11,0.4);
}

.btn-outline {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,0.6);
}

.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: #fff;
}

.btn-blue {
  background: linear-gradient(135deg, var(--blue-flash) 0%, var(--blue-flash-dark) 100%);
  color: #fff;
  box-shadow: 0 4px 12px rgba(14,165,233,0.3);
}

.btn-blue:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(14,165,233,0.4);
}

/* ================================================
   公共组件 - 标签
   ================================================ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 600;
  border-radius: 20px;
}

.badge-blue {
  background: rgba(14,165,233,0.1);
  color: var(--blue-flash);
}

.badge-gold {
  background: rgba(245,158,11,0.1);
  color: var(--gold-approve-dark);
}

.badge-grape {
  background: rgba(88,28,135,0.1);
  color: var(--grape);
}

/* ================================================
   公共组件 - 标题区块
   ================================================ */
.section {
  padding: 80px 24px;
}

.section-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 48px;
}

.section-title {
  font-size: 36px;
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 16px;
  line-height: 1.3;
}

.section-subtitle {
  font-size: 17px;
  color: var(--text-muted);
  max-width: 700px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ================================================
   Hero 区域通用样式
   ================================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 24px 80px;
  position: relative;
  overflow: hidden;
}

.hero-grape {
  background: linear-gradient(135deg, var(--grape) 0%, var(--grape-light) 100%);
  color: #fff;
}

.hero-blue {
  background: linear-gradient(135deg, var(--blue-flash) 0%, var(--blue-flash-dark) 100%);
  color: var(--text-dark);
}

.hero-gold {
  background: linear-gradient(135deg, var(--gold-approve) 0%, var(--gold-approve-dark) 100%);
  color: var(--text-dark);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(10px);
  border-radius: 30px;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 24px;
}

.hero-badge-blue {
  background: rgba(255,255,255,0.25);
}

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

.hero-subtitle {
  font-size: 18px;
  opacity: 0.85;
  max-width: 600px;
  margin: 0 auto 32px;
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ================================================
   首页 Hero - 闪付动画与秒批动画
   ================================================ */
.flash-animation {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  margin: 48px 0;
  flex-wrap: wrap;
}

.flash-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding: 32px;
  background: rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  min-width: 200px;
}

.flash-icon {
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 40px;
  position: relative;
}

.flash-icon.flashpay-icon {
  background: linear-gradient(135deg, var(--blue-flash) 0%, var(--blue-flash-dark) 100%);
  border-radius: 50%;
  color: #fff;
}

.flash-icon.approve-icon {
  background: linear-gradient(135deg, var(--gold-approve) 0%, var(--gold-approve-dark) 100%);
  border-radius: 50%;
  color: #fff;
}

.flash-label {
  font-size: 16px;
  font-weight: 600;
}

.flash-desc {
  font-size: 13px;
  opacity: 0.7;
}

.flash-connector {
  font-size: 24px;
  font-weight: 800;
  color: rgba(255,255,255,0.5);
}

.flash-result {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 24px;
  background: rgba(255,255,255,0.15);
  border-radius: var(--radius);
  font-size: 18px;
  font-weight: 700;
}

/* 闪付动画 - NFC感应波纹 */
.nfc-wave {
  position: relative;
  width: 100px;
  height: 100px;
}

.nfc-device {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--blue-flash) 0%, var(--blue-flash-dark) 100%);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  z-index: 2;
}

.nfc-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  border: 2px solid var(--blue-flash);
  border-radius: 50%;
  animation: nfcPulse 2s ease-out infinite;
}

.nfc-ring:nth-child(2) { animation-delay: 0.4s; }
.nfc-ring:nth-child(3) { animation-delay: 0.8s; }

@keyframes nfcPulse {
  0% {
    width: 60px;
    height: 60px;
    opacity: 1;
  }
  100% {
    width: 150px;
    height: 150px;
    opacity: 0;
  }
}

/* 秒批动画 - 审批进度条 */
.approve-progress {
  width: 100px;
  height: 100px;
  position: relative;
}

.approve-circle {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 700;
  position: relative;
  overflow: hidden;
}

.approve-fill {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(135deg, var(--gold-approve) 0%, var(--gold-approve-dark) 100%);
  animation: approveFill 2s ease-out forwards;
}

@keyframes approveFill {
  0% { height: 0%; }
  100% { height: 100%; }
}

.approve-percent {
  position: relative;
  z-index: 2;
  font-size: 20px;
  font-weight: 800;
}

/* ================================================
   首页 - 闪付秒批说明区
   ================================================ */
.feature-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--bg-white);
  border-radius: var(--radius);
  padding: 32px;
  position: relative;
  box-shadow: var(--card-shadow);
  transition: var(--transition);
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  border-radius: var(--radius) var(--radius) 0 0;
}

.feature-card.gold::before {
  background: linear-gradient(90deg, var(--gold-approve) 0%, var(--gold-approve-dark) 100%);
}

.feature-card.blue::before {
  background: linear-gradient(90deg, var(--blue-flash) 0%, var(--blue-flash-dark) 100%);
}

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

.feature-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  border-radius: 12px;
  margin-bottom: 20px;
}

.feature-icon.blue {
  background: rgba(14,165,233,0.1);
}

.feature-icon.gold {
  background: rgba(245,158,11,0.1);
}

.feature-icon.grape {
  background: rgba(88,28,135,0.1);
}

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

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

/* ================================================
   首页 - 4G大机展示区
   ================================================ */
.product-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  max-width: 900px;
  margin: 0 auto;
}

.product-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 32px;
  text-align: center;
  position: relative;
  box-shadow: var(--card-shadow);
  transition: var(--transition);
}

.product-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
  background: linear-gradient(90deg, var(--grape) 0%, var(--grape-light) 100%);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.product-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 24px;
  right: 24px;
  height: 2px;
  background: var(--blue-flash);
}

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

.product-icon {
  width: 100px;
  height: 100px;
  margin: 0 auto 20px;
  background: linear-gradient(135deg, var(--bg-page) 0%, var(--bg-light) 100%);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
}

.product-name {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 8px;
}

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

.product-tags {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.product-features {
  text-align: left;
  margin-bottom: 24px;
}

.product-features li {
  padding: 8px 0;
  font-size: 14px;
  color: var(--text-body);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 8px;
}

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

/* ================================================
   首页 - 选择理由
   ================================================ */
.reasons-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}

.reason-item {
  background: var(--bg-white);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  box-shadow: var(--card-shadow);
  transition: var(--transition);
}

.reason-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.reason-num {
  font-family: var(--font-en);
  font-size: 36px;
  font-weight: 800;
  color: var(--grape);
  margin-bottom: 12px;
}

.reason-icon {
  font-size: 32px;
  margin-bottom: 12px;
}

.reason-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-dark);
}

/* ================================================
   首页 - 四品牌闪付秒批对比
   ================================================ */
.brand-compare-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.brand-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 28px;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--card-shadow);
  transition: var(--transition);
}

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

.brand-card.highlight {
  background: linear-gradient(135deg, rgba(88,28,135,0.05) 0%, rgba(124,58,237,0.05) 100%);
  border: 2px solid var(--grape);
}

.brand-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
}

.brand-card.grape::before {
  background: linear-gradient(90deg, var(--grape) 0%, var(--grape-light) 100%);
}

.brand-card.indigo::before {
  background: linear-gradient(90deg, #6D28D9 0%, #7C3AED 100%);
}

.brand-card.pink::before {
  background: linear-gradient(90deg, #DB2777 0%, #EC4899 100%);
}

.brand-card.blue::before {
  background: linear-gradient(90deg, #3730A3 0%, #4F46E5 100%);
}

.brand-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 20px;
}

.brand-features {
  text-align: left;
}

.brand-features li {
  padding: 10px 0;
  font-size: 14px;
  color: var(--text-body);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 8px;
}

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

.brand-conclusion {
  margin-top: 40px;
  padding: 24px;
  background: var(--bg-page);
  border-radius: var(--radius);
  text-align: center;
}

/* ================================================
   首页 - 底部CTA申请区
   ================================================ */
.cta-section {
  background: linear-gradient(135deg, var(--grape) 0%, var(--grape-light) 100%);
  padding: 80px 24px;
  text-align: center;
  color: #fff;
}

.cta-title {
  font-size: 36px;
  font-weight: 800;
  margin-bottom: 24px;
}

.cta-features {
  display: flex;
  gap: 24px;
  justify-content: center;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.cta-feature {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 16px;
  font-weight: 600;
}

/* ================================================
   表单样式
   ================================================ */
.form-section {
  max-width: 500px;
  margin: 0 auto;
}

.form-card {
  background: var(--grape-dark);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-lg);
}

.form-title {
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  text-align: center;
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 14px;
  color: rgba(255,255,255,0.8);
  margin-bottom: 6px;
}

.form-group input,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-sm);
  color: #fff;
  font-size: 15px;
  transition: var(--transition);
}

.form-group input::placeholder {
  color: rgba(255,255,255,0.5);
}

.form-group input:focus,
.form-group select:focus {
  border-color: var(--gold-approve);
  background: rgba(255,255,255,0.15);
}

.form-group select option {
  background: var(--grape-dark);
  color: #fff;
}

.form-submit {
  width: 100%;
  margin-top: 8px;
}

.form-note {
  font-size: 12px;
  color: rgba(255,255,255,0.6);
  text-align: center;
  margin-top: 16px;
}

/* ================================================
   支持闪付页 - 页面专属
   ================================================ */
.flashpay-hero {
  background: linear-gradient(135deg, var(--blue-flash) 0%, var(--blue-flash-dark) 100%);
  color: #fff;
}

.flashpay-hero .hero-title {
  color: #fff;
}

.flashpay-content {
  padding: 80px 24px;
}

.flashpay-intro {
  max-width: 900px;
  margin: 0 auto 60px;
}

.flashpay-intro h3 {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 24px;
}

.flashpay-intro p {
  font-size: 16px;
  color: var(--text-body);
  line-height: 1.8;
  margin-bottom: 16px;
}

.flashpay-intro ul {
  background: var(--bg-page);
  border-radius: var(--radius);
  padding: 24px 32px;
}

.flashpay-intro li {
  padding: 10px 0;
  font-size: 15px;
  color: var(--text-body);
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.flashpay-intro li strong {
  color: var(--grape);
  min-width: 120px;
}

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

.compare-table th,
.compare-table td {
  padding: 16px 20px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.compare-table th {
  background: var(--bg-page);
  font-size: 14px;
  font-weight: 600;
  color: var(--text-dark);
}

.compare-table td {
  font-size: 14px;
  color: var(--text-body);
}

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

.compare-table .highlight-col {
  background: rgba(88,28,135,0.05);
}

.compare-table .brand-grape {
  background: rgba(88,28,135,0.1);
  font-weight: 600;
  color: var(--grape);
}

.check-icon {
  color: #10B981;
  font-weight: 700;
}

.warning-icon {
  color: var(--text-light);
}

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

.faq-item {
  background: var(--bg-white);
  border-radius: var(--radius);
  margin-bottom: 12px;
  box-shadow: var(--card-shadow);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  padding: 20px 24px;
  background: none;
  text-align: left;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-dark);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  transition: var(--transition);
}

.faq-question:hover {
  color: var(--grape);
}

.faq-icon {
  font-size: 20px;
  transition: var(--transition);
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
  max-height: 500px;
}

.faq-answer-inner {
  padding: 0 24px 20px;
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ================================================
   秒批页 - 页面专属
   ================================================ */
.approve-hero {
  background: linear-gradient(135deg, var(--gold-approve) 0%, var(--gold-approve-dark) 100%);
  color: var(--text-dark);
}

.approve-hero .hero-title {
  color: var(--text-dark);
}

.approve-content {
  padding: 80px 24px;
}

/* ================================================
   对比页专属
   ================================================ */
.compare-hero {
  background: linear-gradient(135deg, var(--grape) 0%, var(--grape-light) 100%);
  color: #fff;
}

.compare-hero .hero-title {
  color: #fff;
}

.dimension-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 40px;
}

.dimension-card {
  background: var(--bg-white);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  box-shadow: var(--card-shadow);
}

.dimension-card.highlight {
  background: linear-gradient(135deg, rgba(88,28,135,0.1) 0%, rgba(124,58,237,0.1) 100%);
  border: 2px solid var(--grape);
}

.dimension-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 16px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--border);
}

.dimension-card.highlight .dimension-title {
  color: var(--grape);
  border-color: var(--grape);
}

.dimension-items {
  text-align: left;
}

.dimension-item {
  padding: 10px 0;
  font-size: 14px;
  color: var(--text-body);
  border-bottom: 1px solid var(--border);
}

.dimension-item:last-child {
  border-bottom: none;
}

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

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

.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }
.fade-in-delay-4 { transition-delay: 0.4s; }
.fade-in-delay-5 { transition-delay: 0.5s; }

/* ================================================
   滚动条样式
   ================================================ */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-page);
}

::-webkit-scrollbar-thumb {
  background: var(--grape-light);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--grape);
}

/* ================================================
   响应式设计
   ================================================ */
@media (max-width: 1024px) {
  .section-title {
    font-size: 30px;
  }
  
  .hero-title {
    font-size: 40px;
  }
  
  .feature-cards {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .reasons-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .brand-compare-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .dimension-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .navbar-nav {
    display: none;
  }
  
  .hamburger {
    display: flex;
  }
  
  .hero {
    padding: 100px 20px 60px;
    min-height: auto;
  }
  
  .hero-title {
    font-size: 32px;
  }
  
  .hero-subtitle {
    font-size: 16px;
  }
  
  .section {
    padding: 60px 20px;
  }
  
  .section-title {
    font-size: 26px;
  }
  
  .section-subtitle {
    font-size: 15px;
  }
  
  .feature-cards {
    grid-template-columns: 1fr;
  }
  
  .product-grid {
    grid-template-columns: 1fr;
  }
  
  .reasons-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .brand-compare-grid {
    grid-template-columns: 1fr;
  }
  
  .dimension-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .flash-animation {
    flex-direction: column;
  }
  
  .flash-connector {
    transform: rotate(90deg);
  }
  
  .cta-features {
    flex-direction: column;
    align-items: center;
  }
  
  .compare-table {
    font-size: 12px;
  }
  
  .compare-table th,
  .compare-table td {
    padding: 12px 10px;
  }
  
  .form-card {
    padding: 24px;
  }
}

/* ================================================
   强调文字
   ================================================ */
.highlight-text {
  color: var(--grape);
  font-weight: 600;
}

.blue-text {
  color: var(--blue-flash);
  font-weight: 600;
}

.gold-text {
  color: var(--gold-approve-dark);
  font-weight: 600;
}

/* ================================================
   强调区块
   ================================================ */
.highlight-box {
  background: linear-gradient(135deg, rgba(88,28,135,0.1) 0%, rgba(124,58,237,0.1) 100%);
  border-left: 4px solid var(--grape);
  padding: 20px 24px;
  border-radius: 0 var(--radius) var(--radius) 0;
  margin: 24px 0;
}

.highlight-box p {
  font-size: 15px;
  color: var(--text-body);
  line-height: 1.7;
}