/* 海科融通 QFPOS 官方网站样式 - 酒红+暖金主题 */

/* ==================== CSS变量 ==================== */
:root {
  --wine: #881337;
  --wine-dark: #4C0519;
  --wine-deeper: #2E0311;
  --wine-light: #9F1239;
  --gold: #F59E0B;
  --gold-light: #FEF3C7;
  --green: #10B981;
  --green-light: #ECFDF5;
  --bg-white: #FFFFFF;
  --bg-page: #FDF2F8;
  --bg-light: #FFF1F2;
  --text-dark: #1C1917;
  --text-body: #374151;
  --text-muted: #6B7280;
  --text-light: #9CA3AF;
  --border: #E5E7EB;
  --card-shadow: 0 2px 8px rgba(136,19,55,0.08);
  --shadow-md: 0 8px 24px rgba(136,19,55,0.12);
  --shadow-lg: 0 16px 48px rgba(136,19,55,0.15);
  --radius: 10px;
  --radius-sm: 6px;
  --radius-lg: 16px;
  --transition: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

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

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

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

ul {
  list-style: none;
}

/* ==================== 字体加载 ==================== */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;500;600;700;900&family=Barlow:wght@400;500;600;700&display=swap');

/* ==================== 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(136, 19, 55, 0.12);
}

.navbar-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Barlow', sans-serif;
  font-weight: 700;
  font-size: 24px;
  color: var(--wine);
}

.navbar-logo span {
  color: var(--gold);
}

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

.navbar-link {
  padding: 8px 16px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-dark);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.navbar-link:hover {
  color: var(--wine);
  background: var(--bg-light);
}

.navbar-link.active {
  color: var(--wine);
  font-weight: 600;
}

.navbar-cta {
  margin-left: 16px;
  padding: 10px 24px;
  background: linear-gradient(135deg, var(--gold) 0%, #D97706 100%);
  color: var(--wine-dark) !important;
  font-weight: 600;
  border-radius: var(--radius);
  transition: var(--transition);
}

.navbar-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.4);
}

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

.navbar-toggle span {
  width: 24px;
  height: 2px;
  background: var(--wine);
  transition: var(--transition);
}

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

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

.mobile-menu a {
  display: block;
  padding: 14px 20px;
  font-size: 16px;
  font-weight: 500;
  color: var(--text-dark);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

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

/* ==================== 页脚 ==================== */
.footer {
  background: linear-gradient(180deg, var(--wine) 0%, var(--wine-dark) 100%);
  color: white;
  padding: 60px 20px 0;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.footer-logo {
  font-family: 'Barlow', sans-serif;
  font-size: 28px;
  font-weight: 700;
  color: var(--gold);
}

.footer-slogan {
  font-size: 15px;
  line-height: 1.8;
  opacity: 0.9;
}

.footer-nav h4 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 20px;
  color: var(--gold);
}

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

.footer-nav a {
  font-size: 14px;
  opacity: 0.8;
  transition: var(--transition);
}

.footer-nav a:hover {
  opacity: 1;
  color: var(--gold);
}

.footer-bottom {
  margin-top: 60px;
  padding: 20px;
  background: var(--wine-deeper);
  text-align: center;
}

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

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

.footer-bottom a:hover {
  color: var(--gold);
}

/* ==================== 通用容器 ==================== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: 80px 20px;
}

.section-title {
  font-size: 36px;
  font-weight: 700;
  color: var(--text-dark);
  text-align: center;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 18px;
  color: var(--text-muted);
  text-align: center;
  margin-bottom: 48px;
}

/* ==================== Hero区 ==================== */
.hero {
  min-height: 100vh;
  background: linear-gradient(180deg, var(--wine) 0%, var(--wine-dark) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 20px 80px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 30% 20%, rgba(245, 158, 11, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: rgba(245, 158, 11, 0.2);
  border: 1px solid rgba(245, 158, 11, 0.3);
  border-radius: 50px;
  font-size: 14px;
  color: var(--gold);
  margin-bottom: 32px;
}

.hero-title {
  font-size: 52px;
  font-weight: 900;
  color: white;
  margin-bottom: 20px;
  line-height: 1.2;
}

.hero-title .green {
  color: var(--green);
}

.hero-title .gold {
  color: var(--gold);
}

.hero-subtitle {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.75);
  max-width: 600px;
  margin: 0 auto 40px;
  line-height: 1.8;
}

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

/* ==================== 按钮 ==================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  font-size: 16px;
  font-weight: 600;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: var(--transition);
}

.btn-primary {
  background: linear-gradient(135deg, var(--gold) 0%, #D97706 100%);
  color: var(--wine-dark);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(245, 158, 11, 0.4);
}

.btn-secondary {
  background: transparent;
  color: white;
  border: 2px solid white;
}

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

.btn-wine {
  background: linear-gradient(135deg, var(--wine) 0%, var(--wine-dark) 100%);
  color: white;
}

.btn-wine:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* ==================== 卡片 ==================== */
.card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--card-shadow);
  border-bottom: 4px solid var(--wine);
  border-left: 4px solid var(--gold);
  transition: var(--transition);
}

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

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

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

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

/* ==================== 标签 ==================== */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 600;
  border-radius: 50px;
}

.tag-green {
  background: var(--green-light);
  color: var(--green);
}

.tag-gold {
  background: var(--gold-light);
  color: #B45309;
}

/* ==================== 保障卡片网格 ==================== */
.guarantee-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.promise-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.promise-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--card-shadow);
  border-top: 4px solid var(--gold);
  transition: var(--transition);
}

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

/* ==================== 产品卡片 ==================== */
.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);
  overflow: hidden;
  box-shadow: var(--card-shadow);
  border-bottom: 4px solid var(--wine);
  transition: var(--transition);
}

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

.product-image {
  height: 200px;
  background: linear-gradient(135deg, var(--bg-light) 0%, var(--bg-page) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 80px;
}

.product-info {
  padding: 24px;
}

.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;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.product-features {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.product-features li {
  padding: 6px 0;
  padding-left: 20px;
  position: relative;
}

.product-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--green);
  font-weight: bold;
}

/* ==================== 理由区块 ==================== */
.reasons-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

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

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

.reason-number {
  font-family: 'Barlow', sans-serif;
  font-size: 48px;
  font-weight: 700;
  color: var(--wine);
  opacity: 0.2;
  margin-bottom: 8px;
}

.reason-icon {
  font-size: 40px;
  margin-bottom: 16px;
}

.reason-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 12px;
}

.reason-text {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ==================== 场景网格 ==================== */
.scenario-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 800px;
  margin: 0 auto;
}

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

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

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

.scenario-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 8px;
}

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

/* ==================== CTA区域 ==================== */
.cta-section {
  background: linear-gradient(180deg, var(--wine) 0%, var(--wine-dark) 100%);
  padding: 80px 20px;
  text-align: center;
  color: white;
}

.cta-title {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 24px;
}

.cta-advantages {
  display: flex;
  justify-content: center;
  gap: 32px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.cta-advantages span {
  font-size: 16px;
  opacity: 0.9;
}

.cta-advantages span::before {
  content: '|';
  margin-right: 16px;
  opacity: 0.5;
}

.cta-advantages span:first-child::before {
  display: none;
}

/* ==================== 表单 ==================== */
.form-box {
  background: var(--wine-dark);
  border-radius: var(--radius-lg);
  padding: 40px;
  max-width: 500px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 8px;
  text-align: left;
}

.form-group input,
.form-group select {
  width: 100%;
  padding: 14px 16px;
  font-size: 15px;
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.1);
  color: white;
  transition: var(--transition);
}

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

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--gold);
  background: rgba(255, 255, 255, 0.15);
}

.form-group select option {
  background: var(--wine-dark);
  color: white;
}

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

.form-note {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
  margin-top: 16px;
}

/* ==================== 功能网格 ==================== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--card-shadow);
  transition: var(--transition);
}

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

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

.feature-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 12px;
}

.feature-text {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ==================== 对比表格 ==================== */
.compare-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  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-light);
  font-weight: 600;
  color: var(--text-dark);
}

.compare-table td {
  color: var(--text-muted);
}

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

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

/* ==================== 价值卡片 ==================== */
.value-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.value-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--card-shadow);
  border-left: 4px solid var(--gold);
  transition: var(--transition);
}

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

/* ==================== 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;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-dark);
  background: none;
  border: none;
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition);
}

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

.faq-question::after {
  content: '+';
  font-size: 24px;
  font-weight: 300;
  color: var(--wine);
  transition: var(--transition);
}

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

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

.faq-item.active .faq-answer {
  max-height: 200px;
}

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

/* ==================== 时间轴 ==================== */
.timeline {
  position: relative;
  max-width: 600px;
  margin: 0 auto;
  padding-left: 60px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 20px;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--wine) 0%, var(--gold) 100%);
}

.timeline-item {
  position: relative;
  padding-bottom: 40px;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -48px;
  top: 0;
  width: 16px;
  height: 16px;
  background: var(--wine);
  border: 3px solid var(--gold);
  border-radius: 50%;
}

.timeline-year {
  font-family: 'Barlow', sans-serif;
  font-size: 14px;
  font-weight: 600;
  color: var(--gold);
  margin-bottom: 8px;
}

.timeline-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 8px;
}

.timeline-text {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ==================== 承诺书 ==================== */
.commitment-letter {
  background: linear-gradient(135deg, var(--bg-page) 0%, var(--bg-light) 100%);
  border: 2px solid var(--wine);
  border-radius: var(--radius-lg);
  padding: 48px;
  max-width: 700px;
  margin: 0 auto;
  position: relative;
}

.commitment-letter::before {
  content: '海科融通';
  position: absolute;
  top: -16px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--wine);
  color: white;
  padding: 8px 32px;
  font-size: 18px;
  font-weight: 700;
  border-radius: 50px;
}

.commitment-letter h3 {
  font-size: 20px;
  text-align: center;
  color: var(--text-dark);
  margin-bottom: 24px;
  margin-top: 16px;
}

.commitment-letter p {
  font-size: 15px;
  color: var(--text-body);
  line-height: 2;
  text-align: justify;
}

.commitment-letter ul {
  margin: 20px 0;
}

.commitment-letter li {
  font-size: 15px;
  color: var(--text-body);
  line-height: 2;
  padding-left: 24px;
  position: relative;
}

.commitment-letter li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--green);
  font-weight: bold;
}

.commitment-stamp {
  text-align: center;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px dashed var(--border);
}

.commitment-stamp span {
  display: inline-block;
  width: 80px;
  height: 80px;
  border: 3px solid var(--wine);
  border-radius: 50%;
  line-height: 80px;
  color: var(--wine);
  font-size: 14px;
  font-weight: 700;
}

/* ==================== 页面标题区 ==================== */
.page-hero {
  background: linear-gradient(180deg, var(--wine) 0%, var(--wine-dark) 100%);
  padding: 140px 20px 80px;
  text-align: center;
  color: white;
}

.page-hero h1 {
  font-size: 48px;
  font-weight: 700;
  margin-bottom: 16px;
}

.page-hero p {
  font-size: 18px;
  opacity: 0.85;
  max-width: 600px;
  margin: 0 auto;
}

/* ==================== 关于页样式 ==================== */
.brand-intro {
  background: var(--bg-page);
  padding: 60px 0;
}

.brand-intro p {
  font-size: 18px;
  color: var(--text-body);
  line-height: 2;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.stat-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 40px 24px;
  text-align: center;
  box-shadow: var(--card-shadow);
  transition: var(--transition);
}

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

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

.stat-value {
  font-family: 'Barlow', sans-serif;
  font-size: 36px;
  font-weight: 700;
  color: var(--wine);
  margin-bottom: 8px;
}

.stat-label {
  font-size: 16px;
  color: var(--text-muted);
}

.cert-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

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

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

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

.cert-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-dark);
}

/* ==================== 滚动动画 ==================== */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

.scroll-line {
  position: fixed;
  top: 0;
  left: 0;
  width: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--wine) 0%, var(--gold) 100%);
  z-index: 1001;
  transition: width 0.1s linear;
}

/* ==================== 强调文字 ==================== */
.highlight-text {
  font-size: 18px;
  font-weight: 600;
  color: var(--wine);
  text-align: center;
  padding: 32px;
  background: var(--bg-light);
  border-radius: var(--radius-lg);
  margin: 40px auto;
  max-width: 800px;
}

.highlight-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--wine);
  font-weight: 600;
  transition: var(--transition);
}

.highlight-link:hover {
  color: var(--gold);
}

/* ==================== 响应式 ==================== */
@media (max-width: 1024px) {
  .navbar-menu {
    display: none;
  }
  
  .navbar-toggle {
    display: flex;
  }
  
  .hero-title {
    font-size: 40px;
  }
  
  .section-title {
    font-size: 30px;
  }
  
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .guarantee-grid,
  .promise-grid,
  .value-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-container {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .hero {
    padding: 100px 20px 60px;
  }
  
  .hero-title {
    font-size: 32px;
  }
  
  .hero-subtitle {
    font-size: 16px;
  }
  
  .section {
    padding: 60px 20px;
  }
  
  .section-title {
    font-size: 26px;
  }
  
  .section-subtitle {
    font-size: 16px;
    margin-bottom: 32px;
  }
  
  .navbar {
    height: 60px;
  }
  
  .mobile-menu {
    top: 60px;
  }
  
  .product-grid,
  .reasons-grid,
  .scenario-grid {
    grid-template-columns: 1fr;
  }
  
  .feature-grid,
  .guarantee-grid,
  .promise-grid,
  .value-grid,
  .stats-grid,
  .cert-grid {
    grid-template-columns: 1fr;
  }
  
  .page-hero h1 {
    font-size: 32px;
  }
  
  .page-hero p {
    font-size: 16px;
  }
  
  .compare-table {
    font-size: 13px;
  }
  
  .compare-table th,
  .compare-table td {
    padding: 12px 10px;
  }
  
  .cta-title {
    font-size: 26px;
  }
  
  .form-box {
    padding: 24px;
  }
  
  .commitment-letter {
    padding: 32px 24px;
  }
  
  .footer {
    padding: 40px 20px 0;
  }
}

/* ==================== 产品对比详细表格 ==================== */
.detail-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--card-shadow);
  margin: 32px 0;
}

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

.detail-table th {
  background: linear-gradient(135deg, var(--wine) 0%, var(--wine-dark) 100%);
  color: white;
  font-weight: 600;
}

.detail-table th:first-child {
  text-align: left;
}

.detail-table td:first-child {
  text-align: left;
  font-weight: 600;
  color: var(--text-dark);
}

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

.detail-table .recommended {
  background: var(--gold-light);
}

.detail-table .recommended th {
  background: linear-gradient(135deg, var(--gold) 0%, #D97706 100%);
}

/* ==================== 强调框 ==================== */
.emphasis-box {
  background: var(--bg-light);
  border-left: 4px solid var(--wine);
  padding: 24px 32px;
  border-radius: 0 var(--radius) var(--radius) 0;
  margin: 32px 0;
  text-align: center;
}

.emphasis-box p {
  font-size: 17px;
  color: var(--wine);
  font-weight: 600;
}

/* ==================== 产品详情区 ==================== */
.product-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--card-shadow);
  margin-bottom: 32px;
}

.product-detail:nth-child(even) {
  direction: rtl;
}

.product-detail:nth-child(even) > * {
  direction: ltr;
}

.product-detail-image {
  height: 250px;
  background: linear-gradient(135deg, var(--bg-light) 0%, var(--bg-page) 100%);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 100px;
}

.product-detail-info h3 {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 8px;
}

.product-detail-info .subtitle {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 20px;
}

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

.product-detail-params {
  background: var(--bg-page);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 20px;
}

.product-detail-params p {
  font-size: 14px;
  color: var(--text-muted);
  padding: 6px 0;
}

.product-detail-suitable {
  font-size: 14px;
  color: var(--text-body);
  margin-bottom: 20px;
}

@media (max-width: 768px) {
  .product-detail {
    grid-template-columns: 1fr;
  }
  
  .product-detail:nth-child(even) {
    direction: ltr;
  }
}

/* ==================== 结尾CTA ==================== */
.final-cta {
  background: linear-gradient(180deg, var(--wine) 0%, var(--wine-dark) 100%);
  padding: 60px 20px;
  text-align: center;
  color: white;
}

.final-cta h2 {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 32px;
}