/* ==========================================
   毅点扫码点餐系统 - 官网样式
   ========================================== */

/* CSS变量 */
:root {
  /* 主色调 */
  --primary-color: #1a56a8;
  --primary-dark: #154a91;
  --primary-light: #2d6fc4;

  /* 辅助色 */
  --secondary-color: #ff6b6b;
  --success-color: #51cf66;
  --warning-color: #ffd43b;
  --danger-color: #ff6b6b;

  /* 中性色 */
  --text-primary: #333;
  --text-secondary: #666;
  --text-light: #999;
  --border-color: #e0e6ed;
  --bg-light: #f5f7fa;
  --bg-white: #fff;

  /* 字体 */
  --font-family: 'Noto Sans SC', 'Microsoft YaHei', sans-serif;

  /* 间距 */
  --spacing-xs: 6px;
  --spacing-sm: 12px;
  --spacing-md: 20px;
  --spacing-lg: 28px;
  --spacing-xl: 40px;
  --spacing-xxl: 56px;

  /* 圆角 */
  --radius-sm: 3px;
  --radius-md: 6px;
  --radius-lg: 10px;
  --radius-xl: 14px;

  /* 阴影 */
  --shadow-sm: 0 1px 6px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 3px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 6px 18px rgba(0, 0, 0, 0.1);

  /* 过渡 */
  --transition: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
  font-size: 15px;
}

body {
  font-family: var(--font-family);
  color: var(--text-primary);
  line-height: 1.6;
  background: var(--bg-white);
  overflow-x: hidden;
}

/* 容器 */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* 通用按钮样式 */
.btn-primary,
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border: none;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: var(--primary-color);
  color: var(--bg-white);
}

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

.btn-outline {
  background: transparent;
  color: var(--primary-color);
  border: 1.5px solid var(--primary-color);
}

.btn-outline:hover {
  background: var(--primary-color);
  color: var(--bg-white);
}

.btn-lg {
  padding: 14px 28px;
  font-size: 16px;
}

/* 区域标题样式 */
.section-header {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.section-title {
  font-size: 32px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.section-subtitle {
  font-size: 16px;
  color: var(--text-secondary);
}

/* 链接样式 */
a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

/* 列表样式 */
ul {
  list-style: none;
}

/* 图片样式 */
img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ==========================================
   导航栏样式
   ========================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: var(--bg-white);
  box-shadow: var(--shadow-sm);
  z-index: 1000;
  transition: var(--transition);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-sm) var(--spacing-md);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-brand img {
  height: 36px;
}

.nav-brand span {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary-color);
}

.nav-menu {
  display: flex;
  gap: var(--spacing-md);
}

.nav-link {
  color: var(--text-primary);
  font-weight: 500;
  padding: 6px 0;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-color);
  transition: var(--transition);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.btn-phone {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--primary-color);
  font-weight: 500;
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.mobile-menu-toggle span {
  width: 24px;
  height: 3px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}

/* ==========================================
   Hero区样式
   ========================================== */
.hero {
  position: relative;
  padding: 96px 0 var(--spacing-xxl);
  background: linear-gradient(135deg, #f5f7fa 0%, #e8f0fe 100%);
  overflow: hidden;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  overflow: hidden;
}

.hero-shape {
  position: absolute;
  border-radius: 50%;
  opacity: 0.1;
}

.hero-shape.shape-1 {
  width: 340px;
  height: 340px;
  background: var(--primary-color);
  top: -80px;
  right: -80px;
}

.hero-shape.shape-2 {
  width: 260px;
  height: 260px;
  background: var(--primary-light);
  bottom: -40px;
  left: -40px;
}

.hero-shape.shape-3 {
  width: 160px;
  height: 160px;
  background: var(--primary-color);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.hero-content {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: center;
}

.hero-text {
  z-index: 1;
}

.hero-title {
  font-size: 40px;
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

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

.hero-subtitle {
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
  line-height: 1.7;
}

.hero-features {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
}

.hero-feature-item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
}

.hero-feature-item i {
  color: var(--success-color);
  font-size: 16px;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.hero-stats {
  display: flex;
  gap: var(--spacing-xl);
  padding: var(--spacing-lg) 0;
  margin-top: var(--spacing-sm);
}

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

.stat-number {
  font-size: 36px;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 6px;
  line-height: 1;
}

.stat-label {
  font-size: 14px;
  color: var(--text-secondary);
  font-weight: 400;
}

.hero-image {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.phone-mockup {
  position: relative;
  z-index: 1;
}

.phone-frame {
  width: 280px;
  height: 560px;
  background: #333;
  border-radius: 26px;
  padding: 10px;
  box-shadow: var(--shadow-lg);
}

.phone-screen {
  width: 100%;
  height: 100%;
  background: var(--bg-white);
  border-radius: 18px;
  overflow: hidden;
}

.phone-screen img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.floating-card {
  position: absolute;
  background: var(--bg-white);
  padding: var(--spacing-sm);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 8px;
  animation: float 3s ease-in-out infinite;
}

.floating-card i {
  font-size: 24px;
  color: var(--primary-color);
}

.floating-card.card-1 {
  top: 10%;
  left: -10%;
  animation-delay: 0s;
}

.floating-card.card-2 {
  top: 50%;
  right: -10%;
  animation-delay: 1s;
}

.floating-card.card-3 {
  bottom: 10%;
  left: -5%;
  animation-delay: 2s;
}

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

/* ==========================================
   核心优势区样式
   ========================================== */
.advantages {
  padding: var(--spacing-xxl) 0;
  background: var(--bg-white);
}

.advantages-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
}

.advantage-card {
  text-align: center;
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  transition: var(--transition);
}

.advantage-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.advantage-icon {
  width: 68px;
  height: 68px;
  margin: 0 auto var(--spacing-md);
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--bg-white);
  font-size: 26px;
}

.advantage-card h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.advantage-card p {
  color: var(--text-secondary);
  line-height: 1.8;
}

/* ==========================================
   功能特性区样式
   ========================================== */
.features {
  padding: var(--spacing-xxl) 0;
  background: var(--bg-light);
}

.features-content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xxl);
}

.feature-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: center;
}

.feature-item.reverse {
  direction: rtl;
}

.feature-item.reverse > * {
  direction: ltr;
}

.feature-image {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-color);
  opacity: 0.8;
}

.feature-text h3 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.feature-text > p {
  font-size: 15px;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
  line-height: 1.7;
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.feature-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-secondary);
}

.feature-list li i {
  color: var(--success-color);
  font-size: 16px;
}

/* ==========================================
   套餐价格区样式
   ========================================== */
.pricing {
  padding: var(--spacing-xxl) 0;
  background: var(--bg-white);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
  align-items: stretch;
}

.pricing-card {
  background: var(--bg-white);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  position: relative;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.pricing-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-color);
}

.pricing-badge {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary-color);
  color: var(--bg-white);
  padding: 6px 20px;
  font-size: 14px;
  font-weight: 500;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
}

/* 即将上线标签样式 */
.coming-soon-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  background: #e3f2fd;
  color: #1976d2;
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 500;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
  border: 1px solid #bbdefb;
}

/* 即将上线卡片样式 */
.pricing-card.coming-soon {
  opacity: 0.9;
}

.pricing-card.coming-soon .pricing-price .amount {
  color: var(--text-secondary);
}

.pricing-card.coming-soon .pricing-price .currency {
  color: var(--text-secondary);
}

.pricing-header {
  text-align: center;
  padding: var(--spacing-lg);
  background: var(--bg-light);
}

.pricing-header h3 {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.pricing-price {
  display: flex;
  align-items: baseline;
  justify-content: center;
  margin-bottom: var(--spacing-sm);
}

.pricing-price .currency {
  font-size: 18px;
  color: var(--primary-color);
  font-weight: 600;
}

.pricing-price .amount {
  font-size: 40px;
  font-weight: 700;
  color: var(--primary-color);
  margin-left: 4px;
}

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

.pricing-features {
  padding: var(--spacing-lg);
  flex: 1;
}

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

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

.pricing-features li i {
  color: var(--success-color);
  font-size: 16px;
}

.btn-pricing {
  display: block;
  width: calc(100% - var(--spacing-lg) * 2);
  margin: 0 var(--spacing-lg) var(--spacing-lg);
  padding: 12px;
  background: var(--bg-white);
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
  border-radius: var(--radius-md);
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.btn-pricing:hover {
  background: var(--primary-color);
  color: var(--bg-white);
}

/* 预约咨询按钮样式 */
.btn-pricing.btn-reserve {
  background: #f5f5f5;
  color: #666;
  border-color: #ddd;
}

.btn-pricing.btn-reserve:hover {
  background: #e8e8e8;
  border-color: #ccc;
  color: #555;
}

.pricing-note {
  text-align: center;
  margin-top: var(--spacing-lg);
  padding: var(--spacing-md);
  background: var(--bg-light);
  border-radius: var(--radius-md);
}

.pricing-note p {
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.pricing-note i {
  color: var(--primary-color);
}

/* ==========================================
   客户案例区样式
   ========================================== */
.cases {
  padding: var(--spacing-xxl) 0;
  background: var(--bg-light);
}

.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.case-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}

.case-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.case-image {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  padding: var(--spacing-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--bg-white);
}

.case-content {
  padding: var(--spacing-lg);
}

.case-content h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  color: var(--text-primary);
}

.case-type {
  font-size: 14px;
  color: var(--text-light);
  margin-bottom: var(--spacing-sm);
}

.case-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: var(--spacing-md);
}

.case-stats {
  display: flex;
  gap: var(--spacing-lg);
  padding-top: var(--spacing-sm);
  border-top: 1px solid var(--border-color);
}

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

.case-stat .stat-value {
  display: block;
  font-size: 24px;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 4px;
}

.case-stat .stat-label {
  font-size: 12px;
  color: var(--text-secondary);
}

/* ==========================================
   FAQ区样式
   ========================================== */
.faq {
  padding: var(--spacing-xxl) 0;
  background: var(--bg-white);
}

.faq-list {
  max-width: 900px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-sm);
  overflow: hidden;
  transition: var(--transition);
}

.faq-item:hover {
  box-shadow: var(--shadow-sm);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md);
  cursor: pointer;
  user-select: none;
}

.faq-question h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.faq-question i {
  color: var(--primary-color);
  transition: var(--transition);
}

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

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

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

.faq-answer p {
  padding: 0 var(--spacing-md) var(--spacing-md);
  color: var(--text-secondary);
  line-height: 1.8;
}

/* ==========================================
   联系我们区样式
   ========================================== */
.contact {
  padding: var(--spacing-xxl) 0;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  color: var(--bg-white);
}

.contact-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--spacing-xl);
}

.contact-text h2 {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
}

.contact-text p {
  font-size: 18px;
  opacity: 0.9;
  margin-bottom: var(--spacing-lg);
}

.contact-info {
  display: flex;
  gap: var(--spacing-xl);
  justify-content: center;
  flex-wrap: wrap;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  background: rgba(255, 255, 255, 0.1);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  backdrop-filter: blur(10px);
}

.contact-item i {
  font-size: 24px;
}

.contact-item h4 {
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 4px;
  opacity: 0.8;
}

.contact-item p {
  font-size: 16px;
  font-weight: 600;
  margin: 0;
}

.contact-cta {
  display: flex;
  gap: var(--spacing-sm);
}

.contact-cta .btn-primary {
  background: var(--bg-white);
  color: var(--primary-color);
}

.contact-cta .btn-primary:hover {
  background: var(--bg-light);
}

.contact-cta .btn-outline {
  border-color: var(--bg-white);
  color: var(--bg-white);
}

.contact-cta .btn-outline:hover {
  background: var(--bg-white);
  color: var(--primary-color);
}

/* ==========================================
   页脚样式
   ========================================== */
.footer {
  background: #1a1a1a;
  color: rgba(255, 255, 255, 0.8);
  padding: var(--spacing-xxl) 0 var(--spacing-md);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-section h3 {
  color: var(--bg-white);
  font-size: 18px;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

.footer-section p {
  line-height: 1.8;
  font-size: 14px;
}

.footer-section ul {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.footer-section ul li {
  font-size: 14px;
}

.footer-section ul li a:hover {
  color: var(--primary-light);
}

.social-links {
  display: flex;
  gap: var(--spacing-sm);
}

.social-links a {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.social-links a:hover {
  background: var(--primary-color);
  color: var(--bg-white);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 14px;
}

/* ==========================================
   返回顶部按钮样式
   ========================================== */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 46px;
  height: 46px;
  background: var(--primary-color);
  color: var(--bg-white);
  border: none;
  border-radius: 50%;
  font-size: 20px;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  box-shadow: var(--shadow-md);
  z-index: 999;
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: var(--primary-dark);
  transform: translateY(-5px);
}

/* ==========================================
   响应式样式
   ========================================== */

/* 平板设备 (768px - 1024px) */
@media (max-width: 1024px) {
  .container {
    padding: 0 var(--spacing-sm);
  }

  .section-title {
    font-size: 30px;
  }

  .hero-title {
    font-size: 34px;
  }

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

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

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

/* 移动设备 (小于768px) */
@media (max-width: 768px) {
  /* 导航栏 */
  .nav-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background: var(--bg-white);
    flex-direction: column;
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    z-index: 999;
  }

  .nav-menu.active {
    left: 0;
  }

  .nav-actions {
    display: none;
  }

  .mobile-menu-toggle {
    display: flex;
  }

  /* Hero区 */
  .hero {
    padding: 84px 0 var(--spacing-xl);
  }

  .hero-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .hero-title {
    font-size: 28px;
  }

  .hero-subtitle {
    font-size: 15px;
  }

  .hero-cta {
    flex-direction: column;
  }

  .hero-stats {
    flex-wrap: wrap;
    gap: var(--spacing-md);
    justify-content: center;
  }

  .stat-item {
    min-width: 100px;
  }

  .stat-number {
    font-size: 28px;
  }

  .stat-label {
    font-size: 13px;
  }

  .hero-image {
    order: -1;
  }

  .phone-frame {
    width: 250px;
    height: 500px;
  }

  .floating-card {
    display: none;
  }

  /* 核心优势区 */
  .advantages-grid {
    grid-template-columns: 1fr;
  }

  /* 功能特性区 */
  .feature-item,
  .feature-item.reverse {
    grid-template-columns: 1fr;
    direction: ltr;
  }

  .feature-image {
    order: -1;
  }

  /* 套餐价格区 */
  .pricing-grid {
    grid-template-columns: 1fr;
  }

  /* 客户案例区 */
  .cases-grid {
    grid-template-columns: 1fr;
  }

  /* 联系我们区 */
  .contact-info {
    flex-direction: column;
    align-items: stretch;
  }

  .contact-cta {
    flex-direction: column;
  }

  /* 页脚 */
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  /* 返回顶部按钮 */
  .back-to-top {
    bottom: 20px;
    right: 20px;
    width: 42px;
    height: 42px;
  }
}

/* 小屏幕移动设备 (小于480px) */
@media (max-width: 480px) {
  .section-title {
    font-size: 24px;
  }

  .section-subtitle {
    font-size: 14px;
  }

  .hero-title {
    font-size: 26px;
  }

  .btn-lg {
    padding: 12px 22px;
    font-size: 15px;
  }

  .phone-frame {
    width: 200px;
    height: 400px;
  }
}

/* ==========================================
   新页面样式
   ========================================== */

/* 页面标题区 */
.page-header {
  padding: 90px 0 var(--spacing-xl);
  background: linear-gradient(135deg, #f5f7fa 0%, #e8f0fe 100%);
  text-align: center;
}

.page-header h1 {
  font-size: 34px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.page-header p {
  font-size: 16px;
  color: var(--text-secondary);
}

/* CTA区域 */
.cta-section {
  padding: var(--spacing-xxl) 0;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  color: var(--bg-white);
  text-align: center;
}

.cta-section h2 {
  font-size: 30px;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
}

.cta-section p {
  font-size: 16px;
  opacity: 0.9;
  margin-bottom: var(--spacing-lg);
}

.cta-buttons {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
  flex-wrap: wrap;
}

.cta-section .btn-primary {
  background: var(--bg-white);
  color: var(--primary-color);
}

.cta-section .btn-primary:hover {
  background: var(--bg-light);
}

.cta-section .btn-outline {
  border-color: var(--bg-white);
  color: var(--bg-white);
}

.cta-section .btn-outline:hover {
  background: var(--bg-white);
  color: var(--primary-color);
}

/* 关于我们页面样式 */
.about-intro {
  padding: var(--spacing-xxl) 0;
  background: var(--bg-white);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: center;
}

.about-text h2 {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
}

.about-text p {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: var(--spacing-md);
}

.about-image {
  display: flex;
  justify-content: center;
  align-items: center;
  color: var(--primary-color);
  opacity: 0.8;
}

.core-values {
  padding: var(--spacing-xxl) 0;
  background: var(--bg-light);
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
}

.value-card {
  background: var(--bg-white);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: var(--transition);
}

.value-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.value-card i {
  font-size: 48px;
  color: var(--primary-color);
  margin-bottom: var(--spacing-md);
}

.value-card h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.value-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* 联系我们页面样式 */
.contact-info-section {
  padding: var(--spacing-xxl) 0;
  background: var(--bg-white);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.contact-card {
  background: var(--bg-light);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: var(--transition);
}

.contact-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.contact-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-md);
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--bg-white);
  font-size: 32px;
}

.contact-card h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.contact-card p {
  font-size: 18px;
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: var(--spacing-xs);
}

.contact-card span {
  font-size: 14px;
  color: var(--text-secondary);
}

/* 联系表单区 */
.contact-form-section {
  padding: var(--spacing-xxl) 0;
  background: var(--bg-light);
}

.delivery-hint {
  padding: 0 0 var(--spacing-xxl) 0;
  background: var(--bg-white);
}

.hint-box {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
  background: var(--bg-light);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
}

.hint-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-primary);
  font-weight: 500;
}

.hint-item i {
  color: var(--primary-color);
}

.delivery {
  padding: var(--spacing-xxl) 0;
  background: var(--bg-light);
}

/* ==========================================
   为什么选择我们样式
   ========================================== */
.why-choose-us {
  padding: var(--spacing-xxl) 0;
  background: var(--bg-white);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
}

.why-card {
  position: relative;
  background: var(--bg-white);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  border: 2px solid var(--border-color);
  transition: var(--transition);
  text-align: center;
}

.why-card:hover {
  border-color: var(--primary-color);
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.why-number {
  position: absolute;
  top: 16px;
  right: 16px;
  font-size: 32px;
  font-weight: 900;
  color: rgba(26, 86, 168, 0.08);
  line-height: 1;
}

.why-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto var(--spacing-md);
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--bg-white);
  font-size: 28px;
}

.why-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.why-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* ==========================================
   交付说明样式
   ========================================== */

.delivery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
}

.delivery-card {
  background: var(--bg-white);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

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

.delivery-icon {
  width: 54px;
  height: 54px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(26, 86, 168, 0.12);
  color: var(--primary-color);
  font-size: 22px;
  margin-bottom: var(--spacing-md);
}

.delivery-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
}

.delivery-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
}

.shots {
  padding: var(--spacing-xxl) 0;
  background: var(--bg-white);
}

.shots-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  align-items: start;
}

.shot-card {
  background: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.shot-card img {
  width: 100%;
  height: auto;
}

.shot-card figcaption {
  padding: 12px 14px;
  color: var(--text-secondary);
  font-size: 14px;
}

.contact-form {
  max-width: 800px;
  margin: 0 auto;
  background: var(--bg-white);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 14px;
  font-family: var(--font-family);
  transition: var(--transition);
  background: var(--bg-white);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(26, 86, 168, 0.1);
}

.form-group textarea {
  resize: vertical;
}

.contact-form button[type="submit"] {
  width: 100%;
}

/* 响应式调整 */
@media (max-width: 768px) {
  .about-content {
    grid-template-columns: 1fr;
  }

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

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

  .hint-box {
    grid-template-columns: 1fr;
  }

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

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

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

  .form-row {
    grid-template-columns: 1fr;
  }
}