/* ============================================================
   西安辰宇吉利 4.0 旗舰店 - 官方营销网站样式表
   主色调：吉利蓝 #0066FF，辅助色：白色/灰色/深蓝
   响应式：PC / 平板 / 手机 自适应
   ============================================================ */

/* ---------- CSS 变量 ---------- */
:root {
  --primary: #0066FF;
  --primary-dark: #0052CC;
  --primary-light: #E6F0FF;
  --secondary: #FF6B00;
  --text: #1A1A1A;
  --text-light: #666666;
  --text-lighter: #999999;
  --bg: #FFFFFF;
  --bg-light: #F5F7FA;
  --bg-gray: #F0F2F5;
  --border: #E5E8ED;
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  --shadow-hover: 0 8px 30px rgba(0, 102, 255, 0.15);
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 20px;
  --max-width: 1200px;
  --header-height: 72px;
  --transition: all 0.3s ease;
}

/* ---------- 基础重置 ---------- */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

ul, ol {
  list-style: none;
}

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

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

/* ---------- 通用容器 ---------- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: 80px 0;
}

.section-light {
  background: var(--bg-light);
}

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

.section-title h2 {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text);
}

.section-title h2 span {
  color: var(--primary);
}

.section-title p {
  font-size: 16px;
  color: var(--text-light);
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  border-radius: 50px;
  font-size: 16px;
  font-weight: 600;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 15px rgba(0, 102, 255, 0.3);
}

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

.btn-secondary {
  background: var(--secondary);
  color: #fff;
  box-shadow: 0 4px 15px rgba(255, 107, 0, 0.3);
}

.btn-secondary:hover {
  background: #E55A00;
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

.btn-outline:hover {
  background: var(--primary);
  color: #fff;
}

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

.btn-white:hover {
  background: var(--primary-light);
}

/* ---------- 顶部导航 ---------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  z-index: 1000;
  transition: var(--transition);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-icon {
  width: 44px;
  height: 44px;
  background: var(--primary);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 18px;
}

.logo-text {
  line-height: 1.2;
}

.logo-text strong {
  display: block;
  font-size: 18px;
  color: var(--text);
}

.logo-text small {
  font-size: 12px;
  color: var(--text-light);
}

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

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

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

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

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

.header-btns {
  display: flex;
  align-items: center;
  gap: 16px;
}

.header-btns .btn {
  padding: 10px 24px;
  font-size: 14px;
}

.phone-link {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 15px;
  font-weight: 600;
  color: var(--primary);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  background: none;
}

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

/* ---------- 轮播 banner ---------- */
.hero {
  position: relative;
  height: 700px;
  margin-top: var(--header-height);
  overflow: hidden;
  background: linear-gradient(135deg, #003D99 0%, #0066FF 100%);
}

.hero-slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  opacity: 0;
  transition: opacity 0.8s ease;
  background-size: cover;
  background-position: center;
}

.hero-slide.active {
  opacity: 1;
}

.hero-slide::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(0, 30, 80, 0.85) 0%, rgba(0, 30, 80, 0.4) 60%, transparent 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 640px;
  color: #fff;
}

.hero-tag {
  display: inline-block;
  padding: 6px 16px;
  background: var(--secondary);
  border-radius: 50px;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 20px;
}

.hero h1 {
  font-size: 52px;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
}

.hero h1 span {
  color: #FFD700;
}

.hero p {
  font-size: 20px;
  margin-bottom: 32px;
  opacity: 0.95;
}

.hero-btns {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-dots {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 3;
}

.hero-dots button {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
  cursor: pointer;
  transition: var(--transition);
}

.hero-dots button.active {
  background: #fff;
  width: 32px;
  border-radius: 6px;
}

/* ---------- 占位图 ---------- */
.img-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--bg-gray) 0%, var(--border) 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--text-lighter);
  text-align: center;
  gap: 8px;
  border-radius: var(--radius);
  overflow: hidden;
}

.img-placeholder svg {
  width: 48px;
  height: 48px;
  opacity: 0.5;
}

.img-placeholder span {
  font-size: 14px;
}

/* ---------- 优势板块 ---------- */
.advantages {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.advantage-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 36px 24px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 1px solid var(--border);
}

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

.advantage-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 20px;
  background: var(--primary-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
}

.advantage-icon svg {
  width: 36px;
  height: 36px;
}

.advantage-card h3 {
  font-size: 20px;
  margin-bottom: 10px;
}

.advantage-card p {
  font-size: 14px;
  color: var(--text-light);
}

/* ---------- 车型展示 ---------- */
.models-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.model-card {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 1px solid var(--border);
}

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

.model-img {
  height: 180px;
  background: var(--bg-light);
}

.model-info {
  padding: 24px;
}

.model-info h3 {
  font-size: 20px;
  margin-bottom: 6px;
}

.model-info .tag {
  display: inline-block;
  padding: 4px 10px;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 4px;
  font-size: 12px;
  margin-bottom: 12px;
}

.model-info .price {
  font-size: 14px;
  color: var(--text-light);
  margin-bottom: 16px;
}

.model-info .price strong {
  font-size: 22px;
  color: var(--secondary);
}

.model-actions {
  display: flex;
  gap: 10px;
}

.model-actions .btn {
  flex: 1;
  padding: 10px 0;
  font-size: 14px;
}

/* ---------- 优惠活动 ---------- */
.offers-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.offer-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}

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

.offer-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--primary);
}

.offer-card.offer-hot::before {
  background: var(--secondary);
}

.offer-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  padding: 4px 12px;
  background: var(--secondary);
  color: #fff;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
}

.offer-icon {
  width: 56px;
  height: 56px;
  background: var(--primary-light);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  margin-bottom: 20px;
}

.offer-card h3 {
  font-size: 22px;
  margin-bottom: 10px;
}

.offer-card p {
  font-size: 15px;
  color: var(--text-light);
  margin-bottom: 20px;
}

.offer-price {
  font-size: 28px;
  font-weight: 700;
  color: var(--secondary);
  margin-bottom: 20px;
}

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

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--text);
}

.form-group label .required {
  color: #FF4D4F;
  margin-left: 2px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 15px;
  transition: var(--transition);
  background: #fff;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.form-tip {
  font-size: 13px;
  color: var(--text-lighter);
  margin-top: 12px;
}

.form-tip a {
  color: var(--primary);
  text-decoration: underline;
}

.form-success {
  display: none;
  padding: 16px;
  background: #F6FFED;
  border: 1px solid #B7EB8F;
  border-radius: var(--radius-sm);
  color: #389E0D;
  margin-bottom: 20px;
}

.form-error {
  display: none;
  padding: 16px;
  background: #FFF2F0;
  border: 1px solid #FFCCC7;
  border-radius: var(--radius-sm);
  color: #CF1322;
  margin-bottom: 20px;
}

/* ---------- 预约试驾区域 ---------- */
.booking-section {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  color: #fff;
}

.booking-section .section-title h2,
.booking-section .section-title p {
  color: #fff;
}

.booking-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.booking-info h3 {
  font-size: 28px;
  margin-bottom: 20px;
}

.booking-info ul {
  margin-bottom: 28px;
}

.booking-info li {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
  font-size: 16px;
}

.booking-info li svg {
  color: #FFD700;
}

.booking-form {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 40px;
  color: var(--text);
}

/* ---------- 门店展示 ---------- */
.store-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 48px;
}

.store-gallery .gallery-item {
  height: 260px;
  border-radius: var(--radius);
  overflow: hidden;
}

.store-gallery .gallery-item:first-child {
  grid-column: span 2;
  grid-row: span 2;
  height: 540px;
}

.store-info-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.store-info-item {
  text-align: center;
  padding: 28px 20px;
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.store-info-item strong {
  display: block;
  font-size: 32px;
  color: var(--primary);
  margin-bottom: 6px;
}

.store-info-item span {
  font-size: 14px;
  color: var(--text-light);
}

/* ---------- 地图 ---------- */
.map-container {
  height: 400px;
  background: var(--bg-gray);
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
}

.map-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  gap: 12px;
}

.map-placeholder a {
  color: var(--primary);
  font-weight: 600;
}

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

.review-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

.review-stars {
  color: #FFB800;
  margin-bottom: 16px;
  font-size: 18px;
}

.review-card p {
  font-size: 15px;
  color: var(--text);
  margin-bottom: 20px;
  line-height: 1.8;
}

.review-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.review-author .avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-weight: 600;
}

.review-author strong {
  display: block;
  font-size: 15px;
}

.review-author span {
  font-size: 13px;
  color: var(--text-light);
}

/* ---------- 页脚 ---------- */
.footer {
  background: #0A1628;
  color: #fff;
  padding: 64px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}

.footer-brand .logo {
  margin-bottom: 20px;
}

.footer-brand .logo-icon {
  background: #fff;
  color: var(--primary);
}

.footer-brand .logo-text strong {
  color: #fff;
}

.footer-brand .logo-text small {
  color: rgba(255, 255, 255, 0.6);
}

.footer-brand p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.8;
  margin-bottom: 20px;
}

.footer-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 20px;
  color: #fff;
}

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

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

.footer-links a:hover {
  color: var(--primary);
}

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 14px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
}

.footer-contact svg {
  color: var(--primary);
  flex-shrink: 0;
  margin-top: 3px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.5);
  text-decoration: underline;
}

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

/* ---------- 悬浮按钮 ---------- */
.float-btns {
  position: fixed;
  right: 24px;
  bottom: 100px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 999;
}

.float-btn {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 15px rgba(0, 102, 255, 0.3);
  transition: var(--transition);
  position: relative;
}

.float-btn:hover {
  transform: scale(1.1);
  background: var(--primary-dark);
}

.float-btn.booking-btn {
  background: var(--secondary);
}

.float-btn.booking-btn:hover {
  background: #E55A00;
}

.float-btn svg {
  width: 24px;
  height: 24px;
}

.float-btn span {
  position: absolute;
  right: 64px;
  white-space: nowrap;
  background: rgba(0, 0, 0, 0.8);
  color: #fff;
  padding: 6px 12px;
  border-radius: 4px;
  font-size: 13px;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.float-btn:hover span {
  opacity: 1;
  visibility: visible;
}

/* ---------- 面包屑 ---------- */
.breadcrumb {
  background: var(--bg-light);
  padding: 120px 0 24px;
  border-bottom: 1px solid var(--border);
}

.breadcrumb .container {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-light);
}

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

.breadcrumb strong {
  color: var(--text);
}

/* ---------- 内页通用 ---------- */
.page-content {
  padding: 48px 0 80px;
}

.page-intro {
  max-width: 800px;
  margin: 0 auto 48px;
  text-align: center;
}

.page-intro h1 {
  font-size: 36px;
  margin-bottom: 16px;
}

.page-intro p {
  font-size: 16px;
  color: var(--text-light);
  line-height: 1.8;
}

/* ---------- 车型详情页 ---------- */
.model-detail-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 48px;
  align-items: start;
}

.model-detail-img {
  height: 460px;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.model-detail-info h1 {
  font-size: 36px;
  margin-bottom: 8px;
}

.model-detail-info .subtitle {
  color: var(--text-light);
  margin-bottom: 24px;
}

.model-price-box {
  background: var(--bg-light);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 24px;
}

.model-price-box .label {
  font-size: 14px;
  color: var(--text-light);
  margin-bottom: 6px;
}

.model-price-box .price {
  font-size: 32px;
  font-weight: 700;
  color: var(--secondary);
}

.model-specs {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 28px;
}

.model-specs .spec-item {
  padding: 16px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

.model-specs .spec-item span {
  display: block;
  font-size: 13px;
  color: var(--text-light);
  margin-bottom: 4px;
}

.model-specs .spec-item strong {
  font-size: 18px;
  color: var(--text);
}

/* ---------- 售后 / 置换等卡片 ---------- */
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: var(--transition);
}

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

.service-card .service-icon {
  width: 64px;
  height: 64px;
  background: var(--primary-light);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  margin-bottom: 20px;
}

.service-card h3 {
  font-size: 20px;
  margin-bottom: 12px;
}

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

/* ---------- 新闻列表 ---------- */
.news-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.news-item {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 28px;
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: var(--transition);
}

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

.news-img {
  height: 100%;
  min-height: 200px;
}

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

.news-content .date {
  font-size: 13px;
  color: var(--primary);
  margin-bottom: 10px;
  font-weight: 500;
}

.news-content h3 {
  font-size: 20px;
  margin-bottom: 12px;
}

.news-content p {
  font-size: 15px;
  color: var(--text-light);
  line-height: 1.8;
}

/* ---------- 隐私政策 ---------- */
.privacy-content {
  max-width: 900px;
  margin: 0 auto;
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

.privacy-content h2 {
  font-size: 24px;
  margin: 36px 0 16px;
  color: var(--text);
}

.privacy-content h2:first-child {
  margin-top: 0;
}

.privacy-content p,
.privacy-content li {
  font-size: 15px;
  color: var(--text-light);
  line-height: 1.8;
  margin-bottom: 12px;
}

.privacy-content ul {
  list-style: disc;
  padding-left: 24px;
  margin-bottom: 16px;
}

/* ---------- 响应式适配 ---------- */
@media (max-width: 1024px) {
  .nav {
    display: none;
  }

  .header-btns .phone-link {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .hero h1 {
    font-size: 40px;
  }

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

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

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

  .booking-layout,
  .model-detail-grid {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 768px) {
  :root {
    --header-height: 64px;
  }

  .section {
    padding: 56px 0;
  }

  .section-title h2 {
    font-size: 28px;
  }

  .hero {
    height: 600px;
  }

  .hero h1 {
    font-size: 32px;
  }

  .hero p {
    font-size: 16px;
  }

  .hero-btns .btn {
    width: 100%;
  }

  .advantages,
  .models-grid,
  .offers-grid,
  .service-grid,
  .reviews-grid,
  .store-info-grid {
    grid-template-columns: 1fr;
  }

  .store-gallery {
    grid-template-columns: 1fr;
  }

  .store-gallery .gallery-item:first-child {
    grid-column: span 1;
    grid-row: span 1;
    height: 260px;
  }

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

  .news-item {
    grid-template-columns: 1fr;
  }

  .news-img {
    min-height: 200px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .booking-form {
    padding: 28px 20px;
  }

  .model-detail-img {
    height: 280px;
  }

  .float-btns {
    right: 16px;
    bottom: 80px;
  }

  .float-btn {
    width: 48px;
    height: 48px;
  }

  .float-btn span {
    display: none;
  }

  .mobile-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.98);
    z-index: 999;
    padding: 24px;
    transform: translateX(100%);
    transition: transform 0.3s ease;
  }

  .mobile-nav.active {
    transform: translateX(0);
  }

  .mobile-nav a {
    display: block;
    padding: 16px 0;
    font-size: 18px;
    font-weight: 500;
    border-bottom: 1px solid var(--border);
  }

  .mobile-nav .btn {
    margin-top: 24px;
    width: 100%;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 26px;
  }

  .section-title h2 {
    font-size: 24px;
  }

  .model-actions {
    flex-direction: column;
  }
}