/* 海南民宿聚合平台 - Apple风格样式 */
:root {
  --primary: #0071e3;
  --primary-hover: #0077ed;
  --text-primary: #1d1d1f;
  --text-secondary: #6e6e73;
  --text-tertiary: #86868b;
  --bg-primary: #ffffff;
  --bg-secondary: #f5f5f7;
  --bg-tertiary: #fbfbfd;
  --border: #d2d2d7;
  --success: #34c759;
  --warning: #ff9500;
  --error: #ff3b30;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.12);
  --max-width: 1200px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.47;
  color: var(--text-primary);
  background: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.2s;
}

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

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

/* 导航栏 */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.8);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid rgba(0,0,0,0.08);
}

.navbar-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar-logo {
  font-size: 21px;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

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

.navbar-links {
  display: flex;
  gap: 32px;
  list-style: none;
}

.navbar-links a {
  font-size: 14px;
  color: var(--text-primary);
  opacity: 0.8;
  transition: opacity 0.2s;
}

.navbar-links a:hover {
  opacity: 1;
  color: var(--text-primary);
}

/* 容器 */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* Hero 区域 */
.hero {
  background: var(--bg-tertiary);
  padding: 80px 0 60px;
  text-align: center;
}

.hero h1 {
  font-size: 56px;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.07;
  margin-bottom: 16px;
}

.hero h1 .highlight {
  background: linear-gradient(135deg, #0071e3, #00c6ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 24px;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 32px;
  font-weight: 400;
}

/* 搜索框 */
.search-box {
  max-width: 600px;
  margin: 0 auto;
  display: flex;
  gap: 12px;
  background: var(--bg-primary);
  padding: 8px;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
}

.search-box input {
  flex: 1;
  border: none;
  outline: none;
  font-size: 17px;
  padding: 12px 16px;
  background: transparent;
  color: var(--text-primary);
}

.search-box input::placeholder {
  color: var(--text-tertiary);
}

.search-box button {
  background: var(--primary);
  color: white;
  border: none;
  padding: 12px 28px;
  border-radius: var(--radius-lg);
  font-size: 17px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
}

.search-box button:hover {
  background: var(--primary-hover);
}

.search-box button:active {
  transform: scale(0.98);
}

/* 区域标题 */
.section {
  padding: 60px 0;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 32px;
}

.section-title {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: 17px;
  color: var(--text-secondary);
  margin-top: 4px;
}

.section-link {
  font-size: 17px;
  font-weight: 400;
}

/* 地域卡片网格 */
.region-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.region-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.3s, box-shadow 0.3s;
  aspect-ratio: 4/3;
}

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

.region-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.region-card-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 24px;
  background: linear-gradient(transparent, rgba(0,0,0,0.7));
  color: white;
}

.region-card-name {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 4px;
}

.region-card-desc {
  font-size: 14px;
  opacity: 0.9;
}

.region-card-count {
  position: absolute;
  top: 16px;
  right: 16px;
  background: rgba(255,255,255,0.9);
  color: var(--text-primary);
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
}

/* 民宿卡片网格 */
.stay-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.stay-card {
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.3s, box-shadow 0.3s;
  border: 1px solid var(--border);
}

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

.stay-card-image {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  background: var(--bg-secondary);
}

.stay-card-body {
  padding: 16px;
}

.stay-card-name {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 6px;
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.stay-card-area {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 10px;
}

.stay-card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.stay-card-rating {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 14px;
  font-weight: 500;
}

.stay-card-rating .star {
  color: var(--warning);
}

.stay-card-reviews {
  font-size: 13px;
  color: var(--text-tertiary);
}

.stay-card-price {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
}

.stay-card-price .unit {
  font-size: 12px;
  font-weight: 400;
  color: var(--text-secondary);
}

.stay-card-platform {
  display: inline-block;
  margin-top: 8px;
  padding: 2px 8px;
  background: var(--bg-secondary);
  border-radius: 4px;
  font-size: 11px;
  color: var(--text-secondary);
}

/* 详情页 */
.detail-hero {
  padding: 40px 0;
}

.detail-header {
  margin-bottom: 32px;
}

.detail-title {
  font-size: 40px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.detail-subtitle {
  font-size: 20px;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.detail-meta {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.detail-meta-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 15px;
  color: var(--text-secondary);
}

.detail-gallery {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 8px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 40px;
  aspect-ratio: 16/7;
}

.detail-gallery img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.detail-gallery img:first-child {
  grid-row: 1 / 3;
}

.detail-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 48px;
}

.detail-section {
  margin-bottom: 40px;
}

.detail-section-title {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 16px;
}

.detail-section-text {
  font-size: 17px;
  line-height: 1.6;
  color: var(--text-secondary);
}

/* 评价卡片 */
.review-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.review-card {
  padding: 20px;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
}

.review-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.review-user {
  font-weight: 600;
  font-size: 15px;
}

.review-rating {
  color: var(--warning);
  font-size: 14px;
}

.review-date {
  font-size: 13px;
  color: var(--text-tertiary);
  margin-bottom: 8px;
}

.review-content {
  font-size: 15px;
  line-height: 1.5;
  color: var(--text-primary);
}

.review-platform {
  display: inline-block;
  margin-top: 10px;
  padding: 2px 8px;
  background: var(--bg-primary);
  border-radius: 4px;
  font-size: 11px;
  color: var(--text-secondary);
}

/* 预订侧边栏 */
.booking-card {
  position: sticky;
  top: 80px;
  padding: 24px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.booking-price {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 4px;
}

.booking-price .unit {
  font-size: 16px;
  font-weight: 400;
  color: var(--text-secondary);
}

.booking-rating {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 20px;
  font-size: 14px;
}

.booking-btn {
  width: 100%;
  padding: 14px;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-size: 17px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
  margin-bottom: 12px;
}

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

.booking-btn-secondary {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

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

/* 加载状态 */
.loading {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 60px;
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.empty-state {
  text-align: center;
  padding: 80px 20px;
}

.empty-state-icon {
  font-size: 64px;
  margin-bottom: 16px;
}

.empty-state-title {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 8px;
}

.empty-state-text {
  font-size: 17px;
  color: var(--text-secondary);
}

/* 页脚 */
.footer {
  background: var(--bg-secondary);
  padding: 40px 0;
  margin-top: 60px;
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-text {
  font-size: 13px;
  color: var(--text-tertiary);
}

.footer-links {
  display: flex;
  gap: 24px;
  list-style: none;
}

.footer-links a {
  font-size: 13px;
  color: var(--text-secondary);
}

/* 面包屑 */
.breadcrumb {
  padding: 20px 0;
  font-size: 14px;
  color: var(--text-secondary);
}

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

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

.breadcrumb span {
  margin: 0 8px;
}

/* 筛选栏 */
.filter-bar {
  display: flex;
  gap: 12px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.filter-select {
  padding: 10px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 15px;
  background: var(--bg-primary);
  color: var(--text-primary);
  cursor: pointer;
  outline: none;
}

.filter-select:focus {
  border-color: var(--primary);
}

/* 响应式 */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 36px;
  }
  
  .hero p {
    font-size: 19px;
  }
  
  .section-title {
    font-size: 24px;
  }
  
  .detail-title {
    font-size: 28px;
  }
  
  .detail-content {
    grid-template-columns: 1fr;
  }
  
  .detail-gallery {
    grid-template-columns: 1fr 1fr;
    aspect-ratio: auto;
  }
  
  .detail-gallery img:first-child {
    grid-column: 1 / 3;
    grid-row: auto;
  }
  
  .navbar-links {
    display: none;
  }
  
  .region-grid,
  .stay-grid {
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 12px;
  }
}