/* ===== MiraIdeal - 完全参考什么值得买设计风格 ===== */
:root {
  --primary: #E74C3C;
  --primary-dark: #C0392B;
  --secondary: #2c3e50;
  --light: #f5f5f5;
  --gray: #95a5a6;
  --border: #eee;
  --shadow: 0 2px 8px rgba(0,0,0,0.06);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  color: #333;
  background: var(--light);
  line-height: 1.6;
}

a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-dark); }

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ===== 顶部Header - 参考什么值得买 ===== */
.top-header {
  background: #fff;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.top-header-inner {
  display: flex;
  align-items: center;
  gap: 32px;
  padding: 16px 0;
}

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

.logo-icon {
  width: 40px;
  height: 40px;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 20px;
}

.logo-text {
  font-size: 20px;
  font-weight: 600;
  color: #333;
}

.top-search {
  flex: 1;
  max-width: 600px;
  display: flex;
  border: 2px solid var(--primary);
  border-radius: 24px;
  overflow: hidden;
}

.top-search input {
  flex: 1;
  padding: 10px 20px;
  border: none;
  outline: none;
  font-size: 14px;
}

.search-btn {
  padding: 0 20px;
  background: var(--primary);
  color: #fff;
  border: none;
  cursor: pointer;
  font-size: 16px;
}

.top-user {
  display: flex;
  align-items: center;
}

.lang-switcher {
  display: flex;
  gap: 4px;
  background: var(--light);
  border-radius: 20px;
  padding: 4px;
}

.lang-btn {
  padding: 4px 12px;
  border: none;
  background: transparent;
  border-radius: 16px;
  font-size: 12px;
  cursor: pointer;
  color: #666;
  transition: all 0.2s;
}

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

.lang-btn:hover:not(.active) {
  background: #ddd;
}

/* ===== 主导航栏 ===== */
.main-nav {
  background: #fff;
  border-bottom: 1px solid var(--border);
}

.main-nav .container {
  display: flex;
  gap: 32px;
}

.nav-item {
  padding: 14px 0;
  font-size: 15px;
  font-weight: 500;
  color: #666;
  border-bottom: 2px solid transparent;
}

.nav-item:hover, .nav-item.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

/* ===== 主内容双栏布局 ===== */
.main-container {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 24px;
  margin: 24px auto;
}

/* ===== 左侧分类侧边栏 ===== */
.sidebar {
  background: #fff;
  border-radius: 8px;
  padding: 16px;
  box-shadow: var(--shadow);
  height: fit-content;
  position: sticky;
  top: 120px;
}

.sidebar-section {
  margin-bottom: 24px;
}

.sidebar-title {
  font-size: 14px;
  font-weight: 600;
  color: #333;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.sidebar-list {
  list-style: none;
}

.sidebar-list li {
  margin-bottom: 2px;
}

.sidebar-list a {
  display: block;
  padding: 8px 10px;
  border-radius: 6px;
  color: #666;
  font-size: 14px;
  transition: all 0.2s;
}

.sidebar-list a:hover {
  background: #fff5f5;
  color: var(--primary);
}

/* ===== 右侧主内容区 ===== */
.main-content {
  min-width: 0;
}

/* Hero Banner */
.hero-banner {
  background: linear-gradient(135deg, var(--primary) 0%, #ff7675 100%);
  color: #fff;
  padding: 32px;
  border-radius: 8px;
  margin-bottom: 24px;
  text-align: center;
}

.hero-banner h1 {
  font-size: 24px;
  margin-bottom: 8px;
}

.hero-banner p {
  opacity: 0.95;
  font-size: 14px;
}

/* Section标题 */
.section {
  margin-bottom: 32px;
}

.section-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 16px;
  padding-left: 12px;
  border-left: 4px solid var(--primary);
}

/* ===== 好价商品卡片 ===== */
.deals-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.deal-card {
  background: #fff;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all 0.2s;
}

.deal-card:hover {
  box-shadow: 0 4px 16px rgba(0,0,0,0.1);
}

.deal-store {
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 600;
  color: #fff;
}

.store-ML { background: #ffe600; color: #333; }
.store-FA { background: #e4002b; }
.store-RP { background: #0033a0; }

.deal-product {
  display: flex;
  gap: 16px;
  padding: 16px;
}

.deal-icon {
  font-size: 40px;
  width: 60px;
  height: 60px;
  background: var(--light);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.deal-info {
  flex: 1;
  min-width: 0;
}

.deal-info h3 {
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 8px;
  line-height: 1.4;
}

.deal-price-row {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 12px;
}

.deal-price-now {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary);
}

.deal-price-old {
  font-size: 13px;
  color: var(--gray);
  text-decoration: line-through;
}

.deal-discount {
  background: #ffeaea;
  color: var(--primary);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
}

.deal-btn {
  display: inline-block;
  padding: 6px 16px;
  background: var(--primary);
  color: #fff;
  border-radius: 4px;
  font-size: 13px;
  font-weight: 500;
}

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

/* ===== 文章列表 ===== */
.articles-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.article-item {
  background: #fff;
  border-radius: 8px;
  padding: 20px;
  box-shadow: var(--shadow);
  transition: all 0.2s;
}

.article-item:hover {
  box-shadow: 0 4px 16px rgba(0,0,0,0.1);
}

.article-tag {
  display: inline-block;
  background: #fff5f5;
  color: var(--primary);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 500;
  margin-bottom: 8px;
}

.article-item h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 6px;
  color: #333;
}

.article-item:hover h3 {
  color: var(--primary);
}

.article-excerpt {
  font-size: 14px;
  color: #666;
  margin-bottom: 8px;
  line-height: 1.5;
}

.article-meta {
  display: flex;
  gap: 16px;
  font-size: 12px;
  color: var(--gray);
}

/* ===== 邮件订阅 ===== */
.newsletter-box {
  background: #fff;
  border-radius: 8px;
  padding: 24px;
  box-shadow: var(--shadow);
  text-align: center;
}

.newsletter-box h3 {
  font-size: 18px;
  margin-bottom: 8px;
}

.newsletter-box p {
  font-size: 14px;
  color: #666;
  margin-bottom: 16px;
}

.newsletter-box form {
  display: flex;
  gap: 8px;
  max-width: 400px;
  margin: 0 auto;
}

.newsletter-box input {
  flex: 1;
  padding: 10px 16px;
  border: 1px solid var(--border);
  border-radius: 4px;
  outline: none;
}

.newsletter-box button {
  padding: 10px 20px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

/* ===== Footer ===== */
.footer {
  background: #fff;
  border-top: 1px solid var(--border);
  padding: 32px 0;
  margin-top: 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 24px;
}

.footer h4 {
  font-size: 14px;
  margin-bottom: 12px;
}

.footer ul { list-style: none; }
.footer ul li { margin-bottom: 6px; }
.footer a { color: #666; font-size: 13px; }
.footer a:hover { color: var(--primary); }

.footer-bottom {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  font-size: 12px;
  color: var(--gray);
}

/* ===== 响应式 ===== */
@media (max-width: 968px) {
  .main-container {
    grid-template-columns: 1fr;
  }
  
  .sidebar {
    display: none;
  }
  
  .deals-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .top-search {
    display: none;
  }
  
  .main-nav .container {
    overflow-x: auto;
  }
}