/* 阿胶品牌榜 - 高端视觉设计体系 */
:root {
  --primary: #8B1A1A;
  --primary-light: #A52A2A;
  --primary-dark: #5C0F0F;
  --primary-gradient: linear-gradient(135deg, #5C0F0F 0%, #8B1A1A 50%, #A52A2A 100%);
  --accent: #C9A961;
  --accent-light: #E8D5A3;
  --accent-dark: #9A7B2E;
  --accent-gradient: linear-gradient(135deg, #B8860B 0%, #D4AF37 50%, #E8D5A3 100%);
  --bg: #FAF8F5;
  --bg-warm: #FDF8F0;
  --bg-card: #FFFFFF;
  --text: #2C2C2C;
  --text-light: #666666;
  --text-muted: #999999;
  --border: #E8E2D9;
  --border-gold: rgba(201,169,97,0.3);
  --success: #2D7A4F;
  --warning: #D4880F;
  --shadow-sm: 0 1px 4px rgba(139,26,26,0.06);
  --shadow: 0 4px 20px rgba(139,26,26,0.08);
  --shadow-hover: 0 12px 40px rgba(139,26,26,0.16);
  --shadow-gold: 0 4px 20px rgba(201,169,97,0.2);
  --radius: 14px;
  --radius-sm: 8px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 15px;
  background-image: 
    radial-gradient(circle at 15% 20%, rgba(201,169,97,0.04) 0%, transparent 40%),
    radial-gradient(circle at 85% 80%, rgba(139,26,26,0.03) 0%, transparent 40%);
  background-attachment: fixed;
}

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

/* 顶部公告栏 */
.top-notice {
  background: linear-gradient(90deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-dark) 100%);
  color: rgba(255,255,255,0.9);
  text-align: center;
  padding: 10px 16px;
  font-size: 13px;
  position: relative;
  overflow: hidden;
}
.top-notice::before {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
  animation: shimmer 3s infinite;
}
@keyframes shimmer {
  0% { left: -100%; }
  100% { left: 100%; }
}
.top-notice strong { color: var(--accent-light); font-weight: 600; }

/* 导航栏 */
.navbar {
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-gold);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 20px rgba(0,0,0,0.04);
  transition: var(--transition);
}
.navbar:hover {
  box-shadow: 0 4px 30px rgba(139,26,26,0.08);
}
.nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 28px;
  display: flex;
  align-items: center;
  height: 80px;
  gap: 32px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  color: var(--primary);
  white-space: nowrap;
  transition: var(--transition);
}
.logo:hover { transform: scale(1.02); }
.logo img {
  filter: drop-shadow(0 2px 8px rgba(139,26,26,0.15));
  transition: var(--transition);
}
.logo:hover img {
  filter: drop-shadow(0 4px 12px rgba(139,26,26,0.25));
}
.logo-icon {
  width: 40px;
  height: 40px;
  background: var(--primary-gradient);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-light);
  font-size: 20px;
  font-weight: 700;
  box-shadow: 0 4px 12px rgba(139,26,26,0.2);
  position: relative;
}
.logo-icon::after {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: 12px;
  background: var(--accent-gradient);
  z-index: -1;
  opacity: 0.3;
}
.logo span { color: var(--text); }
.logo .domain { font-size: 12px; color: var(--text-muted); font-weight: 400; letter-spacing: 0.5px; }

.nav-menu {
  display: flex;
  gap: 4px;
  flex: 1;
  list-style: none;
}
.nav-menu a {
  display: block;
  padding: 10px 16px;
  border-radius: 8px;
  color: var(--text);
  font-size: 14px;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}
.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--accent-gradient);
  border-radius: 1px;
  transition: width 0.3s ease;
}
.nav-menu a:hover, .nav-menu a.active {
  background: linear-gradient(135deg, #FDF3E0, #FAF0E0);
  color: var(--primary);
}
.nav-menu a:hover::after, .nav-menu a.active::after {
  width: 60%;
}

.nav-search {
  display: flex;
  align-items: center;
  background: var(--bg-warm);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 8px 16px;
  width: 240px;
  transition: var(--transition);
}
.nav-search:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(201,169,97,0.15);
  background: #fff;
}
.nav-search input {
  border: none;
  background: transparent;
  outline: none;
  flex: 1;
  font-size: 13px;
  color: var(--text);
}
.nav-search input::placeholder { color: var(--text-muted); }
.nav-search .icon { color: var(--text-muted); font-size: 14px; margin-right: 8px; }

/* 容器 */
.container { max-width: 1280px; margin: 0 auto; padding: 28px; }
.container-narrow { max-width: 900px; margin: 0 auto; padding: 28px; }

/* Hero区 */
.hero {
  background: var(--primary-gradient);
  color: #fff;
  padding: 64px 28px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -50%; left: -50%;
  width: 200%; height: 200%;
  background: 
    radial-gradient(circle at 20% 30%, rgba(201,169,97,0.2) 0%, transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(201,169,97,0.15) 0%, transparent 40%);
  animation: float 20s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  50% { transform: translate(-2%, -2%) rotate(1deg); }
}
.hero::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 4px;
  background: var(--accent-gradient);
}
.hero h1 { 
  font-size: 38px; 
  font-weight: 700; 
  margin-bottom: 14px; 
  position: relative;
  letter-spacing: 1px;
  text-shadow: 0 2px 20px rgba(0,0,0,0.2);
}
.hero p { 
  font-size: 17px; 
  opacity: 0.92; 
  margin-bottom: 32px; 
  position: relative; 
  max-width: 640px; 
  margin-left: auto; 
  margin-right: auto;
  line-height: 1.8;
}
.hero-search {
  max-width: 600px;
  margin: 0 auto;
  display: flex;
  background: rgba(255,255,255,0.98);
  border-radius: 32px;
  padding: 6px;
  position: relative;
  box-shadow: 0 8px 40px rgba(0,0,0,0.25), 0 0 0 1px rgba(201,169,97,0.3);
}
.hero-search input {
  flex: 1;
  border: none;
  outline: none;
  padding: 14px 24px;
  font-size: 15px;
  border-radius: 28px;
  background: transparent;
}
.hero-search button {
  background: var(--primary-gradient);
  color: #fff;
  border: none;
  padding: 14px 32px;
  border-radius: 28px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.hero-search button::before {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s;
}
.hero-search button:hover::before { left: 100%; }
.hero-search button:hover { 
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(139,26,26,0.4);
}
.hero-tags {
  margin-top: 24px;
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  position: relative;
}
.hero-tags a {
  color: rgba(255,255,255,0.85);
  font-size: 13px;
  padding: 6px 16px;
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 18px;
  transition: var(--transition);
  backdrop-filter: blur(10px);
  background: rgba(255,255,255,0.08);
}
.hero-tags a:hover { 
  background: rgba(255,255,255,0.18); 
  color: #fff; 
  border-color: var(--accent);
  transform: translateY(-2px);
}

/* 区块标题 */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}
.section-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 12px;
  position: relative;
}
.section-title::before {
  content: '';
  width: 5px;
  height: 26px;
  background: var(--accent-gradient);
  border-radius: 3px;
  box-shadow: 0 2px 8px rgba(201,169,97,0.4);
}
.section-more { 
  font-size: 14px; 
  color: var(--text-light);
  padding: 6px 16px;
  border-radius: 18px;
  border: 1px solid var(--border);
  transition: var(--transition);
}
.section-more:hover { 
  color: var(--primary); 
  border-color: var(--accent);
  background: var(--bg-warm);
}

/* 卡片网格 */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
  margin-bottom: 36px;
}
.card {
  background: var(--bg-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: var(--transition);
  border: 1px solid var(--border);
  position: relative;
}
.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--accent-gradient);
  transform: scaleX(0);
  transition: transform 0.4s ease;
  transform-origin: left;
}
.card:hover { 
  transform: translateY(-6px); 
  box-shadow: var(--shadow-hover);
  border-color: var(--border-gold);
}
.card:hover::before { transform: scaleX(1); }
.card-img {
  height: 150px;
  background: linear-gradient(135deg, #FDF3E0 0%, #F5E6D0 50%, #FAF0E0 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 52px;
  position: relative;
  overflow: hidden;
}
.card-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 50%, transparent 30%, rgba(139,26,26,0.05) 100%);
}
.card-img .rank-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--primary-gradient);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 14px;
  box-shadow: 0 2px 8px rgba(139,26,26,0.3);
  z-index: 1;
}
.card-img .rank-badge.gold { 
  background: var(--accent-gradient); 
  color: #5C3A00;
  box-shadow: 0 2px 8px rgba(201,169,97,0.4);
}
.card-img .rank-badge.silver { background: linear-gradient(135deg, #888, #BBB); }
.card-img .rank-badge.bronze { background: linear-gradient(135deg, #B87333, #D4956A); }
.card-body { padding: 18px; }
.card-title { 
  font-size: 16px; 
  font-weight: 600; 
  margin-bottom: 8px; 
  color: var(--text);
  transition: var(--transition);
}
.card:hover .card-title { color: var(--primary); }
.card-meta { font-size: 13px; color: var(--text-light); margin-bottom: 12px; line-height: 1.6; }
.card-score {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}
.score-num { 
  font-size: 24px; 
  font-weight: 700; 
  color: var(--primary);
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.score-label { font-size: 12px; color: var(--text-muted); }
.score-tag {
  font-size: 12px;
  padding: 3px 10px;
  border-radius: 12px;
  font-weight: 600;
}
.tag-s { background: linear-gradient(135deg, #FBE9E9, #FDF3E0); color: var(--primary); }
.tag-a { background: #FDF3E0; color: var(--accent-dark); }
.tag-b { background: #E8F5ED; color: var(--success); }

/* 排行榜表格 */
.rank-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  margin-bottom: 36px;
  border: 1px solid var(--border);
}
.rank-table th {
  background: var(--primary-gradient);
  color: #fff;
  padding: 16px 18px;
  text-align: left;
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.5px;
}
.rank-table td { padding: 14px 18px; border-bottom: 1px solid var(--border); font-size: 14px; }
.rank-table tr:last-child td { border-bottom: none; }
.rank-table tr:hover { background: linear-gradient(90deg, #FDF8F0, #FAF0E0); }
.rank-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  font-weight: 700;
  font-size: 13px;
}
.rank-1 { background: var(--accent-gradient); color: #5C3A00; box-shadow: 0 2px 8px rgba(201,169,97,0.4); }
.rank-2 { background: linear-gradient(135deg, #888, #BBB); color: #fff; }
.rank-3 { background: linear-gradient(135deg, #B87333, #D4956A); color: #fff; }
.rank-other { background: #F0EBE3; color: var(--text-light); }
.brand-name { font-weight: 600; color: var(--text); }
.brand-name small { display: block; font-weight: 400; color: var(--text-muted); font-size: 12px; }
.score-bar {
  display: inline-block;
  width: 100px;
  height: 8px;
  background: #F0EBE3;
  border-radius: 4px;
  overflow: hidden;
  vertical-align: middle;
  margin-right: 10px;
}
.score-bar-fill { 
  height: 100%; 
  background: var(--primary-gradient); 
  border-radius: 4px;
  position: relative;
  overflow: hidden;
}
.score-bar-fill::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  animation: shimmer 2s infinite;
}

/* 文章卡片 */
.article-list { display: flex; flex-direction: column; gap: 18px; margin-bottom: 36px; }
.article-item {
  display: flex;
  gap: 24px;
  background: #fff;
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: var(--transition);
}
.article-item:hover { 
  box-shadow: var(--shadow-hover);
  border-color: var(--border-gold);
  transform: translateX(4px);
}
.article-thumb {
  width: 180px;
  height: 120px;
  background: linear-gradient(135deg, #FDF3E0, #F5E6D0);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 40px;
  flex-shrink: 0;
  position: relative;
  overflow: hidden;
}
.article-content { flex: 1; }
.article-category {
  display: inline-block;
  font-size: 12px;
  padding: 3px 10px;
  background: linear-gradient(135deg, #FDF3E0, #FAF0E0);
  color: var(--accent-dark);
  border-radius: 6px;
  margin-bottom: 8px;
  font-weight: 500;
}
.article-title { font-size: 18px; font-weight: 600; margin-bottom: 10px; color: var(--text); transition: var(--transition); }
.article-title:hover { color: var(--primary); }
.article-excerpt { font-size: 14px; color: var(--text-light); margin-bottom: 12px; line-height: 1.7; }
.article-meta { font-size: 12px; color: var(--text-muted); display: flex; gap: 20px; }

/* 面包屑 */
.breadcrumb {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 20px;
  padding: 12px 16px;
  background: var(--bg-warm);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--accent);
}
.breadcrumb a { color: var(--text-light); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb span { margin: 0 8px; }

/* 文章正文 */
.article-header { margin-bottom: 32px; }
.article-header h1 { 
  font-size: 30px; 
  font-weight: 700; 
  line-height: 1.4; 
  margin-bottom: 16px; 
  color: var(--text);
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.article-meta-row {
  display: flex;
  gap: 24px;
  font-size: 13px;
  color: var(--text-muted);
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border);
}
.article-body { font-size: 15px; line-height: 1.9; color: var(--text); }
.article-body h2 { 
  font-size: 22px; 
  color: var(--primary); 
  margin: 36px 0 18px; 
  padding-bottom: 10px; 
  border-bottom: 2px solid var(--accent-light);
  position: relative;
}
.article-body h2::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 60px; height: 2px;
  background: var(--accent-gradient);
}
.article-body h3 { font-size: 18px; color: var(--primary-light); margin: 28px 0 14px; padding-left: 12px; border-left: 4px solid var(--accent); }
.article-body p { margin-bottom: 16px; }
.article-body table { width: 100%; border-collapse: collapse; margin: 18px 0; font-size: 14px; border-radius: var(--radius-sm); overflow: hidden; }
.article-body th { background: var(--primary-gradient); color: #fff; padding: 12px 14px; text-align: left; }
.article-body td { padding: 12px 14px; border-bottom: 1px solid var(--border); }
.article-body tr:nth-child(even) { background: var(--bg-warm); }
.article-body ul, .article-body ol { margin: 12px 0 18px 24px; }
.article-body li { margin-bottom: 8px; }
.article-body blockquote {
  border-left: 4px solid var(--accent);
  background: linear-gradient(135deg, #FDF6EC, #FAF0E0);
  padding: 16px 22px;
  margin: 18px 0;
  border-radius: 0 10px 10px 0;
  color: var(--text-light);
  font-style: italic;
}
.info-box {
  background: linear-gradient(135deg, #F0F7F2, #E8F5ED);
  border-left: 4px solid var(--success);
  padding: 16px 22px;
  border-radius: 0 10px 10px 0;
  margin: 18px 0;
}
.warning-box {
  background: linear-gradient(135deg, #FDF5EC, #FDF0E0);
  border-left: 4px solid var(--warning);
  padding: 16px 22px;
  border-radius: 0 10px 10px 0;
  margin: 18px 0;
}

/* 品牌详情页 */
.brand-hero {
  background: linear-gradient(135deg, #fff 0%, var(--bg-warm) 100%);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
  margin-bottom: 28px;
  display: flex;
  gap: 32px;
  align-items: flex-start;
  border: 1px solid var(--border-gold);
  position: relative;
  overflow: hidden;
}
.brand-hero::before {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(201,169,97,0.1) 0%, transparent 70%);
  border-radius: 50%;
  transform: translate(30%, -30%);
}
.brand-logo {
  width: 110px;
  height: 110px;
  background: var(--primary-gradient);
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-light);
  font-size: 36px;
  font-weight: 700;
  flex-shrink: 0;
  box-shadow: 0 8px 24px rgba(139,26,26,0.25);
  position: relative;
}
.brand-logo::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 20px;
  background: var(--accent-gradient);
  z-index: -1;
  opacity: 0.4;
}
.brand-info { flex: 1; position: relative; z-index: 1; }
.brand-info h1 { font-size: 28px; font-weight: 700; margin-bottom: 8px; color: var(--text); }
.brand-info .brand-en { font-size: 14px; color: var(--text-muted); margin-bottom: 14px; letter-spacing: 1px; }
.brand-info .brand-desc { font-size: 14px; color: var(--text-light); line-height: 1.8; margin-bottom: 16px; }
.brand-tags { display: flex; gap: 10px; flex-wrap: wrap; }
.brand-tag {
  font-size: 12px;
  padding: 4px 12px;
  background: linear-gradient(135deg, #FDF3E0, #FAF0E0);
  color: var(--accent-dark);
  border-radius: 14px;
  border: 1px solid var(--border-gold);
}
.brand-score-card {
  background: linear-gradient(135deg, #FDF3E0, #FAF0E0);
  border-radius: 14px;
  padding: 24px 28px;
  text-align: center;
  min-width: 160px;
  border: 1px solid var(--border-gold);
  position: relative;
  z-index: 1;
}
.brand-score-card .score { 
  font-size: 40px; 
  font-weight: 700; 
  color: var(--primary);
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.brand-score-card .label { font-size: 13px; color: var(--text-light); margin-bottom: 8px; }
.brand-score-card .grade { font-size: 15px; font-weight: 600; color: var(--accent-dark); }

/* 侧边栏 */
.sidebar { width: 320px; flex-shrink: 0; }
.sidebar-widget {
  background: #fff;
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
  margin-bottom: 22px;
  border: 1px solid var(--border);
  transition: var(--transition);
}
.sidebar-widget:hover { box-shadow: var(--shadow-hover); }
.sidebar-widget h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--accent-light);
  position: relative;
  color: var(--text);
}
.sidebar-widget h3::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 40px; height: 2px;
  background: var(--accent-gradient);
}
.sidebar-list { list-style: none; }
.sidebar-list li { padding: 10px 0; border-bottom: 1px dashed var(--border); font-size: 14px; transition: var(--transition); }
.sidebar-list li:last-child { border-bottom: none; }
.sidebar-list li:hover { padding-left: 6px; }
.sidebar-list a { color: var(--text); display: flex; justify-content: space-between; }
.sidebar-list a:hover { color: var(--primary); }
.sidebar-list .num { color: var(--text-muted); font-size: 12px; background: var(--bg-warm); padding: 2px 8px; border-radius: 10px; }

/* 两栏布局 */
.two-col { display: flex; gap: 28px; align-items: flex-start; }
.two-col .main { flex: 1; min-width: 0; }

/* 页脚 */
.footer {
  background: linear-gradient(180deg, var(--primary-dark) 0%, #3A0808 100%);
  color: rgba(255,255,255,0.75);
  padding: 48px 28px 28px;
  margin-top: 48px;
  position: relative;
  overflow: hidden;
}
.footer::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--accent-gradient);
}
.footer::after {
  content: '';
  position: absolute;
  bottom: -50%; right: -20%;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(201,169,97,0.08) 0%, transparent 70%);
  border-radius: 50%;
}
.footer-inner { max-width: 1280px; margin: 0 auto; position: relative; z-index: 1; }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 36px;
  margin-bottom: 32px;
}
.footer-brand h4 { 
  color: #fff; 
  font-size: 20px; 
  margin-bottom: 14px;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.footer-brand p { font-size: 13px; line-height: 1.8; margin-bottom: 14px; }
.footer-disclaimer {
  background: rgba(0,0,0,0.25);
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 12px;
  color: var(--accent-light);
  margin-top: 14px;
  border-left: 3px solid var(--accent);
}
.footer-col h5 { color: #fff; font-size: 15px; margin-bottom: 16px; position: relative; padding-bottom: 8px; }
.footer-col h5::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 30px; height: 2px;
  background: var(--accent-gradient);
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { color: rgba(255,255,255,0.65); font-size: 13px; transition: var(--transition); }
.footer-col a:hover { color: var(--accent-light); padding-left: 4px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  flex-wrap: wrap;
  gap: 12px;
  color: rgba(255,255,255,0.5);
}

/* 筛选栏 */
.filter-bar {
  background: linear-gradient(135deg, #fff, var(--bg-warm));
  border-radius: var(--radius);
  padding: 18px 22px;
  box-shadow: var(--shadow);
  margin-bottom: 24px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  align-items: center;
  border: 1px solid var(--border-gold);
}
.filter-bar label { font-size: 13px; color: var(--text-light); font-weight: 500; }
.filter-bar select {
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 13px;
  background: #fff;
  color: var(--text);
  cursor: pointer;
  transition: var(--transition);
}
.filter-bar select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(201,169,97,0.15); outline: none; }
.filter-bar .active { background: var(--primary-gradient); color: #fff; border-color: var(--primary); }

/* ============================================
   响应式设计体系
   ============================================ */

/* 汉堡菜单按钮 */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 10px;
  border-radius: 8px;
  transition: var(--transition);
}
.nav-toggle:hover { background: var(--bg-warm); }
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.3s;
}
.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* 移动端遮罩 */
.mobile-overlay {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.5);
  z-index: 99;
  opacity: 0;
  transition: opacity 0.3s;
  backdrop-filter: blur(4px);
}
.mobile-overlay.active { display: block; opacity: 1; }

/* 通用响应式工具类 */
.responsive-2col { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.responsive-3col { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.responsive-4col { display: grid; grid-template-columns: repeat(4,1fr); gap: 18px; }
.responsive-5col { display: grid; grid-template-columns: repeat(5,1fr); gap: 14px; }
.responsive-6col { display: grid; grid-template-columns: repeat(6,1fr); gap: 14px; }
.mobile-only { display: none; }
.desktop-only { display: block; }

/* 表格横向滚动容器 */
.table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 0 -16px;
  padding: 0 16px;
}
.table-scroll table { min-width: 600px; }

/* ========== 大屏 ≤1200px ========== */
@media (max-width: 1200px) {
  .nav-inner { gap: 18px; padding: 0 20px; }
  .nav-menu a { padding: 8px 12px; font-size: 13px; }
  .nav-search { width: 200px; }
  .container { padding: 24px 20px; }
}

/* ========== 桌面小屏 ≤992px ========== */
@media (max-width: 992px) {
  .nav-menu { gap: 2px; }
  .nav-menu a { padding: 6px 10px; font-size: 12px; }
  .nav-search { width: 160px; }
  .nav-search input { font-size: 12px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .two-col { flex-direction: column; }
  .sidebar { width: 100%; }
  .brand-hero { flex-direction: column; }
  .article-item { flex-direction: column; }
  .article-thumb { width: 100%; height: 180px; }
  .responsive-4col { grid-template-columns: repeat(2,1fr); }
  .responsive-6col { grid-template-columns: repeat(3,1fr); }
  .hero h1 { font-size: 32px; }
}

/* ========== 平板 ≤768px ========== */
@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .nav-menu {
    position: fixed;
    top: 0;
    right: -300px;
    width: 300px;
    height: 100vh;
    background: #fff;
    flex-direction: column;
    padding: 80px 24px 24px;
    gap: 6px;
    box-shadow: -4px 0 30px rgba(0,0,0,0.15);
    transition: right 0.3s ease;
    z-index: 100;
    overflow-y: auto;
    flex: none;
  }
  .nav-menu.active { right: 0; display: flex; }
  .nav-menu li { width: 100%; }
  .nav-menu a {
    padding: 14px 18px;
    font-size: 15px;
    border-radius: 10px;
    width: 100%;
  }
  .nav-search { display: none; }
  .nav-inner { height: 64px; gap: 14px; padding: 0 16px; }
  .logo { font-size: 18px; }
  .logo img { height: 48px !important; }

  .hero { padding: 48px 20px; }
  .hero h1 { font-size: 28px; }
  .hero p { font-size: 15px; }
  .hero-search { max-width: 100%; }
  .hero-search input { padding: 12px 18px; font-size: 14px; }
  .hero-search button { padding: 12px 24px; font-size: 14px; }

  .container { padding: 20px 16px; }
  .container-narrow { padding: 20px 16px; }

  .section-title { font-size: 20px; }
  .section-more { font-size: 13px; }

  .card-grid { grid-template-columns: repeat(2,1fr); gap: 16px; }
  .card-img { height: 130px; font-size: 40px; }
  .card-body { padding: 14px; }
  .card-title { font-size: 15px; }
  .card-meta { font-size: 12px; }
  .score-num { font-size: 20px; }

  .article-title { font-size: 16px; }
  .article-excerpt { font-size: 13px; }
  .article-meta { font-size: 11px; gap: 12px; }

  .rank-table th, .rank-table td { padding: 12px 12px; font-size: 13px; }
  .score-bar { width: 60px; }

  .brand-info h1 { font-size: 24px; }
  .brand-logo { width: 90px; height: 90px; font-size: 32px; }
  .brand-score-card .score { font-size: 32px; }

  .article-header h1 { font-size: 24px; }
  .article-body { font-size: 14px; }
  .article-body h2 { font-size: 20px; }
  .article-body h3 { font-size: 17px; }

  .footer { padding: 36px 20px 24px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }

  .responsive-2col { grid-template-columns: 1fr; }
  .responsive-3col { grid-template-columns: 1fr; }
  .responsive-5col { grid-template-columns: repeat(3,1fr); }
  .desktop-only { display: none; }
  .mobile-only { display: block; }

  .top-notice { font-size: 12px; padding: 8px 14px; }
}

/* ========== 手机大屏 ≤576px ========== */
@media (max-width: 576px) {
  .hero h1 { font-size: 24px; }
  .hero p { font-size: 14px; margin-bottom: 24px; }
  .hero-tags { gap: 8px; }
  .hero-tags a { font-size: 12px; padding: 4px 12px; }
  .hero-search { flex-direction: column; background: transparent; box-shadow: none; padding: 0; gap: 10px; }
  .hero-search input { width: 100%; background: #fff; border-radius: 28px; padding: 14px 18px; }
  .hero-search button { width: 100%; border-radius: 28px; padding: 14px; }

  .card-grid { grid-template-columns: 1fr; }
  .card-img { height: 140px; }

  .section-title { font-size: 18px; }
  .section-title::before { height: 20px; }

  .article-item { padding: 16px; }
  .article-thumb { height: 140px; }

  .rank-table th, .rank-table td { padding: 10px 8px; font-size: 12px; }
  .brand-name small { font-size: 11px; }
  .score-bar { width: 50px; }

  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .footer-brand h4 { font-size: 17px; }

  .responsive-5col { grid-template-columns: repeat(2,1fr); }
  .responsive-6col { grid-template-columns: repeat(2,1fr); }

  .filter-bar { padding: 14px; gap: 10px; }
  .filter-bar select { font-size: 12px; padding: 8px 12px; }

  .breadcrumb { font-size: 12px; padding: 10px 14px; }
  .article-meta-row { flex-wrap: wrap; gap: 12px; font-size: 12px; }
}

/* ========== 手机小屏 ≤480px ========== */
@media (max-width: 480px) {
  body { font-size: 14px; }
  .nav-inner { padding: 0 14px; }
  .logo .domain { display: none; }
  .container { padding: 16px 14px; }
  .hero { padding: 36px 16px; }
  .hero h1 { font-size: 22px; }
  .card-body { padding: 12px; }
  .card-title { font-size: 14px; }
  .score-num { font-size: 18px; }
  .article-title { font-size: 15px; }
  .article-excerpt { display: none; }
  .top-notice { font-size: 11px; }
  .nav-menu { width: 280px; right: -280px; }
}

/* ========== 触摸优化 ========== */
@media (hover: none) and (pointer: coarse) {
  .card:hover { transform: none; }
  .article-item:hover { box-shadow: var(--shadow); transform: none; }
  .nav-menu a:active { background: var(--bg-warm); }
  a, button { -webkit-tap-highlight-color: transparent; }
}

/* 评测流程响应式 */
@media (max-width: 768px) {
  .process-flow { flex-direction: column; align-items: stretch; }
  .process-flow .flow-arrow { display: none; }
  .process-flow .flow-step { padding: 14px; text-align: left; display: flex; align-items: center; gap: 14px; }
  .process-flow .flow-step .step-num { margin: 0; flex-shrink: 0; }
  .process-flow .flow-step .step-name, .process-flow .flow-step .step-desc { text-align: left; }
}

/* ========== 打印样式 ========== */
@media print {
  .navbar, .footer, .top-notice, .nav-toggle, .hero-search, .hero-tags { display: none !important; }
  .container { max-width: 100%; padding: 0; }
  .card, .article-item { box-shadow: none; border: 1px solid #ccc; break-inside: avoid; }
  body { background: #fff; color: #000; }
}

/* 滚动条美化 */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent-dark); }

/* 选中文本颜色 */
::selection { background: var(--primary); color: #fff; }