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

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
  color: #333;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
}

body.ui-style-6 {
  --primary-color: #a8edea;
  --secondary-color: #fed6e3;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
  background: rgba(255, 255, 255, 0.95);
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

/* 顶部导航 - 移动端单行布局 */
header {
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
  padding: 15px 0;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
}

nav {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}

.nav-container {
  display: flex;
  flex-wrap: nowrap;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}

.logo {
  font-size: 22px;
  font-weight: bold;
  color: white;
  text-decoration: none;
  white-space: nowrap;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  flex-wrap: nowrap;
  list-style: none;
  gap: 5px;
  flex: 1;
  justify-content: flex-end;
  overflow: hidden;
}

.nav-links li {
  flex: 0 0 auto;
  min-width: 0;
}

.nav-links a {
  color: white;
  text-decoration: none;
  padding: 8px 12px;
  border-radius: 6px;
  transition: all 0.3s;
  display: block;
  white-space: nowrap;
  font-size: 15px;
}

.nav-links a:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

/* 移动端适配 */
@media (max-width: 768px) {
  .logo {
    font-size: 16px;
    padding: 5px 8px;
  }

  .nav-links {
    gap: 2px;
  }

  .nav-links a {
    font-size: 12px;
    padding: 6px 8px;
    overflow: hidden;
    text-overflow: ellipsis;
  }
}

@media (max-width: 480px) {
  .logo {
    font-size: 14px;
    padding: 4px 6px;
  }

  .nav-links a {
    font-size: 11px;
    padding: 5px 6px;
  }
}

/* 标题 */
h1 {
  font-size: 2.5em;
  margin: 30px 0 20px;
  color: var(--primary-color);
  line-height: 1.2;
}

h2 {
  font-size: 1.8em;
  margin: 25px 0 15px;
  color: var(--secondary-color);
  border-left: 4px solid var(--primary-color);
  padding-left: 15px;
}

h3 {
  font-size: 1.3em;
  margin: 20px 0 10px;
  color: #555;
}

/* 段落 */
p {
  margin: 15px 0;
  line-height: 1.8;
}

/* 列表 */
ul {
  list-style: none;
}

/* 卡片 */
.card {
  background: white;
  border-radius: 8px;
  padding: 20px;
  margin: 15px 0;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  transition: all 0.3s;
  border-left: 4px solid var(--primary-color);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.card h3 {
  margin-top: 0;
  color: var(--primary-color);
}

.card a {
  color: var(--secondary-color);
  text-decoration: none;
  font-weight: 500;
}

.card a:hover {
  text-decoration: underline;
}

/* 元信息 */
.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  margin: 20px 0;
  padding: 15px;
  background: #f8f9fa;
  border-radius: 6px;
}

.meta-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.meta-label {
  font-weight: bold;
  color: #666;
}

.meta-value {
  color: #333;
}

/* 标签 */
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 15px 0;
}

.tag {
  display: inline-block;
  padding: 5px 12px;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white;
  border-radius: 20px;
  font-size: 0.85em;
}

/* 内容区块 */
.section {
  margin: 30px 0;
  padding: 25px;
  background: #fafbfc;
  border-radius: 8px;
}

/* 网格布局 */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
  margin: 20px 0;
}

/* 响应式 */
@media (max-width: 768px) {
  .container {
    padding: 15px;
  }

  h1 {
    font-size: 1.8em;
  }

  h2 {
    font-size: 1.4em;
  }

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

  .meta {
    flex-direction: column;
    gap: 10px;
  }
}

/* 按钮 */
.btn {
  display: inline-block;
  padding: 10px 20px;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white;
  text-decoration: none;
  border-radius: 6px;
  transition: all 0.3s;
  border: none;
  cursor: pointer;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* 链接 */
a {
  color: var(--primary-color);
  transition: color 0.3s;
}

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