/* ========================================
   老式玩具 - 怀旧风格样式表
   www.laoshitoy.cn
   ======================================== */

/* CSS 变量 */
:root {
  --primary: #8B4513;
  --primary-light: #D2691E;
  --secondary: #F5DEB3;
  --accent: #CD853F;
  --bg-main: #FFFAF0;
  --bg-card: #FFF8DC;
  --text-main: #3E2723;
  --text-muted: #6D4C41;
  --border: #D2B48C;
  --shadow: rgba(139, 69, 19, 0.15);
  --radius: 8px;
  --max-width: 1200px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  background: var(--bg-main);
  color: var(--text-main);
  line-height: 1.6;
}

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

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

/* ========================================
   布局
   ======================================== */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* ========================================
   页头
   ======================================== */
.header {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  color: #fff;
  padding: 15px 0;
  box-shadow: 0 2px 10px var(--shadow);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 15px;
}

.logo {
  font-size: 1.5rem;
  font-weight: bold;
  color: #fff;
}

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

.nav {
  display: flex;
  gap: 25px;
}

.nav a {
  color: rgba(255,255,255,0.9);
  font-size: 0.95rem;
  transition: color 0.3s;
}

.nav a:hover {
  color: #fff;
}

/* ========================================
   搜索框
   ======================================== */
.search-box {
  background: var(--bg-card);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 20px;
  width: 100%;
  max-width: 500px;
  font-size: 1rem;
  outline: none;
  transition: border-color 0.3s;
}

.search-box:focus {
  border-color: var(--primary);
}

.search-wrap {
  position: relative;
}

.search-wrap::after {
  content: "🔍";
  position: absolute;
  right: 15px;
  top: 50%;
  transform: translateY(-50%);
  opacity: 0.5;
}

/* ========================================
   Hero 区域
   ======================================== */
.hero {
  background: linear-gradient(135deg, var(--secondary) 0%, var(--bg-card) 100%);
  padding: 50px 0;
  text-align: center;
}

.hero h1 {
  font-size: 2rem;
  color: var(--primary);
  margin-bottom: 15px;
}

.hero p {
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 25px;
}

/* ========================================
   分类筛选
   ======================================== */
.category-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin: 30px 0;
}

.category-btn {
  background: #fff;
  border: 1px solid var(--border);
  padding: 8px 20px;
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.3s;
  font-size: 0.9rem;
}

.category-btn:hover,
.category-btn.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

/* ========================================
   卡片
   ======================================== */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  transition: transform 0.3s, box-shadow 0.3s;
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 5px 20px var(--shadow);
}

.card-title {
  font-size: 1.1rem;
  color: var(--primary);
  margin-bottom: 10px;
}

.card-desc {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

.card-meta {
  display: flex;
  gap: 15px;
  margin-top: 15px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ========================================
   链接列表
   ======================================== */
.link-list {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.link-item {
  display: flex;
  align-items: flex-start;
  gap: 15px;
  padding: 15px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all 0.3s;
}

.link-item:hover {
  border-color: var(--primary);
  box-shadow: 0 3px 10px var(--shadow);
}

.link-icon {
  width: 50px;
  height: 50px;
  background: var(--secondary);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.link-content {
  flex: 1;
}

.link-title {
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 5px;
}

.link-url {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 5px;
}

.link-desc {
  font-size: 0.9rem;
  color: var(--text-main);
}

.link-badge {
  display: inline-block;
  padding: 3px 10px;
  background: #4CAF50;
  color: #fff;
  font-size: 0.75rem;
  border-radius: 12px;
  margin-left: 10px;
}

/* ========================================
   面包屑
   ======================================== */
.breadcrumb {
  background: var(--bg-card);
  padding: 15px 0;
  border-bottom: 1px solid var(--border);
}

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

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

.breadcrumb span {
  margin: 0 8px;
  color: var(--border);
}

/* ========================================
   分页
   ======================================== */
.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin: 40px 0;
}

.page-btn {
  padding: 8px 15px;
  border: 1px solid var(--border);
  background: #fff;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.3s;
}

.page-btn:hover,
.page-btn.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

/* ========================================
   文章详情
   ======================================== */
.article-header {
  text-align: center;
  padding: 40px 0;
}

.article-title {
  font-size: 1.8rem;
  color: var(--primary);
  margin-bottom: 15px;
}

.article-meta {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.article-content {
  background: #fff;
  padding: 40px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  margin-bottom: 30px;
}

.article-content h2 {
  color: var(--primary);
  margin: 30px 0 15px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--secondary);
}

.article-content h3 {
  color: var(--accent);
  margin: 25px 0 10px;
}

.article-content p {
  margin-bottom: 15px;
}

.article-content ul,
.article-content ol {
  margin: 15px 0;
  padding-left: 25px;
}

.article-content li {
  margin-bottom: 8px;
}

.article-content img {
  max-width: 100%;
  border-radius: var(--radius);
  margin: 20px 0;
}

/* ========================================
   标签
   ======================================== */
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 20px 0;
}

.tag {
  padding: 5px 15px;
  background: var(--secondary);
  border-radius: 15px;
  font-size: 0.85rem;
  color: var(--primary);
}

/* ========================================
   三栏文章列表
   ======================================== */
.article-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin: 30px 0;
}

.article-col h3 {
  color: var(--primary);
  font-size: 1rem;
  margin-bottom: 15px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--secondary);
}

.article-col ul {
  list-style: none;
}

.article-col li {
  padding: 10px 0;
  border-bottom: 1px dashed var(--border);
}

.article-col li:last-child {
  border-bottom: none;
}

.article-col a {
  color: var(--text-main);
  font-size: 0.95rem;
}

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

/* ========================================
   404页面
   ======================================== */
.error-page {
  text-align: center;
  padding: 80px 20px;
}

.error-code {
  font-size: 6rem;
  font-weight: bold;
  color: var(--primary);
  opacity: 0.3;
}

.error-title {
  font-size: 1.5rem;
  color: var(--primary);
  margin-bottom: 15px;
}

.error-desc {
  color: var(--text-muted);
  margin-bottom: 30px;
}

.btn {
  display: inline-block;
  padding: 12px 30px;
  background: var(--primary);
  color: #fff;
  border-radius: var(--radius);
  transition: background 0.3s;
}

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

/* ========================================
   页脚
   ======================================== */
.footer {
  background: var(--primary);
  color: rgba(255,255,255,0.8);
  padding: 40px 0 20px;
  margin-top: 50px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  margin-bottom: 30px;
}

.footer-col h4 {
  color: #fff;
  margin-bottom: 15px;
  font-size: 1rem;
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: 8px;
}

.footer-col a {
  color: rgba(255,255,255,0.7);
  font-size: 0.9rem;
}

.footer-col a:hover {
  color: #fff;
}

.footer-bottom {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.2);
  font-size: 0.85rem;
}

/* ========================================
   响应式设计
   ======================================== */
@media (max-width: 768px) {
  .header .container {
    flex-direction: column;
    text-align: center;
  }

  .nav {
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
  }

  .hero h1 {
    font-size: 1.5rem;
  }

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

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

  .article-content {
    padding: 20px;
  }

  .link-item {
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .category-filter {
    gap: 8px;
  }

  .category-btn {
    padding: 6px 15px;
    font-size: 0.85rem;
  }
}