/**
 * PbootCMS 模板样式 - hylve.com
 * 随机种子编号: N-C-4-18px-深/线/左-N2-TC-TA-18px-0.4s-6px-2px-135°-20px-24px-0.92-R1,R3,R5
 *
 * 【随机参数记录】
 * 核心风格: N (新拟态) - 新拟态+浅色阴影+圆润线条+微妙渐变
 * 布局骨架: C (左主右侧) - 左侧主内容+右侧边栏
 * 色彩策略: 4 (翠绿) - 翠绿+深绿+薄荷绿+白色
 * 标题字号: L (2.2rem)
 * 正文字号: 18px
 * 行高: 1.7
 * 段落间距: 1.5em
 * 容器宽度: 1280px
 * 圆角: 18px
 * 卡片内边距: 24px
 * 图标风格: 线性
 * 按钮风格: 线框
 * 分割线: 左侧通栏
 * 图片处理: 圆角
 * 导航布局: N2 (LOGO居中+导航下)
 * 列表排版: TC (卡片网格)
 * 标题样式: TA (居中带下划线)
 * 阴影大小: 中(18px)
 * 动画时长: 中(0.4s)
 * 悬停位移: 中(6px)
 * 边框宽度: 中(2px)
 * 渐变角度: 135°
 * 图标大小: 中(20px)
 * 卡片间距: 紧凑(24px)
 * 背景深度: 深(0.92)
 * 侧边栏模块: R1(栏目导航) + R3(最新文章) + R5(标签云)
 */

/* ========== CSS Variables ========== */
:root {
  --color-primary: #059669;
  --color-secondary: #10b981;
  --color-accent: #34d399;
  --color-light: #ecfdf5;
  --color-mint: #d1fae5;
  --color-dark: #064e3b;
  --color-gray: #6b7280;
  --color-gray-light: #9ca3af;
  --color-border: #d1fae5;
  --color-white: #ffffff;

  --shadow-small: 18px;
  --shadow-medium: 28px;

  --radius: 18px;
  --radius-lg: 24px;

  --animation-speed: 0.4s;
  --transition: all var(--animation-speed) ease;

  --container-width: 1280px;
  --sidebar-width: 300px;

  --font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* ========== Reset & Base ========== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: 18px;
  line-height: 1.7;
  color: var(--color-gray);
  background: linear-gradient(135deg, var(--color-light) 0%, var(--color-white) 50%, var(--color-mint) 100%);
  min-height: 100vh;
}

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

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

ul, ol {
  list-style: none;
}

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

/* ========== Header (N2: LOGO居中+导航下) ========== */
.pb-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 24px 40px 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 2px solid var(--color-border);
}

.pb-logo {
  margin-bottom: 16px;
}

.pb-logo img {
  height: 50px;
  border-radius: var(--radius);
  box-shadow: 0 4px 16px rgba(5, 150, 105, 0.2);
}

.pb-nav {
  display: flex;
  gap: 8px;
  padding-bottom: 16px;
}

.pb-nav a {
  padding: 10px 20px;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-dark);
  border-radius: var(--radius);
  transition: var(--transition);
}

.pb-nav a:hover {
  background: rgba(16, 185, 129, 0.1);
  color: var(--color-secondary);
}

.pb-nav a.active {
  background: var(--color-secondary);
  color: var(--color-white);
  font-weight: 700;
}

.pb-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 10px;
}

.pb-menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-dark);
  transition: var(--transition);
}

/* ========== Breadcrumb ========== */
.pb-breadcrumb {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 24px;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  margin-bottom: 32px;
  font-size: 14px;
  color: var(--color-gray);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
}

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

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

.pb-breadcrumb span {
  color: var(--color-gray-light);
}

.pb-breadcrumb .current {
  color: var(--color-dark);
  font-weight: 500;
}

/* ========== Section Layout ========== */
.pb-section {
  padding: 0 20px 60px;
  max-width: var(--container-width);
  margin: 0 auto;
}

.pb-section-inner {
  display: flex;
  gap: 32px;
  align-items: flex-start;
}

.pb-main-content {
  flex: 1;
  min-width: 0;
}

.pb-sidebar {
  width: var(--sidebar-width);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* ========== Section Title (TA: 居中带下划线) ========== */
.pb-section-title {
  text-align: center;
  margin-bottom: 36px;
  padding-bottom: 16px;
  position: relative;
}

.pb-section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  border-radius: 2px;
}

.pb-section-title h2 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-dark);
}

/* ========== TC: 卡片网格列表 ========== */
.pb-news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.pb-news-card {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 4px 18px rgba(5, 150, 105, 0.08);
  transition: var(--transition);
  border: 2px solid transparent;
}

.pb-news-card:hover {
  border-color: var(--color-secondary);
  transform: translateY(-6px);
  box-shadow: var(--shadow-medium);
}

.pb-news-card-thumb {
  height: 160px;
  overflow: hidden;
}

.pb-news-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.pb-news-card:hover .pb-news-card-thumb img {
  transform: scale(1.08);
}

.pb-news-card-content {
  padding: 20px;
}

.pb-news-card-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-dark);
  line-height: 1.4;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.pb-news-card-title a:hover {
  color: var(--color-secondary);
}

.pb-news-card-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 12px;
  color: var(--color-gray-light);
}

.pb-news-card-date::before {
  content: '📅 ';
}

/* ========== LC: 左图右文列表 ========== */
.pb-news-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.pb-news-item {
  display: flex;
  gap: 24px;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(5, 150, 105, 0.06);
  transition: var(--transition);
  border: 2px solid transparent;
}

.pb-news-item:hover {
  border-color: var(--color-secondary);
  transform: translateY(-6px);
  box-shadow: var(--shadow-medium);
}

.pb-news-thumb {
  width: 280px;
  height: 180px;
  flex-shrink: 0;
  overflow: hidden;
}

.pb-news-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.pb-news-item:hover .pb-news-thumb img {
  transform: scale(1.05);
}

.pb-news-content {
  flex: 1;
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.pb-news-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-dark);
  line-height: 1.4;
  margin-bottom: 10px;
}

.pb-news-title a:hover {
  color: var(--color-secondary);
}

.pb-news-desc {
  font-size: 14px;
  color: var(--color-gray);
  line-height: 1.6;
  margin-bottom: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.pb-news-meta {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 12px;
  color: var(--color-gray-light);
}

.pb-news-date::before {
  content: '📅 ';
}

.pb-news-views::before {
  content: '👁 ';
}

/* ========== LH: 交错卡片列表 ========== */
.pb-news-list-alternate .pb-news-item:nth-child(even) {
  flex-direction: row-reverse;
}

/* ========== Sidebar Widgets ========== */
.pb-sidebar-widget {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  padding: 24px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

.pb-widget-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--color-accent);
  text-align: center;
}

.pb-sidebar-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.pb-sidebar-list li {
  position: relative;
  padding-left: 16px;
}

.pb-sidebar-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-secondary);
  font-size: 12px;
  top: 50%;
  transform: translateY(-50%);
}

.pb-sidebar-list a {
  display: block;
  padding: 10px 0;
  font-size: 14px;
  color: var(--color-gray);
  border-bottom: 1px dashed var(--color-border);
  transition: var(--transition);
}

.pb-sidebar-list li:last-child a {
  border-bottom: none;
}

.pb-sidebar-list a:hover {
  color: var(--color-secondary);
  padding-left: 6px;
}

/* Tags Cloud */
.pb-tags-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.pb-tag {
  display: inline-block;
  padding: 8px 16px;
  background: var(--color-light);
  color: var(--color-gray);
  font-size: 12px;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  transition: var(--transition);
}

.pb-tag:hover {
  background: var(--color-secondary);
  color: var(--color-white);
  border-color: var(--color-secondary);
}

/* ========== Pagination ========== */
.pb-pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin-top: 48px;
  padding: 24px;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  flex-wrap: wrap;
}

.pb-pagination .page-status {
  padding: 0 16px;
  font-size: 13px;
  color: var(--color-gray);
  margin-right: 8px;
}

.pb-pagination .page-index,
.pb-pagination .page-pre,
.pb-pagination .page-next,
.pb-pagination .page-last {
  border: 2px solid var(--color-border);
  background: var(--color-white);
  border-radius: var(--radius);
}

.pb-pagination .page-index a,
.pb-pagination .page-pre a,
.pb-pagination .page-next a,
.pb-pagination .page-last a,
.pb-pagination .page-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  height: 44px;
  padding: 0 14px;
  background: var(--color-white);
  color: var(--color-gray);
  font-size: 13px;
  font-weight: 600;
  border-radius: var(--radius);
  transition: var(--transition);
}

.pb-pagination .page-index a:hover,
.pb-pagination .page-pre a:hover,
.pb-pagination .page-next a:hover,
.pb-pagination .page-last a:hover,
.pb-pagination .page-num:hover {
  background: var(--color-secondary);
  color: var(--color-white);
  border-color: var(--color-secondary);
}

.pb-pagination .page-current,
.pb-pagination .page-num-current {
  background: var(--color-secondary);
  color: var(--color-white);
  font-weight: 700;
  border: 2px solid var(--color-secondary);
}

.pb-pagination .page-numbar {
  border: none;
  background: transparent;
  padding: 0 4px;
}

/* ========== Article ========== */
.pb-article {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.pb-article-header {
  padding: 40px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
}

.pb-article-title {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 16px;
  color: var(--color-white);
}

.pb-article-meta {
  display: flex;
  gap: 24px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.85);
}

.pb-article-body {
  padding: 40px;
}

.pb-article-content {
  font-size: 17px;
  line-height: 1.9;
  color: var(--color-gray);
}

.pb-article-content p {
  margin-bottom: 1.5em;
}

.pb-article-content img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
  margin: 24px 0;
  border: 2px solid var(--color-border);
}

.pb-article-content h2,
.pb-article-content h3,
.pb-article-content h4 {
  color: var(--color-dark);
  margin: 2em 0 1em;
  font-weight: 700;
}

.pb-article-content h2 { font-size: 1.5rem; color: var(--color-primary); }
.pb-article-content h3 { font-size: 1.25rem; }
.pb-article-content h4 { font-size: 1rem; }

.pb-article-content ul,
.pb-article-content ol {
  padding-left: 24px;
  margin-bottom: 1.5em;
}

.pb-article-content ul { list-style: disc; }
.pb-article-content ol { list-style: decimal; }

.pb-article-content li {
  margin-bottom: 0.8em;
}

.pb-article-tags {
  padding: 24px 40px;
  border-top: 2px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.pb-article-tags h4 {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-dark);
}

/* ========== Footer ========== */
.pb-footer {
  background: rgba(6, 78, 59, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  color: rgba(255, 255, 255, 0.85);
  padding: 48px 20px;
  margin-top: 80px;
}

.pb-footer-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  text-align: center;
  font-size: 14px;
}

.pb-footer-inner p {
  margin-bottom: 12px;
}

.pb-footer-inner a {
  color: var(--color-accent);
  font-weight: 600;
}

.pb-footer-inner a:hover {
  color: var(--color-white);
}

/* ========== Responsive ========== */
@media (max-width: 1024px) {
  .pb-news-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .pb-section-inner {
    flex-direction: column;
  }

  .pb-sidebar {
    width: 100%;
  }
}

@media (max-width: 768px) {
  .pb-header {
    padding: 20px 20px 0;
  }

  .pb-nav {
    display: none;
    flex-direction: column;
    width: 100%;
    gap: 4px;
  }

  .pb-nav.active {
    display: flex;
  }

  .pb-menu-toggle {
    display: flex;
  }

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

  .pb-article-header {
    padding: 28px;
  }

  .pb-article-title {
    font-size: 1.5rem;
  }

  .pb-article-meta {
    flex-direction: column;
    gap: 8px;
  }

  .pb-article-body {
    padding: 28px;
  }

  .pb-article-tags {
    padding: 20px 28px;
  }
}