:root {
      --primary: #0891B2;
      --primary-hover: #0e7490;
      --secondary: #14B8A6;
      --bg-light: #ECFEFF;
      --bg-dark: #062A31;
      --text-main: #083344;
      --text-muted: #334155;
      --accent: #99F6E4;
      --white: #ffffff;
      --border-color: rgba(15, 23, 42, 0.08);
      --shadow-sm: 0 2px 8px rgba(8, 145, 178, 0.06);
      --shadow-md: 0 10px 30px rgba(8, 145, 178, 0.1);
      --transition: all 0.3s ease;
      --base-blue: rgb(0,122,255);
    }

    * { box-sizing: border-box; margin: 0; padding: 0; }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
      color: var(--text-main);
      background-color: #fcfdfd;
      line-height: 1.6;
    }

    
    .site-header {
      position: sticky;
      top: 0;
      z-index: 900;
      width: 100%;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid var(--border-color);
    }
    .header-inner {
      width: min(1200px, calc(100% - 32px));
      margin: 0 auto;
      min-height: 72px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }
    .logo {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      text-decoration: none;
    }
    .logo img {
      display: block;
      height: 40px;
      width: auto;
      max-width: 160px;
    }
    .logo span {
      display: inline-block;
      font-size: 18px;
      font-weight: 800;
      color: var(--text-main);
    }
    .desktop-nav {
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .desktop-nav a {
      display: inline-flex;
      align-items: center;
      min-height: 40px;
      padding: 0 14px;
      border-radius: 999px;
      font-size: 14px;
      font-weight: 600;
      color: var(--text-muted);
      text-decoration: none;
    }
    .desktop-nav a:hover, .desktop-nav a.active {
      color: var(--primary);
      background: var(--bg-light);
    }
    .mobile-menu-btn {
      display: none;
      width: 44px;
      height: 44px;
      border: 0;
      background: rgba(15, 23, 42, 0.08);
      border-radius: 14px;
      align-items: center;
      justify-content: center;
      flex-direction: column;
      gap: 5px;
    }
    .mobile-menu-btn span {
      display: block;
      width: 20px;
      height: 2px;
      background: var(--text-main);
    }

    
    .mobile-nav-mask {
      position: fixed;
      inset: 0;
      z-index: 998;
      background: rgba(15, 23, 42, 0.54);
      opacity: 0;
      visibility: hidden;
      transition: opacity .25s ease;
    }
    .mobile-drawer {
      position: fixed;
      top: 0; left: 0; z-index: 999;
      width: min(86vw, 360px); height: 100vh;
      background: #fff; transform: translateX(-105%);
      transition: transform .28s ease;
      display: flex; flex-direction: column;
    }
    .drawer-head {
      min-height: 76px; padding: 18px;
      display: flex; align-items: center; justify-content: space-between;
      border-bottom: 1px solid var(--border-color);
    }
    .drawer-close {
      width: 40px; height: 40px; border: 0;
      border-radius: 14px; background: rgba(15,23,42,0.08);
      font-size: 26px; cursor: pointer;
    }
    .drawer-body { flex: 1; overflow-y: auto; padding: 14px; }
    .drawer-nav { display: flex; flex-direction: column; gap: 8px; }
    .drawer-nav a {
      display: flex; align-items: center; min-height: 48px;
      padding: 13px 14px; border-radius: 14px;
      background: rgba(15,23,42,0.04); color: var(--text-main);
      text-decoration: none; font-size: 15px; font-weight: 700;
    }
    body.drawer-open { overflow: hidden; }
    body.drawer-open .mobile-nav-mask { opacity: 1; visibility: visible; }
    body.drawer-open .mobile-drawer { transform: translateX(0); }

    
    .page-title-banner {
      background: var(--bg-light);
      border-bottom: 1px solid var(--border-color);
      padding: 48px 0;
    }
    .banner-container {
      width: min(1200px, calc(100% - 32px));
      margin: 0 auto;
    }
    .breadcrumbs {
      font-size: 13px;
      color: var(--text-muted);
      margin-bottom: 12px;
    }
    .breadcrumbs a {
      color: var(--primary);
      text-decoration: none;
    }
    .breadcrumbs span {
      margin: 0 6px;
    }
    .banner-container h1 {
      font-size: clamp(24px, 4vw, 36px);
      font-weight: 800;
      color: var(--text-main);
    }

    .main-body {
      width: min(1200px, calc(100% - 32px));
      margin: 48px auto;
      display: grid;
      grid-template-columns: 2.5fr 1fr;
      gap: 40px;
    }

    .article-list {
      display: flex;
      flex-direction: column;
      gap: 24px;
    }

    
    .list-card {
      background: var(--white);
      border: 1px solid var(--border-color);
      border-radius: 16px;
      overflow: hidden;
      display: flex;
      gap: 24px;
      padding: 24px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .list-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }

    .list-card-img {
      width: 240px;
      aspect-ratio: 16 / 10;
      border-radius: 12px;
      background: #f1f5f9;
      overflow: hidden;
      flex-shrink: 0;
    }

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

    .list-card:hover .list-card-img img {
      transform: scale(1.04);
    }

    .list-card-content {
      flex: 1;
      display: flex;
      flex-direction: column;
    }

    .list-card-meta {
      display: flex;
      align-items: center;
      gap: 16px;
      font-size: 12px;
      color: var(--text-muted);
      margin-bottom: 10px;
    }

    .list-card-title {
      font-size: 20px;
      font-weight: 700;
      color: var(--text-main);
      text-decoration: none;
      line-height: 1.4;
      margin-bottom: 12px;
      transition: var(--transition);
    }

    .list-card-title:hover {
      color: var(--primary);
    }

    .list-card-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .list-card-tags {
      margin-top: auto;
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .tag-pill {
      font-size: 11px;
      font-weight: 600;
      background: var(--bg-light);
      color: var(--primary);
      padding: 4px 8px;
      border-radius: 4px;
      text-decoration: none;
    }

    
    .sidebar {
      display: flex;
      flex-direction: column;
      gap: 30px;
    }

    .widget {
      background: var(--white);
      border: 1px solid var(--border-color);
      border-radius: 16px;
      padding: 24px;
    }

    .widget-title {
      font-size: 16px;
      font-weight: 800;
      color: var(--text-main);
      padding-bottom: 12px;
      border-bottom: 2px solid var(--primary);
      margin-bottom: 16px;
    }

    .tag-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .tag-cloud a {
      font-size: 12px;
      background: #f1f5f9;
      color: var(--text-muted);
      padding: 6px 12px;
      border-radius: 6px;
      text-decoration: none;
      transition: var(--transition);
    }

    .tag-cloud a:hover {
      background: var(--primary);
      color: var(--white);
    }

    
    .pagination-wrap {
      margin-top: 40px;
      display: flex;
      justify-content: center;
    }

    .pagination {
      display: inline-flex;
      gap: 6px;
    }

    .pagination a, .pagination span {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-width: 40px;
      height: 40px;
      padding: 0 6px;
      border-radius: 8px;
      border: 1px solid var(--border-color);
      text-decoration: none;
      color: var(--text-muted);
      font-weight: 600;
      font-size: 14px;
      background: var(--white);
      transition: var(--transition);
    }

    .pagination a:hover {
      border-color: var(--primary);
      color: var(--primary);
      background: var(--bg-light);
    }

    .pagination .current {
      background: var(--primary);
      color: var(--white);
      border-color: var(--primary);
    }

    .pagination .disabled {
      opacity: 0.5;
      pointer-events: none;
    }

    
    .site-footer {
      background: var(--bg-dark);
      color: #e5e7eb;
      padding: 56px 0 24px;
      border-top: 1px solid rgba(255, 255, 255, 0.05);
    }
    .footer-inner {
      width: min(1200px, calc(100% - 32px));
      margin: 0 auto;
      display: grid;
      grid-template-columns: 1.4fr repeat(3, minmax(0, 1fr));
      gap: 32px;
    }
    .footer-brand p {
      margin-top: 16px; color: rgba(229, 231, 235, 0.72); font-size: 14px;
    }
    .footer-logo span { color: var(--white); }
    .footer-column h3 { margin-bottom: 14px; font-size: 15px; color: var(--white); }
    .footer-column ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
    .footer-column a, .footer-column span { color: rgba(229, 231, 235, 0.72); text-decoration: none; font-size: 14px; }
    .footer-column a:hover { color: var(--white); }
    .footer-bottom {
      width: min(1200px, calc(100% - 32px));
      margin: 32px auto 0; padding-top: 20px;
      border-top: 1px solid rgba(255,255,255,0.12);
      display: flex; justify-content: space-between; align-items: center;
      font-size: 13px; color: rgba(229,231,235,0.62);
    }
    .footer-bottom p { margin:0; }
    .footer-bottom a { color: rgba(229,231,235,0.72); text-decoration:none; }

    @media (max-width: 900px) {
      .header-inner { width: min(100% - 24px, 1200px); min-height:64px; }
      .desktop-nav { display: none !important; }
      .mobile-menu-btn { display: inline-flex !important; }
      .main-body { grid-template-columns: 1fr; gap: 30px; }
      .list-card { flex-direction: column; }
      .list-card-img { width: 100%; }
      .footer-inner { grid-template-columns: 1fr; gap: 24px; }
      .footer-bottom { flex-direction: column; align-items: flex-start; gap: 8px; }
    }