@charset "utf-8";
/* ============================================
   rqbza.com - 工业蒸汽 + 金属质感
   风格: H(工业蒸汽) + Y(解构主义)
   色彩: 3(撞色 #ff00ff/#00ff00/#ffff00)
   ============================================ */

:root {
  --primary: #1a1a1a;
  --secondary: #333333;
  --accent: #00ff00;
  --accent2: #ffff00;
  --accent3: #ff00ff;
  --metal: linear-gradient(135deg, #2a2a2a 0%, #1a1a1a 50%, #333333 100%);
  --bg-dark: #0d0d0d;
  --bg-card: #1a1a1a;
  --bg-light: #252525;
  --text-dark: #e0e0e0;
  --text-light: #a0a0a0;
  --text-muted: #606060;
  --border: #333333;
  --glow-green: 0 0 20px rgba(0, 255, 0, 0.3);
  --glow-yellow: 0 0 20px rgba(255, 255, 0, 0.3);
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
  --radius: 0;
  --radius-sm: 0;
  --radius-lg: 0;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg-dark);
  font-family: 'Courier New', monospace;
  color: var(--text-dark);
  line-height: 1.6;
  min-height: 100vh;
}
a { text-decoration: none; color: inherit; transition: all 0.3s ease; }
ul, li { list-style: none; }
img { max-width: 100%; height: auto; }

/* ============================================
   头部 - 金属管道风格
   ============================================ */
.header { background: var(--bg-card); border-bottom: 3px solid var(--accent); box-shadow: var(--glow-green); position: sticky; top: 0; z-index: 100; }
.top_header { max-width: 1400px; margin: 0 auto; padding: 12px 24px; display: flex; align-items: center; justify-content: space-between; }
.top_header a#logo img { max-height: 50px; max-width: 180px; width: auto; height: auto; }

.nav-warp { background: var(--metal); border-bottom: 4px solid var(--border); }
.nav-container { max-width: 1400px; margin: 0 auto; display: flex; padding: 0 24px; }
.nav-item { padding: 16px 24px; font-size: 14px; font-weight: 700; color: var(--text-light); letter-spacing: 2px; text-transform: uppercase; transition: all 0.3s ease; border-left: 2px solid var(--border); }
.nav-item:first-child { color: var(--accent); border-left-color: var(--accent); }
.nav-item:hover { color: var(--accent); background: rgba(0, 255, 0, 0.1); }

/* ============================================
   全宽分割Banner
   ============================================ */
.split-banner { display: grid; grid-template-columns: 1fr 1fr; min-height: 450px; }
.split-banner-left { background: var(--bg-card); display: flex; flex-direction: column; justify-content: center; padding: 60px; border-right: 4px solid var(--accent); position: relative; }
.split-banner-left::before { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 4px; background: var(--accent); }
.split-banner-left::after { content: ''; position: absolute; bottom: 0; right: 0; width: 4px; height: 100%; background: var(--accent3); }
.split-banner-right { background: var(--bg-light); position: relative; overflow: hidden; }
.split-banner-right::before { content: ''; position: absolute; inset: 0; background: url(https://picsum.photos/800/600/?grayscale) center/cover; opacity: 0.3; }
.split-banner-content { position: relative; z-index: 1; }
.split-banner-tag { display: inline-block; padding: 6px 16px; background: var(--accent); color: #000; font-size: 12px; font-weight: 700; letter-spacing: 3px; text-transform: uppercase; margin-bottom: 20px; }
.split-banner-title { font-size: 32px; font-weight: 800; color: var(--text-dark); line-height: 1.3; margin-bottom: 20px; text-transform: uppercase; letter-spacing: 2px; }
.split-banner-title:hover { color: var(--accent); }
.split-banner-meta { display: flex; gap: 24px; font-size: 13px; color: var(--text-muted); font-family: 'Courier New', monospace; }
.split-banner-meta i { margin-right: 6px; color: var(--accent2); }

/* ============================================
   管道网格
   ============================================ */
.pipe-section { padding: 60px 24px; background: var(--bg-dark); }
.pipe-container { max-width: 1400px; margin: 0 auto; }
.pipe-header { margin-bottom: 40px; border-left: 4px solid var(--accent); padding-left: 20px; }
.pipe-header h2 { font-size: 24px; font-weight: 800; color: var(--text-dark); text-transform: uppercase; letter-spacing: 4px; }

.pipe-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border: 2px solid var(--border); }
.pipe-card { background: var(--bg-card); border: 1px solid var(--border); padding: 24px; transition: all 0.3s ease; position: relative; overflow: hidden; }
.pipe-card::before { content: ''; position: absolute; top: 0; left: 0; width: 0; height: 3px; background: var(--accent); transition: width 0.3s ease; }
.pipe-card:hover::before { width: 100%; }
.pipe-card:hover { background: var(--bg-light); box-shadow: var(--glow-green); }
.pipe-card-img { height: 140px; background-size: cover; background-position: center; margin-bottom: 16px; border: 1px solid var(--border); position: relative; }
.pipe-card-img::after { content: ''; position: absolute; inset: 0; background: linear-gradient(to top, var(--bg-card) 0%, transparent 50%); }
.pipe-card-cat { display: inline-block; padding: 3px 10px; background: var(--accent); color: #000; font-size: 10px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; margin-bottom: 12px; }
.pipe-card-title { font-size: 14px; font-weight: 700; color: var(--text-dark); line-height: 1.5; margin-bottom: 12px; text-transform: uppercase; letter-spacing: 1px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.pipe-card-title:hover { color: var(--accent); }
.pipe-card-meta { display: flex; justify-content: space-between; font-size: 11px; color: var(--text-muted); font-family: 'Courier New', monospace; }
.pipe-card-meta i { margin-right: 4px; color: var(--accent2); }

/* ============================================
   横向滚动模块
   ============================================ */
.scroll-section { padding: 60px 0; background: var(--bg-card); border-top: 2px solid var(--border); border-bottom: 2px solid var(--border); }
.scroll-container { max-width: 1400px; margin: 0 auto; padding: 0 24px; }
.scroll-header { margin-bottom: 30px; display: flex; align-items: center; justify-content: space-between; border-bottom: 2px solid var(--accent); padding-bottom: 16px; }
.scroll-header h2 { font-size: 20px; font-weight: 800; color: var(--accent); text-transform: uppercase; letter-spacing: 4px; }

.scroll-wrapper { display: flex; gap: 20px; overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 20px; }
.scroll-wrapper::-webkit-scrollbar { height: 4px; background: var(--bg-dark); }
.scroll-wrapper::-webkit-scrollbar-thumb { background: var(--accent); }
.scroll-item { flex: 0 0 300px; scroll-snap-align: start; background: var(--bg-light); border: 2px solid var(--border); transition: all 0.3s ease; }
.scroll-item:hover { border-color: var(--accent); box-shadow: var(--glow-green); transform: scale(1.02); }
.scroll-item-img { height: 180px; background-size: cover; background-position: center; border-bottom: 2px solid var(--border); }
.scroll-item-content { padding: 20px; }
.scroll-item-cat { display: inline-block; padding: 3px 10px; background: var(--accent3); color: #fff; font-size: 10px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; margin-bottom: 12px; }
.scroll-item-title { font-size: 14px; font-weight: 700; color: var(--text-dark); line-height: 1.5; margin-bottom: 12px; text-transform: uppercase; }
.scroll-item-title:hover { color: var(--accent); }
.scroll-item-meta { font-size: 11px; color: var(--text-muted); font-family: 'Courier New', monospace; }

/* ============================================
   数字列表模块
   ============================================ */
.number-section { padding: 60px 24px; background: var(--bg-dark); }
.number-container { max-width: 1400px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.number-block { border: 2px solid var(--border); }
.number-header { background: var(--accent); color: #000; padding: 16px 24px; font-size: 16px; font-weight: 800; text-transform: uppercase; letter-spacing: 3px; }
.number-list { }
.number-item { display: flex; align-items: center; gap: 20px; padding: 20px 24px; border-bottom: 1px solid var(--border); transition: all 0.3s ease; }
.number-item:last-child { border-bottom: none; }
.number-item:hover { background: var(--bg-light); padding-left: 32px; }
.number-item:hover .number-num { color: var(--accent); }
.number-num { width: 48px; height: 48px; background: var(--bg-card); border: 2px solid var(--accent); display: flex; align-items: center; justify-content: center; font-size: 20px; font-weight: 800; color: var(--text-muted); flex-shrink: 0; transition: all 0.3s ease; }
.number-info { flex: 1; }
.number-title { font-size: 14px; font-weight: 700; color: var(--text-dark); margin-bottom: 6px; text-transform: uppercase; letter-spacing: 1px; }
.number-title:hover { color: var(--accent); }
.number-meta { font-size: 12px; color: var(--text-muted); font-family: 'Courier New', monospace; }
.number-thumb { width: 80px; height: 60px; background-size: cover; background-position: center; border: 1px solid var(--border); flex-shrink: 0; }

/* ============================================
   标签墙
   ============================================ */
.tagwall-section { padding: 60px 24px; background: var(--bg-card); border-top: 2px solid var(--border); }
.tagwall-container { max-width: 1400px; margin: 0 auto; text-align: center; }
.tagwall-header { margin-bottom: 30px; }
.tagwall-header h2 { font-size: 20px; font-weight: 800; color: var(--text-dark); text-transform: uppercase; letter-spacing: 4px; }
.tagwall-tags { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
.tagwall-tag { padding: 10px 24px; background: var(--bg-dark); color: var(--text-light); font-size: 12px; border: 2px solid var(--border); font-family: 'Courier New', monospace; text-transform: uppercase; letter-spacing: 2px; transition: all 0.3s ease; }
.tagwall-tag:hover { background: var(--accent); color: #000; border-color: var(--accent); box-shadow: var(--glow-green); }

/* ============================================
   页脚
   ============================================ */
.footer { background: var(--bg-card); padding: 30px 24px; border-top: 4px solid var(--accent); }
.footer-inner { max-width: 1400px; margin: 0 auto; text-align: center; }
.footer-copy { font-size: 13px; color: var(--text-muted); font-family: 'Courier New', monospace; }
.footer-copy a { color: var(--accent); }

/* ============================================
   响应式
   ============================================ */
@media (max-width: 1024px) {
  .split-banner { grid-template-columns: 1fr; min-height: auto; }
  .split-banner-right { display: none; }
  .pipe-grid { grid-template-columns: repeat(2, 1fr); }
  .number-container { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .pipe-grid { grid-template-columns: 1fr; }
  .nav-container { flex-wrap: wrap; }
  .nav-item { flex: 1 0 50%; text-align: center; border-left: none; border-bottom: 1px solid var(--border); }
}

/* ============================================
   列表页样式
   ============================================ */
.list-page-wrapper { max-width: 1200px; margin: 0 auto; padding: 60px 24px; display: grid; grid-template-columns: 1fr 280px; gap: 40px; }
.list-main { min-width: 0; }
.list-articles { display: flex; flex-direction: column; gap: 24px; }
.list-article-item { display: flex; gap: 24px; background: var(--bg-card); border: 2px solid var(--border); transition: all 0.3s ease; }
.list-article-item:hover { border-color: var(--accent); box-shadow: var(--glow-green); }
.list-article-img { width: 280px; height: 180px; background-size: cover; background-position: center; flex-shrink: 0; border-right: 2px solid var(--border); }
.list-article-info { padding: 24px; display: flex; flex-direction: column; justify-content: center; }
.list-article-info h3 { font-size: 18px; font-weight: 700; color: var(--text-dark); margin-bottom: 10px; text-transform: uppercase; letter-spacing: 1px; }
.list-article-info h3:hover { color: var(--accent); }
.list-article-info p { font-size: 14px; color: var(--text-muted); line-height: 1.6; margin-bottom: 14px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.list-article-meta { display: flex; gap: 20px; font-size: 13px; color: var(--text-muted); font-family: 'Courier New', monospace; }
.list-article-meta i { margin-right: 4px; color: var(--accent2); }
.list-sidebar { position: sticky; top: 80px; height: fit-content; }
.sidebar-card { background: var(--bg-card); border: 2px solid var(--border); padding: 24px; margin-bottom: 24px; }
.sidebar-card h4 { font-size: 16px; font-weight: 700; color: var(--accent); margin-bottom: 16px; padding-bottom: 12px; border-bottom: 2px solid var(--accent); text-transform: uppercase; letter-spacing: 2px; }
.sidebar-nav-list li { padding: 10px 0; border-bottom: 1px dashed var(--border); }
.sidebar-nav-list li:last-child { border-bottom: none; }
.sidebar-nav-list a { display: flex; justify-content: space-between; font-size: 14px; color: var(--text-light); font-family: 'Courier New', monospace; }
.sidebar-nav-list a:hover { color: var(--accent); }
.sidebar-nav-list .count { background: var(--bg-dark); padding: 2px 8px; font-size: 12px; border: 1px solid var(--border); }
.pagination { display: flex; justify-content: center; gap: 8px; margin-top: 40px; }
.pagination a, .pagination span { padding: 10px 16px; background: var(--bg-card); border: 2px solid var(--border); font-size: 14px; color: var(--text-light); font-family: 'Courier New', monospace; transition: all 0.3s ease; }
.pagination a:hover, .pagination .active { background: var(--accent); color: #000; border-color: var(--accent); }

.page-header { background: var(--bg-card); padding: 40px 0; border-bottom: 4px solid var(--accent); }
.page-header .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.page-title { font-size: 28px; font-weight: 800; color: var(--text-dark); margin-bottom: 12px; text-transform: uppercase; letter-spacing: 4px; }
.page-breadcrumb { font-size: 14px; color: var(--text-muted); font-family: 'Courier New', monospace; }
.page-breadcrumb a { color: var(--text-light); }
.page-breadcrumb a:hover { color: var(--accent); }
.content-wrapper { background: var(--bg-dark); padding: 60px 0; }
.content-wrapper .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.article-detail { background: var(--bg-card); border: 2px solid var(--border); padding: 40px; margin-bottom: 40px; }
.detail-header { margin-bottom: 30px; padding-bottom: 24px; border-bottom: 2px solid var(--border); }
.detail-category { display: inline-block; padding: 4px 14px; background: var(--accent); color: #000; font-size: 12px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; margin-bottom: 16px; }
.detail-title { font-size: 28px; font-weight: 800; color: var(--text-dark); margin-bottom: 16px; line-height: 1.4; text-transform: uppercase; letter-spacing: 2px; }
.detail-meta { display: flex; gap: 24px; font-size: 14px; color: var(--text-muted); font-family: 'Courier New', monospace; }
.detail-meta i { margin-right: 4px; color: var(--accent2); }
.detail-content { font-size: 16px; line-height: 1.9; color: var(--text-dark); }
.detail-content p { margin-bottom: 16px; }
.detail-content img { max-width: 100%; height: auto; margin: 16px 0; border: 2px solid var(--border); }
.detail-content h2, .detail-content h3 { font-size: 20px; font-weight: 700; color: var(--accent); margin: 24px 0 16px; text-transform: uppercase; letter-spacing: 2px; }
.detail-tags { margin-top: 30px; padding-top: 20px; border-top: 2px solid var(--border); font-size: 14px; color: var(--text-muted); display: flex; align-items: center; flex-wrap: wrap; gap: 12px; font-family: 'Courier New', monospace; }
.detail-tags i { color: var(--accent); }
.detail-tags a { padding: 4px 14px; background: var(--bg-dark); color: var(--text-light); font-size: 13px; border: 1px solid var(--border); }
.detail-tags a:hover { background: var(--accent); color: #000; border-color: var(--accent); }
.related-articles { background: var(--bg-card); border: 2px solid var(--border); padding: 30px; }
.related-title { font-size: 18px; font-weight: 700; color: var(--accent); margin-bottom: 20px; padding-bottom: 12px; border-bottom: 2px solid var(--accent); text-transform: uppercase; letter-spacing: 2px; }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.related-card { border: 2px solid var(--border); overflow: hidden; transition: all 0.3s ease; }
.related-card:hover { border-color: var(--accent); box-shadow: var(--glow-green); }
.related-img { height: 140px; background-size: cover; background-position: center; border-bottom: 2px solid var(--border); }
.related-info { padding: 16px; background: var(--bg-card); }
.related-info h4 { font-size: 14px; font-weight: 600; color: var(--text-dark); margin-bottom: 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; text-transform: uppercase; letter-spacing: 1px; }
.related-info h4:hover { color: var(--accent); }
.related-info span { font-size: 12px; color: var(--text-muted); font-family: 'Courier New', monospace; }
.related-info span i { margin-right: 4px; color: var(--accent2); }

@media (max-width: 1024px) {
  .list-page-wrapper { grid-template-columns: 1fr; }
  .list-sidebar { position: static; }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .list-article-item { flex-direction: column; }
  .list-article-img { width: 100%; height: 200px; border-right: none; border-bottom: 2px solid var(--border); }
  .related-grid { grid-template-columns: 1fr; }
  .article-detail { padding: 24px; }
  .detail-title { font-size: 22px; }
}