/* ========================================================
   节点大全 (JiedianDaquan.pro) - 现代 Material Design 全局样式
   特色：深邃紫色顶栏、质感卡片、高光阴影、青色Action按钮、多色强调条
   ======================================================== */

:root {
  /* 品牌核心色彩 - 参考用户截图 Material 风格 */
  --primary: #6200ee;
  --primary-hover: #5000c9;
  --primary-light: #7c3aed;
  --primary-gradient: linear-gradient(135deg, #6200ee 0%, #8b5cf6 100%);
  --primary-bg-soft: rgba(98, 0, 238, 0.08);

  /* 动作与高亮色彩 (截图中的高亮青绿色 Action Button) */
  --accent-cyan: #00d2b4;
  --accent-cyan-hover: #00be9f;
  --accent-pink: #ff2a6d;
  --accent-yellow: #ffb703;
  --accent-blue: #2563eb;
  --accent-green: #10b981;
  --accent-red: #ef4444;

  /* 背景与表面 */
  --bg-page: #f8f9fe;
  --bg-surface: #ffffff;
  --bg-surface-alt: #f1f3f9;
  --bg-dark-header: #5f1ee9;

  /* 文字颜色 */
  --text-main: #1e293b;
  --text-secondary: #64748b;
  --text-muted: #94a3b8;
  --text-inverse: #ffffff;

  /* 边框与阴影 - Material Elevation */
  --border-color: #e2e8f0;
  --border-light: #f1f5f9;
  --shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 8px 24px rgba(98, 0, 238, 0.08), 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 16px 36px rgba(98, 0, 238, 0.12), 0 4px 12px rgba(0, 0, 0, 0.06);
  --shadow-hover: 0 20px 40px rgba(98, 0, 238, 0.18), 0 8px 16px rgba(0, 0, 0, 0.06);
  --shadow-pill: 0 4px 14px rgba(0, 210, 180, 0.4);

  /* 圆角与过渡 */
  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-pill: 9999px;
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 基础重置 */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background-color: var(--bg-page);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

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

/* 容器 */
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ========================================================
   头部顶栏 (Material 风格：紫色背景、图标与高质感阴影)
   ======================================================== */
.site-header {
  background: var(--bg-dark-header);
  background: linear-gradient(135deg, #5800d4 0%, #7000ff 50%, #7c3aed 100%);
  color: var(--text-inverse);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 4px 20px rgba(88, 0, 212, 0.25);
}

.top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.35rem;
  font-weight: 800;
  color: #ffffff;
  letter-spacing: -0.5px;
}

.brand-logo .logo-icon {
  width: 40px;
  height: 40px;
  background: #ffffff;
  color: var(--primary);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  box-shadow: 0 4px 10px rgba(0,0,0,0.15);
}

.brand-logo span.dot-pro {
  color: var(--accent-cyan);
  font-weight: 900;
}

/* 头部右侧功能按钮 (对应截图中 Material 顶栏的圆圈图标) */
.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.icon-btn {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.18);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  border: 1px solid rgba(255, 255, 255, 0.25);
  cursor: pointer;
  transition: var(--transition);
}

.icon-btn:hover {
  background: rgba(255, 255, 255, 0.32);
  transform: translateY(-2px);
}

.menu-toggle {
  display: none;
  background: rgba(255, 255, 255, 0.18);
  border: none;
  color: white;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
}

/* 主导航条 */
.main-nav {
  background: rgba(0, 0, 0, 0.12);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.nav-list {
  display: flex;
  list-style: none;
  overflow-x: auto;
  white-space: nowrap;
  scrollbar-width: none;
  gap: 4px;
  padding: 4px 0;
}

.nav-list::-webkit-scrollbar {
  display: none;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 16px;
  font-size: 0.95rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.88);
  border-radius: 8px;
  transition: var(--transition);
}

.nav-link:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.16);
}

.nav-link.active {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.24);
  position: relative;
  box-shadow: inset 0 -2px 0 var(--accent-cyan);
}

.nav-badge-hot {
  font-size: 0.65rem;
  background: var(--accent-pink);
  color: white;
  padding: 2px 6px;
  border-radius: 10px;
  font-weight: 700;
  margin-left: 2px;
}

.nav-badge-warn {
  font-size: 0.65rem;
  background: var(--accent-yellow);
  color: #1e293b;
  padding: 2px 6px;
  border-radius: 10px;
  font-weight: 700;
}

/* ========================================================
   头部通知跑马灯 / 公告条
   ======================================================== */
.announcement-bar {
  background: #ffffff;
  border-bottom: 1px solid var(--border-color);
  padding: 10px 0;
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.announcement-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.announcement-text {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tag-urgent {
  background: rgba(255, 42, 109, 0.1);
  color: var(--accent-pink);
  border: 1px solid rgba(255, 42, 109, 0.3);
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 0.78rem;
  font-weight: 700;
  flex-shrink: 0;
}

.announcement-tools {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}

/* ========================================================
   Hero 横幅区 (Material 现代渐变)
   ======================================================== */
.hero-section {
  background: linear-gradient(180deg, #ede9fe 0%, #f8f9fe 100%);
  padding: 48px 0 32px;
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: "";
  position: absolute;
  top: -120px;
  right: -100px;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.hero-box {
  text-align: center;
  max-width: 860px;
  margin: 0 auto;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #ffffff;
  border: 1px solid rgba(98, 0, 238, 0.2);
  color: var(--primary);
  padding: 6px 18px;
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  font-weight: 700;
  box-shadow: var(--shadow-sm);
  margin-bottom: 20px;
}

.hero-tag .pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-cyan);
  box-shadow: 0 0 10px var(--accent-cyan);
}

.hero-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 900;
  color: #1e1b4b;
  line-height: 1.25;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.hero-title .gradient-word {
  background: linear-gradient(135deg, #6200ee 0%, #ff2a6d 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 28px;
}

/* 快捷搜索与筛选 */
.search-container {
  max-width: 620px;
  margin: 0 auto 24px;
  position: relative;
}

.search-box {
  display: flex;
  align-items: center;
  background: #ffffff;
  border: 2px solid #e2e8f0;
  border-radius: var(--radius-pill);
  padding: 6px 8px 6px 20px;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}

.search-box:focus-within {
  border-color: var(--primary);
  box-shadow: 0 8px 24px rgba(98, 0, 238, 0.2);
}

.search-box input {
  flex: 1;
  border: none;
  outline: none;
  font-size: 1rem;
  color: var(--text-main);
  background: transparent;
}

.search-box button {
  background: var(--primary);
  color: white;
  border: none;
  padding: 10px 24px;
  border-radius: var(--radius-pill);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.search-box button:hover {
  background: var(--primary-hover);
}

/* 数据统计条 */
.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  margin-top: 24px;
  flex-wrap: wrap;
}

.stat-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.stat-chip strong {
  color: var(--primary);
  font-size: 1.1rem;
}

/* ========================================================
   核心卡片设计 (参考用户 Material 设计截图)
   上部紫色背景头块 + 白色底 + Elevation 阴影 + 青色 Action 按钮
   ======================================================== */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
  margin-bottom: 40px;
}

.material-card {
  background: var(--bg-surface);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  position: relative;
  border: 1px solid var(--border-light);
}

.material-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(98, 0, 238, 0.2);
}

/* 卡片顶部色块 (截图中鲜亮紫青色顶部) */
.card-header-banner {
  height: 110px;
  background: linear-gradient(135deg, #7c3aed 0%, #9333ea 50%, #6366f1 100%);
  position: relative;
  padding: 16px 20px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}

.card-header-banner.banner-node {
  background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
}

.card-header-banner.banner-recommend {
  background: linear-gradient(135deg, #6200ee 0%, #ec4899 100%);
}

.card-header-banner.banner-deal {
  background: linear-gradient(135deg, #ea580c 0%, #f59e0b 100%);
}

.card-header-banner.banner-warn {
  background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
}

.card-header-banner.banner-cyan {
  background: linear-gradient(135deg, #00b4d8 0%, #0077b6 100%);
}

.card-badge {
  background: rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(8px);
  color: #ffffff;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.card-badge.gold {
  background: #fef08a;
  color: #854d0e;
}

.card-rating {
  color: #facc15;
  font-size: 0.85rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 4px;
  background: rgba(0, 0, 0, 0.35);
  padding: 3px 8px;
  border-radius: var(--radius-pill);
}

/* 卡片主体内容 */
.card-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.card-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-subtitle {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

/* 卡片标签栏 */
.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 18px;
}

.chip-tag {
  font-size: 0.75rem;
  padding: 3px 9px;
  border-radius: 6px;
  background: var(--bg-surface-alt);
  color: var(--text-secondary);
  font-weight: 600;
}

.chip-tag.iplc {
  background: rgba(98, 0, 238, 0.1);
  color: var(--primary);
}

.chip-tag.free {
  background: rgba(16, 185, 129, 0.1);
  color: var(--accent-green);
}

.chip-tag.speed {
  background: rgba(0, 210, 180, 0.15);
  color: #0d9488;
}

/* 卡片数据表格/要点列表 */
.card-specs {
  background: var(--bg-surface-alt);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  margin-bottom: 20px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 12px;
  font-size: 0.85rem;
}

.spec-item {
  display: flex;
  flex-direction: column;
}

.spec-label {
  color: var(--text-muted);
  font-size: 0.75rem;
}

.spec-val {
  font-weight: 700;
  color: var(--text-main);
}

/* 按钮组 - 截图中的高亮青绿色 Action 药丸按钮 */
.card-footer {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--border-light);
}

.price-box {
  display: flex;
  flex-direction: column;
}

.price-label {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.price-num {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--accent-pink);
}

/* 青色Action按钮 - 紧扣图片设计 */
.btn-action {
  background: var(--accent-cyan);
  color: #044036;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 10px 24px;
  border-radius: var(--radius-pill);
  border: none;
  cursor: pointer;
  box-shadow: var(--shadow-pill);
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  text-decoration: none;
}

.btn-action:hover {
  background: var(--accent-cyan-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(0, 210, 180, 0.55);
}

.btn-primary-pill {
  background: var(--primary);
  color: white;
  font-weight: 700;
  font-size: 0.9rem;
  padding: 10px 20px;
  border-radius: var(--radius-pill);
  border: none;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn-primary-pill:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(98, 0, 238, 0.35);
}

.btn-outline-pill {
  background: transparent;
  color: var(--primary);
  border: 1.5px solid var(--primary);
  font-weight: 700;
  font-size: 0.85rem;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: var(--transition);
}

.btn-outline-pill:hover {
  background: var(--primary-bg-soft);
}

/* ========================================================
   板块标题与通用结构
   ======================================================== */
.section-block {
  padding: 36px 0;
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 24px;
  border-bottom: 2px solid #eef2f6;
  padding-bottom: 12px;
}

.section-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 10px;
}

.section-title .section-indicator {
  width: 5px;
  height: 24px;
  background: var(--primary);
  border-radius: 4px;
}

.section-more-link {
  font-size: 0.9rem;
  color: var(--primary);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.section-more-link:hover {
  color: var(--primary-hover);
  text-decoration: underline;
}

/* ========================================================
   排行榜与对比表格 (Table View)
   ======================================================== */
.table-card {
  background: #ffffff;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  overflow: hidden;
  margin-bottom: 32px;
}

.responsive-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.responsive-table th {
  background: #f8fafc;
  padding: 16px 18px;
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-color);
}

.responsive-table td {
  padding: 18px;
  border-bottom: 1px solid var(--border-light);
  font-size: 0.92rem;
  vertical-align: middle;
}

.responsive-table tbody tr:hover {
  background: #fbfbfe;
}

.rank-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: var(--radius-pill);
  font-weight: 800;
  font-size: 0.85rem;
}

.rank-1 { background: #fef08a; color: #854d0e; }
.rank-2 { background: #e2e8f0; color: #334155; }
.rank-3 { background: #fed7aa; color: #9a3412; }
.rank-other { background: #f1f5f9; color: var(--text-muted); }

/* ========================================================
   跑路预警 / 警告样式
   ======================================================== */
.alert-box {
  padding: 16px 20px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 24px;
}

.alert-warning {
  background: #fffbeb;
  border-left: 5px solid #f59e0b;
  color: #92400e;
}

.alert-danger {
  background: #fef2f2;
  border-left: 5px solid #ef4444;
  color: #991b1b;
}

.alert-info {
  background: #f0fdf4;
  border-left: 5px solid #10b981;
  color: #166534;
}

/* ========================================================
   文章与教程排版 (Tutorials / Article Layout)
   ======================================================== */
.content-wrapper {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 32px;
  margin: 32px 0 48px;
}

@media (max-width: 960px) {
  .content-wrapper {
    grid-template-columns: 1fr;
  }
}

.article-main {
  background: #ffffff;
  border-radius: var(--radius-md);
  padding: 36px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
}

.article-header {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 20px;
  margin-bottom: 28px;
}

.article-title {
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.35;
  margin-bottom: 12px;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 18px;
  color: var(--text-muted);
  font-size: 0.85rem;
  flex-wrap: wrap;
}

.article-body {
  font-size: 1.05rem;
  line-height: 1.85;
  color: #334155;
}

.article-body h2 {
  font-size: 1.4rem;
  font-weight: 700;
  margin: 32px 0 16px;
  color: var(--text-main);
  border-left: 4px solid var(--primary);
  padding-left: 12px;
}

.article-body h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin: 24px 0 12px;
  color: #1e293b;
}

.article-body p {
  margin-bottom: 16px;
}

.article-body ul, .article-body ol {
  margin: 0 0 20px 24px;
}

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

/* 代码与订阅框 */
.code-box {
  background: #0f172a;
  color: #f8fafc;
  padding: 16px 20px;
  border-radius: var(--radius-sm);
  font-family: 'JetBrains Mono', Consolas, Monaco, monospace;
  font-size: 0.88rem;
  overflow-x: auto;
  position: relative;
  margin: 16px 0 24px;
  border: 1px solid #1e293b;
}

.code-box-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
  font-size: 0.78rem;
  color: #94a3b8;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding-bottom: 6px;
}

.btn-copy-code {
  background: var(--accent-cyan);
  color: #044036;
  border: none;
  font-weight: 700;
  font-size: 0.75rem;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: var(--transition);
}

.btn-copy-code:hover {
  background: var(--accent-cyan-hover);
}

/* 侧边栏小部件 (Sidebar Widgets) */
.sidebar {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.widget-card {
  background: #ffffff;
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
}

.widget-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--primary-bg-soft);
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-main);
}

.widget-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.widget-list-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.9rem;
}

.widget-list-item a {
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 8px;
}

.widget-list-item a:hover {
  color: var(--primary);
}

/* ========================================================
   面包屑导航 (Breadcrumb)
   ======================================================== */
.breadcrumb-nav {
  padding: 16px 0;
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.breadcrumb-list {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 8px;
  flex-wrap: wrap;
}

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

.breadcrumb-item a:hover {
  text-decoration: underline;
}

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

/* ========================================================
   筛选器与标签选单 (Filter Tabs)
   ======================================================== */
.filter-tabs {
  display: flex;
  align-items: center;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 8px;
  margin-bottom: 24px;
  scrollbar-width: none;
}

.filter-tab {
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  background: #ffffff;
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 600;
  border: 1px solid var(--border-color);
  cursor: pointer;
  white-space: nowrap;
  transition: var(--transition);
}

.filter-tab:hover, .filter-tab.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
  box-shadow: 0 4px 12px rgba(98, 0, 238, 0.25);
}

/* ========================================================
   页脚与底部四色条 (截图中底部的紫色/青色/粉色/黄色饰条)
   ======================================================== */
.site-footer {
  margin-top: auto;
  background: #0f172a;
  color: #94a3b8;
  position: relative;
}

/* 顶部四色饰条 - 完美复现用户提供的 UI 截图底部多色条 */
.footer-accent-stripe {
  height: 6px;
  display: flex;
  width: 100%;
}

.footer-stripe-1 { flex: 1; background: var(--primary); }
.footer-stripe-2 { flex: 1; background: var(--accent-cyan); }
.footer-stripe-3 { flex: 1; background: var(--accent-pink); }
.footer-stripe-4 { flex: 1; background: var(--accent-yellow); }

.footer-inner {
  padding: 48px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 36px;
  margin-bottom: 40px;
}

.footer-col h4 {
  color: #ffffff;
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 18px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 0.9rem;
}

.footer-links a:hover {
  color: #ffffff;
  padding-left: 4px;
}

.footer-disclaimer {
  font-size: 0.82rem;
  line-height: 1.7;
  color: #64748b;
  margin-top: 14px;
}

.footer-bottom {
  border-top: 1px solid #1e293b;
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  flex-wrap: wrap;
  gap: 12px;
}

/* Toast 提示框 */
.toast-msg {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%) translateY(30px);
  background: #1e293b;
  color: #ffffff;
  padding: 12px 24px;
  border-radius: var(--radius-pill);
  font-size: 0.92rem;
  font-weight: 600;
  box-shadow: 0 10px 30px rgba(0,0,0,0.3);
  display: flex;
  align-items: center;
  gap: 8px;
  z-index: 9999;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.toast-msg.show {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

/* 移动端侧边抽屉 */
.mobile-drawer {
  position: fixed;
  top: 0;
  left: -280px;
  width: 280px;
  height: 100vh;
  background: #ffffff;
  z-index: 2000;
  box-shadow: 2px 0 20px rgba(0,0,0,0.15);
  transition: 0.3s ease;
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
}

.mobile-drawer.open {
  left: 0;
}

.drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(4px);
  z-index: 1999;
  display: none;
}

.drawer-overlay.open {
  display: block;
}

.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 12px;
}

.drawer-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-secondary);
}

.drawer-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.drawer-nav-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  border-radius: 8px;
  font-weight: 600;
  color: var(--text-main);
}

.drawer-nav-link:hover, .drawer-nav-link.active {
  background: var(--primary-bg-soft);
  color: var(--primary);
}

/* ========================================================
   响应式调整
   ======================================================== */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }
}

@media (max-width: 768px) {
  .main-nav {
    display: none;
  }
  .menu-toggle {
    display: flex;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .hero-section {
    padding: 32px 0 20px;
  }
  .card-grid {
    grid-template-columns: 1fr;
  }
  .responsive-table th, .responsive-table td {
    padding: 12px 10px;
    font-size: 0.82rem;
  }
}

/* ========================================================
   评测文章专属组件样式 (Material Design 深度评测页)
   ======================================================== */
.article-hero-box {
  background: linear-gradient(135deg, #ede9fe 0%, #f1f5f9 100%);
  border-radius: var(--radius-md);
  padding: 36px 32px;
  margin-bottom: 32px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.airport-identity {
  display: flex;
  align-items: center;
  gap: 18px;
}

.airport-icon-badge {
  width: 64px;
  height: 64px;
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  font-weight: 800;
  color: white;
  background: var(--primary-gradient);
  box-shadow: 0 8px 20px rgba(98, 0, 238, 0.25);
  flex-shrink: 0;
}

.verified-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin: 20px 0;
}

.verified-card {
  background: #ffffff;
  border-radius: var(--radius-sm);
  padding: 16px 18px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.verified-card strong {
  display: block;
  font-size: 0.82rem;
  color: var(--primary);
  text-transform: uppercase;
  margin-bottom: 6px;
  font-weight: 700;
}

.verified-card span {
  font-size: 0.92rem;
  color: var(--text-main);
  line-height: 1.5;
}

.price-list-box {
  background: #f8fafc;
  border-radius: var(--radius-sm);
  padding: 18px 22px;
  margin: 16px 0 24px;
  border-left: 4px solid var(--primary);
}

.price-list-box ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 0;
}

.price-list-box li {
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

.price-list-box li::before {
  content: "💳";
  font-size: 0.9rem;
}

/* 拓扑示意图 */
.topology-flow {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  background: #ffffff;
  padding: 20px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  margin: 20px 0;
}

.topology-node {
  background: var(--bg-surface-alt);
  padding: 10px 16px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--border-color);
}

.topology-node .node-num {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
}

.topology-arrow {
  color: var(--accent-cyan);
  font-weight: bold;
  font-size: 1.2rem;
}

/* 常见问题问答卡片 */
.faq-grid {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin: 20px 0;
}

.faq-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 18px 20px;
  box-shadow: var(--shadow-sm);
}

.faq-card h3 {
  font-size: 1.05rem;
  color: var(--text-main);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.faq-card h3::before {
  content: "Q";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  background: rgba(98, 0, 238, 0.12);
  color: var(--primary);
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 800;
}

.faq-card p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.6;
  margin: 0;
}

/* 翻页导航 */
.article-pagination-bar {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin: 40px 0 20px;
  flex-wrap: wrap;
}

.pagination-btn {
  background: #ffffff;
  border: 1px solid var(--border-color);
  padding: 14px 22px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  color: var(--text-main);
  box-shadow: var(--shadow-sm);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
  text-decoration: none;
}

.pagination-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* ========================================================
   对比表格与数据卡片样式 (Material Design Table)
   ======================================================== */
.table-card {
  background: #ffffff;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  margin: 20px 0 32px;
}

.table-responsive {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.table-card table, .responsive-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
}

.table-card th, .responsive-table th {
  background: #f8fafc;
  color: var(--text-main);
  font-weight: 700;
  padding: 14px 16px;
  border-bottom: 2px solid var(--border-color);
  white-space: nowrap;
}

.table-card td, .responsive-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border-color);
  vertical-align: middle;
  color: var(--text-main);
}

.table-card tbody tr:hover, .responsive-table tbody tr:hover {
  background: rgba(98, 0, 238, 0.025);
}

.table-card tbody tr:last-child td, .responsive-table tbody tr:last-child td {
  border-bottom: none;
}