/* ==========================================================================
   VPN评测手册 (vpn-pingce.blog) - 官方设计系统样式 (2026 增强版)
   配色规范：深梅紫 (#3B1035) 外框/刊头，象牙白 (#FAF8F5) 正文长页，珊瑚色 (#FF6F61) 行动入口
   ========================================================================== */

:root {
  --color-mulberry: #3B1035;
  --color-mulberry-dark: #2A0925;
  --color-mulberry-light: #52184A;
  --color-coral: #FF6F61;
  --color-coral-hover: #E85A4F;
  --color-coral-light: #FFF0EE;
  --color-ivory: #FAF8F5;
  --color-ivory-card: #FFFFFF;
  --color-ivory-warm: #F6F1EC;
  --color-border: #E8E1D9;
  --color-border-subtle: #F0EAE3;
  --color-text-main: #1E1724;
  --color-text-muted: #5E5564;
  --color-text-light: #897D91;
  --color-tag-bg: #F4EFEB;
  --color-success: #2E7D32;
  --color-warning: #ED6C02;
  --color-badge-bg: #FEECEB;
  
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  --shadow-sm: 0 1px 3px rgba(59, 16, 53, 0.05);
  --shadow-md: 0 4px 12px rgba(59, 16, 53, 0.08);
  --shadow-lg: 0 10px 25px rgba(59, 16, 53, 0.12);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-ivory);
  color: var(--color-text-main);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ==========================================================================
   刊头与顶部导航 (Header & Navigation)
   ========================================================================== */
.site-header {
  background: var(--color-mulberry);
  color: #FFFFFF;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(42, 9, 37, 0.25);
  border-bottom: 2px solid var(--color-coral);
}

.header-container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 20px;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand-area {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: #FFFFFF;
  flex-shrink: 0;
}

.brand-logo {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  display: block;
}

.brand-title-wrap {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: #FFFFFF;
}

.brand-domain {
  font-size: 0.72rem;
  color: #E2BFDC;
  font-family: var(--font-mono);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 6px;
  list-style: none;
}

.nav-link {
  color: #E8D3E4;
  text-decoration: none;
  font-size: 0.93rem;
  font-weight: 500;
  padding: 6px 11px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  white-space: nowrap;
}

.nav-link:hover {
  color: #FFFFFF;
  background-color: var(--color-mulberry-light);
}

.nav-link.active {
  color: #FFFFFF;
  background-color: var(--color-coral);
  font-weight: 600;
}

.nav-link.featured-nav {
  border: 1px solid rgba(255, 111, 97, 0.6);
  background-color: rgba(255, 111, 97, 0.15);
  color: #FFAAA0;
}

.nav-link.featured-nav:hover,
.nav-link.featured-nav.active {
  background-color: var(--color-coral);
  color: #FFFFFF;
  border-color: var(--color-coral);
}

/* 顶部搜索栏组件 */
.header-search-wrap {
  position: relative;
  flex-shrink: 0;
}

.search-input-box {
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  padding: 5px 12px;
  transition: var(--transition);
  width: 190px;
}

.search-input-box:focus-within {
  background: #FFFFFF;
  border-color: var(--color-coral);
  width: 240px;
  box-shadow: 0 0 0 2px rgba(255, 111, 97, 0.25);
}

.search-icon {
  color: #D6BDD2;
  font-size: 0.9rem;
  margin-right: 6px;
}

.search-input-box:focus-within .search-icon {
  color: var(--color-mulberry);
}

.search-input {
  border: none;
  background: transparent;
  color: #FFFFFF;
  font-size: 0.88rem;
  width: 100%;
  outline: none;
}

.search-input-box:focus-within .search-input {
  color: var(--color-text-main);
}

.search-input::placeholder {
  color: #CDB3C8;
  font-size: 0.82rem;
}

/* 搜索下拉浮窗 */
.search-results-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 8px;
  width: 380px;
  max-height: 520px;
  overflow-y: auto;
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: none;
  z-index: 1010;
}

.search-results-dropdown.active {
  display: block;
}

.search-res-item {
  padding: 10px 14px;
  border-bottom: 1px solid var(--color-border-subtle);
  display: block;
  text-decoration: none;
  color: var(--color-text-main);
  transition: var(--transition);
}

.search-res-item:hover, .search-res-item:focus {
  background: var(--color-ivory-warm);
}

.search-res-title {
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--color-mulberry);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.search-res-tag {
  font-size: 0.72rem;
  background: var(--color-coral-light);
  color: var(--color-coral-hover);
  padding: 2px 6px;
  border-radius: 4px;
  font-weight: 500;
}

.search-res-desc {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: 4px;
  line-height: 1.4;
}

.search-empty-tip {
  padding: 20px;
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

/* ==========================================================================
   页面容器与排版 (Layout & Typography)
   ========================================================================== */
.main-wrapper {
  flex: 1;
  max-width: 1240px;
  width: 100%;
  margin: 0 auto;
  padding: 28px 20px 60px;
}

.article-container {
  background: var(--color-ivory-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px 48px;
  box-shadow: var(--shadow-sm);
}

/* 标题样式规范 (主标题、副标题与小标题严格分层) */
.page-header-block {
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 2px solid var(--color-border-subtle);
}

h1.page-title {
  font-size: 2.15rem;
  font-weight: 800;
  color: var(--color-mulberry);
  line-height: 1.45;
  margin-bottom: 14px;
  text-wrap: balance;
  word-break: normal;
  overflow-wrap: break-word;
  letter-spacing: -0.3px;
}

.page-title-main,
.page-title-sub {
  display: inline-block;
}

.page-subtitle {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  font-weight: 400;
  line-height: 1.75;
  text-wrap: balance;
  word-break: normal;
  overflow-wrap: break-word;
}

.page-subtitle-lead {
  display: inline-block;
}

h2.section-title {
  font-size: 1.55rem;
  font-weight: 700;
  color: var(--color-mulberry);
  margin-top: 48px;
  margin-bottom: 20px;
  padding-left: 14px;
  border-left: 4px solid var(--color-coral);
  line-height: 1.35;
}

h3.item-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text-main);
  margin-top: 32px;
  margin-bottom: 16px;
  scroll-margin-top: 85px;
}

p {
  margin-bottom: 16px;
  color: var(--color-text-main);
  font-size: 1.02rem;
}

ul, ol {
  margin-bottom: 20px;
  padding-left: 24px;
}

li {
  margin-bottom: 8px;
}

/* ==========================================================================
   全球云强力首推特别卡片 (Featured Top Pick: 全球云)
   ========================================================================== */
.top-pick-highlight {
  background: linear-gradient(135deg, #FAF2F8 0%, #FFF5F3 100%);
  border: 2px solid var(--color-coral);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  margin: 32px 0 40px;
  box-shadow: 0 6px 18px rgba(255, 111, 97, 0.12);
  position: relative;
  overflow: hidden;
}

.top-pick-badge-ribbon {
  position: absolute;
  top: 16px;
  right: 20px;
  background: var(--color-coral);
  color: #FFFFFF;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  letter-spacing: 0.5px;
}

.top-pick-title {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--color-mulberry);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.top-pick-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 14px;
  margin: 18px 0;
  background: rgba(255, 255, 255, 0.85);
  padding: 16px 20px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 111, 97, 0.2);
}

.top-pick-cta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 18px;
}

/* ==========================================================================
   提示框、商业披露与标签 (Alerts & Tags)
   ========================================================================== */
.alert-box {
  background: var(--color-ivory-warm);
  border-left: 4px solid var(--color-mulberry);
  padding: 18px 22px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 24px 0;
  font-size: 0.96rem;
}

.alert-box.disclosure-alert {
  border-left-color: var(--color-coral);
  background: var(--color-coral-light);
  color: #6E221B;
}

.alert-box.warning-alert {
  border-left-color: var(--color-warning);
  background: #FFF8E1;
  color: #5D4037;
}

.alert-box.success-alert {
  border-left-color: var(--color-success);
  background: #E8F5E9;
  color: #1B5E20;
}

.verified-tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: #E8F5E9;
  color: #2E7D32;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 4px;
  border: 1px solid #C8E6C9;
}

.coupon-box {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #FFF5F4;
  border: 1px dashed var(--color-coral);
  padding: 5px 10px;
  border-radius: var(--radius-sm);
}

.coupon-code {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--color-coral-hover);
  letter-spacing: 1px;
}

.copy-btn {
  background: var(--color-coral);
  color: #FFFFFF;
  border: none;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 8px;
  border-radius: 4px;
  cursor: pointer;
  transition: var(--transition);
}

.copy-btn:hover {
  background: var(--color-coral-hover);
}

/* ==========================================================================
   内容文字并行排版表 (Parallel Content Tables & Grids)
   ========================================================================== */
.table-responsive-wrapper {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 24px 0 36px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  background: #FFFFFF;
  text-align: left;
  min-width: 960px; /* 保证移动端横向滚动而非挤压 */
}

.data-table th {
  background: var(--color-mulberry);
  color: #FFFFFF;
  padding: 12px 14px;
  font-weight: 600;
  white-space: nowrap;
  letter-spacing: 0.3px;
}

.data-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--color-border-subtle);
  vertical-align: middle;
}

.data-table tr.rank-top-row {
  background: #FFFBF9;
}

.data-table tr.rank-top-row td {
  border-top: 2px solid rgba(255, 111, 97, 0.3);
}

.data-table tr:hover td {
  background-color: #F8F3ED;
}

.rank-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  font-weight: 700;
  font-size: 0.85rem;
  margin-right: 6px;
}

.rank-badge.gold { background: #FFD54F; color: #5D4037; }
.rank-badge.silver { background: #CFD8DC; color: #37474F; }
.rank-badge.bronze { background: #FFAB91; color: #4E342E; }
.rank-badge.normal { background: #EEEEEE; color: #616161; }

.data-table-price {
  font-weight: 700;
  color: var(--color-coral-hover);
  white-space: nowrap;
}

/* ==========================================================================
   28 家机场卡片排版 (Minimal, Parallel & Clean)
   ========================================================================== */
.airport-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 26px 30px;
  margin-bottom: 28px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.airport-card.featured-card {
  border: 2px solid var(--color-coral);
  box-shadow: 0 4px 14px rgba(255, 111, 97, 0.12);
}

.airport-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-border-subtle);
}

.airport-name-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
}

.airport-rank-pill {
  background: var(--color-mulberry);
  color: #FFFFFF;
  font-size: 0.82rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
}

.airport-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-mulberry);
  margin: 0;
}

.airport-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
}

.badge-tag {
  font-size: 0.78rem;
  padding: 2px 8px;
  border-radius: 4px;
  font-weight: 500;
}

.badge-tag.blue { background: #E3F2FD; color: #1565C0; }
.badge-tag.purple { background: #F3E5F5; color: #7B1FA2; }
.badge-tag.green { background: #E8F5E9; color: #2E7D32; }
.badge-tag.coral { background: var(--color-coral-light); color: var(--color-coral-hover); }

/* 文字并行网格 */
.parallel-spec-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 14px;
  margin: 16px 0;
  background: var(--color-ivory-warm);
  padding: 14px 18px;
  border-radius: var(--radius-md);
  font-size: 0.92rem;
}

.spec-cell strong {
  display: block;
  font-size: 0.78rem;
  color: var(--color-text-muted);
  margin-bottom: 2px;
  text-transform: uppercase;
}

.airport-cta-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px dashed var(--color-border);
}

.btn-aff-register {
  background: var(--color-coral);
  color: #FFFFFF !important;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 9px 20px;
  border-radius: var(--radius-md);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
}

.btn-aff-register:hover {
  background: var(--color-coral-hover);
  transform: translateY(-1px);
}

.btn-soft-link {
  color: var(--color-mulberry);
  text-decoration: underline;
  font-size: 0.88rem;
  font-weight: 500;
}

/* ==========================================================================
   TOC 目录卡片
   ========================================================================== */
.toc-box {
  background: var(--color-ivory-warm);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  margin: 24px 0 36px;
}

.toc-title {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--color-mulberry);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.toc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 10px;
  list-style: none;
}

.toc-link {
  color: var(--color-text-main);
  text-decoration: none;
  font-size: 0.88rem;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  transition: var(--transition);
  display: block;
  text-align: center;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.toc-link:hover {
  border-color: var(--color-coral);
  color: var(--color-coral-hover);
  background: var(--color-coral-light);
}

/* ==========================================================================
   FAQ 单页卡片与分类面板 (100 Q&A Items)
   ========================================================================== */
.faq-category-header {
  background: var(--color-mulberry);
  color: #FFFFFF;
  padding: 12px 18px;
  border-radius: var(--radius-sm);
  margin: 36px 0 20px;
  font-size: 1.2rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.faq-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  margin-bottom: 16px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.faq-card:hover {
  border-color: #D6BDD2;
}

.faq-question {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-mulberry);
  margin-bottom: 10px;
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.faq-q-badge {
  color: var(--color-coral);
  font-family: var(--font-mono);
  font-size: 1.05rem;
  flex-shrink: 0;
}

.faq-answer {
  color: var(--color-text-main);
  font-size: 0.96rem;
  line-height: 1.7;
}

/* ==========================================================================
   软件下载页与教程卡片 (Software Guides & Downloads)
   ========================================================================== */
.software-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin: 24px 0 36px;
}

.software-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}

.software-card:hover {
  border-color: var(--color-mulberry-light);
  box-shadow: var(--shadow-md);
}

.software-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 12px;
}

.software-name {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-mulberry);
  margin: 0;
}

.software-platform {
  font-size: 0.78rem;
  background: var(--color-tag-bg);
  color: var(--color-text-muted);
  padding: 3px 8px;
  border-radius: 4px;
}

.software-meta {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  margin-bottom: 16px;
  flex: 1;
}

.software-link-btn {
  background: var(--color-mulberry);
  color: #FFFFFF !important;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  text-align: center;
  transition: var(--transition);
  display: block;
}

.software-link-btn:hover {
  background: var(--color-coral);
}

/* ==========================================================================
   页脚 (Footer)
   ========================================================================== */
.site-footer {
  background: var(--color-mulberry-dark);
  color: #D3BFD1;
  border-top: 3px solid var(--color-coral);
  margin-top: auto;
  padding: 44px 20px 32px;
  font-size: 0.9rem;
}

.footer-container {
  max-width: 1240px;
  margin: 0 auto;
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 36px;
  margin-bottom: 32px;
}

.footer-brand-title {
  color: #FFFFFF;
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.footer-desc {
  font-size: 0.88rem;
  line-height: 1.6;
  color: #C2AAC0;
  margin-bottom: 12px;
}

.footer-heading {
  color: #FFFFFF;
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 12px;
}

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

.footer-links a {
  color: #D3BFD1;
  text-decoration: none;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--color-coral);
}

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.82rem;
  color: #A0889E;
}

/* ==========================================================================
   响应式调整 (Responsive Adjustments)
   ========================================================================== */
@media (max-width: 900px) {
  .header-container {
    height: auto;
    padding: 12px 16px;
    flex-wrap: wrap;
    gap: 10px;
  }
  
  .nav-menu {
    order: 3;
    width: 100%;
    overflow-x: auto;
    padding-bottom: 4px;
    justify-content: flex-start;
  }
  
  .header-search-wrap {
    order: 2;
    margin-left: auto;
  }
  
  .search-input-box {
    width: 160px;
  }
  
  .search-input-box:focus-within {
    width: 180px;
  }
  
  .search-results-dropdown {
    width: 310px;
    right: 0;
  }
  
  .article-container {
    padding: 24px 20px;
  }
  
  .footer-top-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

@media (max-width: 600px) {
  h1.page-title {
    font-size: 1.6rem;
  }
  
  h2.section-title {
    font-size: 1.25rem;
  }
  
  .airport-card {
    padding: 20px 16px;
  }
  
  .airport-cta-bar {
    flex-direction: column;
    align-items: stretch;
  }
  
  .btn-aff-register {
    text-align: center;
    justify-content: center;
  }
}

/* ==========================================================================
   二级专题小导航 (围绕机场vpn四大专题)
   ========================================================================== */
.subpage-nav-bar {
  background: #fdfbf7;
  border: 1px solid var(--color-border-subtle);
  border-left: 4px solid var(--color-coral);
  border-radius: var(--border-radius-card);
  padding: 12px 18px;
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  box-shadow: var(--shadow-sm);
}

.subpage-nav-label {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--color-mulberry);
  white-space: nowrap;
}

.subpage-nav-pills {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.subpage-nav-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-text-main);
  background: #ede8df;
  border: 1px solid transparent;
  text-decoration: none;
  transition: all 0.2s ease;
}

.subpage-nav-pill:hover {
  background: var(--color-coral);
  color: #fff;
  border-color: var(--color-coral);
  transform: translateY(-1px);
}

.subpage-nav-pill.active {
  background: var(--color-mulberry);
  color: #fff;
  border-color: var(--color-mulberry);
  box-shadow: 0 2px 6px rgba(45, 17, 43, 0.25);
}

/* ==========================================================================
   模版 1：【企业专线与极限测速仪表盘模版】(IPLC/IEPL 测速评级)
   ========================================================================== */
.telemetry-card {
  background: #fff;
  border: 1px solid #d6cfc7;
  border-top: 4px solid #1a365d;
  border-radius: var(--border-radius-card);
  padding: 24px;
  margin-bottom: 30px;
  box-shadow: var(--shadow-sm);
}

.telemetry-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin: 16px 0 20px;
}

.telemetry-stat-card {
  background: #f4f7fb;
  border: 1px solid #d8e2ee;
  border-radius: 8px;
  padding: 12px 14px;
  text-align: center;
}

.telemetry-stat-value {
  font-size: 1.35rem;
  font-weight: 800;
  color: #1a365d;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

.telemetry-stat-label {
  font-size: 0.8rem;
  color: #5a6a85;
  margin-top: 4px;
}

.isp-route-bar-list {
  background: #fbfbfd;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  padding: 14px 18px;
  margin-bottom: 16px;
}

.isp-route-item {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 10px;
  font-size: 0.88rem;
}

.isp-route-item:last-child {
  margin-bottom: 0;
}

.isp-route-name {
  width: 140px;
  font-weight: 600;
  color: var(--color-text-main);
  flex-shrink: 0;
}

.isp-route-progress {
  flex: 1;
  background: #e2e8f0;
  height: 10px;
  border-radius: 5px;
  overflow: hidden;
}

.isp-route-fill {
  background: linear-gradient(90deg, #3182ce, #2b6cb0);
  height: 100%;
  border-radius: 5px;
}

.isp-route-ping {
  width: 70px;
  text-align: right;
  font-weight: 700;
  font-size: 0.85rem;
  color: #2b6cb0;
  font-family: ui-monospace, monospace;
}

.sla-verdict-box {
  background: #ebf8ff;
  border-left: 4px solid #3182ce;
  padding: 12px 16px;
  border-radius: 0 8px 8px 0;
  font-size: 0.92rem;
  color: #2a4365;
  margin-bottom: 16px;
}

/* ==========================================================================
   模版 2：【性价比与资费阶梯算盘模版】(平价学生党选型)
   ========================================================================== */
.budget-card {
  background: #fff;
  border: 1px solid #d6cfc7;
  border-top: 4px solid #dd6b20;
  border-radius: var(--border-radius-card);
  padding: 24px;
  margin-bottom: 30px;
  box-shadow: var(--shadow-sm);
}

.budget-calc-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin: 16px 0 20px;
}

.budget-calc-item {
  background: #fffaf0;
  border: 1px solid #feebc8;
  border-radius: 8px;
  padding: 12px 14px;
  text-align: center;
}

.budget-calc-price {
  font-size: 1.35rem;
  font-weight: 800;
  color: #c05621;
}

.budget-calc-unit {
  font-size: 0.8rem;
  color: #7b341e;
  margin-top: 4px;
}

.trap-notice-box {
  background: #fff5f5;
  border-left: 4px solid #e53e3e;
  padding: 12px 16px;
  border-radius: 0 8px 8px 0;
  font-size: 0.92rem;
  color: #742a2a;
  margin-bottom: 16px;
}

.tiered-advice-list {
  background: #f7fafc;
  border: 1px solid #edf2f7;
  border-radius: 8px;
  padding: 14px 18px;
  margin-bottom: 16px;
}

.tiered-advice-item {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 8px;
  font-size: 0.9rem;
}

.tiered-advice-item:last-child {
  margin-bottom: 0;
}

.tiered-advice-badge {
  background: #feebc8;
  color: #7b341e;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
  flex-shrink: 0;
}

/* ==========================================================================
   模版 3：【流媒体4K与AI纯净IP解锁模版】(六大平台与IP纯净度)
   ========================================================================== */
.streaming-ai-card {
  background: #fff;
  border: 1px solid #d6cfc7;
  border-top: 4px solid #2f855a;
  border-radius: var(--border-radius-card);
  padding: 24px;
  margin-bottom: 30px;
  box-shadow: var(--shadow-sm);
}

.unlock-matrix-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin: 16px 0 20px;
}

.unlock-status-item {
  background: #f0fff4;
  border: 1px solid #c6f6d5;
  border-radius: 8px;
  padding: 10px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.88rem;
}

.unlock-status-name {
  font-weight: 700;
  color: #22543d;
}

.status-pill {
  font-size: 0.78rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 12px;
}

.status-pill.pass {
  background: #38a169;
  color: #fff;
}

.status-pill.warn {
  background: #d69e2e;
  color: #fff;
}

.ip-purity-audit-row {
  background: #f7fafc;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 16px;
}

.ip-purity-stat {
  text-align: center;
}

.ip-purity-value {
  font-size: 1.25rem;
  font-weight: 800;
  color: #276749;
}

.ip-purity-label {
  font-size: 0.78rem;
  color: #718096;
  margin-top: 2px;
}

/* ==========================================================================
   模版 4：【跨境外贸与TikTok多国舰队模版】(电商防关联与独立站)
   ========================================================================== */
.crossborder-card {
  background: #fff;
  border: 1px solid #d6cfc7;
  border-top: 4px solid #6b46c1;
  border-radius: var(--border-radius-card);
  padding: 24px;
  margin-bottom: 30px;
  box-shadow: var(--shadow-sm);
}

.fleet-region-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin: 14px 0 18px;
}

.fleet-region-pill {
  background: #faf5ff;
  border: 1px solid #e9d8fd;
  color: #553c9e;
  font-size: 0.82rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 6px;
}

.compliance-checklist-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 18px;
}

.compliance-check-card {
  background: #f7fafc;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  padding: 12px 14px;
}

.compliance-check-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: #44337a;
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.compliance-check-desc {
  font-size: 0.82rem;
  color: #4a5568;
  line-height: 1.5;
}

@media (max-width: 768px) {
  .telemetry-grid,
  .budget-calc-grid,
  .anti-blocking-matrix {
    grid-template-columns: repeat(2, 1fr);
  }
  .unlock-matrix-grid {
    grid-template-columns: 1fr;
  }
  .compliance-checklist-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   模版 5：【抗封锁协议与连通性雷达模版】(Reality/Shadowsocks抗审查)
   ========================================================================== */
.protocol-radar-card {
  background: #fff;
  border: 1px solid #d6cfc7;
  border-top: 4px solid #b83280;
  border-radius: var(--border-radius-card);
  padding: 24px;
  margin-bottom: 30px;
  box-shadow: var(--shadow-sm);
}

.protocol-chip-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin: 14px 0 18px;
}

.protocol-chip {
  background: #fdf2f8;
  border: 1px solid #fbcfe8;
  color: #9d174d;
  font-size: 0.82rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 6px;
  font-family: ui-monospace, monospace;
}

.anti-blocking-matrix {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 18px;
}

.anti-blocking-stat {
  background: #fdf2f8;
  border: 1px solid #fce7f3;
  border-radius: 8px;
  padding: 12px 14px;
  text-align: center;
}

.anti-blocking-value {
  font-size: 1.3rem;
  font-weight: 800;
  color: #9d174d;
  font-family: ui-monospace, monospace;
}

.anti-blocking-label {
  font-size: 0.8rem;
  color: #831843;
  margin-top: 4px;
}

.stealth-audit-box {
  background: #fff0f6;
  border-left: 4px solid #db2777;
  padding: 12px 16px;
  border-radius: 0 8px 8px 0;
  font-size: 0.92rem;
  color: #831843;
  margin-bottom: 16px;
}

@media (max-width: 768px) {
  .telemetry-grid,
  .budget-calc-grid,
  .anti-blocking-matrix,
  .free-risk-grid,
  .ux-score-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .unlock-matrix-grid {
    grid-template-columns: 1fr;
  }
  .compliance-checklist-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   模版 6：【免费与付费安全风险对比模版】(免费机场VPN避坑)
   ========================================================================== */
.freemium-card {
  background: #fff;
  border: 1px solid #d6cfc7;
  border-top: 4px solid #d97706;
  border-radius: var(--border-radius-card);
  padding: 24px;
  margin-bottom: 30px;
  box-shadow: var(--shadow-sm);
}

.free-risk-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin: 16px 0 20px;
}

.free-risk-item {
  background: #fffbeb;
  border: 1px solid #fde68a;
  border-radius: 8px;
  padding: 12px 14px;
  text-align: center;
}

.free-risk-value {
  font-size: 1.25rem;
  font-weight: 800;
  color: #b45309;
}

.free-risk-label {
  font-size: 0.8rem;
  color: #92400e;
  margin-top: 4px;
}

.free-truth-box {
  background: #fef3c7;
  border-left: 4px solid #f59e0b;
  padding: 14px 18px;
  border-radius: 0 8px 8px 0;
  font-size: 0.92rem;
  color: #78350f;
  margin-bottom: 16px;
}

/* ==========================================================================
   模版 7：【新手开箱与易用性雷达模版】(好用的VPN榜单)
   ========================================================================== */
.ux-best-card {
  background: #fff;
  border: 1px solid #d6cfc7;
  border-top: 4px solid #4f46e5;
  border-radius: var(--border-radius-card);
  padding: 24px;
  margin-bottom: 30px;
  box-shadow: var(--shadow-sm);
}

.ux-score-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin: 16px 0 20px;
}

.ux-score-item {
  background: #eef2ff;
  border: 1px solid #e0e7ff;
  border-radius: 8px;
  padding: 12px 14px;
  text-align: center;
}

.ux-score-value {
  font-size: 1.3rem;
  font-weight: 800;
  color: #4338ca;
}

.ux-score-label {
  font-size: 0.8rem;
  color: #3730a3;
  margin-top: 4px;
}

.easy-features-list {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  padding: 14px 18px;
  margin-bottom: 16px;
}

.easy-feature-tag {
  display: inline-block;
  background: #e0e7ff;
  color: #3730a3;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 12px;
  margin-right: 8px;
  margin-bottom: 6px;
}

/* ==========================================================================
   六维测评细节资料面板 (测评方式、内容、人群、节点、时间、设备)
   ========================================================================== */
.review-detail-matrix {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  background: #fbf9f6;
  border: 1px solid #e8e2d9;
  border-radius: 8px;
  padding: 16px;
  margin: 16px 0 18px;
}

.review-detail-cell {
  background: #ffffff;
  border: 1px solid #ede8e1;
  border-radius: 6px;
  padding: 10px 12px;
}

.review-detail-label {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-mulberry);
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 5px;
}

.review-detail-content {
  font-size: 0.86rem;
  color: var(--color-text-main);
  line-height: 1.5;
}

@media (max-width: 860px) {
  .review-detail-matrix {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .review-detail-matrix {
    grid-template-columns: 1fr;
  }
}





/* ==========================================================================
   全站全面移动端响应式与触控体验适配 (Comprehensive Mobile Optimization)
   ========================================================================== */

/* 防止全站移动端横向溢出 */
html, body {
  overflow-x: hidden;
  max-width: 100vw;
}

/* 表格全局横向自适应滚动与触控优化 */
.table-container,
.table-responsive-wrapper {
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 16px 0 24px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  background: #ffffff;
}

.table-container table,
.table-responsive-wrapper table,
.data-table {
  min-width: 580px; /* 保证表格列内容在小屏幕手机上不被严重挤压变形 */
  width: 100%;
  border-collapse: collapse;
}

/* 首页双入口大卡片样式 (推荐与下载) */
.hero-dual-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin: 24px 0 32px;
}

.hero-entry-card {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px 26px;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  box-shadow: var(--shadow-sm);
}

.hero-entry-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.hero-entry-card.recommend-card {
  border-top: 4px solid var(--color-coral);
}

.hero-entry-card.download-card {
  border-top: 4px solid var(--color-mulberry);
}

.entry-eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-coral);
  margin-bottom: 8px;
}

.hero-entry-card.download-card .entry-eyebrow {
  color: var(--color-mulberry);
}

.entry-heading {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-mulberry);
  margin: 0 0 10px 0;
  line-height: 1.35;
}

.entry-desc {
  font-size: 0.92rem;
  color: var(--color-text-main);
  line-height: 1.6;
  margin-bottom: 18px;
  flex: 1;
}

.entry-cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 0.92rem;
  text-decoration: none;
  transition: all 0.2s ease;
  min-height: 44px;
}

.coral-btn {
  background: var(--color-coral);
  color: #ffffff !important;
}

.coral-btn:hover {
  background: #e55a4b;
}

.mulberry-btn {
  background: var(--color-mulberry);
  color: #ffffff !important;
}

.mulberry-btn:hover {
  background: #3e0c32;
}

/* 推荐页面优缺点评测对比卡片 (Pros & Cons) */
.airport-pros-cons {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin: 16px 0 20px;
}

.pros-box {
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  border-radius: var(--radius-md);
  padding: 14px 16px;
  font-size: 0.88rem;
}

.pros-box strong {
  color: #166534;
  display: block;
  margin-bottom: 8px;
  font-size: 0.92rem;
}

.cons-box {
  background: #fffbeb;
  border: 1px solid #fde68a;
  border-radius: var(--radius-md);
  padding: 14px 16px;
  font-size: 0.88rem;
}

.cons-box strong {
  color: #92400e;
  display: block;
  margin-bottom: 8px;
  font-size: 0.92rem;
}

.pros-box ul,
.cons-box ul {
  margin: 0;
  padding-left: 18px;
  line-height: 1.55;
  color: var(--color-text-main);
}

.pros-box li,
.cons-box li {
  margin-bottom: 4px;
}

/* ==========================================================================
   移动端断点优化 (Mobile Breakpoints: <= 768px, <= 600px, <= 480px)
   ========================================================================== */

@media (max-width: 768px) {
  .hero-dual-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  
  .airport-pros-cons {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  
  .subpage-nav-bar {
    padding: 10px 12px;
    margin-bottom: 20px;
    gap: 8px;
  }
  
  .subpage-nav-label {
    width: 100%;
    margin-bottom: 4px;
    font-size: 0.88rem;
  }
  
  .subpage-nav-pills {
    gap: 6px;
  }
  
  .subpage-nav-pill {
    padding: 6px 11px;
    font-size: 0.82rem;
    min-height: 34px;
  }
}

@media (max-width: 600px) {
  .main-wrapper {
    padding: 14px 10px 48px;
  }

  .article-container {
    padding: 20px 14px;
    border-radius: var(--radius-md);
  }

  h1.article-title,
  h1.page-title {
    font-size: 1.45rem;
    line-height: 1.35;
    margin-bottom: 10px;
  }

  .article-lead {
    font-size: 0.92rem;
    line-height: 1.6;
    margin-bottom: 18px;
  }

  h2.section-title {
    font-size: 1.22rem;
    margin-top: 24px;
    margin-bottom: 12px;
  }

  .airport-title {
    font-size: 1.15rem;
    word-break: break-word;
  }

  .airport-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .airport-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
  }

  .parallel-spec-grid {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 12px 14px;
    font-size: 0.88rem;
  }

  .top-pick-grid {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 12px 14px;
  }

  .top-pick-highlight {
    padding: 18px 14px;
  }

  .top-pick-title {
    font-size: 1.12rem;
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .airport-cta-bar {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }

  .btn-aff-register {
    width: 100%;
    min-height: 44px;
    text-align: center;
    justify-content: center;
    font-size: 0.95rem;
  }

  .toc-box {
    padding: 16px 14px;
  }

  .toc-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }

  .breadcrumb-trail {
    font-size: 0.8rem;
    margin-bottom: 12px;
    word-break: break-word;
  }

  .footer-container {
    padding: 32px 14px 24px;
  }

  .footer-top-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .footer-bottom-bar {
    flex-direction: column;
    text-align: center;
    gap: 10px;
    font-size: 0.8rem;
  }
}

@media (max-width: 480px) {
  .header-container {
    padding: 10px 12px;
    gap: 8px;
  }

  .brand-area {
    gap: 8px;
  }

  .brand-logo {
    width: 30px;
    height: 30px;
  }

  .brand-name {
    font-size: 1.02rem;
  }

  .brand-domain {
    display: none; /* 小屏手机隐藏域名副标题，给搜索框留足显示空间 */
  }

  .header-search-wrap {
    margin-left: auto;
  }

  .search-input-box {
    width: 135px;
    height: 32px;
  }

  .search-input-box:focus-within {
    width: 160px;
  }

  .search-input {
    font-size: 0.8rem;
  }

  .search-results-dropdown {
    width: calc(100vw - 24px);
    right: 0;
    left: auto;
    max-width: 320px;
  }

  .nav-menu {
    gap: 4px;
    padding-bottom: 2px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

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

  .nav-link {
    font-size: 0.84rem;
    padding: 5px 9px;
  }

  .telemetry-grid,
  .budget-calc-grid,
  .anti-blocking-matrix,
  .free-risk-grid,
  .ux-score-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }

  .telemetry-stat-card {
    padding: 10px 8px;
  }

  .telemetry-stat-value {
    font-size: 1.15rem;
  }

  .telemetry-stat-label {
    font-size: 0.76rem;
  }

  .isp-route-item {
    font-size: 0.8rem;
    gap: 8px;
  }

  .isp-route-name {
    min-width: 95px;
  }

  .isp-route-ping {
    font-size: 0.78rem;
  }

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

  .software-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }
}