/* ==========================================================================
   星链 (Starlink) 网络加速服务 - 原生纯净 CSS (现代化浅色科技商务风)
   零外部依赖 | 极速秒开 | 响应式自适应 | 高对比度易读
   ========================================================================== */

:root {
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-card: #ffffff;
  --bg-card-hover: #ffffff;
  --border-color: #e2e8f0;
  --border-highlight: rgba(2, 132, 199, 0.4);

  --accent-cyan: #0284c7;
  --accent-blue: #2563eb;
  --accent-indigo: #4f46e5;
  --accent-purple: #7c3aed;
  --accent-green: #059669;
  --accent-gradient: linear-gradient(135deg, #0284c7 0%, #2563eb 50%, #7c3aed 100%);
  --btn-gradient: linear-gradient(135deg, #2563eb 0%, #0284c7 100%);
  --btn-hover-gradient: linear-gradient(135deg, #1d4ed8 0%, #0369a1 100%);

  --text-main: #0f172a;
  --text-muted: #475569;
  --text-dim: #64748b;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --container-width: 1200px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --shadow-card: 0 4px 20px -2px rgba(15, 23, 42, 0.06), 0 2px 6px -1px rgba(15, 23, 42, 0.04);
  --shadow-card-hover: 0 12px 30px -4px rgba(15, 23, 42, 0.12), 0 4px 10px -2px rgba(15, 23, 42, 0.06);
  --shadow-glow: 0 8px 30px rgba(2, 132, 199, 0.15);
}

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

html {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.6;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  background: radial-gradient(circle at 50% -10%, #e0f2fe 0%, #f8fafc 40%, #f1f5f9 100%);
  background-attachment: fixed;
}

a {
  color: inherit;
  text-decoration: none;
  transition: all 0.2s ease;
}

ul {
  list-style: none;
}

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ==================== 顶部导航 Header ==================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.logo-icon {
  width: 32px;
  height: 32px;
  background: var(--accent-gradient);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 900;
  color: #fff;
  box-shadow: 0 4px 12px rgba(2, 132, 199, 0.3);
}

.brand-name {
  background: linear-gradient(135deg, #0f172a 40%, #334155 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links a {
  color: var(--text-muted);
  font-size: 15px;
  font-weight: 500;
}

.nav-links a:hover {
  color: var(--accent-cyan);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* ==================== 按钮规范 CTA Buttons ==================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  border: 1px solid transparent;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  min-height: 44px;
  text-align: center;
}

.btn-primary {
  background: var(--btn-gradient);
  color: #ffffff !important;
  box-shadow: 0 4px 16px rgba(37, 99, 235, 0.25);
}

.btn-primary:hover {
  background: var(--btn-hover-gradient);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(2, 132, 199, 0.35);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: #f1f5f9;
  color: #1e293b;
  border: 1px solid #cbd5e1;
}

.btn-secondary:hover {
  background: #e2e8f0;
  color: #0f172a;
  border-color: #94a3b8;
  transform: translateY(-2px);
}

.btn-lg {
  padding: 14px 32px;
  font-size: 17px;
  border-radius: var(--radius-md);
  min-height: 52px;
}

.btn-block {
  width: 100%;
}

/* ==================== 英雄区 Hero Section ==================== */
.hero-section {
  padding: 80px 0 60px;
  text-align: center;
  position: relative;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(2, 132, 199, 0.08);
  border: 1px solid rgba(2, 132, 199, 0.25);
  color: var(--accent-cyan);
  padding: 6px 16px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 24px;
  letter-spacing: 0.5px;
}

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

.hero-title {
  font-size: clamp(34px, 5.5vw, 56px);
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 22px;
  letter-spacing: -0.5px;
  color: var(--text-main);
}

.hero-title .gradient-text {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: clamp(16px, 2.2vw, 19px);
  color: var(--text-muted);
  max-width: 740px;
  margin: 0 auto 36px;
  line-height: 1.7;
}

.hero-cta-group {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 48px;
}

.hero-features-bar {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 32px;
  padding: 20px 24px;
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  max-width: 880px;
  margin: 0 auto;
  box-shadow: var(--shadow-card);
}

.feature-tag {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
}

.feature-tag strong {
  color: var(--text-main);
}

.feature-tag .tag-icon {
  color: var(--accent-cyan);
  font-size: 16px;
}

/* ==================== 通用板块 Section ==================== */
.section {
  padding: 80px 0;
  position: relative;
}

.section-alt {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 50px;
}

.section-tag {
  color: var(--accent-cyan);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 10px;
  display: block;
}

.section-title {
  font-size: clamp(26px, 3.8vw, 36px);
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 14px;
  color: var(--text-main);
}

.section-desc {
  font-size: 16px;
  color: var(--text-muted);
}

/* ==================== 核心优势 Core Features ==================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 32px 26px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.feature-card:hover {
  border-color: var(--border-highlight);
  transform: translateY(-5px);
  box-shadow: var(--shadow-card-hover);
}

.feature-card-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: rgba(37, 99, 235, 0.08);
  border: 1px solid rgba(37, 99, 235, 0.18);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--accent-blue);
  margin-bottom: 20px;
}

.feature-card-title {
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-main);
}

.feature-card-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.65;
}

/* ==================== 流媒体与 AI 支持 ==================== */
.media-ai-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

.category-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-card);
}

.category-card:hover {
  border-color: var(--border-highlight);
  box-shadow: var(--shadow-card-hover);
}

.category-card-head {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}

.category-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: #fff;
  box-shadow: 0 4px 12px rgba(2, 132, 199, 0.25);
}

.category-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-main);
}

.category-subtitle {
  font-size: 13px;
  color: var(--text-muted);
}

.brand-chips-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-bottom: 24px;
}

.brand-chip {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  transition: all 0.2s ease;
}

.brand-chip:hover {
  background: #f1f5f9;
  border-color: #cbd5e1;
}

.brand-chip-icon {
  font-size: 20px;
}

.brand-chip-info strong {
  display: block;
  font-size: 14px;
  color: var(--text-main);
}

.brand-chip-info span {
  font-size: 11px;
  color: var(--accent-cyan);
}

.category-highlights {
  padding-top: 18px;
  border-top: 1px solid var(--border-color);
  font-size: 13px;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.highlight-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.highlight-check {
  color: var(--accent-green);
  font-weight: bold;
}

/* ==================== 套餐价格表 Pricing ==================== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  align-items: stretch;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  display: flex;
  flex-direction: column;
  transition: all 0.3s ease;
  position: relative;
  box-shadow: var(--shadow-card);
}

.pricing-card:hover {
  border-color: var(--border-highlight);
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
}

.pricing-card.popular {
  border: 2px solid var(--accent-cyan);
  background: linear-gradient(180deg, #ffffff 0%, #f0f9ff 100%);
  box-shadow: 0 10px 35px rgba(2, 132, 199, 0.16);
  transform: scale(1.03);
}

.pricing-card.popular:hover {
  transform: scale(1.04) translateY(-6px);
}

.popular-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent-gradient);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 16px;
  border-radius: 999px;
  box-shadow: 0 4px 12px rgba(2, 132, 199, 0.35);
  letter-spacing: 0.5px;
}

.plan-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-main);
}

.plan-desc {
  font-size: 13px;
  color: var(--text-muted);
  min-height: 38px;
  margin-bottom: 20px;
}

.plan-price-wrap {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 26px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-color);
}

.plan-currency {
  font-size: 22px;
  font-weight: 600;
  color: var(--accent-cyan);
}

.plan-price {
  font-size: 42px;
  font-weight: 900;
  letter-spacing: -1px;
  color: var(--text-main);
}

.plan-period {
  font-size: 14px;
  color: var(--text-muted);
}

.plan-features {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 32px;
  flex-grow: 1;
}

.plan-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: #334155;
}

.plan-feature-item strong {
  color: var(--text-main);
}

.plan-feature-icon {
  color: var(--accent-green);
  font-size: 16px;
  line-height: 1.4;
}

/* ==================== 用户评价 Reviews ==================== */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.review-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-card);
}

.review-stars {
  color: #f59e0b;
  font-size: 14px;
  margin-bottom: 12px;
  letter-spacing: 2px;
}

.review-text {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 20px;
}

.review-author {
  display: flex;
  align-items: center;
  gap: 12px;
  border-top: 1px solid var(--border-color);
  padding-top: 14px;
}

.author-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, #2563eb, #0284c7);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 14px;
  color: #fff;
}

.author-info strong {
  display: block;
  font-size: 13px;
  color: var(--text-main);
}

.author-info span {
  font-size: 11px;
  color: var(--text-dim);
}

/* ==================== 常见问题 FAQ (原生 Details) ==================== */
.faq-list {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all 0.25s ease;
  box-shadow: var(--shadow-card);
}

.faq-item:hover {
  border-color: var(--border-highlight);
}

.faq-question {
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  user-select: none;
  color: var(--text-main);
}

.faq-question::-webkit-details-marker {
  display: none;
}

.faq-question::after {
  content: "+";
  font-size: 22px;
  font-weight: 400;
  color: var(--accent-cyan);
  transition: transform 0.25s ease;
}

.faq-item[open] .faq-question::after {
  content: "−";
  transform: rotate(180deg);
}

.faq-answer {
  padding: 0 24px 22px 24px;
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  border-top: 1px solid var(--border-color);
  padding-top: 16px;
}

/* ==================== 底部 CTA 横幅 ==================== */
.cta-banner {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.08) 0%, rgba(2, 132, 199, 0.12) 100%);
  border: 1px solid rgba(2, 132, 199, 0.25);
  border-radius: var(--radius-lg);
  padding: 60px 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
  margin-bottom: 80px;
  box-shadow: var(--shadow-card);
}

.cta-banner-title {
  font-size: clamp(26px, 3.5vw, 36px);
  font-weight: 800;
  margin-bottom: 14px;
  color: var(--text-main);
}

.cta-banner-desc {
  font-size: 16px;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 30px;
}

/* ==================== 页脚 Footer (仅保留4个标题) ==================== */
.site-footer {
  margin-top: auto;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 40px 0;
}

.footer-nav {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 40px;
  margin-bottom: 24px;
}

.footer-link {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-muted);
  position: relative;
  padding: 6px 0;
  transition: color 0.2s ease;
}

.footer-link:hover {
  color: var(--accent-cyan);
}

.footer-copyright {
  text-align: center;
  font-size: 12px;
  color: var(--text-dim);
}

/* ==================== 独立文档页专用样式 (关于/条款/隐私/地势/文章) ==================== */
.doc-page {
  padding: 60px 0 100px;
}

.doc-wrapper {
  max-width: 860px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: var(--shadow-card);
}

.doc-header {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 24px;
  margin-bottom: 36px;
}

.doc-title {
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 12px;
  color: var(--text-main);
}

.doc-meta {
  font-size: 13px;
  color: var(--text-dim);
}

.doc-body h2 {
  font-size: 20px;
  font-weight: 700;
  margin: 32px 0 14px;
  color: var(--text-main);
  border-left: 3px solid var(--accent-cyan);
  padding-left: 12px;
}

.doc-body h3 {
  font-size: 16px;
  font-weight: 600;
  margin: 20px 0 10px;
  color: var(--text-main);
}

.doc-body p {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 16px;
}

.doc-body ul {
  list-style: disc;
  padding-left: 24px;
  margin-bottom: 20px;
  color: var(--text-muted);
}

.doc-body ul li {
  margin-bottom: 8px;
  line-height: 1.7;
}

.doc-highlight-box {
  background: rgba(2, 132, 199, 0.06);
  border: 1px solid rgba(2, 132, 199, 0.2);
  border-radius: var(--radius-sm);
  padding: 18px 20px;
  margin: 24px 0;
  color: #1e293b;
  font-size: 14px;
  line-height: 1.7;
}

.doc-highlight-box p {
  color: #334155;
}

.sitemap-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 20px;
}

.sitemap-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 20px;
}

.sitemap-card h3 {
  font-size: 16px;
  margin-bottom: 12px;
  color: var(--accent-cyan);
}

.sitemap-card ul {
  list-style: none;
  padding-left: 0;
}

.sitemap-card ul li {
  margin-bottom: 10px;
}

.sitemap-card ul li a {
  color: var(--text-muted);
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.sitemap-card ul li a:hover {
  color: var(--accent-cyan);
  transform: translateX(4px);
}

/* ==================== 高科技网格卡片 (Tech Grid Cards) ==================== */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 36px;
}

.article-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 26px 22px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.article-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--accent-gradient);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.article-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-highlight);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.article-card:hover::before {
  opacity: 1;
}

.article-tag {
  display: inline-block;
  background: rgba(2, 132, 199, 0.08);
  color: var(--accent-cyan);
  border: 1px solid rgba(2, 132, 199, 0.2);
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 999px;
  margin-bottom: 14px;
  align-self: flex-start;
}

.article-card-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.45;
  margin-bottom: 12px;
}

.article-card-title a {
  color: var(--text-main);
}

.article-card-title a:hover {
  color: var(--accent-cyan);
}

.article-card-desc {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 20px;
  flex-grow: 1;
}

.article-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid #f1f5f9;
  padding-top: 14px;
  font-size: 12px;
  color: var(--text-dim);
}

.article-read-btn {
  color: var(--accent-cyan);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.article-read-btn:hover {
  color: var(--accent-blue);
}

/* ==================== 响应式媒体查询 Responsive (@media) ==================== */
@media (max-width: 992px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .media-ai-container {
    grid-template-columns: 1fr;
  }

  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }

  .pricing-card.popular {
    transform: none;
  }

  .pricing-card.popular:hover {
    transform: translateY(-6px);
  }

  .reviews-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .articles-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .site-header .nav-links {
    display: none;
  }

  .nav-container {
    height: 64px;
  }

  .hero-section {
    padding: 50px 0 40px;
  }

  .hero-cta-group {
    flex-direction: column;
    gap: 12px;
  }

  .hero-cta-group .btn {
    width: 100%;
  }

  .hero-features-bar {
    flex-direction: column;
    gap: 14px;
    align-items: flex-start;
  }

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

  .brand-chips-grid {
    grid-template-columns: 1fr;
  }

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

  .footer-nav {
    flex-direction: column;
    gap: 18px;
    text-align: center;
  }

  .doc-wrapper {
    padding: 28px 20px;
  }

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

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

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .btn {
    padding: 14px 20px;
    font-size: 15px;
    min-height: 48px;
  }

  .cta-banner {
    padding: 40px 20px;
  }
}