/* 蓝胖云 (lanpangyun.homes) - 极简现代化高响应原生CSS样式表 (亮蓝色背景主题) */
:root {
  --bg-main: #2563eb;
  --bg-gradient: linear-gradient(135deg, #1d4ed8 0%, #2563eb 30%, #0284c7 65%, #38bdf8 100%);
  --bg-card: #ffffff;
  --bg-card-hover: #f8fafc;
  --bg-accent: #eff6ff;
  --border-color: rgba(255, 255, 255, 0.25);
  --border-card: #e2e8f0;
  --border-highlight: #2563eb;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --text-light: #ffffff;
  --text-light-muted: #e0f2fe;
  --primary: #2563eb;
  --primary-light: #38bdf8;
  --primary-dark: #1d4ed8;
  --primary-glow: rgba(37, 99, 235, 0.35);
  --accent-cyan: #06b6d4;
  --accent-orange: #f59e0b;
  --accent-green: #10b981;
  --shadow-card: 0 10px 25px -5px rgba(15, 23, 42, 0.12), 0 8px 10px -6px rgba(15, 23, 42, 0.08);
  --shadow-hover: 0 20px 35px -5px rgba(15, 23, 42, 0.18), 0 10px 15px -5px rgba(15, 23, 42, 0.1);
  --max-w: 1200px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: #2563eb;
  color: var(--text-main);
  font-family: var(--font-family);
  -webkit-font-smoothing: antialiased;
}

body {
  line-height: 1.65;
  background: var(--bg-gradient) fixed;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: #1d4ed8;
}

.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 20px;
}

/* 导航栏 */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.85);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  padding: 14px 0;
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.35rem;
  font-weight: 800;
  color: #1e3a8a;
  letter-spacing: -0.5px;
}

.logo-img {
  width: 42px;
  height: 42px;
  border-radius: 11px;
  object-fit: cover;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
  border: 1px solid rgba(59, 130, 246, 0.3);
  display: block;
}

.nav-links {
  display: flex;
  gap: 26px;
  align-items: center;
  list-style: none;
}

.nav-links a {
  color: #475569;
  font-size: 0.98rem;
  font-weight: 600;
}

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

/* 按钮规范 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 26px;
  font-size: 1rem;
  font-weight: 700;
  border-radius: var(--radius-md);
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  text-align: center;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, #1d4ed8 0%, #2563eb 100%);
  color: #fff !important;
  box-shadow: 0 6px 20px rgba(29, 78, 216, 0.35);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #1e40af 0%, #1d4ed8 100%);
  transform: translateY(-2px);
  box-shadow: 0 8px 26px rgba(29, 78, 216, 0.5);
}

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

.btn-secondary:hover {
  background: #e2e8f0;
  border-color: #94a3b8;
}

.btn-white {
  background: #ffffff;
  color: #1d4ed8 !important;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.btn-white:hover {
  background: #f8fafc;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}

.btn-sm {
  padding: 8px 18px;
  font-size: 0.88rem;
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 15px 34px;
  font-size: 1.1rem;
  border-radius: var(--radius-md);
}

/* 主视觉区 (Hero) */
.hero {
  padding: 80px 0 60px;
  text-align: center;
  position: relative;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  background: rgba(255, 255, 255, 0.22);
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: 999px;
  font-size: 0.9rem;
  color: #ffffff;
  margin-bottom: 24px;
  font-weight: 600;
  backdrop-filter: blur(8px);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.1);
}

.hero-tag span {
  width: 10px;
  height: 10px;
  background-color: #34d399;
  border-radius: 50%;
  box-shadow: 0 0 10px #34d399;
}

.hero h1 {
  font-size: clamp(2.3rem, 5.2vw, 3.8rem);
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: -1px;
  margin-bottom: 22px;
  color: #ffffff;
  text-shadow: 0 3px 12px rgba(15, 23, 42, 0.25);
}

.hero h1 .highlight {
  color: #fef08a; /* 金黄亮色高光，在亮蓝底上对比极其鲜艳出彩 */
  text-shadow: 0 3px 14px rgba(0, 0, 0, 0.3);
}

.hero p.subtitle {
  font-size: clamp(1.08rem, 2vw, 1.25rem);
  color: #f0f9ff;
  max-width: 760px;
  margin: 0 auto 36px;
  font-weight: 500;
  line-height: 1.7;
  text-shadow: 0 2px 8px rgba(15, 23, 42, 0.2);
}

.hero-ctas {
  display: flex;
  justify-content: center;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 45px;
}

.hero-ctas .btn-primary {
  background: #ffffff;
  color: #1d4ed8 !important;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.25);
}

.hero-ctas .btn-primary:hover {
  background: #f8fafc;
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.35);
}

.hero-ctas .btn-secondary {
  background: rgba(255, 255, 255, 0.18);
  color: #ffffff !important;
  border: 1.5px solid rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(8px);
}

.hero-ctas .btn-secondary:hover {
  background: rgba(255, 255, 255, 0.32);
  border-color: #ffffff;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  max-width: 920px;
  margin: 0 auto;
  padding: 24px;
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-hover);
}

.stat-item h3 {
  font-size: 1.8rem;
  font-weight: 900;
  color: #1d4ed8;
  margin-bottom: 4px;
}

.stat-item p {
  font-size: 0.88rem;
  font-weight: 600;
  color: #64748b;
}

/* 区块通用结构 */
.section {
  padding: 85px 0;
}

.section-head {
  text-align: center;
  margin-bottom: 50px;
}

.section-head .tag {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.22);
  border: 1px solid rgba(255, 255, 255, 0.4);
  padding: 4px 14px;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 12px;
  display: inline-block;
  backdrop-filter: blur(6px);
}

.section-head h2 {
  font-size: clamp(1.9rem, 3.6vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.5px;
  color: #ffffff;
  margin-bottom: 12px;
  text-shadow: 0 2px 10px rgba(15, 23, 42, 0.25);
}

.section-head p {
  color: #e0f2fe;
  font-size: 1.05rem;
  max-width: 650px;
  margin: 0 auto;
  font-weight: 500;
  text-shadow: 0 1px 4px rgba(15, 23, 42, 0.15);
}

/* 核心优势 (3个图文卡片) */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 38px 30px;
  position: relative;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-card);
}

.feature-card:hover {
  transform: translateY(-6px);
  border-color: #93c5fd;
  box-shadow: var(--shadow-hover);
}

.feature-icon {
  width: 58px;
  height: 58px;
  background: #eff6ff;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin-bottom: 22px;
  border: 1px solid #bfdbfe;
}

.feature-card h3 {
  font-size: 1.35rem;
  font-weight: 800;
  color: #0f172a;
  margin-bottom: 12px;
}

.feature-card p {
  font-size: 0.96rem;
  color: #475569;
  line-height: 1.7;
}

/* 流媒体与 AI 支持图卡 */
.unlock-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 22px;
}

.unlock-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 26px;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  box-shadow: var(--shadow-card);
}

.unlock-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
  border-color: #93c5fd;
}

.unlock-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 12px;
}

.unlock-badge {
  font-size: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.unlock-header h4 {
  font-size: 1.2rem;
  font-weight: 800;
  color: #0f172a;
}

.unlock-card p {
  font-size: 0.92rem;
  color: #475569;
  margin-bottom: 16px;
  flex-grow: 1;
}

.unlock-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.unlock-tag {
  font-size: 0.78rem;
  font-weight: 600;
  padding: 4px 10px;
  background: #f1f5f9;
  border: 1px solid #e2e8f0;
  border-radius: 6px;
  color: #1e40af;
}

/* 套餐价格对比表 (所有价格同排展示) */
.pricing-wrapper {
  width: 100%;
  overflow-x: auto;
  padding-bottom: 16px;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  min-width: 920px;
}

.price-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 34px 26px;
  position: relative;
  display: flex;
  flex-direction: column;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-card);
}

.price-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}

.price-card.popular {
  border: 2.5px solid #2563eb;
  box-shadow: 0 16px 36px rgba(15, 23, 42, 0.22);
  transform: scale(1.02);
}

.price-card.popular:hover {
  transform: scale(1.02) translateY(-6px);
}

.popular-badge {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, #f59e0b, #ea580c);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 800;
  padding: 4px 16px;
  border-radius: 999px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  box-shadow: 0 3px 10px rgba(234, 88, 12, 0.4);
}

.price-title {
  font-size: 1.3rem;
  font-weight: 800;
  color: #0f172a;
  margin-bottom: 8px;
}

.price-desc {
  font-size: 0.88rem;
  color: #64748b;
  margin-bottom: 20px;
  min-height: 42px;
}

.price-amount {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid #f1f5f9;
}

.price-currency {
  font-size: 1.35rem;
  font-weight: 800;
  color: #2563eb;
}

.price-val {
  font-size: 2.6rem;
  font-weight: 900;
  color: #0f172a;
  line-height: 1;
}

.price-period {
  font-size: 0.9rem;
  color: #64748b;
  font-weight: 600;
}

.price-features {
  list-style: none;
  margin-bottom: 28px;
  flex-grow: 1;
}

.price-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.92rem;
  color: #334155;
  margin-bottom: 12px;
}

.price-features li svg {
  width: 17px;
  height: 17px;
  fill: #10b981;
  flex-shrink: 0;
}

.price-btn {
  width: 100%;
}

/* 用户真实评价 */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.review-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 28px;
  position: relative;
  box-shadow: var(--shadow-card);
}

.review-stars {
  color: #f59e0b;
  margin-bottom: 12px;
  font-size: 1.05rem;
}

.review-text {
  font-size: 0.95rem;
  color: #334155;
  line-height: 1.65;
  margin-bottom: 20px;
  font-style: italic;
}

.reviewer {
  display: flex;
  align-items: center;
  gap: 12px;
}

.reviewer-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, #2563eb, #38bdf8);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: #fff;
  font-size: 1rem;
}

.reviewer-info h5 {
  font-size: 1rem;
  font-weight: 700;
  color: #0f172a;
}

.reviewer-info span {
  font-size: 0.82rem;
  color: #64748b;
}

/* 常见问题 (FAQ) */
.faq-list {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all 0.2s ease;
  box-shadow: var(--shadow-card);
}

.faq-item:hover {
  border-color: #93c5fd;
}

.faq-question {
  padding: 22px 26px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 700;
  font-size: 1.1rem;
  color: #0f172a;
  list-style: none;
}

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

.faq-icon {
  font-size: 1.3rem;
  font-weight: 800;
  color: #2563eb;
  transition: transform 0.2s ease;
}

details[open] .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  padding: 0 26px 22px;
  font-size: 0.98rem;
  color: #475569;
  line-height: 1.75;
  border-top: 1px solid #f1f5f9;
  padding-top: 14px;
}

/* 博客文章推荐模块 (首页专区) */
.blog-preview-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.blog-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 26px;
  display: flex;
  flex-direction: column;
  transition: all 0.25s ease;
  box-shadow: var(--shadow-card);
}

.blog-card:hover {
  border-color: #93c5fd;
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}

.blog-tag {
  align-self: flex-start;
  font-size: 0.78rem;
  font-weight: 700;
  color: #1d4ed8;
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  padding: 4px 10px;
  border-radius: 6px;
  margin-bottom: 12px;
}

.blog-card h3 {
  font-size: 1.2rem;
  font-weight: 800;
  color: #0f172a;
  margin-bottom: 10px;
  line-height: 1.45;
}

.blog-card h3 a {
  color: #0f172a;
}

.blog-card h3 a:hover {
  color: #2563eb;
}

.blog-card p {
  font-size: 0.92rem;
  color: #64748b;
  line-height: 1.65;
  margin-bottom: 18px;
  flex-grow: 1;
}

.blog-readmore {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.92rem;
  font-weight: 700;
  color: #2563eb;
}

/* CTA横幅 */
.cta-banner {
  background: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: var(--radius-lg);
  padding: 55px 35px;
  text-align: center;
  margin: 60px 0;
  box-shadow: 0 20px 45px rgba(15, 23, 42, 0.22);
}

.cta-banner h2 {
  font-size: 2.2rem;
  font-weight: 900;
  color: #0f172a;
  margin-bottom: 12px;
}

.cta-banner p {
  color: #475569;
  font-size: 1.1rem;
  max-width: 620px;
  margin: 0 auto 26px;
  font-weight: 500;
}

/* 页脚：严格只保留 4 个标题，并在新页面打开 */
.footer {
  margin-top: auto;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(15, 23, 42, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 45px 0 35px;
}

.footer-nav {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 36px;
  flex-wrap: wrap;
  list-style: none;
  margin-bottom: 24px;
}

.footer-nav a {
  color: #cbd5e1;
  font-size: 1.05rem;
  font-weight: 700;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
}

.footer-nav a:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.1);
}

.footer-copy {
  text-align: center;
  color: #94a3b8;
  font-size: 0.88rem;
}

/* 博客文章详情页 & 独立页面排版 (白底浮岛卡片容器) */
.article-header {
  padding: 50px 0 30px;
  text-align: center;
  margin-bottom: 25px;
}

.article-header h1 {
  font-size: clamp(1.9rem, 4vw, 2.7rem);
  font-weight: 900;
  color: #ffffff;
  margin-bottom: 16px;
  line-height: 1.3;
  text-shadow: 0 2px 10px rgba(15, 23, 42, 0.25);
}

.article-meta {
  display: flex;
  justify-content: center;
  gap: 20px;
  color: #e0f2fe;
  font-size: 0.92rem;
  font-weight: 500;
}

.article-content {
  max-width: 860px;
  margin: 0 auto;
  font-size: 1.06rem;
  line-height: 1.85;
  color: #334155;
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: var(--shadow-hover);
  border: 1px solid var(--border-card);
}

.article-content h2 {
  font-size: 1.65rem;
  font-weight: 800;
  color: #0f172a;
  margin: 38px 0 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid #f1f5f9;
}

.article-content h3 {
  font-size: 1.35rem;
  font-weight: 700;
  color: #1e293b;
  margin: 28px 0 12px;
}

.article-content p {
  margin-bottom: 20px;
}

.article-content ul, .article-content ol {
  margin: 0 0 22px 26px;
}

.article-content li {
  margin-bottom: 10px;
}

.article-content blockquote {
  border-left: 4px solid #2563eb;
  padding: 16px 22px;
  background: #eff6ff;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: #1e40af;
  margin: 26px 0;
  font-weight: 500;
}

.article-cta-box {
  background: linear-gradient(135deg, #eff6ff 0%, #e0f2fe 100%);
  border: 1.5px solid #93c5fd;
  border-radius: var(--radius-md);
  padding: 32px;
  text-align: center;
  margin: 45px 0;
}

.article-cta-box h4 {
  font-size: 1.4rem;
  font-weight: 800;
  color: #1e3a8a;
  margin-bottom: 10px;
}

.article-cta-box p {
  font-size: 1rem;
  color: #475569;
  margin-bottom: 20px;
}

.related-posts {
  max-width: 860px;
  margin: 40px auto 50px;
  padding: 30px 40px;
  background: rgba(255, 255, 255, 0.95);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
}

.related-posts h3 {
  font-size: 1.35rem;
  font-weight: 800;
  color: #0f172a;
  margin-bottom: 20px;
}

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

.related-links a {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.98rem;
  font-weight: 600;
  color: #1e40af;
  padding: 10px 16px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
}

.related-links a:hover {
  background: #eff6ff;
  border-color: #93c5fd;
  color: #2563eb;
  transform: translateX(4px);
}

/* 网站地图与关于页面排版 */
.page-header {
  padding: 50px 0 25px;
  text-align: center;
  margin-bottom: 25px;
}

.page-header h1 {
  font-size: 2.3rem;
  font-weight: 900;
  color: #ffffff;
  margin-bottom: 10px;
  text-shadow: 0 2px 10px rgba(15, 23, 42, 0.25);
}

.page-header p {
  color: #e0f2fe;
  font-size: 1.05rem;
  font-weight: 500;
}

.page-content {
  max-width: 920px;
  margin: 0 auto;
  padding-bottom: 60px;
}

.sitemap-group {
  margin-bottom: 32px;
  background: #ffffff;
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 28px;
  box-shadow: var(--shadow-card);
}

.sitemap-group h3 {
  font-size: 1.3rem;
  font-weight: 800;
  color: #1e40af;
  margin-bottom: 18px;
  border-bottom: 2px solid #f1f5f9;
  padding-bottom: 10px;
}

.sitemap-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 14px;
}

.sitemap-list a {
  display: block;
  padding: 10px 14px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-sm);
  color: #334155;
  font-size: 0.95rem;
  font-weight: 600;
  transition: all 0.2s ease;
}

.sitemap-list a:hover {
  background: #eff6ff;
  border-color: #93c5fd;
  color: #2563eb;
  transform: translateY(-2px);
}

/* 响应式媒体查询 */
@media (max-width: 1024px) {
  .features-grid, .reviews-grid, .blog-preview-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    padding: 18px;
  }
  .features-grid, .reviews-grid, .blog-preview-grid {
    grid-template-columns: 1fr;
  }
  .footer-nav {
    gap: 18px;
  }
  .footer-nav a {
    font-size: 0.95rem;
  }
  .pricing-wrapper {
    margin: 0 -20px;
    padding: 0 20px 16px;
    -webkit-overflow-scrolling: touch;
  }
  .article-content {
    padding: 26px 20px;
  }
}