@import url("deepseek.css");

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

.site-nav-extra {
  display: flex;
  align-items: center;
  gap: 12px;
}

.site-nav-extra a {
  text-decoration: none;
  color: #475569;
  font-size: 14px;
}

.site-nav-extra a:hover {
  color: #4d6bfe;
}

.page-section {
  padding: 60px 20px;
}

.page-section.bg-light {
  background: #f8fafc;
}

.section-heading {
  text-align: center;
  margin-bottom: 36px;
}

.section-heading h2 {
  font-size: 28px;
  color: #1e293b;
  margin-bottom: 10px;
}

.section-heading p {
  color: #64748b;
  font-size: 15px;
}

.features-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  max-width: 1100px;
  margin: 0 auto;
}

.feature-box {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 16px;
  padding: 28px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.feature-box h3 {
  color: #4d6bfe;
  margin-bottom: 12px;
  font-size: 18px;
}

.feature-box p {
  color: #64748b;
  font-size: 14px;
  line-height: 1.7;
}

.article-preview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  max-width: 1100px;
  margin: 0 auto;
}

.article-card {
  background: #fff;
  border-radius: 16px;
  border: 1px solid #e2e8f0;
  padding: 24px;
  transition: box-shadow 0.2s;
}

.article-card:hover {
  box-shadow: 0 8px 24px rgba(77, 107, 254, 0.1);
}

.article-card h3 {
  font-size: 17px;
  margin-bottom: 10px;
}

.article-card h3 a {
  color: #1e293b;
  text-decoration: none;
}

.article-card h3 a:hover {
  color: #4d6bfe;
}

.article-card p {
  color: #64748b;
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: 14px;
}

.article-meta {
  font-size: 13px;
  color: #94a3b8;
}

.update-badge {
  display: inline-block;
  background: #eef2ff;
  color: #4d6bfe;
  font-size: 13px;
  padding: 4px 12px;
  border-radius: 20px;
  margin-left: 8px;
}

.download-hero {
  background: linear-gradient(135deg, #e8f4ff 0%, #c5dff8 50%, #a8cef5 100%);
  padding: 80px 20px 60px;
  text-align: center;
}

.download-hero h1 {
  font-size: 36px;
  color: #1e293b;
  margin-bottom: 14px;
}

.download-hero > .container > p {
  color: #64748b;
  margin-bottom: 40px;
}

.breadcrumb {
  font-size: 13px;
  color: #94a3b8;
  margin-bottom: 20px;
  text-align: left;
}

.breadcrumb a {
  color: #4d6bfe;
  text-decoration: none;
}

.download-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  max-width: 1100px;
  margin: 0 auto;
}

.download-card {
  background: #fff;
  border-radius: 20px;
  padding: 32px 24px;
  text-align: center;
  box-shadow: 0 0 0 1px #f1f5f9, 0 2px 4px rgba(0, 0, 0, 0.05), 0 12px 24px rgba(0, 0, 0, 0.05);
}

.download-card .platform-icon {
  font-size: 40px;
  margin-bottom: 16px;
}

.download-card h3 {
  color: #4d6bfe;
  margin-bottom: 10px;
}

.download-card p {
  color: #64748b;
  font-size: 14px;
  margin-bottom: 12px;
}

.download-card .version {
  font-size: 12px;
  color: #94a3b8;
  margin-bottom: 20px;
}

.btn-download {
  display: inline-block;
  background: #4d6bfe;
  color: #fff;
  text-decoration: none;
  padding: 12px 28px;
  border-radius: 24px;
  font-size: 14px;
  transition: background 0.2s;
}

.btn-download:hover {
  background: #3b57e0;
}

.system-req {
  max-width: 800px;
  margin: 48px auto 0;
  text-align: left;
  background: #fff;
  border-radius: 16px;
  padding: 28px;
  border: 1px solid #e2e8f0;
}

.system-req h3 {
  color: #1e293b;
  margin-bottom: 16px;
}

.system-req ul {
  color: #64748b;
  font-size: 14px;
  line-height: 1.8;
  padding-left: 20px;
}

.article-header {
  background: linear-gradient(135deg, #e8f4ff 0%, #dce8fc 100%);
  padding: 60px 20px 40px;
}

.article-header h1 {
  font-size: 30px;
  color: #1e293b;
  margin-bottom: 16px;
}

.article-body {
  max-width: 760px;
  margin: 0 auto;
  padding: 40px 20px 60px;
  line-height: 1.8;
  color: #334155;
}

.article-body h2 {
  font-size: 22px;
  color: #1e293b;
  margin: 32px 0 14px;
}

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

.article-body ul,
.article-body ol {
  margin: 0 0 16px 24px;
}

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

.article-body a {
  color: #4d6bfe;
}

.daily-tip {
  background: #eef2ff;
  border-left: 4px solid #4d6bfe;
  padding: 14px 18px;
  border-radius: 0 8px 8px 0;
  font-size: 14px;
  color: #475569;
  margin-bottom: 16px;
}

.article-nav {
  display: flex;
  justify-content: space-between;
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid #e2e8f0;
}

.article-nav a {
  color: #4d6bfe;
  text-decoration: none;
  font-size: 14px;
}

.article-list-page {
  padding: 60px 20px;
}

.article-list-item {
  display: block;
  padding: 24px 0;
  border-bottom: 1px solid #e2e8f0;
  text-decoration: none;
}

.article-list-item h3 {
  color: #1e293b;
  font-size: 18px;
  margin-bottom: 8px;
}

.article-list-item p {
  color: #64748b;
  font-size: 14px;
  margin-bottom: 8px;
}

.article-list-item .article-meta {
  font-size: 13px;
  color: #94a3b8;
}

.update-note {
  text-align: center;
  color: #94a3b8;
  font-size: 13px;
  margin-top: 20px;
}

.footer-sitemap-link {
  display: block;
  margin-top: 8px;
  color: #666;
  font-size: 14px;
}

@media (max-width: 768px) {
  .banner {
    padding: 100px 20px;
  }

  .button-container {
    flex-direction: column;
    align-items: center;
  }

  .main-title svg {
    height: 40px;
  }

  .slogan {
    font-size: 22px;
  }

  .site-nav-extra {
    flex-wrap: wrap;
  }
}