:root {
  --blog-primary: #165dff;
  --blog-primary-dark: #0d47a1;
  --blog-heading: #1d2129;
  --blog-text: #4e5969;
  --blog-muted: #86909c;
  --blog-line: #e8edf5;
  --blog-surface: #ffffff;
  --blog-background: #f6f8fc;
}

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

html {
  scroll-behavior: smooth;
}

body.blog-page {
  min-width: 320px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  color: var(--blog-text);
  background: var(--blog-background);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  line-height: 1.7;
  overflow-wrap: anywhere;
}

.blog-page main {
  flex: 1;
  display: block;
}

.blog-page a {
  color: inherit;
  text-decoration: none;
}

.blog-page img {
  display: block;
  max-width: 100%;
}

.blog-page ul {
  list-style: none;
}

.blog-shell {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.blog-skip-link {
  position: fixed;
  top: 0;
  left: 18px;
  z-index: 1000;
  padding: 10px 16px;
  color: #fff;
  background: var(--blog-primary);
  border-radius: 0 0 8px 8px;
  transform: translateY(-120%);
}

.blog-skip-link:focus {
  transform: translateY(0);
}

.blog-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.97);
  border-bottom: 1px solid rgba(232, 237, 245, 0.9);
  box-shadow: 0 4px 18px rgba(29, 33, 41, 0.05);
  backdrop-filter: blur(12px);
}

.blog-header-inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.blog-brand {
  min-width: max-content;
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 11px;
  color: var(--blog-heading);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.blog-brand img {
  width: 40px;
  height: 40px;
  max-width: none;
  flex: 0 0 40px;
  object-fit: contain;
  border-radius: 9px;
}

.blog-navigation {
  min-width: 0;
  display: flex;
  align-items: center;
}

.blog-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 28px;
  white-space: nowrap;
}

.blog-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  color: #333;
  font-size: 15px;
  font-weight: 500;
  transition: color 0.2s ease, background-color 0.2s ease;
}

.blog-nav a:hover,
.blog-nav a[aria-current="page"] {
  color: var(--blog-primary);
}

.blog-nav .blog-download-link {
  min-height: 38px;
  padding: 0 18px;
  color: #fff;
  background: var(--blog-primary);
  border-radius: 7px;
}

.blog-nav .blog-download-link:hover {
  color: #fff;
  background: var(--blog-primary-dark);
}

.mobile-btn {
  display: none;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  color: var(--blog-heading);
  background: #fff;
  border: 1px solid var(--blog-line);
  border-radius: 8px;
  font: inherit;
  font-size: 22px;
  cursor: pointer;
}

.blog-brand:focus-visible,
.blog-nav a:focus-visible,
.mobile-btn:focus-visible,
.blog-card a:focus-visible,
.blog-footer a:focus-visible,
.blog-back-link:focus-visible {
  outline: 2px solid var(--blog-primary);
  outline-offset: 3px;
}

.blog-hero {
  padding: 68px 0 64px;
  text-align: center;
  background:
    radial-gradient(circle at 18% 20%, rgba(22, 93, 255, 0.13), transparent 32%),
    linear-gradient(135deg, #fff 0%, #eef5ff 100%);
  border-bottom: 1px solid var(--blog-line);
}

.blog-eyebrow {
  margin-bottom: 10px;
  color: var(--blog-primary);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.blog-hero h1 {
  color: var(--blog-heading);
  font-size: clamp(34px, 5vw, 48px);
  line-height: 1.2;
  letter-spacing: -0.035em;
}

.blog-hero p:last-child {
  max-width: 680px;
  margin: 16px auto 0;
  color: var(--blog-text);
  font-size: 16px;
}

.blog-list-section {
  padding: 48px 0 72px;
}

.blog-list {
  display: grid;
  gap: 22px;
}

.blog-card {
  display: grid;
  grid-template-columns: 230px minmax(0, 1fr);
  gap: 28px;
  padding: 22px;
  background: var(--blog-surface);
  border: 1px solid var(--blog-line);
  border-radius: 14px;
  box-shadow: 0 8px 28px rgba(29, 33, 41, 0.045);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.blog-card:hover {
  border-color: #d8e4ff;
  box-shadow: 0 14px 36px rgba(22, 93, 255, 0.09);
  transform: translateY(-2px);
}

.blog-card-image {
  min-height: 150px;
  overflow: hidden;
  display: block;
  background: #eef3ff;
  border-radius: 10px;
}

.blog-card-image img {
  width: 100%;
  height: 100%;
  aspect-ratio: 23 / 15;
  object-fit: cover;
  transition: transform 0.25s ease;
}

.blog-card:hover .blog-card-image img {
  transform: scale(1.025);
}

.blog-card-content {
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.blog-card-content time {
  margin-bottom: 7px;
  color: var(--blog-muted);
  font-size: 13px;
}

.blog-card-content h2 {
  color: var(--blog-heading);
  font-size: 20px;
  line-height: 1.45;
}

.blog-card-content h2 a {
  transition: color 0.2s ease;
}

.blog-card-content h2 a:hover {
  color: var(--blog-primary);
}

.blog-card-content p {
  margin-top: 10px;
  color: var(--blog-text);
  font-size: 14px;
  line-height: 1.8;
}

.blog-read-more {
  margin-top: auto;
  padding-top: 14px;
  color: var(--blog-primary) !important;
  font-size: 14px;
  font-weight: 600;
}

.blog-pages {
  margin-top: 34px;
  text-align: center;
}

.blog-pages ul {
  display: inline-flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}

.blog-pages li,
.blog-pages a,
.blog-pages span {
  min-width: 38px;
  min-height: 38px;
}

.blog-pages a,
.blog-pages span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 11px;
  color: var(--blog-text);
  background: #fff;
  border: 1px solid var(--blog-line);
  border-radius: 7px;
}

.blog-pages .active a,
.blog-pages .active span,
.blog-pages .current {
  color: #fff;
  background: var(--blog-primary);
  border-color: var(--blog-primary);
}

.blog-detail-shell {
  padding: 34px 0 72px;
}

.blog-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  color: var(--blog-muted);
  font-size: 14px;
}

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

.blog-article {
  padding: clamp(28px, 5vw, 58px);
  background: var(--blog-surface);
  border: 1px solid var(--blog-line);
  border-radius: 16px;
  box-shadow: 0 10px 36px rgba(29, 33, 41, 0.055);
}

.blog-article-header {
  margin-bottom: 34px;
  padding-bottom: 24px;
  text-align: center;
  border-bottom: 1px solid var(--blog-line);
}

.blog-article-header h1 {
  color: var(--blog-heading);
  font-size: clamp(28px, 4.5vw, 40px);
  line-height: 1.35;
  letter-spacing: -0.025em;
}

.blog-article-header time {
  display: block;
  margin-top: 14px;
  color: var(--blog-muted);
  font-size: 14px;
}

.blog-article-content {
  color: #3f4652;
  font-size: 16px;
  line-height: 1.9;
  word-break: break-word;
}

.blog-article-content h2,
.blog-article-content h3,
.blog-article-content h4 {
  margin: 1.7em 0 0.75em;
  color: var(--blog-heading);
  line-height: 1.45;
}

.blog-article-content p,
.blog-article-content ul,
.blog-article-content ol,
.blog-article-content blockquote {
  margin: 0 0 1.15em;
}

.blog-article-content ul,
.blog-article-content ol {
  padding-left: 1.5em;
}

.blog-article-content img {
  width: auto;
  height: auto;
  margin: 24px auto;
  border-radius: 10px;
}

.blog-article-content a {
  color: var(--blog-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.blog-article-content table {
  width: 100%;
  margin: 24px 0;
  border-collapse: collapse;
}

.blog-article-content th,
.blog-article-content td {
  padding: 10px 12px;
  border: 1px solid var(--blog-line);
  text-align: left;
}

.blog-article-content pre {
  max-width: 100%;
  margin: 24px 0;
  padding: 18px;
  overflow-x: auto;
  background: #101828;
  border-radius: 9px;
  color: #f5f7fa;
}

.blog-article-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 38px;
  padding-top: 24px;
  border-top: 1px dashed var(--blog-line);
}

.blog-article-nav div:last-child {
  text-align: right;
}

.blog-article-nav a {
  color: var(--blog-primary);
  font-size: 14px;
  font-weight: 600;
}

.blog-back-link {
  display: inline-flex;
  margin-top: 26px;
  color: var(--blog-primary) !important;
  font-size: 15px;
  font-weight: 600;
}

.blog-footer {
  padding: 34px 0;
  color: #aeb5c2;
  background: #1d2129;
}

.blog-footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  text-align: center;
}

.blog-footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: #fff;
  font-weight: 650;
}

.blog-footer-brand img {
  width: 32px;
  height: 32px;
  object-fit: contain;
  border-radius: 7px;
}

.blog-footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px 24px;
}

.blog-footer-links a {
  color: #c9cdd4;
  font-size: 14px;
}

.blog-footer-links a:hover {
  color: #fff;
}

.blog-footer p {
  color: #86909c;
  font-size: 13px;
}

@media (max-width: 960px) {
  .blog-header-inner {
    min-height: 66px;
  }

  .blog-navigation {
    position: relative;
  }

  .mobile-btn {
    display: inline-flex;
  }

  .blog-nav {
    position: absolute;
    top: calc(100% + 13px);
    right: 0;
    z-index: 120;
    min-width: 190px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 10px;
    background: #fff;
    border: 1px solid var(--blog-line);
    border-radius: 10px;
    box-shadow: 0 16px 36px rgba(29, 33, 41, 0.14);
  }

  .blog-nav.is-open {
    display: flex;
  }

  .blog-nav a {
    display: flex;
    min-height: 42px;
    padding: 0 12px;
    border-radius: 7px;
  }

  .blog-nav .blog-download-link {
    min-height: 42px;
    margin: 3px 0;
  }
}

@media (max-width: 700px) {
  .blog-shell {
    width: min(100% - 28px, 1120px);
  }

  .blog-brand {
    font-size: 17px;
  }

  .blog-brand img {
    width: 36px;
    height: 36px;
    flex-basis: 36px;
  }

  .blog-hero {
    padding: 48px 0 44px;
  }

  .blog-list-section {
    padding: 30px 0 50px;
  }

  .blog-card {
    grid-template-columns: 1fr;
    gap: 18px;
    padding: 16px;
  }

  .blog-card-image {
    min-height: 190px;
  }

  .blog-card-content h2 {
    font-size: 18px;
  }

  .blog-detail-shell {
    padding: 22px 0 50px;
  }

  .blog-article {
    padding: 24px 18px;
    border-radius: 12px;
  }

  .blog-article-nav {
    grid-template-columns: 1fr;
  }

  .blog-article-nav div:last-child {
    text-align: left;
  }
}