/* 账号说明 — 入口卡片 + 侧栏目录 + 双列链接 */
.account-guides-wrap {
  max-width: 1080px;
}

.account-guides-page {
  min-height: auto;
  padding-bottom: 28px;
}

.guide-page-hero {
  text-align: center;
  margin-bottom: 22px;
}

.guide-page-hero h1 {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 8px;
  font-size: clamp(1.25rem, 2.5vw, 1.65rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.guide-page-hero .tagline {
  margin: 0 auto;
  max-width: 520px;
  font-size: var(--font-size-sm);
  line-height: 1.65;
  color: var(--text-secondary);
}

/* —— 顶部平台入口 —— */
.guide-hub-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(168px, 1fr));
  gap: 8px;
  margin-bottom: 24px;
}

.guide-hub-card {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 52px;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--border-primary);
  background: color-mix(in srgb, var(--card-bg-3) 70%, transparent);
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s, background 0.15s, transform 0.15s;
}

.guide-hub-card:hover {
  transform: translateY(-1px);
  border-color: color-mix(in srgb, var(--accent-primary) 35%, transparent);
  background: color-mix(in srgb, var(--accent-primary) 6%, var(--card-bg-3));
}

.guide-hub-card-icon {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-tertiary);
  background: color-mix(in srgb, var(--accent-primary) 8%, transparent);
}

.guide-hub-card-icon img {
  width: 20px;
  height: 20px;
}

.guide-hub-card-text {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.guide-hub-card-title {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.guide-hub-card-meta {
  font-size: 10px;
  color: var(--text-tertiary);
  line-height: 1.3;
}

.guide-hub-card--google .guide-hub-card-icon { background: color-mix(in srgb, var(--google-blue) 12%, transparent); border-color: color-mix(in srgb, var(--google-blue) 24%, transparent); }
.guide-hub-card--apple .guide-hub-card-icon { background: color-mix(in srgb, #737373 12%, transparent); border-color: color-mix(in srgb, #a3a3a3 24%, transparent); }
.guide-hub-card--microsoft .guide-hub-card-icon { background: color-mix(in srgb, #0078d4 12%, transparent); border-color: color-mix(in srgb, #0078d4 24%, transparent); }
.guide-hub-card--meta .guide-hub-card-icon { background: color-mix(in srgb, #1877f2 12%, transparent); border-color: color-mix(in srgb, #1877f2 24%, transparent); }
.guide-hub-card--developer .guide-hub-card-icon { background: color-mix(in srgb, var(--google-green) 12%, transparent); border-color: color-mix(in srgb, var(--google-green) 24%, transparent); }
.guide-hub-card--email .guide-hub-card-icon { background: color-mix(in srgb, var(--google-yellow) 12%, transparent); border-color: color-mix(in srgb, var(--google-yellow) 30%, transparent); }

/* —— 侧栏 + 正文 —— */
.guide-layout {
  display: grid;
  grid-template-columns: 156px minmax(0, 1fr);
  gap: 20px;
  align-items: start;
}

.guide-sidebar {
  position: sticky;
  top: 76px;
}

.guide-toc {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin: 0;
  padding: 0;
  border: none;
}

.guide-toc a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-secondary);
  font-size: 11px;
  font-weight: 600;
  line-height: 1.35;
  text-decoration: none;
  transition: background 0.12s, border-color 0.12s, color 0.12s;
}

.guide-toc a span {
  min-width: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.guide-toc a:hover {
  color: var(--text-primary);
  border-color: var(--border-tertiary);
  background: color-mix(in srgb, var(--accent-primary) 6%, transparent);
}

.guide-toc img {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

.guide-articles {
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-width: 0;
}

/* —— 文章块 —— */
.guide-article {
  border-radius: 14px;
  border: 1px solid var(--border-primary);
  padding: 16px 18px;
  background: linear-gradient(145deg, var(--card-bg-2) 0%, var(--card-bg-3) 100%);
  box-shadow: 0 2px 10px var(--shadow-2);
  scroll-margin-top: 88px;
}

.guide-article--teaser {
  padding: 14px 16px;
}

.guide-article-head {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 0;
}

.guide-article-icon {
  width: 40px;
  height: 40px;
  border-radius: 11px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border: 1px solid var(--border-tertiary);
  background: color-mix(in srgb, var(--accent-primary) 8%, transparent);
}

.guide-article-icon img {
  width: 22px;
  height: 22px;
}

.guide-article-head-text {
  flex: 1;
  min-width: 0;
}

.guide-article-head h2 {
  margin: 0 0 4px;
  font-size: 15px;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.3;
}

.guide-article-intro {
  margin: 0;
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.guide-teaser-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--border-tertiary);
}

.guide-teaser-stat {
  font-size: 11px;
  color: var(--text-tertiary);
}

.guide-teaser-btn {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  text-decoration: none;
  border: 1px solid color-mix(in srgb, var(--accent-primary) 28%, transparent);
  background: color-mix(in srgb, var(--accent-primary) 10%, transparent);
  color: var(--accent-primary);
  transition: transform 0.12s, background 0.12s;
}

.guide-teaser-btn:hover {
  transform: translateY(-1px);
  background: color-mix(in srgb, var(--accent-primary) 16%, transparent);
}

/* —— 说明卡片 —— */
.guide-sections {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 8px;
  margin: 14px 0 0;
}

.guide-section {
  padding: 12px 14px;
  border-radius: 11px;
  border: 1px solid var(--border-tertiary);
  background: color-mix(in srgb, var(--card-bg-4) 55%, transparent);
}

.guide-section h2,
.guide-section h3 {
  margin: 0 0 6px;
  font-size: 12px;
  font-weight: 800;
  color: var(--text-primary);
}

.guide-section p {
  margin: 0;
  font-size: 11.5px;
  line-height: 1.55;
  color: var(--text-secondary);
}

/* —— 官方链接双列 —— */
.guide-link-list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.guide-link-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 10px 12px;
  border-radius: 11px;
  border: 1px solid var(--border-tertiary);
  background: color-mix(in srgb, var(--card-bg-4) 50%, transparent);
  transition: border-color 0.15s, background 0.15s;
}

.guide-link-item:hover {
  border-color: color-mix(in srgb, var(--accent-primary) 32%, transparent);
  background: color-mix(in srgb, var(--accent-primary) 5%, transparent);
}

.guide-link-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
}

.guide-link-label {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.35;
}

.guide-link-desc {
  font-size: 11px;
  color: var(--text-tertiary);
  line-height: 1.45;
}

.guide-link-action {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 4px 9px;
  border-radius: 999px;
  font-size: 10px;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
  border: 1px solid transparent;
  transition: transform 0.12s;
}

.guide-link-action:hover {
  transform: translateY(-1px);
}

.guide-article--google .guide-article-icon,
.guide-article--google .guide-teaser-btn { --guide-accent: var(--google-blue); }
.guide-article--google .guide-article-icon { background: color-mix(in srgb, var(--google-blue) 14%, transparent); border-color: color-mix(in srgb, var(--google-blue) 28%, transparent); }
.guide-article--google .guide-link-action { background: color-mix(in srgb, var(--google-blue) 14%, transparent); color: var(--google-blue); border-color: color-mix(in srgb, var(--google-blue) 28%, transparent); }
.guide-article--google .guide-teaser-btn { color: var(--google-blue); border-color: color-mix(in srgb, var(--google-blue) 30%, transparent); background: color-mix(in srgb, var(--google-blue) 10%, transparent); }

.guide-article--apple .guide-article-icon { background: color-mix(in srgb, #737373 14%, transparent); border-color: color-mix(in srgb, #a3a3a3 28%, transparent); }
.guide-article--apple .guide-link-action { background: color-mix(in srgb, #737373 14%, transparent); color: #d4d4d4; border-color: color-mix(in srgb, #a3a3a3 28%, transparent); }
.guide-article--apple .guide-teaser-btn { color: #a3a3a3; border-color: color-mix(in srgb, #a3a3a3 30%, transparent); background: color-mix(in srgb, #737373 10%, transparent); }

.guide-article--microsoft .guide-article-icon { background: color-mix(in srgb, #0078d4 14%, transparent); border-color: color-mix(in srgb, #0078d4 28%, transparent); }
.guide-article--microsoft .guide-link-action { background: color-mix(in srgb, #0078d4 14%, transparent); color: #60a5fa; border-color: color-mix(in srgb, #0078d4 28%, transparent); }

.guide-article--meta .guide-article-icon { background: color-mix(in srgb, #1877f2 14%, transparent); border-color: color-mix(in srgb, #1877f2 28%, transparent); }
.guide-article--meta .guide-link-action { background: color-mix(in srgb, #1877f2 14%, transparent); color: #93c5fd; border-color: color-mix(in srgb, #1877f2 28%, transparent); }

.guide-article--developer .guide-article-icon { background: color-mix(in srgb, var(--google-green) 14%, transparent); border-color: color-mix(in srgb, var(--google-green) 28%, transparent); }
.guide-article--developer .guide-link-action { background: color-mix(in srgb, var(--google-green) 14%, transparent); color: var(--google-green); border-color: color-mix(in srgb, var(--google-green) 28%, transparent); }

.guide-article--email .guide-article-icon { background: color-mix(in srgb, var(--google-yellow) 14%, transparent); border-color: color-mix(in srgb, var(--google-yellow) 32%, transparent); }
.guide-article--email .guide-link-action { background: color-mix(in srgb, var(--google-yellow) 14%, transparent); color: var(--google-yellow-dark, #ca8a04); border-color: color-mix(in srgb, var(--google-yellow) 32%, transparent); }

[data-theme="light"] .guide-article--apple .guide-link-action,
.theme-light .guide-article--apple .guide-link-action { color: #525252; }

.guide-back {
  margin: 0 0 16px;
  font-size: 0.9rem;
}

.guide-back a {
  color: var(--text-secondary);
  text-decoration: none;
}

.guide-back a:hover {
  color: var(--accent-primary);
}

.guide-tip {
  margin-top: 20px;
  padding: 12px 14px;
  border-radius: 11px;
  border: 1px dashed color-mix(in srgb, var(--google-yellow) 45%, transparent);
  background: color-mix(in srgb, var(--google-yellow) 8%, transparent);
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.6;
}

@media (max-width: 900px) {
  .guide-layout {
    grid-template-columns: 1fr;
  }

  .guide-sidebar {
    position: static;
  }

  .guide-toc {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 6px;
    padding-bottom: 4px;
  }

  .guide-toc a {
    flex: 0 1 auto;
    max-width: 100%;
    padding: 6px 10px;
    border-radius: 999px;
    border: 1px solid var(--border-tertiary);
    background: color-mix(in srgb, var(--card-bg-3) 60%, transparent);
  }

  .guide-toc a span {
    -webkit-line-clamp: 1;
    white-space: nowrap;
  }
}

@media (max-width: 640px) {
  .guide-hub-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .guide-hub-card-title {
    white-space: normal;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .guide-link-list,
  .guide-sections {
    grid-template-columns: 1fr;
  }

  .guide-teaser-foot {
    flex-direction: column;
    align-items: flex-start;
  }
}