/* ==========================================================================
   DongVPS Clean Tech - Main Stylesheet
   Specification: Google Stitch DESIGN.md Standard
   ========================================================================== */

/* --- 1. Base Reset & Box Sizing --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body.dq-body {
  font-family: var(--dq-font-sans);
  background-color: var(--dq-canvas);
  color: var(--dq-ink-secondary);
  line-height: 1.65;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  position: relative;
  background-image: radial-gradient(rgba(15, 23, 42, 0.04) 1px, transparent 1px);
  background-size: 24px 24px;
}

a {
  color: inherit;
  text-decoration: none;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

button, input {
  font-family: inherit;
}

/* --- 2. Container & Layout Grid --- */
.dq-container {
  width: 100%;
  max-width: var(--dq-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.dq-main-content {
  flex: 1;
  padding-top: 28px;
  padding-bottom: 72px;
}

.dq-layout-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 32px;
  align-items: start;
}

/* --- 3. Sticky Glass Header --- */
.dq-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--dq-hairline);
  box-shadow: var(--dq-shadow-nav);
  transition: all 0.25s ease;
}

/* 顶层主栏 (Logo + 副标题 + 搜索 + 社交) */
.dq-header-main {
  border-bottom: 1px solid rgba(226, 232, 240, 0.7);
}

.dq-header-main-inner {
  height: 62px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.dq-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  height: 40px;
}

.dq-custom-logo-wrap {
  display: inline-flex;
  align-items: center;
  height: 38px;
  max-height: 38px;
  flex-shrink: 0;
}

.dq-custom-logo-wrap .custom-logo-link {
  display: inline-flex;
  align-items: center;
  height: 38px;
  max-height: 38px;
  line-height: 1;
  text-decoration: none;
}

/* 强制锁定用户上传的 Logo 高度，防止任何大图撑破顶部导航 */
.dq-custom-logo-wrap img.custom-logo,
.dq-brand img.custom-logo,
.dq-header img.custom-logo,
img.custom-logo {
  height: 38px !important;
  max-height: 38px !important;
  width: auto !important;
  max-width: 220px !important;
  display: block !important;
  object-fit: contain !important;
  transition: transform var(--dq-transition);
}

.dq-custom-logo-wrap .custom-logo-link:hover img.custom-logo {
  transform: scale(1.02);
}

.dq-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 20px;
  color: var(--dq-ink-primary);
  letter-spacing: -0.025em;
  white-space: nowrap;
}

.dq-logo-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--dq-radius-md);
  background: var(--dq-accent-gradient);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.28);
  flex-shrink: 0;
}

.dq-brand-badge {
  font-size: 12px;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: var(--dq-radius-pill);
  background: var(--dq-primary-light);
  color: var(--dq-primary);
  border: 1px solid var(--dq-primary-border);
  letter-spacing: 0.02em;
  white-space: nowrap;
}

/* Header Actions */
.dq-header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

/* 底层独立菜单行 (Navigation Bar: 独占一行，空间充裕大气) */
.dq-header-nav-bar {
  background: rgba(255, 255, 255, 0.55);
}

.dq-header-nav-inner {
  height: 44px;
  display: flex;
  align-items: center;
  overflow-x: auto;
  scrollbar-width: none;
}

.dq-header-nav-inner::-webkit-scrollbar {
  display: none;
}

.dq-nav-desktop {
  display: flex;
  align-items: center;
  width: 100%;
}

.dq-nav-list {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 6px;
  margin: 0;
  padding: 0;
  white-space: nowrap;
}

.dq-nav-list li a {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  font-size: 14px;
  font-weight: 500;
  color: var(--dq-ink-secondary);
  border-radius: var(--dq-radius-pill);
  transition: all var(--dq-transition);
}

.dq-nav-list li a:hover,
.dq-nav-list li.current-menu-item a {
  color: var(--dq-primary);
  background: var(--dq-primary-light);
  font-weight: 600;
}

.dq-search-trigger {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--dq-canvas);
  border: 1px solid var(--dq-hairline);
  padding: 6px 12px;
  border-radius: var(--dq-radius-pill);
  color: var(--dq-ink-muted);
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 13px;
}

.dq-search-trigger:hover {
  border-color: var(--dq-primary-border);
  background: #FFFFFF;
  color: var(--dq-ink-primary);
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.04);
}

.dq-kbd {
  font-size: 11px;
  font-family: var(--dq-font-mono);
  background: #FFFFFF;
  border: 1px solid var(--dq-divider);
  padding: 1px 6px;
  border-radius: 4px;
  box-shadow: 0 1px 2px rgba(0,0,0,0.05);
}

.dq-social-group {
  display: flex;
  align-items: center;
  gap: 6px;
}

.dq-social-btn {
  width: 36px;
  height: 36px;
  border-radius: var(--dq-radius-pill);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--dq-ink-muted);
  background: var(--dq-canvas);
  border: 1px solid var(--dq-hairline);
}

.dq-social-btn:hover {
  color: var(--dq-primary);
  background: #FFFFFF;
  border-color: var(--dq-primary-border);
  transform: translateY(-1px);
}

.dq-mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  flex-direction: column;
  gap: 5px;
}

.dq-mobile-toggle span {
  width: 20px;
  height: 2px;
  background: var(--dq-ink-primary);
  border-radius: 2px;
  transition: 0.2s;
}

.dq-mobile-drawer {
  display: none;
}

/* WordPress Admin Bar Compatibility */
body.admin-bar .dq-header {
  top: 32px;
}
@media (max-width: 782px) {
  body.admin-bar .dq-header {
    top: 46px;
  }
}

/* --- 4. Hero: 1+5 Featured Grid (左1重磅技术焦点 + 右5索引精选) --- */
.dq-featured-section {
  margin-bottom: 32px;
}

.dq-featured-grid {
  display: grid;
  grid-template-columns: 1.32fr 1fr;
  gap: 20px;
  align-items: stretch;
}

/* 左侧主头条 (Lead Card) */
.dq-lead-card {
  position: relative;
  border-radius: var(--dq-radius-lg);
  overflow: hidden;
  background: var(--dq-surface);
  border: 1px solid var(--dq-hairline);
  box-shadow: var(--dq-shadow-card);
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: transform var(--dq-transition), box-shadow var(--dq-transition);
}

.dq-lead-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--dq-shadow-hover);
  border-color: var(--dq-primary-border);
}

.dq-lead-thumb-wrap {
  position: relative;
  width: 100%;
  height: 290px;
  overflow: hidden;
  background: var(--dq-canvas-subtle);
  flex-shrink: 0;
}

.dq-lead-thumb-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.dq-lead-card:hover .dq-lead-thumb-wrap img {
  transform: scale(1.03);
}

.dq-lead-flag {
  position: absolute;
  top: 14px;
  left: 14px;
  background: var(--dq-accent-gradient);
  color: #FFFFFF;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: var(--dq-radius-pill);
  letter-spacing: 0.05em;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
}

.dq-lead-body {
  padding: 20px 22px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.dq-lead-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 12.5px;
  color: var(--dq-ink-muted);
  margin-bottom: 10px;
}

.dq-lead-title {
  font-size: 22px;
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 10px;
  letter-spacing: -0.015em;
}

.dq-lead-title a {
  color: var(--dq-ink-primary);
}

.dq-lead-title a:hover {
  color: var(--dq-primary);
}

.dq-lead-excerpt {
  font-size: 14px;
  color: var(--dq-ink-secondary);
  line-height: 1.6;
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* 右侧 5 篇纵向精选焦点 (Sub List 01-05) */
.dq-sub-list {
  display: flex;
  flex-direction: column;
  gap: 9px;
  height: 100%;
  justify-content: space-between;
}

.dq-sub-card {
  background: var(--dq-surface);
  border: 1px solid var(--dq-hairline);
  border-radius: var(--dq-radius-md);
  padding: 9px 12px;
  display: grid;
  grid-template-columns: 28px 1fr 82px;
  gap: 12px;
  align-items: center;
  box-shadow: var(--dq-shadow-sm);
  transition: all var(--dq-transition);
}

.dq-sub-card:hover {
  border-color: var(--dq-primary-border);
  box-shadow: var(--dq-shadow-card);
  transform: translateX(3px);
}

.dq-sub-index {
  font-family: var(--dq-font-mono);
  font-size: 16px;
  font-weight: 700;
  color: var(--dq-primary);
  opacity: 0.9;
  text-align: center;
}

.dq-sub-content {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}

.dq-sub-meta {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: var(--dq-ink-muted);
}

.dq-sub-title {
  font-size: 13.5px;
  font-weight: 600;
  line-height: 1.35;
  color: var(--dq-ink-primary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.dq-sub-title a:hover {
  color: var(--dq-primary);
}

.dq-sub-thumb {
  width: 82px;
  height: 54px;
  border-radius: var(--dq-radius-sm);
  overflow: hidden;
  background: var(--dq-canvas-subtle);
  flex-shrink: 0;
}

.dq-sub-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.dq-featured-title a:hover {
  color: var(--dq-primary);
}

/* --- 5. Category Pills Filter Bar --- */
.dq-filter-bar {
  margin-bottom: 32px;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.dq-filter-bar::-webkit-scrollbar {
  display: none;
}

.dq-filter-pills {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 2px;
}

.dq-filter-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: #FFFFFF;
  border: 1px solid var(--dq-hairline);
  border-radius: var(--dq-radius-pill);
  font-size: 13px;
  font-weight: 500;
  color: var(--dq-ink-secondary);
  white-space: nowrap;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.03);
}

.dq-filter-pill:hover {
  border-color: var(--dq-primary-border);
  color: var(--dq-primary);
  background: var(--dq-surface-hover);
}

.dq-filter-pill.active {
  background: var(--dq-ink-primary);
  color: #FFFFFF;
  border-color: var(--dq-ink-primary);
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.15);
}

.dq-pill-count {
  font-size: 11px;
  padding: 1px 6px;
  border-radius: var(--dq-radius-pill);
  background: rgba(15, 23, 42, 0.06);
  color: inherit;
}

.dq-filter-pill.active .dq-pill-count {
  background: rgba(255, 255, 255, 0.2);
}

/* --- 6. Section Header --- */
.dq-section-header {
  margin-bottom: 24px;
}

.dq-section-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  color: var(--dq-ink-primary);
  letter-spacing: -0.02em;
  margin-bottom: 4px;
}

.dq-section-title svg {
  color: var(--dq-primary);
}

.dq-section-subtitle {
  font-size: 13px;
  color: var(--dq-ink-muted);
}

/* --- 7. Main Post Feed & Cards --- */
.dq-post-feed {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.dq-card-article {
  background: var(--dq-surface);
  border: 1px solid var(--dq-hairline);
  border-radius: var(--dq-radius-lg);
  padding: 24px;
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 24px;
  box-shadow: var(--dq-shadow-card);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.dq-card-article:hover {
  border-color: var(--dq-primary-border);
  box-shadow: var(--dq-shadow-hover);
  transform: translateY(-2px);
}

.dq-card-thumb {
  width: 100%;
  height: 165px;
  border-radius: var(--dq-radius-md);
  overflow: hidden;
  background: var(--dq-canvas-subtle);
}

.dq-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.dq-card-article:hover .dq-card-thumb img {
  transform: scale(1.03);
}

.dq-card-body {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.dq-card-meta-top {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 12px;
  color: var(--dq-ink-subtle);
  margin-bottom: 10px;
}

/* 置顶文章科技感勋章 */
.dq-badge-sticky {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  font-size: 11px;
  font-weight: 700;
  border-radius: var(--dq-radius-pill);
  background: linear-gradient(135deg, #f59e0b 0%, #ea580c 100%);
  color: #FFFFFF;
  box-shadow: 0 2px 6px rgba(234, 88, 12, 0.28);
  letter-spacing: 0.02em;
  line-height: 1.4;
}

.dq-card-article.dq-card-is-sticky {
  border-color: rgba(245, 158, 11, 0.4);
  background: linear-gradient(180deg, rgba(254, 243, 199, 0.15) 0%, var(--dq-surface) 100%);
}

.dq-card-article.dq-card-is-sticky:hover {
  border-color: rgba(245, 158, 11, 0.7);
  box-shadow: 0 8px 24px rgba(245, 158, 11, 0.15);
}

.dq-card-date, .dq-card-views, .dq-card-reading-time {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.dq-card-views svg {
  color: var(--dq-primary);
}

.dq-card-title {
  font-size: 20px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: -0.02em;
  margin-bottom: 10px;
}

.dq-card-title a {
  color: var(--dq-ink-primary);
}

.dq-card-title a:hover {
  color: var(--dq-primary);
}

.dq-card-excerpt {
  font-size: 14px;
  color: var(--dq-ink-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
}

.dq-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid var(--dq-hairline);
  font-size: 13px;
}

.dq-card-author {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--dq-ink-muted);
}

.dq-author-avatar {
  width: 24px;
  height: 24px;
  border-radius: var(--dq-radius-pill);
  background: var(--dq-canvas-subtle);
  color: var(--dq-ink-muted);
  display: flex;
  align-items: center;
  justify-content: center;
}

.dq-card-arrow-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--dq-primary);
  font-weight: 600;
}

.dq-card-arrow-link:hover {
  color: var(--dq-primary-hover);
  transform: translateX(3px);
}

/* Category Semantic Badges */
.dq-badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: var(--dq-radius-pill);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.badge-default { background: #F1F5F9; color: #475569; border: 1px solid #CBD5E1; }
.badge-ai { background: #EEF2FF; color: #4F46E5; border: 1px solid #C7D2FE; }
.badge-portdeck { background: #ECFDF5; color: #059669; border: 1px solid #A7F3D0; }
.badge-nas { background: #EFF6FF; color: #2563EB; border: 1px solid #BFDBFE; }
.badge-os { background: #FFF7ED; color: #EA580C; border: 1px solid #FFEDD5; }
.badge-vps { background: #FEF3C7; color: #D97706; border: 1px solid #FDE68A; }
.badge-tech { background: #F0FDFA; color: #0D9488; border: 1px solid #CCFBF1; }

/* --- 8. Sidebar Widgets --- */
.dq-sidebar-sticky {
  position: sticky;
  top: 96px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.dq-widget {
  background: var(--dq-surface);
  border: 1px solid var(--dq-hairline);
  border-radius: var(--dq-radius-lg);
  padding: 24px;
  box-shadow: var(--dq-shadow-card);
}

.dq-widget-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--dq-ink-primary);
  letter-spacing: -0.01em;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Profile Widget */
.dq-profile-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
}

.dq-profile-avatar-inner {
  width: 52px;
  height: 52px;
  border-radius: var(--dq-radius-lg);
  background: var(--dq-accent-gradient);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 16px rgba(99, 102, 241, 0.3);
}

.dq-profile-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--dq-ink-primary);
}

.dq-profile-motto {
  font-size: 12px;
  font-weight: 600;
  color: var(--dq-primary);
}

.dq-profile-bio {
  font-size: 13px;
  color: var(--dq-ink-secondary);
  line-height: 1.6;
  margin-bottom: 18px;
}

.dq-profile-links {
  display: flex;
  gap: 8px;
}

.dq-profile-social-btn {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px;
  border-radius: var(--dq-radius-pill);
  font-size: 12px;
  font-weight: 600;
  background: var(--dq-canvas);
  border: 1px solid var(--dq-hairline);
  color: var(--dq-ink-primary);
}

.dq-profile-social-btn:hover {
  background: #FFFFFF;
  border-color: var(--dq-primary);
  color: var(--dq-primary);
}

/* Product Recommendation Card (PortDeck) */
.dq-widget-product {
  background: linear-gradient(145deg, #0F172A 0%, #1E293B 100%);
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.1);
  position: relative;
  overflow: hidden;
}

.dq-widget-product::after {
  content: '';
  position: absolute;
  top: -40px;
  right: -40px;
  width: 140px;
  height: 140px;
  background: radial-gradient(circle, rgba(14, 165, 233, 0.35) 0%, transparent 70%);
  pointer-events: none;
}

.dq-product-badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 2px 8px;
  border-radius: var(--dq-radius-pill);
  background: rgba(14, 165, 233, 0.2);
  color: #38BDF8;
  border: 1px solid rgba(56, 189, 248, 0.3);
  margin-bottom: 12px;
}

.dq-product-title {
  font-size: 18px;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 8px;
}

.dq-product-desc {
  font-size: 13px;
  color: #94A3B8;
  line-height: 1.55;
  margin-bottom: 16px;
}

.dq-product-features {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
  font-size: 11px;
  color: #CBD5E1;
}

.dq-product-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: var(--dq-radius-pill);
  background: var(--dq-cyan-gradient);
  color: #FFFFFF;
  font-size: 13px;
  font-weight: 600;
  box-shadow: 0 4px 14px rgba(14, 165, 233, 0.3);
}

.dq-product-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(14, 165, 233, 0.45);
}

/* Tag Cloud Pills */
.dq-tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.dq-tag-pill {
  display: inline-block;
  padding: 4px 10px;
  border-radius: var(--dq-radius-pill);
  background: var(--dq-canvas);
  border: 1px solid var(--dq-hairline);
  font-size: 12px;
  color: var(--dq-ink-secondary);
}

.dq-tag-pill:hover {
  background: #FFFFFF;
  border-color: var(--dq-primary-border);
  color: var(--dq-primary);
  transform: translateY(-1px);
}

/* --- 9. Pagination --- */
.dq-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-top: 36px;
}

.dq-pagination .page-numbers {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 38px;
  height: 38px;
  padding: 0 12px;
  border-radius: var(--dq-radius-md);
  background: #FFFFFF;
  border: 1px solid var(--dq-hairline);
  font-size: 14px;
  font-weight: 500;
  color: var(--dq-ink-secondary);
  box-shadow: 0 1px 2px rgba(0,0,0,0.03);
}

.dq-pagination .page-numbers:hover {
  border-color: var(--dq-primary-border);
  color: var(--dq-primary);
}

.dq-pagination .page-numbers.current {
  background: var(--dq-ink-primary);
  color: #FFFFFF;
  border-color: var(--dq-ink-primary);
  font-weight: 600;
}

/* --- 10. Single Article Page --- */
.dq-single-main {
  padding-top: 32px;
  padding-bottom: 80px;
}

.dq-article-hero {
  margin-bottom: 28px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--dq-hairline);
  text-align: left;
}

.dq-article-meta-header {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 13px;
  color: var(--dq-ink-muted);
  margin-bottom: 16px;
  text-align: left;
}

.dq-article-views {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--dq-ink-secondary);
  font-weight: 500;
}

.dq-article-views svg {
  color: var(--dq-primary);
}

.dq-dot-divider {
  color: var(--dq-divider);
}

.dq-article-title {
  font-size: 34px;
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.025em;
  color: var(--dq-ink-primary);
  margin-bottom: 20px;
}

.dq-article-author-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--dq-hairline);
}

.dq-article-author-info {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  color: var(--dq-ink-primary);
  font-size: 14px;
}

.dq-author-badge-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--dq-radius-pill);
  background: var(--dq-primary-light);
  color: var(--dq-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.dq-article-banner-wrap {
  margin-bottom: 40px;
}

.dq-article-banner {
  border-radius: var(--dq-radius-xl);
  overflow: hidden;
  box-shadow: var(--dq-shadow-card);
  max-height: 480px;
  border: 1px solid var(--dq-hairline);
}

.dq-article-banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Single Article Layout with Sticky TOC */
.dq-article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 48px;
  align-items: start;
}

/* Breadcrumb (面包屑导航) */
.dq-breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 13px;
  color: var(--dq-ink-muted);
  margin-bottom: 20px;
}

.dq-breadcrumb a {
  color: var(--dq-ink-muted);
}

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

.dq-breadcrumb-sep {
  color: var(--dq-divider);
}

.dq-breadcrumb-current {
  color: var(--dq-ink-secondary);
  font-weight: 500;
}

.dq-article-content-col {
  max-width: var(--dq-reading-width);
}

.dq-article-body {
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--dq-ink-secondary);
}

/* 首字下沉排版 (Drop Cap) */
.dq-article-body > p:first-of-type::first-letter {
  font-size: 3.2em;
  float: left;
  line-height: 0.82;
  margin-right: 10px;
  margin-top: 4px;
  color: var(--dq-primary);
  font-weight: 800;
}

.dq-article-body p {
  margin-bottom: 1.6em;
}

.dq-article-body .lead {
  font-size: 18px;
  line-height: 1.7;
  color: var(--dq-ink-primary);
  font-weight: 500;
  border-left: 3px solid var(--dq-primary);
  padding-left: 16px;
  margin-bottom: 2em;
}

.dq-article-body h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--dq-ink-primary);
  letter-spacing: -0.02em;
  margin-top: 2.2em;
  margin-bottom: 0.8em;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--dq-hairline);
  scroll-margin-top: 100px;
}

.dq-article-body h3 {
  font-size: 19px;
  font-weight: 600;
  color: var(--dq-ink-primary);
  letter-spacing: -0.015em;
  margin-top: 1.8em;
  margin-bottom: 0.6em;
  scroll-margin-top: 100px;
}

.dq-article-body ul, .dq-article-body ol {
  margin-bottom: 1.6em;
  padding-left: 24px;
}

.dq-article-body li {
  margin-bottom: 0.5em;
}

.dq-article-body blockquote {
  margin: 1.8em 0;
  padding: 16px 20px;
  background: var(--dq-primary-light);
  border-left: 4px solid var(--dq-primary);
  border-radius: 0 var(--dq-radius-md) var(--dq-radius-md) 0;
  color: var(--dq-ink-primary);
  font-style: normal;
}

/* Code Blocks & Terminal Container */
.dq-article-body pre {
  margin: 1.8em 0;
  background: var(--dq-surface-dark);
  border-radius: var(--dq-radius-lg);
  padding: 20px;
  overflow-x: auto;
  position: relative;
  box-shadow: var(--dq-shadow-card);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.dq-article-body code {
  font-family: var(--dq-font-mono);
  font-size: 14px;
  line-height: 1.6;
}

.dq-article-body pre code {
  color: #E2E8F0;
  background: none;
  padding: 0;
}

.dq-article-body :not(pre) > code {
  background: #F1F5F9;
  color: var(--dq-primary);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 13.5px;
  border: 1px solid var(--dq-divider);
}

/* Copy Code Button */
.dq-code-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.dq-code-dots {
  display: flex;
  gap: 6px;
}

.dq-code-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.dq-code-dot.red { background: #EF4444; }
.dq-code-dot.yellow { background: #F59E0B; }
.dq-code-dot.green { background: #10B981; }

.dq-copy-btn {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #94A3B8;
  font-size: 11px;
  font-weight: 500;
  padding: 2px 8px;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s;
}

.dq-copy-btn:hover {
  background: var(--dq-primary);
  color: #FFFFFF;
}

/* Tables in Article */
.dq-article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.8em 0;
  font-size: 14.5px;
  background: #FFFFFF;
  border-radius: var(--dq-radius-md);
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
  border: 1px solid var(--dq-hairline);
}

.dq-article-body th, .dq-article-body td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--dq-hairline);
  text-align: left;
}

.dq-article-body th {
  background: var(--dq-canvas-subtle);
  font-weight: 600;
  color: var(--dq-ink-primary);
}

.dq-article-body tr:hover td {
  background: var(--dq-surface-hover);
}

/* Article Tags */
.dq-article-tags-wrap {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 36px;
  padding-top: 24px;
  border-top: 1px solid var(--dq-hairline);
}

.dq-tags-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--dq-ink-muted);
}

.dq-tags-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

/* Copyright Card */
.dq-copyright-card {
  margin: 32px 0;
  background: #FFFFFF;
  border: 1px solid var(--dq-hairline);
  border-radius: var(--dq-radius-lg);
  padding: 20px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
  box-shadow: var(--dq-shadow-card);
}

.dq-copyright-icon svg {
  color: var(--dq-primary);
}

.dq-copyright-text {
  font-size: 13px;
  line-height: 1.6;
}

.dq-copyright-sub {
  color: var(--dq-ink-muted);
  margin-top: 4px;
}

/* Post Navigation (Prev/Next) */
.dq-post-nav-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 36px 0;
}

.dq-post-nav-item {
  background: #FFFFFF;
  border: 1px solid var(--dq-hairline);
  border-radius: var(--dq-radius-lg);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  box-shadow: var(--dq-shadow-card);
}

.dq-post-nav-item:hover {
  border-color: var(--dq-primary-border);
}

.dq-nav-dir {
  font-size: 11px;
  font-weight: 600;
  color: var(--dq-ink-muted);
}

.dq-nav-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--dq-ink-primary);
}

.dq-nav-title:hover {
  color: var(--dq-primary);
}

/* Related Posts */
.dq-related-posts-section {
  margin-top: 40px;
}

.dq-related-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--dq-ink-primary);
  margin-bottom: 16px;
}

.dq-related-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.dq-related-card {
  background: #FFFFFF;
  border: 1px solid var(--dq-hairline);
  border-radius: var(--dq-radius-md);
  overflow: hidden;
  box-shadow: var(--dq-shadow-card);
}

.dq-related-thumb-link {
  display: block;
  height: 120px;
  overflow: hidden;
}

.dq-related-thumb-link img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.dq-related-card-body {
  padding: 14px;
}

.dq-related-card-body h4 {
  font-size: 14px;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 6px;
}

.dq-related-date {
  font-size: 11px;
  color: var(--dq-ink-subtle);
}

/* Sticky TOC (Table of Contents) */
.dq-toc-sticky {
  position: sticky;
  top: 96px;
  background: #FFFFFF;
  border: 1px solid var(--dq-hairline);
  border-radius: var(--dq-radius-lg);
  padding: 20px;
  box-shadow: var(--dq-shadow-card);
}

.dq-toc-header {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 700;
  color: var(--dq-ink-primary);
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--dq-hairline);
}

.dq-toc-header svg {
  color: var(--dq-primary);
}

.dq-toc-nav ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.dq-toc-nav li a {
  display: block;
  font-size: 13px;
  color: var(--dq-ink-secondary);
  line-height: 1.4;
  border-left: 2px solid transparent;
  padding-left: 8px;
  transition: all 0.2s ease;
}

.dq-toc-nav li a:hover,
.dq-toc-nav li a.active {
  color: var(--dq-primary);
  border-left-color: var(--dq-primary);
  font-weight: 600;
}

.dq-toc-nav li.toc-h3 a {
  padding-left: 18px;
  font-size: 12px;
  color: var(--dq-ink-muted);
}

/* --- 11. Archive & Search Header --- */
.dq-archive-header {
  margin-bottom: 32px;
}

.dq-archive-header-card {
  background: #FFFFFF;
  border: 1px solid var(--dq-hairline);
  border-radius: var(--dq-radius-xl);
  padding: 36px;
  box-shadow: var(--dq-shadow-card);
}

.dq-archive-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.05em;
  padding: 3px 10px;
  border-radius: var(--dq-radius-pill);
  background: var(--dq-primary-light);
  color: var(--dq-primary);
  margin-bottom: 12px;
}

.dq-archive-title {
  font-size: 28px;
  font-weight: 800;
  color: var(--dq-ink-primary);
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.dq-archive-desc {
  font-size: 15px;
  color: var(--dq-ink-muted);
}

/* --- 12. Modern Footer --- */
.dq-footer {
  background: #FFFFFF;
  border-top: 1px solid var(--dq-hairline);
  padding-top: 56px;
  padding-bottom: 32px;
  margin-top: auto;
}

.dq-footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 36px;
  margin-bottom: 48px;
}

.dq-footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.dq-footer-brand-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--dq-ink-primary);
}

.dq-footer-brand-desc {
  font-size: 13.5px;
  color: var(--dq-ink-muted);
  line-height: 1.6;
  margin-bottom: 18px;
  max-width: 320px;
}

.dq-footer-social {
  display: flex;
  gap: 10px;
}

.dq-footer-social a {
  width: 34px;
  height: 34px;
  border-radius: var(--dq-radius-pill);
  background: var(--dq-canvas);
  border: 1px solid var(--dq-hairline);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--dq-ink-muted);
}

.dq-footer-social a:hover {
  background: #FFFFFF;
  color: var(--dq-primary);
  border-color: var(--dq-primary);
}

.dq-footer-heading {
  font-size: 14px;
  font-weight: 700;
  color: var(--dq-ink-primary);
  letter-spacing: 0.02em;
  margin-bottom: 16px;
}

.dq-footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.dq-footer-links a {
  font-size: 13.5px;
  color: var(--dq-ink-secondary);
}

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

.dq-footer-status-card {
  background: var(--dq-canvas);
  border: 1px solid var(--dq-hairline);
  border-radius: var(--dq-radius-md);
  padding: 14px;
}

.dq-status-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
}

.dq-status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #10B981;
  box-shadow: 0 0 8px #10B981;
}

.dq-status-text {
  font-size: 12px;
  font-weight: 600;
  color: var(--dq-ink-primary);
}

.dq-status-meta {
  font-size: 11px;
  color: var(--dq-ink-muted);
}

.dq-footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--dq-hairline);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--dq-ink-muted);
}

/* --- 13. Modals & Back-To-Top --- */
.dq-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(8px);
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding-top: 120px;
}

.dq-modal-overlay.active {
  display: flex;
}

.dq-modal-card {
  width: 100%;
  max-width: 580px;
  background: #FFFFFF;
  border-radius: var(--dq-radius-lg);
  box-shadow: var(--dq-shadow-modal);
  border: 1px solid var(--dq-hairline);
  padding: 16px;
  animation: modalIn 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalIn {
  from { opacity: 0; transform: translateY(-16px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.dq-modal-input-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--dq-divider);
}

.dq-modal-input-wrap svg {
  color: var(--dq-ink-muted);
}

.dq-modal-input {
  flex: 1;
  border: none;
  outline: none;
  font-size: 16px;
  color: var(--dq-ink-primary);
}

.dq-modal-close {
  background: var(--dq-canvas-subtle);
  border: 1px solid var(--dq-divider);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  color: var(--dq-ink-muted);
  cursor: pointer;
}

.dq-modal-hints {
  padding: 12px;
  font-size: 12px;
  color: var(--dq-ink-muted);
}

.dq-back-to-top {
  position: fixed;
  right: 28px;
  bottom: 28px;
  z-index: 90;
  width: 44px;
  height: 44px;
  border-radius: var(--dq-radius-pill);
  background: #FFFFFF;
  border: 1px solid var(--dq-hairline);
  box-shadow: var(--dq-shadow-hover);
  color: var(--dq-ink-primary);
  display: none;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.dq-back-to-top:hover {
  background: var(--dq-primary);
  color: #FFFFFF;
  border-color: var(--dq-primary);
  transform: translateY(-2px);
}

.dq-back-to-top.visible {
  display: flex;
}

/* --- 14. Responsive Breakpoints --- */
@media (max-width: 1024px) {
  .dq-layout-grid {
    grid-template-columns: 1fr;
  }
  .dq-sidebar-area {
    margin-top: 20px;
  }
  .dq-featured-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .dq-footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .dq-article-layout {
    grid-template-columns: 1fr;
  }
  .dq-toc-col {
    display: none;
  }
}

@media (max-width: 991px) {
  .dq-header-nav-bar {
    display: none;
  }
  .dq-header-main-inner {
    height: 58px;
  }
  .dq-mobile-toggle {
    display: flex;
  }
}

@media (max-width: 768px) {
  .dq-search-trigger-text, .dq-kbd {
    display: none;
  }
  .dq-brand-badge {
    display: none; /* 极窄移动端隐藏过长副标题，保持Logo与搜索/菜单整洁 */
  }
  .dq-mobile-drawer.active {
    display: block;
    background: #FFFFFF;
    border-top: 1px solid var(--dq-hairline);
    padding: 16px 0;
  }
  .dq-mobile-nav-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
  }
  .dq-mobile-nav-list a {
    display: block;
    padding: 10px 16px;
    font-size: 15px;
    font-weight: 500;
  }
  .dq-card-article {
    grid-template-columns: 1fr;
  }
  .dq-card-thumb {
    height: 190px;
  }
  .dq-featured-grid {
    grid-template-columns: 1fr;
  }
  .dq-article-title {
    font-size: 26px;
  }
  .dq-footer-grid {
    grid-template-columns: 1fr;
  }
  .dq-footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}

/* --- Google AdSense & Ads Container --- */
.dq-ad-slot {
  margin: 24px 0;
  text-align: center;
  overflow: hidden;
  max-width: 100%;
  border-radius: var(--dq-radius-md);
}

.dq-ad-slot ins.adsbygoogle {
  display: block;
  margin: 0 auto;
}

.dq-ad-single-top {
  margin-bottom: 24px;
}

.dq-ad-single-bottom {
  margin-top: 28px;
}

/* ==========================================================================
   15. Custom About Page Layout (DongVPS 关于页面规范)
   ========================================================================== */
.dq-about-page-main {
  padding-top: 28px;
  padding-bottom: 88px;
}

.dq-about-container {
  max-width: 960px;
  margin-left: auto;
  margin-right: auto;
}

.dq-about-breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

.dq-about-hero {
  padding-bottom: 36px;
  border-bottom: 1px solid var(--dq-hairline);
  margin-bottom: 40px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.dq-about-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: var(--dq-radius-pill);
  background: var(--dq-primary-light);
  color: var(--dq-primary);
  border: 1px solid var(--dq-primary-border);
  margin-bottom: 18px;
}

.dq-badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--dq-primary);
  box-shadow: 0 0 8px var(--dq-primary);
}

.dq-about-hero-title {
  font-size: 36px;
  font-weight: 800;
  line-height: 1.3;
  color: var(--dq-ink-primary);
  letter-spacing: -0.025em;
  margin-bottom: 16px;
  text-align: center;
  max-width: 820px;
}

.dq-about-hero-subtitle {
  font-size: 16px;
  color: var(--dq-ink-secondary);
  line-height: 1.7;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.dq-about-section {
  margin-top: 48px;
}

.dq-about-section-header {
  margin-bottom: 28px;
  text-align: center;
}

.dq-about-section-tag {
  font-family: var(--dq-font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--dq-primary);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 6px;
  display: block;
  text-align: center;
}

.dq-about-section-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--dq-ink-primary);
  margin-bottom: 8px;
  text-align: center;
}

.dq-about-section-desc {
  font-size: 14px;
  color: var(--dq-ink-muted);
  max-width: 620px;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.dq-about-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.dq-about-card {
  background: var(--dq-surface);
  border: 1px solid var(--dq-hairline);
  border-radius: var(--dq-radius-lg);
  padding: 24px;
  box-shadow: var(--dq-shadow-card);
  transition: all var(--dq-transition);
  display: flex;
  flex-direction: column;
}

.dq-about-card:hover {
  border-color: var(--dq-primary-border);
  box-shadow: var(--dq-shadow-hover);
  transform: translateY(-2px);
}

.dq-about-card-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--dq-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.icon-linux { background: #EEF2FF; color: #4F46E5; }
.icon-docker { background: #E0F2FE; color: #0284C7; }
.icon-vps { background: #FEF3C7; color: #D97706; }
.icon-homelab { background: #ECFDF5; color: #059669; }

.dq-about-card h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--dq-ink-primary);
  margin-bottom: 8px;
}

.dq-about-card p {
  font-size: 14px;
  color: var(--dq-ink-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
  flex: 1;
}

.dq-about-card-meta {
  font-family: var(--dq-font-mono);
  font-size: 11.5px;
  color: var(--dq-ink-muted);
  background: var(--dq-canvas-subtle);
  padding: 4px 10px;
  border-radius: var(--dq-radius-sm);
  display: inline-block;
  align-self: flex-start;
}

/* Principles Card */
.dq-about-principles-card {
  background: var(--dq-surface);
  border: 1px solid var(--dq-hairline);
  border-radius: var(--dq-radius-lg);
  padding: 32px;
  box-shadow: var(--dq-shadow-card);
}

.dq-principles-header {
  margin-bottom: 28px;
  text-align: center;
}

.dq-principles-header h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--dq-ink-primary);
  text-align: center;
}

.dq-principles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.dq-principle-item {
  display: flex;
  flex-direction: column;
}

.dq-principle-num {
  font-family: var(--dq-font-mono);
  font-size: 28px;
  font-weight: 800;
  color: var(--dq-primary);
  line-height: 1;
  margin-bottom: 12px;
  opacity: 0.9;
}

.dq-principle-item h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--dq-ink-primary);
  margin-bottom: 8px;
}

.dq-principle-item p {
  font-size: 13.5px;
  color: var(--dq-ink-secondary);
  line-height: 1.6;
}

/* Author Profile Card */
.dq-about-author-card {
  background: linear-gradient(135deg, var(--dq-surface) 0%, var(--dq-canvas-subtle) 100%);
  border: 1px solid var(--dq-hairline);
  border-radius: var(--dq-radius-lg);
  padding: 32px;
  box-shadow: var(--dq-shadow-card);
  display: flex;
  align-items: center;
  gap: 28px;
}

.dq-author-card-avatar {
  width: 72px;
  height: 72px;
  border-radius: var(--dq-radius-lg);
  background: var(--dq-accent-gradient);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--dq-font-mono);
  font-size: 26px;
  font-weight: 800;
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.35);
  flex-shrink: 0;
}

.dq-author-card-body {
  flex: 1;
}

.dq-author-card-tag {
  font-family: var(--dq-font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--dq-primary);
  letter-spacing: 0.08em;
  margin-bottom: 4px;
}

.dq-author-card-name {
  font-size: 20px;
  font-weight: 700;
  color: var(--dq-ink-primary);
  margin-bottom: 8px;
}

.dq-author-card-desc {
  font-size: 14px;
  color: var(--dq-ink-secondary);
  line-height: 1.65;
  margin-bottom: 16px;
}

.dq-author-card-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.dq-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  border-radius: var(--dq-radius-pill);
  font-size: 13px;
  font-weight: 600;
  transition: all var(--dq-transition);
}

.dq-btn-primary {
  background: var(--dq-primary);
  color: #FFFFFF;
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3);
}

.dq-btn-primary:hover {
  background: var(--dq-primary-hover);
  color: #FFFFFF;
  transform: translateY(-1px);
}

.dq-btn-subtle {
  background: var(--dq-surface);
  border: 1px solid var(--dq-hairline);
  color: var(--dq-ink-primary);
}

.dq-btn-subtle:hover {
  border-color: var(--dq-primary-border);
  color: var(--dq-primary);
}

.dq-about-disclaimer {
  margin-top: 48px;
  padding: 20px 24px;
  background: var(--dq-canvas-subtle);
  border: 1px solid var(--dq-hairline);
  border-radius: var(--dq-radius-md);
  font-size: 13px;
  color: var(--dq-ink-muted);
  line-height: 1.65;
  text-align: center;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

@media (max-width: 768px) {
  .dq-about-hero-title {
    font-size: 28px;
  }
  .dq-about-grid {
    grid-template-columns: 1fr;
  }
  .dq-principles-grid {
    grid-template-columns: 1fr;
  }
  .dq-about-author-card {
    flex-direction: column;
    align-items: flex-start;
  }
}