/* ========================================================================
   DeepBlog Design System — 暗色沉浸 · 极客美学
   Based on Bootstrap 5.3 with custom dark theme overrides
   ========================================================================
   设计原则：内容至上 / 暗色沉浸 / 确定性 / 键盘优先
   ======================================================================== */

/* ---- Design Tokens ---- */
:root {
  --db-bg-primary: #0D1117;
  --db-bg-secondary: #161B22;
  --db-bg-tertiary: #1A2A3A;
  --db-code-bg: #161B22;
  --db-code-border: #30363D;
  --db-inline-code-bg: #2D333B;

  --db-accent: #00D4AA;
  --db-accent-hover: #00F0C0;
  --db-accent-dim: rgba(0, 212, 170, 0.12);
  --db-accent-glow: rgba(0, 212, 170, 0.25);
  --db-warm: #FF6B35;

  --db-text-primary: #E6EDF3;
  --db-text-secondary: #8B949E;
  --db-text-tertiary: #6E7681;
  --db-text-on-accent: #0D1117;

  --db-border-default: #30363D;
  --db-border-muted: #21262D;

  --db-glass-bg: rgba(255, 255, 255, 0.03);
  --db-glass-border: rgba(255, 255, 255, 0.08);

  --db-syn-keyword: #C678DD;
  --db-syn-string: #98C379;
  --db-syn-comment: #7F848E;
  --db-syn-number: #D19A66;
  --db-syn-function: #61AFEF;
  --db-syn-variable: #E06C75;
  --db-syn-property: #61AFEF;

  --db-ease: cubic-bezier(0.4, 0, 0.2, 1);
  --db-ease-decel: cubic-bezier(0, 0, 0.2, 1);
  --db-dur-quick: 150ms;
  --db-dur-std: 300ms;
  --db-dur-slow: 500ms;

  --db-nav-h: 56px;
  --db-content-max: 860px;
  --db-layout-max: 1200px;

  --db-font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --db-font-mono: "JetBrains Mono", "Fira Code", "Cascadia Code", Consolas, "SF Mono", "Courier New", monospace;
}

[data-bs-theme="light"] {
  --db-bg-primary: #FFFFFF;
  --db-bg-secondary: #F6F8FA;
  --db-bg-tertiary: #EFF2F5;
  --db-code-bg: #F6F8FA;
  --db-code-border: #D0D7DE;
  --db-inline-code-bg: #EFF2F5;
  --db-accent: #00A884;
  --db-accent-hover: #00C2A0;
  --db-accent-dim: rgba(0, 168, 132, 0.10);
  --db-accent-glow: rgba(0, 168, 132, 0.20);
  --db-text-primary: #1F2328;
  --db-text-secondary: #656D76;
  --db-text-tertiary: #8C959F;
  --db-text-on-accent: #FFFFFF;
  --db-border-default: #D0D7DE;
  --db-border-muted: #E1E4E8;
  --db-glass-bg: rgba(0, 0, 0, 0.02);
  --db-glass-border: rgba(0, 0, 0, 0.08);
}

/* ---- Base Overrides ---- */
body {
  font-family: var(--db-font-sans);
  background: var(--db-bg-primary);
  color: var(--db-text-primary);
  line-height: 1.8;
  font-size: 1rem;
  overflow-x: hidden;
  transition: background var(--db-dur-slow) var(--db-ease), color var(--db-dur-slow) var(--db-ease);
}

a { color: var(--db-accent); text-decoration: none; transition: color var(--db-dur-quick) var(--db-ease); }
a:hover { color: var(--db-accent-hover); }

::selection { background: var(--db-accent-dim); color: var(--db-text-primary); }
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--db-bg-primary); }
::-webkit-scrollbar-thumb { background: var(--db-border-default); border-radius: 999px; }
::-webkit-scrollbar-thumb:hover { background: var(--db-text-tertiary); }

/* ========================================================================
   Navigation — Glassmorphism
   ======================================================================== */
.db-nav {
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--db-nav-h); z-index: 1030;
  display: flex; align-items: center; padding: 0 24px;
  background: transparent; border-bottom: 1px solid transparent;
  transition: all var(--db-dur-std) var(--db-ease);
}
.db-nav.scrolled {
  background: var(--db-glass-bg);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid var(--db-glass-border);
}
.db-nav-inner {
  width: 100%; max-width: var(--db-layout-max); margin: 0 auto;
  display: flex; align-items: center; gap: 20px;
}
.db-logo {
  display: flex; align-items: center; gap: 4px;
  font-family: var(--db-font-mono); font-weight: 700; font-size: 1.125rem;
  color: var(--db-text-primary); white-space: nowrap;
}
.db-logo .db-cursor {
  display: inline-block; width: 8px; height: 1.125rem;
  background: var(--db-accent); animation: db-blink 1s step-end infinite;
  border-radius: 1px; margin-left: 2px;
}
@keyframes db-blink { 0%,100%{opacity:1} 50%{opacity:0} }

.db-nav-cats { display: flex; align-items: center; gap: 2px; flex: 1; overflow-x: auto; scrollbar-width: none; }
.db-nav-cats::-webkit-scrollbar { display: none; }
.db-nav-cat {
  padding: 5px 12px; font-size: 0.875rem; color: var(--db-text-secondary);
  border-radius: 4px; white-space: nowrap; cursor: pointer;
  transition: all var(--db-dur-quick) var(--db-ease);
}
.db-nav-cat:hover, .db-nav-cat.active { color: var(--db-accent); background: var(--db-accent-dim); }

.db-nav-actions { display: flex; align-items: center; gap: 8px; }

.db-search-trigger {
  display: flex; align-items: center; gap: 8px;
  padding: 5px 12px; background: var(--db-glass-bg);
  border: 1px solid var(--db-border-muted); border-radius: 8px;
  font-size: 0.8125rem; color: var(--db-text-secondary); cursor: pointer;
  font-family: var(--db-font-mono); transition: all var(--db-dur-quick) var(--db-ease);
}
.db-search-trigger:hover { border-color: var(--db-accent); background: var(--db-accent-dim); }
.db-search-trigger .db-kbd {
  padding: 1px 6px; background: var(--db-bg-secondary);
  border: 1px solid var(--db-border-default); border-radius: 4px; font-size: 0.7rem;
}

.db-icon-btn {
  width: 32px; height: 32px; display: flex; align-items: center; justify-content: center;
  background: var(--db-glass-bg); border: 1px solid var(--db-border-muted);
  border-radius: 8px; color: var(--db-text-secondary); cursor: pointer;
  transition: all var(--db-dur-quick) var(--db-ease);
}
.db-icon-btn:hover { color: var(--db-accent); border-color: var(--db-accent); background: var(--db-accent-dim); }
.db-icon-btn svg { width: 16px; height: 16px; }

.db-btn-login {
  padding: 5px 16px; font-family: var(--db-font-mono); font-size: 0.8125rem; font-weight: 600;
  color: var(--db-accent); background: var(--db-accent-dim);
  border: 1px solid var(--db-accent); border-radius: 8px; cursor: pointer;
  transition: all var(--db-dur-std) var(--db-ease);
}
.db-btn-login:hover { background: var(--db-accent); color: var(--db-text-on-accent); }

.db-menu-toggle { display: none; }

/* ========================================================================
   Page Container
   ======================================================================== */
.db-page { padding-top: var(--db-nav-h); min-height: 100vh; }
.db-page-enter { animation: db-fadeInUp var(--db-dur-std) var(--db-ease); }
@keyframes db-fadeInUp { from{opacity:0;transform:translateY(12px)} to{opacity:1;transform:translateY(0)} }

/* ========================================================================
   Hero
   ======================================================================== */
.db-hero { text-align: center; padding: 56px 24px 40px; position: relative; }
.db-hero::before {
  content: ''; position: absolute; top: 30%; left: 50%; transform: translate(-50%,-50%);
  width: 600px; height: 300px;
  background: radial-gradient(ellipse, var(--db-accent-glow) 0%, transparent 70%);
  filter: blur(60px); z-index: -1; pointer-events: none;
}
.db-hero-slogan {
  font-family: var(--db-font-mono); font-size: 2.25rem; font-weight: 700;
  letter-spacing: -0.03em; line-height: 1.3; color: var(--db-text-primary); margin: 0;
}
.db-hero-slogan .db-accent-text { color: var(--db-accent); }
.db-hero-sub {
  margin-top: 12px; font-size: 1rem; color: var(--db-text-secondary);
  max-width: 520px; margin-left: auto; margin-right: auto;
}
.db-type-cursor {
  display: inline-block; width: 3px; height: 1em; background: var(--db-accent);
  margin-left: 4px; animation: db-blink 1s step-end infinite;
  vertical-align: text-bottom; border-radius: 1px;
}

/* ========================================================================
   Slideshow
   ======================================================================== */
.db-slideshow { max-width: var(--db-layout-max); margin: 0 auto 32px; padding: 0 24px; }
.db-slideshow-wrap {
  position: relative; border-radius: 12px; overflow: hidden;
  border: 1px solid var(--db-border-default); background: var(--db-bg-secondary);
}
.db-slides { position: relative; width: 100%; padding-top: 42.86%; overflow: hidden; }
.db-slide {
  position: absolute; inset: 0; opacity: 0;
  transition: opacity var(--db-dur-slow) var(--db-ease);
  display: flex; align-items: flex-end; cursor: pointer;
}
.db-slide.active { opacity: 1; }
.db-slide-bg {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  font-size: 3rem;
}
.db-slide-caption {
  position: relative; z-index: 2; width: 100%; padding: 24px 28px;
  background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0.4) 70%, transparent 100%);
}
.db-slide-tag {
  display: inline-block; padding: 2px 10px; margin-bottom: 8px;
  font-family: var(--db-font-mono); font-size: 0.7rem; font-weight: 600;
  color: var(--db-accent); background: var(--db-accent-dim);
  border: 1px solid var(--db-accent); border-radius: 999px;
}
.db-slide-title { font-size: 1.25rem; font-weight: 700; color: #fff; line-height: 1.4; margin: 0; }
.db-slide-summary { font-size: 0.85rem; color: rgba(255,255,255,0.7); margin: 0; }
.db-slide-nav-btn {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 3;
  width: 36px; height: 36px; display: flex; align-items: center; justify-content: center;
  background: rgba(0,0,0,0.4); backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.15); border-radius: 50%;
  color: #fff; cursor: pointer; transition: all var(--db-dur-quick) var(--db-ease);
}
.db-slide-nav-btn:hover { background: var(--db-accent); border-color: var(--db-accent); }
.db-slide-nav-btn.prev { left: 12px; }
.db-slide-nav-btn.next { right: 12px; }
.db-slide-nav-btn svg { width: 18px; height: 18px; }
.db-slide-dots { position: absolute; bottom: 12px; right: 16px; z-index: 3; display: flex; gap: 6px; }
.db-slide-dot {
  width: 8px; height: 8px; border-radius: 50%; background: rgba(255,255,255,0.3);
  cursor: pointer; transition: all var(--db-dur-quick) var(--db-ease);
}
.db-slide-dot.active { background: var(--db-accent); width: 24px; border-radius: 999px; }

/* ========================================================================
   Home Layout
   ======================================================================== */
.db-home-layout {
  max-width: var(--db-layout-max); margin: 0 auto; padding: 0 24px 64px;
  display: grid; grid-template-columns: 1fr 300px; gap: 32px; align-items: start;
}
.db-article-list { display: flex; flex-direction: column; gap: 2px; }

.db-section-label {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--db-font-mono); font-size: 0.75rem; font-weight: 600;
  color: var(--db-text-secondary); text-transform: uppercase; letter-spacing: 0.08em;
  margin-bottom: 20px; padding-bottom: 12px; border-bottom: 1px solid var(--db-border-muted);
}
.db-section-label .db-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--db-accent); }
.db-section-label .db-count { margin-left: auto; color: var(--db-text-tertiary); font-size: 0.7rem; }

/* Article Card */
.db-article-card {
  display: flex; gap: 16px; padding: 20px;
  border-radius: 12px; background: transparent; border: 1px solid transparent;
  cursor: pointer; transition: all var(--db-dur-std) var(--db-ease);
  position: relative; overflow: hidden;
}
.db-article-card::before {
  content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
  background: var(--db-accent); transform: scaleY(0); transform-origin: center;
  transition: transform var(--db-dur-std) var(--db-ease); border-radius: 0 2px 2px 0;
}
.db-article-card:hover {
  background: var(--db-bg-secondary); border-color: var(--db-border-default);
  transform: translateY(-2px); box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}
.db-article-card:hover::before { transform: scaleY(1); }
.db-article-cover {
  width: 160px; height: 100px; flex-shrink: 0; border-radius: 8px; overflow: hidden;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--db-font-mono); font-size: 1.5rem; font-weight: 700;
  color: rgba(255,255,255,0.92);
}
.db-grad-1 { background: linear-gradient(135deg, #667eea, #764ba2); }
.db-grad-2 { background: linear-gradient(135deg, #f093fb, #f5576c); }
.db-grad-3 { background: linear-gradient(135deg, #4facfe, #00f2fe); }
.db-grad-4 { background: linear-gradient(135deg, #fa709a, #fee140); }
.db-grad-5 { background: linear-gradient(135deg, #43e97b, #38f9d7); }
.db-grad-6 { background: linear-gradient(135deg, #89f7fe, #66a6ff); }
.db-grad-7 { background: linear-gradient(135deg, #d299c2, #fef9d7); }
.db-grad-8 { background: linear-gradient(135deg, #a18cd1, #fbc2eb); }
.db-grad-9 { background: linear-gradient(135deg, #00d4aa, #0099cc); }
.db-grad-10 { background: linear-gradient(135deg, #ff6b35, #ff9a56); }
.db-article-body { flex: 1; min-width: 0; }
.db-article-meta {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  font-family: var(--db-font-mono); font-size: 0.72rem; color: var(--db-text-tertiary); margin-bottom: 8px;
}
.db-article-meta .db-sep { color: var(--db-border-default); }
.db-article-meta .db-cat { color: var(--db-accent); }
.db-article-title {
  font-size: 1.0625rem; font-weight: 700; line-height: 1.5; color: var(--db-text-primary); margin: 0 0 6px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
  transition: color var(--db-dur-quick) var(--db-ease);
}
.db-article-card:hover .db-article-title { color: var(--db-accent); }
.db-article-summary {
  font-size: 0.8125rem; color: var(--db-text-secondary); line-height: 1.6; margin: 0;
  display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden;
}

/* Tag */
.db-tag {
  display: inline-flex; align-items: center; padding: 2px 10px;
  font-family: var(--db-font-mono); font-size: 0.7rem; font-weight: 500;
  color: var(--db-text-secondary); background: var(--db-bg-secondary);
  border: 1px solid var(--db-border-default); border-radius: 999px;
  cursor: pointer; transition: all var(--db-dur-quick) var(--db-ease); white-space: nowrap;
}
.db-tag:hover, .db-tag.active { color: var(--db-text-on-accent); background: var(--db-accent); border-color: var(--db-accent); }
.db-tag-lg { font-size: 0.875rem !important; font-weight: 600; }
.db-tag-md { font-size: 0.78rem !important; }
.db-tag-sm { font-size: 0.7rem !important; color: var(--db-text-tertiary); }

/* Pagination */
.db-pagination { display: flex; align-items: center; justify-content: center; gap: 4px; padding: 32px 0; flex-wrap: wrap; }
.db-page-btn {
  min-width: 36px; height: 36px; padding: 0 10px; display: flex; align-items: center; justify-content: center;
  font-family: var(--db-font-mono); font-size: 0.8125rem; color: var(--db-text-secondary);
  background: transparent; border: 1px solid var(--db-border-default); border-radius: 8px;
  cursor: pointer; transition: all var(--db-dur-quick) var(--db-ease);
}
.db-page-btn:hover:not(:disabled) { color: var(--db-accent); border-color: var(--db-accent); background: var(--db-accent-dim); }
.db-page-btn.active { color: var(--db-text-on-accent); background: var(--db-accent); border-color: var(--db-accent); font-weight: 600; }
.db-page-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.db-page-btn svg { width: 14px; height: 14px; }
.db-page-jump { display: flex; align-items: center; gap: 6px; margin-left: 12px; font-family: var(--db-font-mono); font-size: 0.75rem; color: var(--db-text-tertiary); }
.db-page-jump input {
  width: 48px; height: 36px; text-align: center; background: var(--db-bg-secondary);
  border: 1px solid var(--db-border-default); border-radius: 8px; color: var(--db-text-primary);
  font-family: var(--db-font-mono); font-size: 0.8125rem; outline: none; transition: border-color var(--db-dur-quick) var(--db-ease);
}
.db-page-jump input:focus { border-color: var(--db-accent); }

/* ========================================================================
   Sidebar
   ======================================================================== */
.db-sidebar { position: sticky; top: calc(var(--db-nav-h) + 24px); display: flex; flex-direction: column; gap: 20px; }
.db-sidebar-card {
  background: var(--db-bg-secondary); border: 1px solid var(--db-border-default);
  border-radius: 12px; padding: 20px;
}
.db-sidebar-title {
  font-family: var(--db-font-mono); font-size: 0.72rem; font-weight: 600;
  color: var(--db-text-secondary); text-transform: uppercase; letter-spacing: 0.08em;
  margin-bottom: 16px; display: flex; align-items: center; gap: 8px;
}
.db-sidebar-title svg { width: 14px; height: 14px; color: var(--db-accent); }

/* Hot list */
.db-hot-list { display: flex; flex-direction: column; gap: 12px; }
.db-hot-item { display: flex; gap: 10px; cursor: pointer; transition: all var(--db-dur-quick) var(--db-ease); }
.db-hot-item:hover .db-hot-title { color: var(--db-accent); }
.db-hot-rank {
  flex-shrink: 0; width: 22px; height: 22px; display: flex; align-items: center; justify-content: center;
  font-family: var(--db-font-mono); font-size: 0.7rem; font-weight: 700; border-radius: 4px;
  color: var(--db-text-tertiary); background: var(--db-bg-tertiary);
}
.db-hot-rank.top1 { color: var(--db-text-on-accent); background: linear-gradient(135deg, var(--db-accent), #0099CC); }
.db-hot-rank.top2 { color: var(--db-text-on-accent); background: linear-gradient(135deg, var(--db-accent), #0099AA); }
.db-hot-rank.top3 { color: var(--db-accent); border: 1px solid var(--db-accent); background: var(--db-accent-dim); }
.db-hot-title {
  font-size: 0.8125rem; font-weight: 500; line-height: 1.5; color: var(--db-text-primary);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
  transition: color var(--db-dur-quick) var(--db-ease);
}
.db-hot-meta { font-family: var(--db-font-mono); font-size: 0.68rem; color: var(--db-text-tertiary); margin-top: 2px; }

/* Category list */
.db-cat-list { display: flex; flex-direction: column; gap: 2px; }
.db-cat-item {
  display: flex; align-items: center; justify-content: space-between; padding: 8px 12px; border-radius: 4px;
  font-size: 0.85rem; color: var(--db-text-secondary); cursor: pointer; transition: all var(--db-dur-quick) var(--db-ease);
}
.db-cat-item:hover { color: var(--db-accent); background: var(--db-accent-dim); }
.db-cat-item .db-count { font-family: var(--db-font-mono); font-size: 0.7rem; color: var(--db-text-tertiary); }

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

/* Friend links */
.db-friend-links { display: flex; flex-wrap: wrap; gap: 8px; }
.db-friend-link {
  padding: 4px 12px; font-family: var(--db-font-mono); font-size: 0.72rem;
  color: var(--db-text-secondary); background: var(--db-bg-tertiary);
  border: 1px solid var(--db-border-muted); border-radius: 999px; transition: all var(--db-dur-quick) var(--db-ease);
}
.db-friend-link:hover { color: var(--db-accent); border-color: var(--db-accent); }

/* Ad card */
.db-ad-card {
  background: var(--db-accent-dim); border: 1px dashed var(--db-accent); border-radius: 12px;
  padding: 20px; text-align: center; position: relative; cursor: pointer;
}
.db-ad-badge {
  position: absolute; top: 8px; right: 8px; padding: 1px 6px; font-size: 0.6rem; font-weight: 500;
  color: var(--db-text-tertiary); background: var(--db-bg-secondary); border-radius: 4px;
  font-family: var(--db-font-mono);
}

/* ========================================================================
   Post Detail Page
   ======================================================================== */
.db-post-layout {
  max-width: var(--db-layout-max); margin: 0 auto; padding: 40px 24px 64px;
  display: grid; grid-template-columns: 1fr 220px; gap: 40px; align-items: start;
}
.db-post-content { max-width: var(--db-content-max); margin: 0 auto; width: 100%; }
.db-post-header { margin-bottom: 36px; padding-bottom: 24px; border-bottom: 1px solid var(--db-border-muted); }
.db-post-tags { display: flex; gap: 8px; margin-bottom: 16px; }
.db-post-title { font-size: 2.25rem; font-weight: 700; line-height: 1.3; letter-spacing: -0.02em; color: var(--db-text-primary); margin: 0 0 16px; }
.db-post-meta {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  font-family: var(--db-font-mono); font-size: 0.8rem; color: var(--db-text-secondary);
}
.db-post-meta .db-sep { color: var(--db-border-default); }
.db-avatar {
  width: 24px; height: 24px; border-radius: 50%; background: linear-gradient(135deg, var(--db-accent), #0099CC);
  display: flex; align-items: center; justify-content: center; font-size: 0.65rem; font-weight: 700;
  color: var(--db-text-on-accent); font-family: var(--db-font-mono);
}

/* Post body */
.db-post-body { font-size: 1.0625rem; line-height: 1.8; color: var(--db-text-primary); }
.db-post-body h2 {
  font-size: 1.75rem; font-weight: 600; margin: 40px 0 16px; scroll-margin-top: 90px;
  display: flex; align-items: center; gap: 10px;
}
.db-post-body h2::before { content: ''; width: 4px; height: 1.4rem; background: var(--db-accent); border-radius: 2px; }
.db-post-body h3 { font-size: 1.375rem; font-weight: 600; margin: 32px 0 12px; scroll-margin-top: 90px; }
.db-post-body p { margin-bottom: 16px; }
.db-post-body ul, .db-post-body ol { margin: 0 0 16px 24px; }
.db-post-body li { margin-bottom: 6px; line-height: 1.8; }
.db-post-body strong { font-weight: 700; }
.db-post-body a { text-decoration: underline; text-decoration-color: var(--db-accent-dim); text-underline-offset: 3px; }
.db-post-body code {
  font-family: var(--db-font-mono); font-size: 0.85em; background: var(--db-inline-code-bg);
  padding: 2px 6px; border-radius: 4px; color: var(--db-accent); border: 1px solid var(--db-border-muted);
}
.db-post-body blockquote {
  margin: 20px 0; padding: 14px 20px; border-left: 3px solid var(--db-accent);
  background: var(--db-accent-dim); border-radius: 0 8px 8px 0; color: var(--db-text-secondary); font-style: italic;
}
.db-post-body blockquote p { margin-bottom: 0; }

/* Code block */
.db-code-block { margin: 24px 0; background: var(--db-code-bg); border: 1px solid var(--db-code-border); border-radius: 12px; overflow: hidden; }
.db-code-header {
  display: flex; align-items: center; justify-content: space-between; padding: 6px 14px;
  background: var(--db-bg-secondary); border-bottom: 1px solid var(--db-code-border);
  font-family: var(--db-font-mono); font-size: 0.72rem;
}
.db-code-lang { color: var(--db-text-secondary); font-weight: 500; display: flex; align-items: center; gap: 6px; }
.db-code-lang .db-lang-dot { width: 8px; height: 8px; border-radius: 50%; }
.db-copy-btn {
  display: flex; align-items: center; gap: 4px; padding: 3px 8px; background: transparent;
  border: 1px solid var(--db-border-default); border-radius: 4px; color: var(--db-text-secondary);
  font-family: var(--db-font-mono); font-size: 0.68rem; cursor: pointer; transition: all var(--db-dur-quick) var(--db-ease);
}
.db-copy-btn:hover { color: var(--db-accent); border-color: var(--db-accent); background: var(--db-accent-dim); }
.db-copy-btn.copied { color: var(--db-accent); border-color: var(--db-accent); }
.db-copy-btn svg { width: 12px; height: 12px; }
.db-code-body { display: flex; font-family: var(--db-font-mono); font-size: 0.8125rem; line-height: 1.7; overflow-x: auto; }
.db-line-numbers { padding: 14px 10px; text-align: right; color: var(--db-text-tertiary); user-select: none; border-right: 1px solid var(--db-border-muted); min-width: 40px; font-size: 0.75rem; opacity: 0.5; }
.db-line-numbers span { display: block; }
.db-code-content { padding: 14px; flex: 1; white-space: pre; }
.db-code-content .db-line { display: block; }

/* Syntax */
.tk-keyword { color: var(--db-syn-keyword); }
.tk-string { color: var(--db-syn-string); }
.tk-comment { color: var(--db-syn-comment); font-style: italic; }
.tk-number { color: var(--db-syn-number); }
.tk-function { color: var(--db-syn-function); }
.tk-variable { color: var(--db-syn-variable); }
.tk-property { color: var(--db-syn-property); }
.tk-plain { color: var(--db-text-primary); }

/* TOC */
.db-toc { position: sticky; top: calc(var(--db-nav-h) + 24px); align-self: start; max-height: calc(100vh - var(--db-nav-h) - 48px); overflow-y: auto; padding-left: 14px; border-left: 1px solid var(--db-border-muted); }
.db-toc-title { font-family: var(--db-font-mono); font-size: 0.7rem; font-weight: 600; color: var(--db-text-secondary); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 12px; }
.db-toc-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 2px; }
.db-toc-item a { display: block; padding: 5px 10px; font-size: 0.75rem; color: var(--db-text-secondary); border-left: 2px solid transparent; border-radius: 0 4px 4px 0; transition: all var(--db-dur-quick) var(--db-ease); line-height: 1.5; margin-left: -2px; }
.db-toc-item a:hover { color: var(--db-accent); }
.db-toc-item.active a { color: var(--db-accent); border-left-color: var(--db-accent); background: var(--db-accent-dim); font-weight: 500; }
.db-toc-item.h3 a { padding-left: 24px; font-size: 0.7rem; }

/* Footnotes */
.db-footnotes { margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--db-border-default); }
.db-footnotes-title { font-family: var(--db-font-mono); font-size: 0.72rem; font-weight: 600; color: var(--db-text-secondary); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 16px; }
.db-footnote-list { font-size: 0.8125rem; color: var(--db-text-secondary); line-height: 1.8; padding-left: 20px; }
.db-footnote-list li { margin-bottom: 6px; }
.db-footnote-ref { font-family: var(--db-font-mono); font-size: 0.7rem; color: var(--db-accent); margin-right: 6px; }

/* Post actions */
.db-post-actions { display: flex; gap: 12px; margin: 40px 0; padding: 20px 0; border-top: 1px solid var(--db-border-muted); border-bottom: 1px solid var(--db-border-muted); }
.db-action-btn {
  display: flex; align-items: center; gap: 6px; padding: 6px 16px; background: var(--db-bg-secondary);
  border: 1px solid var(--db-border-default); border-radius: 999px; color: var(--db-text-secondary);
  font-size: 0.8125rem; font-weight: 500; cursor: pointer; transition: all var(--db-dur-std) var(--db-ease); position: relative;
}
.db-action-btn:hover { border-color: var(--db-accent); color: var(--db-accent); }
.db-action-btn svg { width: 16px; height: 16px; }
.db-action-btn.liked { color: var(--db-accent); border-color: var(--db-accent); background: var(--db-accent-dim); }
.db-action-btn.liked svg { animation: db-heartbeat var(--db-dur-std) var(--db-ease); }
@keyframes db-heartbeat { 0%{transform:scale(1)} 30%{transform:scale(1.3)} 60%{transform:scale(0.9)} 100%{transform:scale(1)} }
.db-particle { position: fixed; width: 4px; height: 4px; background: var(--db-accent); border-radius: 50%; pointer-events: none; z-index: 9999; animation: db-particle-burst 600ms var(--db-ease-decel) forwards; }
@keyframes db-particle-burst { to { transform: translate(var(--tx), var(--ty)) scale(0); opacity: 0; } }

/* ========================================================================
   Category / Search / Tag Pages
   ======================================================================== */
.db-list-page { max-width: var(--db-layout-max); margin: 0 auto; padding: 40px 24px 64px; }
.db-list-header { margin-bottom: 32px; padding-bottom: 24px; border-bottom: 1px solid var(--db-border-muted); }
.db-list-header h1 { font-size: 1.75rem; font-weight: 700; color: var(--db-text-primary); margin: 0 0 8px; }
.db-list-header p { font-size: 0.875rem; color: var(--db-text-secondary); margin: 0; }
.db-list-layout { display: grid; grid-template-columns: 1fr 300px; gap: 32px; align-items: start; }

/* Category grid */
.db-cat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 16px; }
.db-cat-card {
  padding: 20px; background: var(--db-bg-secondary); border: 1px solid var(--db-border-default);
  border-radius: 12px; cursor: pointer; transition: all var(--db-dur-std) var(--db-ease); text-align: center;
}
.db-cat-card:hover { border-color: var(--db-accent); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,0.2); }
.db-cat-card .db-cat-icon { font-size: 2rem; margin-bottom: 12px; }
.db-cat-card .db-cat-name { font-size: 1rem; font-weight: 600; color: var(--db-text-primary); margin-bottom: 4px; }
.db-cat-card .db-cat-count { font-family: var(--db-font-mono); font-size: 0.75rem; color: var(--db-text-tertiary); }

/* Search box */
.db-search-box {
  display: flex; align-items: center; gap: 12px; padding: 12px 20px;
  background: var(--db-bg-secondary); border: 1px solid var(--db-border-default);
  border-radius: 12px; margin-bottom: 32px;
}
.db-search-box input {
  flex: 1; background: none; border: none; outline: none; color: var(--db-text-primary);
  font-size: 1.0625rem; font-family: var(--db-font-sans);
}
.db-search-box input::placeholder { color: var(--db-text-tertiary); }
.db-search-box .db-search-btn {
  padding: 6px 20px; font-family: var(--db-font-mono); font-size: 0.8125rem; font-weight: 600;
  color: var(--db-text-on-accent); background: var(--db-accent); border: none; border-radius: 8px; cursor: pointer;
  transition: all var(--db-dur-quick) var(--db-ease);
}
.db-search-box .db-search-btn:hover { background: var(--db-accent-hover); }
.db-search-empty { text-align: center; padding: 60px 0; color: var(--db-text-tertiary); }
.db-search-empty .db-empty-icon { font-size: 3rem; margin-bottom: 16px; opacity: 0.3; }

/* Tag page */
.db-tag-page-grid { display: grid; grid-template-columns: 1fr 300px; gap: 32px; align-items: start; }
.db-tag-cloud-large { display: flex; flex-wrap: wrap; gap: 10px; padding: 24px; background: var(--db-bg-secondary); border: 1px solid var(--db-border-default); border-radius: 12px; }
.db-tag-cloud-large .db-tag { font-size: 1rem; padding: 6px 16px; }

/* ========================================================================
   Login Page
   ======================================================================== */
.db-login-page { min-height: calc(100vh - var(--db-nav-h)); display: flex; align-items: center; justify-content: center; padding: 40px 24px; position: relative; }
.db-login-page::before {
  content: ''; position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
  width: 500px; height: 500px;
  background: radial-gradient(circle, var(--db-accent-glow) 0%, transparent 70%);
  filter: blur(80px); z-index: -1; pointer-events: none;
}
.db-login-card {
  width: 100%; max-width: 400px; background: var(--db-bg-secondary);
  border: 1px solid var(--db-border-default); border-radius: 16px; padding: 40px 32px;
}
.db-login-logo { text-align: center; margin-bottom: 32px; }
.db-login-logo .db-logo { font-size: 1.5rem; justify-content: center; }
.db-login-title { font-size: 1.25rem; font-weight: 600; color: var(--db-text-primary); text-align: center; margin-bottom: 8px; }
.db-login-sub { font-size: 0.875rem; color: var(--db-text-secondary); text-align: center; margin-bottom: 32px; }
.db-form-group { margin-bottom: 20px; }
.db-form-label { display: block; font-family: var(--db-font-mono); font-size: 0.75rem; font-weight: 600; color: var(--db-text-secondary); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 8px; }
.db-form-input {
  width: 100%; padding: 10px 14px; background: var(--db-bg-primary);
  border: 1px solid var(--db-border-default); border-radius: 8px; color: var(--db-text-primary);
  font-size: 0.9375rem; font-family: var(--db-font-sans); outline: none; transition: border-color var(--db-dur-quick) var(--db-ease);
}
.db-form-input:focus { border-color: var(--db-accent); box-shadow: 0 0 0 3px var(--db-accent-dim); }
.db-form-input::placeholder { color: var(--db-text-tertiary); }
.db-form-checkbox { display: flex; align-items: center; gap: 8px; font-size: 0.8125rem; color: var(--db-text-secondary); }
.db-form-checkbox input { width: 16px; height: 16px; accent-color: var(--db-accent); }
.db-btn-primary {
  width: 100%; padding: 12px; font-family: var(--db-font-mono); font-size: 0.875rem; font-weight: 600;
  color: var(--db-text-on-accent); background: var(--db-accent); border: none; border-radius: 8px;
  cursor: pointer; transition: all var(--db-dur-std) var(--db-ease);
}
.db-btn-primary:hover { background: var(--db-accent-hover); box-shadow: 0 0 24px var(--db-accent-glow); }
.db-login-divider { display: flex; align-items: center; gap: 12px; margin: 24px 0; color: var(--db-text-tertiary); font-size: 0.75rem; font-family: var(--db-font-mono); }
.db-login-divider::before, .db-login-divider::after { content: ''; flex: 1; height: 1px; background: var(--db-border-default); }
.db-login-footer { text-align: center; font-size: 0.8125rem; color: var(--db-text-secondary); }
.db-social-row { display: flex; gap: 12px; }
.db-social-btn {
  flex: 1; padding: 10px; display: flex; align-items: center; justify-content: center; gap: 6px;
  background: var(--db-bg-primary); border: 1px solid var(--db-border-default); border-radius: 8px;
  color: var(--db-text-secondary); font-size: 0.8125rem; cursor: pointer; transition: all var(--db-dur-quick) var(--db-ease);
}
.db-social-btn:hover { border-color: var(--db-accent); color: var(--db-accent); }

/* ========================================================================
   Profile Page
   ======================================================================== */
.db-profile-page { max-width: var(--db-layout-max); margin: 0 auto; padding: 40px 24px 64px; }
.db-profile-header {
  display: flex; align-items: center; gap: 24px; padding: 32px;
  background: var(--db-bg-secondary); border: 1px solid var(--db-border-default);
  border-radius: 16px; margin-bottom: 32px; position: relative; overflow: hidden;
}
.db-profile-header::before {
  content: ''; position: absolute; top: -50%; right: -10%; width: 300px; height: 300px;
  background: radial-gradient(circle, var(--db-accent-glow) 0%, transparent 70%); filter: blur(60px); z-index: 0;
}
.db-profile-avatar {
  width: 80px; height: 80px; border-radius: 50%; flex-shrink: 0; position: relative; z-index: 1;
  background: linear-gradient(135deg, var(--db-accent), #0099CC);
  display: flex; align-items: center; justify-content: center;
  font-size: 2rem; font-weight: 700; color: var(--db-text-on-accent); font-family: var(--db-font-mono);
}
.db-profile-info { flex: 1; position: relative; z-index: 1; }
.db-profile-name { font-size: 1.5rem; font-weight: 700; color: var(--db-text-primary); margin: 0 0 4px; }
.db-profile-bio { font-size: 0.875rem; color: var(--db-text-secondary); margin: 0 0 12px; }
.db-profile-stats { display: flex; gap: 24px; }
.db-profile-stat { display: flex; flex-direction: column; }
.db-profile-stat .db-stat-num { font-family: var(--db-font-mono); font-size: 1.25rem; font-weight: 700; color: var(--db-accent); }
.db-profile-stat .db-stat-label { font-size: 0.72rem; color: var(--db-text-tertiary); text-transform: uppercase; letter-spacing: 0.05em; }
.db-profile-edit-btn {
  padding: 8px 20px; font-family: var(--db-font-mono); font-size: 0.8125rem; font-weight: 600;
  color: var(--db-accent); background: var(--db-accent-dim); border: 1px solid var(--db-accent);
  border-radius: 8px; cursor: pointer; transition: all var(--db-dur-std) var(--db-ease); position: relative; z-index: 1;
}
.db-profile-edit-btn:hover { background: var(--db-accent); color: var(--db-text-on-accent); }

.db-profile-tabs { display: flex; gap: 4px; margin-bottom: 24px; border-bottom: 1px solid var(--db-border-muted); }
.db-profile-tab {
  padding: 10px 20px; font-size: 0.875rem; font-weight: 500; color: var(--db-text-secondary);
  border: none; background: none; cursor: pointer; transition: all var(--db-dur-quick) var(--db-ease);
  border-bottom: 2px solid transparent; margin-bottom: -1px;
}
.db-profile-tab:hover { color: var(--db-text-primary); }
.db-profile-tab.active { color: var(--db-accent); border-bottom-color: var(--db-accent); }

/* ========================================================================
   Footer
   ======================================================================== */
.db-footer { background: var(--db-bg-secondary); border-top: 1px solid var(--db-border-muted); padding: 32px 24px; }
.db-footer-inner { max-width: var(--db-layout-max); margin: 0 auto; }
.db-footer-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding-bottom: 12px; border-bottom: 1px solid var(--db-border-muted); }
.db-footer-row:last-child { border-bottom: none; padding-bottom: 0; }
.db-footer-links { display: flex; gap: 16px; flex-wrap: wrap; }
.db-footer-links a { font-size: 0.75rem; color: var(--db-text-secondary); font-family: var(--db-font-mono); }
.db-footer-links a:hover { color: var(--db-accent); }
.db-footer-logo { font-family: var(--db-font-mono); font-size: 0.875rem; font-weight: 700; color: var(--db-text-secondary); }
.db-footer-copy { font-size: 0.72rem; color: var(--db-text-tertiary); font-family: var(--db-font-mono); margin-top: 4px; }
.db-footer-stats { display: flex; gap: 12px; flex-wrap: wrap; font-family: var(--db-font-mono); font-size: 0.65rem; color: var(--db-text-tertiary); }
.db-footer-stats .db-stat-val { color: var(--db-text-secondary); }

/* ========================================================================
   Search Modal
   ======================================================================== */
.db-search-modal {
  display: none; position: fixed; inset: 0; z-index: 2000;
  background: rgba(0,0,0,0.6); backdrop-filter: blur(8px);
  align-items: flex-start; justify-content: center; padding-top: 100px;
}
.db-search-modal.show { display: flex; }
.db-search-modal-box {
  width: 90%; max-width: 560px; background: var(--db-bg-secondary);
  border: 1px solid var(--db-border-default); border-radius: 12px; overflow: hidden;
  box-shadow: 0 16px 48px rgba(0,0,0,0.4);
}
.db-search-modal-inner { display: flex; align-items: center; gap: 12px; padding: 14px 18px; border-bottom: 1px solid var(--db-border-muted); }
.db-search-modal-inner input { flex: 1; background: none; border: none; outline: none; color: var(--db-text-primary); font-size: 0.9375rem; font-family: var(--db-font-sans); }
.db-search-modal-hint { padding: 10px 18px; color: var(--db-text-tertiary); font-size: 0.75rem; font-family: var(--db-font-mono); }
.db-search-modal-hint .db-accent-text { color: var(--db-accent); }

/* ========================================================================
   Utility Classes (inline style extraction)
   ======================================================================== */
.db-kbd-esc { cursor: pointer; }
.db-slide-bg-text { font-size: 3rem; opacity: 0.15; }
.db-slide-bg-1 { background: linear-gradient(135deg, #0D1117 0%, #1A2A3A 50%, #003D33 100%); }
.db-slide-bg-2 { background: linear-gradient(135deg, #0D1117 0%, #1A237E 50%, #003D33 100%); }
.db-slide-bg-3 { background: linear-gradient(135deg, #1A0A0A 0%, #2D1B00 50%, #003D33 100%); }
.db-slide-bg-4 { background: linear-gradient(135deg, #0D1117 0%, #1A237E 50%, #1B3A1B 100%); }
.db-slide-bg-5 { background: linear-gradient(135deg, #0D1117 0%, #2D1B00 50%, #003D33 100%); }
.db-slide-bg-6 { background: linear-gradient(135deg, #1A0A0A 0%, #1A2A3A 50%, #003D33 100%); }
.db-meta-icon { vertical-align: -1px; }
.db-page-ellipsis { border: none; background: none; cursor: default; }
.db-ad-sponsored { font-family: var(--db-font-mono); font-size: 0.8rem; color: var(--db-text-secondary); margin-bottom: 8px; }
.db-ad-title { font-size: 0.9rem; font-weight: 600; color: var(--db-text-primary); margin-bottom: 4px; }
.db-ad-sub { font-size: 0.75rem; color: var(--db-text-secondary); }
.db-section-spaced { margin-top: 40px; }
.db-section-spaced-sm { margin-top: 32px; }
.db-lang-dot-python { background: #3776AB; }

/* ========================================================================
   Responsive
   ======================================================================== */
@media (max-width: 1200px) {
  .db-home-layout, .db-list-layout, .db-tag-page-grid { grid-template-columns: 1fr; }
  .db-sidebar { position: static; flex-direction: row; flex-wrap: wrap; }
  .db-sidebar-card { flex: 1; min-width: 260px; }
  .db-post-layout { grid-template-columns: 1fr; }
  .db-toc { position: static; max-height: none; margin-bottom: 24px; padding-left: 0; border-left: none; border-top: 1px solid var(--db-border-muted); padding-top: 20px; }
  .db-toc-list { flex-direction: row; flex-wrap: wrap; gap: 4px; }
  .db-toc-item a { border-left: none; border-bottom: 2px solid transparent; }
  .db-toc-item.active a { border-left: none; border-bottom-color: var(--db-accent); }
  .db-toc-item.h3 a { padding-left: 10px; }
}
@media (max-width: 900px) {
  .db-hero-slogan { font-size: 1.75rem; }
  .db-post-title { font-size: 1.75rem; }
  .db-post-body h2 { font-size: 1.5rem; }
  .db-post-body h3 { font-size: 1.125rem; }
  .db-article-cover { width: 120px; height: 80px; font-size: 1.2rem; }
  .db-profile-header { flex-direction: column; text-align: center; }
  .db-profile-stats { justify-content: center; }
}
@media (max-width: 768px) {
  .db-nav { padding: 0 12px; }
  .db-nav-cats { display: none; }
  .db-search-trigger .db-search-text { display: none; }
  .db-menu-toggle { display: flex; }
  .db-hero { padding: 40px 16px 28px; }
  .db-hero-slogan { font-size: 1.5rem; }
  .db-slideshow { padding: 0 12px; }
  .db-slide-title { font-size: 1rem; }
  .db-slide-summary { display: none; }
  .db-home-layout, .db-list-layout, .db-tag-page-grid { padding: 0 12px 48px; gap: 24px; }
  .db-article-card { padding: 16px; gap: 12px; }
  .db-article-cover { width: 100px; height: 70px; font-size: 1rem; }
  .db-article-title { font-size: 0.9375rem; }
  .db-sidebar { flex-direction: column; }
  .db-post-layout { padding: 24px 12px 48px; }
  .db-post-body { font-size: 15px; }
  .db-post-title { font-size: 1.375rem; }
  .db-post-body h2 { font-size: 1.25rem; }
  .db-code-body { font-size: 0.75rem; }
  .db-line-numbers { display: none; }
  .db-post-actions { flex-wrap: wrap; }
  .db-footer-row { flex-direction: column; align-items: flex-start; }
  .db-profile-header { padding: 24px 16px; }
  .db-login-card { padding: 32px 20px; }
}
@media (max-width: 480px) {
  .db-hero-slogan { font-size: 1.25rem; }
  .db-article-cover { display: none; }
  .db-pagination { gap: 2px; }
  .db-page-jump { display: none; }
  .db-social-row { flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* ========================================================================
   DeepBlog Template — Yii 集成补充样式
   ======================================================================== */
.db-page { padding-top: var(--db-nav-h); min-height: calc(100vh - var(--db-nav-h)); }
.db-flash-wrap .alert { margin-bottom: 0; border-radius: 8px; font-size: 0.875rem; }
.db-nav-user { display: flex; align-items: center; gap: 6px; }
.db-btn-admin, .db-btn-logout { padding: 4px 10px !important; font-size: 0.75rem !important; }
.db-empty-hint, .db-empty-state { color: var(--db-text-secondary); font-size: 0.875rem; padding: 12px 0; }
.db-empty-state-sm { padding: 8px 0; }
.db-badge-pinned { color: var(--db-warm); font-size: 0.75rem; font-weight: 600; }
.db-article-cover-img { padding: 0; overflow: hidden; background: var(--db-bg-secondary); }
.db-article-cover-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.db-article-card--no-cover { grid-template-columns: 1fr; }
.db-hot-item-link { text-decoration: none; color: inherit; display: flex; gap: 10px; padding: 8px 0; border-bottom: 1px solid var(--db-border-muted); }
.db-hot-item-link:last-child { border-bottom: none; }
.db-hot-item-link:hover .db-hot-title { color: var(--db-accent); }
.db-slide-link { display: block; color: inherit; text-decoration: none; height: 100%; }
.db-slide-bg-img { background-size: cover; background-position: center; }
.db-top-announcement { background: var(--db-accent-dim); border-bottom: 1px solid var(--db-border-muted); padding: 6px 16px; text-align: center; font-size: 0.8125rem; }
.db-top-announcement a { color: var(--db-accent); }
.db-pagination-wrap { margin-top: 8px; }
.db-pagination-wrap .custom-pagination-wrapper { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 8px; }
.db-pagination-wrap .pagination.db-pagination-list { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 4px; list-style: none; padding: 32px 0; margin: 0; }
.db-pagination-wrap .pagination.db-pagination-list .page-item { list-style: none; }
.db-pagination-wrap .pagination.db-pagination-list .page-link { display: inline-flex; align-items: center; justify-content: center; min-width: 36px; height: 36px; padding: 0 10px; border-radius: 8px; border: 1px solid var(--db-border-default); background: var(--db-bg-secondary); color: var(--db-text-secondary); text-decoration: none; font-size: 0.875rem; transition: all var(--db-dur-quick) var(--db-ease); }
.db-pagination-wrap .pagination.db-pagination-list .page-item.active .page-link { background: var(--db-accent-dim); border-color: var(--db-accent); color: var(--db-accent); }
.db-pagination-wrap .pagination.db-pagination-list .page-item.disabled .page-link { opacity: 0.45; cursor: not-allowed; }
.db-pagination-wrap .page-jump-input { display: flex; align-items: center; gap: 6px; font-size: 0.8125rem; color: var(--db-text-secondary); margin-left: 8px; }
.db-pagination-wrap .page-jump-input .jump-input { width: 48px; padding: 4px 8px; border-radius: 6px; border: 1px solid var(--db-border-default); background: var(--db-bg-secondary); color: var(--db-text-primary); text-align: center; }
.db-search-highlight { background: var(--db-accent-dim); color: var(--db-accent); padding: 0 2px; border-radius: 2px; }
.db-modal { display: none; position: fixed; inset: 0; z-index: 2000; background: rgba(0,0,0,0.6); align-items: center; justify-content: center; padding: 16px; }
.db-modal.show { display: flex; }
.db-modal-box { background: var(--db-bg-secondary); border: 1px solid var(--db-border-default); border-radius: 12px; width: 100%; max-width: 480px; max-height: 90vh; overflow-y: auto; box-shadow: 0 20px 60px rgba(0,0,0,0.4); }
.db-modal-wechat { max-width: 520px; }
.db-modal-header { display: flex; align-items: center; justify-content: space-between; padding: 16px 20px; border-bottom: 1px solid var(--db-border-muted); }
.db-modal-header h5 { margin: 0; font-size: 1rem; }
.db-modal-close { background: none; border: none; color: var(--db-text-secondary); font-size: 1.5rem; cursor: pointer; line-height: 1; }
.db-modal-body { padding: 20px; }
.db-alert { padding: 12px 16px; border-radius: 8px; font-size: 0.875rem; }
.db-alert-warning { background: rgba(255,107,53,0.12); border: 1px solid rgba(255,107,53,0.3); color: var(--db-warm); }
.db-form-error { color: var(--db-warm); font-size: 0.75rem; margin-top: 4px; }
.db-captcha-row { display: flex; gap: 10px; align-items: center; }
.db-captcha-img { border-radius: 6px; cursor: pointer; }
.db-btn-sm { padding: 8px 16px !important; font-size: 0.8125rem !important; }
.db-btn-ghost { background: transparent; border: 1px solid var(--db-border-default); color: var(--db-text-secondary); border-radius: 8px; cursor: pointer; }
.db-post-share-row { display: flex; gap: 8px; margin-top: 12px; flex-wrap: wrap; }
.db-post-summary { margin: 20px 0; padding: 16px; border-left: 3px solid var(--db-accent); background: var(--db-accent-dim); border-radius: 0 8px 8px 0; }
.db-post-summary-title { font-weight: 600; margin-bottom: 8px; color: var(--db-accent); }
.db-post-sidebar-row { max-width: var(--db-layout-max); margin: 0 auto; padding: 0 24px 48px; display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; }
.db-wechat-source-link { display: block; padding: 16px; border: 1px solid var(--db-border-default); border-radius: 8px; color: inherit; text-decoration: none; }
.db-wechat-source-link:hover { border-color: var(--db-accent); }
.db-comments { margin-top: 48px; padding-top: 32px; border-top: 1px solid var(--db-border-muted); }
.db-comments-title { font-size: 1.25rem; margin-bottom: 20px; }
.db-comment-form { margin-bottom: 24px; }
.db-comment-form-title { font-size: 1rem; margin-bottom: 12px; }
.db-comment-textarea { width: 100%; min-height: 100px; resize: vertical; margin-bottom: 12px; }
.db-comment-item { padding: 16px 0; border-bottom: 1px solid var(--db-border-muted); }
.db-comment-header { display: flex; gap: 12px; align-items: baseline; margin-bottom: 8px; }
.db-comment-author { font-weight: 600; color: var(--db-text-primary); }
.db-comment-time { font-size: 0.75rem; color: var(--db-text-tertiary); }
.db-comment-content { font-size: 0.9375rem; line-height: 1.7; margin-bottom: 8px; }
.db-comment-actions { display: flex; gap: 12px; align-items: center; }
.db-comment-action { background: none; border: none; color: var(--db-text-secondary); cursor: pointer; font-size: 0.8125rem; padding: 0; }
.db-comment-action.active, .db-comment-action:hover { color: var(--db-accent); }
.db-reply-form { margin-top: 12px; }
.db-reply-actions { display: flex; gap: 8px; margin-top: 8px; }
.db-child-comments { margin-top: 12px; padding-left: 16px; border-left: 2px solid var(--db-border-muted); }
.db-profile-comment-list { display: flex; flex-direction: column; gap: 16px; }
.db-profile-comment-item { padding: 16px; border: 1px solid var(--db-border-muted); border-radius: 8px; background: var(--db-glass-bg); }
.db-profile-comment-head { display: flex; justify-content: space-between; gap: 12px; margin-bottom: 8px; flex-wrap: wrap; }
.db-profile-comment-post { font-weight: 600; color: var(--db-accent); text-decoration: none; }
.db-profile-comment-meta { font-size: 0.75rem; color: var(--db-text-tertiary); margin-top: 8px; }
.db-badge { font-size: 0.7rem; padding: 2px 8px; border-radius: 999px; background: var(--db-accent-dim); color: var(--db-accent); }
.db-profile-tabs .db-profile-tab { text-decoration: none; }
.db-cat-item.active span:first-child { color: var(--db-accent); }
#dbTocAside:empty, #dbTocList:empty { display: none; }
.db-post-body img { max-width: 100%; height: auto; border-radius: 8px; }
.db-post-body pre { background: var(--db-code-bg); border: 1px solid var(--db-code-border); border-radius: 8px; padding: 16px; overflow-x: auto; }
.db-post-body code { background: var(--db-inline-code-bg); padding: 0.15em 0.35em; border-radius: 4px; font-family: var(--db-font-mono); font-size: 0.9em; }
.db-post-body pre code { background: none; padding: 0; }
.db-post-body blockquote { border-left: 3px solid var(--db-accent); padding-left: 16px; margin: 1.5rem 0; color: var(--db-text-secondary); }
.db-post-body table { width: 100%; border-collapse: collapse; margin: 1rem 0; }
.db-post-body th, .db-post-body td { border: 1px solid var(--db-border-default); padding: 8px 12px; }
.db-post-body th { background: var(--db-bg-secondary); }
#qrcode-container { min-height: 200px; display: flex; align-items: center; justify-content: center; }