:root {
  --dp-primary: #2563eb;
  --dp-accent: #06b6d4;
  --dp-grad: linear-gradient(135deg, var(--dp-primary), var(--dp-accent));
  --dp-bg: #f8fafc;
  --dp-card: #ffffff;
  --dp-text: #0f172a;
  --dp-muted: #64748b;
  --dp-border: #e2e8f0;
  --dp-radius: 16px;
  --halo-search-widget-base-font-family: inherit;
  --halo-search-widget-base-rounded: 12px;
  --halo-search-widget-primary-color: var(--dp-primary);
  --halo-search-widget-muted-color: var(--dp-muted);
  --halo-search-widget-content-color: var(--dp-text);
  --halo-search-widget-modal-bg-color: var(--dp-card);
  --halo-search-widget-hit-bg-color: var(--dp-bg);
  --halo-search-widget-divider-color: var(--dp-border);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--dp-bg);
  color: var(--dp-text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.7;
}

a { color: var(--dp-primary); text-decoration: none; }
a:hover { color: var(--dp-accent); }

/* ---------- Header / Nav ---------- */
.dp-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--dp-border);
}
.dp-nav {
  max-width: 1100px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  gap: 28px;
}
.dp-nav .logo { display: flex; align-items: center; }
.dp-nav .logo img { height: 34px; }
.dp-nav .menu { display: flex; gap: 24px; }
.dp-nav .menu a { position: relative; padding: 4px 0; color: var(--dp-muted); font-size: 15px; transition: color .2s; }
.dp-nav .menu a:hover { color: var(--dp-primary); }
.dp-nav .menu a.active { color: var(--dp-primary); font-weight: 600; }
.dp-nav .menu a.active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -6px;
  height: 2px;
  border-radius: 2px;
  background: var(--dp-grad);
}
.dp-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 10px;
}
.dp-search {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--dp-border);
  background: #fff;
  color: var(--dp-muted);
  font: inherit;
  font-size: 14px;
  line-height: 1;
  padding: 9px 14px;
  border-radius: 999px;
  cursor: pointer;
  transition: color .2s, border-color .2s;
}
.dp-search:hover { color: var(--dp-primary); border-color: var(--dp-primary); }
.dp-search svg { width: 15px; height: 15px; flex: none; }
.dp-btn {
  display: inline-block;
  color: #fff !important;
  background: var(--dp-grad);
  padding: 8px 20px;
  border-radius: 999px;
  font-size: 14px;
  transition: opacity .2s;
}
.dp-btn:hover { opacity: .85; }

/* ---------- Hero ---------- */
.dp-hero {
  max-width: 1100px;
  margin: 0 auto;
  padding: 72px 24px 48px;
  text-align: center;
}
.dp-hero h1 {
  margin: 0 0 12px;
  font-size: 42px;
  letter-spacing: -0.02em;
}
.dp-hero h1 span {
  background: var(--dp-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.dp-hero p { margin: 0; color: var(--dp-muted); font-size: 17px; }

/* ---------- Layout ---------- */
.dp-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 32px;
}
.dp-container.no-sidebar { grid-template-columns: minmax(0, 1fr); }
.dp-main { min-width: 0; }

/* ---------- Post list ---------- */
.dp-posts { display: grid; gap: 20px; }
.dp-card {
  background: var(--dp-card);
  border: 1px solid var(--dp-border);
  border-radius: var(--dp-radius);
  padding: 26px 28px;
  transition: transform .2s, box-shadow .2s;
}
.dp-card:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(37, 99, 235, .08); }
.dp-card h2 { margin: 8px 0 10px; font-size: 22px; line-height: 1.4; }
.dp-card h2 a { color: var(--dp-text); }
.dp-card h2 a:hover { color: var(--dp-primary); }
.dp-card .excerpt { color: var(--dp-muted); margin: 0 0 16px; }
.dp-meta { display: flex; flex-wrap: wrap; gap: 14px; font-size: 13px; color: var(--dp-muted); }
.dp-badge {
  color: var(--dp-primary);
  background: rgba(37, 99, 235, .08);
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 12px;
}
.dp-tag {
  color: var(--dp-accent);
  background: rgba(6, 182, 212, .08);
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 12px;
}

/* ---------- Sidebar ---------- */
.dp-widget {
  background: var(--dp-card);
  border: 1px solid var(--dp-border);
  border-radius: var(--dp-radius);
  padding: 20px 22px;
  margin-bottom: 20px;
}
.dp-widget h3 { margin: 0 0 14px; font-size: 15px; }
.dp-widget ul { margin: 0; padding: 0; list-style: none; }
.dp-widget li { padding: 6px 0; border-bottom: 1px dashed var(--dp-border); font-size: 14px; }
.dp-widget li:last-child { border-bottom: none; }

/* ---------- Pagination ---------- */
.dp-pagination { display: flex; justify-content: space-between; padding: 28px 4px; }
.dp-page-btn {
  padding: 8px 18px;
  border: 1px solid var(--dp-border);
  border-radius: 999px;
  background: var(--dp-card);
  color: var(--dp-text);
}
.dp-page-btn:hover { border-color: var(--dp-primary); color: var(--dp-primary); }

/* ---------- Article ---------- */
.dp-article {
  background: var(--dp-card);
  border: 1px solid var(--dp-border);
  border-radius: var(--dp-radius);
  padding: 40px 44px;
}
.dp-article h1 { font-size: 32px; letter-spacing: -0.02em; margin: 12px 0 8px; }
.dp-article .content { overflow-wrap: break-word; }
.dp-article .content pre {
  background: #0b1220;
  color: #e2e8f0;
  border-radius: 10px;
  padding: 18px;
  overflow-x: auto;
}
.dp-article .content img { max-width: 100%; border-radius: 10px; }
.dp-article .content blockquote {
  margin: 0; padding: 4px 18px;
  border-left: 3px solid var(--dp-primary);
  color: var(--dp-muted); background: rgba(37, 99, 235, .04);
  border-radius: 0 10px 10px 0;
}

/* ---------- Footer ---------- */
.dp-footer {
  margin-top: 56px;
  border-top: 1px solid var(--dp-border);
  background: #0b1220;
  color: #94a3b8;
  text-align: center;
  padding: 40px 24px;
  font-size: 14px;
}
.dp-footer a { color: #60a5fa; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .dp-container { grid-template-columns: minmax(0, 1fr); }
  .dp-nav .menu { display: none; }
  .dp-hero { padding: 44px 20px 32px; }
  .dp-hero h1 { font-size: 30px; }
  .dp-article { padding: 26px 20px; }
}
@media (max-width: 600px) {
  .dp-nav { gap: 16px; padding: 12px 16px; }
  .dp-actions { gap: 8px; }
  .dp-search { padding: 9px; }
  .dp-search span { display: none; }
  .dp-btn { padding: 8px 16px; }
}