:root {
  --bg0: #0f1419;
  --bg1: #1a2332;
  --bg2: #243044;
  --ink: #eef3f8;
  --muted: #9aafc2;
  --accent: #e8a54b;
  --accent2: #3db8a8;
  --line: rgba(238, 243, 248, 0.12);
  --card: rgba(26, 35, 50, 0.72);
  --radius: 14px;
  --max: 1100px;
  --font-display: "Noto Serif SC", "Source Han Serif SC", "Songti SC", Georgia, serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(61, 184, 168, 0.18), transparent 55%),
    radial-gradient(900px 500px at 90% 0%, rgba(232, 165, 75, 0.16), transparent 50%),
    linear-gradient(180deg, var(--bg0), var(--bg1) 40%, var(--bg0));
  min-height: 100vh;
}
a { color: var(--accent2); text-decoration: none; }
a:hover { color: var(--accent); }
img { max-width: 100%; height: auto; display: block; }
.wrap { width: min(100% - 2rem, var(--max)); margin-inline: auto; }

.site-header {
  position: sticky; top: 0; z-index: 20;
  backdrop-filter: blur(12px);
  background: rgba(15, 20, 25, 0.78);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding: .9rem 0;
}
.brand {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.4vw, 1.85rem);
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--ink);
}
.brand span { color: var(--accent); }
.nav { display: flex; flex-wrap: wrap; gap: .85rem 1.1rem; }
.nav a { color: var(--muted); font-size: .95rem; }
.nav a:hover { color: var(--ink); }

.hero {
  padding: clamp(2.2rem, 6vw, 4.5rem) 0 clamp(1.5rem, 3vw, 2.5rem);
  animation: rise .7s ease both;
}
.hero h1 {
  margin: 0 0 .75rem;
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1.2;
  max-width: 14ch;
}
.hero p {
  margin: 0;
  color: var(--muted);
  max-width: 36ch;
  font-size: 1.05rem;
}

.section { padding: 1.25rem 0 2.5rem; }
.section-title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  margin: 0 0 1rem;
  letter-spacing: .03em;
}

.post-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.1rem;
}
.post-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform .2s ease, border-color .2s ease;
}
.post-card:hover {
  transform: translateY(-3px);
  border-color: rgba(232, 165, 75, .45);
}
.post-card .thumb {
  aspect-ratio: 16/10;
  background: var(--bg2);
  object-fit: cover;
  width: 100%;
}
.post-card .body { padding: .9rem 1rem 1.1rem; }
.post-card h2 {
  margin: 0 0 .4rem;
  font-size: 1.05rem;
  line-height: 1.4;
  font-family: var(--font-display);
}
.post-card h2 a { color: var(--ink); }
.post-card .meta { color: var(--muted); font-size: .82rem; }
.post-card .excerpt {
  margin: .55rem 0 0;
  color: var(--muted);
  font-size: .9rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.breadcrumbs {
  color: var(--muted);
  font-size: .88rem;
  margin: 1.2rem 0 .6rem;
}
.breadcrumbs a { color: var(--muted); }
.single-main, .page-main, .archive-main { padding-bottom: 3rem; }
.entry {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(1.2rem, 3vw, 2rem);
  animation: rise .55s ease both;
}
.entry h1 {
  margin: 0 0 .6rem;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.5vw, 2.3rem);
  line-height: 1.25;
}
.entry-meta { color: var(--muted); font-size: .9rem; margin-bottom: 1.2rem; }
.entry-content { font-size: 1.05rem; }
.entry-content h2, .entry-content h3 {
  font-family: var(--font-display);
  margin-top: 1.6rem;
}
.entry-content p { margin: 0 0 1rem; }
.entry-content a { text-decoration: underline; text-underline-offset: 2px; }

.pagination { display: flex; gap: .6rem; flex-wrap: wrap; margin-top: 1.5rem; }
.pagination a, .pagination span {
  padding: .35rem .7rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: .9rem;
}
.pagination .current { color: var(--bg0); background: var(--accent); border-color: var(--accent); }

.site-footer {
  border-top: 1px solid var(--line);
  padding: 1.5rem 0 2rem;
  color: var(--muted);
  font-size: .88rem;
}
.site-footer .brand-mini {
  font-family: var(--font-display);
  color: var(--ink);
  margin-bottom: .35rem;
}

.search-form { display: flex; gap: .5rem; margin: 1rem 0 1.5rem; }
.search-form input[type="search"] {
  flex: 1;
  border: 1px solid var(--line);
  background: rgba(15,20,25,.55);
  color: var(--ink);
  border-radius: 999px;
  padding: .65rem 1rem;
}
.search-form button {
  border: 0;
  border-radius: 999px;
  padding: .65rem 1.1rem;
  background: var(--accent);
  color: #1a1205;
  font-weight: 600;
  cursor: pointer;
}

@keyframes rise {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: none; }
}

@media (max-width: 640px) {
  .header-inner { flex-direction: column; align-items: flex-start; }
  .hero h1 { max-width: none; }
}

.nav .menu, .nav ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: .85rem 1.1rem; }
.nav li { margin: 0; }
.nav .menu a { color: var(--muted); }
.nav .menu a:hover { color: var(--ink); }