:root {
  --bg-0: #0a0f16;
  --bg-1: #101824;
  --text: #e6edf5;
  --muted: #96a3b7;
  --line: rgba(230, 237, 245, 0.1);
  --sky: #7e9cc9;
  --olive: #95aa70;
  --amber: #cfb07f;
  --accent: #e8a17a;
  --radius: 20px;
  --font-display: "Sora", sans-serif;
  --font-body: "Manrope", sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1.02rem;
  line-height: 1.65;
  background:
    radial-gradient(ellipse 80% 50% at 10% -10%, rgba(126, 156, 201, 0.14), transparent 55%),
    radial-gradient(ellipse 60% 40% at 90% 0%, rgba(149, 170, 112, 0.1), transparent 50%),
    linear-gradient(180deg, var(--bg-0), var(--bg-1));
  min-height: 100vh;
}

a { color: var(--sky); text-decoration: none; }
a:hover { text-decoration: underline; }

.zh-blog-wrap {
  width: min(820px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1.5rem 0 3rem;
}

.zh-blog-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.zh-blog-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--text);
  font-family: var(--font-display);
  font-weight: 700;
  text-decoration: none;
}

.zh-blog-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1rem;
  font-size: 0.92rem;
}

.zh-blog-nav a[aria-current="page"] {
  color: var(--text);
  font-weight: 600;
}

.zh-blog-kicker {
  margin: 0 0 0.65rem;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--amber);
}

.zh-blog-hero h1,
.zh-article h1 {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 4vw, 2.55rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.zh-blog-lead,
.zh-article__lead {
  margin: 0;
  font-size: 1.12rem;
  color: var(--muted);
  max-width: 42rem;
}

.zh-blog-list {
  display: grid;
  gap: 1rem;
}

.zh-blog-card {
  padding: 1.35rem 1.45rem;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: rgba(18, 28, 40, 0.72);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.22);
}

.zh-blog-card--featured {
  border-color: rgba(126, 156, 201, 0.28);
  background: linear-gradient(145deg, rgba(22, 34, 50, 0.92), rgba(14, 22, 34, 0.88));
}

.zh-blog-card__meta {
  margin: 0 0 0.55rem;
  font-size: 0.82rem;
  color: var(--muted);
}

.zh-blog-card h2 {
  margin: 0 0 0.65rem;
  font-family: var(--font-display);
  font-size: 1.35rem;
  line-height: 1.3;
}

.zh-blog-card h2 a { color: var(--text); text-decoration: none; }
.zh-blog-card h2 a:hover { color: var(--sky); }

.zh-blog-card p {
  margin: 0 0 0.85rem;
  color: var(--muted);
}

.zh-blog-card__more {
  display: inline-flex;
  font-weight: 600;
}

.zh-article h2 {
  margin: 2rem 0 0.75rem;
  font-family: var(--font-display);
  font-size: 1.35rem;
}

.zh-article p,
.zh-article li {
  color: #c8d4e4;
}

.zh-article ul,
.zh-article ol {
  margin: 0.5rem 0 1rem;
  padding-left: 1.25rem;
}

.zh-article__callout {
  margin: 1.75rem 0;
  padding: 1.1rem 1.2rem;
  border-radius: 0.9rem;
  border: 1px solid rgba(149, 170, 112, 0.28);
  background: rgba(149, 170, 112, 0.08);
}

.zh-article__callout p { margin: 0; }

.zh-article__cta {
  margin-top: 2.5rem;
  padding: 1.35rem 1.4rem;
  border-radius: var(--radius);
  border: 1px solid rgba(232, 161, 122, 0.25);
  background: rgba(232, 161, 122, 0.08);
}

.zh-article__cta p { margin: 0 0 1rem; font-weight: 600; }

.zh-article__cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.zh-blog-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.6rem;
  padding: 0.5rem 1.1rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--text);
  font-weight: 600;
  text-decoration: none;
}

.zh-blog-btn:hover { text-decoration: none; border-color: rgba(126, 156, 201, 0.4); }

.zh-blog-btn--primary {
  border: 0;
  color: #1a100c;
  background: linear-gradient(135deg, #f0c4a8, var(--accent) 45%, var(--sky));
}

.zh-blog-footer {
  margin-top: 3rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
  font-size: 0.88rem;
  color: var(--muted);
}

@media (max-width: 640px) {
  .zh-blog-top { flex-direction: column; align-items: flex-start; }
}