:root {
  --bg: #FAF8F3;
  --paper: #FFFFFF;
  --ink: #2A2A2A;
  --muted: #8A8378;
  --band-left: #E8E0F0;
  --band-right: #F0C8D6;
  --accent: #B39CD0;
  --max: 720px;
  --band-w: 64px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Source Han Sans SC", "Noto Sans SC", "PingFang SC",
    "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
  font-size: 1rem;
  line-height: 1.9;
}

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

/* ---- 两侧竖向色带 ---- */
.band {
  position: fixed;
  top: 0;
  bottom: 0;
  width: var(--band-w);
  z-index: 0;
  pointer-events: none;
}
.band-left { left: 0; background: linear-gradient(90deg, var(--band-left), transparent); }
.band-right { right: 0; background: linear-gradient(270deg, var(--band-right), transparent); }

/* ---- 页头 ---- */
.site-header {
  position: relative;
  z-index: 1;
  max-width: var(--max);
  margin: 0 auto;
  padding: 2rem 1.25rem 1rem;
  text-align: center;
}
.site-title { font-size: 1.5rem; font-weight: 700; letter-spacing: 0.05em; }
.site-nav { margin-top: 0.75rem; }
.site-nav a { margin: 0 0.75rem; color: var(--muted); font-size: 0.95rem; }
.site-nav a:hover { color: var(--accent); }
.site-nav a.is-current { color: var(--ink); font-weight: 600; }

/* ---- 正文区：居中白底卡片 ---- */
.content {
  position: relative;
  z-index: 1;
  max-width: var(--max);
  margin: 1rem auto 3rem;
  padding: 2.5rem;
  background: var(--paper);
  border-radius: 8px;
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.05);
}

/* ---- 首页圈子大卡片 ---- */
.circle-grid { display: flex; flex-direction: column; gap: 1.5rem; }
.circle-card {
  display: flex;
  align-items: stretch;
  border: 1px solid #EEE9E0;
  border-radius: 10px;
  overflow: hidden;
  background: var(--paper);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.circle-card:hover { transform: translateY(-3px); box-shadow: 0 6px 24px rgba(0, 0, 0, 0.09); }
.circle-card-img { flex: 0 0 40%; background: var(--band-left); }
.circle-card-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.circle-card-body { flex: 1; padding: 1.75rem; display: flex; flex-direction: column; justify-content: center; }
.circle-card-title { font-size: 1.6rem; font-weight: 700; margin: 0 0 0.6rem; }
.circle-card-intro { font-size: 0.95rem; line-height: 1.8; color: #555; margin: 0; }

/* ---- 卡片网格 ---- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.25rem;
}
.card {
  display: flex;
  flex-direction: column;
  border: 1px solid #EEE9E0;
  border-radius: 8px;
  overflow: hidden;
  background: var(--paper);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.card:hover { transform: translateY(-3px); box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08); }
.card-thumb { aspect-ratio: 4 / 3; overflow: hidden; background: var(--band-left); }
.card-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.card-body { padding: 1rem; flex: 1; }
.card-title { font-size: 1.1rem; font-weight: 700; margin: 0 0 0.35rem; line-height: 1.4; }
.card-date { display: block; font-size: 0.8rem; color: var(--muted); margin-bottom: 0.5rem; }
.card-summary { font-size: 0.9rem; line-height: 1.7; color: #555; margin: 0.5rem 0 0; }
.card-meta { display: flex; flex-wrap: wrap; gap: 0.35rem; margin-top: 0.75rem; }
.card-tag, .card-fandom, .card-tagchip {
  font-size: 0.72rem;
  border-radius: 4px;
  padding: 0.05rem 0.4rem;
  line-height: 1.6;
}
.card-tag { color: var(--muted); border: 1px solid #EEE9E0; }
.card-fandom { color: #6E5A8C; background: var(--band-left); }
.card-tagchip { color: #A05A72; background: var(--band-right); }

/* ---- 列表页 ---- */
.page-title { font-size: 2rem; font-weight: 700; margin: 0 0 1.5rem; }
.section-intro { color: var(--muted); margin-bottom: 1.5rem; }

/* ---- 详情页 ---- */
.post-header { text-align: center; margin-bottom: 2rem; }
.post-title { font-size: 2rem; font-weight: 700; line-height: 1.4; margin: 0 0 0.5rem; }
.post-date { color: var(--muted); font-size: 0.9rem; }
.post-meta { margin-top: 0.6rem; font-size: 0.85rem; }
.post-meta a { color: #6E5A8C; margin: 0 0.3rem; }
.post-meta a.post-tag { color: #A05A72; }
.post-meta a:hover { color: var(--accent); }

/* 响应式 16:9 视频 */
.video-embed { position: relative; padding-bottom: 56.25%; height: 0; margin: 1.5rem 0; border-radius: 6px; overflow: hidden; }
.video-embed iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.post-art { margin: 0 0 2rem; text-align: center; }
.post-art img { max-width: 100%; height: auto; border-radius: 6px; }
.post-art figcaption { color: var(--muted); font-size: 0.9rem; margin-top: 0.75rem; }
.post-body { font-size: 1rem; line-height: 1.9; }
.post-body p { margin: 0 0 1.4em; }
.post-body h2 { font-size: 1.4rem; margin: 2em 0 0.8em; }
.post-body img { max-width: 100%; height: auto; border-radius: 6px; }

/* ---- 上/下一篇 ---- */
.post-nav {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin: 3rem 0 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid #EEE9E0;
  font-size: 0.95rem;
}
.post-nav a:hover { color: var(--accent); }
.post-nav-next { text-align: right; margin-left: auto; }

#waline { margin-top: 2rem; }

/* ---- 页脚 ---- */
.site-footer {
  position: relative;
  z-index: 1;
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
  padding: 1rem 1.25rem 3rem;
}

/* ---- 窄屏：隐藏色带、收窄留白 ---- */
@media (max-width: 900px) {
  .band { display: none; }
}
@media (max-width: 600px) {
  .content { padding: 1.5rem; margin: 0.5rem 0.75rem 2rem; }
  .circle-card { flex-direction: column; }
  .circle-card-img { flex-basis: auto; aspect-ratio: 16 / 9; }
  .post-title, .page-title { font-size: 1.6rem; }
  .post-nav { flex-direction: column; }
  .post-nav-next { text-align: left; margin-left: 0; }
}