:root {
  --paper: #f8f2e2;
  --ink: #2a241b;
  --dim: #7c705c;
  --line: #e0d6c0;
  --card: #fffdf7;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 32px 18px 56px;
  background-color: var(--paper);
  background-image: radial-gradient(circle at 12% 8%, rgba(255, 255, 255, .7), transparent 45%),
                    radial-gradient(circle at 88% 4%, rgba(255, 255, 255, .5), transparent 40%);
  color: var(--ink);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
  line-height: 1.7;
}

/* 正文至少占满一屏：备案号页脚自然落在首屏之下（滚动可见，不做隐藏） */
main {
  max-width: 720px;
  margin: 0 auto;
  min-height: calc(100vh - 88px);
  min-height: calc(100svh - 88px);
  display: flex;
  flex-direction: column;
}

.site-head { margin-bottom: 28px; }

.kicker {
  margin: 0;
  font-size: 13px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--dim);
}

h1 {
  margin: 6px 0 8px;
  font-size: clamp(26px, 6vw, 34px);
  letter-spacing: .12em;
  font-weight: 600;
}

.lead { margin: 0; color: var(--dim); font-size: 15px; }

.list { display: flex; flex-direction: column; gap: 14px; flex: 1; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  justify-content: space-between;
}

.card .meta { min-width: 0; flex: 1 1 260px; }

.card h2 {
  margin: 0 0 4px;
  font-size: 17px;
  font-weight: 600;
  word-break: break-word;
}

.card .note { margin: 0; font-size: 14px; color: var(--dim); word-break: break-word; }

.card .tags { margin: 8px 0 0; display: flex; flex-wrap: wrap; gap: 8px; }

.tag {
  font-size: 12px;
  color: var(--dim);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 1px 9px;
}

.tag.code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }

.card .go {
  flex: 0 0 auto;
  display: inline-block;
  padding: 9px 20px;
  border-radius: 999px;
  background: var(--ink);
  color: var(--paper);
  text-decoration: none;
  font-size: 14px;
  letter-spacing: .06em;
}

.card .go:hover { opacity: .86; }

.empty {
  border: 1px dashed var(--line);
  border-radius: 12px;
  padding: 34px 18px;
  text-align: center;
  color: var(--dim);
}

.empty p { margin: 0; }
.empty .big { font-size: 17px; color: var(--ink); margin-bottom: 6px; }

.site-foot {
  margin-top: 34px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 14px;
}

.site-foot a { color: var(--ink); }
.site-foot .dim { color: var(--dim); margin: 6px 0 0; }