/* 小鲸鱼的随笔 v2 · 蓝白 */
:root {
  --ink: #12283d;
  --ink-soft: #46617c;
  --muted: #7d93aa;
  --blue: #1d6fb8;
  --blue-soft: #e8f2fc;
  --line: #dbe7f2;
  --paper: #f5faffe6;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background:
    radial-gradient(1100px 420px at 50% -12%, #d9ecff 0%, transparent 62%),
    #f4f9ff;
  color: var(--ink);
  font: 16px/1.75 -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
}

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

.wrap { max-width: 1040px; margin: 0 auto; padding: 0 20px; }

/* 顶栏 */
.topbar {
  position: sticky; top: 0; z-index: 10;
  background: rgba(255, 255, 255, .82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.topbar .wrap {
  display: flex; align-items: center; gap: 20px;
  height: 62px;
}
.brand { font-weight: 700; font-size: 18px; color: var(--ink); }
.nav { display: flex; gap: 16px; font-size: 14px; }
.nav a { color: var(--ink-soft); }
.search { margin-left: auto; display: flex; }
.search input {
  width: 150px; padding: 8px 12px; font: inherit; font-size: 14px;
  border: 1px solid var(--line); border-radius: 10px 0 0 10px; outline: none;
  background: #fff;
}
.search input:focus { border-color: var(--blue); }
.search button {
  padding: 0 14px; font: inherit; font-size: 14px; color: #fff;
  background: var(--blue); border: 0; border-radius: 0 10px 10px 0; cursor: pointer;
}

/* 布局 */
.layout {
  display: grid; grid-template-columns: minmax(0, 1fr) 260px;
  gap: 32px; padding-top: 34px; padding-bottom: 60px;
}
.headline { font-size: 27px; margin: 0 0 4px; }
.sub { color: var(--muted); font-size: 14px; margin: 0 0 24px; }
.empty { color: var(--muted); }

/* 列表卡片 */
.card {
  background: #fff; border: 1px solid var(--line); border-radius: 14px;
  padding: 20px 22px; margin-bottom: 14px;
  transition: transform .16s ease, box-shadow .16s ease, border-color .16s ease;
}
.card:hover {
  transform: translateY(-3px);
  border-color: #c3dcf2;
  box-shadow: 0 10px 26px rgba(29, 111, 184, .1);
}
.card h2 { font-size: 19px; margin: 0 0 6px; line-height: 1.45; }
.card h2 a { color: var(--ink); }
.card h2 a:hover { color: var(--blue); text-decoration: none; }
.meta { color: var(--muted); font-size: 13px; margin: 0 0 10px; }
.brief { color: var(--ink-soft); margin: 0 0 8px; font-size: 15px; }
.tg { font-size: 13px; color: var(--muted); margin: 0; }
.tg a { color: #4a86bd; }

/* 单篇 */
.post {
  background: #fff; border: 1px solid var(--line); border-radius: 16px;
  padding: 30px 30px 26px;
}
.post h1 { font-size: 26px; margin: 0 0 6px; line-height: 1.4; }
.post .body { font-size: 16.5px; color: #1b2f43; margin: 20px 0 26px; }
.post .body p { margin: 0 0 14px; }

/* 分页 */
.pager { display: flex; gap: 8px; margin-top: 22px; font-size: 14px; }
.pager a, .pager span {
  min-width: 34px; text-align: center; padding: 6px 10px;
  border: 1px solid var(--line); border-radius: 9px; background: #fff;
}
.pager .cur { background: var(--blue); border-color: var(--blue); color: #fff; }

/* 侧栏 */
.side { position: sticky; top: 86px; align-self: start; }
.box {
  background: #fff; border: 1px solid var(--line); border-radius: 14px;
  padding: 16px 18px; margin-bottom: 14px;
}
.box h3 {
  font-size: 14px; color: var(--muted); font-weight: 600;
  margin: 0 0 10px; letter-spacing: .04em;
}
.plain { list-style: none; margin: 0; padding: 0; font-size: 14px; }
.plain li {
  display: flex; justify-content: space-between; gap: 10px;
  padding: 5px 0; border-bottom: 1px dashed #edf3f9;
}
.plain li:last-child { border-bottom: 0; }
.plain li span { color: var(--muted); font-size: 12px; }
.cloud { margin: 0; line-height: 2.2; }
.cloud a { margin-right: 6px; color: #3f7cb5; }
.cloud .big { font-size: 16px; font-weight: 600; }
.cloud .mid { font-size: 14.5px; }
.cloud .small { font-size: 13px; color: #6f93b4; }

.foot {
  border-top: 1px solid var(--line);
  padding: 22px 0 40px; color: var(--muted); font-size: 13px; text-align: center;
}
.foot p { margin: 0; }

@media (max-width: 820px) {
  .layout { grid-template-columns: 1fr; gap: 22px; padding-top: 22px; }
  .side { position: static; }
  .topbar .wrap { flex-wrap: wrap; height: auto; padding-top: 10px; padding-bottom: 10px; gap: 10px; }
  .search { margin-left: 0; width: 100%; }
  .search input { flex: 1; width: auto; }
  .post { padding: 22px 18px; }
  .card { padding: 16px 16px; }
}

/* 归档页 */
.ym {
  font-size: 16px; color: var(--ink-soft); margin: 26px 0 8px;
  padding-bottom: 6px; border-bottom: 1px dashed #e6eff7;
  display: flex; justify-content: space-between; align-items: baseline;
}
.ym .cnt { font-size: 12px; color: var(--muted); font-weight: 400; }
.arch { list-style: none; margin: 0; padding: 0; }
.arch li { display: flex; gap: 12px; align-items: baseline; padding: 6px 0; }
.arch .day { color: var(--muted); font-size: 13px; min-width: 22px; }

/* 关于页里的链接列表 */
.links { margin: 6px 0 18px; padding-left: 20px; color: #46617c; }
.links li { margin: 6px 0; }
.links a { color: var(--blue); }