/* ============================================================
   玻璃档案馆 · 博客阅读页共享样式
   与 v2-glass-archive.html 同一设计系统
   ============================================================ */
:root {
  --space-0: #06080f;
  --space-1: #0a0e1a;
  --line: rgba(180, 200, 235, 0.14);
  --line-soft: rgba(180, 200, 235, 0.08);
  --text-hi: #e8edf8;
  --text-mid: #a8b6cf;
  --text-low: #5d6a85;
  --blue: #8fb8ff;
  --bloom: #c97fa6;
  --serif: "Noto Serif SC", "Songti SC", "STSong", serif;
  --latin: "Cormorant Garamond", "Noto Serif SC", serif;
  --mono: "IBM Plex Mono", "Cascadia Code", monospace;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  background: var(--space-0);
  color: var(--text-hi);
  font-family: var(--serif);
  font-weight: 300;
  line-height: 2.05;
}
::selection { background: rgba(143, 184, 255, 0.3); }

.grain {
  position: fixed; inset: 0; z-index: 50; pointer-events: none; opacity: 0.045;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='0.9'/%3E%3C/svg%3E");
}

/* 顶栏 */
.topbar {
  position: sticky; top: 0; z-index: 30;
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 40px;
  background: rgba(6, 8, 15, 0.82);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line-soft);
}
.topbar .mark { font-family: var(--latin); font-style: italic; font-size: 18px; color: var(--text-hi); text-decoration: none; }
.topbar .mark span { font-family: var(--mono); font-style: normal; font-size: 9px; letter-spacing: 0.28em; color: var(--text-low); margin-left: 10px; vertical-align: 2px; }
.topbar .back {
  font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.2em;
  color: var(--text-mid); text-decoration: none;
  transition: color 0.3s ease;
}
.topbar .back:hover { color: var(--blue); }

/* 文章头 */
.article-head { max-width: 760px; margin: 90px auto 70px; padding: 0 28px; }
.article-head .kicker {
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.32em; color: var(--bloom);
  display: flex; align-items: center; gap: 12px;
}
.article-head .kicker::before { content: ""; width: 30px; height: 1px; background: var(--bloom); opacity: 0.7; }
.article-head h1 {
  font-size: clamp(30px, 4.6vw, 44px); font-weight: 300; line-height: 1.6;
  letter-spacing: 0.05em; margin-top: 26px;
}
.article-head .meta {
  display: flex; gap: 28px; flex-wrap: wrap; margin-top: 26px;
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.2em; color: var(--text-low);
}

/* 正文 */
.prose { max-width: 760px; margin: 0 auto; padding: 0 28px 60px; }
.prose > * + * { margin-top: 1.6em; }
.prose p { font-size: 15.5px; color: var(--text-mid); }
.prose strong, .prose b { font-weight: 500; color: var(--text-hi); }
.prose em { font-style: normal; color: var(--text-hi); border-bottom: 1px solid rgba(143, 184, 255, 0.35); }
.prose a { color: var(--blue); text-decoration: none; border-bottom: 1px dashed rgba(143, 184, 255, 0.4); word-break: break-all; }
.prose a:hover { border-bottom-style: solid; }
.prose h2 {
  font-size: 24px; font-weight: 400; letter-spacing: 0.1em; color: var(--text-hi);
  margin-top: 3em; padding-top: 2em; border-top: 1px solid var(--line-soft);
  display: flex; align-items: baseline; gap: 16px;
}
.prose h2 .n { font-family: var(--latin); font-style: italic; font-weight: 300; font-size: 17px; color: var(--text-low); }
.prose h3 { font-size: 18px; font-weight: 500; letter-spacing: 0.06em; color: var(--text-hi); margin-top: 2.4em; }
.prose ul, .prose ol { padding-left: 1.6em; color: var(--text-mid); font-size: 15px; }
.prose li { margin-top: 0.7em; }
.prose li::marker { color: var(--text-low); }
.prose blockquote {
  border-left: 2px solid var(--bloom); padding: 4px 0 4px 22px;
  color: var(--text-mid); font-size: 14.5px;
  background: linear-gradient(90deg, rgba(201, 127, 166, 0.06), transparent 70%);
}
.prose hr { border: none; height: 1px; background: var(--line-soft); margin: 3.2em auto; max-width: 200px; }
.prose img {
  display: block; max-width: 100%; margin: 2.2em auto;
  border: 1px solid var(--line);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
}
.prose figure { margin: 2.2em 0; }
.prose figcaption {
  text-align: center; font-family: var(--mono); font-size: 9.5px;
  letter-spacing: 0.2em; color: var(--text-low); margin-top: 14px;
}
.prose code {
  font-family: var(--mono); font-size: 0.85em; color: #b8d0f5;
  background: rgba(143, 184, 255, 0.08); border: 1px solid var(--line-soft);
  border-radius: 4px; padding: 2px 7px;
}
.prose pre {
  background: var(--space-1); border: 1px solid var(--line);
  padding: 22px 24px; overflow-x: auto; line-height: 1.9;
  box-shadow: inset 0 1px 0 rgba(220, 235, 255, 0.06);
}
.prose pre code { background: none; border: none; padding: 0; font-size: 12.5px; color: #bcd0ee; }
.img-missing {
  border: 1px dashed rgba(180, 200, 235, 0.25); padding: 26px 20px;
  text-align: center; font-family: var(--mono); font-size: 10px;
  letter-spacing: 0.22em; color: var(--text-low);
}
.callout {
  border: 1px solid var(--line); border-left: 2px solid var(--blue);
  padding: 18px 24px; font-size: 14px; color: var(--text-mid);
  background: rgba(143, 184, 255, 0.04);
}

/* 文末导航 */
.article-foot {
  max-width: 760px; margin: 40px auto 0; padding: 34px 28px 90px;
  border-top: 1px solid var(--line-soft);
  display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap;
}
.article-foot a {
  font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.2em;
  color: var(--text-mid); text-decoration: none; transition: color 0.3s ease;
}
.article-foot a:hover { color: var(--blue); }

/* ============ 博客首页（档案列表） ============ */
.archive-head { max-width: 860px; margin: 110px auto 70px; padding: 0 28px; }
.archive-head .kicker { font-family: var(--mono); font-size: 10px; letter-spacing: 0.32em; color: var(--text-low); }
.archive-head h1 { font-size: clamp(36px, 5vw, 54px); font-weight: 200; letter-spacing: 0.2em; margin-top: 24px; }
.archive-head .en { font-family: var(--latin); font-style: italic; font-size: 17px; color: var(--text-low); margin-top: 14px; }
.archive-list { max-width: 860px; margin: 0 auto; padding: 0 28px 120px; border-top: 1px solid var(--line-soft); }
.entry {
  display: grid; grid-template-columns: 64px 1fr auto; gap: 26px; align-items: baseline;
  padding: 30px 6px; border-bottom: 1px solid var(--line-soft);
  text-decoration: none; color: inherit;
  transition: background 0.4s ease, padding-left 0.4s ease;
}
.entry:hover { background: rgba(143, 184, 255, 0.035); padding-left: 20px; }
.entry .no { font-family: var(--latin); font-style: italic; font-size: 18px; color: var(--text-low); }
.entry h2 { font-size: 19px; font-weight: 400; letter-spacing: 0.05em; line-height: 1.8; }
.entry .sub { font-size: 12.5px; color: var(--text-low); margin-top: 8px; }
.entry .date { font-family: var(--mono); font-size: 10px; letter-spacing: 0.18em; color: var(--text-low); }

@media (max-width: 720px) {
  .topbar { padding: 14px 22px; }
  .entry { grid-template-columns: 1fr auto; }
  .entry .no { display: none; }
}