:root {
  --paper: #f9ece9;
  --ink: #42201f;
  --ink-soft: #6d4744;
  --berry: #8e2c48;
  --berry-deep: #6f1f37;
  --line: #e6c9c3;
  --sub: #fff8f6;
  --r-lg: 18px;
  --r-sm: 10px;
  --latin: Constantia, "Palatino Linotype", Georgia, serif;
  --song: "Songti SC", "STSong", "SimSun", "Noto Serif SC", serif;
  --hei: "PingFang SC", "Microsoft YaHei", sans-serif;
  --mono: Consolas, "SFMono-Regular", Menlo, monospace;
}

*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--hei);
  font-size: 17px;
  line-height: 1.8;
}

a { color: var(--berry); text-underline-offset: 3px; text-decoration-thickness: 1px; }
a:hover { color: var(--berry-deep); text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--berry); outline-offset: 3px; border-radius: 4px; }

img { max-width: 100%; height: auto; display: block; }
code { font-family: var(--mono); font-size: .92em; background: var(--sub); border: 1px solid var(--line); border-radius: 6px; padding: 0 .3em; word-break: break-all; }

.fv-skipper { position: absolute; left: 16px; top: -60px; background: var(--ink); color: var(--paper); padding: 10px 16px; border-radius: var(--r-sm); z-index: 9; }
.fv-skipper:focus { top: 10px; color: var(--paper); }

/* ---------- 页头 ---------- */
.fv-masthead { border-bottom: 1px solid var(--line); background: var(--paper); }
.fv-masthead-in { max-width: 1120px; margin: 0 auto; padding: 0 24px; display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 64px; }
.fv-wordmark { color: var(--ink); display: inline-flex; align-items: center; min-height: 44px; text-decoration: none; }
.fv-wordmark-svg { display: block; }
.fv-wordmark-dot { fill: var(--berry); }
.fv-lanes { display: flex; gap: 4px; flex-wrap: wrap; }
.fv-lanes a { display: inline-flex; align-items: center; min-height: 44px; padding: 0 12px; color: var(--ink); text-decoration: none; font-size: 15px; border-radius: var(--r-sm); }
.fv-lanes a:hover { background: var(--sub); color: var(--berry); }
.fv-lanes a[aria-current="page"] { color: var(--berry); box-shadow: inset 0 -2px 0 var(--berry); border-radius: 0; }

main { display: block; }

/* ---------- 首页首屏 ---------- */
.fv-opening { max-width: 1120px; margin: 0 auto; padding: 36px 24px 8px; }
.fv-opening h1 { font-family: var(--song); font-weight: 700; font-size: 46px; line-height: 1.22; letter-spacing: .01em; margin: 0 0 26px; max-width: 18em; }
.fv-opening-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, .85fr); gap: 32px; align-items: start; }

.fv-window { position: relative; }
.fv-window-bar,
.fv-window-body { background: var(--sub); border: 2px solid var(--ink); }
.fv-window-bar { border-radius: var(--r-lg) var(--r-lg) 0 0; display: flex; align-items: center; gap: 12px; padding: 10px 14px; border-bottom-width: 1px; }
.fv-window-body { border-top: 0; border-radius: 0 0 var(--r-lg) var(--r-lg); padding: 22px 26px 18px; box-shadow: 10px 10px 0 var(--line); }
.fv-window-pips { display: inline-flex; gap: 6px; flex: none; }
.fv-window-pips i { width: 10px; height: 10px; border-radius: 50%; border: 1.5px solid var(--ink); display: block; }
.fv-omnibar { flex: 1; min-width: 0; background: #fff; border: 1px solid var(--line); border-radius: 999px; padding: 4px 14px; font-family: var(--latin); font-size: 15px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; color: var(--ink-soft); }
.fv-omnibar b { color: var(--ink); background: #f6dce2; border-radius: 4px; padding: 0 3px; }
.fv-window-hint { margin: 18px 4px 0; font-size: 14px; color: var(--ink-soft); line-height: 1.7; }

.fv-plate-label { margin: 0; font-size: 15px; color: var(--ink-soft); }
.fv-plate-row { display: flex; align-items: center; gap: 14px; margin: 6px 0 10px; flex-wrap: wrap; }
.fv-plate-code { font-family: var(--latin); font-size: 44px; font-weight: 700; letter-spacing: .06em; color: var(--berry); background: none; border: 0; padding: 0; line-height: 1.1; }
.fv-copybtn { font: inherit; font-size: 16px; min-height: 44px; min-width: 88px; padding: 0 18px; border-radius: var(--r-sm); border: 2px solid var(--berry); background: var(--berry); color: #fff; cursor: pointer; }
.fv-copybtn:hover { background: var(--berry-deep); border-color: var(--berry-deep); }
.fv-copybtn[data-fv-state] { background: var(--sub); color: var(--berry); }
.fv-plate-gain { margin: 0; font-size: 17px; }
.fv-star { text-decoration: none; font-weight: 700; padding: 0 2px; }
.fv-plate-note { margin: 10px 0 0; font-size: 13px; line-height: 1.65; color: var(--ink-soft); }
.fv-plate-go { margin: 14px 0 4px; }
.fv-plate-disc { margin: 0; font-size: 13px; color: var(--ink-soft); }

.fv-gobtn { display: inline-flex; align-items: center; min-height: 46px; padding: 0 20px; border-radius: var(--r-sm); background: var(--ink); color: var(--paper); text-decoration: none; font-weight: 600; }
.fv-gobtn:hover { background: var(--berry-deep); color: #fff; }

.fv-pick { border-left: 3px solid var(--berry); padding: 4px 0 4px 22px; }
.fv-pick-flag { margin: 0 0 6px; font-size: 14px; color: var(--berry); font-weight: 600; }
.fv-pick-title { font-family: var(--song); font-size: 26px; line-height: 1.4; margin: 0 0 10px; }
.fv-pick-title a { color: var(--ink); text-decoration: none; }
.fv-pick-title a:hover { color: var(--berry); }
.fv-pick-why { margin: 0 0 12px; font-size: 16px; color: var(--ink-soft); }
.fv-pick-go { margin: 0; }
.fv-pick-go a { display: inline-flex; align-items: center; min-height: 44px; font-weight: 600; }

/* ---------- 首页下半 ---------- */
.fv-homeprose { max-width: 1120px; margin: 0 auto; padding: 24px 24px 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 48px; }
.fv-homeprose > section { padding: 26px 0; border-top: 1px solid var(--line); }
.fv-homeprose h2 { font-family: var(--song); font-size: 24px; line-height: 1.4; margin: 0 0 10px; }
.fv-homeprose p, .fv-homeprose li { font-size: 16px; }
.fv-homeprose ul { padding-left: 1.2em; margin: 0; }
.fv-homeprose li { margin: 4px 0; }
.fv-homeprose .fv-wide { grid-column: 1 / -1; }

.fv-shelf { max-width: 1120px; margin: 0 auto; padding: 8px 24px 48px; }
.fv-shelf h2 { font-family: var(--song); font-size: 24px; margin: 26px 0 12px; padding-top: 26px; border-top: 1px solid var(--line); }
.fv-shelf-list { list-style: none; margin: 0; padding: 0; }
.fv-shelf-list li { background: var(--sub); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 18px 22px; }
.fv-shelf-list a { font-family: var(--song); font-size: 20px; font-weight: 700; color: var(--ink); }
.fv-shelf-list p { margin: 6px 0 0; font-size: 15px; color: var(--ink-soft); }
.fv-shelf-more { font-size: 15px; color: var(--ink-soft); }

/* ---------- 列表页 ---------- */
.fv-listhead, .fv-entries, .fv-pager, .fv-topicgrid { max-width: 760px; margin-left: auto; margin-right: auto; padding-left: 24px; padding-right: 24px; }
.fv-listhead { padding-top: 30px; }
.fv-listhead h1 { font-family: var(--song); font-size: 46px; line-height: 1.2; margin: 6px 0 12px; }
.fv-listhead h1 small { font-size: .45em; margin-left: .6em; color: var(--ink-soft); font-weight: 400; }
.fv-listhead-intro p { margin: 0 0 10px; }
.fv-listhead-count { font-size: 14px; color: var(--ink-soft); border-bottom: 1px solid var(--line); padding-bottom: 14px; }
.fv-entries { list-style: none; padding-top: 6px; padding-bottom: 40px; }
.fv-entry { padding: 18px 0; border-bottom: 1px dashed var(--line); }
.fv-entry-title { font-family: var(--song); font-size: 22px; font-weight: 700; color: var(--ink); text-decoration: none; }
.fv-entry-title:hover { color: var(--berry); text-decoration: underline; }
.fv-entry-desc { margin: 6px 0 4px; color: var(--ink-soft); font-size: 16px; }
.fv-entry-date { margin: 0; font-size: 13px; color: var(--ink-soft); font-family: var(--latin); }
.fv-pager { display: flex; gap: 18px; align-items: center; padding-bottom: 40px; }
.fv-pager a { min-height: 44px; display: inline-flex; align-items: center; }
.fv-topicgrid { list-style: none; display: flex; flex-wrap: wrap; gap: 10px; padding-bottom: 40px; }
.fv-topicgrid li { border: 1px solid var(--line); border-radius: var(--r-sm); padding: 6px 12px; background: var(--sub); }
.fv-topicgrid span { margin-left: 8px; font-size: 13px; color: var(--ink-soft); }

.fv-crumbs { font-size: 14px; color: var(--ink-soft); display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.fv-crumbs a { color: var(--ink-soft); display: inline-flex; min-height: 44px; align-items: center; }

/* ---------- 文章页 ---------- */
.fv-folio { max-width: 760px; margin: 0 auto; padding: 26px 24px 56px; }
.fv-folio-head h1 { font-family: var(--song); font-size: 46px; line-height: 1.24; margin: 10px 0 14px; }
.fv-folio-dek { font-size: 19px; color: var(--ink-soft); margin: 0 0 10px; line-height: 1.7; }
.fv-folio-by { font-size: 14px; color: var(--ink-soft); margin: 0 0 22px; }
.fv-folio-cover { margin: 0 0 28px; }
.fv-folio-cover img { border-radius: var(--r-lg); border: 1px solid var(--line); }
.fv-folio-cover figcaption, .fv-pane figcaption { font-size: 14px; color: var(--ink-soft); margin-top: 8px; line-height: 1.65; }

.fv-contents { background: var(--sub); border: 2px solid var(--ink); border-radius: var(--r-lg); margin: 0 0 36px; }
.fv-contents summary { cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 16px 22px; min-height: 56px; }
.fv-contents summary::-webkit-details-marker { display: none; }
.fv-contents-k { font-family: var(--song); font-size: 22px; font-weight: 700; }
.fv-contents-hint { font-size: 13px; color: var(--ink-soft); }
.fv-contents nav { padding: 0 22px 18px; border-top: 1px solid var(--line); }
.fv-contents ol { margin: 0; padding: 8px 0 0; list-style: none; counter-reset: sect; }
.fv-contents li { counter-increment: sect; display: grid; grid-template-columns: 2.6em 1fr; align-items: baseline; padding: 7px 0; border-bottom: 1px dotted var(--line); }
.fv-contents li:last-child { border-bottom: 0; }
.fv-contents li::before { content: counter(sect, decimal-leading-zero); font-family: var(--latin); font-size: 22px; color: var(--berry); }
.fv-contents a { color: var(--ink); text-decoration: none; font-size: 17px; }
.fv-contents a:hover { color: var(--berry); text-decoration: underline; }

.fv-folio-body { max-width: 680px; }
.fv-folio-body h2 { font-family: var(--song); font-size: 29px; line-height: 1.38; margin: 52px 0 14px; padding-top: 18px; border-top: 1px solid var(--line); scroll-margin-top: 16px; }
.fv-folio-body h3 { font-size: 19px; margin: 30px 0 8px; }
.fv-folio-body p { margin: 0 0 1.05em; }
.fv-folio-body ul, .fv-folio-body ol { padding-left: 1.4em; margin: 0 0 1.1em; }
.fv-folio-body li { margin: .3em 0; }
.fv-folio-body strong { color: var(--ink); background: linear-gradient(transparent 62%, #f3d3db 62%); }
.fv-folio-body blockquote { margin: 1.3em 0; padding: 12px 18px; border-left: 3px solid var(--berry); background: var(--sub); border-radius: 0 var(--r-sm) var(--r-sm) 0; }
.fv-folio-body blockquote p:last-child { margin-bottom: 0; }
.fv-folio-body .fv-aside-note { font-size: 15px; background: var(--sub); border: 1px dashed var(--line); border-radius: var(--r-sm); padding: 12px 16px; }

.fv-pane { margin: 26px 0 30px; }
.fv-pane-frame { background: #1f2026; border-radius: var(--r-lg); padding: 14px; display: flex; justify-content: center; border: 2px solid var(--ink); }
.fv-pane-frame img { border-radius: var(--r-sm); max-height: 560px; width: auto; }

.fv-ledger { overflow-x: auto; margin: 1.2em 0 1.5em; border: 1px solid var(--line); border-radius: var(--r-sm); background: var(--sub); }
.fv-ledger table { border-collapse: collapse; width: 100%; min-width: 520px; font-size: 15px; }
.fv-ledger th, .fv-ledger td { text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
.fv-ledger th { background: #f6dfe0; font-weight: 600; }
.fv-ledger tr:last-child td { border-bottom: 0; }

.fv-refslip { margin: 28px 0 32px; padding: 20px 22px 18px; background: var(--sub); border: 2px solid var(--berry); border-radius: var(--r-lg); }
.fv-refslip-k { margin: 0 0 2px; font-weight: 600; color: var(--berry); font-size: 15px; }
.fv-refslip-row { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-bottom: 8px; }
.fv-refslip-code { font-family: var(--latin); font-size: 34px; font-weight: 700; letter-spacing: .06em; color: var(--ink); background: none; border: 0; padding: 0; }
.fv-refslip-gain { margin: 0 0 12px !important; }
.fv-refslip-go { margin: 0 0 8px !important; }
.fv-refslip-disc, .fv-refslip-note { font-size: 13px; color: var(--ink-soft); margin: 4px 0 0 !important; line-height: 1.65; }

.fv-asks { max-width: 680px; margin-top: 48px; border-top: 2px solid var(--ink); padding-top: 8px; }
.fv-asks h2 { font-family: var(--song); font-size: 26px; margin: 14px 0 6px; }
.fv-ask { padding: 14px 0; border-bottom: 1px solid var(--line); }
.fv-ask h3 { font-size: 18px; margin: 0 0 6px; }
.fv-ask p { margin: 0; }

.fv-afterword { max-width: 680px; margin-top: 40px; padding: 20px 22px; background: var(--sub); border-radius: var(--r-lg); border: 1px solid var(--line); font-size: 15px; }
.fv-afterword p { margin: 10px 0 0; }
.fv-afterword-topics { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.fv-afterword-k { color: var(--ink-soft); margin-right: 4px; }
.fv-topic-chip { display: inline-flex; align-items: center; min-height: 32px; padding: 0 12px; border-radius: 999px; border: 1px solid var(--line); background: #fff; color: var(--ink); font-size: 14px; }
a.topic-chip { color: var(--berry); }

/* ---------- 站务页 / 查找 ---------- */
.fv-deskpage { max-width: 720px; margin: 0 auto; padding: 28px 24px 56px; }
.fv-deskpage h1 { font-family: var(--song); font-size: 40px; line-height: 1.25; margin: 10px 0 6px; }
.fv-deskpage-date { font-size: 14px; color: var(--ink-soft); margin: 0 0 22px; }
.fv-deskpage-body h2 { font-family: var(--song); font-size: 23px; margin: 34px 0 8px; }
.fv-deskpage-body p { margin: 0 0 1em; }
.fv-deskpage-body ul { padding-left: 1.3em; }

.fv-lookup-form label { display: block; font-weight: 600; margin: 14px 0 6px; }
.fv-lookup-row { display: flex; gap: 10px; }
.fv-lookup-row input { flex: 1; min-width: 0; font: inherit; font-size: 17px; min-height: 48px; padding: 0 14px; border: 2px solid var(--ink); border-radius: var(--r-sm); background: #fff; color: var(--ink); }
.fv-lookup-row button { font: inherit; min-height: 48px; padding: 0 20px; border-radius: var(--r-sm); border: 0; background: var(--berry); color: #fff; cursor: pointer; }
.fv-lookup-status { color: var(--ink-soft); font-size: 15px; }
.fv-lookup-hits { padding-left: 1.3em; }
.fv-lookup-hits li { margin: 0 0 16px; }
.fv-lookup-hits a { font-weight: 600; font-size: 18px; }
.fv-lookup-hits p { margin: 4px 0 0; font-size: 15px; color: var(--ink-soft); }

/* ---------- 页脚 ---------- */
.fv-colophon { border-top: 2px solid var(--ink); background: var(--sub); }
.fv-colophon-in { max-width: 1120px; margin: 0 auto; padding: 30px 24px 36px; display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 8px 48px; font-size: 14px; color: var(--ink-soft); }
.fv-colophon-brand p { margin: 8px 0 0; }
.fv-colophon-links { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 16px; align-content: start; }
.fv-colophon-links a { display: inline-flex; min-height: 44px; align-items: center; color: var(--ink); }
.fv-colophon-feed, .fv-colophon-year { grid-column: 1 / -1; margin: 6px 0 0; }
.fv-wordmark-foot { color: var(--ink); }

/* ---------- 窄屏 ---------- */
@media (max-width: 860px) {
  .fv-opening-grid { grid-template-columns: 1fr; gap: 22px; }
  .fv-homeprose { grid-template-columns: 1fr; }
  .fv-colophon-in { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  body { font-size: 16px; }
  .fv-masthead-in { padding: 0 16px; min-height: 56px; gap: 8px; }
  .fv-wordmark-svg { width: 80px; height: 35px; }
  .fv-lanes { gap: 0; }
  .fv-lanes a { padding: 0 8px; min-width: 44px; justify-content: center; font-size: 14px; }
  .fv-opening { padding: 16px 16px 4px; }
  .fv-opening h1 { font-size: 30px; margin-bottom: 14px; }
  .fv-window-bar { padding: 7px 10px; gap: 8px; }
  .fv-window-pips { display: none; }
  .fv-omnibar { font-size: 13px; padding: 3px 10px; }
  .fv-window-body { padding: 12px 14px 12px; box-shadow: 6px 6px 0 var(--line); }
  .fv-plate-row { margin: 2px 0 6px; gap: 10px; }
  .fv-plate-code { font-size: 32px; }
  .fv-plate-gain { font-size: 15px; line-height: 1.6; }
  .fv-plate-note { font-size: 13px; margin-top: 6px; }
  .fv-window-hint { display: none; }
  .fv-pick { padding-left: 14px; }
  .fv-pick-flag { margin-bottom: 2px; }
  .fv-pick-title { font-size: 20px; margin-bottom: 4px; }
  .fv-pick-why { display: none; }
  .fv-homeprose, .fv-shelf { padding-left: 16px; padding-right: 16px; }
  .fv-listhead, .fv-entries, .fv-pager, .fv-topicgrid { padding-left: 16px; padding-right: 16px; }
  .fv-listhead h1, .fv-folio-head h1 { font-size: 30px; }
  .fv-folio { padding: 18px 16px 44px; }
  .fv-folio-dek { font-size: 17px; }
  .fv-folio-body h2 { font-size: 24px; }
  .fv-contents summary { padding: 14px 16px; }
  .fv-contents nav { padding: 0 16px 14px; }
  .fv-contents-k { font-size: 19px; }
  .fv-contents a { font-size: 16px; }
  .fv-contents li::before { font-size: 18px; }
  .fv-pane-frame { padding: 8px; }
  .fv-refslip { padding: 16px; }
  .fv-refslip-code { font-size: 28px; }
  .fv-deskpage { padding: 20px 16px 44px; }
  .fv-deskpage h1 { font-size: 30px; }
  .fv-colophon-in { padding: 24px 16px 30px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
}