/* roulang page: index */
:root {
  --bg: #F3F6FA;
  --paper: #F7F9FC;
  --card: #FFFFFF;
  --ink: #1B2833;
  --muted: #5C6B7A;
  --line: #D5DEE8;
  --primary: #3E6B96;
  --primary-hover: #2C5278;
  --primary-soft: #E7EEF5;
  --accent: #8A6246;
  --radius-card: 16px;
  --radius-btn: 8px;
  --shadow: 0 10px 28px rgba(27, 40, 51, 0.08);
  --shadow-hover: 0 14px 32px rgba(27, 40, 51, 0.12);
  --pad-block: 88px;
  --font-serif: "Noto Serif SC", "Songti SC", serif;
  --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
}
img, svg { max-width: 100%; display: block; }
a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-hover); }
:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
}
p { margin: 0 0 1.2em; }
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 700;
  line-height: 1.35;
  color: var(--ink);
  margin: 0;
}
button, input { font-family: inherit; }
.container { width: min(1120px, calc(100% - 32px)); margin: 0 auto; }
@media (min-width: 1200px) {
  .container { max-width: 1120px; width: 100%; padding-left: 12px; padding-right: 12px; }
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 1030;
  background: #fff;
  border-bottom: 1px solid var(--line);
}
.site-navbar {
  background: #fff !important;
  padding: 0;
  --bs-navbar-color: var(--ink);
  --bs-navbar-hover-color: var(--primary);
  --bs-navbar-brand-color: var(--ink);
  --bs-navbar-brand-hover-color: var(--primary-hover);
  --bs-navbar-toggler-border-color: transparent;
}
.site-navbar > .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 16px;
}
.navbar-brand {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--ink) !important;
  letter-spacing: 0;
  padding: 0;
  margin: 0;
  white-space: nowrap;
}
.navbar-brand:hover { color: var(--primary-hover) !important; text-decoration: none; }
.nav-desktop { display: flex; align-items: center; gap: 4px; }
.nav-desktop a {
  color: var(--ink);
  min-height: 44px;
  padding: 0 14px;
  display: inline-flex;
  align-items: center;
  font-size: 15px;
  border-radius: var(--radius-btn);
  text-decoration: none;
}
.nav-desktop a:hover { background: var(--primary-soft); color: var(--primary-hover); text-decoration: none; }
.nav-desktop a.is-active {
  color: var(--primary);
  border-radius: 0;
  box-shadow: inset 0 -2px 0 var(--primary);
  background: transparent;
}
.nav-toggle {
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: var(--radius-btn);
  background: #fff;
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  padding: 0;
}
.nav-toggle span { display: block; width: 18px; height: 2px; background: var(--ink); }
.site-offcanvas {
  background: var(--paper);
  width: min(320px, 86vw);
  border: none;
  box-shadow: var(--shadow-hover);
}
.site-offcanvas .offcanvas-header {
  min-height: 64px;
  border-bottom: 1px solid var(--line);
  padding: 12px 20px;
}
.site-offcanvas .offcanvas-title {
  font-family: var(--font-serif);
  font-size: 18px;
  color: var(--ink);
}
.site-offcanvas .btn-close { box-shadow: none; opacity: 1; }
.offcanvas-nav { display: flex; flex-direction: column; padding: 8px 12px 24px; }
.offcanvas-nav a {
  min-height: 48px;
  display: flex;
  align-items: center;
  padding: 0 12px;
  color: var(--ink);
  border-radius: var(--radius-btn);
  text-decoration: none;
  font-size: 17px;
}
.offcanvas-nav a:hover, .offcanvas-nav a:focus { background: var(--primary-soft); color: var(--primary-hover); text-decoration: none; }
.offcanvas-nav a.is-active { color: var(--primary); background: #fff; box-shadow: inset 3px 0 0 var(--primary); }
main { display: block; }
.block { padding: var(--pad-block) 0; }
.block-paper { background: var(--paper); }
.block-mist { background: var(--bg); }
.block-band { background: var(--primary-soft); }
.block-white { background: #fff; }
.block h2 { font-size: 28px; max-width: 18em; margin-bottom: 16px; }
.block-lead { max-width: 46em; color: var(--muted); margin-bottom: 32px; }
.hero { background: var(--paper); padding: 56px 0 72px; }
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(260px, 0.78fr);
  column-gap: 56px;
  row-gap: 8px;
  align-items: center;
  grid-template-areas:
    "issue still"
    "title still"
    "deck still"
    "lead still"
    "actions still";
}
.issue { grid-area: issue; color: var(--accent); font-size: 13px; margin: 0 0 10px; }
.hero-grid h1 { grid-area: title; font-size: 50px; max-width: 640px; margin-bottom: 12px; }
.deck { grid-area: deck; font-family: var(--font-serif); font-size: 20px; line-height: 1.35; max-width: 640px; color: var(--ink); margin-bottom: 16px; }
.lead { grid-area: lead; max-width: 640px; color: var(--muted); margin-bottom: 0; }
.hero-actions { grid-area: actions; display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; max-width: 640px; }
.hero-still { grid-area: still; margin: 0; }
.still-frame {
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--primary-soft);
  box-shadow: var(--shadow);
}
.still-frame svg { width: 100%; height: 100%; }
.still-cap { margin: 10px 0 0; color: var(--accent); font-size: 13px; line-height: 1.5; }
.btn-solid, .btn-line, .text-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 22px;
  border-radius: var(--radius-btn);
  font-size: 15px;
  line-height: 1.2;
  cursor: pointer;
  text-decoration: none;
  transition: background .2s ease, color .2s ease, border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}
.btn-solid { background: var(--primary); color: #fff; border: 1px solid var(--primary); }
.btn-solid:hover, .btn-solid:focus { background: var(--primary-hover); border-color: var(--primary-hover); color: #fff; text-decoration: none; transform: translateY(-1px); }
.btn-solid:active { transform: translateY(0); background: var(--primary-hover); }
.btn-line { background: #fff; color: var(--primary); border: 1px solid var(--primary); }
.btn-line:hover, .btn-line:focus { background: var(--primary-soft); color: var(--primary-hover); text-decoration: none; transform: translateY(-1px); }
.btn-line:active { transform: translateY(0); }
.text-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--primary);
  padding: 0 4px;
}
.text-link:hover { text-decoration: underline; color: var(--primary-hover); }
.pain-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.95fr 0.82fr;
  gap: 22px;
  align-items: start;
}
.pain-col {
  background: var(--card);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow);
  padding: 32px 28px 40px;
  min-height: 340px;
  transition: transform .2s ease, box-shadow .2s ease;
}
.pain-col:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.pain-col:nth-child(2) { margin-top: 40px; }
.pain-col:nth-child(3) { margin-top: 80px; }
.pain-no {
  display: block;
  font-family: var(--font-serif);
  font-size: 40px;
  line-height: 1;
  color: var(--primary);
  margin-bottom: 20px;
}
.pain-col h3 { font-size: 20px; margin-bottom: 14px; }
.pain-col p { color: var(--muted); margin-bottom: 0.4em; }
.phrase-row {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  padding: 0;
  margin: 8px 0 0;
}
.phrase-row li {
  background: #fff;
  border-radius: var(--radius-card);
  box-shadow: var(--shadow);
  padding: 22px 20px 26px;
  min-height: 132px;
}
.phrase-row span {
  display: block;
  font-family: var(--font-serif);
  color: var(--primary);
  font-size: 22px;
  margin-bottom: 12px;
}
.phrase-row strong { display: block; font-size: 18px; font-weight: 700; font-family: var(--font-serif); }
.axis { list-style: none; margin: 8px 0 0; padding: 0; position: relative; }
.axis li {
  display: grid;
  grid-template-columns: 56px minmax(0, 640px);
  gap: 18px;
  position: relative;
  padding-bottom: 28px;
}
.axis li::before {
  content: "";
  position: absolute;
  left: 19px;
  top: 40px;
  bottom: 0;
  width: 1px;
  background: var(--line);
}
.axis li:last-child::before { display: none; }
.axis-no {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 18px;
  position: relative;
  z-index: 1;
}
.axis h3 { font-size: 20px; margin-bottom: 6px; }
.axis-act, .axis-res { margin: 0; color: var(--muted); }
.axis-res { color: var(--ink); }
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.stat-item {
  background: #fff;
  border-radius: var(--radius-card);
  box-shadow: var(--shadow);
  padding: 28px 22px 26px;
  min-height: 168px;
  transition: transform .2s ease, box-shadow .2s ease;
}
.stat-item:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.stat-num {
  display: block;
  font-family: var(--font-serif);
  font-size: 48px;
  line-height: 1.1;
  color: var(--primary);
  margin-bottom: 12px;
}
.stat-label { color: var(--muted); font-size: 15px; }
.quote-grid { display: grid; grid-template-columns: 1.35fr 0.9fr; gap: 28px; align-items: start; }
.quote {
  background: #fff;
  border-radius: var(--radius-card);
  box-shadow: var(--shadow);
  padding: 36px 32px 28px;
  margin: 0;
  transition: box-shadow .2s ease;
}
.quote:nth-child(2) { margin-top: 48px; }
.quote:hover { box-shadow: var(--shadow-hover); }
.quote p {
  font-family: var(--font-serif);
  font-size: 26px;
  line-height: 1.45;
  color: var(--ink);
  margin-bottom: 20px;
}
.quote p::before { content: "“"; color: var(--primary); margin-right: 4px; }
.quote footer { color: var(--muted); font-size: 14px; font-style: normal; }
.aud-list { display: flex; flex-direction: column; gap: 16px; }
.aud-card {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr) auto;
  gap: 22px;
  align-items: center;
  background: #fff;
  color: inherit;
  border-radius: var(--radius-card);
  box-shadow: var(--shadow);
  padding: 26px 28px;
  text-decoration: none;
  transition: transform .2s ease, box-shadow .2s ease;
}
.aud-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); color: inherit; text-decoration: none; }
.aud-card h3 { font-size: 20px; }
.aud-card p { margin: 0; color: var(--muted); }
.aud-go { color: var(--primary); white-space: nowrap; min-height: 44px; display: inline-flex; align-items: center; }
@media (min-width: 992px) {
  .aud-card:nth-child(2) { margin-left: 7%; }
  .aud-card:nth-child(3) { margin-left: 14%; }
}
.toc { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.toc a {
  display: grid;
  grid-template-columns: 108px minmax(0, 1fr);
  gap: 18px;
  padding: 20px 8px;
  border-bottom: 1px solid var(--line);
  color: inherit;
  text-decoration: none;
  align-items: start;
  transition: background .2s ease;
}
.toc a:hover { background: var(--primary-soft); text-decoration: none; color: inherit; }
.toc time { color: var(--accent); font-size: 14px; line-height: 1.7; padding-top: 2px; }
.toc h3 { font-size: 19px; margin-bottom: 4px; }
.toc p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.7; }
.ruler {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.ruler-item { padding: 28px 22px 24px; border-right: 1px solid var(--line); }
.ruler-item:last-child { border-right: none; }
.ruler-label { display: block; color: var(--muted); font-size: 14px; margin-bottom: 8px; }
.ruler-num { display: block; font-family: var(--font-serif); font-size: 32px; line-height: 1.2; color: var(--ink); margin-bottom: 14px; }
.ruler-track { display: block; height: 2px; background: var(--line); position: relative; }
.ruler-fill { display: block; height: 2px; background: var(--primary); }
.ruler-note { display: block; margin-top: 10px; color: var(--muted); font-size: 13px; }
.filmline { list-style: none; margin: 0; padding: 0 0 0 8px; max-width: 760px; }
.film-item {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 18px;
  padding: 0 0 26px 22px;
  border-left: 1px solid var(--line);
  position: relative;
}
.film-item::before {
  content: "";
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--primary);
  position: absolute;
  left: -5px;
  top: 8px;
}
.film-date { color: var(--accent); font-size: 14px; padding-top: 2px; }
.film-item h3 { font-size: 19px; margin-bottom: 4px; }
.film-item h3 a { color: var(--ink); text-decoration: none; }
.film-item h3 a:hover { color: var(--primary); text-decoration: underline; }
.film-item p { margin: 0; color: var(--muted); }
.film-len { color: var(--ink); }
.scene-list { display: flex; flex-direction: column; border-top: 1px solid var(--line); }
.scene-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  align-items: center;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
}
.scene-row h3 { font-size: 22px; margin-bottom: 6px; }
.scene-row p { margin: 0; color: var(--muted); max-width: 40em; }
.scene-link {
  min-height: 44px;
  padding: 0 16px;
  border: 1px solid var(--primary);
  border-radius: var(--radius-btn);
  color: var(--primary);
  background: #fff;
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}
.scene-link:hover { background: var(--primary-soft); color: var(--primary-hover); text-decoration: none; }
.dir-card {
  background: #fff;
  border-radius: var(--radius-card);
  box-shadow: var(--shadow);
  padding: 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 28px;
}
.dir-kicker { color: var(--accent); font-size: 13px; margin-bottom: 8px; }
.dir-card h3 { font-size: 24px; margin-bottom: 8px; }
.dir-card p { margin: 0; color: var(--muted); max-width: 36em; }
.text-btn {
  background: transparent;
  color: var(--primary);
  border: none;
  padding: 0 2px;
  border-bottom: 1px solid var(--primary);
  border-radius: 0;
  white-space: nowrap;
}
.text-btn:hover { color: var(--primary-hover); border-bottom-color: var(--primary-hover); background: transparent; text-decoration: none; }
.site-accordion { --bs-accordion-bg: transparent; --bs-accordion-border-width: 0; --bs-accordion-btn-focus-box-shadow: none; --bs-accordion-active-bg: transparent; --bs-accordion-active-color: var(--ink); --bs-accordion-btn-color: var(--ink); }
.site-accordion .accordion-item { background: transparent; border: none; border-bottom: 1px solid var(--line); border-radius: 0; }
.site-accordion .accordion-item:first-of-type { border-top: 1px solid var(--line); }
.site-accordion .accordion-header { margin: 0; }
.site-accordion .accordion-button {
  background: transparent;
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: 18px;
  line-height: 1.35;
  padding: 20px 0;
  box-shadow: none;
  min-height: 44px;
}
.site-accordion .accordion-button:not(.collapsed) { color: var(--primary); background: transparent; box-shadow: none; }
.site-accordion .accordion-button::after {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='none' stroke='%233E6B96' stroke-width='1.6' d='M2 5.5 8 11l6-5.5'/%3E%3C/svg%3E");
  width: 16px;
  height: 16px;
  background-size: 16px;
}
.site-accordion .accordion-body {
  background: var(--primary-soft);
  color: var(--muted);
  border-radius: 8px;
  padding: 16px 18px;
  margin: 0 0 16px;
}
.closing { padding: 112px 0 120px; }
.closing-inner { max-width: 520px; }
.closing-inner h2 { font-size: 30px; }
.closing-actions { display: flex; flex-wrap: wrap; gap: 8px 22px; align-items: center; margin-top: 8px; }
.site-footer { background: var(--primary-soft); padding: 48px 0 32px; border-top: 1px solid var(--line); }
.foot-brand { font-family: var(--font-serif); font-size: 22px; margin-bottom: 12px; }
.foot-nav { list-style: none; display: flex; flex-wrap: wrap; gap: 8px 22px; padding: 0; margin: 0 0 12px; }
.foot-nav a { color: var(--ink); min-height: 44px; display: inline-flex; align-items: center; text-decoration: none; }
.foot-nav a:hover { color: var(--primary-hover); text-decoration: underline; }
.foot-note, .foot-copy { color: var(--muted); font-size: 14px; margin: 0 0 6px; }
[id] { scroll-margin-top: 88px; }
@media (max-width: 1199.98px) {
  .hero-grid h1 { font-size: 44px; }
  .block { padding: 72px 0; }
  .block h2 { font-size: 26px; }
  .stat-num { font-size: 40px; }
  .quote p { font-size: 22px; }
}
@media (max-width: 991.98px) {
  .nav-desktop { display: none !important; }
  .nav-toggle { display: inline-flex; }
  .hero { padding: 36px 0 56px; }
  .hero-grid {
    grid-template-columns: 1fr;
    grid-template-areas:
      "issue"
      "title"
      "still"
      "deck"
      "lead"
      "actions";
    row-gap: 12px;
  }
  .hero-still { max-width: 420px; }
  .hero-grid h1 { font-size: 38px; }
  .pain-grid, .quote-grid, .phrase-row, .stat-grid, .ruler { grid-template-columns: 1fr 1fr; }
  .pain-col, .pain-col:nth-child(2), .pain-col:nth-child(3), .quote:nth-child(2) { margin-top: 0; min-height: 0; }
  .pain-grid { grid-template-columns: 1fr; }
  .quote-grid { grid-template-columns: 1fr; }
  .ruler { grid-template-columns: 1fr; }
  .ruler-item { border-right: none; border-bottom: 1px solid var(--line); }
  .ruler-item:last-child { border-bottom: none; }
  .aud-card, .scene-row, .dir-card, .film-item, .toc a, .axis li { grid-template-columns: 1fr; }
  .aud-card { margin-left: 0 !important; }
  .scene-row { align-items: start; }
  .axis li::before { display: none; }
  .block { padding: 64px 0; }
  .closing { padding: 80px 0; }
}
@media (max-width: 575.98px) {
  .container { width: 100%; padding-left: 16px; padding-right: 16px; }
  .navbar-brand { font-size: 16px; white-space: normal; line-height: 1.35; }
  .hero-grid h1 { font-size: 34px; }
  .deck { font-size: 18px; }
  .block { padding: 52px 0; }
  .block h2, .closing-inner h2 { font-size: 24px; }
  .stat-grid, .phrase-row { grid-template-columns: 1fr 1fr; }
  .stat-num { font-size: 36px; }
  .hero-actions, .closing-actions { flex-direction: column; align-items: stretch; }
  .btn-solid, .btn-line, .scene-link, .text-btn { width: 100%; }
  .text-btn { width: auto; align-self: flex-start; }
  .quote p { font-size: 20px; }
  .dir-card, .aud-card, .pain-col { padding: 22px 18px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}

/* roulang page: category1 */
:root {
  --bg: #F3F6FA;
  --paper: #F7F9FC;
  --card: #FFFFFF;
  --ink: #1B2833;
  --muted: #5C6B7A;
  --line: #D5DEE8;
  --primary: #3E6B96;
  --primary-hover: #2C5278;
  --primary-soft: #E7EEF5;
  --accent: #8A6246;
  --radius-card: 16px;
  --radius-btn: 8px;
  --shadow: 0 10px 28px rgba(27, 40, 51, 0.08);
  --shadow-hover: 0 14px 32px rgba(27, 40, 51, 0.12);
  --pad-block: 88px;
  --font-serif: "Noto Serif SC", "Songti SC", serif;
  --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
}
img, svg { max-width: 100%; display: block; }
a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-hover); }
button, input { font-family: inherit; }
p { margin: 0 0 1em; }
h1, h2, h3 {
  font-family: var(--font-serif);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: 0;
  color: var(--ink);
  margin: 0 0 0.6em;
}
body .container {
  width: min(1120px, calc(100% - 32px));
  max-width: 1120px;
  margin: 0 auto;
  padding-left: 0;
  padding-right: 0;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 1030;
  background: #fff;
  border-bottom: 1px solid var(--line);
}
.site-navbar {
  background: #fff !important;
  padding: 0;
  --bs-navbar-color: var(--ink);
  --bs-navbar-hover-color: var(--primary);
  --bs-navbar-brand-color: var(--ink);
  --bs-navbar-brand-hover-color: var(--primary-hover);
  --bs-navbar-toggler-border-color: transparent;
}
.site-navbar > .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 16px;
}
.navbar-brand {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--ink) !important;
  letter-spacing: 0;
  padding: 0;
  margin: 0;
  white-space: nowrap;
}
.navbar-brand:hover { color: var(--primary-hover) !important; text-decoration: none; }
.nav-desktop { display: flex; align-items: center; gap: 4px; }
.nav-desktop a {
  color: var(--ink);
  min-height: 44px;
  padding: 0 14px;
  display: inline-flex;
  align-items: center;
  font-size: 15px;
  border-radius: var(--radius-btn);
  text-decoration: none;
}
.nav-desktop a:hover { background: var(--primary-soft); color: var(--primary-hover); text-decoration: none; }
.nav-desktop a.is-active {
  color: var(--primary);
  border-radius: 0;
  box-shadow: inset 0 -2px 0 var(--primary);
  background: transparent;
}
.nav-toggle {
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: var(--radius-btn);
  background: #fff;
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  padding: 0;
  cursor: pointer;
}
.nav-toggle span { display: block; width: 18px; height: 2px; background: var(--ink); }
.nav-toggle:hover { background: var(--primary-soft); }
.nav-toggle:active { transform: translateY(1px); }
.site-offcanvas {
  background: var(--paper);
  width: min(320px, 86vw);
  border: none;
  box-shadow: var(--shadow-hover);
}
.site-offcanvas .offcanvas-header {
  min-height: 64px;
  border-bottom: 1px solid var(--line);
  padding: 12px 20px;
}
.site-offcanvas .offcanvas-title {
  font-family: var(--font-serif);
  font-size: 18px;
  color: var(--ink);
  margin: 0;
}
.site-offcanvas .btn-close { box-shadow: none; opacity: 1; }
.offcanvas-nav { display: flex; flex-direction: column; padding: 8px 12px 24px; }
.offcanvas-nav a {
  min-height: 48px;
  display: flex;
  align-items: center;
  padding: 0 12px;
  color: var(--ink);
  border-radius: var(--radius-btn);
  text-decoration: none;
  font-size: 17px;
}
.offcanvas-nav a:hover, .offcanvas-nav a:focus { background: var(--primary-soft); color: var(--primary-hover); text-decoration: none; }
.offcanvas-nav a.is-active { color: var(--primary); background: #fff; box-shadow: inset 3px 0 0 var(--primary); }
main { display: block; }
.block { padding: var(--pad-block) 0; }
.bg-paper { background: var(--paper); }
.bg-plain { background: var(--bg); }
.bg-white { background: #fff; }
.bg-soft { background: var(--primary-soft); }
.sec-title { font-size: 28px; margin-bottom: 28px; }
.issue {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 13px;
  letter-spacing: 0.08em;
  font-variant-numeric: tabular-nums;
}
.btn-solid, .text-link, .filter-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border-radius: var(--radius-btn);
  font-size: 15px;
  line-height: 1.2;
  cursor: pointer;
  text-decoration: none;
  transition: background .2s ease, color .2s ease, border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}
.btn-solid {
  background: var(--primary);
  color: #fff;
  border: 1px solid var(--primary);
  padding: 0 22px;
}
.btn-solid:hover, .btn-solid:focus {
  background: var(--primary-hover);
  border-color: var(--primary-hover);
  color: #fff;
  text-decoration: none;
  transform: translateY(-1px);
}
.btn-solid:active { transform: translateY(0); }
.text-link {
  color: var(--primary);
  padding: 0 4px;
  background: transparent;
  border: 0;
}
.text-link:hover { text-decoration: underline; color: var(--primary-hover); }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
}
.page-tool { padding: 28px 0 36px; border-bottom: 1px solid var(--line); }
.crumb-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 44px;
  margin-bottom: 22px;
}
.breadcrumb {
  margin: 0;
  padding: 0;
  background: transparent;
  --bs-breadcrumb-divider-color: var(--muted);
  --bs-breadcrumb-item-active-color: var(--ink);
  font-size: 14px;
}
.breadcrumb-item + .breadcrumb-item::before { color: var(--muted); }
.breadcrumb-item a { color: var(--primary); }
.breadcrumb-item a:hover { text-decoration: underline; color: var(--primary-hover); }
.breadcrumb-item.active { color: var(--ink); }
.page-tool h1 { font-size: 34px; max-width: 12em; margin: 0; }
.page-intro { padding-top: 56px; padding-bottom: 28px; }
.intro-copy {
  max-width: 58%;
  color: var(--muted);
  font-size: 17px;
}
.intro-copy p:last-child { margin-bottom: 0; }
.page-list { padding-top: 36px; }
.entry-list { display: flex; flex-direction: column; }
.entry {
  display: grid;
  grid-template-columns: 188px minmax(0, 1fr);
  gap: 28px 36px;
  align-items: start;
  padding: 28px 8px 28px 0;
  border-top: 1px solid var(--line);
  background: transparent;
}
.entry:last-child { border-bottom: 1px solid var(--line); }
.entry:nth-child(even) { margin-left: 56px; padding-right: 0; }
.entry-side { display: flex; flex-direction: column; gap: 6px; padding-top: 4px; }
.entry-no {
  color: var(--accent);
  font-size: 13px;
  letter-spacing: 0.12em;
  font-variant-numeric: tabular-nums;
}
.entry-date { color: var(--ink); font-size: 15px; font-weight: 500; }
.entry-dur { color: var(--accent); font-size: 14px; font-variant-numeric: tabular-nums; }
.entry-title {
  font-size: 20px;
  margin: 0 0 8px;
}
.entry-title a { color: var(--ink); }
.entry-title a:hover { color: var(--primary-hover); text-decoration: underline; }
.entry-sum { color: var(--muted); margin: 0; max-width: 38em; }
.tag {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0 8px;
  margin-right: 6px;
  border-radius: 999px;
  background: var(--primary-soft);
  color: var(--primary-hover);
  font-size: 12px;
  line-height: 1;
}
.page-filter { padding-top: 64px; padding-bottom: 64px; }
.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.filter-btn {
  padding: 0 18px;
  background: #fff;
  color: var(--primary);
  border: 1px solid var(--primary);
}
.filter-btn:hover, .filter-btn:focus {
  background: var(--primary-soft);
  color: var(--primary-hover);
  transform: translateY(-1px);
}
.filter-btn:active { transform: translateY(0); }
.filter-btn.is-on {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.page-rhythm { padding-top: 72px; padding-bottom: 72px; }
.meter {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  background: #fff;
  border-radius: var(--radius-card);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.meter-item {
  padding: 28px 24px 26px;
  border-right: 1px solid var(--line);
}
.meter-item:last-child { border-right: 0; }
.meter-item strong {
  display: block;
  font-family: var(--font-serif);
  font-size: 40px;
  line-height: 1.1;
  font-weight: 700;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}
.meter-item span { display: block; margin-top: 8px; color: var(--muted); font-size: 14px; }
.page-related { padding-top: 72px; padding-bottom: 48px; }
.rel-list { list-style: none; margin: 0; padding: 0; max-width: 760px; }
.rel-item {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 18px;
  align-items: center;
  min-height: 64px;
  border-top: 1px solid var(--line);
}
.rel-item:last-child { border-bottom: 1px solid var(--line); }
.rel-item time { color: var(--accent); font-size: 14px; font-variant-numeric: tabular-nums; }
.rel-item a {
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: 18px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}
.rel-item a:hover { color: var(--primary-hover); text-decoration: underline; }
.page-more { padding: 96px 0 104px; }
.more-wrap { max-width: 420px; }
.more-wrap p { color: var(--muted); margin-bottom: 18px; }
.page-faq { padding-top: 72px; padding-bottom: 88px; }
.site-accordion { --bs-accordion-border-width: 0; --bs-accordion-btn-focus-box-shadow: none; --bs-accordion-active-bg: transparent; --bs-accordion-active-color: var(--ink); --bs-accordion-btn-padding-x: 0; background: transparent; }
.site-accordion .accordion-item {
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
}
.site-accordion .accordion-button {
  font-family: var(--font-serif);
  font-size: 18px;
  line-height: 1.45;
  color: var(--ink);
  background: transparent;
  box-shadow: none;
  padding: 20px 4px;
  min-height: 44px;
  border-radius: 0;
}
.site-accordion .accordion-button::after { filter: grayscale(1); }
.site-accordion .accordion-button:not(.collapsed) {
  background: transparent;
  color: var(--primary-hover);
  box-shadow: none;
}
.site-accordion .accordion-button:hover { color: var(--primary); }
.site-accordion .accordion-button:focus { box-shadow: none; }
.site-accordion .accordion-body {
  background: var(--primary-soft);
  color: var(--ink);
  border-radius: 8px;
  padding: 16px 18px 18px;
  margin: 0 0 16px;
}
.site-accordion .accordion-body p { margin: 0 0 0.4em; }
.site-accordion .accordion-body p:last-child { margin: 0; }
.site-footer {
  background: var(--primary-soft);
  padding: 48px 0 40px;
  border-top: 1px solid var(--line);
}
.foot-brand {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  margin: 0 0 14px;
  color: var(--ink);
}
.foot-nav { list-style: none; display: flex; flex-wrap: wrap; gap: 8px 22px; margin: 0 0 16px; padding: 0; }
.foot-nav a { color: var(--ink); min-height: 44px; display: inline-flex; align-items: center; }
.foot-nav a:hover { color: var(--primary-hover); text-decoration: underline; }
.foot-note, .foot-copy { color: var(--muted); font-size: 14px; margin: 0 0 6px; }
.entry[hidden] { display: none !important; }
@media (max-width: 1199.98px) {
  :root { --pad-block: 72px; }
  .page-tool h1 { font-size: 32px; }
  .sec-title { font-size: 26px; }
  .entry:nth-child(even) { margin-left: 28px; }
}
@media (max-width: 991.98px) {
  .nav-desktop { display: none; }
  .nav-toggle { display: flex; }
  .navbar-brand { font-size: 18px; white-space: normal; max-width: 70%; }
  .intro-copy { max-width: 100%; }
  .entry, .entry:nth-child(even) {
    grid-template-columns: 1fr;
    margin-left: 0;
    gap: 8px;
    padding-right: 0;
  }
  .meter { grid-template-columns: 1fr; }
  .meter-item { border-right: 0; border-bottom: 1px solid var(--line); }
  .meter-item:last-child { border-bottom: 0; }
  .page-more { padding: 72px 0; }
}
@media (max-width: 575.98px) {
  body .container { width: calc(100% - 32px); }
  :root { --pad-block: 48px; }
  .page-tool h1 { font-size: 30px; }
  .sec-title { font-size: 24px; }
  .entry-title, .rel-item a { font-size: 18px; }
  .meter-item strong { font-size: 32px; }
  .crumb-bar { align-items: flex-start; flex-direction: column; gap: 0; }
  .rel-item { grid-template-columns: 1fr; gap: 0; padding: 12px 0; }
}

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}