/* roulang page: index */
:root {
  --bg0: #06101c;
  --bg1: #0b1c34;
  --bg2: #102846;
  --ink: #e7eef8;
  --muted: #93a7c2;
  --faint: #6d829d;
  --line: rgba(126, 214, 232, 0.32);
  --line-soft: rgba(126, 214, 232, 0.14);
  --cyan: #3ad6f5;
  --cyan-deep: #148eab;
  --amber: #d7a15a;
  --glass: rgba(12, 28, 52, 0.62);
  --radius: 14px;
  --shadow: 0 10px 26px rgba(0, 8, 20, 0.38);
  --space: 28px;
  --max: 1120px;
  --font: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
  --mono: "IBM Plex Mono", "Source Code Pro", "Sarasa Mono SC", ui-monospace, monospace;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
  background: linear-gradient(180deg, var(--bg0) 0%, var(--bg1) 48%, #081426 100%);
  min-height: 100vh;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.18;
  background-image: radial-gradient(rgba(255,255,255,0.22) 0.6px, transparent 0.6px);
  background-size: 3px 3px;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button, input { font-family: inherit; }
button { cursor: pointer; }
::selection { background: rgba(58, 214, 245, 0.28); color: #fff; }
.skip {
  position: absolute;
  left: 16px;
  top: -40px;
  background: var(--cyan);
  color: #04202a;
  padding: 8px 12px;
  z-index: 20;
}
.skip:focus { top: 12px; }
.wrap { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; position: relative; z-index: 1; }
.site-header, main, .site-footer { position: relative; z-index: 1; }
.mono { font-family: var(--mono); }
.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(6, 16, 30, 0.88);
  border-bottom: 1px solid var(--line-soft);
  backdrop-filter: blur(14px);
}
.nav-inner {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
  min-height: 74px;
  display: flex;
  align-items: center;
  gap: 22px;
}
.logo {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--ink);
  line-height: 1.35;
  max-width: 280px;
}
.logo span { color: var(--cyan); }
.primary-nav { display: flex; align-items: center; gap: 6px; margin: 0; list-style: none; }
.primary-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 14px;
  border-radius: 10px;
  color: var(--muted);
  border: 1px solid transparent;
}
.primary-nav a:hover, .primary-nav a:focus-visible {
  color: var(--ink);
  background: rgba(58, 214, 245, 0.08);
  border-color: var(--line);
  outline: none;
}
.primary-nav a.is-active {
  color: #04222c;
  background: var(--cyan);
  box-shadow: 0 0 16px rgba(58, 214, 245, 0.35);
}
.mega { margin-left: auto; position: relative; }
.mega-btn, .nav-toggle, .btn {
  min-height: 44px;
  border-radius: 10px;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease, border-color 0.18s ease;
}
.mega-btn, .nav-toggle {
  background: rgba(10, 26, 48, 0.7);
  color: var(--ink);
  border: 1px solid var(--line);
  padding: 0 16px;
}
.mega-btn:hover, .mega-btn[aria-expanded="true"], .nav-toggle:hover, .nav-toggle[aria-expanded="true"] {
  border-color: var(--cyan);
  background: rgba(20, 48, 78, 0.9);
  box-shadow: 0 8px 20px rgba(0, 12, 28, 0.35);
}
.mega-panel {
  display: none;
  position: absolute;
  right: 0;
  top: calc(100% + 10px);
  width: min(440px, 86vw);
  padding: 16px;
  background: rgba(8, 20, 38, 0.94);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.mega:hover .mega-panel, .mega:focus-within .mega-panel, .mega-panel.is-open { display: block; }
.mega-label { color: var(--amber); font-size: 12px; letter-spacing: 0.12em; margin: 4px 0 8px; }
.mega-card {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 10px;
  padding: 8px;
  border-radius: 12px;
  border: 1px solid transparent;
  margin-bottom: 8px;
}
.mega-card:hover, .mega-card:focus-visible {
  border-color: var(--line);
  background: rgba(58, 214, 245, 0.06);
  outline: none;
}
.mega-card strong { display: block; font-size: 14px; line-height: 1.45; }
.mega-card em { font-style: normal; color: var(--muted); font-size: 12px; }
.nav-toggle { display: none; }
.still {
  border-radius: 10px;
  min-height: 56px;
  background:
    linear-gradient(160deg, rgba(58, 214, 245, 0.25), transparent 42%),
    linear-gradient(320deg, rgba(215, 161, 90, 0.28), transparent 40%),
    linear-gradient(180deg, #16365a, #0a182c);
  border: 1px solid var(--line-soft);
}
.still.tall { min-height: 120px; }
.still.s2 { background: linear-gradient(200deg, #1a4460, #0c2036 60%, #081422); }
.still.s3 { background: linear-gradient(180deg, #12324e, #1a2a40 50%, #0a1626); }
.kicker, .section-kicker {
  color: var(--amber);
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  margin: 0 0 10px;
}
h1, h2, h3 { font-weight: 700; line-height: 1.35; margin: 0 0 12px; color: var(--ink); }
h1 { font-size: clamp(34px, 5vw, 58px); letter-spacing: 0.01em; }
h2 { font-size: clamp(26px, 3vw, 36px); }
h3 { font-size: 20px; }
.lede, .section-lead { color: var(--muted); font-size: 16px; line-height: 1.85; margin: 0 0 22px; max-width: 760px; }
.rule { height: 1px; background: linear-gradient(90deg, var(--amber), transparent 80%); border: 0; margin: 14px 0 18px; }
.node-bar { display: flex; flex-wrap: wrap; gap: 10px; margin: 8px 0 22px; }
.node {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 13px;
  padding: 8px 12px;
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  background: rgba(8, 20, 36, 0.45);
}
.node b { color: var(--amber); font-weight: 600; font-family: var(--mono); }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 0 18px; border: 1px solid transparent; font-size: 15px; }
.btn-glow {
  background: linear-gradient(180deg, #7aebff, var(--cyan) 40%, var(--cyan-deep));
  color: #042028;
  font-weight: 700;
  box-shadow: 0 0 18px rgba(58, 214, 245, 0.32);
}
.btn-glow:hover { transform: translateY(-2px); box-shadow: 0 0 24px rgba(58, 214, 245, 0.5); }
.btn-glow:active { transform: translateY(0); box-shadow: 0 0 8px rgba(58, 214, 245, 0.2); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--cyan); color: var(--cyan); transform: translateY(-2px); }
.btn:focus-visible, .mega-btn:focus-visible, .nav-toggle:focus-visible, input:focus-visible, summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}
.issue-card { padding: 18px; }
.glass {
  background: linear-gradient(180deg, rgba(150, 230, 245, 0.16), rgba(10, 22, 42, 0.2) 16%, rgba(8, 18, 34, 0.72));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow), inset 0 1px 0 rgba(210, 246, 255, 0.35);
  backdrop-filter: blur(8px);
}
.issue-card .meta-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 14px; }
.meta-cell { padding: 10px; border-top: 1px solid var(--line-soft); }
.meta-cell span { display: block; color: var(--faint); font-size: 12px; }
.meta-cell strong { font-family: var(--mono); color: var(--cyan); font-size: 20px; }
.tag {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  border: 1px solid rgba(215, 161, 90, 0.5);
  color: var(--amber);
  font-size: 12px;
  letter-spacing: 0.08em;
}
section.block { padding: 76px 0; border-top: 1px solid var(--line-soft); }
section.block:nth-of-type(even) { background: rgba(6, 14, 28, 0.55); }
.pain-line {
  display: grid;
  grid-template-columns: 92px 180px 1fr;
  gap: 16px;
  align-items: center;
  padding: 16px 0;
  border-bottom: 1px solid var(--line-soft);
}
.pain-line .idx { color: var(--amber); font-family: var(--mono); }
.pain-line strong { font-size: 18px; }
.pain-line p { margin: 0; color: var(--muted); }
.offset-wrap { display: flex; flex-direction: column; gap: 14px; }
.offset-card { padding: 16px; }
.offset-card p, .info-card p, .scene p, .compact-row p { margin: 8px 0 0; color: var(--muted); font-size: 14px; line-height: 1.7; }
.card-link { color: var(--cyan); display: inline-flex; margin-top: 12px; min-height: 44px; align-items: center; }
.card-link:hover { text-shadow: 0 0 12px rgba(58, 214, 245, 0.6); }
.step {
  position: relative;
  padding: 18px 16px 8px;
  min-height: 180px;
}
.step .num { font-family: var(--mono); color: var(--amber); font-size: 22px; }
.step::after {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 16px;
  height: 1px;
  background: linear-gradient(90deg, var(--cyan), transparent);
}
.stat {
  padding: 20px 16px;
  text-align: left;
}
.stat b {
  display: block;
  font-family: var(--mono);
  font-size: 40px;
  color: var(--cyan);
  text-shadow: 0 0 16px rgba(58, 214, 245, 0.45);
  line-height: 1.1;
}
.stat span { color: var(--muted); font-size: 14px; }
.note { color: var(--faint); font-size: 13px; margin-top: 12px; }
.quote-board { display: grid; grid-template-columns: 1.25fr 0.85fr; gap: 22px; align-items: start; }
.quote { margin: 0; padding: 22px; }
.quote-b { margin-top: 46px; }
.quote p { margin: 0 0 12px; font-size: 18px; line-height: 1.7; }
.quote cite { color: var(--amber); font-style: normal; font-size: 13px; }
.audience-row {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 18px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line-soft);
}
.audience-row strong { color: var(--cyan); }
.audience-row p { margin: 0; color: var(--muted); }
.news-item {
  display: grid;
  grid-template-columns: 8px 1fr auto;
  gap: 16px;
  align-items: center;
  padding: 16px 8px;
  border-bottom: 1px solid var(--line-soft);
}
.news-item:hover { background: rgba(58, 214, 245, 0.05); }
.swatch { width: 8px; align-self: stretch; border-radius: 8px; background: var(--cyan); }
.swatch.jk { background: #7fd0c4; }
.swatch.west { background: var(--amber); }
.news-item strong { display: block; font-size: 17px; }
.news-item p { margin: 4px 0 0; color: var(--muted); font-size: 14px; }
.news-meta { color: var(--amber); font-size: 12px; text-align: right; line-height: 1.5; }
.bar-row { display: grid; grid-template-columns: 120px 1fr 52px; gap: 12px; align-items: center; margin: 14px 0; }
.track { height: 8px; background: rgba(255,255,255,0.06); border-radius: 8px; overflow: hidden; }
.track i { display: block; height: 100%; background: linear-gradient(90deg, var(--cyan-deep), var(--cyan)); box-shadow: 0 0 10px rgba(58, 214, 245, 0.45); }
.track i.alt { background: linear-gradient(90deg, #8d6a32, var(--amber)); }
.recall { padding: 22px; display: grid; grid-template-columns: 1.4fr 1fr auto; gap: 14px; align-items: end; }
.field label { display: block; color: var(--amber); font-size: 13px; margin-bottom: 6px; }
.field input {
  width: 100%;
  height: 48px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: rgba(5, 14, 26, 0.72);
  color: var(--ink);
  padding: 0 12px;
}
.side-list a {
  display: block;
  padding: 12px 0;
  border-bottom: 1px solid var(--line-soft);
  min-height: 44px;
}
.side-list a:hover { color: var(--cyan); }
.side-list small { display: block; color: var(--faint); }
.uneven { display: grid; grid-template-columns: 1.4fr 0.8fr; gap: 18px; }
.info-card { padding: 18px; min-height: 180px; }
.compact-row {
  display: grid;
  grid-template-columns: 92px 1.4fr 1fr 88px;
  gap: 12px;
  align-items: center;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-soft);
}
.compact-row strong { font-size: 16px; }
.scene-line { display: grid; grid-template-columns: 88px 1fr; gap: 16px; padding: 16px 0 16px 12px; border-left: 1px solid var(--amber); margin-left: 8px; }
.scene-line span { color: var(--amber); font-family: var(--mono); font-size: 13px; }
.faq details { border-bottom: 1px solid var(--line-soft); padding: 6px 0; }
.faq summary { min-height: 44px; display: flex; align-items: center; cursor: pointer; font-size: 17px; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::before { content: "—"; color: var(--amber); margin-right: 10px; font-family: var(--mono); }
.faq details[open] summary { color: var(--cyan); }
.faq details p { margin: 0 0 14px 28px; color: var(--muted); }
.finale { padding: 36px; display: flex; justify-content: space-between; gap: 18px; align-items: center; }
.site-footer { border-top: 1px solid var(--line-soft); padding: 42px 0 24px; background: #050d18; }
.foot-brand { font-size: 20px; font-weight: 700; margin: 0 0 8px; }
.foot-grid a { display: block; min-height: 36px; color: var(--muted); padding: 6px 0; }
.foot-grid a:hover { color: var(--cyan); }
.legal { margin-top: 22px; padding-top: 14px; border-top: 1px solid var(--line-soft); color: var(--faint); font-size: 13px; }
@media (max-width: 1024px) {
  .nav-toggle { display: inline-flex; margin-left: auto; }
  .mega { margin-left: 0; }
  .primary-nav, .mega { display: none; }
  .site-header.is-open .primary-nav, .site-header.is-open .mega { display: flex; }
  .site-header.is-open .nav-inner { flex-wrap: wrap; padding: 10px 0 16px; }
  .site-header.is-open .primary-nav { order: 3; width: 100%; flex-direction: column; align-items: stretch; }
  .site-header.is-open .mega { order: 4; width: 100%; }
  .mega-panel, .mega:hover .mega-panel, .mega:focus-within .mega-panel { position: static; display: block; width: 100%; margin-top: 8px; }
  .quote-board, .uneven, .recall, .finale { grid-template-columns: 1fr; display: grid; }
  .quote-b { margin-top: 0; }
}
@media (max-width: 768px) {
  section.block { padding: 56px 0; }
  .pain-line, .audience-row, .compact-row, .bar-row { grid-template-columns: 1fr; }
  .news-item { grid-template-columns: 8px 1fr; }
  .news-meta { grid-column: 2; text-align: left; }
  .finale { padding: 20px; }
  h1 { font-size: 34px; }
}
@media (max-width: 520px) {
  .wrap, .nav-inner { width: calc(100% - 28px); }
  .logo { font-size: 16px; max-width: 68%; }
  .btn-row, .btn, .recall .btn { width: 100%; }
  .issue-card .meta-row { grid-template-columns: 1fr; }
  .stat b { font-size: 32px; }
  .node { width: 100%; border-radius: 10px; }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; scroll-behavior: auto !important; }
}

/* roulang page: category1 */
:root {
 --bg0: #06101c;
 --bg1: #0b1c34;
 --bg2: #102846;
 --ink: #e7eef8;
 --muted: #93a7c2;
 --faint: #6d829d;
 --line: rgba(126, 214, 232, 0.32);
 --line-soft: rgba(126, 214, 232, 0.14);
 --cyan: #3ad6f5;
 --cyan-deep: #148eab;
 --amber: #d7a15a;
 --glass: rgba(12, 28, 52, 0.62);
 --radius: 14px;
 --shadow: 0 10px 26px rgba(0, 8, 20, 0.38);
 --space: 28px;
 --max: 1120px;
 --font: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
 --mono: "IBM Plex Mono", "Source Code Pro", "Sarasa Mono SC", ui-monospace, monospace;
}
/* roulang page: category1 */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
 margin: 0;
 font-family: var(--font);
 font-size: 16px;
 line-height: 1.75;
 color: var(--ink);
 background: linear-gradient(180deg, var(--bg0) 0%, var(--bg1) 48%, #081426 100%);
 min-height: 100vh;
}
body::before {
 content: "";
 position: fixed;
 inset: 0;
 pointer-events: none;
 z-index: 0;
 opacity: 0.18;
 background-image: radial-gradient(rgba(255,255,255,0.22) 0.6px, transparent 0.6px);
 background-size: 3px 3px;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button, input { font-family: inherit; }
button { cursor: pointer; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
.site-header, main, .site-footer { position: relative; z-index: 1; }
.wrap { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.site-header {
 position: sticky;
 top: 0;
 z-index: 30;
 background: rgba(6, 16, 30, 0.88);
 border-bottom: 1px solid var(--line-soft);
 backdrop-filter: blur(14px);
}
.nav-inner {
 width: min(var(--max), calc(100% - 40px));
 margin: 0 auto;
 min-height: 74px;
 display: flex;
 align-items: center;
 gap: 22px;
}
.logo {
 font-size: 18px;
 font-weight: 700;
 letter-spacing: 0.02em;
 color: var(--ink);
 line-height: 1.35;
 max-width: 320px;
}
.logo span { color: var(--cyan); }
.primary-nav { display: flex; align-items: center; gap: 6px; margin: 0; list-style: none; }
.primary-nav a {
 display: inline-flex;
 align-items: center;
 min-height: 44px;
 padding: 0 14px;
 border-radius: 10px;
 color: var(--muted);
 border: 1px solid transparent;
}
.primary-nav a:hover, .primary-nav a:focus-visible {
 color: var(--ink);
 background: rgba(58, 214, 245, 0.08);
 border-color: var(--line);
 outline: none;
}
.primary-nav a.is-active {
 color: #04222c;
 background: var(--cyan);
 box-shadow: 0 0 16px rgba(58, 214, 245, 0.35);
}
.mega { margin-left: auto; position: relative; }
.mega-btn, .nav-toggle, .btn {
 min-height: 44px;
 border-radius: 10px;
 transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease, border-color 0.18s ease;
}
.mega-btn, .nav-toggle {
 background: rgba(10, 26, 48, 0.7);
 color: var(--ink);
 border: 1px solid var(--line);
 padding: 0 16px;
}
.mega-btn:hover, .mega-btn[aria-expanded="true"], .nav-toggle:hover, .nav-toggle[aria-expanded="true"] {
 border-color: var(--cyan);
 background: rgba(20, 48, 78, 0.9);
 box-shadow: 0 8px 20px rgba(0, 12, 28, 0.35);
}
.mega-panel {
 display: none;
 position: absolute;
 right: 0;
 top: calc(100% + 10px);
 width: min(440px, 86vw);
 padding: 16px;
 background: rgba(8, 20, 38, 0.94);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
}
.mega:hover .mega-panel, .mega:focus-within .mega-panel, .mega-panel.is-open { display: block; }
.mega-label { color: var(--amber); font-size: 12px; letter-spacing: 0.12em; margin: 4px 0 8px; }
.mega-card {
 display: grid;
 grid-template-columns: 72px 1fr;
 gap: 10px;
 padding: 8px;
 border-radius: 12px;
 border: 1px solid transparent;
 margin-bottom: 8px;
}
.mega-card:hover, .mega-card:focus-visible {
 border-color: var(--line);
 background: rgba(58, 214, 245, 0.06);
 outline: none;
}
.mega-card strong { display: block; font-size: 14px; line-height: 1.45; }
.mega-card em { font-style: normal; color: var(--muted); font-size: 12px; }
.swatch {
 display: block;
 height: 52px;
 border-radius: 8px;
 background: linear-gradient(160deg, #12304e, #071422 70%);
 border: 1px solid var(--line-soft);
}
.swatch.amber { background: linear-gradient(160deg, #3a2c18, #0d1726 72%); }
.swatch.deep { background: linear-gradient(160deg, #0e3a46, #08111e 70%); }
.nav-toggle { display: none; }
.kicker, .section-kicker {
 color: var(--amber);
 font-family: var(--mono);
 font-size: 13px;
 letter-spacing: 0.08em;
 margin: 0 0 10px;
}
.lede, .section-lead { color: var(--muted); font-size: 16px; line-height: 1.85; margin: 0 0 22px; max-width: 760px; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 0 18px; border: 1px solid transparent; font-size: 15px; }
.btn-glow {
 background: linear-gradient(180deg, #7aebff, var(--cyan) 40%, var(--cyan-deep));
 color: #042028;
 font-weight: 700;
 box-shadow: 0 0 18px rgba(58, 214, 245, 0.32);
}
.btn-glow:hover { transform: translateY(-2px); box-shadow: 0 0 24px rgba(58, 214, 245, 0.5); }
.btn-glow:active { transform: translateY(0); box-shadow: 0 0 8px rgba(58, 214, 245, 0.2); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--cyan); color: var(--cyan); transform: translateY(-2px); }
.btn:focus-visible, .mega-btn:focus-visible, .nav-toggle:focus-visible, input:focus-visible, summary:focus-visible, .chip:focus-visible {
 outline: 2px solid var(--cyan);
 outline-offset: 2px;
}
.glass {
 background: var(--glass);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
 backdrop-filter: blur(10px);
 position: relative;
}
.glass::before {
 content: "";
 position: absolute;
 left: 14px;
 right: 14px;
 top: 0;
 height: 1px;
 background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
}
.tag {
 display: inline-flex;
 align-items: center;
 min-height: 28px;
 padding: 0 10px;
 border-radius: 999px;
 border: 1px solid rgba(215, 161, 90, 0.5);
 color: var(--amber);
 font-size: 12px;
 letter-spacing: 0.08em;
}
h1 { font-size: 40px; line-height: 1.28; margin: 0 0 12px; font-weight: 700; }
h2 { font-size: 28px; line-height: 1.35; margin: 0 0 14px; font-weight: 700; }
h3 { font-size: 18px; line-height: 1.45; margin: 0; font-weight: 650; }
section.block { padding: 76px 0; border-top: 1px solid var(--line-soft); }
section.block:nth-of-type(even) { background: rgba(6, 14, 28, 0.55); }
.mast { padding-top: 54px; }
.mast h1 { max-width: 16em; }
.ruler {
 display: flex;
 flex-wrap: wrap;
 gap: 10px 22px;
 margin: 8px 0 22px;
 padding-top: 12px;
 border-top: 1px solid var(--line-soft);
}
.ruler span { font-family: var(--mono); font-size: 13px; color: var(--amber); letter-spacing: 0.04em; }
.ruler b { display: block; color: var(--ink); font-weight: 600; font-family: var(--font); letter-spacing: 0; margin-top: 2px; }
.filter-line { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.filter-line .section-kicker { margin: 0 8px 0 0; }
.chip {
 min-height: 44px;
 padding: 0 14px;
 border-radius: 10px;
 border: 1px solid var(--line);
 background: rgba(8, 20, 38, 0.45);
 color: var(--muted);
}
.chip.is-on {
 color: #042028;
 background: var(--cyan);
 border-color: transparent;
 box-shadow: 0 0 14px rgba(58, 214, 245, 0.28);
}
.film-row {
 display: grid;
 grid-template-columns: 6px minmax(0, 1fr) 148px;
 gap: 16px;
 align-items: stretch;
 padding: 16px 16px;
 margin-bottom: 12px;
 border-radius: var(--radius);
 border: 1px solid var(--line-soft);
 background: rgba(10, 24, 44, 0.55);
 transition: border-color 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
}
.film-row:hover {
 border-color: var(--line);
 transform: translateY(-2px);
 box-shadow: var(--shadow);
}
.mark { border-radius: 4px; background: var(--cyan); box-shadow: 0 0 10px rgba(58, 214, 245, 0.45); }
.mark.m2 { background: var(--amber); box-shadow: none; }
.mark.m3 { background: #7eb6ff; }
.film-row p { margin-top: 6px; color: var(--muted); font-size: 14px; line-height: 1.7; }
.film-meta { text-align: right; color: var(--faint); font-size: 12px; font-family: var(--mono); line-height: 1.7; padding-top: 2px; }
.film-meta strong { display: block; color: var(--cyan); font-size: 13px; font-weight: 600; }
.edit-copy { font-size: 18px; line-height: 1.9; margin: 0 0 18px; max-width: 640px; }
.side-note { padding: 18px 18px 16px; }
.side-note p { color: var(--muted); font-size: 14px; line-height: 1.75; margin-top: 8px; }
.doc-row {
 display: grid;
 grid-template-columns: 72px minmax(0, 1fr) auto;
 gap: 14px;
 align-items: center;
 padding: 14px 0;
 border-bottom: 1px solid var(--line-soft);
}
.doc-row:hover .doc-no { color: var(--cyan); }
.doc-no { font-family: var(--mono); color: var(--amber); font-size: 13px; }
.doc-row p { color: var(--muted); font-size: 14px; margin-top: 4px; }
.doc-row a { color: var(--ink); }
.doc-row a:hover { color: var(--cyan); }
.jump { color: var(--cyan); font-size: 13px; min-height: 44px; display: inline-flex; align-items: center; }
.bar-row { display: grid; grid-template-columns: 112px 1fr 52px; gap: 12px; align-items: center; margin: 14px 0; }
.bar-track { height: 8px; border-radius: 99px; background: rgba(255,255,255,0.06); overflow: hidden; }
.bar-fill { display: block; height: 8px; border-radius: 99px; background: linear-gradient(90deg, var(--cyan-deep), var(--cyan)); box-shadow: 0 0 12px rgba(58, 214, 245, 0.4); }
.bar-row em { font-style: normal; font-family: var(--mono); color: var(--cyan); font-size: 13px; text-align: right; }
.stat-mini { display: flex; gap: 18px; flex-wrap: wrap; margin-bottom: 8px; }
.stat-mini div { min-width: 120px; }
.stat-mini strong { display: block; font-family: var(--mono); font-size: 28px; color: var(--cyan); line-height: 1.2; text-shadow: 0 0 12px rgba(58, 214, 245, 0.35); }
.stat-mini span { color: var(--faint); font-size: 13px; }
.faq-item { border-bottom: 1px solid var(--line-soft); }
.faq-item summary {
 min-height: 52px;
 display: flex;
 align-items: center;
 justify-content: space-between;
 gap: 12px;
 cursor: pointer;
 font-size: 17px;
 list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; color: var(--amber); font-family: var(--mono); }
.faq-item[open] summary::after { content: "–"; }
.faq-item p { color: var(--muted); padding: 0 0 14px; max-width: 760px; }
.more-band {
 display: flex;
 justify-content: space-between;
 align-items: center;
 gap: 18px;
 padding: 22px 22px;
}
.more-band p { color: var(--muted); margin: 6px 0 0; }
.site-footer { border-top: 1px solid var(--line-soft); padding: 48px 0 28px; background: #050d18; }
.foot-brand { font-size: 18px; font-weight: 700; margin: 0 0 8px; }
.site-footer a { display: flex; align-items: center; min-height: 36px; color: var(--muted); }
.site-footer a:hover { color: var(--cyan); }
.legal { color: var(--faint); font-size: 13px; border-top: 1px solid var(--line-soft); margin: 22px 0 0; padding-top: 16px; }
.card-link { color: var(--cyan); display: inline-flex; margin-top: 12px; min-height: 44px; align-items: center; }
.card-link:hover { text-shadow: 0 0 12px rgba(58, 214, 245, 0.6); }
@media (max-width: 1024px) {
 h1 { font-size: 34px; }
 .film-row { grid-template-columns: 6px minmax(0, 1fr) 120px; }
 .more-band { align-items: flex-start; }
}
@media (max-width: 768px) {
 .nav-toggle { display: inline-flex; align-items: center; }
 .primary-nav {
  display: none;
  position: absolute;
  left: 0;
  right: 0;
  top: 74px;
  flex-direction: column;
  align-items: stretch;
  gap: 4px;
  padding: 10px 16px 16px;
  background: rgba(6, 16, 30, 0.97);
  border-bottom: 1px solid var(--line);
 }
 .primary-nav.is-open { display: flex; }
 .primary-nav a { width: 100%; }
 .mega-panel { width: min(440px, calc(100vw - 32px)); }
 .film-row, .doc-row, .bar-row { grid-template-columns: 6px minmax(0, 1fr); }
 .doc-row { grid-template-columns: 56px minmax(0, 1fr); }
 .film-meta, .jump { text-align: left; grid-column: 2; }
 .bar-row { grid-template-columns: 92px 1fr; }
 .bar-row em { grid-column: 2; text-align: left; }
 section.block { padding: 56px 0; }
}
@media (max-width: 520px) {
 .wrap, .nav-inner { width: calc(100% - 28px); }
 .logo { font-size: 15px; max-width: 58%; }
 h1 { font-size: 30px; }
 h2 { font-size: 24px; }
 .more-band { flex-direction: column; }
 .mega { margin-left: auto; }
}

/* roulang page: category2 */
:root {
 --bg0: #06101c;
 --bg1: #0b1c34;
 --bg2: #102846;
 --ink: #e7eef8;
 --muted: #93a7c2;
 --faint: #6d829d;
 --line: rgba(126, 214, 232, 0.32);
 --line-soft: rgba(126, 214, 232, 0.14);
 --cyan: #3ad6f5;
 --cyan-deep: #148eab;
 --amber: #d7a15a;
 --glass: rgba(12, 28, 52, 0.62);
 --radius: 14px;
 --shadow: 0 10px 26px rgba(0, 8, 20, 0.38);
 --space: 28px;
 --max: 1120px;
 --font: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
 --mono: "IBM Plex Mono", "Source Code Pro", "Sarasa Mono SC", ui-monospace, monospace;
}
/* roulang page: category2 */
html { scroll-behavior: smooth; }
*, *::before, *::after { box-sizing: border-box; }
body {
 margin: 0;
 font-family: var(--font);
 font-size: 16px;
 line-height: 1.75;
 color: var(--ink);
 background: linear-gradient(180deg, var(--bg0) 0%, var(--bg1) 48%, #081426 100%);
 min-height: 100vh;
}
body::before {
 content: "";
 position: fixed;
 inset: 0;
 pointer-events: none;
 z-index: 0;
 opacity: 0.18;
 background-image: radial-gradient(rgba(255,255,255,0.22) 0.6px, transparent 0.6px);
 background-size: 3px 3px;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button, input { font-family: inherit; }
button { cursor: pointer; }
p { margin: 0; }
ul { margin: 0; padding: 0; }
.site-header, main, .site-footer { position: relative; z-index: 1; }
.site-header {
 position: sticky;
 top: 0;
 z-index: 30;
 background: rgba(6, 16, 30, 0.88);
 border-bottom: 1px solid var(--line-soft);
 backdrop-filter: blur(14px);
}
.nav-inner {
 width: min(var(--max), calc(100% - 40px));
 margin: 0 auto;
 min-height: 74px;
 display: flex;
 align-items: center;
 gap: 22px;
}
.logo {
 font-size: 18px;
 font-weight: 700;
 letter-spacing: 0.02em;
 color: var(--ink);
 line-height: 1.35;
 max-width: 280px;
}
.logo span { color: var(--cyan); }
.primary-nav { display: flex; align-items: center; gap: 6px; margin: 0; list-style: none; }
.primary-nav a {
 display: inline-flex;
 align-items: center;
 min-height: 44px;
 padding: 0 14px;
 border-radius: 10px;
 color: var(--muted);
 border: 1px solid transparent;
}
.primary-nav a:hover, .primary-nav a:focus-visible {
 color: var(--ink);
 background: rgba(58, 214, 245, 0.08);
 border-color: var(--line);
 outline: none;
}
.primary-nav a.is-active {
 color: #04222c;
 background: var(--cyan);
 box-shadow: 0 0 16px rgba(58, 214, 245, 0.35);
}
.mega { margin-left: auto; position: relative; }
.mega-btn, .nav-toggle, .btn {
 min-height: 44px;
 border-radius: 10px;
 transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease, border-color 0.18s ease;
}
.mega-btn, .nav-toggle {
 background: rgba(10, 26, 48, 0.7);
 color: var(--ink);
 border: 1px solid var(--line);
 padding: 0 16px;
}
.mega-btn:hover, .mega-btn[aria-expanded="true"], .nav-toggle:hover, .nav-toggle[aria-expanded="true"] {
 border-color: var(--cyan);
 background: rgba(20, 48, 78, 0.9);
 box-shadow: 0 8px 20px rgba(0, 12, 28, 0.35);
}
.mega-panel {
 display: none;
 position: absolute;
 right: 0;
 top: calc(100% + 10px);
 width: min(440px, 86vw);
 padding: 16px;
 background: rgba(8, 20, 38, 0.94);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
}
.mega:hover .mega-panel, .mega:focus-within .mega-panel, .mega-panel.is-open { display: block; }
.mega-label { color: var(--amber); font-size: 12px; letter-spacing: 0.12em; margin: 4px 0 8px; }
.mega-card {
 display: grid;
 grid-template-columns: 72px 1fr;
 gap: 10px;
 padding: 8px;
 border-radius: 12px;
 border: 1px solid transparent;
 margin-bottom: 8px;
 color: var(--ink);
}
.mega-card:hover, .mega-card:focus-visible {
 border-color: var(--line);
 background: rgba(58, 214, 245, 0.06);
 outline: none;
}
.mega-card strong { display: block; font-size: 14px; line-height: 1.45; }
.mega-card em { font-style: normal; color: var(--muted); font-size: 12px; }
.nav-toggle { display: none; }
.swatch {
 width: 72px;
 height: 52px;
 border-radius: 8px;
 border: 1px solid var(--line-soft);
}
.swatch-a { background: linear-gradient(145deg, #0c2744, #1a6d86 70%, #123); }
.swatch-b { background: linear-gradient(160deg, #102033, #24556e, #0b1524); }
.swatch-c { background: linear-gradient(180deg, #16324e, #0e1c30 60%, #2a2418); }
.swatch-d { background: linear-gradient(135deg, #0e2438, #3d6f86, #102033); }
.swatch-e { background: linear-gradient(200deg, #1a2433, #3e3428 55%, #101820); }
.swatch-f { background: linear-gradient(145deg, #1c2836, #6a5438, #121820); }
.swatch-g { background: linear-gradient(180deg, #123044, #1d4e66, #0c1824); }
.swatch-h { background: linear-gradient(160deg, #182430, #355066, #241c14); }
.kicker, .section-kicker {
 color: var(--amber);
 font-family: var(--mono);
 font-size: 13px;
 letter-spacing: 0.08em;
 margin: 0 0 10px;
}
.lede, .section-lead { color: var(--muted); font-size: 16px; line-height: 1.85; margin: 0 0 22px; max-width: 760px; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 0 18px; border: 1px solid transparent; font-size: 15px; }
.btn-glow {
 background: linear-gradient(180deg, #7aebff, var(--cyan) 40%, var(--cyan-deep));
 color: #042028;
 font-weight: 700;
 box-shadow: 0 0 18px rgba(58, 214, 245, 0.32);
}
.btn-glow:hover { transform: translateY(-2px); box-shadow: 0 0 24px rgba(58, 214, 245, 0.5); }
.btn-glow:active { transform: translateY(0); box-shadow: 0 0 8px rgba(58, 214, 245, 0.2); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--cyan); color: var(--cyan); transform: translateY(-2px); }
.btn-ghost:active { transform: translateY(0); }
.btn:focus-visible, .mega-btn:focus-visible, .nav-toggle:focus-visible, input:focus-visible, summary:focus-visible, a:focus-visible {
 outline: 2px solid var(--cyan);
 outline-offset: 2px;
}
.glass {
 background: var(--glass);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
 backdrop-filter: blur(10px);
 position: relative;
}
.glass::before {
 content: "";
 position: absolute;
 left: 14px;
 right: 14px;
 top: 0;
 height: 1px;
 background: linear-gradient(90deg, transparent, rgba(186, 244, 255, 0.9), transparent);
 pointer-events: none;
}
.issue-card { padding: 18px; }
.issue-no {
 font-family: var(--mono);
 font-size: 40px;
 line-height: 1;
 color: var(--cyan);
 margin: 8px 0 6px;
 text-shadow: 0 0 16px rgba(58, 214, 245, 0.35);
}
.issue-card .meta-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 14px; }
.meta-cell { padding: 10px; border-top: 1px solid var(--line-soft); }
.meta-cell span { display: block; color: var(--faint); font-size: 12px; }
.meta-cell strong { font-family: var(--mono); color: var(--cyan); font-size: 20px; }
.tag {
 display: inline-flex;
 align-items: center;
 min-height: 28px;
 padding: 0 10px;
 border-radius: 999px;
 border: 1px solid rgba(215, 161, 90, 0.5);
 color: var(--amber);
 font-size: 12px;
 letter-spacing: 0.08em;
}
.wrap {
 width: min(var(--max), calc(100% - 40px));
 margin: 0 auto;
}
.wrap > .row { max-width: none; }
section.block { padding: 76px 0; border-top: 1px solid var(--line-soft); }
section.block:nth-of-type(even) { background: rgba(6, 14, 28, 0.55); }
.block h1, .block h2 {
 margin: 0 0 12px;
 font-weight: 700;
 letter-spacing: 0.01em;
 line-height: 1.35;
}
.block h1 { font-size: 42px; max-width: 16em; }
.block h2 { font-size: 30px; }
.rule-top {
 display: flex;
 justify-content: space-between;
 gap: 12px;
 border-top: 1px solid rgba(215, 161, 90, 0.45);
 border-bottom: 1px solid var(--line-soft);
 padding: 8px 0;
 margin-bottom: 18px;
 color: var(--amber);
 font-family: var(--mono);
 font-size: 12px;
 letter-spacing: 0.08em;
}
.dual-mast { padding-top: 54px; }
.film-list { display: flex; flex-direction: column; }
.film-row {
 display: grid;
 grid-template-columns: 8px minmax(0, 1fr) 148px;
 gap: 16px;
 align-items: stretch;
 padding: 18px 0;
 border-bottom: 1px solid var(--line-soft);
}
.film-row:hover { background: rgba(58, 214, 245, 0.04); }
.bar-mark { border-radius: 99px; background: linear-gradient(180deg, var(--cyan), #0e4f63); }
.bar-amber { background: linear-gradient(180deg, var(--amber), #6d5228); }
.film-main h3 { margin: 0 0 6px; font-size: 18px; line-height: 1.45; }
.film-main p { color: var(--muted); font-size: 14px; line-height: 1.75; max-width: 68ch; }
.film-meta { text-align: right; color: var(--faint); font-size: 12px; line-height: 1.7; font-family: var(--mono); }
.film-meta b { display: block; color: var(--cyan); font-weight: 500; font-size: 13px; }
.ruler { margin-top: 8px; }
.ruler-line {
 display: grid;
 grid-template-columns: 132px minmax(0, 1fr) 88px;
 gap: 16px;
 align-items: center;
 padding: 16px 0;
 border-bottom: 1px solid var(--line-soft);
}
.ruler-line strong { color: var(--ink); font-size: 16px; }
.ruler-line span { color: var(--muted); }
.ruler-line em { font-style: normal; font-family: var(--mono); color: var(--amber); text-align: right; }
.guide-copy p { color: var(--muted); margin-bottom: 14px; line-height: 1.9; }
.note-card { padding: 18px 18px 8px; }
.note-card li {
 list-style: none;
 padding: 12px 0;
 border-bottom: 1px solid var(--line-soft);
 color: var(--ink);
 font-size: 14px;
}
.note-card li span { display: block; color: var(--amber); font-family: var(--mono); font-size: 12px; }
.article-row {
 display: grid;
 grid-template-columns: 72px minmax(0, 1fr) auto;
 gap: 14px;
 align-items: center;
 padding: 14px 0;
 border-bottom: 1px solid var(--line-soft);
 min-height: 72px;
}
.article-row:hover .article-row-title { color: var(--cyan); }
.article-row-title { display: block; font-size: 17px; margin-bottom: 4px; }
.article-row p { color: var(--muted); font-size: 14px; }
.idx {
 font-family: var(--mono);
 color: var(--amber);
 font-size: 13px;
}
.metric-block { padding-top: 8px; }
.metric-line { margin: 0 0 18px; }
.metric-line header {
 display: flex;
 justify-content: space-between;
 gap: 12px;
 margin-bottom: 8px;
 font-size: 14px;
}
.metric-line header b { font-family: var(--mono); color: var(--cyan); font-weight: 500; }
.track {
 height: 8px;
 border-radius: 99px;
 background: rgba(126, 214, 232, 0.12);
 border: 1px solid var(--line-soft);
 overflow: hidden;
}
.fill {
 display: block;
 height: 100%;
 border-radius: inherit;
 background: linear-gradient(90deg, var(--cyan-deep), var(--cyan));
 box-shadow: 0 0 12px rgba(58, 214, 245, 0.45);
}
.fill-amber { background: linear-gradient(90deg, #6d5228, var(--amber)); box-shadow: 0 0 10px rgba(215, 161, 90, 0.28); }
.metric-foot { color: var(--faint); font-size: 13px; margin-top: 8px; }
.more-band {
 background: linear-gradient(180deg, rgba(8, 22, 40, 0.2), rgba(4, 12, 24, 0.72));
}
.more-inner {
 display: flex;
 justify-content: space-between;
 align-items: flex-end;
 gap: 24px;
}
.more-inner h2 { margin-bottom: 8px; }
.site-footer {
 position: relative;
 z-index: 1;
 border-top: 1px solid var(--line-soft);
 padding: 48px 0 28px;
 background: rgba(4, 10, 20, 0.72);
}
.foot-grid a, .foot-brand, .site-footer .section-lead { display: block; }
.foot-brand { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.site-footer a { color: var(--muted); min-height: 36px; display: inline-flex; align-items: center; }
.site-footer a:hover { color: var(--cyan); }
.legal {
 margin-top: 22px;
 padding-top: 16px;
 border-top: 1px solid var(--line-soft);
 color: var(--faint);
 font-size: 13px;
}
@media (max-width: 1024px) {
 .nav-inner { flex-wrap: wrap; padding: 10px 0 12px; }
 .nav-toggle { display: inline-flex; align-items: center; margin-left: auto; }
 .primary-nav, .mega { display: none; width: 100%; }
 .primary-nav.is-open {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 4px;
 }
 .mega.is-open { display: block; position: static; }
 .mega.is-open .mega-panel, .mega-panel.is-open {
  display: block;
  position: static;
  width: 100%;
  margin-top: 8px;
 }
 .primary-nav a, .mega-btn { width: 100%; justify-content: flex-start; }
 .block h1 { font-size: 34px; }
 .block h2 { font-size: 26px; }
}
@media (max-width: 768px) {
 section.block { padding: 56px 0; }
 .film-row, .article-row, .ruler-line { grid-template-columns: 8px minmax(0, 1fr); }
 .film-meta, .ruler-line em { text-align: left; grid-column: 2; }
 .article-row { grid-template-columns: 56px minmax(0, 1fr); }
 .article-row .idx { grid-column: 1; }
 .more-inner { flex-direction: column; align-items: flex-start; }
 .issue-no { font-size: 34px; }
}
@media (max-width: 520px) {
 .wrap, .nav-inner { width: min(var(--max), calc(100% - 28px)); }
 .logo { font-size: 16px; max-width: 68%; }
 .block h1 { font-size: 28px; }
 .block h2 { font-size: 22px; }
 .rule-top { flex-direction: column; gap: 4px; }
 .btn { width: 100%; }
 .meta-row { grid-template-columns: 1fr 1fr; }
}
