/* roulang page: index */
:root {
  --blue: #2F6FED;
  --blue-deep: #245FDB;
  --indigo: #5C6BC0;
  --amber: #E8A54B;
  --amber-deep: #D4922E;
  --bg: #F4F7FB;
  --card: #FFFFFF;
  --text: #1C2430;
  --muted: #5E6A7A;
  --line: #E3EAF3;
  --soft: #EAF1FE;
  --radius: 16px;
  --btn-radius: 10px;
  --shadow: 0 10px 28px rgba(47,111,237,0.08);
  --shadow-hover: 0 16px 34px rgba(47,111,237,0.14);
  --space: 24px;
  --max: 1160px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", system-ui, sans-serif;
  font-size: 16.5px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
button, input, select, textarea { font-family: inherit; font-size: 16px; }
a { color: inherit; text-decoration: none; }
p { margin: 0 0 0.8em; }
h1, h2, h3, h4 { margin: 0 0 0.45em; line-height: 1.3; font-weight: 700; color: var(--text); }
h1 { font-size: 36px; letter-spacing: 0; }
h2 { font-size: 26px; }
h3 { font-size: 18px; }
.grid-container { max-width: var(--max); width: 100%; margin: 0 auto; padding-left: 20px; padding-right: 20px; }
.sec { padding: 72px 0; }
.sec-white { background: var(--card); }
.sec-tint { background: var(--bg); }
.sec-desc { max-width: 40em; color: var(--muted); margin-bottom: 28px; }
.sec-label { margin: 0 0 10px; color: var(--indigo); font-size: 14px; font-weight: 700; }
.lead { font-size: 17px; color: var(--text); max-width: 40em; }
.subline { color: var(--muted); max-width: 36em; margin-bottom: 14px; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: #fff;
  border-bottom: 1px solid var(--line);
}
.topbar {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  font-weight: 760;
  font-size: 18px;
  color: var(--text);
}
.brand-mark {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 8px 0 0 var(--indigo);
  flex: none;
}
.nav-desk { display: flex; align-items: center; gap: 12px; }
.nav-pill, .btn, .btn-amber, .btn-primary, .btn-ghost, .menu-toggle, .text-link {
  transition: background .2s ease, color .2s ease, box-shadow .2s ease, transform .2s ease, border-color .2s ease;
}
.nav-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid var(--blue);
  color: var(--blue);
  background: #fff;
  font-weight: 650;
}
.nav-pill:hover, .nav-pill:focus-visible { background: var(--soft); }
.nav-pill.is-active, .nav-pill:active { background: var(--blue); color: #fff; }
.btn, .btn-amber, .btn-primary, .btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: var(--btn-radius);
  border: 1px solid transparent;
  font-weight: 700;
  cursor: pointer;
  text-align: center;
}
.btn-amber { background: var(--amber); color: var(--text); }
.btn-amber:hover, .btn-amber:focus-visible { background: var(--amber-deep); color: var(--text); }
.btn-amber:active { transform: translateY(1px); }
.btn-primary { background: var(--blue); color: #fff; box-shadow: var(--shadow); }
.btn-primary:hover, .btn-primary:focus-visible { background: var(--blue-deep); color: #fff; transform: translateY(-1px); }
.btn-primary:active { transform: translateY(0); }
.btn-ghost {
  background: #fff;
  color: var(--blue);
  border-color: var(--line);
}
.btn-ghost:hover, .btn-ghost:focus-visible { border-color: var(--blue); background: var(--soft); }
.menu-toggle {
  min-width: 44px;
  min-height: 44px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--text);
  padding: 0 12px;
  font-weight: 700;
  cursor: pointer;
}
.menu-toggle:hover { border-color: var(--blue); color: var(--blue); }
#navDrawer { background: #fff; padding: 28px 18px; }
.drawer-cta { width: 100%; margin: 28px 0 16px; }
.drawer-links { display: flex; flex-direction: column; gap: 12px; }
.drawer-links .nav-pill { width: 100%; }
.close-x {
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
}
.board-grid { align-items: stretch; }
.metric-bento {
  display: grid;
  grid-template-columns: 1.25fr 0.85fr 1fr;
  gap: 16px;
}
.metric-tile {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px 22px;
  min-height: 128px;
}
.metric-tile.span-2 { grid-column: span 2; }
.metric-tile .num {
  display: block;
  margin-top: 8px;
  font-size: 40px;
  line-height: 1.1;
  font-weight: 760;
  color: var(--blue);
}
.metric-k { color: var(--muted); font-size: 14px; }
.metric-note { margin: 10px 0 0; color: var(--muted); font-size: 13px; display: flex; align-items: center; gap: 6px; }
.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--amber);
  display: inline-block;
  flex: none;
}
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px;
}
.card:hover { box-shadow: var(--shadow-hover); transform: translateY(-1px); }
.panel-main { min-height: 100%; background: linear-gradient(180deg, #fff 0%, #f8fbff 100%); }
.panel-main ol { margin: 12px 0 0; padding-left: 1.2em; color: var(--text); }
.panel-main li { margin: 6px 0; }
.stack-cards { display: flex; flex-direction: column; gap: 24px; height: 100%; }
.stack-cards .card { flex: 1; }
.tag {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  border: 1px solid var(--indigo);
  color: var(--indigo);
  background: #fff;
  font-size: 13px;
  font-weight: 650;
  margin: 0 8px 8px 0;
}
.compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.compare-row {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 10px;
  padding: 12px 0;
  border-top: 1px solid var(--line);
}
.compare-row strong { color: var(--indigo); font-size: 14px; }
.timeline {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 8px;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 16px;
  height: 2px;
  background: var(--line);
}
.t-node { position: relative; padding-top: 42px; }
.t-node i {
  position: absolute;
  top: 6px;
  left: 0;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--indigo);
  border: 4px solid #fff;
  box-shadow: 0 0 0 1px var(--indigo);
}
.news-item {
  display: grid;
  grid-template-columns: 196px 1fr;
  gap: 18px;
  padding: 18px;
  margin-bottom: 16px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.news-item:hover { box-shadow: var(--shadow-hover); transform: translateY(-1px); }
.shot {
  min-height: 124px;
  border-radius: 12px;
  background: #E7EEF9;
  color: var(--indigo);
  display: flex;
  align-items: flex-end;
  padding: 12px;
  font-size: 14px;
  font-weight: 700;
}
.meta-line { color: var(--muted); font-size: 14px; margin-bottom: 6px; }
.more-wrap { margin-top: 8px; }
.guard {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.guard article {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
  min-height: 148px;
}
.ico {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--soft);
  color: var(--blue);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 8px;
}
.qa-line {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 18px;
  align-items: start;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}
.qa-q { margin: 0; font-weight: 700; }
.qa-a { margin: 0; color: var(--muted); }
.faq-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  margin-bottom: 12px;
  box-shadow: var(--shadow);
  padding: 0 16px;
}
.faq-item summary {
  min-height: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  cursor: pointer;
  font-weight: 700;
  list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; color: var(--indigo); font-size: 22px; font-weight: 500; }
.faq-item[open] summary::after { content: "–"; }
.faq-item p { color: var(--muted); padding-bottom: 12px; }
.form-card label { display: block; font-weight: 700; margin: 12px 0 6px; }
.form-card input, .form-card select, .form-card textarea {
  width: 100%;
  min-height: 46px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  color: var(--text);
  padding: 10px 12px;
}
.form-card textarea { min-height: 110px; resize: vertical; }
.form-card input:focus, .form-card select:focus, .form-card textarea:focus {
  border-color: var(--blue);
  outline: 2px solid rgba(47,111,237,.25);
}
.form-ok, .form-err {
  margin-top: 12px;
  padding: 12px 14px;
  border-radius: 10px;
}
.form-ok { background: #EAF7EE; color: #1D6B3A; }
.form-err { background: #FFF4E8; color: #8A5A12; }
.scene-grid { align-items: start; }
.scene {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
}
.scene.tall { min-height: 300px; background: #fff; }
.scene.mid { min-height: 240px; }
.scene.short { min-height: 190px; }
.entry {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 148px;
  margin-bottom: 18px;
}
.entry .arrow {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--soft);
  color: var(--blue);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex: none;
}
.tag-row { margin-bottom: 8px; }
.tag-label { color: var(--muted); margin-right: 8px; font-size: 14px; }
.h-scroll {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  padding: 6px 2px 12px;
  scroll-snap-type: x mandatory;
}
.h-card {
  flex: 0 0 270px;
  scroll-snap-align: start;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px;
  min-height: 160px;
}
.h-card:hover { transform: translateY(-1px); box-shadow: var(--shadow-hover); }
.quote-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
blockquote {
  margin: 0;
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  padding: 22px;
}
blockquote p { font-size: 17px; }
cite { display: block; margin-top: 12px; color: var(--indigo); font-style: normal; font-weight: 700; }
.week {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  padding-bottom: 8px;
}
.day {
  flex: 1 0 150px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px;
  box-shadow: var(--shadow);
  min-height: 150px;
}
.day b { display: block; color: var(--blue); margin-bottom: 6px; }
.anchor-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 18px; }
.site-footer { background: #fff; border-top: 1px solid var(--line); padding: 48px 0 24px; }
.brand-foot { font-size: 20px; font-weight: 760; margin-bottom: 18px; }
.foot-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.foot-grid a { display: inline-flex; align-items: center; min-height: 44px; color: var(--blue); font-weight: 700; }
.foot-grid a:hover { color: var(--blue-deep); }
.foot-grid p { color: var(--muted); }
.copy { margin-top: 22px; padding-top: 16px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
.text-link { color: var(--blue); font-weight: 700; }
.text-link:hover { color: var(--blue-deep); }
a:focus-visible, button:focus-visible, summary:focus-visible, .nav-pill:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}
@media (max-width: 1023px) {
  h1 { font-size: 32px; }
  .metric-bento { grid-template-columns: 1fr 1fr; }
  .metric-tile.span-2 { grid-column: span 2; }
  .guard { grid-template-columns: 1fr 1fr; }
  .qa-line { grid-template-columns: 1fr; gap: 4px; }
}
@media (max-width: 767px) {
  .sec { padding: 40px 0; }
  h1 { font-size: 28px; }
  h2 { font-size: 22px; }
  .compare, .quote-grid, .foot-grid, .timeline { grid-template-columns: 1fr; }
  .timeline::before { left: 10px; right: auto; top: 0; bottom: 0; width: 2px; height: auto; }
  .t-node { padding: 0 0 18px 36px; }
  .t-node i { left: 0; top: 4px; }
  .news-item { grid-template-columns: 1fr; }
  .guard { grid-template-columns: 1fr; }
  .metric-bento, .metric-tile.span-2 { grid-template-columns: 1fr; grid-column: auto; }
  .metric-tile.span-2 { grid-column: auto; }
  .brand { font-size: 16px; }
}
@media (max-width: 519px) {
  .grid-container { padding-left: 14px; padding-right: 14px; }
  .topbar { min-height: 64px; }
  .brand { font-size: 15px; line-height: 1.35; max-width: 68%; }
  .metric-tile .num { font-size: 32px; }
  .card, .news-item, blockquote { padding: 16px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}

/* roulang page: category1 */
:root {
 --blue: #2F6FED;
 --blue-deep: #245FDB;
 --indigo: #5C6BC0;
 --amber: #E8A54B;
 --amber-deep: #D4922E;
 --bg: #F4F7FB;
 --card: #FFFFFF;
 --text: #1C2430;
 --muted: #5E6A7A;
 --line: #E3EAF3;
 --soft: #EAF1FE;
 --radius: 16px;
 --btn-radius: 10px;
 --shadow: 0 10px 28px rgba(47,111,237,0.08);
 --shadow-hover: 0 16px 34px rgba(47,111,237,0.14);
 --space: 24px;
 --max: 1160px;
}
html { scroll-behavior: smooth; box-sizing: border-box; }
*, *::before, *::after { box-sizing: inherit; }
body {
 margin: 0;
 font-family: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", system-ui, sans-serif;
 font-size: 16.5px;
 line-height: 1.75;
 color: var(--text);
 background: var(--bg);
 overflow-x: hidden;
}
img { max-width: 100%; display: block; }
button, input, select, textarea { font-family: inherit; font-size: 16px; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, p { margin-top: 0; }
h1 { font-size: 36px; line-height: 1.25; font-weight: 760; margin-bottom: 8px; }
h2 { font-size: 26px; line-height: 1.35; font-weight: 760; margin-bottom: 16px; }
h3 { font-size: 18px; line-height: 1.45; font-weight: 760; margin-bottom: 8px; }
p { margin-bottom: 0; }
[hidden] { display: none !important; }
.grid-container { max-width: var(--max); width: 100%; margin: 0 auto; padding-left: 20px; padding-right: 20px; }
.lead { font-size: 17px; color: var(--muted); max-width: 40em; }
.site-header {
 position: sticky;
 top: 0;
 z-index: 40;
 background: #fff;
 border-bottom: 1px solid var(--line);
}
.topbar {
 min-height: 76px;
 display: flex;
 align-items: center;
 justify-content: space-between;
 gap: 16px;
}
.brand {
 display: inline-flex;
 align-items: center;
 gap: 10px;
 min-height: 44px;
 font-weight: 760;
 font-size: 18px;
 color: var(--text);
}
.brand-mark {
 width: 14px;
 height: 14px;
 border-radius: 50%;
 background: var(--blue);
 box-shadow: 8px 0 0 var(--indigo);
 flex: none;
}
.nav-desk { display: flex; align-items: center; gap: 12px; }
.nav-pill, .btn, .btn-amber, .btn-primary, .btn-ghost, .menu-toggle, .text-link, .chip {
 transition: background .2s ease, color .2s ease, box-shadow .2s ease, transform .2s ease, border-color .2s ease;
}
.nav-pill {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 min-height: 44px;
 padding: 0 16px;
 border-radius: 999px;
 border: 1px solid var(--blue);
 color: var(--blue);
 background: #fff;
 font-weight: 650;
}
.nav-pill:hover, .nav-pill:focus-visible { background: var(--soft); }
.nav-pill.is-active, .nav-pill:active { background: var(--blue); color: #fff; }
.btn, .btn-amber, .btn-primary, .btn-ghost {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 min-height: 48px;
 padding: 0 18px;
 border-radius: var(--btn-radius);
 border: 1px solid transparent;
 font-weight: 700;
 cursor: pointer;
 text-align: center;
}
.btn-amber { background: var(--amber); color: var(--text); }
.btn-amber:hover, .btn-amber:focus-visible { background: var(--amber-deep); color: var(--text); }
.btn-amber:active { transform: translateY(1px); }
.btn-primary { background: var(--blue); color: #fff; box-shadow: var(--shadow); }
.btn-primary:hover, .btn-primary:focus-visible { background: var(--blue-deep); color: #fff; transform: translateY(-1px); }
.btn-primary:active { transform: translateY(0); }
.btn-ghost {
 background: #fff;
 color: var(--blue);
 border-color: var(--line);
}
.btn-ghost:hover, .btn-ghost:focus-visible { border-color: var(--blue); background: var(--soft); }
.menu-toggle {
 min-width: 44px;
 min-height: 44px;
 border-radius: 10px;
 border: 1px solid var(--line);
 background: #fff;
 color: var(--text);
 padding: 0 12px;
 font-weight: 700;
 cursor: pointer;
}
.menu-toggle:hover { border-color: var(--blue); color: var(--blue); }
#navDrawer { background: #fff; padding: 28px 18px; }
.drawer-cta { width: 100%; margin: 8px 0 16px; }
.drawer-links { display: flex; flex-direction: column; gap: 12px; }
.drawer-links .nav-pill { width: 100%; }
.close-drawer {
 min-width: 44px;
 min-height: 44px;
 border: 1px solid var(--line);
 border-radius: 10px;
 background: #fff;
 color: var(--text);
 font-size: 22px;
 line-height: 1;
 cursor: pointer;
}
.close-drawer:hover { border-color: var(--blue); color: var(--blue); }
.drawer-top { display: flex; justify-content: flex-end; margin-bottom: 8px; }
a:focus-visible, button:focus-visible, select:focus-visible, summary:focus-visible {
 outline: 2px solid var(--blue);
 outline-offset: 2px;
}
.page-head {
 background: #fff;
 border-bottom: 1px solid var(--line);
 padding: 28px 0;
}
.head-row {
 display: flex;
 justify-content: space-between;
 align-items: flex-end;
 gap: 28px;
}
.sort-box { display: flex; flex-direction: column; gap: 6px; min-width: 210px; font-weight: 700; font-size: 14px; color: var(--muted); }
.sort-box select {
 min-height: 46px;
 border: 1px solid var(--line);
 border-radius: 10px;
 padding: 0 12px;
 background: #fff;
 color: var(--text);
 font-weight: 650;
}
.sort-box select:focus { border-color: var(--blue); outline: 2px solid rgba(47,111,237,.25); }
.band { padding: 72px 0; }
.band-alt { background: #fff; }
.band-tight { padding: 28px 0 8px; }
.card {
 background: var(--card);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
 padding: 22px;
}
.card:hover { box-shadow: var(--shadow-hover); transform: translateY(-1px); }
.tag {
 display: inline-flex;
 align-items: center;
 min-height: 28px;
 padding: 0 10px;
 border-radius: 999px;
 border: 1px solid var(--indigo);
 color: var(--indigo);
 background: #fff;
 font-size: 13px;
 font-weight: 650;
 margin: 0 8px 8px 0;
}
.dot {
 width: 8px;
 height: 8px;
 border-radius: 50%;
 background: var(--amber);
 display: inline-block;
 margin-right: 6px;
}
.filter-bar { display: flex; flex-direction: column; gap: 14px; }
.filter-group { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.filter-label { font-weight: 760; min-width: 4.5em; color: var(--text); }
.chip {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 min-height: 44px;
 padding: 0 14px;
 border-radius: 999px;
 border: 1px solid var(--indigo);
 background: #fff;
 color: var(--indigo);
 font-weight: 650;
 cursor: pointer;
}
.chip:hover, .chip:focus-visible { background: #f4f6fd; }
.chip.is-on, .chip:active { background: var(--indigo); color: #fff; }
.pick-grid {
 display: grid;
 grid-template-columns: 1fr;
 gap: 24px;
}
.pick-card h3 a:hover { color: var(--blue); }
.ph {
 height: 112px;
 border-radius: 12px;
 background: linear-gradient(135deg, #EAF1FE 0%, #F8FBFF 62%, #FBF6EE 100%);
 display: flex;
 align-items: flex-end;
 padding: 12px 14px;
 color: var(--indigo);
 font-size: 13px;
 font-weight: 700;
 margin-bottom: 14px;
}
.meta-line { color: var(--muted); font-size: 14px; margin-bottom: 6px; }
.pick-card p { color: var(--muted); max-width: 40em; }
.empty-note {
 margin-top: 16px;
 color: var(--muted);
}
.more-row {
 display: flex;
 justify-content: space-between;
 align-items: center;
 gap: 16px;
 padding-bottom: 8px;
}
.more-row p { color: var(--muted); max-width: 36em; }
.read-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 12px; }
.read-list a {
 display: flex;
 justify-content: space-between;
 align-items: center;
 gap: 12px;
 min-height: 64px;
 padding: 14px 18px;
 background: #fff;
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
 font-weight: 700;
}
.read-list a::after { content: "›"; color: var(--indigo); font-size: 22px; line-height: 1; }
.read-list a:hover { box-shadow: var(--shadow-hover); transform: translateY(-1px); }
.note-grid { display: grid; grid-template-columns: 1fr; gap: 24px; }
.note-grid .card p { color: var(--muted); margin-top: 8px; }
.faq-item {
 background: #fff;
 border: 1px solid var(--line);
 border-radius: 12px;
 margin-bottom: 12px;
 box-shadow: var(--shadow);
 padding: 0 16px;
}
.faq-item summary {
 min-height: 52px;
 display: flex;
 align-items: center;
 justify-content: space-between;
 gap: 12px;
 cursor: pointer;
 font-weight: 700;
 list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; color: var(--indigo); font-size: 22px; font-weight: 500; }
.faq-item[open] summary::after { content: "–"; }
.faq-item p { color: var(--muted); padding-bottom: 12px; }
.cta-band { background: #fff; border-top: 1px solid var(--line); padding: 40px 0; }
.cta-inner { display: flex; justify-content: space-between; align-items: center; gap: 20px; }
.cta-inner p { color: var(--muted); max-width: 36em; margin-top: 6px; }
.site-footer { background: #fff; border-top: 1px solid var(--line); padding: 48px 0 28px; }
.brand-foot { font-weight: 760; font-size: 18px; margin-bottom: 18px; }
.foot-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.site-footer h3 { font-size: 16px; margin: 0 0 8px; }
.site-footer p { color: var(--muted); }
.site-footer .foot-grid a { color: var(--blue); font-weight: 700; display: inline-flex; min-height: 44px; align-items: center; }
.site-footer .foot-grid a:hover { color: var(--blue-deep); }
.copy { margin-top: 22px; color: var(--muted); font-size: 14px; }
@media (min-width: 640px) {
 .pick-grid { grid-template-columns: 1fr 1fr; }
 .note-grid { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 1024px) {
 .note-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 1023px) {
 .head-row, .more-row, .cta-inner { align-items: flex-start; }
}
@media (max-width: 767px) {
 .band { padding: 40px 0; }
 h1 { font-size: 30px; }
 h2 { font-size: 22px; }
 .head-row, .more-row, .cta-inner, .foot-grid { display: flex; flex-direction: column; }
 .sort-box, .btn-ghost, .cta-inner .btn-primary { width: 100%; }
 .brand { font-size: 16px; }
}
@media (max-width: 519px) {
 .topbar { min-height: 64px; }
 .page-head { padding: 22px 0; }
 .card { padding: 16px; }
 .pick-grid, .note-grid { gap: 16px; }
}

/* roulang page: category2 */
:root {
 --blue: #2F6FED;
 --blue-deep: #245FDB;
 --indigo: #5C6BC0;
 --amber: #E8A54B;
 --amber-deep: #D4922E;
 --bg: #F4F7FB;
 --card: #FFFFFF;
 --text: #1C2430;
 --muted: #5E6A7A;
 --line: #E3EAF3;
 --soft: #EAF1FE;
 --radius: 16px;
 --btn-radius: 10px;
 --shadow: 0 10px 28px rgba(47,111,237,0.08);
 --shadow-hover: 0 16px 34px rgba(47,111,237,0.14);
 --space: 24px;
 --max: 1160px;
}
/* roulang page: cate-nanren-yechang */
html { scroll-behavior: smooth; }
*, *::before, *::after { box-sizing: border-box; }
body {
 margin: 0;
 font-family: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", system-ui, sans-serif;
 font-size: 16.5px;
 line-height: 1.75;
 color: var(--text);
 background: var(--bg);
 overflow-x: hidden;
}
img { max-width: 100%; display: block; }
button, input, select, textarea { font-family: inherit; font-size: 16px; }
a { color: inherit; text-decoration: none; }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }
.grid-container { max-width: var(--max); width: 100%; margin: 0 auto; padding-left: 20px; padding-right: 20px; }
.lead { font-size: 17px; color: var(--text); max-width: 40em; margin: 8px 0 0; }
.site-header {
 position: sticky;
 top: 0;
 z-index: 40;
 background: #fff;
 border-bottom: 1px solid var(--line);
}
.topbar {
 min-height: 76px;
 display: flex;
 align-items: center;
 justify-content: space-between;
 gap: 16px;
}
.brand {
 display: inline-flex;
 align-items: center;
 gap: 10px;
 min-height: 44px;
 font-weight: 760;
 font-size: 18px;
 color: var(--text);
 letter-spacing: 0;
}
.brand-mark {
 width: 14px;
 height: 14px;
 border-radius: 50%;
 background: var(--blue);
 box-shadow: 8px 0 0 var(--indigo);
 flex: none;
}
.nav-desk { display: none; align-items: center; gap: 12px; }
.nav-pill, .btn, .btn-amber, .btn-primary, .btn-ghost, .menu-toggle, .text-link, .tag-btn, .card {
 transition: background .2s ease, color .2s ease, box-shadow .2s ease, transform .2s ease, border-color .2s ease;
}
.nav-pill {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 min-height: 44px;
 padding: 0 16px;
 border-radius: 999px;
 border: 1px solid var(--blue);
 color: var(--blue);
 background: #fff;
 font-weight: 650;
}
.nav-pill:hover, .nav-pill:focus-visible { background: var(--soft); color: var(--blue); }
.nav-pill.is-active, .nav-pill:active { background: var(--blue); color: #fff; }
.btn, .btn-amber, .btn-primary, .btn-ghost {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 min-height: 48px;
 padding: 0 18px;
 border-radius: var(--btn-radius);
 border: 1px solid transparent;
 font-weight: 700;
 cursor: pointer;
 text-align: center;
}
.btn-amber { background: var(--amber); color: var(--text); }
.btn-amber:hover, .btn-amber:focus-visible { background: var(--amber-deep); color: var(--text); }
.btn-amber:active { transform: translateY(1px); }
.btn-primary { background: var(--blue); color: #fff; box-shadow: var(--shadow); }
.btn-primary:hover, .btn-primary:focus-visible { background: var(--blue-deep); color: #fff; transform: translateY(-1px); }
.btn-primary:active { transform: translateY(0); }
.btn-ghost { background: #fff; color: var(--blue); border-color: var(--line); }
.btn-ghost:hover, .btn-ghost:focus-visible { border-color: var(--blue); background: var(--soft); }
.menu-toggle {
 min-width: 44px;
 min-height: 44px;
 border-radius: 10px;
 border: 1px solid var(--line);
 background: #fff;
 color: var(--text);
 padding: 0 12px;
 font-weight: 700;
 cursor: pointer;
}
.menu-toggle:hover { border-color: var(--blue); color: var(--blue); }
.off-canvas { width: 300px; }
#navDrawer { background: #fff; padding: 28px 18px; }
.drawer-cta { width: 100%; margin: 8px 0 16px; }
.drawer-links { display: flex; flex-direction: column; gap: 12px; }
.drawer-links .nav-pill { width: 100%; }
.close-drawer {
 position: absolute;
 top: 10px;
 left: 10px;
 min-width: 44px;
 min-height: 44px;
 border: 0;
 background: transparent;
 color: var(--muted);
 font-size: 28px;
 line-height: 1;
 cursor: pointer;
}
.card {
 background: var(--card);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
 padding: 22px;
}
.card:hover { box-shadow: var(--shadow-hover); transform: translateY(-1px); }
.tag {
 display: inline-flex;
 align-items: center;
 min-height: 28px;
 padding: 0 10px;
 border-radius: 999px;
 border: 1px solid var(--indigo);
 color: var(--indigo);
 background: #fff;
 font-size: 13px;
 font-weight: 650;
 margin: 0 8px 8px 0;
}
.meta-line { color: var(--muted); font-size: 14px; margin: 0 0 8px; }
.faq-item {
 background: #fff;
 border: 1px solid var(--line);
 border-radius: 12px;
 margin-bottom: 12px;
 box-shadow: var(--shadow);
 padding: 0 16px;
}
.faq-item summary {
 min-height: 52px;
 display: flex;
 align-items: center;
 justify-content: space-between;
 gap: 12px;
 cursor: pointer;
 font-weight: 700;
 list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; color: var(--indigo); font-size: 22px; font-weight: 500; }
.faq-item[open] summary::after { content: "–"; }
.faq-item p { color: var(--muted); padding-bottom: 12px; margin: 0; }
.form-card label { display: block; font-weight: 700; margin: 12px 0 6px; }
.form-card input, .form-card select, .form-card textarea {
 width: 100%;
 min-height: 46px;
 border: 1px solid var(--line);
 border-radius: 10px;
 background: #fff;
 color: var(--text);
 padding: 10px 12px;
}
.form-card textarea { min-height: 110px; resize: vertical; }
.form-card input:focus, .form-card select:focus, .form-card textarea:focus {
 border-color: var(--blue);
 outline: 2px solid rgba(47,111,237,.25);
}
.form-ok { margin-top: 12px; padding: 12px 14px; border-radius: 10px; background: #EAF7EE; color: #1D6B3A; }
.form-err { margin-top: 12px; padding: 12px 14px; border-radius: 10px; background: #FDECEC; color: #9B2C2C; }
.site-footer {
 background: #fff;
 border-top: 1px solid var(--line);
 padding: 48px 0 28px;
}
.brand-foot { font-weight: 760; font-size: 18px; margin: 0 0 20px; }
.foot-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.foot-grid h3 { font-size: 16px; margin: 0 0 8px; }
.foot-grid p { color: var(--muted); margin: 0 0 8px; }
.foot-grid a { color: var(--blue); font-weight: 700; min-height: 44px; display: inline-flex; align-items: center; }
.foot-grid a:hover, .foot-grid a:focus-visible { color: var(--blue-deep); }
.copy { color: var(--muted); font-size: 14px; margin: 28px 0 0; border-top: 1px solid var(--line); padding-top: 16px; }
.block { padding: 72px 0; }
.block h2 { font-size: 26px; line-height: 1.35; margin: 0 0 18px; font-weight: 760; }
.block-white { background: #fff; }
.block-plain { background: transparent; }
.page-head {
 background: #fff;
 border-bottom: 1px solid var(--line);
 padding: 32px 0 28px;
}
.head-row { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; }
.page-head h1 { font-size: 36px; line-height: 1.25; margin: 0; font-weight: 760; }
.sort-box { min-width: 220px; }
.sort-box label { display: block; font-size: 13px; color: var(--muted); font-weight: 700; margin-bottom: 6px; }
.sort-box select {
 width: 100%;
 min-height: 48px;
 border: 1px solid var(--line);
 border-radius: 10px;
 background: #fff;
 color: var(--text);
 padding: 0 12px;
}
.sort-box select:focus { border-color: var(--blue); outline: 2px solid rgba(47,111,237,.25); }
.scope-list { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 12px; }
.scope-list li {
 background: #fff;
 border: 1px solid var(--line);
 border-radius: 12px;
 box-shadow: var(--shadow);
 min-height: 48px;
 padding: 12px 16px;
 font-weight: 650;
}
.feature-main { min-height: 100%; background: linear-gradient(180deg, #fff 0%, #f8fbff 100%); }
.feature-main h2 { margin-top: 14px; }
.kicker { display: flex; align-items: center; gap: 8px; color: var(--indigo); font-size: 14px; font-weight: 700; margin: 0; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--amber); display: inline-block; flex: none; }
.ph {
 background: linear-gradient(160deg, #EAF1FE 0%, #F7F9FC 72%);
 border: 1px solid var(--line);
 border-radius: 12px;
 min-height: 112px;
 display: flex;
 align-items: flex-end;
 padding: 12px 14px;
 color: var(--indigo);
 font-size: 13px;
 font-weight: 700;
}
.feature-main .ph { min-height: 210px; }
.stat-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.side-stack { display: flex; flex-direction: column; gap: 16px; height: 100%; }
.side-card h3 { font-size: 18px; margin: 10px 0 6px; }
.side-card p { margin: 0; color: var(--muted); }
.side-card .ph { min-height: 72px; }
.tl { list-style: none; margin: 0; padding: 0; }
.tl-item {
 display: grid;
 grid-template-columns: 92px 1fr;
 gap: 16px;
 padding: 16px 0;
 border-top: 1px solid var(--line);
}
.tl-item:first-child { border-top: 0; padding-top: 0; }
.tl-time { color: var(--indigo); font-weight: 760; }
.tl-item h3 { margin: 0 0 4px; font-size: 18px; }
.tl-item p { margin: 0; color: var(--muted); max-width: 40em; }
.tl-item a { color: var(--blue); font-weight: 700; }
.tl-item a:hover { color: var(--blue-deep); }
.tag-row { display: flex; flex-wrap: wrap; gap: 10px; }
.tag-btn {
 border: 1px solid var(--indigo);
 color: var(--indigo);
 background: #fff;
 border-radius: 999px;
 min-height: 44px;
 padding: 0 16px;
 font-weight: 650;
 cursor: pointer;
}
.tag-btn:hover, .tag-btn:focus-visible { background: var(--soft); }
.tag-btn.is-on { background: var(--indigo); color: #fff; }
.empty-note { display: none; margin: 16px 0 0; color: var(--muted); }
.empty-note.show { display: block; }
.note-card h3 { margin: 0 0 8px; font-size: 18px; }
.note-card p { margin: 0; color: var(--muted); max-width: 36em; }
.bottom-bar {
 display: flex;
 align-items: center;
 justify-content: space-between;
 gap: 18px;
 background: #fff;
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
 padding: 22px 24px;
}
.bottom-bar p { margin: 0; max-width: 36em; font-weight: 650; }
.is-hidden { display: none !important; }
@media (min-width: 1024px) {
 .nav-desk { display: flex !important; }
}
@media (max-width: 1023px) {
 .block { padding: 52px 0; }
 .page-head h1 { font-size: 32px; }
 .feature-main .ph { min-height: 160px; }
}
@media (max-width: 767px) {
 .block { padding: 40px 0; }
 .page-head { padding: 28px 0 22px; }
 .page-head h1 { font-size: 28px; }
 .block h2 { font-size: 22px; }
 .head-row, .bottom-bar, .foot-grid { display: block; }
 .sort-box { margin-top: 16px; width: 100%; }
 .bottom-bar .btn-primary { width: 100%; margin-top: 14px; }
 .tl-item { grid-template-columns: 1fr; gap: 4px; }
 .brand { font-size: 16px; }
 .foot-grid { gap: 18px; }
 .copy { margin-top: 18px; }
}
@media (max-width: 520px) {
 .grid-container { padding-left: 16px; padding-right: 16px; }
 .card { padding: 16px; }
 .scope-list li { width: 100%; }
}