/* roulang page: index */
:root {
  --bg: #F5F7FB;
  --card: #FFFFFF;
  --band: #E7EEF8;
  --text: #1A2740;
  --muted: #5C6B82;
  --blue: #2A62D6;
  --blue-press: #1E4FB3;
  --blue-soft: #7FA2E8;
  --rank: #163E86;
  --line: #D5DEEC;
  --line-soft: #E3EAF5;
  --row: #F0F5FC;
  --shadow: 0 10px 28px rgba(26, 62, 134, 0.08);
  --shadow-hover: 0 16px 36px rgba(26, 62, 134, 0.12);
  --radius: 14px;
  --radius-sm: 8px;
  --max: 1120px;
  --pad: 72px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  font-size: 17px;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
button, input { font-family: inherit; }
a { color: var(--blue-press); text-decoration: none; }
a:hover { color: var(--blue); }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }
.container { max-width: var(--max); }
.skip {
  position: absolute; left: -999px; top: 0;
}
.skip:focus { left: 12px; top: 12px; background: #fff; padding: 8px 12px; z-index: 20; }

.masthead { background: #fff; border-bottom: 1px solid var(--line); }
.issue-line {
  display: flex; justify-content: space-between; gap: 12px;
  padding: 8px 0 6px;
  font-size: 12px; letter-spacing: 0.14em; color: var(--muted);
}
.brand-row { padding: 8px 0 14px; display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; }
.brand-name {
  margin: 0;
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.15;
  color: var(--text);
}
.brand-name a { color: inherit; }
.brand-name a:hover { color: var(--rank); }
.channel-toggle {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--rank);
  border-radius: var(--radius-sm);
  padding: 6px 12px;
  font-size: 14px;
  letter-spacing: 0.08em;
}
.channel-toggle:hover, .channel-toggle:active { background: var(--row); color: var(--blue-press); }
.channel-rule { border-top: 1px solid var(--line); }
.channel-nav { padding: 0; }
.channel-list {
  list-style: none; display: flex; flex-wrap: wrap; gap: 0; margin: 0; padding: 0;
}
.channel-list a {
  display: block;
  color: var(--text);
  padding: 12px 18px 12px 0;
  margin-right: 8px;
  font-size: 15px;
  letter-spacing: 0.04em;
}
.channel-list a:hover { color: var(--blue); }
.channel-list a.active {
  color: var(--blue);
  box-shadow: inset 0 -2px 0 var(--blue);
}

.block { padding: var(--pad) 0; }
.block-band { background: var(--band); }
.block-white { background: #fff; }
.kicker {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--blue);
  margin-bottom: 10px;
}
h1 {
  font-size: clamp(32px, 5vw, 48px);
  line-height: 1.2;
  letter-spacing: -0.045em;
  font-weight: 700;
  margin: 0 0 12px;
  color: var(--rank);
}
h2 {
  font-size: clamp(22px, 2.4vw, 28px);
  letter-spacing: -0.03em;
  font-weight: 700;
  line-height: 1.35;
  margin: 0 0 10px;
  color: var(--text);
}
h3 { font-size: 18px; font-weight: 700; margin: 0 0 8px; letter-spacing: -0.02em; }
.lead-one { font-size: 18px; color: var(--text); margin: 0 0 14px; }
.prose { color: var(--muted); margin: 0 0 18px; font-size: 16px; }
.answer-box {
  background: #fff;
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--blue);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  color: var(--text);
  margin-bottom: 18px;
  box-shadow: var(--shadow);
}
.btn-main, .btn-line, button.btn-main {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 44px; padding: 0 18px;
  border-radius: var(--radius-sm);
  font-size: 15px; font-weight: 600; letter-spacing: 0.02em;
  border: 1px solid var(--blue);
  transition: transform .18s ease, background .18s ease, box-shadow .18s ease, color .18s ease;
  cursor: pointer;
}
.btn-main { background: var(--blue); color: #fff; }
.btn-main:hover, .btn-main:focus { background: var(--blue-press); color: #fff; transform: translateY(-1px); }
.btn-main:active { background: var(--blue-press); transform: translateY(0); }
.btn-line { background: transparent; color: var(--blue); }
.btn-line:hover, .btn-line:focus { background: var(--row); color: var(--blue-press); transform: translateY(-1px); }
.btn-row { display: flex; flex-wrap: wrap; gap: 10px; }
.heat-card, .panel, .scene, .rank-side, .price, .quote, .review, .score-card, .topic-card, .demo-card, .case-card, .news-wrap {
  background: var(--card);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.heat-card, .panel, .scene, .rank-side, .price, .review, .topic-card, .demo-card, .case-card {
  transition: transform .18s ease, box-shadow .18s ease;
}
.panel:hover, .scene:hover, .price:hover, .review:hover, .topic-card:hover, .case-card:hover, .demo-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}
.heat-card { padding: 18px 18px 10px; }
.heat-card h2 { font-size: 18px; }
.mini-row {
  display: grid; grid-template-columns: 36px 1fr auto; gap: 8px; align-items: center;
  padding: 9px 0; border-top: 1px solid var(--line);
  font-variant-numeric: tabular-nums;
}
.mini-no { color: var(--rank); font-weight: 700; }
.tag {
  display: inline-block;
  font-size: 12px;
  color: var(--rank);
  background: var(--band);
  border-radius: 4px;
  padding: 0 6px;
  line-height: 22px;
}
.signal {
  display: flex; flex-wrap: wrap; gap: 8px 18px;
  margin-top: 18px; color: var(--muted); font-size: 13px;
}
.signal b { color: var(--rank); font-weight: 700; }

.panel { padding: 20px 20px 16px; height: 100%; }
.panel ul, .plain-list { margin: 0; padding-left: 18px; color: var(--muted); }
.panel li { margin: 4px 0; }
.scene-wrap { align-items: stretch; }
.scene { padding: 20px; }
.scene.tall { min-height: 250px; }
.scene.mid { min-height: 210px; margin-top: 28px; }
.scene.short { min-height: 180px; margin-top: 10px; }
.scene p { color: var(--muted); margin: 0; }

.demo-card { padding: 16px; }
.screen {
  background: linear-gradient(180deg, #F8FAFE 0%, #E7EEF8 100%);
  border: 1px solid var(--line);
  border-radius: 10px;
  min-height: 280px;
  position: relative;
  overflow: hidden;
}
.screen-label {
  position: absolute; left: 14px; top: 14px;
  background: #fff; color: var(--rank);
  border: 1px solid var(--line);
  border-radius: 4px; font-size: 12px; padding: 2px 8px;
}
.frame-block {
  position: absolute; left: 10%; right: 18%; top: 54px; height: 120px;
  background: rgba(42, 98, 214, 0.12);
  border: 1px dashed var(--blue-soft);
}
.frame-block span {
  position: absolute; right: 10px; bottom: 8px; font-size: 12px; color: var(--rank);
}
.controls {
  position: absolute; left: 14px; right: 14px; bottom: 16px;
  display: grid; grid-template-columns: 1fr auto auto; gap: 8px; align-items: center;
}
.progress {
  height: 6px; background: #fff; border-radius: 8px; border: 1px solid var(--line); overflow: hidden;
}
.progress i { display: block; width: 46%; height: 100%; background: var(--blue); }
.chip {
  background: #fff; border: 1px solid var(--line); color: var(--rank);
  border-radius: 4px; font-size: 12px; padding: 2px 8px;
}
.demo-note { padding: 8px 8px 0; color: var(--muted); font-size: 14px; }
.spec-list { list-style: none; margin: 0; padding: 0; }
.spec-list li {
  padding: 12px 0; border-bottom: 1px solid var(--line); color: var(--muted);
}
.spec-list strong { display: block; color: var(--text); }

.rank-list { background: #fff; border: 1px solid var(--line-soft); border-radius: var(--radius); box-shadow: var(--shadow); }
.rank-item {
  display: grid;
  grid-template-columns: 64px 1fr 120px;
  gap: 12px; align-items: center;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  color: inherit;
}
.rank-item:last-child { border-bottom: 0; }
.rank-item:hover { background: var(--row); color: inherit; }
.rank-no {
  font-size: 28px; font-weight: 700; color: var(--rank);
  font-variant-numeric: tabular-nums; letter-spacing: -0.04em; line-height: 1;
}
.rank-title { font-weight: 700; color: var(--text); }
.rank-meta { color: var(--muted); font-size: 13px; }
.heat { height: 8px; background: #E7EEF8; border-radius: 8px; overflow: hidden; }
.heat span { display: block; height: 100%; background: linear-gradient(90deg, var(--blue-soft), var(--blue)); }
.rank-side { padding: 20px; }
.rank-side ol { margin: 0; padding-left: 18px; color: var(--muted); }
.rank-side li { margin: 8px 0; }

.sheet { width: 100%; border-collapse: collapse; background: #fff; }
.sheet th, .sheet td {
  text-align: left; padding: 12px 10px;
  border-bottom: 1px solid var(--line);
  font-variant-numeric: tabular-nums;
  font-size: 15px;
}
.sheet th { color: var(--rank); font-weight: 700; font-size: 13px; letter-spacing: 0.06em; }
.sheet tbody tr:hover { background: var(--row); }
.sheet-wrap {
  background: #fff; border: 1px solid var(--line-soft); border-radius: var(--radius);
  box-shadow: var(--shadow); overflow: auto;
}
.sheet-head { padding: 14px 16px 0; font-weight: 700; color: var(--rank); }

.case-card { display: grid; grid-template-columns: 72px 1fr; gap: 8px; padding: 18px 18px; margin-bottom: 12px; }
.case-no { font-size: 28px; font-weight: 700; color: var(--rank); font-variant-numeric: tabular-nums; line-height: 1; }
.case-card p { margin: 0; color: var(--muted); }

.price { padding: 22px 20px 20px; height: 100%; background: #fff; }
.price.featured { border: 2px solid var(--blue); }
.price .tier { color: var(--blue); font-size: 13px; letter-spacing: 0.08em; }
.price .fee { font-size: 40px; line-height: 1.1; font-weight: 700; color: var(--rank); margin: 8px 0; font-variant-numeric: tabular-nums; }
.price .fee small { font-size: 16px; color: var(--muted); font-weight: 500; }
.price ul { color: var(--muted); padding-left: 18px; min-height: 96px; }

.review { padding: 16px 16px 12px; }
.stars { color: var(--blue); letter-spacing: 2px; font-size: 14px; }
.review p { margin: 8px 0 0; color: var(--text); }
.review cite { display: block; margin-top: 8px; color: var(--muted); font-style: normal; font-size: 13px; }
.quote {
  padding: 28px 26px;
  box-shadow: var(--shadow);
}
.quote q { font-size: 22px; line-height: 1.6; letter-spacing: -0.02em; display: block; }
.quote span { color: var(--muted); font-size: 14px; }
.bar-line { margin: 12px 0; }
.bar-line .lab { display: flex; justify-content: space-between; font-size: 14px; color: var(--text); }
.bar-track { height: 8px; background: var(--band); border-radius: 8px; overflow: hidden; }
.bar-track i { display: block; height: 100%; background: var(--blue); }

.news-wrap { overflow: hidden; }
.news-item {
  display: grid; grid-template-columns: 92px 1fr; gap: 12px;
  padding: 14px 16px; border-bottom: 1px solid var(--line); color: inherit;
}
.news-item:last-child { border-bottom: 0; }
.news-item:hover { background: var(--row); color: inherit; }
.news-date { color: var(--rank); font-variant-numeric: tabular-nums; font-weight: 700; font-size: 14px; }
.news-item strong { display: block; color: var(--text); }
.news-item em { display: block; font-style: normal; color: var(--muted); font-size: 14px; }

.topic-card { padding: 28px 26px; display: grid; grid-template-columns: 1.4fr .6fr; gap: 18px; align-items: center; }
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.step {
  background: #fff; border: 1px solid var(--line-soft); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 16px;
  min-height: 160px;
}
.step b { display: block; color: var(--rank); font-size: 22px; font-variant-numeric: tabular-nums; }
.step p { color: var(--muted); margin: 6px 0 0; font-size: 15px; }

.accordion-item { background: transparent; border: 0; border-bottom: 1px solid var(--line); border-radius: 0; }
.accordion-button {
  background: transparent; color: var(--text);
  font-weight: 700; font-size: 16px;
  box-shadow: none; padding: 16px 4px;
}
.accordion-button:not(.collapsed) { background: transparent; color: var(--rank); box-shadow: none; }
.accordion-button:focus { box-shadow: none; border-color: transparent; }
.accordion-button::after { filter: none; }
.accordion-body { color: var(--muted); padding: 0 4px 16px; }

.open-bar {
  display: grid; grid-template-columns: 1.1fr .9fr; gap: 28px; align-items: start;
}
.form-card {
  background: #fff; border: 1px solid var(--line-soft); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 18px;
}
.form-label { color: var(--text); font-size: 14px; margin-bottom: 6px; }
.form-control {
  border: 1px solid var(--line); border-radius: var(--radius-sm);
  min-height: 44px; color: var(--text); background: #fff;
}
.form-control:focus {
  border-color: var(--blue); box-shadow: 0 0 0 2px rgba(42, 98, 214, 0.2);
}
.form-tip { min-height: 24px; font-size: 14px; margin: 8px 0 0; color: var(--muted); }
.form-tip.is-error { color: var(--blue-press); }
.form-tip.is-ok { color: var(--rank); }
.form-card.is-error .form-control { border-color: var(--blue); }

.footer { background: #fff; border-top: 1px solid var(--line); padding: 28px 0 36px; color: var(--muted); font-size: 14px; }
.footer-brand { color: var(--text); font-weight: 700; font-size: 18px; letter-spacing: -0.03em; }
.footer-line { border: 0; border-top: 1px solid var(--line); margin: 12px 0; }
.footer a { color: var(--muted); margin-right: 16px; }
.footer a:hover { color: var(--blue); }
.footer small { display: block; margin-top: 8px; }

@media (max-width: 991.98px) {
  :root { --pad: 48px; }
  .channel-list { flex-direction: column; }
  .channel-list a { margin: 0; padding: 12px 0; border-bottom: 1px solid var(--line); box-shadow: none; }
  .channel-list a.active { box-shadow: none; color: var(--blue); }
  .scene.mid, .scene.short, .scene.tall { margin-top: 0; min-height: 0; }
  .rank-item { grid-template-columns: 48px 1fr; }
  .rank-item .heat-col { grid-column: 2; }
  .topic-card, .open-bar, .case-card { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 767.98px) {
  :root { --pad: 40px; }
  body { font-size: 16px; }
  .issue-line { letter-spacing: 0.04em; font-size: 11px; }
  .steps { grid-template-columns: 1fr; }
  .news-item { grid-template-columns: 1fr; gap: 2px; }
  .price .fee { font-size: 34px; }
}
@media (min-width: 1200px) {
  .container { padding-left: 12px; padding-right: 12px; }
}

/* roulang page: category1 */
:root {
  --bg: #F5F7FB;
  --card: #FFFFFF;
  --band: #E7EEF8;
  --text: #1A2740;
  --muted: #5C6B82;
  --blue: #2A62D6;
  --blue-press: #1E4FB3;
  --blue-soft: #7FA2E8;
  --rank: #163E86;
  --line: #D5DEEC;
  --line-soft: #E3EAF5;
  --row: #F0F5FC;
  --shadow: 0 10px 28px rgba(26, 62, 134, 0.08);
  --shadow-hover: 0 16px 36px rgba(26, 62, 134, 0.12);
  --radius: 14px;
  --radius-sm: 8px;
  --max: 1120px;
  --pad: 72px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  font-size: 17px;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
button, input { font-family: inherit; }
a { color: var(--blue-press); text-decoration: none; }
a:hover { color: var(--blue); }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }
.container { max-width: var(--max); width: 100%; margin: 0 auto; padding-left: 16px; padding-right: 16px; }
.masthead { background: #fff; border-bottom: 0; }
.issue-line {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--muted);
  padding-top: 12px;
}
.brand-row { padding: 8px 0 14px; display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; }
.brand-name {
  margin: 0;
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.15;
  color: var(--text);
}
.brand-name a { color: inherit; }
.brand-name a:hover { color: var(--rank); }
.channel-toggle {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: var(--radius-sm);
  min-height: 36px;
  padding: 0 12px;
  font-size: 14px;
  letter-spacing: 0.06em;
}
.channel-toggle:hover { border-color: var(--blue-soft); color: var(--blue); }
.channel-rule { border-top: 1px solid var(--line); background: #fff; }
.channel-nav { padding: 0; }
.channel-list { list-style: none; display: flex; flex-wrap: wrap; gap: 0; margin: 0; padding: 0; }
.channel-list a {
  display: block;
  color: var(--text);
  padding: 12px 18px 12px 0;
  margin-right: 8px;
  font-size: 15px;
  letter-spacing: 0.04em;
}
.channel-list a:hover { color: var(--blue); }
.channel-list a.active { color: var(--blue); box-shadow: inset 0 -2px 0 var(--blue); }
.btn-main, .btn-line, button.btn-main {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.02em;
  border: 1px solid var(--blue);
  transition: transform .18s ease, background .18s ease, box-shadow .18s ease, color .18s ease;
  cursor: pointer;
}
.btn-main { background: var(--blue); color: #fff; }
.btn-main:hover, .btn-main:focus { background: var(--blue-press); color: #fff; transform: translateY(-1px); }
.btn-main:active { background: var(--blue-press); transform: translateY(0); }
.btn-line { background: #fff; color: var(--blue); }
.btn-line:hover, .btn-line:focus { background: var(--row); color: var(--blue-press); transform: translateY(-1px); }
.btn-row { display: flex; flex-wrap: wrap; gap: 10px; }
.tag {
  display: inline-block;
  font-size: 12px;
  color: var(--rank);
  background: var(--band);
  border-radius: 4px;
  padding: 0 6px;
  line-height: 22px;
}
.cat-head { padding: 28px 0 0; background: var(--bg); }
.cat-head h1 {
  margin: 0 0 8px;
  font-size: clamp(28px, 4vw, 36px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.25;
  color: var(--text);
}
.scope { margin: 0 0 16px; color: var(--muted); font-size: 16px; }
.head-rule { border: 0; border-top: 1px solid var(--line); margin: 0; }
.board { padding-top: 8px; padding-bottom: 8px; }
.sort-sec { padding: 18px 0 12px; }
.sort-list { list-style: none; display: flex; gap: 28px; margin: 0; padding: 0; }
.sort-list button {
  appearance: none;
  background: transparent;
  border: 0;
  border-bottom: 2px solid transparent;
  color: var(--muted);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 8px 0 10px;
  cursor: pointer;
}
.sort-list button:hover { color: var(--blue); }
.sort-list button.active { color: var(--blue); border-bottom-color: var(--blue); }
.board-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  grid-template-areas:
    "list mini"
    "more mini";
  gap: 16px 22px;
  align-items: start;
  padding-bottom: 28px;
}
.list-sec { grid-area: list; margin: 0; }
.more-sec { grid-area: more; margin: 0; }
.mini-sec { grid-area: mini; margin: 0; }
.rank-list {
  background: #fff;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.rank-item {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr) 128px;
  gap: 12px;
  align-items: center;
  padding: 16px 16px;
  border-bottom: 1px solid var(--line);
  color: inherit;
  transition: background .18s ease;
}
.rank-item:last-child { border-bottom: 0; }
.rank-item:hover { background: var(--row); color: inherit; }
.rank-no {
  font-size: 28px;
  font-weight: 700;
  color: var(--rank);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.04em;
  line-height: 1;
}
.rank-title { font-weight: 700; color: var(--text); font-size: 17px; }
.rank-meta { color: var(--muted); font-size: 14px; margin-top: 2px; }
.rank-meta .tag { margin-right: 6px; }
.heat-col { min-width: 0; }
.heat-num {
  display: block;
  text-align: right;
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  color: var(--rank);
  font-size: 14px;
  line-height: 1.2;
  margin-bottom: 6px;
}
.heat { height: 6px; background: var(--band); border-radius: 99px; overflow: hidden; }
.heat > span { display: block; height: 100%; background: linear-gradient(90deg, var(--blue-soft), var(--blue)); border-radius: inherit; }
.more-sec { display: flex; }
.mini-card, .news-wrap, .end-inner {
  background: var(--card);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.mini-card { padding: 18px 18px 8px; position: sticky; top: 16px; }
.mini-card h2, .scene-sec h2, .news-sec h2, .end-inner h2 {
  margin: 0 0 8px;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.35;
}
.mini-note { margin: 0 0 8px; color: var(--muted); font-size: 14px; }
.mini-row {
  display: grid;
  grid-template-columns: 36px 1fr auto;
  gap: 8px;
  align-items: center;
  padding: 11px 0;
  border-top: 1px solid var(--line);
  color: inherit;
  font-variant-numeric: tabular-nums;
}
.mini-row:hover { color: var(--blue); }
.mini-row strong { color: var(--text); font-weight: 700; }
.mini-row:hover strong { color: var(--blue); }
.mini-idx { color: var(--rank); font-weight: 700; }
.scene-sec { background: var(--band); padding: var(--pad) 0; }
.scene-sec p { margin: 0; max-width: 46em; color: var(--text); }
.news-sec { background: var(--bg); padding: var(--pad) 0; }
.news-sec h2 { margin-bottom: 14px; }
.news-wrap { overflow: hidden; }
.news-item {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 12px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  color: inherit;
}
.news-item:last-child { border-bottom: 0; }
.news-item:hover { background: var(--row); color: inherit; }
.news-item span { color: var(--rank); font-variant-numeric: tabular-nums; font-size: 14px; font-weight: 700; }
.news-item strong { display: block; color: var(--text); }
.news-item em { display: block; font-style: normal; color: var(--muted); font-size: 14px; }
.end-sec { background: var(--bg); padding: 0 0 var(--pad); }
.end-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 22px;
  padding: 28px 28px;
}
.end-inner p { margin: 0; color: var(--muted); max-width: 40em; }
.footer { background: #fff; border-top: 1px solid var(--line); padding: 36px 0 48px; color: var(--muted); font-size: 14px; }
.footer-brand { font-size: 20px; font-weight: 700; color: var(--text); letter-spacing: -0.03em; }
.footer-line { border: 0; border-top: 1px solid var(--line); margin: 14px 0; opacity: 1; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 8px 18px; margin-bottom: 12px; }
.footer-nav a { color: var(--text); }
.footer-nav a:hover { color: var(--blue); }
.footer small { display: block; color: var(--muted); }
@media (max-width: 991.98px) {
  .channel-list { flex-direction: column; }
  .channel-list a { padding: 12px 0; margin: 0; border-bottom: 1px solid var(--line); }
  .channel-list li:last-child a { border-bottom: 0; }
  .board-grid { grid-template-columns: 1fr; grid-template-areas: "list" "more" "mini"; }
  .mini-card { position: static; }
}
@media (max-width: 767.98px) {
  :root { --pad: 40px; }
  .rank-item { grid-template-columns: 48px minmax(0, 1fr); }
  .heat-col { grid-column: 2; }
  .rank-no { font-size: 22px; }
  .news-item { grid-template-columns: 72px minmax(0, 1fr); }
  .end-inner { flex-direction: column; align-items: flex-start; padding: 22px 18px; }
}
@media (max-width: 575.98px) {
  body { font-size: 16px; }
  .brand-name { font-size: 26px; }
  .sort-list { gap: 18px; }
  .cat-head h1 { font-size: 26px; }
}

/* 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}