/* roulang page: index */
:root {
  --bg: #F4F7FB;
  --card: #FFFFFF;
  --blue: #3D6FBF;
  --blue-hover: #2C528F;
  --text: #1C2430;
  --muted: #5C6B7A;
  --line: #E3E9F2;
  --lilac: #7D5BA6;
  --lilac-bg: #F3EEF8;
  --shadow: 0 8px 24px rgba(47, 74, 120, .08);
  --radius: 12px;
  --radius-btn: 10px;
  --header-h: 72px;
  --max: 1160px;
  --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: 16px;
  line-height: 1.75;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--blue); text-decoration: none; }
a:hover { color: var(--blue-hover); }
button, input, textarea { font-family: inherit; }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  height: var(--header-h);
  background: #fff;
  border-bottom: 1px solid var(--line);
  box-shadow: 0 8px 24px rgba(47, 74, 120, .05);
}
.header-inner {
  max-width: var(--max);
  height: var(--header-h);
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  gap: 20px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text);
  font-weight: 700;
  font-size: 18px;
  flex: 0 0 auto;
}
.logo:hover { color: var(--text); }
.logo-mark { width: 32px; height: 32px; flex: 0 0 auto; }
.nav-channels {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 0 auto;
}
.nav-channels a {
  color: var(--text);
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 16px;
}
.nav-channels a:hover { color: var(--blue); background: #F4F7FB; }
.nav-channels a.is-current {
  color: var(--lilac);
  text-decoration: underline;
  text-underline-offset: 6px;
  background: transparent;
}
.header-tools {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: auto;
}
.nav-search { margin: 0; }
.nav-search input, .hero-search input {
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: var(--text);
  padding: 0 16px;
  width: 188px;
  box-shadow: none;
  margin: 0;
}
.nav-search input:focus, .hero-search input:focus, .field input:focus, .field textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(61, 111, 191, .15);
}
.search-toggle, .nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: var(--radius-btn);
  color: var(--blue);
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: var(--radius-btn);
  border: 1px solid transparent;
  font-size: 16px;
  line-height: 1.2;
  cursor: pointer;
  transition: background .2s ease, color .2s ease, border-color .2s ease, transform .2s ease;
}
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover, .btn-primary:focus { background: var(--blue-hover); color: #fff; }
.btn-primary:active { transform: translateY(1px); }
.btn-secondary { background: #fff; color: var(--blue); border-color: var(--blue); }
.btn-secondary:hover { background: #F4F7FB; color: var(--blue-hover); }
.hero {
  padding: var(--pad) 0 56px;
  background: linear-gradient(180deg, #E7F1FB 0%, #F4F7FB 100%);
}
.hero-title {
  margin: 0 0 12px;
  font-size: 36px;
  line-height: 1.35;
  font-weight: 700;
  color: var(--text);
}
.hero-sub {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 16px;
}
.hero-lead { margin: 0 0 22px; color: var(--text); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 18px; }
.hero-search label { display: block; margin-bottom: 8px; font-weight: 600; }
.hero-search { margin: 0; }
.hero-search input { width: 100%; max-width: 460px; }
.hero-visual {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 12px;
}
.hero-img { width: 100%; border-radius: 12px; }
section { padding: var(--pad) 0; }
.band-white { background: #fff; }
.band-soft { background: var(--bg); }
.band-lilac { background: var(--lilac-bg); }
.band-line { background: #fff; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head { margin-bottom: 28px; max-width: 760px; }
.section-title {
  margin: 0 0 10px;
  font-size: 24px;
  line-height: 1.4;
  font-weight: 700;
}
.section-lead { margin: 0; color: var(--muted); }
.head-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 16px;
  margin-bottom: 28px;
}
.head-row .section-head { margin-bottom: 0; }
.count-pill {
  flex: 0 0 auto;
  background: var(--lilac-bg);
  color: var(--lilac);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 14px;
}
.bento {
  display: grid;
  grid-template-columns: 1.35fr .82fr .82fr;
  gap: 16px;
}
.bento-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px;
  min-height: 168px;
  transition: transform .2s ease, box-shadow .2s ease;
}
.bento-card:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(47, 74, 120, .12); }
.bento-search { grid-column: 1 / 3; background: linear-gradient(180deg, #fff 0%, #F7FBFF 100%); }
.bento-proof { grid-column: 1 / 4; display: grid; grid-template-columns: 180px 1fr; gap: 18px; align-items: center; }
.panel-kicker {
  display: inline-block;
  color: var(--lilac);
  background: var(--lilac-bg);
  border-radius: 999px;
  padding: 2px 10px;
  font-size: 13px;
  margin-bottom: 8px;
}
.bento-card h3, .case-card h3, .entry-card h3, .method-step h3, .path-item h3 {
  margin: 0 0 8px;
  font-size: 18px;
  line-height: 1.45;
}
.bento-card p, .case-card p, .entry-card p, .method-step p, .path-item p, .stat-note { margin: 0; color: var(--muted); }
.stat-grid, .method-grid, .entry-grid {
  display: grid;
  gap: 16px;
}
.stat-grid { grid-template-columns: repeat(4, 1fr); }
.stat-card, .method-step, .entry-card, .case-card, .partner-plate, .month-block, .path-item {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.stat-card { padding: 22px 18px; }
.stat-num {
  font-size: 32px;
  line-height: 1.2;
  color: var(--blue);
  font-weight: 700;
  margin: 0 0 4px;
}
.stat-label { margin: 0 0 8px; font-weight: 700; }
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
}
.steps::before {
  content: "";
  position: absolute;
  left: 8%;
  right: 8%;
  top: 28px;
  height: 2px;
  background: #D5E2F4;
}
.step {
  position: relative;
  padding: 0 14px;
}
.step-index {
  width: 56px;
  height: 56px;
  margin: 0 auto 14px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid var(--blue);
  color: var(--blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  position: relative;
  z-index: 1;
}
.step h3 { text-align: center; margin: 0 0 8px; font-size: 18px; }
.step p { margin: 0; color: var(--muted); text-align: left; }
.case-wall {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
}
.case-card { padding: 22px; display: flex; flex-direction: column; gap: 10px; transition: transform .2s ease; }
.case-card:hover { transform: translateY(-2px); }
.case-card:nth-child(1) { grid-column: span 4; background: linear-gradient(180deg, #fff, #F8F5FC); }
.case-card:nth-child(2) { grid-column: span 2; }
.case-card:nth-child(3), .case-card:nth-child(4), .case-card:nth-child(5) { grid-column: span 2; }
.case-date { color: var(--lilac); font-size: 14px; }
.text-link { color: var(--blue); font-weight: 600; }
.case-card .text-link, .entry-card .text-link { margin-top: auto; }
.news-list { display: flex; flex-direction: column; border-top: 1px solid var(--line); }
.news-item {
  display: grid;
  grid-template-columns: 128px 1fr;
  gap: 18px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
  background: transparent;
}
.news-date { color: var(--lilac); font-weight: 700; }
.news-item h3 { margin: 0 0 6px; font-size: 18px; }
.news-item p { margin: 0; color: var(--muted); }
.more-wrap { display: flex; justify-content: flex-end; padding-top: 16px; }
.more-link {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  padding: 0 8px;
  border-bottom: 2px solid var(--lilac);
  color: var(--lilac);
}
.partner-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.partner-plate { padding: 22px 16px; text-align: left; background: #F8FAFD; }
.partner-plate strong { display: block; margin-bottom: 6px; }
.partner-plate span { color: var(--muted); font-size: 14px; }
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.faq-item h3 { margin: 0; font-size: 18px; }
.faq-btn {
  width: 100%;
  min-height: 56px;
  text-align: left;
  background: #fff;
  border: 0;
  border-radius: var(--radius);
  padding: 14px 18px;
  color: var(--text);
  font-size: 18px;
  font-weight: 700;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  cursor: pointer;
}
.faq-btn::after { content: "+"; color: var(--lilac); font-size: 22px; line-height: 1; }
.faq-btn[aria-expanded="true"]::after { content: "–"; }
.faq-panel { padding: 0 18px 16px; color: var(--text); }
.faq-panel p { margin: 0; }
.guarantee { padding: 28px 0; }
.guarantee-bar {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  box-shadow: var(--shadow);
  overflow: hidden;
}
.guarantee-item { padding: 16px 22px; }
.guarantee-item + .guarantee-item { border-left: 1px solid var(--line); }
.guarantee-item strong { display: block; color: var(--blue); }
.guarantee-item span { color: var(--muted); font-size: 14px; }
.consult-copy h2 { margin-top: 0; }
.consult-form, .entry-card, .method-step, .path-item, .month-block { padding: 22px; }
.field { margin-bottom: 14px; }
.field label { display: block; font-weight: 600; margin-bottom: 6px; }
.field input, .field textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius-btn);
  background: #fff;
  color: var(--text);
  margin: 0;
  box-shadow: none;
}
.field input { height: 44px; padding: 0 12px; }
.field textarea { min-height: 120px; padding: 10px 12px; resize: vertical; }
.field-error { min-height: 0; margin: 6px 0 0; color: #9B3A3A; font-size: 14px; }
.field-error:empty { display: none; }
.form-success {
  display: none;
  margin-top: 12px;
  padding: 12px 14px;
  border-radius: var(--radius-btn);
  background: var(--lilac-bg);
  color: var(--lilac);
}
.form-success.is-show { display: block; }
.entry-grid { grid-template-columns: 1fr 1fr; }
.entry-card { display: flex; flex-direction: column; min-height: 230px; color: var(--text); transition: transform .2s ease; }
.entry-card:hover { transform: translateY(-2px); color: var(--text); }
.entry-card .tag {
  align-self: flex-start;
  color: var(--lilac);
  background: var(--lilac-bg);
  border-radius: 999px;
  padding: 2px 10px;
  margin-bottom: 10px;
  font-size: 13px;
}
.scene-wrap { overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; box-shadow: var(--shadow); }
.scene-table { width: 100%; border-collapse: collapse; margin: 0; }
.scene-table th, .scene-table td { padding: 16px 18px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--line); }
.scene-table th { background: #F7FAFE; color: var(--blue); font-weight: 700; }
.scene-table tr:last-child td { border-bottom: 0; }
.calendar { display: grid; grid-template-columns: 180px 1fr; gap: 18px 24px; }
.month-label {
  background: var(--lilac-bg);
  color: var(--lilac);
  border-radius: var(--radius);
  padding: 14px 16px;
  font-weight: 700;
  height: fit-content;
}
.month-block ul { margin: 0; padding-left: 18px; }
.month-block li { margin: 6px 0; }
.method-grid { grid-template-columns: repeat(3, 1fr); margin-bottom: 18px; }
.query-examples { display: flex; flex-wrap: wrap; gap: 10px; }
.chip {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 14px;
  color: var(--text);
  box-shadow: var(--shadow);
}
.heat-list { display: flex; flex-direction: column; gap: 14px; }
.heat-item {
  display: grid;
  grid-template-columns: 120px 1fr 52px;
  gap: 12px;
  align-items: center;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 16px;
  box-shadow: var(--shadow);
}
.heat-track { height: 8px; background: var(--line); border-radius: 999px; overflow: hidden; }
.heat-bar { display: block; height: 100%; background: linear-gradient(90deg, var(--blue), var(--lilac)); border-radius: 999px; }
.heat-num { color: var(--lilac); font-weight: 700; text-align: right; }
.path-list { display: flex; flex-direction: column; gap: 12px; }
.path-item { display: grid; grid-template-columns: 56px 1fr auto; gap: 14px; align-items: center; }
.path-no {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--lilac-bg);
  color: var(--lilac);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}
.site-footer { background: #fff; border-top: 1px solid var(--line); padding: 48px 0 0; }
.footer-title { margin: 0 0 12px; font-size: 18px; }
.footer-brand p, .site-footer li { color: var(--muted); }
.site-footer ul { margin: 0; padding: 0; list-style: none; }
.site-footer li { margin: 8px 0; }
.footer-bottom {
  margin-top: 28px;
  border-top: 1px solid var(--line);
  padding: 14px 0;
  color: var(--muted);
  font-size: 14px;
}
@media (max-width: 1023px) {
  .bento { grid-template-columns: 1fr 1fr; }
  .bento-search, .bento-proof { grid-column: 1 / -1; }
  .bento-proof { grid-template-columns: 1fr; }
  .stat-grid, .partner-row { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr 1fr; gap: 22px; }
  .steps::before { display: none; }
  .case-card:nth-child(n) { grid-column: span 3; }
  .nav-channels { gap: 0; }
  .nav-search input { width: 140px; }
}
@media (max-width: 768px) {
  .hero-title { font-size: 30px; }
  .calendar { grid-template-columns: 1fr; }
  .path-item { grid-template-columns: 44px 1fr; }
  .path-item .text-link { grid-column: 2; }
}
@media (max-width: 640px) {
  :root { --pad: 40px; }
  .header-inner { padding: 0 12px; gap: 8px; }
  .nav-toggle, .search-toggle { display: inline-flex; }
  .nav-channels {
    display: none;
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    padding: 8px 12px 14px;
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow);
    margin: 0;
  }
  .nav-channels.is-open { display: flex; }
  .nav-channels a { padding: 12px; min-height: 44px; }
  .nav-search { display: none; position: absolute; top: var(--header-h); left: 12px; right: 12px; z-index: 41; }
  .nav-search.is-open { display: block; }
  .nav-search input { width: 100%; background: #fff; }
  .stat-grid, .partner-row, .entry-grid, .method-grid, .steps, .bento { grid-template-columns: 1fr; }
  .case-wall { grid-template-columns: 1fr; }
  .case-card:nth-child(n) { grid-column: auto; }
  .news-item { grid-template-columns: 1fr; gap: 4px; }
  .guarantee-bar { grid-template-columns: 1fr; border-radius: var(--radius); }
  .guarantee-item + .guarantee-item { border-left: 0; border-top: 1px solid var(--line); }
  .heat-item { grid-template-columns: 1fr auto; }
  .heat-track { grid-column: 1 / -1; }
  .scene-table thead { display: none; }
  .scene-table, .scene-table tbody, .scene-table tr, .scene-table td { display: block; width: 100%; }
  .scene-table tr { padding: 8px 0; border-bottom: 1px solid var(--line); }
  .scene-table td { border: 0; padding: 6px 16px; }
  .scene-table td::before { content: attr(data-label); display: block; color: var(--blue); font-weight: 700; }
  .head-row { flex-direction: column; align-items: flex-start; }
  .hero-search input { max-width: none; }
}
@media (max-width: 520px) {
  .hero-title { font-size: 26px; }
  .section-title { font-size: 22px; }
  .logo-text { font-size: 15px; }
  .hero-actions .btn, .consult-form .btn { width: 100%; }
  .header-tools .btn { padding: 0 10px; }
}

/* roulang page: category1 */
:root {
 --bg: #F4F7FB;
 --card: #FFFFFF;
 --blue: #3D6FBF;
 --blue-hover: #2C528F;
 --text: #1C2430;
 --muted: #5C6B7A;
 --line: #E3E9F2;
 --lilac: #7D5BA6;
 --lilac-bg: #F3EEF8;
 --shadow: 0 8px 24px rgba(47, 74, 120, .08);
 --radius: 12px;
 --radius-btn: 10px;
 --header-h: 72px;
 --max: 1160px;
 --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: 16px;
 line-height: 1.75;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--blue); text-decoration: none; }
a:hover { color: var(--blue-hover); }
button, input, textarea, select { font-family: inherit; }
p { margin: 0; }
h1, h2, h3 { color: var(--text); }
.sr-only {
 position: absolute;
 width: 1px;
 height: 1px;
 padding: 0;
 margin: -1px;
 overflow: hidden;
 clip: rect(0, 0, 0, 0);
 white-space: nowrap;
 border: 0;
}
.row { max-width: var(--max); }
.site-header {
 position: sticky;
 top: 0;
 z-index: 40;
 height: var(--header-h);
 background: #fff;
 border-bottom: 1px solid var(--line);
 box-shadow: 0 8px 24px rgba(47, 74, 120, .05);
}
.header-inner {
 max-width: var(--max);
 height: var(--header-h);
 margin: 0 auto;
 padding: 0 20px;
 display: flex;
 align-items: center;
 gap: 20px;
 position: relative;
}
.logo {
 display: flex;
 align-items: center;
 gap: 8px;
 color: var(--text);
 font-weight: 700;
 font-size: 18px;
 flex: 0 0 auto;
 white-space: nowrap;
}
.logo:hover { color: var(--text); }
.logo-mark { width: 32px; height: 32px; flex: 0 0 auto; }
.nav-channels {
 display: flex;
 align-items: center;
 gap: 6px;
 margin: 0 auto;
}
.nav-channels a {
 color: var(--text);
 padding: 8px 12px;
 border-radius: 8px;
 font-size: 16px;
}
.nav-channels a:hover { color: var(--blue); background: #F4F7FB; }
.nav-channels a.is-current {
 color: var(--lilac);
 text-decoration: underline;
 text-underline-offset: 6px;
 background: transparent;
}
.header-tools {
 display: flex;
 align-items: center;
 gap: 10px;
 margin-left: auto;
}
.nav-search { margin: 0; }
.nav-search input {
 height: 44px;
 border: 1px solid var(--line);
 border-radius: 999px;
 background: #fff;
 color: var(--text);
 padding: 0 16px;
 width: 188px;
 box-shadow: none;
 margin: 0;
}
.nav-search input:focus, .ctrl:focus, .faq-q:focus-visible, .btn:focus-visible, .nav-toggle:focus-visible, .search-toggle:focus-visible, a:focus-visible {
 outline: none;
 border-color: var(--blue);
 box-shadow: 0 0 0 3px rgba(61, 111, 191, .18);
}
.search-toggle, .nav-toggle {
 display: none;
 width: 44px;
 height: 44px;
 border: 1px solid var(--line);
 background: #fff;
 border-radius: var(--radius-btn);
 color: var(--blue);
 align-items: center;
 justify-content: center;
 cursor: pointer;
 padding: 0;
}
.btn {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 min-height: 44px;
 padding: 0 18px;
 border-radius: var(--radius-btn);
 border: 1px solid transparent;
 font-size: 16px;
 line-height: 1.2;
 cursor: pointer;
 text-decoration: none;
 transition: background .2s ease, color .2s ease, border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover, .btn-primary:focus { background: var(--blue-hover); color: #fff; }
.btn-primary:active { transform: translateY(1px); }
.btn-secondary { background: #fff; color: var(--blue); border-color: var(--blue); }
.btn-secondary:hover { background: #F4F7FB; color: var(--blue-hover); }
section { padding: var(--pad) 0; }
.section-head { margin-bottom: 22px; max-width: 760px; }
.section-title {
 margin: 0 0 8px;
 font-size: 24px;
 line-height: 1.4;
 font-weight: 700;
}
.section-lead { margin: 0; color: var(--muted); }
.count-pill {
 flex: 0 0 auto;
 background: var(--lilac-bg);
 color: var(--lilac);
 border-radius: 999px;
 padding: 6px 12px;
 font-size: 14px;
 font-weight: 600;
}
.title-band {
 padding: 28px 0 26px;
 background: linear-gradient(180deg, #E7F1FB 0%, #F4F7FB 72%);
 border-bottom: 1px solid var(--line);
}
.crumb {
 display: flex;
 flex-wrap: wrap;
 gap: 6px;
 align-items: center;
 margin: 0 0 12px;
 color: var(--muted);
 font-size: 14px;
}
.crumb a { color: var(--blue); }
.crumb span[aria-hidden="true"] { color: #9AA8B8; }
.band-top {
 display: flex;
 justify-content: space-between;
 align-items: flex-end;
 gap: 16px;
}
.band-top h1 {
 margin: 0;
 font-size: 36px;
 line-height: 1.35;
 font-weight: 700;
}
.band-lead {
 margin: 12px 0 0;
 max-width: 640px;
 color: var(--muted);
}
.filter-band {
 padding: 28px 0;
 background: #fff;
 border-bottom: 1px solid var(--line);
}
.filter-form { margin: 0; }
.filter-form label {
 display: block;
 margin: 0 0 6px;
 font-size: 14px;
 font-weight: 600;
 color: var(--text);
}
.ctrl {
 display: block;
 width: 100%;
 height: 44px;
 margin: 0;
 padding: 0 12px;
 border: 1px solid var(--line);
 border-radius: var(--radius-btn);
 background: #fff;
 color: var(--text);
 box-shadow: none;
 appearance: none;
 background-image: linear-gradient(45deg, transparent 50%, var(--blue) 50%), linear-gradient(135deg, var(--blue) 50%, transparent 50%);
 background-position: calc(100% - 18px) 19px, calc(100% - 12px) 19px;
 background-size: 6px 6px, 6px 6px;
 background-repeat: no-repeat;
}
.filter-note {
 margin-top: 28px;
 color: var(--muted);
 font-size: 14px;
}
.list-band { background: var(--bg); }
.entry-list { display: flex; flex-direction: column; gap: 14px; }
.entry-row {
 display: grid;
 grid-template-columns: 148px minmax(0, 1fr) 148px;
 gap: 18px;
 align-items: center;
 background: var(--card);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
 padding: 18px 20px;
 transition: transform .2s ease, box-shadow .2s ease;
}
.entry-row:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(47, 74, 120, .12); }
.entry-row[hidden] { display: none !important; }
.entry-side time {
 display: block;
 margin-top: 8px;
 color: var(--muted);
 font-size: 14px;
}
.badge {
 display: inline-flex;
 align-items: center;
 min-height: 28px;
 padding: 0 10px;
 border-radius: 999px;
 background: var(--lilac-bg);
 color: var(--lilac);
 font-size: 13px;
 font-weight: 600;
}
.entry-main h3 { margin: 0 0 6px; font-size: 18px; line-height: 1.45; }
.entry-main p { color: var(--muted); }
.entry-end {
 display: flex;
 flex-direction: column;
 align-items: flex-end;
 gap: 8px;
}
.status {
 display: inline-flex;
 align-items: center;
 min-height: 28px;
 padding: 0 10px;
 border-radius: 999px;
 font-size: 13px;
 font-weight: 600;
 border: 1px solid var(--line);
}
.status-ok { color: var(--blue); background: #F3F7FD; }
.status-wait { color: var(--lilac); background: var(--lilac-bg); }
.text-link { color: var(--blue); font-weight: 600; }
.text-link:hover { color: var(--blue-hover); }
.empty-note {
 margin: 8px 0 0;
 padding: 18px 20px;
 border: 1px dashed var(--line);
 border-radius: var(--radius);
 background: #fff;
 color: var(--muted);
}
.scope-band { background: #fff; }
.scope-copy {
 background: linear-gradient(180deg, #fff 0%, #F7FBFF 100%);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
 padding: 24px;
 height: 100%;
}
.scope-copy p + p { margin-top: 12px; }
.scope-list {
 margin: 0;
 padding: 8px 8px 8px 22px;
 background: var(--card);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
 height: 100%;
}
.scope-list li {
 margin: 0;
 padding: 12px 12px 12px 0;
 border-bottom: 1px solid var(--line);
 color: var(--text);
}
.scope-list li:last-child { border-bottom: 0; }
.strip-band {
 padding: 28px 0;
 background: var(--lilac-bg);
}
.strip-item {
 background: #fff;
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
 padding: 16px 18px;
 min-height: 96px;
}
.strip-num {
 display: block;
 font-size: 28px;
 line-height: 1.2;
 font-weight: 700;
 color: var(--blue);
}
.strip-label { display: block; margin-top: 4px; color: var(--muted); font-size: 14px; }
.order-band { background: var(--bg); }
.order-list { list-style: none; margin: 0; padding: 0; }
.order-item {
 display: grid;
 grid-template-columns: 52px minmax(0, 1fr);
 gap: 14px;
 padding: 18px 0;
 border-bottom: 1px solid var(--line);
}
.order-item:first-child { border-top: 1px solid var(--line); }
.order-index {
 width: 44px;
 height: 44px;
 border-radius: 50%;
 display: flex;
 align-items: center;
 justify-content: center;
 background: #fff;
 border: 1px solid var(--line);
 color: var(--lilac);
 font-weight: 700;
 box-shadow: var(--shadow);
}
.order-item h3 { margin: 0 0 4px; font-size: 18px; }
.order-item p { color: var(--muted); }
.order-links { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 8px; }
.related-band { background: #fff; }
.related-list { display: flex; flex-direction: column; }
.related-item {
 display: grid;
 grid-template-columns: 120px minmax(0, 1fr) auto;
 gap: 16px;
 align-items: center;
 padding: 18px 0;
 border-bottom: 1px solid var(--line);
}
.related-item:first-child { border-top: 1px solid var(--line); }
.related-item time { color: var(--muted); font-size: 14px; }
.related-item h3 { margin: 0 0 4px; font-size: 18px; }
.related-item p { color: var(--muted); }
.faq-band { background: var(--bg); }
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item {
 background: #fff;
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
 overflow: hidden;
}
.faq-q {
 width: 100%;
 min-height: 56px;
 margin: 0;
 padding: 14px 18px;
 border: 0;
 background: #fff;
 color: var(--text);
 text-align: left;
 font-size: 16px;
 font-weight: 700;
 line-height: 1.5;
 cursor: pointer;
 display: flex;
 justify-content: space-between;
 gap: 12px;
 align-items: center;
}
.faq-q::-moz-focus-inner { border: 0; }
.faq-q::after {
 content: "";
 width: 8px;
 height: 8px;
 border-right: 2px solid var(--blue);
 border-bottom: 2px solid var(--blue);
 transform: rotate(45deg);
 flex: 0 0 auto;
 transition: transform .2s ease;
}
.faq-item.is-open .faq-q::after { transform: rotate(225deg); }
.faq-q:hover { color: var(--blue); }
.faq-a { padding: 0 18px 16px; color: var(--muted); }
.faq-a[hidden] { display: none; }
.site-footer {
 background: #fff;
 border-top: 1px solid var(--line);
 padding: 48px 0 20px;
 color: var(--muted);
}
.footer-title {
 margin: 0 0 12px;
 font-size: 16px;
 font-weight: 700;
 color: var(--text);
}
.footer-brand p { margin: 0; }
.site-footer ul { margin: 0; padding: 0; list-style: none; }
.site-footer li { margin: 0 0 8px; }
.site-footer a { color: var(--blue); }
.site-footer a:hover { color: var(--blue-hover); }
.footer-bottom {
 margin-top: 20px;
 padding-top: 16px;
 border-top: 1px solid var(--line);
 color: var(--muted);
 font-size: 14px;
}
@media (max-width: 1023px) {
 :root { --pad: 40px; }
 .band-top h1 { font-size: 30px; }
 .nav-channels {
 display: none;
 position: absolute;
 top: var(--header-h);
 left: 0;
 right: 0;
 margin: 0;
 padding: 8px 16px 16px;
 background: #fff;
 border-bottom: 1px solid var(--line);
 box-shadow: var(--shadow);
 flex-direction: column;
 align-items: stretch;
 z-index: 30;
 }
 .nav-channels.is-open { display: flex; }
 .nav-channels a { padding: 12px; }
 .nav-toggle, .search-toggle { display: inline-flex; }
 .nav-search {
 display: none;
 position: absolute;
 top: var(--header-h);
 right: 12px;
 z-index: 31;
 background: #fff;
 padding: 10px;
 border: 1px solid var(--line);
 border-radius: 12px;
 box-shadow: var(--shadow);
 }
 .nav-search.is-open { display: block; }
 .entry-row { grid-template-columns: 120px minmax(0, 1fr); }
 .entry-end { grid-column: 1 / -1; flex-direction: row; justify-content: space-between; align-items: center; }
 .related-item { grid-template-columns: 96px minmax(0, 1fr); }
 .related-item .text-link { grid-column: 1 / -1; }
}
@media (max-width: 639px) {
 .band-top { flex-direction: column; align-items: flex-start; }
 .band-top h1 { font-size: 26px; }
 .header-inner { padding: 0 12px; gap: 8px; }
 .logo { font-size: 15px; gap: 6px; }
 .btn { padding: 0 12px; }
 .entry-row, .related-item, .order-item { grid-template-columns: 1fr; }
 .entry-end { align-items: flex-start; }
 .strip-item { margin-bottom: 12px; }
 .filter-note { margin-top: 8px; }
}
@media (max-width: 520px) {
 .logo-text { font-size: 14px; }
 .header-tools { gap: 6px; }
 .btn { font-size: 14px; padding: 0 10px; }
}

/* roulang page: category2 */
:root {
  --bg: #F4F7FB;
  --card: #FFFFFF;
  --blue: #3D6FBF;
  --blue-hover: #2C528F;
  --text: #1C2430;
  --muted: #5C6B7A;
  --line: #E3E9F2;
  --lilac: #7D5BA6;
  --lilac-bg: #F3EEF8;
  --shadow: 0 8px 24px rgba(47, 74, 120, .08);
  --radius: 12px;
  --radius-btn: 10px;
  --header-h: 72px;
  --max: 1160px;
  --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: 16px;
  line-height: 1.75;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--blue); text-decoration: none; }
a:hover { color: var(--blue-hover); }
button, input, textarea { font-family: inherit; font-size: 16px; }
p { margin: 0 0 12px; }
h1, h2, h3 { color: var(--text); word-break: break-word; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.row { max-width: var(--max); }
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  height: var(--header-h);
  background: #fff;
  border-bottom: 1px solid var(--line);
  box-shadow: 0 8px 24px rgba(47, 74, 120, .05);
}
.header-inner {
  max-width: var(--max);
  height: var(--header-h);
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  gap: 20px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text);
  font-weight: 700;
  font-size: 18px;
  flex: 0 0 auto;
  min-height: 44px;
}
.logo:hover { color: var(--text); }
.logo-mark { width: 32px; height: 32px; flex: 0 0 auto; }
.nav-channels {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 0 auto;
}
.nav-channels a {
  color: var(--text);
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 16px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}
.nav-channels a:hover { color: var(--blue); background: #F4F7FB; }
.nav-channels a.is-current {
  color: var(--lilac);
  text-decoration: underline;
  text-underline-offset: 6px;
  background: transparent;
}
.header-tools {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: auto;
}
.nav-search { margin: 0; position: relative; }
.nav-search input,
.field input,
.field textarea {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--text);
  box-shadow: none;
  margin: 0;
}
.nav-search input {
  height: 44px;
  border-radius: 999px;
  padding: 0 16px;
  width: 188px;
}
.nav-search input:focus,
.field input:focus,
.field textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(61, 111, 191, .15);
  outline: none;
}
.search-toggle, .nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: var(--radius-btn);
  color: var(--blue);
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 0;
}
.search-toggle:hover, .nav-toggle:hover { border-color: var(--blue); background: #F4F7FB; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: var(--radius-btn);
  border: 1px solid transparent;
  font-size: 16px;
  line-height: 1.2;
  cursor: pointer;
  text-decoration: none;
  transition: background .2s ease, color .2s ease, border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover, .btn-primary:focus { background: var(--blue-hover); color: #fff; }
.btn-primary:active { transform: translateY(1px); }
.btn-secondary { background: #fff; color: var(--blue); border-color: var(--blue); }
.btn-secondary:hover, .btn-secondary:focus { background: #F4F7FB; color: var(--blue-hover); }
button:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 3px solid rgba(61, 111, 191, .35);
  outline-offset: 2px;
}
main { display: block; }
section { padding: var(--pad) 0; }
.range-band {
  padding: 36px 0 40px;
  background: #fff;
  border-bottom: 1px solid var(--line);
}
.crumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 14px;
}
.crumb span[aria-hidden="true"] { color: #C5D0DE; }
.range-band h1 {
  margin: 0 0 10px;
  font-size: 36px;
  line-height: 1.35;
  font-weight: 700;
}
.range-sub { margin: 0 0 18px; color: var(--muted); max-width: 640px; }
.range-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.range-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px 18px 10px;
  height: 100%;
}
.range-label {
  margin: 0 0 6px;
  color: var(--lilac);
  font-size: 14px;
  font-weight: 700;
}
.range-card strong {
  display: block;
  margin-bottom: 10px;
  font-size: 18px;
  line-height: 1.45;
  font-weight: 700;
}
.range-card ul { list-style: none; margin: 0; padding: 0; }
.range-card li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
}
.range-card li b { color: var(--text); font-weight: 700; }
.section-plain { background: var(--bg); }
.section-white { background: #fff; }
.section-lilac { background: var(--lilac-bg); }
.section-head { margin-bottom: 28px; max-width: 760px; }
.section-title {
  margin: 0 0 8px;
  font-size: 24px;
  line-height: 1.4;
  font-weight: 700;
}
.section-lead { margin: 0; color: var(--muted); }
.timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 118px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: #D5DEEA;
}
.timeline-item {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 36px;
  position: relative;
  margin: 0 0 16px;
}
.timeline-item:last-child { margin-bottom: 0; }
.time-date {
  text-align: right;
  font-weight: 700;
  color: var(--blue);
  padding-top: 18px;
  font-variant-numeric: tabular-nums;
}
.time-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px 20px 16px;
  position: relative;
  transition: transform .2s ease, box-shadow .2s ease;
}
.time-card:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(47, 74, 120, .12); }
.time-card::before {
  content: "";
  position: absolute;
  left: -29px;
  top: 24px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid var(--lilac);
  box-shadow: 0 0 0 4px #F4F7FB;
}
.time-card h3 { margin: 0 0 8px; font-size: 18px; line-height: 1.45; }
.time-card p { margin: 0 0 12px; color: var(--muted); }
.badge {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  background: var(--lilac-bg);
  color: var(--lilac);
  font-size: 14px;
  margin-bottom: 8px;
}
.badge-wait { background: #E7F1FB; color: var(--blue); }
.text-link { color: var(--blue); font-weight: 600; display: inline-flex; align-items: center; min-height: 44px; }
.text-link:hover { color: var(--blue-hover); }
.tag-list { display: flex; flex-wrap: wrap; gap: 10px; }
.tag-btn {
  min-height: 44px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--text);
  padding: 0 16px;
  cursor: pointer;
  transition: background .2s ease, color .2s ease, border-color .2s ease, transform .2s ease;
}
.tag-btn:hover { border-color: var(--blue); color: var(--blue); }
.tag-btn[aria-pressed="true"] {
  background: var(--lilac-bg);
  color: var(--lilac);
  border-color: #D9CCE8;
}
.table-wrap { width: 100%; }
.compare-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  table-layout: fixed;
}
.compare-table th, .compare-table td {
  text-align: left;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  word-break: break-word;
}
.compare-table th { background: #F7FBFF; font-weight: 700; color: var(--text); }
.compare-table tr:last-child td { border-bottom: 0; }
.compare-table th:nth-child(1) { width: 22%; }
.compare-table th:nth-child(4) { width: 16%; }
.compare-table th:nth-child(5) { width: 14%; }
.focus-card, .side-card, .consult-card, .sheet {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.focus-card, .side-card { padding: 22px; height: 100%; }
.focus-card h3, .side-card h3 { margin: 0 0 8px; font-size: 18px; line-height: 1.45; }
.focus-card p, .side-card p { margin: 0 0 12px; color: var(--muted); }
.meta-line {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 14px;
}
.meta-line span {
  background: #F4F7FB;
  border-radius: 999px;
  padding: 4px 10px;
  color: var(--muted);
  font-size: 14px;
}
.dist-chart {
  width: 100%;
  height: auto;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #F4F7FB;
}
.chart-note { margin: 8px 0 0; color: var(--muted); font-size: 14px; }
.side-stack { display: flex; flex-direction: column; gap: 16px; height: 100%; }
.side-card { flex: 1; }
.sheet { overflow: hidden; }
.sheet-row {
  display: grid;
  grid-template-columns: 148px 1fr;
  gap: 18px;
  padding: 18px 22px;
  border-bottom: 1px solid var(--line);
  background: #fff;
}
.sheet-row:last-child { border-bottom: 0; }
.sheet-k { font-weight: 700; color: var(--lilac); }
.sheet-row p { margin: 0; color: var(--text); }
.article-list { display: flex; flex-direction: column; border-top: 1px solid var(--line); }
.article-item {
  display: grid;
  grid-template-columns: 120px 1fr auto;
  gap: 18px;
  align-items: center;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}
.article-date { color: var(--blue); font-weight: 700; font-variant-numeric: tabular-nums; }
.article-item h3 { margin: 0 0 4px; font-size: 18px; }
.article-item p { margin: 0; color: var(--muted); }
.consult-copy h2 { margin-top: 0; }
.consult-card { padding: 22px; }
.field { margin-bottom: 14px; }
.field label { display: block; margin-bottom: 8px; font-weight: 600; }
.field input, .field textarea {
  width: 100%;
  border-radius: 12px;
  padding: 10px 14px;
}
.field input { height: 44px; }
.field textarea { min-height: 120px; resize: vertical; }
.field-error {
  display: block;
  min-height: 22px;
  color: #9B3A3A;
  font-size: 14px;
  margin-top: 4px;
}
.field input[aria-invalid="true"], .field textarea[aria-invalid="true"] { border-color: #9B3A3A; }
.form-status { min-height: 28px; margin: 8px 0 0; color: var(--lilac); font-weight: 600; }
.site-footer {
  background: #fff;
  border-top: 1px solid var(--line);
  padding: 48px 0 20px;
  color: var(--muted);
}
.footer-title { font-size: 18px; color: var(--text); margin: 0 0 12px; font-weight: 700; }
.footer-brand p { margin: 0; }
.site-footer a { color: var(--text); }
.site-footer a:hover { color: var(--blue); }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin: 6px 0; }
.footer-bottom {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}
[hidden] { display: none !important; }
@media (max-width: 1023px) {
  .nav-channels {
    display: none;
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow);
    flex-direction: column;
    align-items: stretch;
    padding: 8px 16px 16px;
    margin: 0;
    z-index: 42;
  }
  .nav-channels.is-open { display: flex; }
  .nav-channels a { width: 100%; }
  .search-toggle, .nav-toggle { display: inline-flex; }
  .nav-search {
    display: none;
    position: absolute;
    top: calc(var(--header-h) + 8px);
    right: 12px;
    left: 12px;
    background: #fff;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 12px;
    box-shadow: var(--shadow);
    z-index: 43;
  }
  .nav-search.is-open { display: block; }
  .nav-search input { width: 100%; }
  .compare-table, .compare-table tbody, .compare-table tr, .compare-table td { display: block; width: 100%; }
  .compare-table { background: transparent; border: 0; box-shadow: none; overflow: visible; }
  .compare-table thead { display: none; }
  .compare-table tr {
    margin-bottom: 12px;
    border: 1px solid var(--line);
    border-radius: 12px;
    box-shadow: var(--shadow);
    background: #fff;
    overflow: hidden;
  }
  .compare-table td { border-bottom: 1px solid var(--line); }
  .compare-table tr td:last-child { border-bottom: 0; }
  .compare-table td::before {
    content: attr(data-label);
    display: block;
    font-weight: 700;
    color: var(--muted);
    font-size: 14px;
    margin-bottom: 4px;
  }
  .article-item { grid-template-columns: 88px 1fr; }
  .article-item .text-link { grid-column: 1 / -1; }
}
@media (max-width: 639px) {
  :root { --pad: 40px; }
  section { padding: 40px 0; }
  .range-band { padding: 28px 0 32px; }
  .range-band h1 { font-size: 26px; }
  .section-title { font-size: 22px; }
  .timeline::before { left: 6px; }
  .timeline-item { grid-template-columns: 1fr; gap: 6px; padding-left: 22px; }
  .time-date { text-align: left; padding-top: 0; }
  .time-card::before { left: -22px; top: 18px; box-shadow: 0 0 0 4px #F4F7FB; }
  .sheet-row { grid-template-columns: 1fr; gap: 4px; }
  .header-inner { gap: 8px; padding: 0 12px; }
}
@media (max-width: 520px) {
  .logo { font-size: 14px; gap: 4px; }
  .logo-mark { width: 26px; height: 26px; }
  .btn { padding: 0 12px; }
  .header-tools { gap: 6px; }
  .article-item { grid-template-columns: 1fr; gap: 4px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}