/* roulang page: index */
:root {
  --brand: #1D6CB3;
  --brand-dark: #155A90;
  --brand-soft: #EAF2F9;
  --body-bg: #F3F7FB;
  --card-bg: #FFFFFF;
  --line: #E3ECF3;
  --nav-bg: #102B42;
  --nav-text: #B7C9D8;
  --text-main: #1F3448;
  --text-sub: #5A6E80;
  --text-mute: #8A9BA9;
  --warm: #F06A2B;
  --warm-dark: #C94E16;
  --success: #1E9E83;
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-sm: 8px;
  --shadow: 0 10px 30px rgba(26, 73, 110, .08);
  --shadow-hover: 0 16px 36px rgba(26, 73, 110, .13);
  --font: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
}
*,
*::before,
*::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  background: var(--body-bg);
  color: var(--text-main);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; }
a { color: var(--brand); text-decoration: none; transition: color .2s ease, background .2s ease, border-color .2s ease, box-shadow .2s ease; }
a:hover { color: var(--brand-dark); }
h1, h2, h3, h4, h5, h6 { color: var(--text-main); }
:focus-visible { outline: 2px solid rgba(29, 108, 179, .55); outline-offset: 2px; border-radius: 4px; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001s !important; transition-duration: .001s !important; }
}

.layout { min-height: 100vh; width: 100%; }
.side-nav {
  position: fixed;
  inset: 0 auto 0 0;
  width: 280px;
  background: var(--nav-bg);
  z-index: 1050;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 0;
  transition: transform .3s ease, width .3s ease;
}
.side-brand {
  min-height: 96px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 20px;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}
.brand-mark {
  flex: 0 0 auto;
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--brand), #2E86C9);
  color: #fff;
  font-size: 19px;
  box-shadow: 0 6px 18px rgba(20, 100, 160, .25);
}
.side-brand .brand-name { font-weight: 600; color: #fff; font-size: 16px; line-height: 1.3; white-space: nowrap; }
.side-menu { flex: 1 1 auto; overflow-y: auto; padding: 18px 0 10px; scrollbar-width: thin; scrollbar-color: rgba(255,255,255,.15) transparent; }
.side-menu::-webkit-scrollbar { width: 4px; }
.side-menu::-webkit-scrollbar-thumb { background: rgba(255,255,255,.18); border-radius: 4px; }
.menu-label {
  padding: 10px 22px 8px;
  font-size: 12px;
  color: rgba(255, 255, 255, .35);
  letter-spacing: .08em;
  white-space: nowrap;
}
.menu-link {
  display: flex;
  align-items: center;
  height: 48px;
  padding: 0 20px;
  color: var(--nav-text);
  gap: 14px;
  position: relative;
  white-space: nowrap;
  font-size: 15px;
}
.menu-link i { width: 22px; text-align: center; font-size: 17px; color: inherit; flex: 0 0 auto; }
.menu-link:hover { color: #fff; background: rgba(255, 255, 255, .06); }
.menu-link.active { color: #fff; background: rgba(255, 255, 255, .08); }
.menu-link.active::before { content: ""; position: absolute; left: 0; top: 50%; transform: translateY(-50%); width: 4px; height: 24px; border-radius: 0 4px 4px 0; background: var(--brand); }
.side-foot {
  padding: 15px 18px 14px;
  border-top: 1px solid rgba(255, 255, 255, .08);
  color: rgba(255, 255, 255, .35);
  font-size: 12px;
  line-height: 1.8;
}
.side-foot i { margin-right: 6px; }
.main-area { margin-left: 280px; min-height: 100vh; display: flex; flex-direction: column; }
.page-view { flex: 1; padding: 28px clamp(18px, 3vw, 44px) 56px; max-width: 1450px; width: 100%; }
.mobile-topbar { display: none; }
.nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(8, 22, 36, .6);
  z-index: 1040;
  visibility: hidden;
  opacity: 0;
  transition: opacity .3s ease, visibility .3s ease;
}
body.nav-open .nav-overlay { opacity: 1; visibility: visible; }
body.nav-open .side-nav { transform: translateX(0); }
body.nav-open { overflow: hidden; }

.page-toolbar {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  min-height: 52px;
  padding: 8px 12px 8px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  justify-content: space-between;
  margin-bottom: 34px;
  box-shadow: 0 6px 18px rgba(26, 73, 110, .04);
}
.toolbar-crumb { font-size: 14px; color: var(--text-sub); display: flex; align-items: center; gap: 8px; }
.toolbar-crumb i { color: var(--brand); font-size: 14px; }
.toolbar-right { display: flex; align-items: center; gap: 10px; }
.toolbar-search { position: relative; }
.toolbar-search i { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); color: var(--text-mute); font-size: 14px; }
.toolbar-search input {
  border: 1px solid #D4E0E9;
  border-radius: 30px;
  background: var(--body-bg);
  height: 36px;
  width: 240px;
  padding: 0 16px 0 38px;
  font-size: 13px;
  color: var(--text-main);
  outline: none;
  transition: border .2s ease, box-shadow .2s ease;
}
.toolbar-search input:focus { border-color: var(--brand); box-shadow: 0 0 0 3px rgba(29, 108, 179, .12); background: #fff; }
.toolbar-service {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  height: 36px;
  padding: 0 16px;
  border-radius: 30px;
  border: 1px solid var(--line);
  color: var(--text-sub);
  font-size: 13px;
  background: #fff;
  transition: all .2s ease;
}
.toolbar-service:hover { border-color: var(--brand); color: var(--brand); }

.hero-zone {
  background: linear-gradient(100deg, rgba(255,255,255,.92) 0%, rgba(255,255,255,.78) 48%, rgba(234,242,249,.35) 100%), url('/assets/images/backpic/back-1.webp') top right / cover no-repeat;
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: var(--shadow);
  padding: clamp(24px, 4vw, 52px);
  position: relative;
  overflow: hidden;
  min-height: 520px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  margin-bottom: 24px;
}
.hero-zone::after { content: ""; display: block; background: radial-gradient(circle at 8% 100%, rgba(29,108,179,.10), transparent 65%); position: absolute; inset: 0; pointer-events: none; }
.hero-inner { position: relative; z-index: 2; }
.hero-caption {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(29, 108, 179, .1);
  color: var(--brand-dark);
  font-size: 14px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 30px;
  margin-bottom: 20px;
}
.hero-caption i { font-size: 13px; }
.hero-title { font-size: clamp(28px, 3.8vw, 42px); font-weight: 700; color: var(--text-main); line-height: 1.3; margin-bottom: 16px; max-width: 860px; }
.hero-title .brand-hl { color: var(--brand); }
.hero-sub { font-size: 16px; line-height: 1.9; color: var(--text-sub); max-width: 560px; margin-bottom: 28px; }
.hero-sub strong { color: var(--text-main); font-weight: 600; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 42px; }
.btn {
  height: 46px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  padding: 0 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all .25s ease;
  border: 1px solid transparent;
}
.btn-brand { background: var(--brand); color: #fff; box-shadow: 0 8px 20px rgba(29, 108, 179, .18); }
.btn-brand:hover { background: var(--brand-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 12px 26px rgba(29, 108, 179, .23); }
.btn-outline { background: transparent; border: 1px solid var(--brand); color: var(--brand); }
.btn-outline:hover { background: rgba(29, 108, 179, .06); color: var(--brand-dark); border-color: var(--brand-dark); }
.btn-warm { background: linear-gradient(120deg, #F06A2B, #C94E16); color: #fff; }
.btn-warm:hover { color: #fff; transform: translateY(-2px); box-shadow: 0 10px 28px rgba(240, 106, 43, .28); }
.btn-light { background: #fff; color: var(--brand-dark); border: 1px solid var(--line); }
.btn-light:hover { background: var(--brand-soft); color: var(--brand-dark); }
.text-link-btn { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; font-weight: 600; color: var(--brand); border-radius: 4px; transition: all .2s; }
.text-link-btn i { transition: transform .2s; }
.text-link-btn:hover { color: var(--brand-dark); }
.text-link-btn:hover i { transform: translateX(3px); }
.hero-stats { display: flex; flex-wrap: wrap; gap: clamp(24px, 5vw, 72px); border-top: 1px solid rgba(29, 108, 179, .13); padding-top: 20px; z-index: 2; position: relative; }
.hero-stat { display: flex; flex-direction: column; }
.hero-stat strong { font-size: 20px; font-weight: 700; color: var(--text-main); line-height: 1.2; }
.hero-stat span { font-size: 13px; color: var(--text-mute); margin-top: 4px; }
.hero-visual { position: relative; z-index: 2; }
.hero-poster { border-radius: 18px; border: 1px solid var(--line); box-shadow: var(--shadow-hover); overflow: hidden; max-width: 380px; margin-left: auto; background: #fff; }
.hero-poster img { width: 100%; height: 270px; object-fit: cover; display: block; }
.poster-caption { padding: 10px 14px; font-size: 13px; color: var(--text-sub); background: #fff; display: flex; justify-content: space-between; align-items: center; }
.float-chip {
  position: absolute;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #fff;
  border: 1px solid transparent;
  border-radius: 14px;
  padding: 10px 14px;
  box-shadow: var(--shadow);
  font-size: 13px;
  color: var(--text-main);
  font-weight: 600;
}
.float-chip i { color: var(--warm); }
.float-chip.chip-1 { top: 14%; right: -8px; }
.float-chip.chip-2 { bottom: 18%; left: 4%; }
.float-chip.chip-2 i { color: var(--brand); }

.section-box { position: relative; }
.section-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 12px; margin-bottom: 26px; }
.section-head h2 { font-size: clamp(22px, 2.6vw, 32px); font-weight: 700; margin: 0; position: relative; padding-bottom: 12px; font-family: var(--font); }
.section-head h2::before { content: ""; position: absolute; left: 0; bottom: 0; width: 42px; height: 4px; border-radius: 6px; background: var(--brand); }
.section-head .section-note { font-size: 14px; color: var(--text-mute); }

.card-panel {
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.card-panel:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: rgba(29, 108, 179, .12); }

.promo-section { padding: 0 0 28px; }
.promo-stage .grid-outer { display: grid; grid-template-columns: repeat(12, 1fr); gap: 24px; }
.main-step-card { grid-column: span 5; height: 100%; min-height: 330px; }
.step-stack { grid-column: span 7; display: flex; flex-direction: column; gap: 24px; }
.step-card { display: flex; flex-direction: column; justify-content: space-between; border-radius: var(--radius-lg); background: var(--card-bg); border: 1px solid var(--line); box-shadow: var(--shadow); padding: clamp(20px, 2vw, 30px); position: relative; overflow: hidden; min-height: 158px; transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease; }
.step-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: rgba(29, 108, 179, .15); }
.main-step-card { background: var(--brand-soft); min-height: 340px; }
.lv2-step { margin-right: 0; }
.lv3-step { margin-left: clamp(0px, 3vw, 48px); }
.step-badge {
  display: inline-flex;
  align-items: center;
  height: 28px;
  padding: 0 13px;
  background: rgba(29, 108, 179, .1);
  color: var(--brand);
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  align-self: flex-start;
}
.step-title { font-size: 18px; font-weight: 600; margin-top: 14px; margin-bottom: 8px; }
.step-desc { color: var(--text-sub); font-size: 14px; line-height: 1.8; }
.step-cond { margin-top: 12px; font-size: 13px; color: var(--text-mute); display: flex; gap: 8px; align-items: center; }
.step-cond i { color: var(--brand); }
.step-actions { margin-top: 16px; display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.step-actions .step-value { font-size: 24px; font-weight: 700; color: var(--warm); letter-spacing: .01em; font-variant-numeric: tabular-nums; }
.btn-get { border: 1px solid var(--brand); color: var(--brand); background: transparent; height: 38px; border-radius: 8px; padding: 0 18px; font-size: 14px; display: inline-flex; align-items: center; gap: 6px; transition: all .25s ease; }
.btn-get:hover { background: var(--brand); color: #fff; border-color: var(--brand); }

.compare-section { padding-bottom: 28px; }
.compare-grid { display: grid; grid-template-columns: 1fr 1.35fr; gap: 24px; align-items: stretch; }
.compare-card { background: var(--card-bg); border: 1px solid var(--line); border-radius: var(--radius-lg); box-shadow: var(--shadow); padding: 28px; position: relative; overflow: hidden; transition: transform .25s ease, box-shadow .25s ease; }
.compare-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.compare-card .plan-name { font-size: 20px; font-weight: 700; margin-bottom: 6px; }
.compare-card .plan-price { font-size: 32px; font-weight: 800; margin-bottom: 2px; letter-spacing: -.02em; line-height: 1.2; color: var(--text-main); }
.compare-card .plan-price small { font-size: 15px; color: var(--text-mute); font-weight: 400; margin-left: 4px; }
.compare-card .plan-user { font-size: 13px; color: var(--text-sub); background: var(--body-bg); border-radius: 9px; padding: 8px 14px; display: inline-block; margin: 12px 0 18px; }
.cmp-rows { margin-top: 14px; }
.cmp-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 0; border-bottom: 1px solid #edf2f7; font-size: 14px; }
.cmp-row:last-child { border-bottom: 0; }
.cmp-row .cmp-name { color: var(--text-sub); display: flex; align-items: center; gap: 9px; }
.cmp-row .cmp-name i { color: var(--brand); font-size: 14px; }
.cmp-mark { display: inline-flex; align-items: center; gap: 6px; font-weight: 600; color: var(--text-main); font-size: 15px; }
.cmp-mark .yes { color: var(--brand); }
.cmp-mark .dot { color: var(--brand); font-size: 20px; line-height: 1; }
.cmp-mark .no { color: #C5D2DE; }
.highlight-diff { background: rgba(240, 106, 43, .07); padding: 8px 12px; border-radius: 10px; border-left: 3px solid var(--warm); }
.highlight-diff em { font-style: normal; color: var(--warm); font-weight: 600; margin-right: 4px; font-size: 12px; }
.badge-recommend {
  position: absolute;
  top: 18px;
  right: -38px;
  transform: rotate(38deg);
  background: linear-gradient(110deg, var(--warm), var(--warm-dark));
  color: #fff;
  font-size: 12px;
  height: 26px;
  width: 150px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 5px 12px rgba(240, 106, 43, .3);
  font-weight: 600;
  z-index: 1;
}
.card-compare-cta { margin-top: 20px; display: flex; gap: 14px; align-items: center; flex-wrap: wrap; }
.card-compare-cta .suit-note { font-size: 13px; color: var(--text-mute); }

.flash-section { padding: 12px 0 56px; }
.flash-band {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: clamp(22px, 3.5vw, 44px);
  background: linear-gradient(110deg, #F06A2B 4%, #C94E16 100%);
  border-radius: 18px;
  overflow: hidden;
  color: #fff;
}
.flash-band::before { content: ""; background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat; opacity: .13; position: absolute; inset: 0; transform: scale(1.1); }
.flash-inner { position: relative; display: flex; align-items: center; flex-wrap: wrap; gap: 20px; justify-content: space-between; width: 100%; }
.flash-title h2 { color: #fff; margin: 0 0 4px; font-size: clamp(22px, 2.8vw, 32px); font-weight: 800; letter-spacing: .01em; }
.flash-title p { color: rgba(255, 255, 255, .82); margin: 0; font-size: 14px; }
.flash-count { display: flex; align-items: center; gap: 10px; margin-bottom: 4px; white-space: nowrap; }
.count-item {
  display: flex; flex-direction: column; align-items: center; gap: 4px;
}
.count-item em { font-style: normal; font-size: 13px; opacity: .75; }
.count-num {
  font-size: 28px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  background: rgba(255,255,255,.16);
  border: 1px solid rgba(255,255,255,.22);
  min-width: 62px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  padding: 0 10px;
  letter-spacing: .06em;
}
.count-colon { font-size: 28px; font-weight: 700; padding-bottom: 17px; }
.flash-btn { height: 48px; border-radius: 10px; padding: 0 28px; background: #fff; color: var(--warm-dark); border: 0; font-weight: 700; display: inline-flex; align-items: center; gap: 8px; box-shadow: 0 10px 24px rgba(69, 20, 0, .15); }
.flash-btn:hover { transform: translateY(-2px); background: #fff4ef; color: #a83e0f; }

.news-section { padding-bottom: 56px; }
.news-fallback {
  background: var(--card-bg);
  border: 1px dashed #C8D9E6;
  border-radius: 14px;
  padding: 42px;
  text-align: center;
  color: var(--text-mute);
  font-size: 15px;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  gap: 10px;
}
.news-fallback i { color: var(--brand); opacity: .7; font-size: 26px; }
.news-major {
  display: flex;
  flex-direction: column;
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  height: 100%;
  color: inherit;
  transition: transform .25s ease, box-shadow .25s ease;
}
.news-major:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); color: inherit; }
.news-major .major-thumb { position: relative; overflow: hidden; height: 218px; background: var(--brand-soft); display: block; }
.news-major .major-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.news-major:hover .major-thumb img { transform: scale(1.04); }
.news-major .major-body { padding: 24px; display: flex; flex-direction: column; flex: 1; }
.news-cat {
  display: inline-flex;
  align-items: center;
  background: rgba(29, 108, 179, .1);
  color: var(--brand);
  padding: 4px 10px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 600;
  align-self: flex-start;
  margin-bottom: 12px;
}
.news-major .major-title { font-size: 20px; font-weight: 700; line-height: 1.5; margin: 0 0 10px; color: var(--text-main); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-major .major-desc { color: var(--text-sub); font-size: 14px; line-height: 1.8; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 18px; }
.news-major .major-meta { margin-top: auto; color: var(--text-mute); font-size: 13px; display: flex; gap: 14px; align-items: center; }
.news-major .major-meta i { margin-right: 4px; }
.news-list-col { background: var(--card-bg); border: 1px solid var(--line); border-radius: var(--radius-lg); box-shadow: var(--shadow); padding: 22px; height: 100%; }
.news-row { display: flex; gap: 16px; padding: 13px 0; border-bottom: 1px solid #EDF2F7; transition: background .2s ease; align-items: center; }
.news-row:first-child { padding-top: 4px; }
.news-row:last-child { border-bottom: 0; padding-bottom: 4px; }
.news-row:hover .row-title { color: var(--brand); }
.news-row:hover .row-thumb img { transform: scale(1.05); }
.news-row .row-thumb {
  flex: 0 0 auto;
  width: 118px;
  height: 84px;
  border-radius: 10px;
  overflow: hidden;
  background: var(--brand-soft);
  position: relative;
}
.news-row .row-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.news-row .row-content { display: block; min-width: 0; }
.row-cat { font-size: 12px; color: var(--text-mute); display: flex; align-items: center; gap: 6px; margin-bottom: 4px; }
.row-title { display: block; font-weight: 600; color: var(--text-main); font-size: 15px; line-height: 1.5; margin-bottom: 5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; transition: color .2s ease; }
.row-time { font-size: 12px; color: var(--text-mute); display: inline-flex; align-items: center; gap: 5px; }

.consult-section { padding-bottom: 56px; }
.consult-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: clamp(22px, 3vw, 36px);
  height: 100%;
}
.consult-card .form-label { font-size: 14px; color: var(--text-sub); font-weight: 500; margin-bottom: 7px; display: block; }
.consult-card .form-label span { color: #b0282a; margin-left: 2px; }
.form-control,
.form-select {
  height: 44px;
  border: 1px solid #D4E0E9;
  border-radius: 9px;
  background: #fff;
  font-size: 15px;
  color: var(--text-main);
  padding: 0 14px;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.form-control:focus,
.form-select:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(29, 108, 179, .12);
  background: #fff;
  color: var(--text-main);
}
textarea.form-control { padding-top: 12px; height: 120px; resize: vertical; }
.custom-select { position: relative; }
.custom-select::after { content: "\f078"; font-family: "Font Awesome 6 Free"; font-weight: 900; position: absolute; right: 16px; top: 50%; transform: translateY(-50%); color: var(--text-mute); font-size: 13px; pointer-events: none; }
.custom-select select { appearance: none; -webkit-appearance: none; padding-right: 36px; cursor: pointer; }
.form-privacy { margin-top: 12px; font-size: 13px; color: var(--text-mute); display: flex; gap: 7px; align-items: flex-start; }
.form-privacy i { color: var(--brand); margin-top: 4px; }
.btn-submit { background: var(--brand); height: 46px; min-width: 180px; color: #fff; border-radius: 9px; border: 0; font-size: 15px; font-weight: 600; padding: 0 28px; margin-top: 18px; transition: all .25s ease; display: inline-flex; align-items: center; justify-content: center; }
.btn-submit:hover { background: var(--brand-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 10px 24px rgba(29, 108, 179, .24); }
.contact-card { background: var(--card-bg); border: 1px solid var(--line); border-radius: var(--radius-lg); box-shadow: var(--shadow); padding: clamp(22px, 3vw, 34px); height: 100%; display: flex; flex-direction: column; justify-content: space-between; }
.contact-item { display: flex; gap: 14px; padding: 20px 0; border-bottom: 1px solid #EDF2F7; }
.contact-item:first-child { padding-top: 0; }
.contact-item:last-child { border-bottom: 0; padding-bottom: 0; }
.contact-icon {
  flex: 0 0 auto;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--brand-soft);
  color: var(--brand);
  font-size: 17px;
}
.contact-item h4 { font-size: 15px; font-weight: 700; margin-bottom: 5px; }
.contact-item p { font-size: 14px; color: var(--text-sub); margin: 0; line-height: 1.7; }
.contact-item .time-num { font-size: 19px; font-weight: 700; color: var(--text-main); display: block; }
.contact-note { background: var(--body-bg); border-radius: 13px; padding: 16px 18px; font-size: 13px; color: var(--text-mute); margin-top: 24px; display: flex; gap: 10px; }
.contact-note i { color: var(--brand); }

.faq-section { padding-bottom: 56px; }
.faq-cell .accordion-item { background: #fff; border: 1px solid var(--line); border-radius: 13px !important; margin-bottom: 12px; overflow: hidden; box-shadow: 0 4px 14px rgba(26, 73, 110, .04); }
.faq-cell .accordion-item:last-child { margin-bottom: 0; }
.faq-cell .accordion-button {
  background: #fff;
  color: var(--text-main);
  font-weight: 600;
  font-size: 15px;
  padding: 17px 20px;
  box-shadow: none;
  border: 0;
  border-radius: 0;
}
.faq-cell .accordion-button::after { content: "+"; background: none; font-family: "Font Awesome 6 Free"; font-weight: 900; color: var(--brand); font-size: 18px; width: 24px; background-image: none; transform: rotate(0deg); transition: transform .25s ease; }
.faq-cell .accordion-button:not(.collapsed)::after { transform: rotate(135deg); }
.faq-cell .accordion-button:not(.collapsed) { background: var(--brand-soft); color: var(--brand-dark); }
.faq-cell .accordion-button:focus { box-shadow: 0 0 0 3px rgba(29, 108, 179, .12); }
.faq-cell .accordion-body { background: #fff; color: var(--text-sub); font-size: 14px; line-height: 1.9; padding: 4px 20px 20px; border-radius: 0 0 13px 13px; }
.faq-cell .accordion-button:not(.collapsed) + .accordion-collapse .accordion-body { background: var(--brand-soft); border-radius: 0; }
.faq-cell .accordion-collapse.collapsing,
.faq-cell .accordion-collapse.show { background: var(--brand-soft); }

.footer {
  background: var(--nav-bg);
  color: rgba(255, 255, 255, .78);
  margin-top: auto;
  border-radius: 26px 26px 0 0;
}
.footer-top { padding: 42px clamp(20px, 4vw, 64px) 20px; }
.footer-brand { display: flex; align-items: center; gap: 10px; color: #fff; font-weight: 700; font-size: 17px; margin-bottom: 14px; }
.footer-brand .brand-mark { width: 32px; height: 32px; font-size: 15px; }
.footer-desc { font-size: 13px; line-height: 1.9; color: rgba(255, 255, 255, .6); margin-bottom: 20px; max-width: 410px; }
.footer-title { color: #fff; font-size: 15px; font-weight: 700; margin-bottom: 10px; }
.footer-link-list { list-style: none; padding: 0; margin: 0; }
.footer-link-list li { margin-bottom: 7px; }
.footer-link-list a { color: rgba(255, 255, 255, .65); font-size: 13px; display: inline-flex; align-items: center; gap: 6px; }
.footer-link-list a i { font-size: 11px; }
.footer-link-list a:hover { color: #fff; transform: translateX(2px); }
.footer-info p { font-size: 13px; color: rgba(255, 255, 255, .65); margin-bottom: 6px; display: flex; gap: 8px; align-items: center; }
.footer-info p i { color: #6db2e2; }
.footer-divider { border-top: 1px solid rgba(255, 255, 255, .1); margin: 20px 0 0; }
.footer-bottom { padding: 15px clamp(20px, 4vw, 64px); display: flex; flex-wrap: wrap; justify-content: space-between; color: rgba(255, 255, 255, .4); font-size: 12px; line-height: 2; gap: 8px; }
.footer-bottom a { color: rgba(255, 255, 255, .55); }
.footer-bottom a:hover { color: #fff; }

@media (min-width: 992px) {
  .mobile-topbar { display: none !important; }
  .nav-overlay { display: none !important; }
}
@media (max-width: 1199.98px) and (min-width: 992px) {
  .side-nav { width: 84px; }
  .main-area { margin-left: 84px; }
  .side-brand { justify-content: center; padding: 0; }
  .side-brand .brand-name { display: none; }
  .menu-label { text-align: center; padding-left: 0; padding-right: 0; font-size: 11px; }
  .menu-link { justify-content: flex-start; padding: 0 23px; }
  .menu-link .menu-text { display: none; }
  .side-foot { display: none; }
  .side-menu { padding-bottom: 20px; }
}
@media (max-width: 991.98px) {
  .side-nav { transform: translateX(-100%); width: 290px; }
  body:not(.nav-open) .side-nav { box-shadow: none; }
  .main-area { margin-left: 0; }
  .mobile-topbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1030;
    display: flex;
    height: 64px;
    background: var(--nav-bg);
    align-items: center;
    padding: 0 16px;
  }
  .main-area { padding-top: 64px; }
  .burger-btn {
    width: 38px;
    height: 38px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    border: 0;
    background: rgba(255, 255, 255, .08);
    color: #fff;
    font-size: 18px;
  }
  .burger-btn:hover { background: rgba(255, 255, 255, .16); }
  .mobile-brandbox { position: absolute; left: 50%; transform: translateX(-50%); display: flex; align-items: center; gap: 8px; color: #fff; font-weight: 600; font-size: 16px; white-space: nowrap; }
  .mobile-brandbox .mini-mark { width: 28px; height: 28px; border-radius: 8px; background: var(--brand); display: flex; align-items: center; justify-content: center; font-size: 14px; color: #fff; }
  .mobile-cta {
    margin-left: auto;
    height: 32px;
    background: var(--brand);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 20px;
    padding: 0 12px;
    font-size: 12px;
  }
  .page-view { padding-top: 20px; }
  .section-head { align-items: flex-start; }
}
@media (max-width: 767.98px) {
  .toolbar-crumb { font-size: 13px; }
  .toolbar-search { display: none; }
  .hero-zone { min-height: 0; padding: 24px 20px; }
  .hero-title { font-size: 26px; }
  .hero-actions { margin-bottom: 28px; }
  .hero-stats { gap: 16px; flex-wrap: nowrap; align-items: flex-start; }
  .hero-stat strong { font-size: 16px; }
  .promo-stage .grid-outer { grid-template-columns: 1fr; }
  .main-step-card { min-height: auto; }
  .step-stack { gap: 18px; }
  .lv3-step { margin-left: 0; }
  .compare-grid { grid-template-columns: 1fr; }
  .compare-card .plan-name { font-size: 18px; }
  .flash-inner { flex-direction: column; align-items: flex-start; }
  .flash-count { white-space: normal; }
  .count-num { font-size: 24px; min-width: 50px; height: 42px; }
  .news-row .row-thumb { width: 94px; height: 72px; }
  .consult-card .btn-submit { width: 100%; }
  .contact-card { margin-top: 20px; }
  .footer-left, .footer-right { text-align: left; justify-content: flex-start; }
}
@media (max-width: 575.98px) {
  .page-view { padding: 16px 12px 48px; }
  .hero-zone { padding: 20px 16px; border-radius: 16px; }
  .btn { width: 100%; }
  .hero-actions { flex-direction: column; }
  .trigger-btn { width: 100%; }
  .toolbar-right { flex: 0 0 auto; margin-left: auto; }
  .toolbar-service { display: none; }
  .section-head h2 { font-size: 24px; }
  .section-head .section-note { font-size: 12px; }
  .news-row { gap: 12px; }
  .news-row .row-thumb { width: 82px; height: 66px; }
  .count-num { font-size: 21px; min-width: 44px; height: 38px; }
  .count-colon { font-size: 24px; }
  .footer-top { padding-left: 22px; padding-right: 22px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .hero-stat span { font-size: 12px; }
  .mobile-brandbox { font-size: 14px; }
  .mobile-brandbox .brand-name-pc { display: none; }
}

/* roulang page: article */
:root {
            --primary: #1D6CB3;
            --primary-dark: #155A90;
            --navy: #102B42;
            --body-bg: #F3F7FB;
            --card-bg: #FFFFFF;
            --text: #1F3448;
            --text-muted: #5A6E80;
            --text-faint: #8A9BA9;
            --line: #E3ECF3;
            --soft: #EAF2F9;
            --orange: #F06A2B;
            --success: #1E9E83;
            --radius-lg: 16px;
            --radius-md: 10px;
            --radius-sm: 8px;
            --shadow-card: 0 10px 30px rgba(26, 73, 110, 0.08);
            --shadow-hover: 0 16px 36px rgba(26, 73, 110, 0.13);
            --font-stack: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            font-family: var(--font-stack);
            background: var(--body-bg);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        img {
            max-width: 100%;
        }
        h1,
        h2,
        h3,
        h4,
        h5 {
            font-weight: 700;
            color: var(--text);
            letter-spacing: -0.01em;
        }
        p {
            color: var(--text);
        }

        .site-shell {
            display: flex;
            min-height: 100vh;
        }

        .sidebar {
            width: 280px;
            background: var(--navy);
            position: fixed;
            top: 0;
            bottom: 0;
            left: 0;
            z-index: 1050;
            display: flex;
            flex-direction: column;
            overflow-y: auto;
        }

        .sidebar-brand {
            min-height: 96px;
            padding: 22px 24px;
            display: flex;
            align-items: center;
            gap: 12px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            background: rgba(255, 255, 255, 0.02);
        }
        .brand-mark {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 17px;
            flex: 0 0 auto;
        }
        .brand-text {
            color: #ffffff;
            font-size: 17px;
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: 0.01em;
        }

        .side-menu {
            padding: 20px 14px;
            flex: 1;
        }
        .menu-label {
            padding: 4px 14px 10px;
            font-size: 12px;
            letter-spacing: 0.08em;
            color: rgba(183, 201, 216, 0.7);
            text-transform: uppercase;
        }
        .side-menu .menu-link {
            display: flex;
            align-items: center;
            gap: 12px;
            height: 46px;
            padding: 0 14px;
            margin-bottom: 4px;
            border-radius: var(--radius-md);
            color: #B7C9D8;
            font-size: 15px;
            font-weight: 500;
            position: relative;
            transition: background 0.22s ease, color 0.22s ease;
        }
        .side-menu .menu-link i {
            width: 20px;
            text-align: center;
            font-size: 16px;
            flex: 0 0 auto;
        }
        .side-menu .menu-link:hover {
            background: rgba(255, 255, 255, 0.06);
            color: #ffffff;
        }
        .side-menu .menu-link.active {
            background: rgba(255, 255, 255, 0.08);
            color: #ffffff;
        }
        .side-menu .menu-link.active::before {
            content: "";
            position: absolute;
            left: 0;
            top: 10px;
            bottom: 10px;
            width: 4px;
            border-radius: 0 4px 4px 0;
            background: var(--primary);
        }

        .sidebar-meta {
            padding: 18px 24px 22px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 13px;
            color: rgba(183, 201, 216, 0.6);
        }
        .sidebar-meta p {
            margin-bottom: 6px;
            color: rgba(183, 201, 216, 0.68);
        }
        .sidebar-meta i {
            width: 18px;
            color: rgba(255, 255, 255, 0.55);
        }

        .main-area {
            margin-left: 280px;
            width: calc(100% - 280px);
            display: flex;
            flex-direction: column;
            min-height: 100vh;
            background: var(--body-bg);
        }
        .main-content {
            flex: 1;
        }

        .content-container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 40px;
            padding-right: 40px;
        }

        .content-topbar {
            position: sticky;
            top: 0;
            z-index: 1035;
            background: #ffffff;
            border-bottom: 1px solid var(--line);
        }
        .topbar-row {
            min-height: 60px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: #fff;
        }
        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
            min-width: 0;
            flex-wrap: nowrap;
        }
        .breadcrumb-nav a {
            color: var(--primary);
            white-space: nowrap;
        }
        .breadcrumb-nav a:hover {
            color: var(--primary-dark);
        }
        .breadcrumb-nav .crumb-current {
            color: var(--text-muted);
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            max-width: 320px;
        }
        .breadcrumb-nav i {
            font-size: 12px;
            color: var(--text-faint);
        }
        .topbar-entry {
            flex: 0 0 auto;
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .topbar-entry a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            background: var(--soft);
            padding: 8px 18px;
            border-radius: 999px;
            transition: background 0.2s ease, color 0.2s ease;
        }
        .topbar-entry a:hover {
            background: rgba(29, 108, 179, 0.12);
            color: var(--primary-dark);
        }

        .mobile-topbar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 64px;
            z-index: 1060;
            background: var(--navy);
            align-items: center;
            justify-content: space-between;
            padding: 0 14px;
            box-shadow: 0 8px 24px rgba(16, 43, 66, 0.18);
        }
        .mobile-menu-btn {
            width: 44px;
            height: 44px;
            background: rgba(255, 255, 255, 0.08);
            border: none;
            border-radius: 10px;
            color: #fff;
            font-size: 19px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            transition: background 0.2s ease;
        }
        .mobile-menu-btn:hover {
            background: rgba(255, 255, 255, 0.16);
        }
        .mobile-brand {
            display: flex;
            align-items: center;
            gap: 9px;
            font-size: 17px;
            font-weight: 600;
            color: #ffffff;
            letter-spacing: 0.02em;
        }
        .mobile-brand i {
            color: #ffffff;
            font-size: 18px;
        }
        .mobile-consult {
            width: 44px;
            height: 44px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 10px;
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 17px;
        }
        .sidebar-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(16, 43, 66, 0.55);
            z-index: 1045;
        }

        .page-main {
            padding: 34px 0 46px;
        }

        .article-panel {
            background: var(--card-bg);
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: clamp(26px, 4.5vw, 58px);
            margin-bottom: 40px;
        }
        .article-inner {
            max-width: 760px;
            margin: 0 auto;
        }

        .article-meta-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--primary);
            background: rgba(29, 108, 179, 0.1);
            padding: 6px 14px;
            border-radius: 999px;
            font-weight: 600;
            margin-bottom: 18px;
        }
        .article-panel h1 {
            font-size: clamp(28px, 4vw, 40px);
            line-height: 1.32;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 18px;
        }
        .article-meta-line {
            display: flex;
            flex-wrap: wrap;
            gap: 10px 24px;
            font-size: 14px;
            color: var(--text-muted);
            border-bottom: 1px solid var(--line);
            padding-bottom: 18px;
            margin-bottom: 28px;
        }
        .article-meta-line span {
            display: inline-flex;
            align-items: center;
            gap: 7px;
        }
        .article-meta-line i {
            color: var(--primary);
            font-size: 14px;
        }

        .article-body {
            font-size: 16px;
            line-height: 1.9;
            color: #263A4E;
            word-break: break-word;
        }
        .article-body p {
            margin-bottom: 20px;
            line-height: 1.85;
            color: #263A4E;
        }
        .article-body h2 {
            font-size: 24px;
            line-height: 1.35;
            margin: 42px 0 18px;
            border-left: 4px solid var(--primary);
            padding-left: 16px;
            color: var(--text);
        }
        .article-body h3 {
            font-size: 20px;
            margin: 32px 0 14px;
            color: var(--text);
        }
        .article-body img {
            border-radius: 14px;
            margin: 22px 0;
            width: auto;
            max-width: 100%;
            height: auto;
        }
        .article-body ul,
        .article-body ol {
            padding-left: 22px;
            margin: 0 0 20px;
        }
        .article-body li {
            margin-bottom: 8px;
            line-height: 1.8;
        }
        .article-body blockquote {
            background: var(--soft);
            border-radius: var(--radius-md);
            padding: 18px 22px;
            border-left: 4px solid var(--primary);
            margin: 24px 0;
            color: var(--text-muted);
        }
        .article-body blockquote p {
            margin: 0;
            color: var(--text-muted);
        }
        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: 15px;
        }
        .article-body th {
            background: var(--soft);
            font-weight: 600;
            padding: 12px 14px;
            text-align: left;
        }
        .article-body td {
            padding: 10px 14px;
            border-bottom: 1px solid var(--line);
        }
        .article-body a {
            color: var(--primary);
            border-bottom: 1px solid rgba(29, 108, 179, 0.3);
        }
        .article-body a:hover {
            color: var(--primary-dark);
        }

        .return-top {
            margin-top: 42px;
            text-align: center;
        }
        .btn-return-top {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: 1px solid var(--line);
            background: #fff;
            color: var(--text-muted);
            font-size: 14px;
            font-weight: 600;
            height: 44px;
            padding: 0 22px;
            border-radius: 999px;
            transition: all 0.22s ease;
        }
        .btn-return-top:hover {
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-card);
        }

        .article-empty-panel {
            background: var(--card-bg);
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: 80px 24px;
            text-align: center;
        }
        .article-empty-panel i {
            font-size: 48px;
            color: var(--text-faint);
            margin-bottom: 16px;
        }
        .article-empty-panel h2 {
            font-size: 26px;
            color: var(--text);
            margin-bottom: 12px;
        }
        .article-empty-panel p {
            color: var(--text-muted);
            margin-bottom: 24px;
        }

        .btn-leiray {
            background: var(--primary);
            border: none;
            color: #ffffff;
            height: 46px;
            padding: 0 26px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            transition: all 0.22s ease;
        }
        .btn-leiray:hover {
            background: var(--primary-dark);
            color: #ffffff;
            transform: translateY(-2px);
            box-shadow: 0 10px 20px rgba(29, 108, 179, 0.22);
        }

        .section-block {
            margin-bottom: 42px;
        }
        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 16px;
            margin-bottom: 24px;
        }
        .section-title-wrap h2 {
            font-size: clamp(22px, 2.4vw, 30px);
            font-weight: 700;
            margin: 0;
            color: var(--text);
            border-left: 4px solid var(--primary);
            padding-left: 16px;
            line-height: 1.3;
        }
        .section-title-wrap .section-sub {
            color: var(--text-muted);
            font-size: 14px;
            margin-top: 8px;
        }

        .related-card {
            display: flex;
            gap: 14px;
            background: #fff;
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: 14px;
            height: 100%;
            transition: box-shadow 0.25s ease, transform 0.25s ease;
        }
        .related-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .related-thumb {
            width: 110px;
            height: 110px;
            border-radius: var(--radius-md);
            object-fit: cover;
            flex: 0 0 auto;
            background: var(--soft);
        }
        .related-content {
            min-width: 0;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .related-content h3 {
            font-size: 16px;
            line-height: 1.5;
            font-weight: 600;
            color: var(--text);
            overflow: hidden;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            margin: 0;
        }
        .related-content p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
            margin: 0;
            overflow: hidden;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
        }
        .related-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 8px;
            margin-top: auto;
        }
        .category-badge {
            display: inline-flex;
            align-items: center;
            padding: 4px 10px;
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            background: rgba(29, 108, 179, 0.1);
            border-radius: 999px;
            white-space: nowrap;
        }
        .related-meta span {
            font-size: 12px;
            color: var(--text-faint);
            white-space: nowrap;
        }

        .btn-back-list {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            border: 1.5px solid var(--primary);
            color: var(--primary);
            font-size: 14px;
            font-weight: 600;
            height: 44px;
            padding: 0 22px;
            border-radius: var(--radius-sm);
            transition: all 0.22s ease;
        }
        .btn-back-list:hover {
            background: rgba(29, 108, 179, 0.06);
            color: var(--primary-dark);
            transform: translateY(-2px);
        }
        .related-empty {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: 54px 24px;
            text-align: center;
            color: var(--text-muted);
            font-size: 15px;
        }
        .related-empty i {
            font-size: 38px;
            color: var(--text-faint);
            margin-bottom: 14px;
        }

        .consult-band {
            background: #ffffff;
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: clamp(24px, 3.5vw, 40px);
            margin: 32px 0 46px;
        }
        .consult-band .inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }
        .consult-copy h2 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .consult-copy p {
            margin: 0;
            color: var(--text-muted);
            font-size: 15px;
        }
        .consult-copy p i {
            color: var(--primary);
            margin-right: 6px;
        }

        .footer {
            background: #0C2236;
            color: rgba(255, 255, 255, 0.85);
            padding: 64px 0 28px;
            position: relative;
            z-index: 2;
            font-size: 14px;
        }
        .footer-top {
            margin-bottom: 34px;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            color: #ffffff;
            font-size: 21px;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .footer-brand .brand-mark {
            width: 40px;
            height: 40px;
            border-radius: 11px;
            background: rgba(255, 255, 255, 0.12);
            color: #ffffff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
        }
        .footer-desc {
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.8;
            max-width: 520px;
            margin-bottom: 18px;
        }
        .footer-title {
            color: #ffffff;
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 18px;
            letter-spacing: 0.02em;
        }
        .footer-link-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-link-list li {
            margin-bottom: 10px;
        }
        .footer-link-list a {
            color: rgba(255, 255, 255, 0.58);
            transition: all 0.2s ease;
        }
        .footer-link-list a:hover {
            color: #ffffff;
            padding-left: 4px;
        }
        .footer-link-list i {
            font-size: 11px;
            color: var(--primary);
            width: 18px;
            display: inline-block;
        }
        .footer-info p {
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 12px;
        }
        .footer-info i {
            color: var(--primary);
            width: 22px;
            margin-right: 4px;
        }
        .footer-divider {
            height: 1px;
            background: rgba(255, 255, 255, 0.08);
            margin-bottom: 22px;
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 8px 20px;
            color: rgba(255, 255, 255, 0.45);
            font-size: 13px;
        }

        @media (min-width: 992px) and (max-width: 1199.98px) {
            .sidebar {
                width: 84px;
            }
            .main-area {
                margin-left: 84px;
                width: calc(100% - 84px);
            }
            .sidebar-brand {
                padding: 18px 0;
                justify-content: center;
            }
            .sidebar-brand .brand-text,
            .menu-label,
            .menu-text,
            .sidebar-meta {
                display: none;
            }
            .side-menu {
                padding: 16px 10px;
            }
            .side-menu .menu-link {
                height: 46px;
                padding: 0;
                justify-content: center;
                margin: 0 0 6px;
                border-radius: 10px;
            }
            .side-menu .menu-link.active::before {
                left: -6px;
                right: auto;
            }
            .content-container {
                padding-left: 32px;
                padding-right: 32px;
            }
        }

        @media (max-width: 991.98px) {
            .site-shell {
                display: block;
            }
            .sidebar {
                width: 280px;
                transform: translateX(-100%);
                transition: transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
            }
            body.nav-open .sidebar {
                transform: translateX(0);
            }
            body.nav-open .sidebar-overlay {
                display: block;
            }
            .mobile-topbar {
                display: flex;
            }
            .main-area {
                margin-left: 0;
                width: 100%;
                padding-top: 64px;
            }
            .content-topbar {
                display: none;
            }
            .content-container {
                padding-left: 24px;
                padding-right: 24px;
            }
            .page-main {
                padding: 30px 0 36px;
            }
        }

        @media (max-width: 767.98px) {
            .page-main {
                padding: 22px 0 34px;
            }
            .content-container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .article-panel {
                padding: 24px 18px;
                border-radius: 14px;
                margin-bottom: 30px;
            }
            .section-head {
                align-items: flex-start;
                flex-direction: column;
            }
            .related-card {
                align-items: stretch;
            }
            .related-thumb {
                width: 96px;
                height: 96px;
            }
            .consult-band .inner {
                flex-direction: column;
                align-items: flex-start;
            }
            .consult-copy {
                width: 100%;
            }
            .consult-band .btn-leiray {
                width: 100%;
            }
            .topbar-row {
                padding-left: 16px;
                padding-right: 16px;
            }
            .footer-bottom {
                flex-direction: column;
            }
        }

        @media (max-width: 575.98px) {
            .article-panel h1 {
                font-size: 26px;
            }
            .article-body {
                font-size: 15px;
            }
            .article-body h2 {
                font-size: 21px;
            }
            .article-body h3 {
                font-size: 18px;
            }
            .related-footer {
                text-align: center;
            }
            .btn-back-list {
                width: 100%;
                justify-content: center;
            }
        }

/* roulang page: category1 */
:root {
      --brand: #1D6CB3;
      --brand-dark: #155A90;
      --ink: #1F3448;
      --muted: #5A6E80;
      --faint: #8A9BA9;
      --line: #E3ECF3;
      --bg-page: #F3F7FB;
      --light-block: #EAF2F9;
      --navy: #102B42;
      --navy-soft: #B7C9D8;
      --accent: #F06A2B;
      --accent-dark: #C8501B;
      --ok: #1E9E83;
      --radius-lg: 16px;
      --radius-md: 10px;
      --radius-btn: 8px;
      --card-shadow: 0 10px 30px rgba(26, 73, 110, 0.08);
      --card-shadow-hover: 0 16px 36px rgba(26, 73, 110, 0.13);
      --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      background: var(--bg-page);
      color: var(--ink);
      font-family: var(--font-main);
      line-height: 1.75;
      -webkit-text-size-adjust: 100%;
    }

    ul, ol {
      margin: 0;
      padding: 0;
    }

    a {
      color: inherit;
      text-decoration: none;
    }

    img {
      max-width: 100%;
      height: auto;
    }

    button,
    input,
    select,
    textarea {
      font: inherit;
    }

    button:focus-visible,
    a:focus-visible,
    input:focus-visible,
    select:focus-visible,
    textarea:focus-visible {
      outline: 2px solid rgba(29, 108, 179, 0.45);
      outline-offset: 2px;
    }

    .btn {
      border-radius: var(--radius-btn);
    }

    .btn-brand {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 46px;
      padding: 0 24px;
      background: var(--brand);
      border: 1px solid var(--brand);
      color: #fff;
      border-radius: var(--radius-btn);
      font-weight: 600;
      line-height: 1;
      transition: all .25s ease;
      box-shadow: 0 6px 18px rgba(29, 108, 179, 0.18);
    }

    .btn-brand:hover,
    .btn-brand:focus {
      background: var(--brand-dark);
      border-color: var(--brand-dark);
      color: #fff;
      transform: translateY(-2px);
    }

    .btn-outline-brand {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 46px;
      padding: 0 24px;
      background: transparent;
      border: 1.5px solid var(--brand);
      color: var(--brand);
      border-radius: var(--radius-btn);
      font-weight: 600;
      transition: all .25s ease;
    }

    .btn-outline-brand:hover,
    .btn-outline-brand:focus {
      background: rgba(29, 108, 179, 0.06);
      color: var(--brand-dark);
      transform: translateY(-2px);
    }

    .btn-light-outline {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 46px;
      padding: 0 24px;
      background: rgba(255, 255, 255, 0.08);
      border: 1.5px solid rgba(255, 255, 255, 0.8);
      color: #fff;
      border-radius: var(--radius-btn);
      font-weight: 600;
      transition: all .25s ease;
    }

    .btn-light-outline:hover,
    .btn-light-outline:focus {
      background: rgba(255, 255, 255, 0.16);
      border-color: #fff;
      color: #fff;
    }

    .brand-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      color: #fff;
    }

    .brand-icon {
      width: 42px;
      height: 42px;
      flex: 0 0 42px;
      border-radius: 12px;
      background: linear-gradient(135deg, var(--brand), #2B89D4);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 19px;
      box-shadow: 0 6px 14px rgba(29, 108, 179, 0.3);
    }

    .brand-copy {
      display: flex;
      flex-direction: column;
      line-height: 1.25;
      min-width: 0;
    }

    .brand-copy strong {
      font-size: 17px;
      font-weight: 700;
      color: #fff;
      white-space: nowrap;
      letter-spacing: .3px;
    }

    .brand-copy small {
      font-size: 11px;
      color: var(--navy-soft);
      margin-top: 4px;
      letter-spacing: .4px;
    }

    .layout-root {
      min-height: 100vh;
    }

    .sidebar {
      position: fixed;
      top: 0;
      left: 0;
      bottom: 0;
      width: 280px;
      background: var(--navy);
      z-index: 1045;
      display: flex;
      flex-direction: column;
      overflow-y: auto;
      color: var(--navy-soft);
    }

    .sidebar-brand-wrap {
      height: 96px;
      padding: 0 24px;
      display: flex;
      align-items: center;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      flex: 0 0 96px;
    }

    .side-menu {
      padding: 18px 14px 20px;
      display: flex;
      flex-direction: column;
      gap: 2px;
    }

    .menu-label {
      font-size: 12px;
      color: #708CA1;
      letter-spacing: 1px;
      padding: 10px 14px 6px;
      text-transform: none;
    }

    .menu-link {
      position: relative;
      display: flex;
      align-items: center;
      gap: 12px;
      height: 48px;
      padding: 0 14px;
      border-radius: 10px;
      color: var(--navy-soft);
      font-size: 15px;
      font-weight: 500;
      transition: all .2s ease;
    }

    .menu-link i {
      width: 20px;
      text-align: center;
      font-size: 16px;
      color: #93A9B9;
      transition: color .2s ease;
    }

    .menu-link:hover {
      background: rgba(255, 255, 255, 0.06);
      color: #fff;
    }

    .menu-link:hover i {
      color: #fff;
    }

    .menu-link.active {
      background: rgba(255, 255, 255, 0.08);
      color: #fff;
      font-weight: 600;
    }

    .menu-link.active::before {
      content: "";
      position: absolute;
      left: 0;
      top: 12px;
      bottom: 12px;
      width: 4px;
      border-radius: 0 4px 4px 0;
      background: var(--brand);
    }

    .menu-link.active i {
      color: #fff;
    }

    .menu-text {
      white-space: nowrap;
    }

    .sidebar-foot {
      margin-top: auto;
      padding: 20px 24px 24px;
      border-top: 1px solid rgba(255, 255, 255, 0.07);
      font-size: 12px;
      line-height: 1.8;
      color: #7790A2;
    }

    .sidebar-foot p {
      margin: 0 0 2px;
    }

    .mobile-topbar {
      display: none;
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      height: 64px;
      align-items: center;
      justify-content: space-between;
      padding: 0 14px;
      background: var(--navy);
      z-index: 1035;
      box-shadow: 0 6px 18px rgba(16, 43, 66, 0.18);
    }

    .mobile-logo {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: #fff;
      font-size: 17px;
      font-weight: 600;
      letter-spacing: .3px;
    }

    .mobile-toggle {
      width: 40px;
      height: 40px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border: 0;
      border-radius: 8px;
      background: rgba(255, 255, 255, 0.08);
      color: #fff;
      font-size: 17px;
    }

    .mobile-toggle:hover {
      background: rgba(255, 255, 255, 0.16);
    }

    .mobile-help {
      width: 40px;
      height: 40px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 50%;
      background: rgba(255, 255, 255, 0.08);
      color: #fff;
      font-size: 16px;
    }

    .sidebar-mask {
      display: none;
      position: fixed;
      inset: 0;
      background: rgba(6, 20, 32, 0.55);
      z-index: 1040;
    }

    .sidebar-mask.show {
      display: block;
    }

    .main-shell {
      margin-left: 280px;
      min-height: 100vh;
      display: flex;
      flex-direction: column;
      overflow-x: hidden;
    }

    .page-topbar {
      height: 44px;
      background: #fff;
      border-bottom: 1px solid var(--line);
      display: flex;
      align-items: center;
      position: sticky;
      top: 0;
      z-index: 1020;
    }

    .topbar-inner {
      width: 100%;
      max-width: 1420px;
      margin: 0 auto;
      padding: 0 36px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
    }

    .topbar-title {
      font-size: 13px;
      color: var(--muted);
      white-space: nowrap;
    }

    .topbar-title strong {
      color: var(--brand);
      font-weight: 600;
    }

    .topbar-right {
      display: flex;
      align-items: center;
      gap: 14px;
    }

    .topbar-search {
      width: 230px;
      height: 30px;
      display: flex;
      align-items: center;
      background: var(--bg-page);
      border: 1px solid var(--line);
      border-radius: 40px;
      padding: 0 10px;
      color: var(--faint);
    }

    .topbar-search input {
      flex: 1;
      min-width: 0;
      background: transparent;
      border: 0;
      box-shadow: none;
      outline: none;
      font-size: 13px;
      color: var(--ink);
      padding: 0 6px;
    }

    .topbar-search input::placeholder {
      color: var(--faint);
    }

    .topbar-link {
      font-size: 13px;
      color: var(--brand);
      font-weight: 600;
      white-space: nowrap;
      transition: color .2s;
    }

    .topbar-link:hover {
      color: var(--brand-dark);
    }

    .main-content {
      flex: 1;
      padding: 28px 34px 56px;
    }

    .content-wrap {
      max-width: 1320px;
      margin: 0 auto;
    }

    .channel-banner {
      position: relative;
      border-radius: 22px;
      padding: 48px 48px;
      min-height: 320px;
      overflow: hidden;
      display: flex;
      align-items: center;
      background:
        linear-gradient(96deg, rgba(16, 43, 66, 0.95) 10%, rgba(16, 43, 66, 0.82) 48%, rgba(16, 43, 66, 0.28) 100%),
        url("/assets/images/backpic/back-2.webp") no-repeat center center/cover;
      color: #fff;
      margin-bottom: 32px;
    }

    .channel-banner::before {
      content: "";
      position: absolute;
      right: -80px;
      top: -80px;
      width: 300px;
      height: 300px;
      background: rgba(29, 108, 179, 0.28);
      filter: blur(18px);
      border-radius: 50%;
      pointer-events: none;
    }

    .banner-content {
      position: relative;
      z-index: 2;
      max-width: 700px;
    }

    .banner-breadcrumb {
      font-size: 13px;
      color: rgba(255, 255, 255, 0.72);
      margin-bottom: 18px;
      display: flex;
      gap: 6px;
      flex-wrap: wrap;
    }

    .banner-breadcrumb a:hover {
      color: #fff;
    }

    .banner-kicker {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: rgba(29, 108, 179, 0.25);
      border: 1px solid rgba(255, 255, 255, 0.18);
      padding: 4px 10px;
      border-radius: 40px;
      color: #CFE6FA;
      font-size: 13px;
      margin-bottom: 14px;
    }

    .channel-banner h1 {
      margin: 0 0 16px;
      font-size: clamp(30px, 4vw, 46px);
      font-weight: 800;
      line-height: 1.2;
      letter-spacing: .5px;
    }

    .channel-banner h1 .h1-brand {
      color: #7FC0F2;
      font-weight: 700;
    }

    .channel-banner h1 .h1-divider {
      display: inline-block;
      margin: 0 8px;
      color: rgba(255, 255, 255, 0.45);
    }

    .banner-desc {
      font-size: 15px;
      line-height: 1.9;
      color: rgba(255, 255, 255, 0.78);
      margin-bottom: 26px;
      max-width: 600px;
    }

    .banner-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }

    .banner-tags {
      margin-top: 22px;
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .banner-tags span {
      background: rgba(255, 255, 255, 0.12);
      border: 1px solid rgba(255, 255, 255, 0.16);
      padding: 5px 12px;
      border-radius: 30px;
      font-size: 12px;
      color: rgba(255, 255, 255, 0.92);
    }

    .category-tabs {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin: -6px 0 34px;
      padding: 0 4px;
    }

    .category-tab {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      padding: 8px 16px;
      background: #fff;
      border: 1px solid var(--line);
      color: var(--muted);
      border-radius: 40px;
      font-size: 14px;
      font-weight: 500;
      transition: all .2s ease;
    }

    .category-tab i {
      color: var(--brand);
      font-size: 13px;
    }

    .category-tab:hover {
      border-color: var(--brand);
      color: var(--brand);
    }

    .category-tab.active {
      background: var(--brand);
      border-color: var(--brand);
      color: #fff;
    }

    .category-tab.active i {
      color: #fff;
    }

    .section-block {
      margin-bottom: 56px;
    }

    .section-heading {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      gap: 20px;
      margin-bottom: 24px;
      position: relative;
      padding-left: 18px;
    }

    .section-heading::before {
      content: "";
      position: absolute;
      left: 0;
      top: 8px;
      bottom: 8px;
      width: 4px;
      border-radius: 4px;
      background: var(--brand);
    }

    .section-heading h2 {
      font-size: clamp(22px, 2.4vw, 30px);
      font-weight: 700;
      margin: 0 0 4px;
      color: var(--ink);
      line-height: 1.3;
    }

    .section-heading p {
      margin: 0;
      font-size: 14px;
      color: var(--faint);
    }

    .section-more {
      font-size: 14px;
      font-weight: 600;
      color: var(--brand);
      white-space: nowrap;
      transition: color .2s;
    }

    .section-more:hover {
      color: var(--brand-dark);
    }

    .u-card {
      background: #fff;
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      box-shadow: var(--card-shadow);
      transition: all .25s ease;
    }

    .u-card:hover {
      box-shadow: var(--card-shadow-hover);
      transform: translateY(-4px);
    }

    .overview-grid .big-card {
      height: 100%;
      padding: 28px;
      display: flex;
      flex-direction: column;
      min-height: 420px;
      position: relative;
      overflow: hidden;
    }

    .overview-card-title {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 6px;
    }

    .overview-card-title .title-icon {
      width: 46px;
      height: 46px;
      border-radius: 12px;
      background: var(--light-block);
      color: var(--brand);
      font-size: 19px;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .overview-card-title h3 {
      font-size: 20px;
      font-weight: 700;
      margin: 0;
    }

    .overview-card-title p {
      margin: 2px 0 0;
      font-size: 13px;
      color: var(--faint);
    }

    .big-card .lead-text {
      margin: 12px 0 20px;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.9;
    }

    .coverage-list {
      list-style: none;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 10px;
      margin-top: auto;
    }

    .coverage-list li {
      display: flex;
      gap: 10px;
      align-items: flex-start;
      background: var(--bg-page);
      border: 1px solid var(--line);
      padding: 12px 14px;
      border-radius: var(--radius-md);
      font-size: 14px;
      color: var(--ink);
    }

    .coverage-list li i {
      color: var(--ok);
      margin-top: 4px;
      font-size: 13px;
    }

    .big-card-illustration {
      position: absolute;
      right: 22px;
      bottom: 26px;
      width: 180px;
      opacity: .12;
      display: none;
      transform: rotate(-6deg);
    }

    .mini-card {
      height: calc(50% - 8px);
      padding: 24px;
      min-height: 190px;
    }

    .mini-card + .mini-card {
      margin-top: 16px;
    }

    .mini-card .mini-label {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 12px;
      color: var(--brand);
      background: rgba(29, 108, 179, 0.09);
      padding: 4px 10px;
      border-radius: 30px;
      margin-bottom: 12px;
      font-weight: 600;
    }

    .mini-card h3 {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .mini-card p {
      color: var(--muted);
      font-size: 13px;
      line-height: 1.8;
      margin-bottom: 12px;
    }

    .tag-list {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: auto;
    }

    .tag-list span {
      display: inline-block;
      padding: 5px 11px;
      border-radius: 30px;
      font-size: 12px;
      background: var(--bg-page);
      border: 1px solid var(--line);
      color: var(--muted);
    }

    .updates-wrap {
      height: 100%;
    }

    .update-panel {
      padding: 0 22px 22px;
      height: 100%;
    }

    .update-list {
      list-style: none;
      display: flex;
      flex-direction: column;
    }

    .update-item {
      display: flex;
      gap: 16px;
      padding: 20px 0;
      border-bottom: 1px solid var(--line);
      transition: background .2s ease;
    }

    .update-item:last-child {
      border-bottom: 0;
    }

    .update-thumb {
      width: 118px;
      height: 88px;
      flex: 0 0 118px;
      border-radius: 12px;
      object-fit: cover;
      background: var(--light-block);
    }

    .update-info {
      flex: 1;
      min-width: 0;
    }

    .update-title {
      font-size: 16px;
      font-weight: 700;
      color: var(--ink);
      line-height: 1.4;
      margin-bottom: 6px;
    }

    .update-desc {
      font-size: 13px;
      color: var(--muted);
      line-height: 1.75;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .update-meta {
      margin-top: 8px;
      display: flex;
      gap: 12px;
      font-size: 12px;
      color: var(--faint);
    }

    .update-meta i {
      margin-right: 4px;
    }

    .hot-card {
      padding: 22px 22px 16px;
      height: 100%;
      background: var(--navy);
      border-color: var(--navy);
    }

    .hot-card .mini-card-head {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 18px;
    }

    .hot-card .mini-card-head i {
      width: 34px;
      height: 34px;
      background: rgba(29, 108, 179, 0.4);
      border-radius: 10px;
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 14px;
    }

    .hot-card h3 {
      font-size: 17px;
      color: #fff;
      font-weight: 700;
      margin: 0;
    }

    .hot-card p {
      color: var(--navy-soft);
      font-size: 12px;
      margin: 0;
    }

    .rank-list {
      list-style: none;
    }

    .rank-item {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 12px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.07);
    }

    .rank-item:last-child {
      border-bottom: 0;
    }

    .rank-index {
      font-size: 20px;
      font-weight: 800;
      font-style: normal;
      color: #4B6C88;
      line-height: 1;
      width: 30px;
      text-align: center;
    }

    .rank-item:nth-child(1) .rank-index,
    .rank-item:nth-child(2) .rank-index,
    .rank-item:nth-child(3) .rank-index {
      color: var(--accent);
    }

    .rank-main {
      flex: 1;
      min-width: 0;
    }

    .rank-name {
      font-size: 14px;
      font-weight: 600;
      color: #fff;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .rank-progress {
      display: flex;
      align-items: center;
      gap: 6px;
      color: var(--navy-soft);
      font-size: 12px;
      margin-top: 2px;
    }

    .rank-progress i {
      font-size: 10px;
      color: var(--ok);
    }

    .rank-badge {
      font-size: 11px;
      border: 1px solid rgba(255, 255, 255, 0.15);
      padding: 2px 7px;
      border-radius: 30px;
      color: var(--navy-soft);
      white-space: nowrap;
    }

    .topic-grid .topic-card {
      border-radius: var(--radius-lg);
      overflow: hidden;
      background: #fff;
      border: 1px solid var(--line);
      height: 100%;
      transition: all .25s ease;
    }

    .topic-grid .topic-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--card-shadow-hover);
    }

    .topic-media {
      aspect-ratio: 16/10;
      overflow: hidden;
      background: var(--light-block);
    }

    .topic-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform .4s ease;
    }

    .topic-card:hover .topic-media img {
      transform: scale(1.03);
    }

    .topic-content {
      padding: 20px;
    }

    .topic-cate {
      display: inline-flex;
      align-items: center;
      font-size: 12px;
      color: var(--brand);
      background: rgba(29, 108, 179, 0.08);
      padding: 4px 10px;
      border-radius: 40px;
      margin-bottom: 10px;
      font-weight: 600;
    }

    .topic-content h3 {
      font-size: 18px;
      font-weight: 700;
      line-height: 1.5;
      margin-bottom: 8px;
    }

    .topic-content p {
      color: var(--muted);
      font-size: 13px;
      line-height: 1.8;
      margin-bottom: 14px;
    }

    .topic-linktext {
      font-size: 13px;
      font-weight: 600;
      color: var(--brand);
      display: inline-flex;
      align-items: center;
      gap: 6px;
      transition: all .2s;
    }

    .topic-linktext:hover {
      gap: 9px;
      color: var(--brand-dark);
    }

    .service-bar {
      border-radius: var(--radius-lg);
      padding: 26px 30px;
      background: var(--light-block);
      border: 1px solid var(--line);
      margin-bottom: 56px;
    }

    .service-bar .row {
      align-items: center;
    }

    .service-bar h3 {
      font-size: 20px;
      font-weight: 700;
      margin-bottom: 4px;
    }

    .service-bar p {
      color: var(--muted);
      font-size: 13px;
      margin: 0;
    }

    .service-block {
      display: flex;
      gap: 14px;
      align-items: flex-start;
      padding: 10px 0;
    }

    .service-block .service-icon {
      width: 40px;
      height: 40px;
      flex: 0 0 40px;
      border-radius: 11px;
      background: #fff;
      color: var(--brand);
      display: flex;
      align-items: center;
      justify-content: center;
      border: 1px solid var(--line);
      font-size: 15px;
    }

    .service-block strong {
      display: block;
      font-size: 15px;
      color: var(--ink);
      margin-bottom: 3px;
    }

    .service-block span {
      font-size: 13px;
      color: var(--faint);
    }

    .faq-panel {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .panel-item {
      background: #fff;
      border: 1px solid var(--line);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: box-shadow .2s;
    }

    .panel-item:hover {
      box-shadow: var(--card-shadow);
    }

    .panel-trigger {
      width: 100%;
      padding: 17px 18px;
      background: #fff;
      border: 0;
      display: flex;
      align-items: center;
      gap: 12px;
      text-align: left;
      color: var(--ink);
      font-weight: 600;
      font-size: 15px;
      line-height: 1.45;
      cursor: pointer;
      transition: background .2s;
    }

    .panel-trigger .fa-plus {
      margin-left: auto;
      color: var(--brand);
      font-size: 14px;
      transition: transform .25s ease;
    }

    .panel-trigger.active-item {
      background: var(--light-block);
    }

    .panel-trigger.active-item .fa-plus {
      transform: rotate(45deg);
    }

    .panel-content {
      max-height: 0;
      overflow: hidden;
      transition: max-height .3s ease;
    }

    .panel-content-inner {
      padding: 0 18px 18px 46px;
      font-size: 14px;
      color: var(--muted);
      line-height: 1.85;
      background: var(--light-block);
    }

    .submit-card {
      padding: 32px;
      height: 100%;
      background: #fff;
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      box-shadow: var(--card-shadow);
    }

    .contact-card {
      padding: 30px 26px;
      height: 100%;
      background: var(--navy);
      border: 1px solid var(--navy);
      border-radius: var(--radius-lg);
      color: #fff;
    }

    .contact-title {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 4px;
    }

    .contact-subtitle {
      font-size: 13px;
      color: var(--navy-soft);
      margin-bottom: 18px;
    }

    .contact-item {
      display: flex;
      gap: 12px;
      padding: 12px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.07);
    }

    .contact-item:last-child {
      border-bottom: 0;
    }

    .contact-item i {
      width: 34px;
      height: 34px;
      flex: 0 0 34px;
      border-radius: 9px;
      background: rgba(29, 108, 179, 0.4);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 14px;
    }

    .contact-item strong {
      display: block;
      font-size: 14px;
      color: #fff;
      font-weight: 600;
      margin-bottom: 2px;
    }

    .contact-item span {
      font-size: 13px;
      color: var(--navy-soft);
      line-height: 1.6;
    }

    .form-label-sm {
      font-size: 13px;
      color: var(--muted);
      margin-bottom: 6px;
      font-weight: 500;
    }

    .form-dark input,
    .form-dark textarea,
    .form-dark select {
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.16);
      color: #fff;
    }

    .form-dark input::placeholder,
    .form-dark textarea::placeholder {
      color: rgba(255, 255, 255, 0.45);
    }

    .footer {
      background: #0D2334;
      color: #98AEBF;
      margin-top: 20px;
    }

    .footer-top {
      padding: 48px 40px 28px;
    }

    .footer-bottom {
      padding: 18px 40px;
    }

    .footer-divider {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      margin: 0 40px;
    }

    .footer-brand {
      display: flex;
      align-items: center;
      gap: 10px;
      color: #fff;
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 14px;
    }

    .footer-brand .brand-mark {
      width: 34px;
      height: 34px;
      background: var(--brand);
      border-radius: 10px;
      color: #fff;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 15px;
    }

    .footer-desc {
      font-size: 13px;
      line-height: 1.9;
      color: #7F9AAE;
      max-width: 620px;
      margin: 0 0 14px;
    }

    .footer-title {
      color: #fff;
      font-size: 15px;
      font-weight: 600;
      margin-bottom: 14px;
    }

    .footer-link-list {
      list-style: none;
      padding: 0;
      margin: 0;
      display: flex;
      flex-direction: column;
      gap: 7px;
      font-size: 13px;
    }

    .footer-link-list li {
      line-height: 1.6;
    }

    .footer-link-list a {
      color: #8AA3B6;
      transition: color .2s ease;
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    .footer-link-list a:hover {
      color: #fff;
    }

    .footer-info p {
      display: flex;
      gap: 8px;
      align-items: flex-start;
      margin-bottom: 8px;
      font-size: 13px;
      color: #8AA3B6;
    }

    .footer-info p i {
      margin-top: 5px;
      color: #6E8DA3;
    }

    .footer-bottom {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 10px;
      font-size: 13px;
      color: #6E8DA3;
    }

    @media (min-width: 1200px) {
      .sidebar {
        width: 280px;
      }

      .main-shell {
        margin-left: 280px;
      }
    }

    @media (min-width: 992px) and (max-width: 1199.98px) {
      .sidebar {
        width: 84px;
      }

      .main-shell {
        margin-left: 84px;
      }

      .sidebar-brand-wrap {
        padding: 0 18px;
        justify-content: center;
      }

      .sidebar-brand-wrap .brand-copy {
        display: none;
      }

      .side-menu {
        padding-left: 10px;
        padding-right: 10px;
      }

      .menu-label {
        font-size: 0;
        height: 20px;
        text-align: center;
      }

      .menu-label::after {
        content: "";
        display: block;
        width: 22px;
        height: 2px;
        background: rgba(255, 255, 255, 0.12);
        margin: 0 auto;
        border-radius: 2px;
      }

      .menu-link {
        justify-content: center;
        padding: 0;
        gap: 0;
      }

      .menu-link .menu-text {
        display: none;
      }

      .menu-link i {
        width: auto;
      }

      .sidebar-foot {
        display: none;
      }

      .main-content {
        padding: 24px 28px 48px;
      }

      .topbar-inner {
        padding: 0 28px;
      }

      .footer-top,
      .footer-bottom {
        padding-left: 28px;
        padding-right: 28px;
      }

      .footer-divider {
        margin-left: 28px;
        margin-right: 28px;
      }
    }

    @media (max-width: 991.98px) {
      .sidebar {
        width: 280px;
        transform: translateX(-100%);
        transition: transform .3s ease;
        box-shadow: 0 0 40px rgba(0, 0, 0, 0.25);
      }

      .sidebar.open {
        transform: translateX(0);
      }

      .sidebar-brand-wrap {
        padding: 0 24px;
        justify-content: flex-start;
      }

      .sidebar-brand-wrap .brand-copy {
        display: block;
      }

      .side-menu {
        padding-left: 14px;
        padding-right: 14px;
      }

      .menu-label {
        text-align: left;
        font-size: 12px;
      }

      .menu-label::after {
        display: none;
      }

      .menu-link {
        justify-content: flex-start;
        gap: 12px;
        padding: 0 14px;
      }

      .menu-link .menu-text {
        display: inline;
      }

      .sidebar-foot {
        display: block;
      }

      .mobile-topbar {
        display: flex;
      }

      .main-shell {
        margin-left: 0;
        padding-top: 64px;
      }

      .page-topbar {
        display: none;
      }

      .main-content {
        padding: 20px 20px 44px;
      }

      .content-wrap {
        width: 100%;
      }

      .channel-banner {
        padding: 38px 28px;
        min-height: 280px;
      }

      .footer-top {
        padding: 40px 20px 24px;
      }

      .footer-bottom {
        padding: 16px 20px;
      }

      .footer-divider {
        margin: 0 20px;
      }

      .footer .row > div {
        margin-bottom: 18px;
      }
    }

    @media (max-width: 767.98px) {
      .main-content {
        padding: 16px 14px 38px;
      }

      .channel-banner {
        border-radius: 18px;
        padding: 28px 20px;
        min-height: auto;
      }

      .channel-banner h1 {
        font-size: 28px;
      }

      .banner-desc {
        font-size: 14px;
      }

      .category-tabs {
        margin-bottom: 24px;
      }

      .section-block {
        margin-bottom: 40px;
      }

      .section-heading {
        padding-left: 14px;
      }

      .section-heading h2 {
        font-size: 22px;
      }

      .overview-grid .big-card {
        padding: 22px;
        min-height: auto;
      }

      .coverage-list {
        grid-template-columns: 1fr;
      }

      .mini-card {
        min-height: 0;
      }

      .update-panel {
        padding: 12px;
      }

      .update-item {
        flex-direction: column;
        gap: 10px;
      }

      .update-thumb {
        width: 100%;
        height: 150px;
        flex: none;
      }

      .hot-card {
        padding: 20px;
      }

      .service-bar {
        padding: 20px 18px;
        margin-bottom: 40px;
      }

      .topic-grid .col-md-6,
      .topic-grid .col-md-3 {
        margin-bottom: 16px;
      }

      .topic-grid .col-md-6:last-child {
        margin-bottom: 0;
      }

      .submit-card,
      .contact-card {
        padding: 24px 18px;
      }

      .banner-actions .btn,
      .banner-actions a {
        width: 100%;
      }

      .footer-top {
        padding: 32px 18px 16px;
      }

      .footer-bottom {
        padding: 14px 18px;
        flex-direction: column;
        align-items: flex-start;
        gap: 6px;
      }
    }

    @media (max-width: 575.98px) {
      .mobile-topbar {
        padding: 0 10px;
      }

      .footer-brand {
        font-size: 16px;
      }

      .rank-badge {
        display: none;
      }

      .update-desc {
        -webkit-line-clamp: 3;
      }

      .topbar-inner {
        padding: 0 14px;
      }

      .btn-brand,
      .btn-outline-brand,
      .btn-light-outline {
        width: 100%;
      }
    }

/* roulang page: category3 */
:root{
      --page-bg:#F3F7FB;
      --card-bg:#FFFFFF;
      --text-main:#1F3448;
      --text-sub:#5A6E80;
      --text-faint:#8A9BA9;
      --brand:#1D6CB3;
      --brand-hover:#155A90;
      --line:#E3ECF3;
      --soft-block:#EAF2F9;
      --navy:#102B42;
      --navy-text:#B7C9D8;
      --orange:#F06A2B;
      --green:#1E9E83;
      --radius-lg:16px;
      --radius-md:10px;
      --radius-sm:8px;
      --shadow-card:0 10px 30px rgba(26,73,110,.08);
      --shadow-card-hover:0 16px 36px rgba(26,73,110,.13);
      --font-stack:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC","Helvetica Neue",Arial,sans-serif;
    }
    *,
    *::before,
    *::after{
      box-sizing:border-box;
    }
    html{
      scroll-behavior:smooth;
    }
    body{
      margin:0;
      font-family:var(--font-stack);
      background:var(--page-bg);
      color:var(--text-main);
      line-height:1.85;
      font-size:15px;
      -webkit-font-smoothing:antialiased;
    }
    a{
      color:var(--brand);
      text-decoration:none;
      transition:color .25s ease;
    }
    a:hover{
      color:var(--brand-hover);
    }
    img{
      max-width:100%;
      height:auto;
      display:block;
    }
    button,
    input,
    select,
    textarea{
      font-family:inherit;
    }
    .text-main{
      color:var(--text-main);
    }
    .text-secondary{
      color:var(--text-sub);
    }
    .text-light-muted{
      color:var(--text-faint);
    }
    .brand-bg{
      background:var(--brand);
    }
    /* 全站左侧竖向导航 */
    .side-nav{
      position:fixed;
      top:0;
      left:0;
      width:280px;
      height:100vh;
      height:100dvh;
      background:var(--navy);
      z-index:1060;
      display:flex;
      flex-direction:column;
      transition:transform .3s ease,width .25s ease;
      overflow-y:auto;
      overflow-x:hidden;
    }
    .side-nav::-webkit-scrollbar{
      width:4px;
    }
    .side-nav::-webkit-scrollbar-thumb{
      background:rgba(255,255,255,.16);
      border-radius:20px;
    }
    .nav-brand{
      min-height:96px;
      padding:22px 24px;
      display:flex;
      align-items:center;
      gap:14px;
      border-bottom:1px solid rgba(255,255,255,.08);
      flex-shrink:0;
    }
    .brand-icon{
      width:44px;
      height:44px;
      flex:0 0 44px;
      border-radius:12px;
      background:linear-gradient(145deg,#265f94,#16456f);
      display:inline-flex;
      align-items:center;
      justify-content:center;
      color:#fff;
      font-size:20px;
      box-shadow:0 8px 16px rgba(0,0,0,.18);
    }
    .brand-copy{
      min-width:0;
    }
    .brand-name{
      color:#fff;
      font-weight:700;
      font-size:17px;
      letter-spacing:.3px;
      line-height:1.4;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .brand-zone{
      color:var(--navy-text);
      font-size:12px;
      letter-spacing:.8px;
      margin-top:2px;
      display:block;
    }
    .side-menu-wrap{
      padding:20px 12px 28px;
      flex:1;
    }
    .menu-label{
      font-size:12px;
      color:rgba(183,201,216,.62);
      letter-spacing:1.6px;
      padding:8px 14px;
      text-transform:uppercase;
      font-weight:600;
      display:flex;
      align-items:center;
    }
    .menu-link{
      display:flex;
      align-items:center;
      gap:14px;
      height:48px;
      padding:0 16px;
      border-radius:10px;
      color:var(--navy-text);
      font-size:15px;
      font-weight:500;
      position:relative;
      transition:background .25s ease,color .25s ease;
      margin-bottom:2px;
    }
    .menu-link i{
      width:20px;
      text-align:center;
      font-size:16px;
      flex:0 0 20px;
    }
    .menu-link .menu-text{
      white-space:nowrap;
    }
    .menu-link:hover{
      background:rgba(255,255,255,.08);
      color:#fff;
    }
    .menu-link.active{
      background:rgba(255,255,255,.08);
      color:#fff;
      font-weight:600;
    }
    .menu-link.active::before{
      content:"";
      position:absolute;
      left:-12px;
      top:12px;
      bottom:12px;
      width:4px;
      border-radius:0 6px 6px 0;
      background:var(--brand);
    }
    .side-meta{
      padding:20px 24px 22px;
      border-top:1px solid rgba(255,255,255,.07);
      flex-shrink:0;
      font-size:12px;
      color:rgba(183,201,216,.54);
      line-height:1.9;
    }
    .side-meta i{
      margin-right:6px;
      width:15px;
    }
    .main-expand{
      margin-left:280px;
      min-height:100vh;
      display:flex;
      flex-direction:column;
      transition:margin-left .25s ease;
    }
    /* 移动端顶栏 */
    .mobile-topbar{
      position:fixed;
      top:0;
      left:0;
      right:0;
      z-index:1050;
      height:64px;
      background:var(--navy);
      display:none;
      align-items:center;
      padding:0 18px;
      gap:12px;
      box-shadow:0 6px 18px rgba(16,43,66,.14);
    }
    .mobile-topbar .mobile-brand{
      flex:1;
      text-align:center;
      color:#fff;
      font-weight:600;
      font-size:17px;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .mob-icon-btn{
      width:42px;
      height:42px;
      border:none;
      background:rgba(255,255,255,.08);
      color:#fff;
      border-radius:10px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      font-size:17px;
      transition:background .25s ease,transform .2s ease;
    }
    .mob-icon-btn:hover{
      background:rgba(255,255,255,.16);
      color:#fff;
    }
    .mob-icon-btn:active{
      transform:scale(.95);
    }
    .drawer-backdrop{
      position:fixed;
      inset:0;
      background:rgba(8,25,40,.55);
      z-index:1040;
      opacity:0;
      visibility:hidden;
      transition:opacity .3s ease,visibility .3s ease;
    }
    .drawer-backdrop.show{
      opacity:1;
      visibility:visible;
    }
    .side-nav.nav-open{
      transform:translateX(0);
    }
    /* 主要内容外壳 */
    .content-wrap{
      flex:1;
      display:flex;
      flex-direction:column;
    }
    .page-shell{
      width:100%;
      max-width:1380px;
      margin:0 auto;
      padding:36px 40px 40px;
    }
    /* 分类页首页头 */
    .cat-masthead{
      position:relative;
      overflow:hidden;
      border-radius:20px;
      padding:42px 42px 34px;
      background:
        linear-gradient(112deg,rgba(16,43,66,.94) 0%,rgba(24,75,112,.82) 58%,rgba(29,108,179,.46) 100%),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      color:#fff;
      min-height:360px;
      display:flex;
      align-items:center;
      box-shadow:var(--shadow-card);
      border:1px solid rgba(255,255,255,.12);
    }
    .cat-breadcrumb{
      font-size:13px;
      color:rgba(255,255,255,.72);
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-bottom:32px;
      align-items:center;
    }
    .cat-breadcrumb a{
      color:rgba(255,255,255,.84);
    }
    .cat-breadcrumb a:hover{
      color:#fff;
    }
    .cat-breadcrumb i{
      font-size:9px;
      color:rgba(255,255,255,.5);
    }
    .masthead-row{
      display:grid;
      grid-template-columns:1.5fr .9fr;
      gap:40px;
      align-items:center;
    }
    .masthead-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      background:rgba(255,255,255,.14);
      border:1px solid rgba(255,255,255,.2);
      color:#fff;
      font-size:13px;
      padding:6px 14px;
      border-radius:100px;
      margin-bottom:20px;
      letter-spacing:.6px;
    }
    .masthead-kicker i{
      color:#ffd2b6;
    }
    .cat-masthead h1{
      font-size:clamp(28px,4vw,42px);
      font-weight:700;
      line-height:1.25;
      color:#fff;
      margin:0 0 16px;
    }
    .cat-masthead h1 span{
      color:#9fd0ff;
    }
    .masthead-lead{
      max-width:680px;
      color:rgba(255,255,255,.86);
      font-size:15px;
      line-height:1.9;
      margin-bottom:26px;
    }
    .masthead-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-bottom:26px;
    }
    .btn-brand{
      display:inline-flex;
      align-items:center;
      gap:9px;
      border:1px solid var(--brand);
      background:var(--brand);
      color:#fff;
      height:46px;
      padding:0 26px;
      border-radius:8px;
      font-size:15px;
      font-weight:600;
      transition:background .25s ease,transform .25s ease,box-shadow .25s ease;
    }
    .btn-brand:hover{
      background:var(--brand-hover);
      border-color:var(--brand-hover);
      color:#fff;
      transform:translateY(-2px);
      box-shadow:0 10px 20px rgba(29,108,179,.2);
    }
    .btn-outline-white{
      display:inline-flex;
      align-items:center;
      gap:9px;
      border:1.5px solid rgba(255,255,255,.8);
      color:#fff;
      height:46px;
      padding:0 24px;
      border-radius:8px;
      font-size:15px;
      font-weight:600;
      background:transparent;
      transition:background .25s ease,transform .25s ease;
    }
    .btn-outline-white:hover{
      background:rgba(255,255,255,.1);
      color:#fff;
      transform:translateY(-2px);
    }
    .masthead-meta{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .masthead-meta span{
      background:rgba(255,255,255,.12);
      border:1px solid rgba(255,255,255,.14);
      border-radius:100px;
      font-size:13px;
      padding:6px 14px;
      display:inline-flex;
      gap:8px;
      color:rgba(255,255,255,.9);
    }
    .masthead-meta i{
      color:#9fd0ff;
    }
    .masthead-visual{
      position:relative;
      min-height:220px;
      display:flex;
      align-items:center;
      justify-content:center;
    }
    .masthead-visual img{
      width:100%;
      height:240px;
      object-fit:cover;
      border-radius:18px;
      border:1px solid rgba(255,255,255,.25);
      box-shadow:0 20px 32px rgba(0,0,0,.18);
    }
    /* 分栏目标签 */
    .cat-tabs-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin:22px 0 0;
    }
    .cat-tab{
      height:42px;
      padding:0 18px;
      border-radius:100px;
      border:1px solid var(--line);
      background:#fff;
      color:var(--text-sub);
      display:inline-flex;
      align-items:center;
      gap:8px;
      font-size:14px;
      font-weight:500;
      transition:all .25s ease;
    }
    .cat-tab i{
      font-size:13px;
      color:var(--text-faint);
      transition:color .25s ease;
    }
    .cat-tab:hover{
      border-color:var(--brand);
      color:var(--brand);
      box-shadow:0 8px 16px rgba(29,108,179,.08);
    }
    .cat-tab.active{
      background:var(--brand);
      border-color:var(--brand);
      color:#fff;
      font-weight:600;
    }
    .cat-tab.active i{
      color:#fff;
    }
    /* 主内容区 */
    .section-block{
      margin-top:64px;
    }
    .section-block:first-of-type{
      margin-top:48px;
    }
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:20px;
      margin-bottom:26px;
      position:relative;
      padding-left:16px;
    }
    .section-head::before{
      content:"";
      position:absolute;
      left:0;
      top:6px;
      bottom:6px;
      width:4px;
      border-radius:8px;
      background:var(--brand);
    }
    .section-head h2{
      font-size:clamp(22px,2.6vw,32px);
      font-weight:700;
      line-height:1.35;
      margin:0;
      color:var(--text-main);
    }
    .section-head p{
      margin:8px 0 0;
      color:var(--text-sub);
      font-size:14px;
      max-width:760px;
    }
    .section-more{
      white-space:nowrap;
      font-size:14px;
      font-weight:500;
      color:var(--brand);
    }
    .section-more i{
      transition:transform .25s ease;
      margin-left:4px;
      font-size:12px;
    }
    .section-more:hover i{
      transform:translateX(4px);
    }
    /* 下载区主卡 */
    .download-layout{
      display:grid;
      grid-template-columns:minmax(0,1.55fr) minmax(300px,.8fr);
      gap:24px;
      align-items:stretch;
    }
    .panel-card{
      background:var(--card-bg);
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow-card);
      transition:box-shadow .3s ease,transform .3s ease;
    }
    .panel-card-hover:hover{
      box-shadow:var(--shadow-card-hover);
      transform:translateY(-4px);
    }
    .download-main-card{
      padding:28px;
      position:relative;
      overflow:hidden;
    }
    .download-card-head{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:16px;
      margin-bottom:22px;
    }
    .download-app{
      display:flex;
      align-items:center;
      gap:18px;
      min-width:0;
    }
    .client-icon-box{
      width:88px;
      height:88px;
      flex:0 0 88px;
      border-radius:20px;
      background:linear-gradient(145deg,#EAF2F9,#f8fbfd);
      border:1px solid var(--line);
      display:flex;
      align-items:center;
      justify-content:center;
      overflow:hidden;
    }
    .client-icon-box img{
      width:72px;
      height:72px;
      object-fit:cover;
      border-radius:14px;
    }
    .client-title{
      font-size:21px;
      font-weight:700;
      color:var(--text-main);
      line-height:1.4;
      margin-bottom:6px;
    }
    .client-tags{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
    }
    .badge-soft{
      background:rgba(29,108,179,.1);
      color:var(--brand);
      padding:5px 12px;
      font-weight:600;
      font-size:12px;
      border-radius:100px;
      display:inline-flex;
      align-items:center;
      gap:6px;
    }
    .badge-green{
      background:rgba(30,158,131,.12);
      color:#16725f;
      padding:5px 12px;
      font-weight:600;
      font-size:12px;
      border-radius:100px;
    }
    .badge-orange{
      background:var(--orange);
      color:#fff;
      padding:5px 12px;
      font-weight:600;
      font-size:12px;
      border-radius:100px;
      letter-spacing:.4px;
    }
    .download-main-body{
      border-top:1px dashed var(--line);
      padding-top:18px;
      display:grid;
      grid-template-columns:1fr auto;
      gap:20px;
      align-items:center;
    }
    .version-info-list{
      list-style:none;
      margin:0;
      padding:0;
      display:flex;
      flex-direction:column;
      gap:8px;
    }
    .version-info-list li{
      display:flex;
      align-items:center;
      gap:10px;
      color:var(--text-sub);
      font-size:14px;
    }
    .version-info-list li i{
      width:18px;
      color:var(--brand);
      font-size:13px;
      text-align:center;
    }
    .version-big{
      color:var(--text-main);
      font-weight:700;
      font-size:18px;
    }
    .dl-button-group{
      display:flex;
      flex-direction:column;
      gap:10px;
      min-width:188px;
    }
    .btn-outline-brand{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      border:1.5px solid var(--brand);
      color:var(--brand);
      background:transparent;
      height:46px;
      padding:0 20px;
      border-radius:8px;
      font-weight:600;
      font-size:14px;
      transition:background .25s ease,color .25s ease,transform .25s ease,box-shadow .25s ease;
    }
    .btn-outline-brand:hover{
      background:rgba(29,108,179,.06);
      color:var(--brand-hover);
      border-color:var(--brand-hover);
      transform:translateY(-2px);
      box-shadow:0 8px 18px rgba(29,108,179,.1);
    }
    .btn-outline-brand i{
      font-size:16px;
    }
    .download-note{
      grid-column:1/-1;
      background:var(--soft-block);
      border-radius:12px;
      padding:14px 18px;
      color:var(--text-sub);
      font-size:13px;
      line-height:1.8;
      display:flex;
      gap:10px;
      margin-top:6px;
    }
    .download-note i{
      color:var(--brand);
      margin-top:4px;
    }
    /* 更新日志卡 */
    .update-card{
      padding:24px;
      background:#fff;
      border-radius:16px;
      border:1px solid var(--line);
      box-shadow:var(--shadow-card);
    }
    .update-card-head{
      display:flex;
      align-items:center;
      justify-content:space-between;
      border-bottom:1px solid var(--line);
      padding-bottom:16px;
      margin-bottom:18px;
    }
    .update-card-head h3{
      font-size:18px;
      font-weight:700;
      margin:0;
      display:flex;
      align-items:center;
      gap:10px;
    }
    .update-card-head h3 i{
      color:var(--brand);
    }
    .update-version-dot{
      background:var(--navy);
      color:#fff;
      padding:6px 12px;
      border-radius:100px;
      font-size:12px;
      font-weight:600;
      letter-spacing:.5px;
    }
    .update-items{
      list-style:none;
      margin:0;
      padding:0;
    }
    .update-items li{
      position:relative;
      padding:0 0 18px 28px;
      border-left:1px solid var(--line);
      margin-left:6px;
    }
    .update-items li:last-child{
      padding-bottom:0;
    }
    .update-items li::before{
      content:"";
      position:absolute;
      left:-5px;
      top:6px;
      width:9px;
      height:9px;
      border-radius:50%;
      background:var(--brand);
      box-shadow:0 0 0 4px rgba(29,108,179,.12);
    }
    .update-date{
      font-size:12px;
      color:var(--text-faint);
      letter-spacing:.3px;
      display:block;
      margin-bottom:2px;
    }
    .update-title{
      font-weight:600;
      color:var(--text-main);
      font-size:14px;
      margin-bottom:3px;
    }
    .update-desc{
      color:var(--text-sub);
      font-size:13px;
      line-height:1.7;
    }
    /* 安装步骤 */
    .steps-row{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:20px;
      margin-top:8px;
    }
    .step-tile{
      background:#fff;
      border:1px solid var(--line);
      border-radius:14px;
      padding:22px;
      box-shadow:0 6px 18px rgba(26,73,110,.05);
      transition:box-shadow .3s ease,transform .3s ease;
      position:relative;
    }
    .step-tile:hover{
      box-shadow:var(--shadow-card-hover);
      transform:translateY(-4px);
    }
    .step-index{
      width:46px;
      height:46px;
      border-radius:14px;
      background:var(--soft-block);
      color:var(--brand);
      font-weight:700;
      font-size:18px;
      display:flex;
      align-items:center;
      justify-content:center;
      margin-bottom:18px;
    }
    .step-tile h3{
      font-size:17px;
      font-weight:700;
      color:var(--text-main);
      margin-bottom:8px;
    }
    .step-tile p{
      color:var(--text-sub);
      font-size:13px;
      line-height:1.8;
      margin:0;
    }
    .step-link{
      margin-top:14px;
      font-size:13px;
      font-weight:600;
      color:var(--brand);
      display:inline-flex;
      align-items:center;
      gap:6px;
      transition:gap .2s ease;
    }
    .step-link i{
      font-size:11px;
    }
    .step-link:hover{
      gap:10px;
      color:var(--brand-hover);
    }
    /* 环境适配与下载提醒 */
    .adapt-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:24px;
    }
    .adapt-card{
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      padding:26px;
      box-shadow:var(--shadow-card);
    }
    .adapt-card-head{
      display:flex;
      gap:14px;
      align-items:flex-start;
      margin-bottom:18px;
    }
    .adapt-card-head .icon-bg{
      width:48px;
      height:48px;
      flex:0 0 48px;
      border-radius:14px;
      display:flex;
      align-items:center;
      justify-content:center;
      font-size:19px;
      color:var(--brand);
      background:var(--soft-block);
    }
    .adapt-card-head h3{
      font-size:18px;
      font-weight:700;
      margin:2px 0 2px;
    }
    .adapt-card-head p{
      color:var(--text-sub);
      font-size:13px;
      margin:0;
    }
    .adapt-card-list{
      list-style:none;
      padding:0;
      margin:0;
    }
    .adapt-card-list li{
      display:flex;
      align-items:center;
      gap:10px;
      padding:9px 0;
      color:var(--text-sub);
      border-bottom:1px dashed var(--line);
      font-size:14px;
    }
    .adapt-card-list li:last-child{
      border-bottom:none;
    }
    .adapt-card-list li i{
      color:var(--green);
      width:18px;
      font-size:13px;
    }
    .adapt-card-list li i.fa-xmark{
      color:#b5686a;
    }
    .warning-note{
      display:flex;
      gap:12px;
      background:var(--soft-block);
      border-left:3px solid var(--brand);
      border-radius:8px;
      padding:16px 16px;
      color:var(--text-sub);
      font-size:13px;
      line-height:1.9;
      margin-top:0;
    }
    .warning-note i{
      color:var(--brand);
      font-size:18px;
      margin-top:2px;
    }
    /* FAQ */
    .faq-shell{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:24px;
    }
    .faq-column{
      display:flex;
      flex-direction:column;
      gap:14px;
    }
    .faq-item{
      background:#fff;
      border:1px solid var(--line);
      border-radius:14px;
      overflow:hidden;
      transition:box-shadow .25s ease,border-color .25s ease;
    }
    .faq-item:hover{
      border-color:#c9d8e5;
      box-shadow:0 12px 22px rgba(26,73,110,.08);
    }
    .faq-question{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      width:100%;
      border:none;
      background:transparent;
      padding:18px 20px;
      color:var(--text-main);
      font-size:15px;
      font-weight:600;
      text-align:left;
    }
    .faq-icon{
      width:22px;
      height:22px;
      border-radius:50%;
      border:1.5px solid var(--brand);
      color:var(--brand);
      display:inline-flex;
      align-items:center;
      justify-content:center;
      font-size:16px;
      font-weight:400;
      flex:0 0 22px;
      transition:transform .3s ease,background .3s ease;
    }
    .faq-item.open .faq-icon{
      background:var(--brand);
      color:#fff;
      transform:rotate(45deg);
    }
    .faq-answer{
      padding:0 20px 18px;
      color:var(--text-sub);
      font-size:14px;
      line-height:1.85;
    }
    /* 获取协助 CTA */
    .support-block{
      margin-top:64px;
      background:linear-gradient(130deg,var(--navy) 0%,#153755 56%,#1d5c93 100%);
      border-radius:20px;
      padding:38px;
      color:#fff;
      position:relative;
      overflow:hidden;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:28px;
    }
    .support-block::after{
      content:"";
      position:absolute;
      bottom:-80px;
      right:-50px;
      width:260px;
      height:260px;
      border-radius:50%;
      background:rgba(255,255,255,.05);
    }
    .support-copy{
      position:relative;
      z-index:1;
    }
    .support-copy h2{
      font-size:clamp(22px,2.6vw,30px);
      font-weight:700;
      margin:0 0 10px;
    }
    .support-copy p{
      color:rgba(255,255,255,.78);
      margin:0;
      max-width:640px;
      font-size:14px;
    }
    .support-actions{
      display:flex;
      gap:12px;
      position:relative;
      z-index:1;
      flex-wrap:wrap;
    }
    /* 页脚 */
    .footer{
      background:var(--navy);
      color:rgba(255,255,255,.72);
      margin-top:64px;
      padding:48px 40px 24px;
    }
    .footer-top{
      max-width:1280px;
      margin:0 auto;
    }
    .footer-divider{
      max-width:1280px;
      margin:32px auto 20px;
      border-top:1px solid rgba(255,255,255,.1);
      display:block;
    }
    .footer-bottom{
      max-width:1280px;
      margin:0 auto;
      display:flex;
      justify-content:space-between;
      gap:12px;
      flex-wrap:wrap;
      font-size:12px;
      color:rgba(255,255,255,.5);
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:10px;
      color:#fff;
      font-size:19px;
      font-weight:700;
      letter-spacing:.4px;
      margin-bottom:16px;
    }
    .brand-mark{
      width:40px;
      height:40px;
      border-radius:12px;
      background:linear-gradient(145deg,#1d6cb3,#164d83);
      display:flex;
      align-items:center;
      justify-content:center;
      box-shadow:0 8px 16px rgba(29,108,179,.26);
    }
    .footer-desc{
      color:rgba(255,255,255,.64);
      font-size:14px;
      max-width:520px;
      line-height:1.9;
    }
    .footer-title{
      color:#fff;
      font-size:15px;
      font-weight:600;
      margin-bottom:18px;
      letter-spacing:.4px;
      position:relative;
      padding-left:13px;
    }
    .footer-title::before{
      content:"";
      position:absolute;
      left:0;
      top:7px;
      bottom:7px;
      width:3px;
      border-radius:4px;
      background:var(--brand);
    }
    .footer-link-list{
      list-style:none;
      margin:0;
      padding:0;
    }
    .footer-link-list li a{
      color:rgba(255,255,255,.68);
      font-size:14px;
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:6px 0;
      transition:color .25s ease;
    }
    .footer-link-list li a:hover{
      color:#fff;
    }
    .footer-link-list li a i{
      font-size:12px;
      color:rgba(255,255,255,.38);
    }
    .footer-info p{
      margin:0 0 12px;
      color:rgba(255,255,255,.68);
      font-size:14px;
      display:flex;
      gap:12px;
      align-items:center;
    }
    .footer-info p i{
      color:var(--brand);
      width:18px;
    }
    .footer-bottom a{
      color:rgba(255,255,255,.55);
    }
    /* 响应式 */
    @media (min-width:1200px){
      .side-nav{
        width:280px;
      }
      .main-expand{
        margin-left:280px;
      }
      .page-shell{
        padding:36px 40px 40px;
      }
    }
    @media (min-width:992px) and (max-width:1199.98px){
      .side-nav{
        width:84px;
      }
      .nav-brand{
        min-height:96px;
        justify-content:center;
        padding:18px 10px;
      }
      .nav-brand .brand-copy{
        display:none;
      }
      .side-menu-wrap{
        padding-left:10px;
        padding-right:10px;
      }
      .menu-label{
        font-size:0;
        justify-content:center;
        letter-spacing:0;
        padding:10px 0 8px;
      }
      .menu-label::after{
        content:"";
        width:20px;
        height:2px;
        background:rgba(255,255,255,.22);
        border-radius:2px;
      }
      .menu-link{
        padding:0;
        justify-content:center;
      }
      .menu-text{
        display:none;
      }
      .side-meta{
        display:none;
      }
      .main-expand{
        margin-left:84px;
      }
      .page-shell{
        padding:30px 32px 36px;
      }
    }
    @media (max-width:991.98px){
      .side-nav{
        width:280px;
        transform:translateX(-105%);
        box-shadow:0 0 40px rgba(0,0,0,.2);
      }
      .side-nav .menu-text{
        display:inline-block;
      }
      .main-expand{
        margin-left:0;
      }
      .mobile-topbar{
        display:flex;
      }
      .page-shell{
        padding:88px 18px 32px;
      }
      .cat-masthead{
        padding:30px 24px;
      }
      .support-block{
        flex-direction:column;
        padding:28px 24px;
      }
      .footer{
        padding:36px 20px 20px;
      }
    }
    @media (max-width:767.98px){
      .masthead-row{
        grid-template-columns:1fr;
        gap:24px;
      }
      .masthead-visual{
        min-height:150px;
      }
      .masthead-visual img{
        height:180px;
      }
      .download-layout{
        grid-template-columns:1fr;
      }
      .download-main-body{
        grid-template-columns:1fr;
      }
      .dl-button-group{
        min-width:0;
      }
      .steps-row{
        grid-template-columns:1fr 1fr;
      }
      .adapt-grid{
        grid-template-columns:1fr;
      }
      .faq-shell{
        grid-template-columns:1fr;
        gap:16px;
      }
      .section-head{
        align-items:flex-start;
        flex-direction:column;
        gap:8px;
      }
      .section-more{
        margin-left:16px;
      }
      .footer-bottom{
        flex-direction:column;
        text-align:left;
      }
    }
    @media (max-width:575.98px){
      .page-shell{
        padding:84px 14px 24px;
      }
      .cat-masthead{
        border-radius:16px;
        padding:26px 18px;
      }
      .cat-masthead h1{
        font-size:26px;
      }
      .masthead-actions{
        flex-direction:column;
        align-items:stretch;
      }
      .masthead-actions .btn-brand,
      .masthead-actions .btn-outline-white{
        justify-content:center;
      }
      .clients-metrics{
        grid-template-columns:repeat(2,1fr);
      }
      .steps-row{
        grid-template-columns:1fr;
      }
      .download-main-card{
        padding:20px 18px;
      }
      .download-app{
        flex-direction:column;
        align-items:flex-start;
      }
      .download-card-head{
        flex-direction:column;
      }
      .adapt-card{
        padding:20px;
      }
      .faq-question{
        padding:16px 14px;
      }
      .faq-answer{
        padding:0 14px 16px;
      }
      .footer-bottom a{
        display:block;
      }
    }

/* roulang page: category2 */
:root {
    --bg-page: #F3F7FB;
    --bg-card: #FFFFFF;
    --bg-soft: #EAF2F9;
    --bg-deep: #102B42;
    --ink: #1F3448;
    --ink-2: #5A6E80;
    --ink-3: #8A9BA9;
    --primary: #1D6CB3;
    --primary-hover: #155A90;
    --line: #E3ECF3;
    --orange: #F06A2B;
    --success: #1E9E83;
    --radius-lg: 16px;
    --radius-md: 10px;
    --radius-sm: 8px;
    --shadow: 0 10px 30px rgba(26, 73, 110, 0.08);
    --shadow-up: 0 16px 36px rgba(26, 73, 110, 0.13);
  }

  *,
  *::before,
  *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }

  html {
    scroll-behavior: smooth;
  }

  body {
    font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
    background: var(--bg-page);
    color: var(--ink);
    line-height: 1.8;
    font-size: 15px;
    min-height: 100vh;
    margin: 0;
    -webkit-font-smoothing: antialiased;
  }

  img {
    display: block;
    width: 100%;
    max-width: 100%;
  }

  a {
    color: inherit;
    text-decoration: none;
    transition: color .25s;
  }

  ul,
  ol {
    list-style: none;
    padding: 0;
    margin: 0;
  }

  button {
    font: inherit;
    border: 0;
    cursor: pointer;
    background: transparent;
    letter-spacing: .2px;
  }

  input,
  textarea,
  select {
    font: inherit;
    outline: none;
  }

  a:focus-visible,
  button:focus-visible,
  input:focus-visible {
    outline: 2px solid rgba(29, 108, 179, 0.48);
    outline-offset: 2px;
    border-radius: 4px;
  }

  .app-shell {
    display: flex;
    min-width: 320px;
    min-height: 100vh;
  }

  .nav-side {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    width: 280px;
    z-index: 1080;
    background: var(--bg-deep);
    display: flex;
    flex-direction: column;
    padding: 0;
    overflow-y: auto;
    overflow-x: hidden;
  }

  .nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 26px 24px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, .08);
  }

  .brand-mark {
    width: 38px;
    height: 38px;
    border-radius: 11px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 17px;
    color: #fff;
    background: rgba(240, 106, 43, .2);
    flex: 0 0 auto;
  }

  .brand-text {
    font-size: 17px;
    font-weight: 600;
    color: #fff;
    letter-spacing: .5px;
    line-height: 1.4;
    white-space: nowrap;
  }

  .side-menu-wrap {
    flex: 1;
    padding: 14px 14px 20px;
  }

  .side-menu {
    display: flex;
    flex-direction: column;
    gap: 4px;
  }

  .side-menu .menu-label {
    margin: 12px 12px 8px;
    font-size: 11px;
    letter-spacing: 1px;
    color: #6C8CA9;
    white-space: nowrap;
    overflow: hidden;
  }

  .menu-link {
    display: flex;
    align-items: center;
    gap: 14px;
    height: 48px;
    padding: 0 16px;
    border-radius: 12px;
    color: #B7C9D8;
    font-size: 14px;
    font-weight: 500;
    transition: background .25s, color .25s;
  }

  .menu-link i {
    width: 18px;
    text-align: center;
    font-size: 15px;
    flex: 0 0 auto;
  }

  .menu-link:hover {
    color: #fff;
    background: rgba(255, 255, 255, .07);
  }

  .menu-link.active {
    color: #fff;
    background: rgba(255, 255, 255, .09);
    box-shadow: inset 3px 0 0 var(--primary);
  }

  .side-bottom {
    padding: 18px 22px 20px;
    border-top: 1px solid rgba(255, 255, 255, .06);
    color: #62829E;
    font-size: 12px;
    line-height: 2;
    display: flex;
    flex-direction: column;
    gap: 6px;
  }

  .side-bottom i {
    width: 18px;
    margin-right: 4px;
    color: var(--primary);
  }

  .main-panel {
    margin-left: 280px;
    min-width: 0;
    width: 100%;
    min-height: 100vh;
    background: var(--bg-page);
    display: flex;
    flex-direction: column;
  }

  .mobile-topbar {
    display: none;
    height: 64px;
    align-items: center;
    padding: 0 18px;
    background: var(--bg-deep);
    color: #fff;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1090;
    box-shadow: 0 8px 22px rgba(16, 43, 66, .18);
    gap: 10px;
  }

  .mobile-menu-btn {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 18px;
    background: rgba(255, 255, 255, .08);
    transition: background .2s;
  }

  .mobile-menu-btn:hover {
    background: rgba(255, 255, 255, .16);
  }

  .mobile-brand {
    flex: 1;
    text-align: center;
    font-weight: 600;
    font-size: 16px;
    color: #fff;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .mobile-helper {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 15px;
    background: rgba(255, 255, 255, .08);
  }

  .menu-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(16, 43, 66, .56);
    z-index: 1070;
  }

  .menu-backdrop.show {
    display: block;
  }

  .top-toolbar {
    height: 46px;
    background: #fff;
    border-bottom: 1px solid var(--line);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 0 32px;
    position: sticky;
    top: 0;
    z-index: 900;
  }

  .toolbar-current {
    display: flex;
    align-items: center;
    gap: 9px;
    color: var(--ink);
    font-weight: 600;
    font-size: 13px;
  }

  .toolbar-current i {
    width: 16px;
    color: var(--primary);
  }

  .toolbar-actions {
    display: flex;
    align-items: center;
    gap: 14px;
  }

  .toolbar-search {
    border: 1px solid var(--line);
    background: #F8FBFE;
    display: flex;
    align-items: center;
    gap: 8px;
    height: 30px;
    width: 220px;
    border-radius: 20px;
    padding: 0 12px;
    font-size: 12px;
  }

  .toolbar-search i {
    color: var(--ink-3);
    font-size: 12px;
  }

  .toolbar-search input {
    border: 0;
    background: transparent;
    color: var(--ink);
    width: 100%;
    font-size: 12px;
  }

  .toolbar-action-link {
    font-size: 13px;
    font-weight: 600;
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    gap: 6px;
  }

  .toolbar-action-link i {
    font-size: 12px;
    color: var(--orange);
  }

  .page-inner {
    flex: 1;
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 28px 40px 40px;
  }

  .page-hero {
    position: relative;
    border-radius: 22px;
    overflow: hidden;
    background: linear-gradient(103deg, rgba(13, 37, 59, .97) 0%, rgba(16, 55, 88, .88) 48%, rgba(17, 66, 105, .42) 100%), url('/assets/images/backpic/back-2.webp') center / cover no-repeat;
    padding: 42px 44px 42px;
    color: #fff;
    display: flex;
    align-items: center;
    margin-bottom: 34px;
    min-height: 340px;
  }

  .hero-grid {
    display: grid;
    grid-template-columns: 1.1fr .9fr;
    gap: 42px;
    width: 100%;
    align-items: center;
  }

  .hero-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(240, 106, 43, .16);
    color: #FFDEC6;
    border: 1px solid rgba(240, 106, 43, .3);
    font-size: 12px;
    font-weight: 600;
    padding: 5px 13px;
    border-radius: 40px;
    letter-spacing: .4px;
    margin-bottom: 20px;
  }

  .hero-pill i {
    font-size: 11px;
    color: var(--orange);
  }

  .hero-title {
    font-size: clamp(28px, 4vw, 42px);
    line-height: 1.25;
    font-weight: 700;
    color: #fff;
    letter-spacing: .3px;
    margin-bottom: 18px;
  }

  .hero-title span {
    color: #FFC9A3;
  }

  .hero-desc {
    color: #DCE9F6;
    font-size: 15px;
    max-width: 620px;
    line-height: 1.9;
    margin-bottom: 28px;
  }

  .hero-actions {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 14px;
  }

  .btn-solid {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 46px;
    padding: 0 26px;
    border-radius: var(--radius-sm);
    background: var(--primary);
    color: #fff;
    font-weight: 600;
    font-size: 14px;
    letter-spacing: .3px;
    border: 0;
    transition: background .22s, transform .22s, box-shadow .22s;
  }

  .btn-solid:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(21, 90, 144, .22);
    color: #fff;
  }

  .btn-outline-light {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 46px;
    padding: 0 26px;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255, 255, 255, .8);
    color: #fff;
    font-weight: 600;
    font-size: 14px;
    background: transparent;
    transition: background .22s, border .22s;
  }

  .btn-outline-light:hover {
    background: rgba(255, 255, 255, .12);
    border-color: #fff;
    color: #fff;
  }

  .hero-visual {
    position: relative;
    border-radius: 18px;
    overflow: hidden;
    box-shadow: 0 18px 40px rgba(0, 0, 0, .16);
  }

  .hero-visual img {
    height: 264px;
    object-fit: cover;
  }

  .hero-visual-tag {
    position: absolute;
    left: 14px;
    bottom: 14px;
    background: rgba(13, 37, 59, .78);
    color: #fff;
    padding: 8px 14px;
    border-radius: 10px;
    font-size: 12px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    backdrop-filter: blur(4px);
  }

  .hero-visual-tag i {
    color: #FFD14D;
  }

  @media (max-width: 991px) {
    .hero-grid {
      grid-template-columns: 1fr;
      gap: 22px;
    }

    .hero-visual {
      max-width: 480px;
    }
  }

  .section-block {
    margin-bottom: 52px;
  }

  .section-heading {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 22px;
  }

  .section-title {
    font-size: clamp(22px, 2.6vw, 32px);
    font-weight: 700;
    color: var(--ink);
    line-height: 1.4;
    position: relative;
    padding-left: 14px;
  }

  .section-title::before {
    content: "";
    position: absolute;
    left: 0;
    top: 8px;
    bottom: 8px;
    width: 4px;
    border-radius: 3px;
    background: var(--primary);
  }

  .section-sub {
    color: var(--ink-2);
    font-size: 14px;
    max-width: 640px;
    line-height: 1.8;
  }

  .section-more-link {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    color: var(--primary);
    font-size: 13px;
    font-weight: 600;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 20px;
    height: 34px;
    padding: 0 16px;
    white-space: nowrap;
  }

  .section-more-link:hover {
    border-color: var(--primary);
    color: var(--primary-hover);
  }

  .cat-rail {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    margin: -10px 0 34px;
  }

  .cat-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: 1px solid rgba(29, 108, 179, .26);
    background: var(--bg-card);
    color: var(--primary);
    height: 40px;
    padding: 0 18px;
    border-radius: 24px;
    font-size: 13px;
    font-weight: 600;
    transition: all .22s;
  }

  .cat-chip i {
    font-size: 11px;
  }

  .cat-chip:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(29, 108, 179, .15);
  }

  .cat-chip.current {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
  }

  .live-status-tag {
    background: #fff;
    border-radius: 9px;
    border: 1px solid var(--line);
    padding: 5px 13px;
    color: var(--primary);
    font-size: 12px;
    font-weight: 600;
  }

  .live-status-tag.danger {
    color: var(--orange);
    border-color: rgba(240, 106, 43, .4);
  }

  .match-block {
    background: var(--bg-card);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: 24px;
  }

  .match-block + .match-block {
    margin-top: 28px;
  }

  .match-block-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 18px;
  }

  .match-block-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--ink);
    display: flex;
    align-items: center;
    gap: 10px;
  }

  .match-block-title i {
    width: 24px;
    height: 24px;
    border-radius: 7px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    background: rgba(29, 108, 179, .1);
    color: var(--primary);
  }

  .match-block-title .live-orb {
    background: var(--orange);
    border-radius: 26px;
    padding: 3px 10px;
    color: #fff;
    font-weight: 600;
    font-size: 11px;
  }

  .match-note {
    color: var(--ink-3);
    font-size: 12px;
    max-width: 380px;
  }

  .event-row {
    border: 1px solid var(--line);
    border-radius: 14px;
    background: #fff;
    padding: 18px 20px;
    margin-bottom: 12px;
    display: grid;
    grid-template-columns: 118px minmax(0, 1fr) auto;
    align-items: center;
    gap: 16px;
    transition: box-shadow .22s, transform .22s;
  }

  .event-row:hover {
    border-color: rgba(29, 108, 179, .4);
    box-shadow: 0 8px 22px rgba(26, 73, 110, .08);
    transform: translateY(-2px);
  }

  .event-date {
    color: var(--ink-2);
    font-size: 13px;
  }

  .event-date i {
    color: var(--primary);
    width: 16px;
    font-size: 12px;
    margin-right: 5px;
  }

  .event-name {
    font-size: 16px;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 4px;
  }

  .event-meta {
    color: var(--ink-3);
    font-size: 12px;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
  }

  .mini-tag {
    background: var(--bg-soft);
    color: var(--primary);
    font-size: 11px;
    border-radius: 5px;
    padding: 2px 9px;
  }

  .mini-tag.orange {
    background: rgba(240, 106, 43, .08);
    color: var(--orange);
  }

  .event-action {
    display: flex;
    align-items: center;
    gap: 12px;
  }

  .link-arrow {
    color: var(--primary);
    font-size: 13px;
    font-weight: 600;
    white-space: nowrap;
  }

  .link-arrow i {
    font-size: 11px;
    margin-left: 5px;
    transition: transform .2s;
  }

  .link-arrow:hover i {
    transform: translateX(4px);
  }

  @media (max-width: 720px) {
    .event-row {
      grid-template-columns: 1fr;
      gap: 10px;
    }

    .event-action {
      justify-content: flex-end;
    }
  }

  .hscroll-wrap {
    overflow: hidden;
  }

  .hscroll {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: 280px;
    gap: 20px;
    overflow-x: auto;
    padding: 2px 2px 12px;
    scroll-snap-type: x mandatory;
  }

  .hscroll::-webkit-scrollbar,
  .side-menu-wrap::-webkit-scrollbar {
    height: 7px;
    width: 5px;
  }

  .hscroll::-webkit-scrollbar-thumb {
    background: #C5D6E4;
    border-radius: 6px;
  }

  .media-card {
    width: 280px;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--bg-card);
    box-shadow: var(--shadow);
    scroll-snap-align: start;
    display: flex;
    flex-direction: column;
    transition: box-shadow .25s, transform .25s;
  }

  .media-card:hover {
    box-shadow: var(--shadow-up);
    transform: translateY(-4px);
  }

  .media-thumb {
    position: relative;
    height: 178px;
    overflow: hidden;
  }

  .media-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .35s;
  }

  .media-card:hover .media-thumb img {
    transform: scale(1.04);
  }

  .media-thumb .tag-corner {
    position: absolute;
    top: 12px;
    left: 12px;
    background: rgba(16, 43, 66, .78);
    backdrop-filter: blur(4px);
    color: #fff;
    padding: 3px 11px;
    border-radius: 24px;
    font-size: 11px;
    font-weight: 600;
  }

  .media-thumb .play-box {
    position: absolute;
    right: 12px;
    bottom: 12px;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: rgba(29, 108, 179, .94);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
  }

  .media-body {
    padding: 18px 18px 20px;
    display: flex;
    flex: 1;
    flex-direction: column;
  }

  .media-body h3 {
    font-size: 15px;
    line-height: 1.6;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 8px;
  }

  .media-body p {
    color: var(--ink-3);
    font-size: 12px;
    line-height: 1.75;
    margin-bottom: 14px;
  }

  .media-footer {
    margin-top: auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: var(--ink-3);
    font-size: 12px;
  }

  .btn-text-orange {
    color: var(--orange);
    font-weight: 600;
    font-size: 12px;
  }

  .btn-text-orange i {
    font-size: 10px;
    margin-left: 4px;
  }

  .steps-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
  }

  .step-card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 24px 20px;
    position: relative;
    min-height: 160px;
    transition: transform .25s, box-shadow .25s, border-color .25s;
  }

  .step-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-up);
    border-color: rgba(29, 108, 179, .4);
  }

  .step-num {
    width: 32px;
    height: 32px;
    border-radius: 10px;
    background: rgba(29, 108, 179, .1);
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
    margin-bottom: 12px;
  }

  .step-card h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 8px;
  }

  .step-card p {
    color: var(--ink-2);
    font-size: 13px;
    line-height: 1.75;
  }

  .step-card .step-foot {
    display: block;
    margin-top: 12px;
    color: var(--primary);
    font-size: 12px;
    font-weight: 600;
  }

  .faq-wrap {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 24px;
    align-items: start;
  }

  .custom-accordion .accordion-item {
    border: 1px solid var(--line);
    border-radius: 13px;
    background: #fff;
    margin-bottom: 12px;
    overflow: hidden;
    box-shadow: none;
    color: inherit;
    transition: border-color .25s;
  }

  .custom-accordion .accordion-button {
    background: #fff;
    color: var(--ink);
    font-weight: 600;
    font-size: 14px;
    padding: 18px 20px;
    box-shadow: none;
    border: 0;
    gap: 12px;
    position: relative;
  }

  .custom-accordion .accordion-button:not(.collapsed) {
    background: var(--bg-soft);
    color: var(--ink);
  }

  .custom-accordion .accordion-item:has(.accordion-button:not(.collapsed)) {
    border-color: rgba(29, 108, 179, .3);
  }

  .custom-accordion .accordion-button::after {
    display: none;
  }

  .custom-accordion .accordion-icon {
    width: 24px;
    height: 24px;
    flex: 0 0 auto;
    border-radius: 7px;
    background: rgba(29, 108, 179, .1);
    color: var(--primary);
    margin-left: auto;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
  }

  .custom-accordion .accordion-button:not(.collapsed) .accordion-icon {
    transform: rotate(135deg);
    background: var(--primary);
    color: #fff;
    transition: transform .25s, background .2s;
  }

  .custom-accordion .accordion-collapse {
    border: 0;
  }

  .custom-accordion .accordion-body {
    background: var(--bg-soft);
    color: var(--ink-2);
    font-size: 13.5px;
    line-height: 1.9;
    padding: 16px 20px 20px;
    border-radius: 0 0 13px 13px;
  }

  .side-info-card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 24px;
    box-shadow: var(--shadow);
  }

  .side-info-card .card-head {
    font-weight: 700;
    font-size: 16px;
    color: var(--ink);
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 9px;
  }

  .side-info-card .card-head i {
    width: 24px;
    height: 24px;
    border-radius: 7px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(240, 106, 43, .1);
    color: var(--orange);
    font-size: 12px;
  }

  .info-line-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 14px;
    color: var(--ink-2);
    font-size: 13px;
    line-height: 1.7;
  }

  .info-line-item i {
    color: var(--primary);
    font-size: 13px;
    margin-top: 5px;
    width: 14px;
    text-align: center;
  }

  .footer-cta {
    background: linear-gradient(135deg, rgba(240, 106, 43, .96) 0%, rgba(206, 77, 28, .94) 100%);
    border-radius: 22px;
    padding: 34px 36px;
    margin-bottom: 50px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    color: #fff;
    box-shadow: 0 16px 34px rgba(240, 106, 43, .2);
    position: relative;
    overflow: hidden;
  }

  .footer-cta::after {
    content: "\f0e8";
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    position: absolute;
    right: -30px;
    bottom: -38px;
    font-size: 120px;
    opacity: .08;
    color: #fff;
  }

  .footer-cta h2 {
    font-size: 23px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 8px;
    position: relative;
    z-index: 2;
  }

  .footer-cta p {
    color: rgba(255, 255, 255, .92);
    font-size: 14px;
    max-width: 580px;
    margin: 0;
    position: relative;
    z-index: 2;
  }

  .btn-white {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: #fff;
    color: var(--orange);
    height: 46px;
    padding: 0 26px;
    font-size: 14px;
    font-weight: 700;
    border-radius: 10px;
    white-space: nowrap;
    transition: transform .22s, box-shadow .22s;
  }

  .btn-white:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 26px rgba(0, 0, 0, .18);
    color: var(--orange);
  }

  @media (max-width: 760px) {
    .footer-cta {
      flex-direction: column;
      align-items: flex-start;
    }

    .footer-cta .btn-white {
      width: 100%;
    }
  }

  .site-footer {
    background: #102B42;
    color: #C5D5E2;
    padding: 52px 40px 30px;
    margin-top: 0;
  }

  .site-footer .footer-top {
    max-width: 1280px;
    margin: 0 auto;
  }

  .footer-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 18px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 16px;
  }

  .footer-brand .brand-mark {
    background: rgba(240, 106, 43, .18);
    color: #fff;
  }

  .footer-desc {
    max-width: 420px;
    color: #9EB7CB;
    font-size: 13px;
    line-height: 1.85;
    margin-bottom: 16px;
  }

  .footer-title {
    color: #E8F1F8;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: .5px;
    margin-bottom: 16px;
  }

  .footer-link-list {
    list-style: none;
    padding: 0;
    margin: 0;
  }

  .footer-link-list li {
    line-height: 2.1;
  }

  .footer-link-list a {
    color: #AFC4D5;
    display: inline-flex;
    align-items: baseline;
    gap: 7px;
    font-size: 13px;
    transition: color .2s;
  }

  .footer-link-list a i {
    font-size: 10px;
    color: var(--primary);
  }

  .footer-link-list a:hover {
    color: #fff;
  }

  .footer-info p {
    color: #AFC4D5;
    font-size: 13px;
    margin-bottom: 9px;
    display: flex;
    align-items: flex-start;
    gap: 9px;
  }

  .footer-info i {
    color: var(--primary);
    width: 18px;
    margin-top: 6px;
    font-size: 12px;
  }

  .footer-divider {
    border-top: 1px solid rgba(255, 255, 255, .1);
    margin: 30px 0 18px;
  }

  .footer-bottom {
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
    font-size: 12px;
    color: #7A98B0;
  }

  @media (max-width: 992px) {
    .site-footer {
      padding: 40px 24px 24px;
    }
  }

  @media (max-width: 1199.98px) and (min-width: 992px) {
    .nav-side {
      width: 86px;
    }

    .nav-side .nav-brand {
      justify-content: center;
      padding: 24px 10px;
    }

    .nav-side .brand-text,
    .nav-side .side-bottom,
    .menu-text,
    .menu-label {
      display: none;
    }

    .nav-brand .brand-mark {
      width: 42px;
      height: 42px;
      font-size: 18px;
    }

    .side-menu .menu-label {
      display: block;
      width: 18px;
      height: 1px;
      font-size: 0;
      background: rgba(255, 255, 255, .18);
      padding: 0;
      margin: 12px auto 8px;
    }

    .side-menu .menu-link {
      justify-content: center;
      padding: 0;
      height: 50px;
    }

    .main-panel {
      margin-left: 86px;
    }
  }

  @media (max-width: 991.98px) {
    .nav-side {
      display: flex;
      width: 280px;
      transform: translateX(-100%);
      box-shadow: none;
      transition: transform .28s ease;
    }

    .nav-side.mobile-open {
      transform: translateX(0);
      box-shadow: 12px 0 36px rgba(0, 0, 0, .22);
    }

    .nav-side .nav-brand {
      justify-content: flex-start;
      padding: 24px 24px 18px;
    }

    .nav-side .brand-text,
    .nav-side .menu-text {
      display: inline-block;
    }

    .nav-side .side-bottom {
      display: flex;
    }

    .nav-side .menu-label {
      display: block;
      font-size: 11px;
      padding-left: 8px;
      margin: 14px 12px 6px;
    }

    .side-menu .menu-link {
      justify-content: flex-start;
      padding: 0 16px;
      height: 48px;
    }

    .main-panel {
      margin-left: 0;
    }

    .mobile-topbar {
      display: flex;
    }

    .menu-backdrop.show {
      display: block;
    }

    .main-panel {
      padding-top: 64px;
    }

    .top-toolbar {
      position: relative;
      top: auto;
      padding: 0 24px;
    }

    .toolbar-search {
      width: 160px;
    }
  }

  @media (max-width: 575.98px) {
    .page-inner {
      padding: 20px 16px 32px;
    }

    .top-toolbar {
      padding: 0 16px;
      gap: 10px;
    }

    .toolbar-search {
      display: none;
    }

    .page-hero {
      padding: 32px 24px;
      min-height: 320px;
    }

    .hero-visual img {
      height: 210px;
    }

    .section-block {
      margin-bottom: 38px;
    }

    .section-heading {
      flex-direction: column;
      align-items: flex-start;
    }

    .section-more-link {
      align-self: flex-start;
    }

    .steps-grid {
      grid-template-columns: 1fr;
    }

    .faq-wrap {
      grid-template-columns: 1fr;
    }

    .hscroll {
      grid-auto-columns: 240px;
    }

    .media-card {
      width: 240px;
    }

    .media-thumb {
      height: 155px;
    }

    .match-block {
      padding: 18px;
    }

    .pal-card {
      padding: 22px;
    }

    .footer-bottom {
      flex-direction: column;
      justify-content: center;
      text-align: center;
    }
  }

/* roulang page: category4 */
:root {
      --bg: #F3F7FB;
      --card: #FFFFFF;
      --ink: #1F3448;
      --muted: #5A6E80;
      --subtext: #8A9BA9;
      --primary: #1D6CB3;
      --primary-hover: #155A90;
      --primary-soft: rgba(29, 108, 179, 0.1);
      --line: #E3ECF3;
      --info-block: #EAF2F9;
      --navy: #102B42;
      --navy-deep: #0C2238;
      --nav-text: #B7C9D8;
      --accent: #F06A2B;
      --accent-soft: #FFF1E8;
      --success: #1E9E83;
      --danger: #D94A3D;
      --radius-lg: 18px;
      --radius-card: 16px;
      --radius-md: 10px;
      --radius-sm: 8px;
      --shadow-card: 0 10px 30px rgba(26, 73, 110, 0.08);
      --shadow-hover: 0 16px 36px rgba(26, 73, 110, 0.13);
      --font-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      background: var(--bg);
      color: var(--ink);
      font-family: var(--font-cn);
      font-size: 15px;
      line-height: 1.85;
      -webkit-font-smoothing: antialiased;
    }

    *, *::before, *::after {
      box-sizing: border-box;
    }

    a {
      color: var(--primary);
      text-decoration: none;
      transition: color .2s ease;
    }

    a:hover {
      color: var(--primary-hover);
    }

    img {
      max-width: 100%;
      display: block;
    }

    button, input, select, textarea {
      font-family: inherit;
    }

    button:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible {
      outline: 2px solid rgba(29, 108, 179, 0.55);
      outline-offset: 2px;
    }

    .skip-link {
      position: fixed;
      top: -60px;
      left: 16px;
      z-index: 2000;
      background: var(--navy);
      color: #fff;
      padding: 10px 18px;
      border-radius: 0 0 10px 10px;
      transition: top .3s;
    }

    .skip-link:focus {
      top: 0;
      color: #fff;
    }

    /* ========== 桌面端左侧导航 ========== */
    .desktop-sidebar {
      width: 280px;
      background: var(--navy);
      position: fixed;
      top: 0;
      bottom: 0;
      left: 0;
      z-index: 1030;
      display: flex;
      flex-direction: column;
      box-shadow: 6px 0 24px rgba(9, 28, 46, 0.08);
    }

    .sidebar-brand {
      min-height: 94px;
      padding: 22px 24px;
      display: flex;
      align-items: center;
      gap: 12px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      color: #fff;
      text-decoration: none;
    }

    .sidebar-brand:hover {
      color: #fff;
    }

    .brand-icon,
    .footer-brand-mark {
      width: 38px;
      height: 38px;
      flex: 0 0 38px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 11px;
      background: rgba(29, 108, 179, 0.3);
      border: 1px solid rgba(255, 255, 255, 0.14);
      color: #fff;
      font-size: 17px;
    }

    .brand-copy {
      font-size: 17px;
      font-weight: 700;
      letter-spacing: 0.02em;
      line-height: 1.4;
    }

    .side-menu {
      flex: 1;
      padding: 16px 0 18px;
      overflow-y: auto;
      scrollbar-width: thin;
      scrollbar-color: rgba(255,255,255,0.18) transparent;
    }

    .menu-label {
      padding: 8px 26px 8px;
      color: #7D96AB;
      font-size: 12px;
      letter-spacing: 0.12em;
      font-weight: 600;
    }

    .menu-link {
      position: relative;
      display: flex;
      align-items: center;
      gap: 13px;
      height: 48px;
      padding: 0 26px;
      color: var(--nav-text);
      font-size: 15px;
      text-decoration: none;
      transition: background .2s ease, color .2s ease;
    }

    .menu-link i {
      width: 18px;
      text-align: center;
      font-size: 16px;
      flex: 0 0 18px;
    }

    .menu-link:hover {
      background: rgba(255, 255, 255, 0.06);
      color: #fff;
    }

    .menu-link.active {
      background: rgba(255, 255, 255, 0.08);
      color: #fff;
    }

    .menu-link.active::before {
      content: "";
      position: absolute;
      left: 0;
      top: 0;
      bottom: 0;
      width: 4px;
      background: var(--primary);
      border-radius: 0 3px 3px 0;
    }

    .sidebar-footer-info {
      border-top: 1px solid rgba(255, 255, 255, 0.07);
      padding: 18px 22px 16px;
      color: #7D96AB;
      font-size: 12px;
      line-height: 1.8;
    }

    .sidebar-footer-info i {
      width: 16px;
      color: var(--accent);
      margin-right: 2px;
    }

    /* ========== 主内容框架 ========== */
    .main-content {
      margin-left: 280px;
      min-height: 100vh;
      display: flex;
      flex-direction: column;
      background: var(--bg);
    }

    .content-toolbar {
      min-height: 54px;
      background: var(--card);
      border-bottom: 1px solid var(--line);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      padding: 0 36px;
    }

    .toolbar-crumb {
      color: var(--muted);
      font-size: 13px;
      display: flex;
      align-items: center;
      gap: 7px;
    }

    .toolbar-crumb a {
      color: var(--muted);
      font-size: 13px;
      text-decoration: none;
    }

    .toolbar-crumb a:hover {
      color: var(--primary);
    }

    .toolbar-crumb i {
      color: var(--subtext);
      font-size: 11px;
    }

    .toolbar-status {
      display: flex;
      align-items: center;
      gap: 8px;
      color: var(--muted);
      font-size: 13px;
    }

    .toolbar-status .status-dot {
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--success);
      box-shadow: 0 0 0 4px rgba(30, 158, 131, 0.12);
    }

    .page-main {
      width: 100%;
      max-width: 1380px;
      padding: 34px 40px 54px;
      margin: 0 auto;
      flex: 1;
    }

    /* ========== 分类 Hero ========== */
    .category-hero {
      background: var(--card);
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-card);
      overflow: hidden;
      display: grid;
      grid-template-columns: minmax(0, 1.16fr) minmax(0, 0.84fr);
    }

    .hero-copy-area {
      padding: 40px 44px;
      display: flex;
      flex-direction: column;
      align-items: flex-start;
    }

    .hero-overline {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: var(--primary-soft);
      color: var(--primary);
      border-radius: 999px;
      padding: 5px 14px;
      font-size: 12px;
      font-weight: 600;
      letter-spacing: 0.04em;
      margin-bottom: 16px;
    }

    .hero-overline i {
      font-size: 12px;
    }

    .category-hero h1 {
      margin: 0 0 18px;
      font-size: clamp(29px, 4vw, 42px);
      line-height: 1.3;
      font-weight: 700;
      letter-spacing: -0.02em;
      color: var(--ink);
    }

    .category-hero h1 .hl-accent {
      color: var(--primary);
    }

    .hero-lead {
      margin: 0 0 24px;
      color: var(--muted);
      font-size: 16px;
      max-width: 620px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }

    .btn-brand {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background: var(--primary);
      border: 1px solid var(--primary);
      color: #fff;
      font-weight: 600;
      min-height: 46px;
      padding: 0 24px;
      border-radius: var(--radius-sm);
      transition: transform .2s ease, background .2s ease, box-shadow .2s ease;
    }

    .btn-brand:hover {
      background: var(--primary-hover);
      border-color: var(--primary-hover);
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 10px 20px rgba(29, 108, 179, 0.18);
    }

    .btn-outline-brand {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background: transparent;
      border: 1.5px solid var(--primary);
      color: var(--primary);
      font-weight: 600;
      min-height: 46px;
      padding: 0 22px;
      border-radius: var(--radius-sm);
      transition: background .2s ease, transform .2s ease;
    }

    .btn-outline-brand:hover {
      background: rgba(29, 108, 179, 0.06);
      color: var(--primary-hover);
      border-color: var(--primary-hover);
      transform: translateY(-2px);
    }

    .hero-media-area {
      min-height: 300px;
      position: relative;
      background: var(--info-block);
    }

    .hero-media-area img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      position: absolute;
      inset: 0;
    }

    .hero-image-stamp {
      position: absolute;
      left: 20px;
      bottom: 20px;
      display: inline-flex;
      align-items: center;
      gap: 10px;
      background: rgba(16, 43, 66, 0.86);
      border: 1px solid rgba(255, 255, 255, 0.14);
      padding: 9px 15px;
      border-radius: 12px;
      color: #fff;
      backdrop-filter: blur(6px);
      font-size: 13px;
    }

    .hero-image-stamp i {
      color: #FFC9A6;
    }

    /* ========== 分类入口标签 ========== */
    .channel-tabs {
      margin: 22px 0 4px;
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 10px;
    }

    .channel-tabs .tabs-label {
      color: var(--subtext);
      font-size: 13px;
      margin-right: 2px;
    }

    .cat-chip {
      display: inline-flex;
      align-items: center;
      background: var(--card);
      border: 1px solid var(--line);
      color: var(--muted);
      padding: 7px 17px;
      border-radius: 999px;
      font-size: 13px;
      font-weight: 500;
      transition: all .2s ease;
      text-decoration: none;
    }

    .cat-chip:hover {
      border-color: var(--primary);
      color: var(--primary);
      transform: translateY(-1px);
    }

    .cat-chip.active {
      background: var(--primary);
      border-color: var(--primary);
      color: #fff;
      box-shadow: 0 8px 18px rgba(29, 108, 179, 0.16);
    }

    /* ========== 通用section ========== */
    .content-section {
      margin-top: 56px;
    }

    .section-head {
      position: relative;
      padding-left: 18px;
      margin-bottom: 24px;
    }

    .section-head::before {
      content: "";
      position: absolute;
      left: 0;
      top: 5px;
      bottom: 6px;
      width: 4px;
      background: var(--primary);
      border-radius: 3px;
    }

    .section-head .section-eyebrow {
      color: var(--primary);
      font-size: 13px;
      font-weight: 600;
      letter-spacing: 0.04em;
      margin-bottom: 4px;
      display: flex;
      align-items: center;
      gap: 7px;
    }

    .section-head h2 {
      margin: 0;
      font-size: clamp(23px, 2.6vw, 31px);
      font-weight: 700;
      line-height: 1.35;
      color: var(--ink);
    }

    .section-head p {
      margin: 9px 0 0;
      color: var(--muted);
      max-width: 780px;
      font-size: 15px;
    }

    /* ========== 积分路径（场景条） ========== */
    .path-strip {
      display: flex;
      align-items: stretch;
      justify-content: space-between;
      background: var(--navy);
      border-radius: 16px;
      padding: 0;
      box-shadow: 0 12px 26px rgba(16, 43, 66, 0.1);
      overflow: hidden;
    }

    .path-item {
      flex: 1;
      display: flex;
      align-items: center;
      gap: 13px;
      padding: 18px 22px;
      min-width: 0;
      color: #fff;
    }

    .path-item .path-icon {
      width: 40px;
      height: 40px;
      flex: 0 0 40px;
      background: rgba(255, 255, 255, 0.08);
      border-radius: 12px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 16px;
      color: #A9C7DE;
    }

    .path-item small {
      display: block;
      color: #8FA8BC;
      font-size: 11px;
      letter-spacing: .04em;
    }

    .path-item strong {
      display: block;
      color: #fff;
      font-size: 15px;
      font-weight: 600;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .path-divider {
      width: 34px;
      flex: 0 0 34px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: #5C768D;
      font-size: 14px;
      border-left: 1px dashed rgba(255, 255, 255, 0.12);
    }

    /* ========== 兑换规则卡 ========== */
    .rule-stack {
      display: grid;
      grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
      gap: 22px;
      align-items: stretch;
    }

    .rule-card {
      position: relative;
      background: var(--card);
      border: 1px solid var(--line);
      border-radius: var(--radius-card);
      box-shadow: var(--shadow-card);
      padding: 32px 32px 30px;
      transition: transform .25s ease, box-shadow .25s ease;
    }

    .rule-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
    }

    .rule-card.theme-limit {
      background: var(--info-block);
      border-color: #D4E4EF;
    }

    .rule-card-header {
      display: flex;
      align-items: center;
      gap: 13px;
      margin-bottom: 18px;
    }

    .rule-card-header .rule-card-icon {
      width: 43px;
      height: 43px;
      flex: 0 0 43px;
      border-radius: 12px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: var(--primary-soft);
      color: var(--primary);
      font-size: 17px;
    }

    .rule-card-header h3 {
      margin: 0;
      font-size: 20px;
      font-weight: 700;
      line-height: 1.35;
    }

    .rule-list {
      list-style: none;
      margin: 0;
      padding: 0;
    }

    .rule-list li {
      display: flex;
      gap: 12px;
      padding: 11px 0;
      border-bottom: 1px dashed var(--line);
    }

    .rule-list li:last-child {
      border-bottom: 0;
    }

    .rule-list li > i {
      color: var(--success);
      font-size: 15px;
      margin-top: 4px;
    }

    .rule-list strong {
      display: block;
      font-size: 15px;
      color: var(--ink);
    }

    .rule-list span {
      color: var(--muted);
      font-size: 14px;
      line-height: 1.7;
    }

    .limit-item {
      display: grid;
      grid-template-columns: 92px minmax(0, 1fr);
      gap: 8px 14px;
      padding: 12px 0;
      border-bottom: 1px dashed rgba(29, 108, 179, 0.15);
    }

    .limit-item:last-child {
      border-bottom: 0;
    }

    .limit-item .limit-key {
      color: var(--primary);
      font-weight: 600;
      font-size: 14px;
      line-height: 1.6;
    }

    .limit-item .limit-desc {
      color: var(--muted);
      font-size: 14px;
      line-height: 1.7;
    }

    .rule-foot-note {
      margin-top: 16px;
      display: flex;
      gap: 10px;
      align-items: flex-start;
      background: #fff;
      border: 1px solid var(--line);
      border-radius: 12px;
      padding: 12px 14px;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.7;
    }

    .rule-foot-note i {
      color: var(--accent);
      margin-top: 3px;
    }

    /* ========== 兑换推荐 ========== */
    .reward-grid {
      --bs-gutter-x: 24px;
      --bs-gutter-y: 24px;
    }

    .reward-card {
      background: var(--card);
      border: 1px solid var(--line);
      border-radius: var(--radius-card);
      box-shadow: var(--shadow-card);
      display: flex;
      min-height: 236px;
      overflow: hidden;
      transition: transform .25s ease, box-shadow .25s ease;
      height: 100%;
    }

    .reward-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
    }

    .reward-card-media {
      width: 42%;
      min-height: 220px;
      background: var(--info-block);
    }

    .reward-card-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .reward-card-body {
      flex: 1;
      padding: 24px 22px;
      display: flex;
      flex-direction: column;
      align-items: flex-start;
      justify-content: center;
    }

    .reward-card-tag {
      display: inline-flex;
      align-items: center;
      gap: 5px;
      background: var(--accent-soft);
      color: #C14E14;
      font-size: 12px;
      font-weight: 600;
      padding: 4px 11px;
      border-radius: 999px;
      margin-bottom: 12px;
    }

    .reward-card h3 {
      font-size: 19px;
      font-weight: 700;
      margin: 0 0 8px;
      color: var(--ink);
    }

    .reward-card p {
      color: var(--muted);
      font-size: 14px;
      margin-bottom: 13px;
      line-height: 1.7;
    }

    .reward-meta {
      margin-top: auto;
      display: flex;
      align-items: baseline;
      gap: 6px;
      color: var(--muted);
      font-size: 14px;
      flex-wrap: wrap;
      margin-bottom: 13px;
    }

    .reward-meta strong {
      color: var(--ink);
      font-size: 20px;
      font-weight: 700;
    }

    .reward-card .btn-mini {
      display: inline-flex;
      align-items: center;
      min-height: 36px;
      border-radius: 8px;
      padding: 0 16px;
      font-size: 14px;
      font-weight: 600;
      cursor: pointer;
    }

    .stagger-down {
      margin-top: 20px;
    }

    .reward-more-link {
      margin-top: 22px;
      text-align: right;
    }

    .reward-more-link a {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      color: var(--primary);
      font-weight: 600;
      font-size: 14px;
      text-decoration: none;
    }

    .reward-more-link a i {
      transition: transform .2s ease;
    }

    .reward-more-link a:hover i {
      transform: translateX(4px);
    }

    /* ========== 操作指引 ========== */
    .guide-board {
      background: var(--card);
      border: 1px solid var(--line);
      border-radius: var(--radius-card);
      box-shadow: var(--shadow-card);
      padding: 26px 28px;
      display: grid;
      grid-template-columns: 1fr 1fr 1fr 1fr;
      gap: 0;
    }

    .guide-step {
      position: relative;
      padding: 14px 18px;
    }

    .guide-step + .guide-step {
      border-left: 1px solid var(--line);
    }

    .guide-step .step-num {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-width: 28px;
      height: 28px;
      border-radius: 9px;
      background: var(--primary-soft);
      color: var(--primary);
      font-weight: 700;
      font-size: 13px;
      padding: 0 7px;
      margin-bottom: 10px;
    }

    .guide-step h3 {
      font-size: 16px;
      font-weight: 700;
      margin: 0 0 6px;
    }

    .guide-step p {
      margin: 0;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.7;
    }

    /* ========== FAQ ========== */
    .custom-accordion .accordion-item {
      background: var(--card);
      border: 1px solid var(--line);
      border-radius: 12px !important;
      overflow: hidden;
      margin-bottom: 12px;
      box-shadow: 0 3px 10px rgba(26, 73, 110, 0.04);
    }

    .custom-accordion .accordion-button {
      background: var(--card);
      color: var(--ink);
      font-weight: 600;
      font-size: 15px;
      padding: 16px 18px;
      box-shadow: none;
      border: 0;
      transition: background .2s ease;
    }

    .custom-accordion .accordion-button:not(.collapsed) {
      background: var(--info-block);
      color: var(--primary);
    }

    .custom-accordion .accordion-button::after {
      content: "+";
      background-image: none !important;
      font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
      width: auto;
      height: auto;
      color: var(--primary);
      font-size: 22px;
      font-weight: 300;
      line-height: 1;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      transform: none;
      transition: transform .25s ease;
    }

    .custom-accordion .accordion-button:not(.collapsed)::after {
      content: "×";
      color: var(--primary);
      transform: rotate(90deg);
    }

    .custom-accordion .accordion-body {
      padding: 4px 18px 18px;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.8;
      background: var(--info-block);
      border-top: 1px solid rgba(29, 108, 179, 0.08);
    }

    .custom-accordion .accordion-button:focus {
      box-shadow: none;
    }

    .faq-grid {
      --bs-gutter-x: 28px;
    }

    .faq-column {
      min-width: 0;
    }

    /* ========== 咨询 CTA ========== */
    .consult-band {
      margin-top: 54px;
      background: var(--navy);
      border-radius: var(--radius-lg);
      padding: 32px 36px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
      box-shadow: 0 18px 34px rgba(16, 43, 66, 0.14);
    }

    .consult-band-icon {
      width: 54px;
      height: 54px;
      flex: 0 0 54px;
      border-radius: 16px;
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.14);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      color: #FFC9A6;
    }

    .consult-band-body {
      flex: 1;
      min-width: 0;
    }

    .consult-band-body h2 {
      color: #fff;
      font-size: 21px;
      font-weight: 700;
      margin: 0 0 6px;
    }

    .consult-band-body p {
      color: #AFC1D0;
      font-size: 14px;
      margin: 0;
      max-width: 760px;
      line-height: 1.8;
    }

    .consult-band-actions {
      display: flex;
      align-items: center;
      gap: 12px;
      flex-wrap: wrap;
      justify-content: flex-end;
    }

    .consult-band-actions .service-time {
      color: #AFC1D0;
      font-size: 13px;
    }

    .service-time i {
      color: var(--accent);
    }

    /* ========== Footer ========== */
    .footer {
      background: var(--navy-deep);
      color: #AFC1D0;
      margin-top: 48px;
      position: relative;
      z-index: 2;
    }

    .footer-top {
      padding: 48px 36px 30px;
    }

    .footer-brand {
      display: flex;
      align-items: center;
      gap: 11px;
      color: #fff;
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 13px;
    }

    .footer-desc {
      color: #AFC1D0;
      font-size: 13px;
      line-height: 1.9;
      max-width: 520px;
      margin-bottom: 12px;
    }

    .footer-link-list {
      list-style: none;
      margin: 0;
      padding: 0;
    }

    .footer-link-list li {
      margin-bottom: 6px;
    }

    .footer-link-list a {
      color: #B7C9D8;
      font-size: 14px;
      text-decoration: none;
      transition: all .2s ease;
      display: inline-flex;
      align-items: center;
      gap: 5px;
    }

    .footer-link-list a:hover {
      color: #fff;
      padding-left: 3px;
    }

    .footer-link-list a i {
      color: var(--primary);
      font-size: 11px;
    }

    .footer-title {
      color: #fff;
      font-size: 15px;
      font-weight: 600;
      margin-bottom: 13px;
      letter-spacing: .02em;
    }

    .footer-info p {
      margin-bottom: 6px;
      color: #AFC1D0;
      font-size: 14px;
    }

    .footer-info i {
      width: 20px;
      color: #6E8CA6;
      margin-right: 4px;
    }

    .footer-divider {
      background: rgba(255, 255, 255, 0.08);
      height: 1px;
      width: 100%;
      margin: 0 auto;
    }

    .footer-bottom {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      padding: 15px 36px 18px;
      color: #7D96AB;
      font-size: 12px;
      flex-wrap: wrap;
    }

    .footer-bottom span:last-child {
      color: #60788D;
    }

    /* ========== 移动端头部与抽屉 ========== */
    .mobile-header {
      display: none;
      position: fixed;
      top: 0;
      right: 0;
      left: 0;
      height: 62px;
      z-index: 1040;
      background: var(--navy);
      align-items: center;
      justify-content: space-between;
      padding: 0 14px;
      box-shadow: 0 4px 16px rgba(16, 43, 66, 0.16);
    }

    .mobile-header-btn {
      width: 42px;
      height: 42px;
      flex: 0 0 42px;
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.14);
      border-radius: 11px;
      color: #fff;
      font-size: 17px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      transition: background .2s;
    }

    .mobile-header-btn:hover {
      background: rgba(255, 255, 255, 0.15);
      color: #fff;
    }

    .mobile-header-brand {
      display: flex;
      align-items: center;
      gap: 8px;
      color: #fff;
      font-size: 17px;
      font-weight: 700;
      text-decoration: none;
    }

    .mobile-header-brand i {
      color: #FFC9A6;
      font-size: 16px;
    }

    .mobile-header-right {
      width: 42px;
      height: 42px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
    }

    .mobile-drawer-canvas {
      width: 286px;
      max-width: 86vw;
      background: var(--navy);
      color: var(--nav-text);
    }

    .mobile-drawer-canvas .offcanvas-header {
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .drawer-brand {
      display: flex;
      align-items: center;
      gap: 10px;
      color: #fff;
      font-weight: 700;
      font-size: 17px;
      text-decoration: none;
    }

    .drawer-brand:hover {
      color: #fff;
    }

    .drawer-brand .brand-icon {
      width: 34px;
      height: 34px;
      flex-basis: 34px;
      font-size: 15px;
    }

    .close-drawer {
      color: #AFC1D0;
      background: transparent;
      border: 0;
      font-size: 17px;
      width: 36px;
      height: 36px;
      border-radius: 9px;
    }

    .close-drawer:hover {
      color: #fff;
      background: rgba(255, 255, 255, 0.08);
    }

    .mobile-side-menu {
      padding: 14px 0 20px;
    }

    /* ========== 响应式断点 ========== */
    @media (min-width: 992px) and (max-width: 1199.98px) {
      .desktop-sidebar {
        width: 84px;
      }

      .main-content {
        margin-left: 84px;
      }

      .desktop-sidebar .sidebar-brand {
        justify-content: center;
        padding: 22px 10px;
      }

      .desktop-sidebar .sidebar-brand .brand-copy,
      .desktop-sidebar .menu-text {
        display: none;
      }

      .desktop-sidebar .menu-link {
        justify-content: center;
        padding: 0 14px;
      }

      .desktop-sidebar .menu-link i {
        width: 19px;
      }

      .desktop-sidebar .menu-label {
        text-align: center;
        padding: 8px 0;
        font-size: 11px;
      }

      .desktop-sidebar .sidebar-footer-info {
        padding: 16px 8px;
        text-align: center;
      }

      .desktop-sidebar .sidebar-footer-info p {
        font-size: 11px;
        line-height: 1.6;
      }
    }

    @media (min-width: 768px) and (max-width: 991.98px) {
      .page-main {
        padding: 26px 24px 48px;
      }

      .content-toolbar {
        padding: 0 24px;
      }

      .category-hero {
        grid-template-columns: 1fr;
      }

      .hero-media-area {
        min-height: 240px;
        order: -1;
      }

      .hero-media-area img {
        position: static;
        height: 240px;
      }

      .hero-image-stamp {
        bottom: 16px;
        left: 16px;
      }

      .path-strip {
        flex-wrap: wrap;
      }

      .path-item {
        flex: 1 1 48%;
      }

      .path-divider {
        display: none;
      }

      .rule-stack {
        grid-template-columns: 1fr;
      }

      .guide-board {
        grid-template-columns: 1fr 1fr;
        gap: 12px 0;
      }

      .guide-step + .guide-step {
        border-left: 0;
      }

      .guide-step:nth-child(even)::before {
        content: none;
      }

      .guide-step:nth-child(odd) {
        border-right: 1px solid var(--line);
      }

      .reward-card {
        flex-direction: column;
      }

      .reward-card-media {
        width: 100%;
        min-height: 190px;
      }

      .reward-card-media img {
        height: 190px;
      }

      .consult-band {
        flex-direction: column;
        align-items: flex-start;
      }

      .consult-band-actions {
        justify-content: flex-start;
      }

      .footer-top {
        padding-left: 24px;
        padding-right: 24px;
      }
    }

    @media (max-width: 991.98px) {
      .desktop-sidebar {
        display: none;
      }

      .main-content {
        margin-left: 0;
        padding-top: 62px;
      }

      .mobile-header {
        display: flex;
      }
    }

    @media (max-width: 767.98px) {
      .content-toolbar {
        padding: 0 16px;
        min-height: 50px;
      }

      .toolbar-status {
        display: none;
      }

      .page-main {
        padding: 20px 16px 42px;
      }

      .category-hero {
        border-radius: 14px;
      }

      .hero-copy-area {
        padding: 28px 22px;
      }

      .category-hero h1 {
        font-size: 26px;
        line-height: 1.35;
      }

      .hero-lead {
        font-size: 14px;
      }

      .hero-actions .btn-brand,
      .hero-actions .btn-outline-brand {
        flex: 1;
        min-height: 44px;
        padding: 0 14px;
        font-size: 14px;
      }

      .cat-chip {
        font-size: 13px;
        padding: 7px 14px;
      }

      .section-head p {
        font-size: 14px;
      }

      .content-section {
        margin-top: 44px;
      }

      .path-item {
        flex: 1 1 100%;
        padding: 14px 18px;
      }

      .path-divider {
        display: none;
      }

      .rule-card {
        padding: 24px 20px;
      }

      .reward-card-media {
        width: 100%;
        min-height: 170px;
      }

      .reward-card-media img {
        height: 170px;
      }

      .reward-card {
        flex-direction: column;
      }

      .reward-card-body {
        padding: 20px 18px;
      }

      .stagger-down {
        margin-top: 0;
      }

      .guide-board {
        grid-template-columns: 1fr;
        padding: 14px 18px;
      }

      .guide-step {
        border-bottom: 1px solid var(--line);
        padding: 16px 4px;
      }

      .guide-step:last-child {
        border-bottom: 0;
      }

      .guide-step + .guide-step {
        border-left: 0;
      }

      .consult-band {
        padding: 24px 20px;
      }

      .consult-band-icon {
        width: 46px;
        height: 46px;
        flex-basis: 46px;
      }

      .consult-band-body h2 {
        font-size: 18px;
      }

      .footer-top {
        padding: 34px 20px 20px;
      }

      .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
        padding: 14px 20px 18px;
      }
    }

    @media (max-width: 575.98px) {
      .hero-media-area {
        min-height: 190px;
      }

      .hero-media-area img {
        height: 190px;
      }

      .section-head h2 {
        font-size: 22px;
      }

      .section-head p {
        font-size: 14px;
      }

      .rule-card-header {
        align-items: flex-start;
      }

      .rule-list strong,
      .rule-card-header h3 {
        font-size: 17px;
      }

      .rule-list span,
      .limit-item .limit-desc {
        font-size: 13px;
      }

      .limit-item {
        grid-template-columns: 76px minmax(0, 1fr);
      }

      .reward-card h3 {
        font-size: 18px;
      }

      .reward-meta strong {
        font-size: 18px;
      }

      .consult-band-actions {
        width: 100%;
      }

      .consult-band-actions .btn-brand,
      .consult-band-actions .btn-outline-brand {
        width: 100%;
      }

      .mobile-header-brand {
        font-size: 16px;
      }
    }