/* roulang page: index */
:root {
  --bg-site: #EFF1F8;
  --bg-soft: #F5F4FB;
  --surface-card: #FFFFFF;
  --ink-deep: #171C2E;
  --ink-navy: #252A52;
  --brand-deep-start: #151A33;
  --brand-deep-end: #232C55;
  --brand-deep-touch: #2D2E61;
  --amber: #EFB84A;
  --amber-deep: #DBA539;
  --amber-soft: #F8E4BC;
  --teal: #1E8E94;
  --text-main: #2D3350;
  --text-aux: #55607A;
  --text-quiet: #8A93AD;
  --border-card: #E3E4F0;
  --text-on-dark: #EDF0F8;
  --text-on-dark-soft: #C2C8DF;
  --positive: #4FBF9F;
  --warning: #E28C56;
  --radius-card-lg: 24px;
  --radius-card: 16px;
  --radius-control: 12px;
  --radius-pill: 999px;
  --shadow-card: 0 10px 24px rgba(23,27,63,.07);
  --shadow-card-lg: 0 18px 40px rgba(23,27,63,.10);
  --transition-smooth: all .24s ease;
  --container-max: 1200px;
  --space-section: clamp(56px, 8vw, 88px);
}
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
  font-size: 16px;
}
body {
  background: var(--bg-site);
  color: var(--text-main);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", system-ui, sans-serif;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  display: block;
  border: 0;
}
a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-smooth);
}
button, input, select, textarea {
  font: inherit;
  color: inherit;
}
ul, ol, li {
  list-style: none;
}
h1, h2, h3, h4, h5, h6 {
  font-family: inherit;
  color: var(--ink-navy);
  line-height: 1.3;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 55;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(227,228,240,.9);
  box-shadow: 0 6px 24px rgba(23,27,63,.04);
}
.header-top {
  padding-top: 12px;
  padding-bottom: 8px;
}
.header-top .grid-x {
  align-items: center;
}
.brand-lockup {
  display: flex;
  align-items: center;
  gap: 12px;
}
.brand-icon {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: linear-gradient(142deg, var(--brand-deep-start), var(--brand-deep-end));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--amber);
  font-size: 21px;
  box-shadow: 0 6px 18px rgba(21,26,51,.25);
}
.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.brand-name {
  font-size: 18px;
  font-weight: 800;
  color: var(--ink-deep);
  letter-spacing: .3px;
}
.brand-sub {
  font-size: 12px;
  color: var(--text-aux);
  letter-spacing: 1px;
  margin-top: 3px;
}
.header-search {
  display: flex;
  align-items: center;
  background: #F4F6FC;
  border: 1px solid var(--border-card);
  border-radius: 999px;
  height: 44px;
  padding: 0 18px;
  max-width: 420px;
  margin-left: auto;
  transition: var(--transition-smooth);
}
.header-search:focus-within {
  border-color: var(--amber);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(239,184,74,.18);
}
.header-search svg, .header-search i {
  color: var(--text-quiet);
  font-size: 15px;
}
.header-search input {
  border: none;
  background: transparent;
  margin-left: 8px;
  width: 100%;
  outline: none;
  font-size: 14px;
}
.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--amber);
  color: #241E10;
  font-size: 14px;
  font-weight: 700;
  border-radius: 999px;
  padding: 10px 22px;
  height: 44px;
  line-height: 1;
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition-smooth);
  box-shadow: 0 8px 22px rgba(239,184,74,.26);
  white-space: nowrap;
}
.header-cta:hover {
  background: var(--amber-deep);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(239,184,74,.33);
}
.header-cta:focus-visible {
  outline: 3px solid rgba(239,184,74,.6);
  outline-offset: 2px;
}
.channel-nav {
  padding: 8px 0 12px;
  overflow-x: auto;
  scrollbar-width: none;
}
.channel-nav::-webkit-scrollbar {
  display: none;
}
.channel-pills {
  display: flex;
  gap: 10px;
  align-items: center;
  min-width: max-content;
}
.pill-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 18px;
  border-radius: var(--radius-pill);
  background: #F3F4FB;
  color: var(--text-aux);
  font-size: 14px;
  font-weight: 600;
  border: 1px solid transparent;
  line-height: 1.2;
  transition: var(--transition-smooth);
  white-space: nowrap;
}
.pill-link i {
  font-size: 13px;
  opacity: .75;
}
.pill-link:hover {
  color: var(--ink-deep);
  background: #EAECF6;
  transform: translateY(-1px);
}
.pill-link.active {
  background: var(--ink-deep);
  color: #fff;
  box-shadow: 0 8px 18px rgba(21,26,51,.22);
}
.pill-link:focus-visible {
  outline: 3px solid rgba(239,184,74,.7);
  outline-offset: 2px;
}
.site-hero {
  position: relative;
  min-height: clamp(560px, 88vh, 720px);
  display: flex;
  align-items: center;
  background: linear-gradient(142deg, rgba(21,26,51,.82), rgba(35,44,85,.76)), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  overflow: hidden;
  padding: 84px 0 130px;
  isolation: isolate;
}
.site-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(620px 280px at 18% 12%, rgba(239,184,74,.18), transparent 62%);
  pointer-events: none;
  z-index: 0;
}
.star-node {
  position: absolute;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #fff;
  opacity: .55;
  box-shadow: 0 0 8px rgba(255,255,255,.7);
  z-index: 1;
  animation: twinkle 4s ease-in-out infinite;
}
@keyframes twinkle {
  0%, 100% { opacity: .35; transform: scale(.9); }
  50% { opacity: .9; transform: scale(1.2); }
}
.site-hero .grid-container {
  position: relative;
  z-index: 2;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(237,240,248,.16);
  padding: 8px 16px;
  border-radius: 999px;
  color: var(--text-on-dark-soft);
  font-size: 13px;
  letter-spacing: .4px;
  backdrop-filter: blur(4px);
}
.hero-eyebrow i {
  color: var(--amber);
}
.hero-title {
  font-size: clamp(34px, 5.2vw, 58px);
  font-weight: 800;
  line-height: 1.14;
  color: #fff;
  margin: 22px 0 12px;
  letter-spacing: -0.4px;
}
.hero-title .mdash {
  color: var(--amber);
  font-weight: 400;
  margin: 0 6px;
}
.hero-lead {
  max-width: 640px;
  font-size: clamp(16px, 2vw, 18px);
  line-height: 1.85;
  color: var(--text-on-dark-soft);
  margin: 18px 0 0;
}
.hero-actions {
  display: flex;
  gap: 14px;
  margin-top: 34px;
  flex-wrap: wrap;
  align-items: center;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 600;
  border-radius: var(--radius-control);
  padding: 13px 28px;
  font-size: 15px;
  line-height: 1;
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition-smooth);
  text-align: center;
}
.btn-amber {
  background: var(--amber);
  color: #211B08;
  font-weight: 700;
  box-shadow: 0 10px 24px rgba(239,184,74,.22);
}
.btn-amber:hover {
  background: var(--amber-deep);
  transform: translateY(-2px);
  box-shadow: 0 15px 32px rgba(239,184,74,.3);
}
.btn-ghost-light {
  background: transparent;
  border-color: rgba(237,240,248,.5);
  color: var(--text-on-dark);
  backdrop-filter: blur(4px);
}
.btn-ghost-light:hover {
  background: rgba(255,255,255,.12);
  border-color: rgba(237,240,248,.85);
  transform: translateY(-2px);
}
.btn:focus-visible {
  outline: 3px solid rgba(239,184,74,.55);
  outline-offset: 3px;
}
.hero-card {
  background: rgba(20,26,48,.58);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(237,240,248,.16);
  border-radius: var(--radius-card-lg);
  padding: 32px;
  color: #fff;
  box-shadow: 0 24px 60px rgba(4,6,20,.35);
  position: relative;
}
.hero-card .hc-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 14px;
  color: var(--text-on-dark-soft);
  border-bottom: 1px solid rgba(255,255,255,.1);
  padding-bottom: 14px;
  margin-bottom: 22px;
}
.status-dot {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--positive);
  font-size: 13px;
}
.status-dot::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--positive);
  box-shadow: 0 0 0 4px rgba(79,191,159,.2);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(79,191,159,.4); }
  70% { box-shadow: 0 0 0 10px rgba(79,191,159,0); }
  100% { box-shadow: 0 0 0 0 rgba(79,191,159,0); }
}
.hc-list {
  display: flex;
  flex-direction: column;
  gap: 13px;
}
.hc-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: rgba(255,255,255,.05);
  border-radius: 14px;
}
.hc-row i {
  color: var(--amber);
  width: 22px;
  text-align: center;
}
.hc-row .hc-label {
  color: var(--text-on-dark-soft);
  font-size: 13px;
}
.hc-row .hc-value {
  font-weight: 700;
  color: #fff;
  font-size: 15px;
  margin-left: auto;
}
.hc-row .hc-value small {
  color: var(--text-on-dark-soft);
  font-weight: 400;
  font-size: 12px;
  margin-left: 6px;
}
.metric-panel-wrap {
  position: relative;
  z-index: 20;
  margin-top: -90px;
}
.metric-panel {
  background: #fff;
  border-radius: var(--radius-card-lg);
  box-shadow: var(--shadow-card-lg);
  border: 1px solid var(--border-card);
  padding: 34px 32px;
  margin-bottom: var(--space-section);
}
.metric-panel .metric-card {
  padding: 12px 8px;
  position: relative;
}
.metric-card .metric-badge {
  width: fit-content;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: rgba(30,142,148,.1);
  color: var(--teal);
  font-size: 12px;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 999px;
  margin-bottom: 8px;
}
.metric-value {
  font-size: clamp(36px, 4.6vw, 52px);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--ink-deep);
  line-height: 1.1;
  letter-spacing: -0.5px;
}
.metric-value small {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-aux);
  margin-left: 4px;
}
.metric-caption {
  font-size: 14px;
  color: var(--text-aux);
  margin-top: 10px;
}
.metric-delta {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-size: 13px;
  font-weight: 600;
  color: var(--positive);
  margin-top: 6px;
  background: rgba(79,191,159,.08);
  padding: 3px 8px;
  border-radius: 999px;
}
.metric-delta.alt {
  color: var(--warning);
  background: rgba(226,140,86,.1);
}
.section-block {
  padding: var(--space-section) 0;
}
.section-block.bg-soft {
  background: var(--bg-soft);
}
.section-head {
  margin-bottom: 40px;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  letter-spacing: 2px;
  color: var(--teal);
  font-weight: 700;
  text-transform: uppercase;
}
.eyebrow::before {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--amber);
  border-radius: 99px;
  display: inline-block;
}
.section-head h2 {
  margin: 12px 0 10px;
  font-size: clamp(26px, 3.2vw, 36px);
  font-weight: 800;
  color: var(--ink-deep);
}
.section-head p {
  max-width: 760px;
  color: var(--text-aux);
  font-size: 16px;
  margin-top: 0;
}
.service-card {
  background: #fff;
  border-radius: var(--radius-card-lg);
  padding: 30px 32px;
  border: 1px solid var(--border-card);
  box-shadow: var(--shadow-card);
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
  height: 100%;
  position: relative;
  overflow: hidden;
}
.service-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card-lg);
}
.service-card .sc-icon {
  font-size: 28px;
  color: var(--ink-navy);
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(37,42,82,.08);
  border-radius: 18px;
  margin-bottom: 20px;
}
.service-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
}
.service-card p {
  color: var(--text-aux);
  font-size: 15px;
  line-height: 1.75;
  flex: 1;
}
.tag-row {
  margin-top: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.tag {
  background: #F3F4FB;
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 12px;
  color: var(--text-aux);
}
.tag.amber-tag {
  background: var(--amber-soft);
  color: #5d4a16;
}
.card-arrow {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--teal);
  font-weight: 600;
  margin-top: 20px;
  font-size: 14px;
}
.card-arrow i {
  transition: transform .2s ease;
}
.service-card:hover .card-arrow i {
  transform: translateX(4px);
}
.feature-wide {
  background: linear-gradient(135deg, #171C2E, #232C55 55%);
  border-color: transparent;
  color: #fff;
}
.feature-wide h3 {
  color: #fff;
  font-size: 24px;
}
.feature-wide p {
  color: var(--text-on-dark-soft);
}
.feature-wide .sc-icon {
  background: rgba(239,184,74,.16);
  color: var(--amber);
}
.wide-main-row {
  align-items: stretch;
  margin-bottom: 24px;
}
.wide-sub-card {
  background: #fff;
  border: 1px solid var(--border-card);
  border-radius: var(--radius-card-lg);
  padding: 26px;
  height: 100%;
  box-shadow: var(--shadow-card);
  transition: var(--transition-smooth);
}
.wide-sub-card:hover {
  box-shadow: var(--shadow-card-lg);
  transform: translateY(-2px);
}
.wide-sub-card .sub-card-head {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 700;
  color: var(--ink-navy);
  margin-bottom: 12px;
}
.wide-sub-card .sub-card-head i {
  color: var(--amber-deep);
}
.wide-sub-card .sub-card-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-main);
}
.wide-sub-card p {
  color: var(--text-aux);
  font-size: 14px;
  line-height: 1.7;
}
.compare-card {
  background: #fff;
  padding: 34px;
  border-radius: var(--radius-card-lg);
  box-shadow: var(--shadow-card);
  border: 1px solid var(--border-card);
  height: 100%;
}
.compare-card .cc-badge {
  font-weight: 800;
  font-size: 17px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-card);
  margin-bottom: 22px;
}
.compare-card .cc-badge i {
  color: var(--text-quiet);
}
.compare-card.right-card {
  border-top: 3px solid var(--amber);
  background: linear-gradient(180deg, rgba(239,184,74,.04), #fff 60%);
  box-shadow: var(--shadow-card-lg);
}
.compare-card.right-card .cc-badge i {
  color: var(--amber-deep);
}
.compare-card .cc-badge.good i {
  color: var(--teal);
}
.compare-body {
  display: grid;
  gap: 10px;
}
.cmp-row {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}
.cmp-mark {
  width: 24px;
  height: 24px;
  border-radius: 8px;
  flex-shrink: 0;
  background: rgba(79,191,159,.16);
  color: var(--teal);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
}
.bad-version .cmp-mark {
  background: rgba(226,140,86,.12);
  color: var(--warning);
}
.cmp-text {
  flex: 1;
}
.cmp-title {
  font-weight: 600;
  font-size: 15px;
}
.cmp-sub {
  color: var(--text-aux);
  font-size: 13px;
  line-height: 1.5;
}
.cmp-value {
  color: var(--teal);
  font-weight: 700;
  font-size: 13px;
  margin-left: auto;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}
.bad-version .cmp-value {
  color: var(--text-quiet);
}
.news-card-item {
  position: relative;
  background: #fff;
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--border-card);
  transition: var(--transition-smooth);
  height: 100%;
}
.news-card-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-lg);
}
.news-thumb {
  position: relative;
  aspect-ratio: 16/9;
  background: #E9ECF5;
  overflow: hidden;
}
.news-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.news-card-item:hover .news-thumb img {
  transform: scale(1.04);
}
.news-body {
  padding: 18px 20px 22px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.news-label {
  align-items: center;
  display: flex;
  justify-content: space-between;
  gap: 8px;
  color: var(--text-quiet);
  font-size: 12px;
  margin-bottom: 8px;
}
.news-label .badge {
  background: rgba(30,142,148,.12);
  color: var(--teal);
  font-weight: 600;
  font-size: 12px;
  padding: 3px 10px;
  border-radius: 999px;
  display: inline-flex;
  gap: 4px;
  align-items: center;
}
.news-title {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  margin: 8px 0 6px;
  color: var(--text-main);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 3.2em;
  transition: color .2s;
}
.news-card-item:hover .news-title {
  color: var(--teal);
}
.news-excerpt {
  color: var(--text-aux);
  font-size: 14px;
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 10px;
  flex: 1;
}
.news-more {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--teal);
  font-size: 14px;
  font-weight: 600;
}
.news-more i {
  transition: transform .2s;
}
.news-card-item:hover .news-more i {
  transform: translateX(3px);
}
.news-empty-block {
  border: 1px dashed #CBCEE3;
  background: #F8F9FD;
  border-radius: var(--radius-card);
  padding: 48px 20px;
  text-align: center;
  color: var(--text-quiet);
}
.news-empty-block i {
  font-size: 26px;
  margin-bottom: 10px;
  display: block;
  opacity: .5;
}
.contact-form {
  background: linear-gradient(142deg, var(--brand-deep-start), var(--brand-deep-touch));
  border-radius: 28px;
  padding: clamp(30px, 5vw, 50px);
  position: relative;
  overflow: hidden;
}
.contact-form::after {
  content: "";
  position: absolute;
  right: -120px;
  top: -120px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(239,184,74,.18), transparent 65%);
  pointer-events: none;
}
.section-head.light h2 {
  color: #fff;
}
.section-head.light p {
  color: var(--text-on-dark-soft);
}
.form-card {
  background: #fff;
  border-radius: var(--radius-card-lg);
  padding: clamp(24px, 3vw, 40px);
  box-shadow: var(--shadow-card-lg);
  max-width: 880px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}
.form-card .form-label {
  display: block;
  font-weight: 600;
  font-size: 14px;
  color: var(--text-main);
  margin-bottom: 8px;
}
.form-card input[type=text], .form-card input[type=tel], .form-card input[type=email], .form-card select, .form-card textarea {
  width: 100%;
  height: 48px;
  border: 1px solid #D8DBE9;
  border-radius: var(--radius-control);
  padding: 0 16px;
  font-size: 14px;
  background: #FBFBFE;
  transition: var(--transition-smooth);
  margin-bottom: 10px;
  color: var(--text-main);
}
.form-card textarea {
  height: auto;
  padding: 12px 16px;
  line-height: 1.6;
}
.form-card input:focus, .form-card select:focus, .form-card textarea:focus {
  outline: none;
  border-color: var(--ink-deep);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(37,42,82,.14);
}
.form-card input::placeholder, .form-card textarea::placeholder {
  color: #9CA3BE;
  font-size: 14px;
}
.form-help {
  font-size: 13px;
  color: var(--text-quiet);
  margin-bottom: 8px;
}
.form-msg {
  padding: 10px 16px;
  border-radius: 10px;
  font-size: 14px;
  display: none;
  margin-bottom: 14px;
  border: 1px solid rgba(79,191,159,.3);
  background: rgba(79,191,159,.1);
  color: #1a6e6a;
}
.faq-wrap {
  background: #fff;
  border: 1px solid var(--border-card);
  border-radius: var(--radius-card-lg);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}
.faq-wrap .accordion-item {
  border: none;
  border-radius: 0;
  background: transparent;
  border-bottom: 1px solid var(--border-card);
  overflow: hidden;
}
.faq-wrap .accordion-item:last-child {
  border-bottom: none;
}
.faq-wrap .accordion-title {
  position: relative;
  padding: 20px 28px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  border: none;
  background: transparent;
  line-height: 1.5;
  transition: background .2s ease;
}
.faq-wrap .accordion-title::before {
  content: "\f067";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  position: absolute;
  right: 22px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--teal);
  font-size: 15px;
  width: 30px;
  height: 30px;
  background: rgba(30,142,148,.1);
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform .25s ease, color .2s, background .2s;
}
.faq-wrap .accordion-title:hover,
.faq-wrap .accordion-title:focus {
  background: #F7F8FD;
  color: var(--ink-deep);
}
.faq-wrap .accordion-title:focus-visible {
  outline: 2px solid rgba(239,184,74,.7);
  outline-offset: -2px;
  z-index: 2;
}
.faq-wrap .accordion-item.is-active > .accordion-title {
  color: var(--teal);
  background: rgba(30,142,148,.03);
}
.faq-wrap .accordion-item.is-active > .accordion-title::before {
  content: "\f068";
  transform: translateY(-50%) rotate(180deg);
  background: var(--teal);
  color: #fff;
}
.faq-wrap .accordion-content {
  padding: 0 28px 24px;
  border-top: 0 !important;
  background: transparent;
  color: var(--text-aux);
  line-height: 1.8;
}
.faq-wrap .accordion-content p {
  border-left: 3px solid rgba(239,184,74,.55);
  padding-left: 16px;
  font-size: 15px;
  color: var(--text-aux);
}
.site-footer {
  background: var(--ink-deep);
  color: var(--text-on-dark-soft);
  padding: 60px 0 28px;
  margin-top: 40px;
}
.footer-brand-name {
  color: #fff;
  font-size: 20px;
  font-weight: 800;
}
.footer-brand-txt {
  font-size: 14px;
  color: var(--text-on-dark-soft);
  line-height: 1.8;
  margin-top: 14px;
  margin-bottom: 20px;
}
.footer-column-title {
  color: #fff;
  font-weight: 700;
  font-size: 15px;
  margin-bottom: 16px;
}
.footer-links a {
  display: block;
  color: var(--text-on-dark-soft);
  padding: 5px 0;
  font-size: 14px;
}
.footer-links a:hover {
  color: var(--amber);
  padding-left: 5px;
}
.footer-links a i {
  font-size: 12px;
  margin-right: 8px;
  color: var(--amber);
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  margin-top: 30px;
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  color: var(--text-on-dark-soft);
  font-size: 13px;
}
.footer-bottom a {
  color: var(--text-on-dark-soft);
}
.footer-bottom a:hover {
  color: var(--amber);
}
.footer-star {
  color: var(--amber);
  margin-right: 4px;
}
.to-top {
  position: fixed;
  right: 20px;
  bottom: 30px;
  width: 46px;
  height: 46px;
  background: var(--ink-deep);
  color: var(--amber);
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: all .3s ease;
  border: 1px solid rgba(239,184,74,.3);
  box-shadow: 0 12px 28px rgba(21,26,51,.3);
  z-index: 50;
}
.to-top.show {
  opacity: 1;
  pointer-events: auto;
}
.to-top:hover {
  background: var(--ink-navy);
  transform: translateY(-3px);
}
.to-top:focus-visible {
  outline: 3px solid rgba(239,184,74,.6);
}
[data-animate] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s ease, transform .7s ease;
}
[data-animate].is-visible {
  opacity: 1;
  transform: none;
}
.grid-container {
  max-width: var(--container-max);
  padding-left: 22px;
  padding-right: 22px;
}
@media screen and (max-width: 1024px) {
  .metric-panel {
    padding: 26px 18px;
  }
  .hero-card-wrap {
    margin-top: 36px;
  }
  .site-hero {
    min-height: auto;
    padding: 66px 0 130px;
  }
  .header-search {
    display: none;
  }
}
@media screen and (max-width: 768px) {
  .brand-name {
    font-size: 16px;
  }
  .header-cta {
    padding: 0 16px;
    height: 40px;
    font-size: 13px;
  }
  .channel-pills {
    gap: 8px;
  }
  .pill-link {
    padding: 9px 14px;
    font-size: 13px;
  }
  .section-block {
    padding: 48px 0;
  }
  .metric-panel {
    margin-top: -74px;
  }
  .metric-value {
    font-size: 38px;
  }
  .section-head h2 {
    font-size: 26px;
    line-height: 1.3;
  }
  .contact-form {
    border-radius: 18px;
  }
  .hero-actions .btn {
    width: 100%;
  }
  .faq-wrap .accordion-title {
    padding: 18px 46px 18px 16px;
    font-size: 15px;
  }
  .faq-wrap .accordion-content {
    padding: 0 18px 20px;
  }
  .site-footer {
    padding: 42px 0 22px;
  }
  .form-card {
    padding: 24px;
  }
}
@media screen and (max-width: 520px) {
  .brand-sub {
    display: none;
  }
  .brand-icon {
    width: 36px;
    height: 36px;
    font-size: 17px;
    border-radius: 12px;
  }
  .brand-name {
    font-size: 15px;
  }
  .header-cta small {
    display: none;
  }
  .header-cta i {
    font-size: 16px;
  }
  .pill-link {
    padding: 8px 12px;
  }
  .pill-link i {
    display: none;
  }
  .hero-title {
    font-size: 34px;
  }
  .hero-card {
    padding: 20px;
  }
  .compare-card {
    padding: 24px;
  }
  .service-card {
    padding: 24px;
  }
}

/* roulang page: article */
:root {
  --bg-soft: #EFF1F8;
  --bg-cloud: #F5F4FB;
  --surface: #FFFFFF;
  --ink-deep: #151A33;
  --indigo-deep: #252A52;
  --violet-deep: #2D2E61;
  --amber: #EFB84A;
  --amber-dark: #DBA539;
  --teal: #1E8E94;
  --pos-green: #4FBF9F;
  --warn: #E28C56;
  --text-main: #2D3350;
  --text-sub: #55607A;
  --text-weak: #8A93AD;
  --border-card: #E3E4F0;
  --dark-text: #EDF0F8;
  --dark-weak: #C2C8DF;
  --radius-xl: 24px;
  --radius-lg: 20px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --radius-pill: 999px;
  --shadow-card: 0 10px 24px rgba(23,27,63,.07);
  --shadow-float: 0 18px 40px rgba(23,27,63,.10);
  --shadow-header: 0 8px 28px rgba(8,12,32,.24);
  --transition: .22s ease;
  --font-sans: "PingFang SC","Microsoft YaHei","Noto Sans CJK SC","Source Han Sans SC","Helvetica Neue",Arial,sans-serif;
  --font-data: "DIN Alternate","Bahnschrift","PingFang SC","Microsoft YaHei",sans-serif;
}

*, *::before, *::after {
  box-sizing: border-box;
}
html, body {
  margin: 0;
  padding: 0;
}
body {
  font-family: var(--font-sans);
  background: var(--bg-soft);
  color: var(--text-main);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
  border: 0;
}
a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition), background var(--transition), border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}
a:hover, a:focus {
  outline: none;
}
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 3px solid rgba(239,184,74,.7);
  outline-offset: 3px;
  border-radius: 4px;
}
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== 双层导航 ===== */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  z-index: 999;
  background: linear-gradient(142deg, rgba(21,26,51,.92), rgba(37,42,82,.86));
  color: var(--dark-text);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,255,255,.06);
  box-shadow: 0 2px 12px rgba(3,7,28,.18);
  transition: box-shadow var(--transition), background var(--transition);
}
.site-header.is-scrolled {
  box-shadow: var(--shadow-header);
}
.site-header .grid-container {
  max-width: 1200px;
}
.header-top {
  padding: 18px 0 12px;
  gap: 8px;
}
.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--dark-text);
  text-decoration: none;
}
.brand-icon {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(142deg, var(--amber), #F6D68B);
  color: var(--ink-deep);
  font-size: 19px;
  border-radius: 12px;
  box-shadow: 0 6px 16px rgba(239,184,74,.28);
}
.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
}
.brand-name {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: .02em;
  color: #FFFFFF;
  white-space: nowrap;
}
.brand-sub {
  margin-top: 4px;
  font-size: 12px;
  color: var(--dark-weak);
  letter-spacing: .14em;
  text-transform: uppercase;
}
.header-search {
  position: relative;
  max-width: 440px;
  width: 100%;
  margin: 0 auto;
}
.header-search i {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--dark-weak);
  font-size: 14px;
  pointer-events: none;
}
.header-search input {
  width: 100%;
  height: 42px;
  border: 1px solid rgba(255,255,255,.14);
  border-radius: var(--radius-pill);
  background: rgba(255,255,255,.08);
  padding: 0 18px 0 42px;
  font-size: 14px;
  color: #FFFFFF;
  transition: border-color var(--transition), background var(--transition), box-shadow var(--transition);
}
.header-search input::placeholder {
  color: rgba(237,240,248,.6);
}
.header-search input:focus {
  border-color: var(--amber);
  background: rgba(255,255,255,.12);
  box-shadow: 0 0 0 4px rgba(239,184,74,.18);
}
.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 42px;
  padding: 0 22px;
  background: var(--amber);
  color: var(--ink-deep);
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 800;
  box-shadow: 0 8px 20px rgba(239,184,74,.24);
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  white-space: nowrap;
}
.header-cta:hover {
  background: #F6C662;
  color: var(--ink-deep);
  transform: translateY(-2px);
  box-shadow: 0 12px 26px rgba(239,184,74,.34);
}
.header-cta small {
  font-size: 14px;
}
.channel-nav {
  padding: 4px 0 14px;
}
.channel-pills {
  display: flex;
  align-items: center;
  gap: 10px;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding: 2px 0;
}
.channel-pills::-webkit-scrollbar {
  display: none;
}
.pill-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 38px;
  padding: 0 18px;
  border-radius: var(--radius-pill);
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.08);
  color: var(--dark-weak);
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
  transition: all var(--transition);
}
.pill-link:hover {
  color: #FFFFFF;
  background: rgba(255,255,255,.12);
  border-color: rgba(255,255,255,.16);
}
.pill-link.active {
  background: var(--amber);
  border-color: var(--amber);
  color: var(--ink-deep);
  box-shadow: 0 6px 18px rgba(239,184,74,.2);
}

/* ===== 文章正文页主体 ===== */
.article-main-region {
  position: relative;
  padding: 64px 0 80px;
}
.article-frame {
  max-width: 960px;
  width: 100%;
  margin: 0 auto;
  background: var(--surface);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card);
  padding: clamp(28px, 5vw, 68px);
}
.article-post-head {
  margin-bottom: 36px;
  padding-bottom: 28px;
  border-bottom: 1px solid #ECEDF4;
}
.article-head-labels {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 16px;
}
.article-cat {
  display: inline-flex;
  align-items: center;
  height: 30px;
  padding: 0 14px;
  border-radius: var(--radius-pill);
  background: rgba(37,42,82,.08);
  border: 1px solid rgba(37,42,82,.08);
  color: var(--indigo-deep);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .02em;
}
.article-cat:hover {
  background: rgba(37,42,82,.14);
}
.read-pill {
  display: inline-flex;
  align-items: center;
  height: 30px;
  padding: 0 14px;
  border-radius: var(--radius-pill);
  background: rgba(30,142,148,.1);
  color: var(--teal);
  font-size: 13px;
  font-weight: 700;
}
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 13px;
  color: var(--text-weak);
  margin-bottom: 18px;
  line-height: 1.6;
}
.breadcrumb a {
  color: var(--text-sub);
  font-weight: 600;
}
.breadcrumb a:hover {
  color: var(--amber-dark);
}
.breadcrumb i {
  font-size: 11px;
  color: #B7BDCF;
  margin: 0 2px;
}
.breadcrumb span {
  color: var(--text-weak);
  max-width: 360px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.article-post-head h1 {
  margin: 0 0 20px;
  color: var(--ink-deep);
  font-size: clamp(26px, 3.5vw, 40px);
  line-height: 1.28;
  font-weight: 800;
  letter-spacing: .01em;
}
.article-meta-line {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  column-gap: 22px;
  row-gap: 8px;
  color: var(--text-sub);
  font-size: 14px;
}
.article-meta-line span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}
.article-meta-line i {
  color: var(--text-weak);
  font-size: 13px;
}
.article-cat-piece {
  color: var(--amber-dark);
  font-weight: 700;
}

/* ===== 正文内容排版 ===== */
.article-body-content {
  color: #39415E;
  font-size: 17px;
  line-height: 1.9;
  word-break: break-word;
}
.article-body-content > p {
  margin: 0 0 26px;
}
.article-body-content a {
  color: var(--teal);
  border-bottom: 1px solid rgba(30,142,148,.3);
  font-weight: 600;
}
.article-body-content a:hover {
  color: var(--amber-dark);
  border-bottom-color: var(--amber);
}
.article-body-content h2 {
  font-size: 25px;
  font-weight: 800;
  color: var(--ink-deep);
  line-height: 1.4;
  margin: 46px 0 18px;
  padding-left: 16px;
  border-left: 4px solid var(--amber);
}
.article-body-content h3 {
  font-size: 20px;
  font-weight: 800;
  color: var(--indigo-deep);
  line-height: 1.45;
  margin: 40px 0 14px;
}
.article-body-content h4 {
  font-size: 18px;
  font-weight: 800;
  color: var(--text-main);
  margin: 32px 0 12px;
}
.article-body-content ul,
.article-body-content ol {
  margin: 0 0 28px;
  padding-left: 1.6em;
}
.article-body-content li {
  margin-bottom: 10px;
  line-height: 1.8;
}
.article-body-content li::marker {
  color: var(--amber-dark);
}
.article-body-content blockquote {
  margin: 32px 0;
  padding: 22px 26px;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  border-left: 4px solid var(--amber);
  background: #FBF7ED;
  color: var(--text-sub);
  font-size: 16px;
}
.article-body-content blockquote p {
  margin-bottom: 0;
}
.article-body-content img {
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  margin: 32px auto;
  width: auto;
  max-width: 100%;
  height: auto;
}
.article-body-content figure {
  margin: 32px 0;
}
.article-body-content figure img {
  margin: 0 0 12px;
}
.article-body-content figcaption {
  font-size: 13px;
  color: var(--text-weak);
  text-align: center;
  margin-top: 8px;
}
.article-body-content table {
  width: 100%;
  max-width: 100%;
  border-collapse: collapse;
  margin: 32px 0;
  font-size: 15px;
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.article-body-content th,
.article-body-content td {
  border: 1px solid #E7E9F3;
  padding: 12px 14px;
  text-align: left;
  vertical-align: top;
}
.article-body-content th {
  background: #F2F3FA;
  color: var(--indigo-deep);
  font-weight: 700;
}
.article-body-content pre {
  background: #141929;
  color: #DEE3F5;
  border-radius: var(--radius-md);
  padding: 18px 20px;
  overflow-x: auto;
  margin: 28px 0;
  font-size: 14px;
  line-height: 1.7;
}
.article-body-content code {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  background: rgba(37,42,82,.08);
  color: var(--indigo-deep);
  padding: 2px 6px;
  border-radius: 6px;
  font-size: .9em;
}
.article-body-content pre code {
  background: transparent;
  padding: 0;
  color: inherit;
}
.article-body-content hr {
  border: 0;
  border-top: 1px solid var(--border-card);
  margin: 40px 0;
}
.article-body-content strong {
  font-weight: 800;
  color: #232a47;
}

/* 标签区 */
.article-tags {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid #EDEEF5;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  flex-wrap: wrap;
}
.tags-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-sub);
  font-size: 14px;
  font-weight: 700;
  padding-top: 4px;
}
.tags-wrap {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tag-pill {
  display: inline-flex;
  align-items: center;
  height: 30px;
  padding: 0 14px;
  border-radius: var(--radius-pill);
  background: #F4F4FB;
  border: 1px solid #E4E5F0;
  color: var(--text-sub);
  font-size: 13px;
  font-weight: 600;
}
.tag-pill:hover {
  background: var(--amber);
  border-color: var(--amber);
  color: var(--ink-deep);
  transform: translateY(-1px);
}

/* ===== 相关推荐 ===== */
.related-panel {
  margin-top: 56px;
}
.related-panel-title {
  font-size: 22px;
  font-weight: 800;
  color: var(--ink-deep);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 22px;
}
.related-panel-title i {
  color: var(--amber-dark);
  font-size: 18px;
}
.related-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  background: var(--surface);
  border: 1px solid var(--border-card);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 8px 20px rgba(23,27,63,.05);
  transition: transform var(--transition), box-shadow var(--transition);
}
.related-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-float);
}
.related-thumb {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #E8EAF3;
}
.related-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.related-card:hover .related-thumb img {
  transform: scale(1.045);
}
.related-thumb::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(21,26,51,0) 58%, rgba(21,26,51,.18) 100%);
  pointer-events: none;
}
.related-cat {
  position: absolute;
  left: 14px;
  top: 14px;
  z-index: 2;
  height: 28px;
  display: inline-flex;
  align-items: center;
  padding: 0 13px;
  border-radius: var(--radius-pill);
  background: rgba(37,42,82,.7);
  backdrop-filter: blur(8px);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
}
.related-body {
  padding: 20px 22px 24px;
}
.related-body h3 {
  font-size: 18px;
  font-weight: 800;
  line-height: 1.55;
  color: var(--ink-deep);
  margin: 0 0 10px;
}
.related-body p {
  color: var(--text-sub);
  font-size: 14px;
  line-height: 1.7;
  margin: 0 0 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.related-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 800;
  color: var(--indigo-deep);
}
.related-link i {
  transition: transform var(--transition);
}
.related-link:hover i {
  transform: translateX(4px);
}
.related-back-row {
  text-align: center;
  margin-top: 30px;
}
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  height: 46px;
  padding: 0 26px;
  border: 1px solid #C7CBDF;
  border-radius: var(--radius-pill);
  color: var(--indigo-deep);
  font-size: 15px;
  font-weight: 700;
  background: transparent;
  transition: all var(--transition);
}
.btn-outline:hover {
  background: var(--indigo-deep);
  border-color: var(--indigo-deep);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 10px 22px rgba(37,42,82,.16);
}

/* ===== 空态 ===== */
.empty-article-card {
  max-width: 720px;
  margin: 60px auto;
  background: #FFFFFF;
  border: 1px solid var(--border-card);
  border-radius: var(--radius-xl);
  text-align: center;
  padding: 70px 34px;
  box-shadow: var(--shadow-card);
}
.empty-visual {
  width: 74px;
  height: 74px;
  margin: 0 auto 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: #F3F4FA;
  color: var(--text-weak);
  font-size: 26px;
}
.empty-article-card h1 {
  font-size: 24px;
  color: var(--ink-deep);
  font-weight: 800;
  margin: 0 0 12px;
}
.empty-article-card p {
  color: var(--text-sub);
  font-size: 15px;
  margin: 0 0 28px;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: 48px;
  padding: 0 30px;
  border-radius: var(--radius-pill);
  background: linear-gradient(142deg, var(--amber), #F2C76B);
  color: var(--ink-deep);
  font-size: 15px;
  font-weight: 800;
  box-shadow: 0 10px 22px rgba(239,184,74,.24);
  transition: transform var(--transition), box-shadow var(--transition), filter var(--transition);
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 30px rgba(239,184,74,.34);
  filter: brightness(1.02);
  color: var(--ink-deep);
}

/* ===== 全站页脚 ===== */
.site-footer {
  background: var(--ink-deep);
  color: var(--dark-weak);
  margin-top: 0;
  padding: 58px 0 34px;
  font-size: 14px;
}
.site-footer .grid-container {
  max-width: 1200px;
}
.footer-brand-name {
  color: #FFFFFF;
  font-size: 20px;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}
.footer-star {
  color: var(--amber);
  font-size: 16px;
}
.footer-brand-txt {
  color: var(--dark-weak);
  line-height: 1.9;
  font-size: 14px;
  max-width: 320px;
}
.footer-column-title {
  color: #FFFFFF;
  font-weight: 800;
  font-size: 15px;
  margin-bottom: 16px;
  letter-spacing: .03em;
}
.footer-links {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
}
.footer-links a,
.footer-links span {
  padding: 5px 0;
  color: var(--dark-weak);
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  line-height: 1.6;
}
.footer-links a:hover {
  color: var(--amber);
}
.footer-links i {
  font-size: 11px;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  margin-top: 50px;
  padding-top: 28px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  color: rgba(237,240,248,.5);
  font-size: 13px;
}
.footer-bottom p {
  margin: 0;
}
.footer-bottom i {
  margin-right: 4px;
}

/* ===== 响应式 ===== */
@media screen and (max-width: 1024px) {
  .article-main-region {
    padding: 46px 0 60px;
  }
  .article-frame {
    padding: 42px;
  }
  .footer-bottom {
    justify-content: flex-start;
  }
}
@media screen and (max-width: 768px) {
  .site-header .grid-container {
    padding-left: 16px;
    padding-right: 16px;
  }
  .header-top {
    padding-top: 14px;
  }
  .brand-icon {
    width: 34px;
    height: 34px;
    font-size: 16px;
    border-radius: 10px;
  }
  .brand-name {
    font-size: 16px;
  }
  .brand-sub {
    font-size: 11px;
  }
  .header-cta {
    height: 38px;
    padding: 0 14px;
    font-size: 13px;
    gap: 6px;
  }
  .channel-nav {
    padding-bottom: 10px;
  }
  .pill-link {
    height: 34px;
    font-size: 13px;
    padding: 0 14px;
    gap: 6px;
  }
  .article-main-region {
    padding: 28px 0 44px;
  }
  .article-frame {
    padding: 30px 22px;
    border-radius: 18px;
  }
  .article-post-head h1 {
    font-size: 25px;
  }
  .article-body-content {
    font-size: 16px;
  }
  .article-body-content h2 {
    font-size: 22px;
  }
  .article-body-content h3 {
    font-size: 19px;
  }
  .article-body-content blockquote {
    padding: 18px;
  }
  .related-panel {
    margin-top: 40px;
  }
  .related-card {
    margin-bottom: 22px;
  }
  .footer-column-title {
    margin-top: 20px;
  }
}
@media screen and (max-width: 520px) {
  .brand-sub {
    display: none;
  }
  .brand-name {
    font-size: 15px;
    white-space: normal;
  }
  .brand-lockup {
    gap: 8px;
  }
  .article-meta-line {
    gap: 6px 12px;
    font-size: 13px;
  }
  .article-frame {
    padding: 24px 16px;
    border-radius: 16px;
  }
  .article-post-head h1 {
    font-size: 22px;
  }
  .breadcrumb span {
    max-width: 180px;
  }
  .article-body-content {
    font-size: 15.5px;
  }
  .article-body-content table {
    font-size: 14px;
  }
  .article-tags {
    gap: 10px;
    flex-direction: column;
  }
  .related-body {
    padding: 18px;
  }
  .related-body h3 {
    font-size: 17px;
  }
  .btn-outline {
    width: 100%;
    justify-content: center;
  }
  .empty-article-card {
    padding: 40px 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition: none !important;
    animation: none !important;
  }
}

/* roulang page: category1 */
:root {
  --bg-page: #EFF1F8;
  --bg-soft: #F5F4FB;
  --surface: #FFFFFF;
  --surface-muted: #F8F9FD;
  --ink: #2D3350;
  --ink-muted: #55607A;
  --ink-placeholder: #8A93AD;
  --line: #E4E5F0;
  --line-strong: #C9CCE0;
  --dark: #171C2E;
  --deep: #232C55;
  --night: #151A33;
  --amber: #EFB84A;
  --amber-hover: #DBA539;
  --teal: #1E8E94;
  --teal-bright: #4FBF9F;
  --warning: #E28C56;
  --radius-large: 24px;
  --radius-medium: 16px;
  --radius-small: 12px;
  --radius-pill: 999px;
  --shadow-card: 0 10px 24px rgba(23, 27, 63, 0.07);
  --shadow-card-hover: 0 18px 40px rgba(23, 27, 63, 0.11);
  --shadow-deep: 0 22px 46px rgba(23, 27, 63, 0.14);
  --font-stack: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --transition: all .25s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg-page);
  color: var(--ink);
  font-family: var(--font-stack);
  font-size: 16px;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
}

img {
  max-width: 100%;
  display: block;
  border: 0;
}

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

button,
input,
select,
textarea {
  font-family: inherit;
  font-size: 100%;
  color: var(--ink);
}

input:focus,
textarea:focus,
select:focus,
button:focus,
a:focus-visible {
  outline: 3px solid rgba(239, 184, 74, .65);
  outline-offset: 3px;
}

.grid-container {
  max-width: 1200px;
  padding-left: 24px;
  padding-right: 24px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(21, 26, 51, 0.96);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  box-shadow: 0 12px 30px rgba(15, 18, 38, 0.22);
}

.site-header .grid-container {
  max-width: 1280px;
}

.header-top {
  padding: 13px 0 9px;
}

.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  max-width: 100%;
  border-radius: var(--radius-small);
}

.brand-icon {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(145deg, #EFB84A, #E29F31);
  color: #171C2E;
  font-size: 20px;
  box-shadow: 0 6px 18px rgba(239, 184, 74, 0.2);
  flex: 0 0 auto;
}

.brand-text {
  display: inline-flex;
  flex-direction: column;
  line-height: 1.2;
  min-width: 0;
}

.brand-name {
  color: #FFFFFF;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: .02em;
  white-space: nowrap;
}

.brand-sub {
  color: rgba(237, 240, 248, 0.66);
  font-size: 12px;
  letter-spacing: .08em;
  margin-top: 3px;
}

.header-search {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 44px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-pill);
  padding: 0 6px 0 15px;
  transition: var(--transition);
}

.header-search:hover {
  border-color: rgba(239, 184, 74, 0.45);
}

.header-search>i {
  color: #C2C8DF;
  font-size: 14px;
}

.header-search input {
  background: transparent;
  border: 0;
  box-shadow: none;
  color: #F2F4FB;
  height: 38px;
  line-height: 38px;
  width: 100%;
  font-size: 14px;
  margin: 0;
  padding: 0;
}

.header-search input::placeholder {
  color: rgba(194, 200, 223, 0.75);
}

.header-search input:focus {
  background: transparent;
  box-shadow: none;
  border: 0;
  outline: 0;
}

.header-cta {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  height: 42px;
  border-radius: var(--radius-pill);
  background: linear-gradient(145deg, #EFB84A, #E9AE3C);
  color: #171C2E;
  font-size: 14px;
  font-weight: 700;
  padding: 0 16px;
  white-space: nowrap;
  transition: var(--transition);
  box-shadow: 0 6px 16px rgba(239, 184, 74, 0.18);
}

.header-cta small {
  font-size: 13px;
  font-weight: 700;
}

.header-cta:hover {
  background: linear-gradient(145deg, #F6C75F, #EFB84A);
  transform: translateY(-2px);
  color: #171C2E;
  box-shadow: 0 10px 24px rgba(239, 184, 74, 0.28);
}

.channel-nav {
  overflow: hidden;
  padding-bottom: 7px;
}

.channel-pills {
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  gap: 8px;
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding-top: 5px;
}

.channel-pills::-webkit-scrollbar {
  display: none;
}

.pill-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 15px;
  border-radius: var(--radius-pill);
  color: rgba(237, 240, 248, 0.88);
  background: rgba(255, 255, 255, 0.06);
  font-size: 14px;
  white-space: nowrap;
  transition: var(--transition);
  border: 1px solid transparent;
}

.pill-link i {
  font-size: 13px;
  color: rgba(237, 240, 248, 0.6);
  transition: var(--transition);
}

.pill-link:hover {
  background: rgba(255, 255, 255, 0.14);
  color: #FFFFFF;
  transform: translateY(-1px);
}

.pill-link.active {
  background: linear-gradient(145deg, #EFB84A, #E4A93D);
  color: #171C2E;
  font-weight: 700;
  border-color: rgba(255, 255, 255, 0.1);
}

.pill-link.active i {
  color: #171C2E;
}

.catalog-lead {
  position: relative;
  overflow: hidden;
  padding: 54px 0 46px;
  background: linear-gradient(128deg, rgba(231, 234, 246, 0.97) 0%, rgba(239, 241, 248, 0.93) 52%, rgba(222, 227, 244, 0.82) 100%), url('/assets/images/backpic/back-2.png') center 28% / cover no-repeat;
  border-bottom: 1px solid var(--line);
}

.catalog-lead::after {
  content: "";
  pointer-events: none;
  position: absolute;
  top: -120px;
  right: -80px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(239, 184, 74, 0.16) 0%, rgba(239, 184, 74, 0) 68%);
  border-radius: 50%;
}

.catalog-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  color: var(--ink-muted);
  margin-bottom: 18px;
}

.catalog-breadcrumb a {
  color: #252A52;
  font-weight: 600;
  transition: var(--transition);
}

.catalog-breadcrumb a:hover {
  color: var(--amber-hover);
}

.catalog-breadcrumb i {
  font-size: 11px;
  color: var(--ink-placeholder);
}

.page-h1 {
  margin: 0 0 14px;
  font-size: clamp(34px, 5vw, 54px);
  line-height: 1.12;
  font-weight: 800;
  color: #151A33;
  letter-spacing: .01em;
}

.lead-intro {
  max-width: 660px;
  margin: 0 0 22px;
  font-size: 16px;
  color: var(--ink-muted);
  line-height: 1.85;
}

.lead-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 24px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  height: 46px;
  padding: 0 22px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 700;
  white-space: nowrap;
  border: 1px solid transparent;
  transition: var(--transition);
  cursor: pointer;
  line-height: 1;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn i {
  font-size: 14px;
  transition: transform .25s ease;
}

.btn:hover i {
  transform: translateX(4px);
}

.btn-amber {
  background: linear-gradient(145deg, #EFB84A, #E4AA3C);
  color: #171C2E;
  box-shadow: 0 10px 22px rgba(217, 164, 55, .22);
}

.btn-amber:hover {
  background: linear-gradient(145deg, #F6C760, #EFB84A);
  color: #171C2E;
  box-shadow: 0 14px 30px rgba(217, 164, 55, .3);
}

.btn-outline-dark {
  background: rgba(255, 255, 255, .65);
  border: 1px solid var(--line-strong);
  color: #252A52;
}

.btn-outline-dark:hover {
  border-color: #252A52;
  background: #FFFFFF;
  color: #151A33;
}

.lead-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.lead-tags li {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(201, 204, 224, .8);
  color: #3A4166;
  font-size: 13px;
  border-radius: var(--radius-pill);
  padding: 6px 12px;
}

.lead-tags li i {
  color: var(--teal);
  font-size: 11px;
}

.status-window {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(255, 255, 255, .8);
  border-radius: var(--radius-large);
  box-shadow: var(--shadow-card-hover);
  padding: 22px;
  position: relative;
  z-index: 2;
  backdrop-filter: blur(10px);
}

.status-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 14px;
  margin-bottom: 14px;
}

.status-title {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 800;
  color: #252A52;
}

.status-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--teal-bright);
  box-shadow: 0 0 0 4px rgba(79, 191, 159, .18);
}

.status-dot.pulse {
  animation: statusPulse 2s ease-in-out infinite;
}

@keyframes statusPulse {
  0%, 100% { box-shadow: 0 0 0 3px rgba(79, 191, 159, .12); }
  50% { box-shadow: 0 0 0 6px rgba(79, 191, 159, .24); }
}

.status-note {
  font-size: 12px;
  color: var(--ink-placeholder);
  font-weight: 400;
}

.status-body {
  position: relative;
}

.status-body p {
  margin-bottom: 16px;
  font-size: 14px;
  color: var(--ink-muted);
  line-height: 1.7;
}

.status-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.status-list li {
  display: flex;
  gap: 9px;
  border: 1px solid var(--line);
  border-radius: 13px;
  padding: 9px 11px;
  background: #FAFBFF;
  align-items: flex-start;
  font-size: 13px;
  color: #3D4568;
}

.status-list li i {
  color: #252A52;
  margin-top: 3px;
  font-size: 13px;
}

.status-window .btn {
  margin-top: 18px;
  width: 100%;
  height: 42px;
  font-size: 14px;
}

.section {
  padding: 76px 0;
}

.section-sm {
  padding: 50px 0;
}

.section-head {
  max-width: 760px;
  margin-bottom: 34px;
}

.section-head.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 12px;
}

.eyebrow::before {
  content: "";
  width: 18px;
  height: 2px;
  background: var(--amber);
  border-radius: 2px;
}

.section-head h2,
.section-title {
  margin: 0 0 12px;
  font-size: clamp(25px, 3.2vw, 35px);
  font-weight: 800;
  line-height: 1.25;
  color: #1A2036;
}

.section-head p,
.section-desc {
  margin: 0;
  color: var(--ink-muted);
  font-size: 16px;
  line-height: 1.8;
}

.listing-section {
  background: var(--surface);
}

.entry-main-card {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius-large);
  background: linear-gradient(140deg, #FFFFFF 0%, #F7F8FD 100%);
  box-shadow: var(--shadow-card);
  padding: 26px;
  transition: var(--transition);
  overflow: hidden;
  min-height: 100%;
}

.entry-main-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card-hover);
  border-color: #C2C8DF;
}

.entry-main-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, #252A52, var(--teal) 60%, var(--amber));
  border-radius: 4px 4px 0 0;
}

.entry-main-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  gap: 22px;
}

.entry-main-copy {
  flex: 1 1 72%;
  min-width: 260px;
}

.entry-main-visual {
  flex: 1 1 20%;
  min-width: 160px;
  position: relative;
}

.card-no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 12px;
  background: #252A52;
  color: #FFFFFF;
  font-size: 14px;
  font-weight: 800;
  margin-bottom: 14px;
}

.tag-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  padding: 5px 11px;
  background: rgba(239, 184, 74, .13);
  color: #8A631B;
  font-weight: 600;
  margin-left: 8px;
}

.entry-main-card h3,
.entry-card h3 {
  margin: 0 0 10px;
  font-size: 20px;
  font-weight: 800;
  color: #202542;
  line-height: 1.4;
}

.entry-main-card p,
.entry-card p {
  margin: 0 0 16px;
  color: var(--ink-muted);
  font-size: 14px;
  line-height: 1.75;
}

.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  padding: 0;
  margin: 0 0 18px;
  list-style: none;
}

.chip-list li {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line);
  background: #FFFFFF;
  border-radius: var(--radius-pill);
  font-size: 12px;
  padding: 5px 11px;
  color: #55607A;
}

.chip-list li i {
  color: var(--teal);
  margin-right: 5px;
  font-size: 11px;
}

.visual-map {
  height: 100%;
  min-height: 150px;
  border-radius: 18px;
  background: linear-gradient(145deg, #1A203B, #2A2F5C);
  position: relative;
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 8px;
  overflow: hidden;
}

.visual-map::before,
.visual-map::after {
  content: "";
  position: absolute;
  width: 130px;
  height: 130px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(239, 184, 74, .24), transparent 70%);
  left: -30px;
  top: -40px;
}

.visual-map::after {
  left: auto;
  right: -38px;
  top: auto;
  bottom: -20px;
  background: radial-gradient(circle, rgba(30, 142, 148, .22), transparent 72%);
}

.visual-map span {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: rgba(237, 240, 248, 0.94);
  font-size: 12px;
  border-radius: 12px;
  padding: 7px 10px;
  position: relative;
  z-index: 2;
}

.visual-map span i {
  color: var(--amber);
}

.entry-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-large);
  background: #FFFFFF;
  box-shadow: var(--shadow-card);
  padding: 22px;
  transition: var(--transition);
  min-height: 100%;
}

.entry-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card-hover);
  border-color: #C2C8DF;
}

.entry-card h3 {
  font-size: 17px;
  margin-top: 10px;
}

.entry-card p {
  font-size: 13px;
}

.card-foot {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 700;
  color: #252A52;
  transition: var(--transition);
}

.card-foot i {
  transition: transform .25s ease;
  font-size: 12px;
}

.entry-card:hover .card-foot {
  color: var(--amber-hover);
}

.entry-card:hover .card-foot i {
  transform: translateX(4px);
}

.small-card-stack {
  display: flex;
  flex-direction: column;
  gap: 22px;
  min-height: 100%;
}

.walkthrough-section {
  position: relative;
  background: linear-gradient(142deg, #151A33 0%, #232C55 55%, #2D2E61 100%);
  overflow: hidden;
  color: #EDF0F8;
}

.walkthrough-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-1.webp') center / cover no-repeat;
  opacity: .06;
  pointer-events: none;
}

.walkthrough-content {
  position: relative;
  z-index: 2;
}

.walkthrough-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin-top: 36px;
}

.step-card {
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.11);
  padding: 24px 20px;
  transition: var(--transition);
  position: relative;
}

.step-card:hover {
  background: rgba(255, 255, 255, 0.11);
  transform: translateY(-4px);
}

.step-icon {
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(239, 184, 74, 0.16);
  border: 1px solid rgba(239, 184, 74, 0.34);
  color: var(--amber);
  border-radius: 14px;
  font-size: 17px;
  margin-bottom: 16px;
}

.step-num {
  position: absolute;
  top: 20px;
  right: 20px;
  color: rgba(237, 240, 248, 0.34);
  font-weight: 800;
  font-size: 20px;
  font-variant-numeric: tabular-nums;
}

.step-card h3 {
  margin: 0 0 8px;
  color: #FFFFFF;
  font-size: 16px;
  font-weight: 800;
}

.step-card p {
  margin: 0;
  color: rgba(237, 240, 248, .72);
  font-size: 13px;
  line-height: 1.7;
}

.scenario-section {
  background: var(--bg-soft);
}

.scenario-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 40px;
  align-items: center;
}

.scenario-copy .section-head {
  margin-bottom: 22px;
}

.scenario-quote {
  border-left: 3px solid var(--amber);
  background: #FFFFFF;
  border-radius: 0 18px 18px 0;
  padding: 16px 20px;
  color: #454D70;
  font-size: 15px;
  box-shadow: var(--shadow-card);
  margin-top: 18px;
}

.scenario-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.scenario-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: #FFFFFF;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 16px 18px;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
}

.scenario-list li:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-card-hover);
}

.scenario-list i {
  color: var(--amber-hover);
  margin-top: 5px;
  font-size: 14px;
}

.scenario-list strong {
  display: block;
  font-size: 15px;
  color: #202542;
  margin-bottom: 3px;
}

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

.related-section {
  background: #FFFFFF;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  margin-top: 34px;
}

.related-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--surface);
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.related-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-card-hover);
  border-color: #C2C8DF;
}

.related-media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: #E7EAF4;
}

.related-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}

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

.related-label {
  position: absolute;
  left: 14px;
  top: 14px;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: rgba(21, 26, 51, .86);
  border: 1px solid rgba(255, 255, 255, .16);
  color: #F3F4FB;
  backdrop-filter: blur(8px);
  border-radius: var(--radius-pill);
  font-size: 12px;
  padding: 6px 11px;
}

.related-label i {
  color: var(--amber);
  font-size: 11px;
}

.related-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 9px;
  flex: 1;
}

.related-body h3 {
  margin: 0;
  color: #202542;
  font-size: 17px;
  font-weight: 800;
  line-height: 1.45;
}

.related-body p {
  margin: 0;
  color: var(--ink-muted);
  font-size: 13px;
  line-height: 1.7;
  flex: 1;
}

.notice-section {
  background: #F0F2F9;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.care-box {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 36px;
  align-items: start;
  background: #FFFFFF;
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 30px;
  box-shadow: var(--shadow-card);
}

.care-mark {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--teal);
  font-weight: 800;
  font-size: 14px;
  margin-bottom: 10px;
}

.care-mark i {
  font-size: 16px;
}

.care-box h3 {
  margin: 0 0 10px;
  font-size: 20px;
  color: #202542;
}

.care-box p {
  color: var(--ink-muted);
  font-size: 14px;
  line-height: 1.85;
}

.care-status-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.care-status-list li {
  border: 1px solid var(--line);
  border-radius: 15px;
  background: #FBFCFE;
  padding: 14px 16px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.care-status-list i {
  color: var(--amber-hover);
  margin-top: 4px;
}

.care-status-list strong {
  color: #303757;
  display: block;
  font-size: 14px;
}

.care-status-list span {
  display: block;
  color: var(--ink-muted);
  font-size: 13px;
  line-height: 1.7;
}

.faq-section {
  background: #FBF9F7;
}

.faq-accordion {
  max-width: 880px;
  margin: 0 auto;
}

.faq-accordion .accordion-item {
  background: #FFFFFF;
  border: 1px solid var(--line);
  border-radius: 18px;
  margin-bottom: 12px;
  overflow: hidden;
  transition: box-shadow .25s ease;
}

.faq-accordion .accordion-item.is-active {
  border-color: #C9CCE0;
  box-shadow: var(--shadow-card);
}

.faq-accordion .accordion-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #FFFFFF !important;
  color: #202542 !important;
  font-size: 15px;
  font-weight: 700;
  padding: 17px 20px;
  line-height: 1.6;
  transition: var(--transition);
  position: relative;
}

.faq-accordion .accordion-title:hover {
  background: #F8F9FD !important;
  color: var(--amber-hover) !important;
}

.faq-accordion .accordion-title::before,
.faq-accordion .accordion-title::after {
  content: "" !important;
  position: static !important;
  background: none !important;
  box-shadow: none !important;
  transform: none !important;
}

.faq-accordion .accordion-title .faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #55607A;
  font-size: 13px;
  transition: var(--transition);
  flex: 0 0 auto;
  margin-left: 12px;
}

.faq-accordion .accordion-item.is-active .faq-icon {
  background: var(--amber);
  border-color: var(--amber);
  color: #171C2E;
  transform: rotate(135deg);
}

.faq-accordion .accordion-content {
  background: #FFFFFF !important;
  color: var(--ink-muted);
  font-size: 14px;
  line-height: 1.85;
  padding: 4px 22px 22px 22px;
  border-top: 1px solid var(--line);
}

.bottom-cta-section {
  background: linear-gradient(142deg, #171C2E 0%, #252A52 70%, #2D2E61 100%);
  padding: 70px 0;
  position: relative;
  overflow: hidden;
}

.bottom-cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-3.webp') center / cover no-repeat;
  opacity: .08;
  pointer-events: none;
}

.cta-shell {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.cta-shell .eyebrow {
  justify-content: center;
  color: var(--amber);
}

.cta-shell .eyebrow::before,
.cta-shell .eyebrow::after {
  content: "";
  width: 18px;
  height: 2px;
  background: var(--amber);
  border-radius: 2px;
}

.cta-shell .eyebrow::after {
  margin-left: 8px;
}

.cta-shell .eyebrow::before {
  margin-right: 8px;
}

.cta-shell h2 {
  margin: 0 0 14px;
  color: #FFFFFF;
  font-size: clamp(24px, 3.6vw, 38px);
  font-weight: 800;
  line-height: 1.3;
}

.cta-shell p {
  color: #C2C8DF;
  margin: 0 0 28px;
  font-size: 15px;
  line-height: 1.8;
}

.cta-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

.btn-ghost-light {
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #EDF0F8;
  background: rgba(255, 255, 255, 0.06);
}

.btn-ghost-light:hover {
  border-color: rgba(239, 184, 74, .8);
  color: var(--amber);
  background: rgba(239, 184, 74, .08);
}

.site-footer {
  background: #11152A;
  color: #C2C8DF;
  padding-top: 48px;
  font-size: 13px;
}

.site-footer a {
  color: #C2C8DF;
  transition: var(--transition);
}

.site-footer a:hover {
  color: #EFB84A;
}

.footer-brand {
  padding-right: 12px;
}

.footer-brand-name {
  color: #FFFFFF;
  font-size: 19px;
  font-weight: 800;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-star {
  color: var(--amber);
}

.footer-brand-txt {
  color: #AAB3D2;
  font-size: 13px;
  line-height: 1.8;
}

.footer-column-title {
  color: #FFFFFF;
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 14px;
}

.footer-links {
  display: flex;
  flex-direction: column;
}

.footer-links a {
  padding: 5px 0;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.footer-links a i {
  font-size: 10px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.09);
  padding: 20px 0 24px;
  margin-top: 34px;
  color: #9AA3C0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  justify-content: space-between;
  align-items: center;
}

.footer-bottom p {
  margin: 0;
  font-size: 12px;
}

.back-top-fixed {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: #252A52;
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 14px;
  box-shadow: var(--shadow-deep);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: var(--transition);
}

.back-top-fixed.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-top-fixed:hover {
  background: var(--amber);
  color: #171C2E;
  border-color: var(--amber);
}

@media screen and (max-width: 1023px) {
  .section {
    padding: 56px 0;
  }

  .walkthrough-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .scenario-layout {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .entry-main-copy {
    flex-basis: 60%;
  }

  .entry-main-visual {
    flex-basis: 100%;
  }

  .visual-map {
    min-height: 100px;
  }
}

@media screen and (max-width: 767px) {
  .grid-container {
    padding-left: 20px;
    padding-right: 20px;
  }

  .site-header {
    position: sticky;
  }

  .header-top {
    padding-top: 10px;
  }

  .header-cta {
    width: 40px;
    padding: 0;
    justify-content: center;
  }

  .header-cta small {
    display: none;
  }

  .brand-icon {
    width: 36px;
    height: 36px;
    font-size: 17px;
  }

  .brand-name {
    font-size: 17px;
  }

  .brand-sub {
    font-size: 11px;
  }

  .catalog-lead {
    padding: 40px 0 32px;
  }

  .section {
    padding: 44px 0;
  }

  .care-box {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 22px;
  }

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

  .entry-main-card {
    padding: 20px;
  }

  .status-window {
    margin-top: 20px;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media screen and (max-width: 520px) {
  .walkthrough-grid {
    grid-template-columns: 1fr;
    gap: 12px;
    margin-top: 22px;
  }

  .lead-buttons .btn {
    width: 100%;
  }

  .cta-buttons .btn {
    width: 100%;
  }

  .brand-name {
    font-size: 15px;
    white-space: normal;
  }

  .brand-sub {
    display: none;
  }

  .pill-link {
    padding: 7px 11px;
    font-size: 13px;
  }

  .page-h1 {
    font-size: 32px;
  }

  .notice-box,
  .care-box {
    padding: 18px;
  }
}

/* roulang page: category2 */
:root{
  --bg-body:#EFF1F8;
  --bg-soft:#F5F4FB;
  --surface:#FFFFFF;
  --ink:#2D3350;
  --muted:#55607A;
  --faint:#8A93AD;
  --navy:#171C2E;
  --indigo:#252A52;
  --deep-blue:#232C55;
  --night-gradient:linear-gradient(142deg,#151A33 0%,#232C55 58%,#2D2E61 100%);
  --amber:#EFB84A;
  --amber-deep:#DBA539;
  --teal:#1E8E94;
  --border:#E3E4F0;
  --line-soft:#EDEFF7;
  --footer-bg:#11162A;
  --shadow-sm:0 10px 24px rgba(23,27,63,.07);
  --shadow-lg:0 18px 40px rgba(23,27,63,.12);
  --radius-xl:24px;
  --radius-lg:20px;
  --radius-md:16px;
  --radius-btn:12px;
  --font-sans:"Inter","PingFang SC","Microsoft YaHei","Noto Sans CJK SC","Source Han Sans SC",system-ui,sans-serif;
  --font-num:"DIN Alternate","Bahnschrift","Inter","PingFang SC",sans-serif;
}
html{scroll-behavior:smooth}
*,*::before,*::after{box-sizing:border-box}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  color:var(--ink);
  background:var(--bg-body);
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease}
p,ul{margin:0 0 1rem}
button,input,select,textarea{font-family:inherit}
:focus-visible{outline:3px solid rgba(239,184,74,.75);outline-offset:2px;border-radius:4px}

/* 双层导航 */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(20,25,46,.96);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  color:#fff;
  box-shadow:0 6px 18px rgba(12,16,32,.18);
  transition:background-color .25s ease,box-shadow .25s ease;
}
.header-top{
  padding:10px 0 6px;
}
.brand-lockup{
  display:inline-flex;
  align-items:center;
  gap:10px;
  border-radius:12px;
  padding:6px 6px;
}
.brand-icon{
  width:42px;height:42px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(145deg,#EFB84A,#DFAD43);
  border-radius:14px;
  color:#1C2140;
  font-size:20px;
  box-shadow:0 6px 14px rgba(239,184,74,.22);
}
.brand-lockup:hover .brand-icon{
  transform:rotate(-6deg) scale(1.04);
}
.brand-name{
  display:block;
  font-size:18px;
  font-weight:800;
  letter-spacing:.02em;
  line-height:1.3;
  color:#fff;
}
.brand-sub{
  display:block;
  font-size:11px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:#C3C9E0;
  margin-top:2px;
}
.header-search{
  display:flex;
  align-items:center;
  gap:8px;
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.16);
  border-radius:999px;
  padding:0 14px;
  height:42px;
  transition:border-color .2s ease,background-color .2s ease;
}
.header-search:focus-within{
  border-color:var(--amber);
  background:rgba(255,255,255,.14);
}
.header-search i{color:#D9DDF1;font-size:14px}
.header-search input{
  width:100%;
  border:0;
  background:transparent;
  color:#fff;
  font-size:14px;
  line-height:40px;
}
.header-search input::placeholder{color:#A9AFC9}
.header-search input:focus{outline:none}
.header-cta{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:var(--amber);
  color:#1B2140;
  font-weight:700;
  border:0;
  border-radius:999px;
  padding:0 18px;
  height:40px;
  transition:background-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.header-cta small{font-size:14px;letter-spacing:.03em}
.header-cta:hover{
  background:#F5C864;
  color:#171C2E;
  transform:translateY(-1px);
  box-shadow:0 8px 18px rgba(239,184,74,.35);
}
.channel-nav{padding:2px 0 10px}
.channel-pills{
  display:flex;
  align-items:center;
  gap:8px;
  overflow-x:auto;
  scrollbar-width:none;
  -ms-overflow-style:none;
  white-space:nowrap;
  padding-bottom:2px;
}
.channel-pills::-webkit-scrollbar{display:none}
.pill-link{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:7px 15px;
  border-radius:999px;
  background:rgba(255,255,255,.07);
  color:#DCE0F0;
  font-size:14px;
  font-weight:600;
  border:1px solid rgba(255,255,255,.08);
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.pill-link:hover{
  background:rgba(255,255,255,.14);
  color:#fff;
  border-color:rgba(239,184,74,.55);
}
.pill-link.active,
.pill-link[aria-current="page"]{
  background:var(--amber);
  color:#151A33;
  border-color:var(--amber);
  font-weight:800;
}

/* 通用按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:var(--radius-btn);
  font-weight:700;
  font-size:15px;
  line-height:1;
  padding:14px 24px;
  cursor:pointer;
  border:0;
  transition:background-color .2s ease,transform .2s ease,box-shadow .2s ease,color .2s ease;
}
.btn i{font-size:14px}
.btn-amber{
  background:linear-gradient(145deg,#F4C25E,#EBAC3B);
  color:#171C2E;
  box-shadow:0 8px 18px rgba(239,184,74,.18);
}
.btn-amber:hover{
  background:linear-gradient(145deg,#FFD27A,#E4A63B);
  color:#0F1426;
  transform:translateY(-2px);
  box-shadow:0 14px 30px rgba(239,184,74,.28);
}
.btn-ghost{
  background:transparent;
  color:#2D3350;
  border:1px solid #C7CBE0;
}
.btn-ghost:hover{
  border-color:var(--navy);
  background:rgba(23,28,46,.05);
  transform:translateY(-2px);
}
.btn-white-plain{
  background:#fff;
  color:#171C2E;
}
.btn-white-plain:hover{
  background:#F1E8D6;
  color:#10152A;
  transform:translateY(-2px);
}

/* 横幅区 */
.qa-masthead{
  background:
    radial-gradient(circle at 85% 10%,rgba(239,184,74,.12),transparent 30%),
    linear-gradient(145deg,#E9EBF5,#F3F1FA);
  border-bottom:1px solid #E1E3F0;
  padding:46px 0 58px;
}
.crumbs-row{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:6px;
  font-size:13px;
  color:var(--muted);
  margin-bottom:18px;
}
.crumbs-row a{color:var(--muted);text-decoration:underline;text-underline-offset:3px}
.crumbs-row a:hover{color:var(--navy)}
.crumb-sep{color:#B8BED6;font-size:12px}
.eyebrow-label{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:rgba(23,28,46,.06);
  color:var(--indigo);
  padding:6px 14px;
  border-radius:999px;
  font-size:12px;
  font-weight:800;
  letter-spacing:.12em;
  text-transform:uppercase;
  margin-bottom:16px;
}
.eyebrow-label .dot{width:7px;height:7px;background:var(--amber);border-radius:50%}
.qa-masthead h1{
  font-size:clamp(30px,4vw,50px);
  line-height:1.16;
  color:var(--navy);
  font-weight:800;
  letter-spacing:-.01em;
  margin:0 0 16px;
}
.qa-masthead h1 .accent-text{
  color:#55607A;
}
.qa-mast-lead{
  max-width:620px;
  font-size:17px;
  line-height:1.9;
  color:var(--muted);
  margin-bottom:26px;
}
.mast-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}
.mast-guide-card{
  background:var(--night-gradient);
  border:1px solid rgba(255,255,255,.08);
  border-radius:24px;
  padding:12px;
  box-shadow:0 18px 36px rgba(23,28,46,.18);
  color:#fff;
}
.mast-guide-cover{
  border-radius:16px;
  overflow:hidden;
  height:142px;
  margin-bottom:12px;
  background:rgba(255,255,255,.08);
}
.mast-guide-cover img{width:100%;height:100%;object-fit:cover}
.guide-card-body{padding:6px 10px 12px}
.guide-flag{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:#DCE0F2;
  margin-bottom:10px;
}
.guide-flag i{color:var(--amber)}
.guide-card-body h3{
  font-size:18px;
  color:#fff;
  line-height:1.5;
  margin:0 0 8px;
}
.guide-qa-link{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:9px 2px;
  border-bottom:1px solid rgba(255,255,255,.08);
  color:#C7CDE4;
  font-size:14px;
  transition:color .2s ease,padding-left .2s ease;
}
.guide-qa-link:hover{
  color:var(--amber);
  padding-left:6px;
}
.guide-qa-link:last-child{border-bottom:0}

/* 场景卡片区 */
.qa-scene-section{
  padding:58px 0 24px;
  background:var(--bg-soft);
}
.section-head{
  margin-bottom:30px;
}
.section-head .mini-label{
  display:flex;
  align-items:center;
  gap:6px;
  font-size:12px;
  font-weight:800;
  letter-spacing:.16em;
  color:var(--teal);
  text-transform:uppercase;
  margin-bottom:6px;
}
.section-head h2{
  font-size:clamp(24px,3vw,34px);
  color:var(--navy);
  margin:0;
  letter-spacing:-.01em;
}
.section-head p{
  color:var(--muted);
  margin:8px 0 0;
}
.scene-card{
  background:#fff;
  border:1px solid var(--border);
  border-radius:20px;
  padding:24px 24px 20px;
  box-shadow:var(--shadow-sm);
  min-height:100%;
  position:relative;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.scene-card:hover{
  transform:translateY(-3px);
  box-shadow:var(--shadow-lg);
  border-color:#D6DAED;
}
.scene-icon{
  width:48px;
  height:48px;
  border-radius:14px;
  display:flex;
  align-items:center;
  justify-content:center;
  background:linear-gradient(145deg,hsla(239,184,74,.16),hsla(239,184,74,.06));
  color:#C79530;
  font-size:20px;
  margin-bottom:18px;
}
.scene-card h3{
  font-size:18px;
  color:var(--navy);
  margin:0 0 8px;
  font-weight:800;
}
.scene-card p{
  font-size:15px;
  color:var(--muted);
  line-height:1.8;
  margin:0 0 14px;
}
.scene-meta{
  display:flex;
  align-items:center;
  gap:6px;
  font-size:13px;
  color:#8A93AD;
  border-top:1px dashed var(--border);
  padding-top:14px;
}
.scene-meta i{color:var(--amber);font-size:11px}

/* 正文问答 */
.qa-reference-section{
  padding:48px 0 24px;
  background:var(--bg-body);
}
.qa-reference-grid{
  margin-top:26px;
}
.qa-index-aside{
  position:sticky;
  top:142px;
  background:#fff;
  border:1px solid var(--border);
  border-radius:22px;
  padding:22px;
  box-shadow:var(--shadow-sm);
}
.qa-index-title{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:16px;
  font-weight:800;
  color:var(--navy);
  margin-bottom:14px;
  padding-bottom:14px;
  border-bottom:1px solid var(--line-soft);
}
.qa-index-title i{color:var(--amber)}
.qa-anchor-list{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:4px;
}
.qa-anchor-list a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:9px 10px;
  border-radius:12px;
  font-size:14px;
  font-weight:600;
  color:var(--muted);
  background:transparent;
  transition:background-color .2s ease,color .2s ease,padding-left .2s ease;
}
.qa-anchor-list a i{font-size:12px;opacity:0;transition:opacity .2s ease,transform .2s ease}
.qa-anchor-list a:hover{
  background:#F4F3FB;
  color:var(--navy);
  padding-left:15px;
}
.qa-anchor-list a:hover i{opacity:1;transform:translateX(2px)}
.qa-index-note{
  margin-top:18px;
  background:#F6F5FB;
  border-radius:14px;
  padding:14px 14px 4px;
  font-size:13px;
  color:var(--muted);
}
.qa-index-note i{color:var(--teal);margin-right:5px}
.qa-blocks{
  display:grid;
  gap:26px;
}
.qa-group{
  background:#fff;
  border:1px solid var(--border);
  border-radius:22px;
  padding:24px 26px 6px;
  box-shadow:var(--shadow-sm);
  scroll-margin-top:150px;
}
.qa-group-head{
  display:flex;
  align-items:center;
  gap:12px;
  padding-bottom:16px;
  border-bottom:1px solid var(--line-soft);
  margin-bottom:20px;
}
.qa-group-num{
  width:38px;
  height:38px;
  border-radius:12px;
  display:flex;
  align-items:center;
  justify-content:center;
  background:linear-gradient(145deg,#252A52,#171C2F);
  color:#F5CE79;
  font-family:var(--font-num);
  font-weight:800;
  font-size:15px;
  flex-shrink:0;
  box-shadow:0 6px 12px rgba(23,28,46,.16);
}
.qa-group-head h3{
  font-size:20px;
  font-weight:800;
  color:var(--navy);
  margin:0;
}
.qa-item{
  padding:0 8px 20px;
  border-bottom:1px dashed #E9EBF5;
  display:grid;
  gap:6px;
}
.qa-item:last-child{
  border-bottom:0;
}
.qa-item h4{
  display:flex;
  gap:8px;
  font-size:16px;
  line-height:1.7;
  font-weight:800;
  color:var(--ink);
  margin:10px 0 0;
}
.qa-item h4 i{
  color:var(--amber-deep);
  font-size:16px;
  transform:translateY(3px);
}
.qa-answer{
  font-size:15px;
  line-height:1.9;
  color:var(--muted);
  background:#FAFAFD;
  border-left:3px solid #DADCF0;
  border-radius:0 12px 12px 0;
  padding:12px 16px;
  margin-left:24px;
}
.qa-answer ul{
  margin:8px 0 2px;
  padding-left:18px;
}
.qa-answer li{margin-bottom:6px}
.qa-answer li:last-child{margin-bottom:0}

/* 深色 CTA 条 */
.qa-help-cta{
  margin:48px 0 38px;
}
.qa-help-inner{
  background:
    linear-gradient(rgba(10,14,32,.72),rgba(23,28,46,.9)),
    url('/assets/images/backpic/back-3.webp') center/cover no-repeat,
    var(--deep-blue);
  border-radius:26px;
  padding:38px 36px;
  color:#fff;
  box-shadow:0 22px 44px rgba(16,22,48,.24);
  position:relative;
  overflow:hidden;
}
.qa-help-inner::after{
  content:"";
  position:absolute;
  right:-80px;
  top:-80px;
  width:230px;
  height:230px;
  border-radius:50%;
  background:rgba(239,184,74,.13);
  pointer-events:none;
}
.qa-help-inner .mini-label{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  font-weight:800;
  letter-spacing:.16em;
  color:#F3CA66;
  margin-bottom:10px;
}
.qa-help-inner h2{
  font-size:clamp(22px,2.4vw,30px);
  line-height:1.4;
  margin:0 0 12px;
  color:#fff;
  font-weight:800;
}
.qa-help-inner p{
  color:#D3D9EE;
  max-width:760px;
  margin-bottom:8px;
}
.qa-help-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}

/* 页脚 */
.site-footer{
  background:var(--footer-bg);
  color:#D6DBEF;
  padding:60px 0 0;
}
.footer-brand-name{
  color:#fff;
  font-size:20px;
  font-weight:800;
  margin-bottom:10px;
}
.footer-brand-name .fa-star{color:var(--amber);margin-right:6px}
.footer-brand-txt{
  color:#AEB6D3;
  font-size:14px;
  line-height:1.8;
  max-width:340px;
}
.footer-column-title{
  color:#fff;
  font-size:15px;
  font-weight:800;
  margin-bottom:12px;
  padding-bottom:8px;
  border-bottom:1px solid rgba(255,255,255,.1);
  margin-right:14px;
}
.footer-links a,
.footer-links span{
  color:#AEB6D3;
  font-size:14px;
}
.footer-links a{
  display:block;
  padding:6px 0;
  transition:color .2s ease,padding-left .2s ease;
}
.footer-links a:hover{
  color:var(--amber);
  padding-left:5px;
}
.site-footer .grid-container>.grid-x:first-child{
  margin-bottom:18px;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:18px 0 22px;
  margin-top:26px;
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:8px;
}
.footer-bottom p{
  color:#8A93B5;
  font-size:13px;
  margin:0;
}
.footer-bottom p i{margin-right:3px}

@media (max-width:1023px){
  .qa-index-aside{position:static;margin-bottom:20px}
  .qa-reference-grid>.cell{margin-bottom:10px}
  .mast-actions .btn{width:auto}
}
@media (max-width:767px){
  .header-top{padding:8px 0 4px}
  .brand-icon{width:38px;height:38px;font-size:17px;border-radius:12px}
  .brand-name{font-size:16px}
  .channel-pills{padding:2px 4px 0}
  .qa-masthead{padding:28px 0 40px}
  .qa-masthead h1{font-size:27px}
  .mast-guide-card{margin-top:22px}
  .qa-scene-section,.qa-reference-section{padding-left:0;padding-right:0}
  .qa-group{padding:18px 16px 0}
  .qa-answer{margin-left:0}
  .qa-help-inner{padding:26px 22px}
  .footer-links{max-width:280px}
}
@media (max-width:520px){
  .header-search{display:none}
  .brand-lockup{gap:8px}
  .brand-name{font-size:15px}
  .header-cta{width:38px;height:38px;padding:0;justify-content:center;border-radius:50%}
  .header-cta small{display:none}
  .pill-link{font-size:13px;padding:6px 12px}
  .section-head h2{font-size:24px}
  .scene-card{padding:18px}
  .qa-anchor-list a{font-size:13px}
  .qa-group-head h3{font-size:17px}
}