/* roulang page: index */
:root {
  --primary: #2563EB;
  --primary-dark: #1D4ED8;
  --teal: #0F766E;
  --bg-body: #F8FAFC;
  --bg-card: #FFFFFF;
  --bg-soft: #EEF2F7;
  --title-color: #0B1220;
  --body-color: #334155;
  --muted-color: #64748B;
  --border-color: #E2E8F0;
  --radius-card: 12px;
  --radius-pill: 999px;
  --shadow-card: 0 1px 2px rgba(15, 23, 42, 0.04), 0 1px 3px rgba(15, 23, 42, 0.06);
  --shadow-card-hover: 0 8px 20px rgba(15, 23, 42, 0.06);
  --shadow-nav: 0 4px 24px rgba(15, 23, 42, 0.08);
}
*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
  background: var(--bg-body);
  color: var(--body-color);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
a {
  color: inherit;
  text-decoration: none;
}
img {
  max-width: 100%;
  display: block;
}
ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
button,
input {
  font-family: inherit;
}
.container-cus {
  width: min(1200px, 100% - 48px);
  margin-inline: auto;
}
.section {
  padding-block: clamp(3.5rem, 7vw, 6.5rem);
}
.section-label {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  background: #EFF6FF;
  color: #1D4ED8;
  border-radius: 6px;
  padding: .25rem .75rem;
  font-size: 13px;
  font-weight: 600;
}
.section-title {
  font-size: clamp(1.5rem, 2.5vw, 2.125rem);
  color: var(--title-color);
  line-height: 1.3;
  font-weight: 700;
  margin-top: .6rem;
  margin-bottom: .6rem;
  letter-spacing: -0.015em;
}
.section-sub {
  max-width: 760px;
  color: var(--muted-color);
  font-size: 1rem;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  border-radius: var(--radius-pill);
  padding: .72rem 1.5rem;
  font-weight: 600;
  font-size: .95rem;
  line-height: 1.5;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background .18s cubic-bezier(.4, 0, .2, 1), transform .18s cubic-bezier(.4, 0, .2, 1), border-color .18s, box-shadow .18s;
  white-space: nowrap;
  text-align: center;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 2px 6px rgba(37, 99, 235, .18);
}
.btn-primary:hover {
  background: var(--primary-dark);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(37, 99, 235, .24);
}
.btn-outline {
  background: #fff;
  border-color: #CBD5E1;
  color: var(--title-color);
}
.btn-outline:hover {
  background: #F8FAFC;
  border-color: #94A3B8;
}
.btn:active {
  transform: translateY(1px);
}
.btn:focus-visible,
.nav-link:focus-visible,
.menu-btn:focus-visible,
.page-link:focus-visible,
.summary-btn:focus-visible {
  outline: 3px solid rgba(37, 99, 235, .45);
  outline-offset: 2px;
}
.site-header {
  position: fixed;
  top: 16px;
  left: 0;
  right: 0;
  z-index: 60;
  pointer-events: none;
}
.nav-shell {
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: 24px;
  pointer-events: auto;
}
.nav-pill {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  padding: .65rem 1rem .65rem 1.4rem;
  background: rgba(255, 255, 255, .84);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(226, 232, 240, .8);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-nav);
  position: relative;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--title-color);
  letter-spacing: -0.01em;
  flex-shrink: 0;
}
.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--primary);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .02em;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: .35rem;
  flex: 1;
  justify-content: center;
}
.nav-link {
  display: inline-flex;
  align-items: center;
  gap: .25rem;
  padding: .42rem .85rem;
  border-radius: var(--radius-pill);
  color: #334155;
  font-size: .92rem;
  font-weight: 500;
  transition: background .15s, color .15s;
}
.nav-link:hover {
  background: #EFF6FF;
  color: var(--primary-dark);
}
.nav-link.active {
  background: #EFF6FF;
  color: var(--primary);
  font-weight: 600;
}
.nav-cta {
  flex-shrink: 0;
  font-size: .88rem;
  padding: .58rem 1.1rem;
}
.menu-btn {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  background: #fff;
  color: var(--title-color);
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  cursor: pointer;
  margin-left: auto;
}
.hero {
  position: relative;
  overflow: hidden;
  background: #FFFFFF;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-1.webp');
  background-position: center;
  background-size: cover;
  opacity: .12;
  z-index: 1;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(255, 255, 255, .96) 0%, rgba(248, 250, 252, .9) 42%, rgba(224, 242, 254, .62) 100%);
  z-index: 2;
}
.hero-inner {
  position: relative;
  z-index: 3;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: clamp(2.5rem, 5vw, 4.5rem);
  align-items: center;
  padding-block: clamp(7rem, 13vh, 10rem) clamp(4rem, 8vh, 6.5rem);
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  background: rgba(15, 118, 110, .08);
  color: var(--teal);
  border-radius: var(--radius-pill);
  padding: .3rem .9rem;
  font-size: 13px;
  font-weight: 600;
}
.hero h1 {
  font-size: clamp(2rem, 4vw, 3.25rem);
  color: var(--title-color);
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -.02em;
  margin: 1.2rem 0 1rem;
}
.hero h1 .text-primary {
  color: var(--primary);
}
.hero-sub {
  font-size: 1.06rem;
  color: var(--muted-color);
  max-width: 540px;
  margin-bottom: 2rem;
}
.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: .9rem;
}
.trust-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  margin-top: 1.6rem;
  color: var(--muted-color);
  font-size: 13px;
}
.trust-line span {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
}
.trust-line i {
  color: var(--teal);
  font-size: .9rem;
}
.launch-preview {
  width: min(100%, 460px);
  margin-left: auto;
  background: #fff;
  border-radius: 16px;
  border: 1px solid rgba(226, 232, 240, .8);
  box-shadow: 0 20px 45px rgba(15, 23, 42, .1);
  overflow: hidden;
}
.preview-bar {
  display: flex;
  align-items: center;
  gap: .5rem;
  background: #F8FAFC;
  border-bottom: 1px solid var(--border-color);
  padding: .8rem 1rem;
}
.preview-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.preview-dot.red {
  background: #F87171;
}
.preview-dot.yellow {
  background: #FBBF24;
}
.preview-dot.green {
  background: #34D399;
}
.fake-address {
  flex: 1;
  display: flex;
  align-items: center;
  gap: .4rem;
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-pill);
  padding: .35rem .9rem;
  color: var(--muted-color);
  font-size: 13px;
  overflow: hidden;
  white-space: nowrap;
}
.fake-address i {
  color: var(--teal);
}
.preview-body {
  padding: clamp(1.4rem, 3vw, 2rem) clamp(1.2rem, 3vw, 2rem) 1.8rem;
  text-align: center;
}
.verified-badge {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  background: rgba(15, 118, 110, .09);
  color: var(--teal);
  font-size: 13px;
  font-weight: 600;
  border-radius: var(--radius-pill);
  padding: .35rem .95rem;
  margin-bottom: 1.2rem;
}
.preview-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--title-color);
  letter-spacing: -.01em;
  margin-bottom: .4rem;
}
.preview-tip {
  color: var(--muted-color);
  font-size: .92rem;
  margin-bottom: 1rem;
}
.preview-status {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  font-size: 14px;
  font-weight: 600;
  color: var(--teal);
  padding: .55rem 1rem;
  background: #F8FAFC;
  border-radius: var(--radius-pill);
}
.card {
  background: #fff;
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  transition: transform .18s cubic-bezier(.4, 0, .2, 1), box-shadow .18s cubic-bezier(.4, 0, .2, 1);
}
.card-hover:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-3px);
}
.icon-wrap {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: #EFF6FF;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
}
.cap-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.cap-card {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.cap-card h3 {
  color: var(--title-color);
  font-size: 1.125rem;
  font-weight: 600;
  margin: 1rem 0 .55rem;
}
.cap-card p {
  color: var(--muted-color);
  font-size: 15px;
  margin-bottom: 1rem;
  flex: 1;
}
.text-link {
  display: inline-flex;
  align-items: center;
  gap: .25rem;
  color: var(--primary);
  font-size: 14px;
  font-weight: 600;
  transition: gap .15s;
}
.text-link:hover {
  gap: .5rem;
}
.text-link i {
  font-size: .8rem;
}
.verify-strip {
  background: var(--bg-soft);
  border-top: 1px solid rgba(226, 232, 240, .6);
  border-bottom: 1px solid rgba(226, 232, 240, .6);
}
.strip-inner {
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: 2rem;
  padding-block: clamp(2rem, 4vw, 3.5rem);
  align-items: center;
}
.verify-copy h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--title-color);
  margin: .5rem 0 .5rem;
}
.verify-copy p {
  color: var(--muted-color);
  font-size: 15px;
  margin-bottom: 0;
}
.verify-list {
  display: flex;
  flex-direction: column;
  gap: .9rem;
}
.verify-row {
  display: flex;
  align-items: center;
  gap: .8rem;
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-card);
  padding: .9rem 1.1rem;
  font-size: 15px;
  color: var(--body-color);
}
.verify-row .status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #10B981;
  flex-shrink: 0;
}
.verify-row .status-dot.warn {
  background: #F59E0B;
}
.verify-row .status-text {
  font-weight: 600;
  color: var(--title-color);
  margin-right: auto;
}
.scene-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
  margin-bottom: clamp(3rem, 6vw, 5rem);
}
.scene-row:last-child {
  margin-bottom: 0;
}
.scene-media {
  position: relative;
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
.scene-media img {
  aspect-ratio: 4 / 3;
  object-fit: cover;
  width: 100%;
}
.media-badge {
  position: absolute;
  left: 1rem;
  bottom: 1rem;
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  background: rgba(255, 255, 255, .92);
  color: var(--title-color);
  font-size: 13px;
  font-weight: 600;
  border-radius: var(--radius-pill);
  padding: .4rem .9rem;
  backdrop-filter: blur(4px);
  box-shadow: 0 4px 12px rgba(15, 23, 42, .08);
}
.media-badge i {
  color: var(--palette-teal);
  color: var(--teal);
}
.scene-content .scene-tag {
  font-size: 14px;
  font-weight: 700;
  color: var(--teal);
  letter-spacing: .02em;
  margin-bottom: .6rem;
}
.scene-content h3 {
  font-size: 1.5rem;
  color: var(--title-color);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -.01em;
  margin-bottom: 1rem;
}
.check-list {
  display: flex;
  flex-direction: column;
  gap: .6rem;
  margin-bottom: 1.5rem;
}
.check-list li {
  display: flex;
  align-items: center;
  gap: .5rem;
  color: var(--body-color);
  font-size: 15px;
}
.check-list li i {
  color: var(--teal);
  font-size: .95rem;
}
.evidence-section {
  background: var(--bg-soft);
}
.evidence-card {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 2.5rem;
  padding: clamp(1.5rem, 4vw, 2.8rem);
  background: #fff;
  border-radius: 16px;
  box-shadow: var(--shadow-card);
  align-items: center;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.stat-item {
  text-align: center;
  background: #F8FAFC;
  border-radius: var(--radius-card);
  padding: 1.2rem .6rem;
}
.stat-num {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
}
.stat-label {
  font-size: 13px;
  color: var(--muted-color);
  margin-top: .25rem;
}
.record-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--title-color);
  margin-bottom: .7rem;
}
.record-list {
  display: flex;
  flex-direction: column;
  gap: .65rem;
}
.record-list li {
  display: flex;
  align-items: flex-start;
  gap: .5rem;
  color: var(--body-color);
  font-size: 15px;
  line-height: 1.5;
}
.record-list li i {
  color: var(--teal);
  margin-top: .3rem;
  font-size: .85rem;
}
.record-note {
  margin-top: .8rem;
  font-size: 13px;
  color: var(--muted-color);
  background: #F8FAFC;
  border-radius: 8px;
  padding: .45rem .8rem;
}
.free-card {
  border-radius: 18px;
  background: #fff;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-card);
  padding: clamp(1.5rem, 4vw, 2.6rem);
  display: flex;
  flex-direction: column;
}
.free-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1.4rem;
}
.free-head h2 {
  font-size: clamp(1.3rem, 2vw, 1.7rem);
  color: var(--title-color);
  margin: .3rem 0 0;
  font-weight: 700;
}
.free-head .badge-free {
  background: #F0FDF9;
  color: var(--teal);
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 600;
  padding: .4rem 1rem;
}
.free-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: 1.6rem;
}
.free-feature {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-card);
  padding: 1.2rem 1rem;
  text-align: center;
}
.free-feature i {
  color: var(--teal);
  font-size: 1.4rem;
  margin-bottom: .4rem;
}
.free-feature h3 {
  font-size: 15px;
  color: var(--title-color);
  font-weight: 600;
  margin-bottom: .2rem;
}
.free-feature p {
  font-size: 13px;
  color: var(--muted-color);
  margin-bottom: 0;
}
.free-foot {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  border-top: 1px solid var(--border-color);
  padding-top: 1.5rem;
}
.updates-section {
  background: var(--bg-soft);
}
.updates-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.8rem;
}
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.news-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
}
.news-thumb {
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, #DBEAFE, #EFF6FF);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 1.5rem;
  font-weight: 700;
  border-bottom: 1px solid var(--border-color);
}
.news-content {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 1.25rem 1.25rem 1.1rem;
}
.news-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .5rem;
  color: var(--muted-color);
  font-size: 13px;
  margin-bottom: .65rem;
}
.news-meta .cat-badge {
  background: #EFF6FF;
  color: #1D4ED8;
  border-radius: 6px;
  padding: .15rem .6rem;
  font-size: 12px;
  font-weight: 600;
}
.news-card h3 {
  font-size: 1.02rem;
  line-height: 1.5;
  color: var(--title-color);
  font-weight: 600;
  margin-bottom: .45rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-card h3 a {
  color: inherit;
  transition: color .15s;
}
.news-card h3 a:hover {
  color: var(--primary);
}
.news-card .news-excerpt {
  color: var(--muted-color);
  font-size: 14px;
  line-height: 1.65;
  margin-bottom: .9rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-card .read-more {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  color: var(--primary);
  font-size: 14px;
  font-weight: 600;
  margin-top: auto;
  transition: gap .15s;
}
.news-card .read-more:hover {
  gap: .5rem;
}
.news-empty {
  background: #fff;
  border: 1px dashed var(--palette-border, var(--border-color));
  border-radius: var(--radius-card);
  text-align: center;
  color: var(--muted-color);
  padding: 2.2rem 1rem;
  font-size: 15px;
}
.faq-wrap {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}
.faq-aside {
  position: sticky;
  top: 7rem;
}
.faq-list {
  display: flex;
  flex-direction: column;
}
.faq-item {
  border-bottom: 1px solid var(--border-color);
}
.faq-item:first-child {
  border-top: 1px solid var(--border-color);
}
.faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem .2rem;
  font-weight: 600;
  color: var(--title-color);
  font-size: 15px;
  transition: color .15s;
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary:hover {
  color: var(--primary);
}
.faq-icon {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--primary);
  font-size: .8rem;
  transition: transform .2s ease;
}
.faq-item[open] .faq-icon {
  transform: rotate(180deg);
}
.faq-answer {
  padding: 0 .2rem 1.2rem;
  color: #475569;
  font-size: 14px;
  line-height: 1.8;
}
.cta-sec {
  background: var(--bg-body);
}
.cta-panel {
  background: linear-gradient(115deg, #EFF6FF 0%, #FFFFFF 55%, #F3F7FC 100%);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: clamp(2rem, 5vw, 3.5rem) clamp(1.5rem, 5vw, 4rem);
  text-align: center;
  overflow: hidden;
  position: relative;
}
.cta-panel::after {
  content: "";
  position: absolute;
  right: -80px;
  top: -80px;
  width: 220px;
  height: 220px;
  background: rgba(37, 99, 235, .06);
  border-radius: 50%;
}
.cta-panel h2 {
  font-size: clamp(1.5rem, 2.8vw, 2rem);
  color: var(--title-color);
  font-weight: 700;
  letter-spacing: -.01em;
  margin-bottom: .7rem;
  position: relative;
  z-index: 2;
}
.cta-panel p {
  max-width: 700px;
  margin: 0 auto 1.7rem;
  color: var(--muted-color);
  font-size: 15px;
  position: relative;
  z-index: 2;
}
.site-footer {
  background: #0B1220;
  color: #CBD5E1;
  margin-top: 0;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr .8fr;
  gap: 2.5rem;
  padding: clamp(3rem, 6vw, 5rem) 0 2.4rem;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: .6rem;
  color: #fff;
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 1rem;
}
.footer-brand .brand-mark {
  background: var(--primary);
}
.footer-desc {
  color: #94A3B8;
  font-size: 14px;
  line-height: 1.8;
  max-width: 320px;
}
.footer-col h4 {
  color: #F1F5F9;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 1rem;
}
.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: .55rem;
}
.footer-col a {
  color: #94A3B8;
  font-size: 14px;
  transition: color .15s;
}
.footer-col a:hover {
  color: #fff;
}
.footer-legal {
  font-size: 12px;
  color: #64748B;
  line-height: 1.8;
  border-top: 1px solid rgba(255, 255, 255, .08);
  padding: 1.1rem 0;
  text-align: center;
}
.footer-copy {
  display: block;
  margin-bottom: .2rem;
}
@media (max-width: 1024px) {
  .cap-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .news-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
  .strip-inner {
    grid-template-columns: 1fr;
  }
  .evidence-card {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 767px) {
  .nav-pill {
    flex-wrap: wrap;
    padding: .6rem .9rem;
    border-radius: 22px;
  }
  .nav-links {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    background: #fff;
    border-radius: 16px;
    padding: .8rem;
    gap: .35rem;
    box-shadow: var(--shadow-nav);
    border: 1px solid var(--border-color);
  }
  .nav-pill.nav-open .nav-links {
    display: flex;
  }
  .menu-btn {
    display: inline-flex;
  }
  .txt-link-full {
    justify-content: center;
  }
  .hero-inner {
    grid-template-columns: 1fr;
    padding-top: 7.5rem;
  }
  .launch-preview {
    margin: 0 auto;
  }
  .cap-grid {
    grid-template-columns: 1fr;
  }
  .scene-row {
    grid-template-columns: 1fr;
    gap: 1.8rem;
  }
  .scene-row:nth-of-type(2) .scene-media {
    order: 1;
  }
  .free-features {
    grid-template-columns: 1fr;
  }
  .news-grid {
    grid-template-columns: 1fr;
  }
  .faq-wrap {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .faq-aside {
    position: static;
  }
  .stats-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: .5rem;
  }
  .stat-num {
    font-size: 1.2rem;
  }
  .footer-top {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .hero-actions .btn {
    width: 100%;
  }
  .trust-line {
    justify-content: flex-start;
  }
}
@media (max-width: 520px) {
  .container-cus {
    width: min(100% - 32px, 1200px);
  }
  .nav-cta {
    display: none;
  }
  .brand {
    font-size: 1rem;
  }
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .footer-top {
    gap: 1.7rem;
  }
}
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}

/* roulang page: category1 */
:root {
  --clr-base: #0B1220;
  --clr-body: #334155;
  --clr-muted: #64748B;
  --clr-faint: #CBD5E1;
  --clr-line: #E2E8F0;
  --clr-bg: #F8FAFC;
  --clr-soft: #EEF2F7;
  --clr-card: #FFFFFF;
  --clr-primary: #2563EB;
  --clr-primary-dark: #1D4ED8;
  --clr-primary-soft: #EFF6FF;
  --clr-accent: #0F766E;
  --clr-accent-soft: #F0FDFA;
  --clr-danger: #DC2626;
  --r-card: 16px;
  --r-box: 12px;
  --r-pill: 999px;
  --shadow-sm: 0 1px 2px rgba(15,23,42,0.04), 0 1px 3px rgba(15,23,42,0.06);
  --shadow-md: 0 8px 20px rgba(15,23,42,0.06);
  --shadow-menu: 0 4px 24px rgba(15,23,42,0.08);
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --dur: 160ms;
}
html {
  scroll-behavior: smooth;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  background: var(--clr-bg);
  color: var(--clr-body);
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
}
button,
input,
select,
textarea {
  font: inherit;
}
.container-cus {
  max-width: 1160px;
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2rem);
}
.section {
  padding-block: clamp(3.5rem, 7vw, 5.5rem);
}
.section-light {
  background: var(--clr-bg);
}
.section-soft {
  background: var(--clr-soft);
}

/* Header + Navigations */
.site-header {
  position: sticky;
  top: 14px;
  z-index: 50;
  background: transparent;
}
.nav-shell {
  padding-inline: clamp(0.75rem, 2vw, 2rem);
}
.nav-pill {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  max-width: 1100px;
  margin-inline: auto;
  min-height: 64px;
  padding: 0.5rem 0.75rem 0.5rem 0.85rem;
  border-radius: var(--r-pill);
  background: rgba(255, 255, 255, 0.82);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(226, 232, 240, 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition: box-shadow var(--dur) var(--ease);
}
.nav-pill:hover {
  box-shadow: var(--shadow-menu);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--clr-base);
  white-space: nowrap;
  transition: opacity var(--dur) var(--ease);
}
.brand:hover {
  opacity: 0.85;
}
.brand-mark {
  width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--clr-primary);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  flex: none;
}
.nav-links {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}
.nav-link {
  display: inline-flex;
  align-items: center;
  padding: 0.42rem 0.75rem;
  border-radius: var(--r-pill);
  font-size: 0.925rem;
  font-weight: 500;
  color: #334155;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.nav-link:hover {
  background: var(--clr-soft);
  color: var(--clr-base);
}
.nav-link.active {
  background: rgba(37, 99, 235, 0.08);
  color: #1D4ED8;
  font-weight: 600;
}
.menu-btn {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--clr-line);
  border-radius: var(--r-pill);
  background: #fff;
  color: var(--clr-base);
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.menu-btn:hover {
  border-color: #94A3B8;
  background: #F8FAFC;
}
.menu-btn.is-open i::before {
  content: "\f00d";
}
.nav-cta {
  margin-left: 0.25rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border: 1px solid transparent;
  border-radius: var(--r-pill);
  padding: 0.72rem 1.45rem;
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.2;
  cursor: pointer;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur) var(--ease), box-shadow var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.btn-primary {
  background: var(--clr-primary);
  color: #fff;
  box-shadow: 0 6px 16px rgba(37, 99, 235, 0.18);
}
.btn-primary:hover {
  background: var(--clr-primary-dark);
  box-shadow: 0 8px 22px rgba(37, 99, 235, 0.22);
}
.btn-outline {
  border-color: #CBD5E1;
  background: #fff;
  color: var(--clr-base);
}
.btn-outline:hover {
  border-color: #94A3B8;
  background: #F8FAFC;
}
.btn-light {
  background: #fff;
  color: var(--clr-primary-dark);
}
.btn-light:hover {
  background: #EFF6FF;
  box-shadow: var(--shadow-sm);
}
.btn:active {
  transform: translateY(1px);
}
.btn:focus-visible,
.nav-link:focus-visible,
.text-link:focus-visible,
.accordion summary:focus-visible {
  outline: none;
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.2);
}
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--clr-primary);
  font-size: 0.9rem;
  font-weight: 600;
  transition: gap var(--dur) var(--ease), color var(--dur) var(--ease);
}
.text-link:hover {
  color: var(--clr-primary-dark);
  gap: 0.6rem;
}
.link-arrow {
  transition: transform var(--dur) var(--ease);
}

/* Hero compact with backpic */
.hero-compact {
  position: relative;
  padding: clamp(2.8rem, 6vw, 5rem) 0;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(248, 250, 252, 0.92)),
    url('/assets/images/backpic/back-1.webp') center / cover no-repeat;
  border-bottom: 1px solid rgba(226, 232, 240, 0.8);
}
.hero-split {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: center;
}
.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--clr-primary-soft);
  color: #1D4ED8;
  border-radius: var(--r-pill);
  padding: 0.35rem 0.75rem;
  font-size: 0.8rem;
  font-weight: 600;
}
.hero-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--clr-accent);
  display: inline-block;
}
.hero-title {
  margin: 1rem 0 0.7rem;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--clr-base);
  font-weight: 700;
}
.hero-sub {
  margin: 0 0 1.4rem;
  max-width: 30rem;
  font-size: 1.05rem;
  color: var(--clr-muted);
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1rem;
}
.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  color: var(--clr-muted);
  font-size: 0.82rem;
}
.hero-trust span {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}
.hero-trust i {
  color: var(--clr-accent);
  font-size: 0.9rem;
}

/* Entry check card */
.official-preview-card {
  background: #fff;
  border-radius: 18px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--clr-line);
  overflow: hidden;
}
.preview-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.8rem 1rem;
  background: #F8FAFC;
  border-bottom: 1px solid var(--clr-line);
}
.preview-dots {
  display: flex;
  gap: 5px;
}
.preview-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #CBD5E1;
}
.preview-dots span:first-child {
  background: #94A3B8;
}
.preview-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: var(--clr-accent-soft);
  color: var(--clr-accent);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  border-radius: var(--r-pill);
}
.preview-body {
  padding: 1.25rem;
}
.preview-label {
  font-size: 0.8rem;
  color: var(--clr-muted);
  margin-bottom: 0.4rem;
}
.preview-address {
  background: #F1F5F9;
  border: 1px solid var(--clr-line);
  border-radius: 10px;
  padding: 0.8rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--clr-base);
  font-weight: 600;
  font-size: 0.95rem;
}
.preview-address i {
  color: var(--clr-primary);
}
.preview-list {
  list-style: none;
  margin: 1rem 0;
  padding: 0;
  display: grid;
  gap: 0.3rem;
}
.preview-list li {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--clr-body);
  font-size: 0.82rem;
}
.preview-list li i {
  color: var(--clr-accent);
  width: 14px;
}
.preview-foot {
  padding: 0.9rem 1.25rem;
  background: var(--clr-primary-soft);
  border-top: 1px solid rgba(37, 99, 235, 0.08);
  font-size: 0.82rem;
  color: #1E40AF;
}

/* Section titles */
.section-title {
  margin: 0;
  color: var(--clr-base);
  font-size: clamp(1.5rem, 2.6vw, 2rem);
  line-height: 1.3;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.section-desc {
  margin: 0.7rem 0 1.6rem;
  color: var(--clr-muted);
  max-width: 42rem;
}

/* TOC layout */
.toc-layout {
  display: grid;
  grid-template-columns: 244px minmax(0, 1fr);
  gap: clamp(1.5rem, 3.5vw, 3rem);
  align-items: start;
}
.toc-panel {
  position: sticky;
  top: 112px;
}
.toc-box {
  background: #fff;
  border: 1px solid var(--clr-line);
  border-radius: 16px;
  padding: 1rem 1rem 0.8rem;
  box-shadow: var(--shadow-sm);
}
.toc-label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--clr-muted);
  font-weight: 700;
  padding: 0.2rem 0.4rem 0.55rem;
}
.toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.toc-list li + li {
  border-top: 1px solid var(--clr-line);
}
.toc-list a {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem 0.4rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--clr-body);
  border-radius: 8px;
  transition: color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}
.toc-list a::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--clr-faint);
  flex: none;
  transition: background var(--dur) var(--ease);
}
.toc-list a:hover {
  color: var(--clr-primary);
  padding-left: 0.55rem;
}
.toc-list a:hover::before {
  background: var(--clr-primary);
}
.toc-note {
  margin-top: 0.85rem;
  border-radius: 12px;
  background: #F1F5F9;
  padding: 0.7rem 0.85rem;
  display: flex;
  gap: 0.45rem;
  align-items: flex-start;
  font-size: 0.78rem;
  color: var(--clr-muted);
}
.toc-note i {
  color: var(--clr-accent);
  margin-top: 0.18rem;
}

/* Article / content blocks */
.toc-content {
  min-width: 0;
  max-width: 760px;
}
.content-block {
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
  scroll-margin-top: 120px;
}
.content-block h2 {
  margin: 0 0 1rem;
  color: var(--clr-base);
  font-size: clamp(1.3rem, 2vw, 1.6rem);
  line-height: 1.35;
  font-weight: 700;
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
}
.heading-num {
  color: var(--clr-primary);
  font-size: 0.8em;
  font-weight: 700;
  letter-spacing: 0.02em;
}
.content-block p {
  margin: 0 0 1.1rem;
}
.content-callout {
  border-left: 4px solid var(--clr-accent);
  background: var(--clr-accent-soft);
  padding: 0.9rem 1rem;
  border-radius: 0 12px 12px 0;
  color: #115E59;
  font-size: 0.9rem;
  margin: 1.2rem 0;
}

/* Feature cards */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
  margin-top: 0.6rem;
}
.feature-item {
  background: #fff;
  border: 1px solid var(--clr-line);
  border-radius: 14px;
  padding: 1rem 1.1rem;
  box-shadow: var(--shadow-sm);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.feature-item:hover {
  transform: translateY(-2px);
  border-color: #BFDBFE;
  box-shadow: var(--shadow-md);
}
.feature-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 24px;
  height: 24px;
  border-radius: 8px;
  background: var(--clr-primary-soft);
  color: #1D4ED8;
  font-size: 0.78rem;
  font-weight: 700;
  margin-bottom: 0.7rem;
}
.feature-item h3 {
  margin: 0 0 0.4rem;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--clr-base);
  font-weight: 700;
}
.feature-item p {
  margin: 0;
  font-size: 0.86rem;
  color: var(--clr-muted);
}

/* Figure */
.visual-note {
  margin: 2rem 0 2.4rem;
}
.visual-note img {
  width: 100%;
  max-height: 360px;
  object-fit: cover;
  border-radius: 14px;
  box-shadow: var(--shadow-sm);
}
.visual-note figcaption {
  text-align: center;
  color: var(--clr-muted);
  font-size: 0.82rem;
  margin-top: 0.55rem;
}

/* Checklist step list */
.step-list {
  list-style: none;
  margin: 1.4rem 0;
  padding: 0;
  counter-reset: stepCount;
}
.step-list li {
  position: relative;
  padding: 0 0 0 4.3rem;
  margin-bottom: 1.1rem;
  min-height: 2.4rem;
}
.step-list li::before {
  counter-increment: stepCount;
  content: "0" counter(stepCount);
  position: absolute;
  left: 0;
  top: 0;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--clr-primary-soft);
  color: var(--clr-primary);
  font-size: 0.84rem;
  font-weight: 700;
  line-height: 1;
}
.step-list li strong {
  display: block;
  color: var(--clr-base);
  font-weight: 700;
  font-size: 0.98rem;
  margin-bottom: 0.1rem;
}
.step-list li p {
  margin: 0;
  color: var(--clr-muted);
  font-size: 0.9rem;
}

/* Signal list */
.signal-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
  margin: 1rem 0;
}
.signal-item {
  background: var(--clr-card);
  border-radius: 14px;
  border: 1px solid var(--clr-line);
  padding: 0.95rem 1rem;
  display: flex;
  gap: 0.7rem;
  align-items: flex-start;
}
.signal-icon {
  color: var(--clr-danger);
  font-size: 0.9rem;
  flex: none;
  width: 18px;
  height: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #FEF2F2;
  border-radius: 50%;
}
.signal-item span {
  color: var(--clr-base);
  font-size: 0.88rem;
  font-weight: 500;
}

/* Record strip */
.record-band {
  background: #fff;
  border-block: 1px solid var(--clr-line);
}
.record-card {
  background: linear-gradient(135deg, #EFF6FF 0%, #F8FAFC 55%, #F0FDFA 100%);
  border: 1px solid rgba(37, 99, 235, 0.12);
  border-radius: 20px;
  padding: clamp(1.3rem, 3vw, 2.1rem);
  box-shadow: var(--shadow-sm);
}
.record-card-head {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--clr-primary-dark);
  margin-bottom: 1.2rem;
}
.record-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}
.record-stat {
  background: rgba(255, 255, 255, 0.74);
  border-radius: 14px;
  padding: 0.9rem 1rem;
  border: 1px solid rgba(226, 232, 240, 0.8);
}
.record-stat b {
  display: block;
  color: var(--clr-base);
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.4;
}
.record-stat span {
  color: var(--clr-muted);
  font-size: 0.82rem;
}

/* FAQ */
.faq-section {
  background: var(--clr-soft);
}
.faq-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(1.2rem, 4vw, 3.5rem);
  align-items: start;
}
.faq-grid h2 {
  margin: 0 0 0.7rem;
  color: var(--clr-base);
  font-size: clamp(1.45rem, 2.4vw, 2rem);
  line-height: 1.3;
  font-weight: 700;
}
.faq-grid > p {
  color: var(--clr-muted);
  margin: 0 0 1.2rem;
}
.faq-panel {
  background: #fff;
  border-radius: 18px;
  border: 1px solid var(--clr-line);
  padding: 0.4rem 1.1rem;
  box-shadow: var(--shadow-sm);
}
.faq-panel details {
  border-bottom: 1px solid var(--clr-line);
  padding: 0.9rem 0;
  scroll-margin-top: 110px;
}
.faq-panel details:last-child {
  border-bottom: none;
}
.faq-panel summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  color: var(--clr-base);
  font-weight: 700;
  font-size: 0.94rem;
  transition: color var(--dur) var(--ease);
}
.faq-panel summary::-webkit-details-marker {
  display: none;
}
.faq-panel summary:hover {
  color: var(--clr-primary);
}
.faq-icon {
  flex: none;
  width: 24px;
  height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--clr-primary-soft);
  color: var(--clr-primary);
  font-size: 0.8rem;
  font-weight: 700;
  transition: transform var(--dur) var(--ease), background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.faq-panel details[open] .faq-icon {
  transform: rotate(45deg);
  background: var(--clr-primary);
  color: #fff;
}
.faq-panel p {
  margin: 0.7rem 0 0.2rem;
  color: #475569;
  font-size: 0.88rem;
}

/* CTA block */
.cta-card {
  background: var(--clr-primary-soft);
  border: 1px solid rgba(37, 99, 235, 0.14);
  border-radius: 22px;
  padding: clamp(2rem, 5vw, 3.4rem);
  text-align: center;
  box-shadow: var(--shadow-sm);
}
.cta-card .cta-kicker {
  color: var(--clr-primary-dark);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  margin-bottom: 0.5rem;
}
.cta-card h2 {
  max-width: 33rem;
  margin: 0 auto 0.8rem;
  color: var(--clr-base);
  font-size: clamp(1.4rem, 2.4vw, 2rem);
  line-height: 1.35;
  font-weight: 700;
}
.cta-card p {
  max-width: 38rem;
  margin: 0 auto 1.4rem;
  color: var(--clr-muted);
  font-size: 0.95rem;
}
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
}

/* Footer */
.site-footer {
  background: #fff;
  border-top: 1px solid var(--clr-line);
  padding: clamp(2.5rem, 5vw, 4.5rem) 0 1.4rem;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.3fr 0.8fr 0.9fr 0.9fr;
  gap: clamp(1.2rem, 3vw, 2.2rem);
  margin-bottom: 2.4rem;
}
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1rem;
  font-weight: 700;
  color: var(--clr-base);
  margin-bottom: 0.6rem;
}
.footer-desc {
  margin: 0;
  color: var(--clr-muted);
  font-size: 0.85rem;
  max-width: 22rem;
}
.footer-col h4 {
  margin: 0 0 0.65rem;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--clr-base);
}
.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.35rem;
}
.footer-col ul a {
  color: var(--clr-muted);
  font-size: 0.83rem;
  transition: color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}
.footer-col ul a:hover {
  color: var(--clr-primary);
  padding-left: 0.2rem;
}
.footer-legal {
  border-top: 1px solid var(--clr-line);
  padding-top: 1.2rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.6rem;
  color: var(--clr-muted);
  font-size: 0.78rem;
}

/* Responsive */
@media (max-width: 1020px) {
  .hero-split {
    grid-template-columns: 1fr;
  }
  .feature-grid {
    grid-template-columns: 1fr 1fr;
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 860px) {
  .menu-btn {
    display: inline-flex;
  }
  .nav-links {
    display: none;
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    background: #fff;
    padding: 0.8rem;
    border-radius: 18px;
    box-shadow: var(--shadow-menu);
    border: 1px solid var(--clr-line);
    gap: 0.4rem;
  }
  .nav-links.open {
    display: flex;
  }
  .nav-link {
    padding: 0.7rem 0.9rem;
  }
  .nav-cta {
    margin: 0.5rem 0 0;
  }
  .nav-pill {
    padding-right: 0.6rem;
  }
  .toc-layout {
    grid-template-columns: 1fr;
  }
  .toc-panel {
    display: none;
    position: static;
  }
  .faq-grid {
    grid-template-columns: 1fr;
  }
  .signal-grid {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 600px) {
  .feature-grid {
    grid-template-columns: 1fr;
  }
  .record-stats {
    grid-template-columns: 1fr;
  }
  .footer-top {
    grid-template-columns: 1fr;
  }
  .hero-actions .btn {
    width: 100%;
  }
  .hero-title {
    font-size: 1.9rem;
  }
  .cta-actions .btn {
    width: 100%;
  }
  .section {
    padding-block: 3rem;
  }
}
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  html {
    scroll-behavior: auto;
  }
}

/* roulang page: article */
:root{
  --primary:#2563EB;
  --primary-deep:#1D4ED8;
  --teal:#0F766E;
  --bg:#F8FAFC;
  --surface:#FFFFFF;
  --soft:#EEF2F7;
  --title:#0B1220;
  --body:#334155;
  --muted:#64748B;
  --fade:#CBD5E1;
  --border:#E2E8F0;
  --danger:#DC2626;
  --radius:12px;
  --radius-pill:999px;
  --shadow-sm:0 1px 2px rgba(15,23,42,0.04),0 1px 3px rgba(15,23,42,0.06);
  --shadow-md:0 8px 20px rgba(15,23,42,0.06);
  --shadow-lg:0 4px 24px rgba(15,23,42,0.08);
  --ease:cubic-bezier(0.4,0,0.2,1);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  background:var(--bg);
  color:var(--body);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,summary{font-family:inherit;border:none;background:none;cursor:pointer}
ul,ol{list-style:none}
.container-cus{
  width:100%;
  max-width:1200px;
  margin-left:auto;
  margin-right:auto;
  padding-left:24px;
  padding-right:24px;
}
.container-narrow{
  width:100%;
  max-width:860px;
  margin-left:auto;
  margin-right:auto;
  padding-left:24px;
  padding-right:24px;
}
main{display:block;padding-top:96px}
@media(max-width:767px){
  main{padding-top:76px}
  .container-cus,.container-narrow{padding-left:16px;padding-right:16px}
}

/* ===== Header 悬浮胶囊导航 ===== */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:100;
  padding:14px 24px 0;
}
.nav-shell{max-width:1240px;margin-left:auto;margin-right:auto}
.nav-pill{
  display:flex;align-items:center;
  background:rgba(255,255,255,0.88);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-radius:var(--radius-pill);
  padding:8px 10px 8px 20px;
  border:1px solid rgba(226,232,240,0.8);
  box-shadow:var(--shadow-lg);
  transition:border-color 0.2s var(--ease),box-shadow 0.2s var(--ease);
}
.brand{
  display:flex;align-items:center;gap:10px;
  font-weight:800;font-size:1.2rem;color:var(--title);
  letter-spacing:-0.01em;
  white-space:nowrap;
  margin-right:20px;
}
.brand-mark{
  width:36px;height:36px;flex:0 0 36px;
  display:flex;align-items:center;justify-content:center;
  background:var(--primary);color:#fff;
  font-size:0.95rem;font-weight:800;
  border-radius:12px;
  letter-spacing:0;
}
.nav-links{
  display:flex;align-items:center;gap:2px;
  margin-left:auto;
}
.nav-link{
  display:inline-flex;align-items:center;
  padding:8px 14px;
  border-radius:var(--radius-pill);
  font-size:0.95rem;font-weight:500;
  color:#1E293B;
  transition:background 0.16s var(--ease),color 0.16s var(--ease);
}
.nav-link:hover{background:#EFF6FF;color:var(--primary)}
.nav-link.active{background:rgba(37,99,235,0.08);color:var(--primary);font-weight:600}
.menu-btn{
  display:none;
  width:42px;height:42px;border-radius:50%;
  background:var(--soft);
  align-items:center;justify-content:center;
  color:var(--title);font-size:1.1rem;
  margin-left:8px;
  transition:background 0.2s var(--ease),color 0.2s var(--ease);
}
.menu-btn:hover{background:#E2E8F0}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-pill);
  padding:0.72rem 1.6rem;
  font-size:0.9rem;font-weight:600;
  line-height:1.4;
  white-space:nowrap;
  transition:background 0.16s var(--ease),border-color 0.16s var(--ease),transform 0.16s var(--ease),box-shadow 0.16s var(--ease);
}
.btn:focus-visible,.nav-link:focus-visible,.menu-btn:focus-visible{
  outline:none;box-shadow:0 0 0 4px rgba(37,99,235,0.2);
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 4px 12px rgba(37,99,235,0.14)}
.btn-primary:hover{background:var(--primary-deep);box-shadow:0 6px 16px rgba(37,99,235,0.22)}
.btn-outline{background:#fff;border:1px solid var(--border);color:var(--title)}
.btn-outline:hover{border-color:#94A3B8;background:#F8FAFC}
.btn-ghost{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:600;padding:0.5rem 0.2rem;border-radius:8px;font-size:0.9rem;transition:color 0.16s var(--ease),gap 0.16s var(--ease)}
.btn-ghost i{transition:transform 0.16s var(--ease)}
.btn-ghost:hover i{transform:translate(2px,-2px)}
.nav-cta{margin-left:10px}
@media(max-width:1024px){
  .nav-link{padding:8px 10px;font-size:0.88rem}
  .brand{font-size:1.05rem}
  .nav-cta{padding:0.6rem 1.2rem;font-size:0.85rem}
}
@media(max-width:767px){
  .site-header{padding:10px 12px 0}
  .nav-pill{position:relative;justify-content:space-between;padding:7px 7px 7px 16px}
  .brand{margin-right:0;font-size:1rem;gap:8px}
  .brand-mark{width:32px;height:32px;flex-basis:32px;font-size:0.85rem;border-radius:10px}
  .menu-btn{display:flex}
  .nav-links{
    position:absolute;top:calc(100% + 10px);left:0;right:0;
    background:#fff;border-radius:var(--radius);
    padding:14px;
    box-shadow:var(--shadow-lg);
    flex-direction:column;align-items:stretch;
    gap:6px;
    max-height:0;
    overflow:hidden;
    opacity:0;
    transform:translateY(-6px);
    pointer-events:none;
    transition:max-height 0.2s var(--ease),opacity 0.2s var(--ease),transform 0.2s var(--ease);
    border:1px solid #F1F5F9;
  }
  .nav-links.open{
    max-height:420px;opacity:1;transform:translateY(0);pointer-events:auto;
  }
  .nav-link{padding:12px 14px;border-radius:10px;font-size:1rem}
  .nav-link:hover{background:var(--soft)}
  .nav-cta{margin:8px 0 0;width:100%;justify-content:center}
}

/* ===== 文章 Hero ===== */
.post-hero{
  position:relative;
  overflow:hidden;
  background:#fff;
  border-bottom:1px solid #EEF2F7;
}
.post-hero-bg{
  position:absolute;inset:0;
  background-size:cover;background-position:center;
}
.post-hero-mask{
  position:absolute;inset:0;
  background:rgba(255,255,255,0.93);
}
.post-hero-inner{
  position:relative;
  z-index:2;
  padding:clamp(2.2rem,5vw,4.5rem) 0 clamp(3rem,6vw,5rem);
}
.crumbs{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:0.85rem;color:var(--muted);
  margin-bottom:20px;
}
.crumbs a{color:var(--primary);transition:color 0.16s var(--ease)}
.crumbs a:hover{color:var(--primary-deep)}
.crumbs .sep{color:#CBD5E1}
.post-cat-badge{
  display:inline-flex;align-items:center;gap:6px;
  background:#EFF6FF;
  color:#1D4ED8;
  font-size:0.78rem;font-weight:600;
  padding:0.3rem 0.8rem;
  border-radius:999px;
  margin-bottom:16px;
}
.post-hero .post-title{
  font-size:clamp(1.9rem,3.4vw,2.9rem);
  line-height:1.25;
  color:var(--title);
  font-weight:700;
  letter-spacing:-0.02em;
  max-width:880px;
  margin-bottom:18px;
}
.post-meta{
  display:flex;align-items:center;flex-wrap:wrap;gap:10px 20px;
  margin-top:8px;margin-bottom:22px;
  font-size:0.85rem;color:var(--muted);
}
.post-meta span{display:inline-flex;align-items:center;gap:6px}
.post-meta i{color:#94A3B8;font-size:0.9rem}
.post-summary{
  background:#F1F5F9;
  border-left:3px solid var(--primary);
  border-radius:0 10px 10px 0;
  padding:1rem 1.25rem;
  color:var(--title);
  font-size:0.98rem;
  line-height:1.85;
  max-width:860px;
  -webkit-line-clamp:3;
  overflow:hidden;
}

/* ===== 文章卡片 ===== */
.article-zone{
  position:relative;
  z-index:5;
  width:100%;
  max-width:1000px;
  margin:0 auto;
  padding:0 16px;
}
.article-card{
  background:#fff;
  border-radius:16px;
  box-shadow:var(--shadow-md);
  padding:clamp(1.6rem,4vw,3.4rem) clamp(1.2rem,4.5vw,3.2rem);
  margin-top:-2.2rem;
  position:relative;
}
.article-body p{
  margin-bottom:1.2em;
  color:#334155;
  font-size:1rem;
  line-height:1.9;
}
.article-body h2{
  font-size:1.6rem;
  font-weight:700;
  color:var(--title);
  margin-top:2.2em;
  margin-bottom:0.8em;
  letter-spacing:-0.01em;
}
.article-body h3{
  font-size:1.2rem;
  font-weight:600;
  color:var(--title);
  margin-top:1.6em;
  margin-bottom:0.6em;
}
.article-body ul{
  list-style:disc;
  padding-left:1.4em;
  margin:1.2em 0;
}
.article-body ol{
  list-style:decimal;
  padding-left:1.4em;
  margin:1.2em 0;
}
.article-body li{margin-bottom:0.3em}
.article-body blockquote{
  border-left:4px solid var(--primary);
  background:#F8FAFC;
  margin:1.5em 0;
  padding:0.9rem 1.2rem;
  border-radius:2px 10px 10px 2px;
  color:#1E293B;
}
.article-body img{
  max-width:100%;
  height:auto;
  border-radius:10px;
  margin:1.6em auto;
}
.article-body a{color:var(--primary);text-decoration:underline;text-underline-offset:2px}
.article-body pre{
  background:#0F172A;color:#E2E8F0;
  border-radius:10px;
  padding:1rem 1.2rem;
  overflow-x:auto;
  font-size:0.9rem;
  margin:1.4em 0;
}

/* ===== 核验记录小卡片 ===== */
.verify-strip{
  background:#F8FAFC;
  border-radius:16px;
  border:1px solid #EEF2F7;
  padding:1.4rem;
  margin-top:2.4rem;
  display:flex;
  align-items:flex-start;
  gap:1rem;
}
.verify-icon{
  flex:0 0 44px;
  width:44px;height:44px;
  background:#E6F7F2;
  color:var(--teal);
  border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  font-size:1.1rem;
}
.verify-strip h3{font-size:1rem;font-weight:600;color:var(--title);margin-bottom:4px}
.verify-strip p{font-size:0.9rem;color:var(--muted);line-height:1.7;width:100%}

/* ===== 返回行 ===== */
.back-actions{
  max-width:1000px;
  margin:2.4rem auto 0;
  padding:0 24px;
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  justify-content:center;
}
@media(max-width:767px){
  .back-actions{flex-direction:column;align-items:stretch}
  .back-actions .btn{width:100%}
}
.post-faq{
  background:var(--soft);
  margin-top:5rem;
  padding:clamp(3rem,6vw,5rem) 0;
}
.faq-grid{
  display:grid;
  grid-template-columns:0.8fr 1.2fr;
  gap:3.5rem;
  align-items:start;
}
.faq-grid .lead-title{font-size:clamp(1.6rem,2.6vw,2.2rem);color:var(--title);font-weight:700;line-height:1.3;letter-spacing:-0.02em}
.faq-grid .lead-title span{color:var(--primary)}
.faq-grid .lead-tip{color:var(--muted);font-size:0.95rem;margin-top:14px}
.faq-list details{
  background:#fff;
  border-radius:var(--radius);
  box-shadow:var(--shadow-sm);
  padding:1.05rem 1.4rem;
  margin-bottom:12px;
  transition:box-shadow 0.2s var(--ease);
}
.faq-list details:hover{box-shadow:var(--shadow-md)}
.faq-list summary{
  display:flex;justify-content:space-between;align-items:center;gap:16px;
  font-weight:600;color:var(--title);
  cursor:pointer;
  font-size:0.97rem;
  list-style:none;
}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary i{color:#94A3B8;transition:transform 0.2s var(--ease);flex:0 0 auto}
.faq-list details[open] summary i{transform:rotate(180deg)}
.faq-list .faq-answer{
  padding-top:12px;margin-top:12px;
  border-top:1px solid #F1F5F9;
  color:#475569;
  font-size:0.92rem;
  line-height:1.75;
}
  
/* ===== 页面 CTA ===== */
.entry-cta-wrap{
  max-width:1200px;
  margin:0 auto;
  padding:5rem 24px 5rem;
}
.entry-cta-card{
  position:relative;
  overflow:hidden;
  background:#EFF6FF;
  border-radius:22px;
  padding:clamp(2.2rem,5.5vw,4.5rem) clamp(1.4rem,4vw,3.5rem);
  box-shadow:var(--shadow-md);
}
.entry-cta-card .cta-img{
  position:absolute;inset:0;width:100%;height:100%;
  object-fit:cover;object-position:center;
  opacity:0.1;
}
.entry-cta-card .cta-inner{
  position:relative;z-index:2;
  text-align:center;
  max-width:760px;
  margin:0 auto;
}
.entry-cta-card .cta-inner h2{font-size:clamp(1.7rem,3vw,2.4rem);color:var(--title);font-weight:700;line-height:1.3}
.entry-cta-card .cta-inner p{color:var(--muted);margin:18px 0 24px;font-size:1rem}
.entry-cta-card .btn-row{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.entry-cta-card .cta-badge{
  display:inline-flex;align-items:center;gap:6px;
  background:#E6F7F2;
  color:var(--teal);
  font-size:0.8rem;font-weight:600;
  padding:0.4rem 1rem;
  border-radius:999px;
  margin-bottom:16px;
}
@media(max-width:767px){
  .faq-grid{grid-template-columns:1fr;gap:2rem}
  .entry-cta-card .btn-row{flex-direction:column;align-items:stretch}
  .entry-cta-card .btn-row .btn{width:100%}
  .article-card{margin-top:-1.2rem}
}

/* ===== CMS 空态 ===== */
.cms-empty{
  max-width:640px;
  margin:4rem auto;
  background:#fff;
  border-radius:20px;
  box-shadow:var(--shadow-md);
  padding:3rem 2rem;
  text-align:center;
}
.cms-empty i{
  font-size:2.4rem;
  color:var(--fade);
  margin-bottom:16px;
}
.cms-empty h1{font-size:1.6rem;color:var(--title);font-weight:700;margin-bottom:10px}
.cms-empty p{color:var(--muted);margin-bottom:24px;font-size:0.98rem}

/* ===== 页脚 ===== */
.site-footer{
  background:#FFFFFF;
  border-top:1px solid #E2E8F0;
  padding-top:clamp(2.5rem,4vw,4rem);
  margin-top:2rem;
}
.site-footer .footer-top{
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:2rem;
}
.footer-brand{
  display:flex;align-items:center;gap:10px;
  font-size:1.15rem;font-weight:800;color:var(--title);
  margin-bottom:12px;
}
.footer-desc{font-size:0.88rem;line-height:1.8;color:var(--muted);max-width:250px}
.site-footer .footer-col h4{
  font-size:0.95rem;font-weight:600;color:var(--title);
  margin-bottom:14px;
}
.site-footer .footer-col ul li{margin-bottom:9px}
.site-footer .footer-col ul a{
  color:var(--muted);font-size:0.88rem;
  transition:color 0.16s var(--ease);
}
.site-footer .footer-col ul a:hover{color:var(--primary)}
.footer-legal{
  max-width:1200px;
  margin:2rem auto 0;
  padding:1.4rem 24px;
  border-top:1px solid #EEF2F7;
  display:flex;
  flex-direction:column;
  gap:6px;
  font-size:0.8rem;
  color:#94A3B8;
  text-align:center;
}
@media(max-width:1024px){
  .site-footer .footer-top{grid-template-columns:1fr 1fr}
}
@media(max-width:767px){
  .site-footer .footer-top{grid-template-columns:1fr;gap:2rem}
  .footer-desc{max-width:100%}
}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{
    animation-duration:0.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:0.01ms !important;
    scroll-behavior:auto !important;
  }
}

/* roulang page: category2 */
:root {
  --primary: #2563EB;
  --primary-dark: #1D4ED8;
  --accent: #0F766E;
  --surface: #FFFFFF;
  --soft: #EEF2F7;
  --line: #E2E8F0;
  --heading: #0B1220;
  --body: #334155;
  --muted: #64748B;
  --placeholder: #CBD5E1;
  --radius: 12px;
  --shadow-card: 0 1px 2px rgba(15, 23, 42, 0.04), 0 1px 3px rgba(15, 23, 42, 0.06);
  --shadow-float: 0 8px 20px rgba(15, 23, 42, 0.06);
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
  background: #F8FAFC;
  color: var(--body);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color .18s var(--ease);
}

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

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

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

h1, h2, h3, h4 {
  margin: 0;
  color: var(--heading);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.02em;
}

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

a:focus-visible, button:focus-visible, summary:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
  border-radius: 8px;
}

.container-cus {
  width: 100%;
  max-width: 1224px;
  margin-inline: auto;
  padding-inline: 20px;
}

.container-narrow {
  max-width: 768px;
}

.section-pad {
  padding: clamp(52px, 8vw, 92px) 0;
}

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

.bg-white {
  background: #FFFFFF;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--accent);
  background: rgba(15, 118, 110, 0.08);
  border-radius: 999px;
  padding: 5px 12px;
  margin-bottom: 10px;
}

.section-title {
  font-size: clamp(1.6rem, 3vw, 2.35rem);
  line-height: 1.3;
  margin-bottom: 14px;
}

.section-intro {
  max-width: 760px;
  color: var(--muted);
  font-size: 16px;
  margin-bottom: 28px;
}

/* ===== 按钮系统 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0.75rem 1.6rem;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.2;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background .18s var(--ease), border-color .18s var(--ease), transform .18s var(--ease), box-shadow .18s var(--ease);
  white-space: nowrap;
}

.btn i {
  font-size: 14px;
}

.btn-primary {
  background: var(--primary);
  color: #FFFFFF;
}

.btn-primary:hover {
  background: var(--primary-dark);
  color: #FFFFFF;
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(37, 99, 235, 0.24);
}

.btn-primary:active {
  transform: translateY(1px);
}

.btn-secondary {
  background: #FFFFFF;
  border-color: #CBD5E1;
  color: #0B1220;
}

.btn-secondary:hover {
  background: #F8FAFC;
  border-color: #94A3B8;
  color: #0B1220;
  transform: translateY(-1px);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary);
  font-weight: 600;
  font-size: 14px;
}

.text-link i {
  transition: transform .18s var(--ease);
}

.text-link:hover i {
  transform: translateX(3px);
}

/* ===== 导航 ===== */
.site-header {
  position: relative;
  z-index: 50;
}

.nav-shell {
  max-width: 1260px;
  margin-inline: auto;
  padding: 16px 20px 0;
}

.nav-pill {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 8px 10px 8px 18px;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(226, 232, 240, 0.9);
  border-radius: 999px;
  box-shadow: 0 4px 24px rgba(15, 23, 42, 0.08);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-weight: 750;
  font-size: 1.08rem;
  color: #0B1220;
  white-space: nowrap;
}

.brand:hover {
  color: #0B1220;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  flex: 0 0 34px;
  background: var(--primary);
  color: #FFFFFF;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 800;
}

.nav-links {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex: 1;
  gap: 2px;
}

.nav-link {
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 14.5px;
  font-weight: 500;
  color: #334155;
  transition: background .18s var(--ease), color .18s var(--ease);
}

.nav-link:hover {
  background: #F1F5F9;
  color: var(--primary);
}

.nav-link.active {
  background: rgba(37, 99, 235, 0.10);
  color: var(--primary);
  font-weight: 600;
}

.nav-cta {
  margin-left: 4px;
  padding: 0.65rem 1.3rem;
}

.menu-btn {
  display: none;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: 0;
  background: #F1F5F9;
  color: #0B1220;
  font-size: 16px;
  cursor: pointer;
  margin-left: auto;
  transition: background .18s var(--ease);
}

.menu-btn:hover {
  background: #E2E8F0;
}

/* ===== Hero 分类页 ===== */
.hero-compact {
  position: relative;
  overflow: hidden;
  padding: clamp(42px, 6vw, 76px) 0 64px;
  background: linear-gradient(180deg, #FFFFFF 0%, #F8FAFC 100%);
}

.hero-compact::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("/assets/images/backpic/back-2.webp");
  background-size: cover;
  background-position: center;
  opacity: 0.12;
  pointer-events: none;
}

.hero-compact::after {
  content: "";
  position: absolute;
  top: -160px;
  right: -120px;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.09), transparent 66%);
  pointer-events: none;
}

.hero-compact .container-cus {
  position: relative;
  z-index: 2;
}

.hero-compact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(300px, 0.85fr);
  gap: clamp(28px, 5vw, 60px);
  align-items: center;
}

.hero-guide-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(15, 118, 110, 0.08);
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  border-radius: 999px;
  padding: 6px 13px;
  margin-bottom: 14px;
}

.hero-compact h1 {
  font-size: clamp(1.9rem, 4vw, 2.9rem);
  line-height: 1.22;
  font-weight: 750;
  letter-spacing: -0.025em;
  max-width: 720px;
  margin-bottom: 14px;
}

.hero-compact .hero-sub {
  font-size: 16.5px;
  max-width: 680px;
  color: #475569;
  margin-bottom: 24px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 22px;
}

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  color: var(--muted);
  font-size: 13px;
}

.trust-row li {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.trust-row i {
  color: var(--accent);
}

.verify-card {
  background: #FFFFFF;
  border-radius: 20px;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
  border: 1px solid rgba(226, 232, 240, 0.7);
  padding: 24px;
  position: relative;
}

.verify-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 16px;
}

.verify-status {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
}

.live-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--accent);
  display: inline-block;
  position: relative;
}

.live-dot::after {
  content: "";
  position: absolute;
  inset: -4px;
  border-radius: 999px;
  border: 1px solid rgba(15, 118, 110, 0.3);
  animation: pulse-ring 1.8s var(--ease) infinite;
}

@keyframes pulse-ring {
  0% { transform: scale(0.6); opacity: 1; }
  80%, 100% { transform: scale(1.4); opacity: 0; }
}

.verify-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(15, 118, 110, 0.08);
  color: var(--accent);
  font-size: 12px;
  font-weight: 600;
  border-radius: 999px;
  padding: 4px 10px;
}

.verify-card-title {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
}

.verify-card-title .verify-icon {
  width: 42px;
  height: 42px;
  flex: 0 0 42px;
  background: #EFF6FF;
  color: var(--primary);
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
}

.verify-card-title strong {
  display: block;
  color: #0B1220;
  font-size: 16px;
}

.verify-card-title span {
  font-size: 13px;
  color: var(--muted);
}

.verify-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  background: #F8FAFC;
  border-radius: 12px;
  padding: 14px;
  margin: 14px 0;
}

.verify-meta-item {
  font-size: 13px;
  color: var(--muted);
}

.verify-meta-item strong {
  display: block;
  color: #0B1220;
  font-weight: 600;
}

.verify-note {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
  background: #FFFFFF;
  border: 1px dashed #CBD5E1;
  border-radius: 10px;
  padding: 8px 12px;
}

/* ===== 场景卡片 ===== */
.scenario-card {
  background: #FFFFFF;
  border-radius: 16px;
  padding: 28px;
  box-shadow: var(--shadow-card);
  transition: transform .2s var(--ease), box-shadow .2s var(--ease);
  height: 100%;
  display: flex;
  flex-direction: column;
}

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

.scenario-icon {
  width: 42px;
  height: 42px;
  background: #EFF6FF;
  color: var(--primary);
  border-radius: 11px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
  margin-bottom: 18px;
}

.scenario-card h3 {
  font-size: 1.08rem;
  line-height: 1.5;
  margin-bottom: 8px;
}

.scenario-card p {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.75;
  flex: 1;
}

.scenario-card .text-link {
  font-size: 14px;
  font-weight: 600;
}

/* ===== 自检流程 ===== */
.flow-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: start;
}

.step-list {
  margin-top: 4px;
}

.step-item {
  display: flex;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

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

.step-no {
  flex: 0 0 40px;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  background: var(--primary);
  color: #FFFFFF;
  font-size: 14px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.step-main strong {
  display: block;
  color: #0B1220;
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 2px;
}

.step-main p {
  margin: 0;
  font-size: 14.5px;
  color: var(--muted);
  line-height: 1.7;
}

.flow-preview {
  position: sticky;
  top: 24px;
}

.flow-preview-box {
  position: relative;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--shadow-float);
}

.flow-preview-box img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.flow-flag {
  position: absolute;
  left: 14px;
  bottom: 14px;
  right: 14px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-radius: 12px;
  padding: 10px 14px;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.flow-preview-tip {
  background: #FFFFFF;
  border-radius: 12px;
  margin-top: 14px;
  padding: 14px 16px;
  font-size: 14px;
  color: var(--muted);
  box-shadow: var(--shadow-card);
}

.flow-preview-tip strong {
  color: var(--heading);
}

/* ===== 访问信号 ===== */
.signal-card {
  background: #FFFFFF;
  border-radius: 16px;
  padding: 26px;
  box-shadow: var(--shadow-card);
  height: 100%;
  position: relative;
  overflow: hidden;
  transition: box-shadow .2s var(--ease);
}

.signal-card:hover {
  box-shadow: var(--shadow-float);
}

.signal-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  color: var(--primary);
  background: #EFF6FF;
  border-radius: 8px;
  padding: 4px 9px;
  margin-bottom: 12px;
}

.signal-card h3 {
  font-size: 1.04rem;
  line-height: 1.5;
  margin-bottom: 8px;
}

.signal-card p {
  font-size: 14.5px;
  color: var(--muted);
  margin: 0 0 14px;
  line-height: 1.7;
}

.signal-handle {
  display: flex;
  gap: 8px;
  font-size: 13.5px;
  color: var(--accent);
  font-weight: 500;
  border-top: 1px solid var(--line);
  padding-top: 12px;
}

/* ===== 数据记录 ===== */
.record-card {
  background: #FFFFFF;
  border-radius: 24px;
  box-shadow: var(--shadow-float);
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(240px, 0.72fr);
}

.record-main {
  padding: clamp(24px, 4vw, 44px);
}

.record-main .section-title {
  margin-top: 10px;
}

.record-main p {
  color: var(--muted);
  font-size: 15px;
  max-width: 640px;
}

.record-side {
  background: #F8FAFC;
  padding: clamp(24px, 4vw, 44px);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 18px;
}

.metric-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 22px;
}

.metric-box {
  background: #F8FAFC;
  border-radius: 14px;
  padding: 14px 10px;
  text-align: center;
}

.metric-box strong {
  display: block;
  font-size: 1.5rem;
  font-weight: 750;
  color: #0B1220;
  letter-spacing: -0.03em;
}

.metric-box span {
  font-size: 12.5px;
  color: var(--muted);
}

.record-check-list li {
  display: flex;
  gap: 9px;
  font-size: 14.5px;
  color: #475569;
  margin-bottom: 9px;
}

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

.update-tip {
  font-size: 12.5px;
  color: var(--muted);
  margin-top: 8px;
  line-height: 1.6;
  border-top: 1px solid var(--line);
  padding-top: 12px;
}

/* ===== FAQ ===== */
.faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: clamp(28px, 5vw, 70px);
  align-items: start;
}

.faq-title-col {
  position: sticky;
  top: 28px;
}

.faq-title-col h2 {
  max-width: 420px;
}

.faq-panel-list details.faq-item {
  border-bottom: 1px solid var(--line);
}

.faq-panel-list details.faq-item:first-child {
  border-top: 1px solid var(--line);
}

summary.faq-question {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 0;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 600;
  color: #0B1220;
  transition: color .18s var(--ease);
}

summary.faq-question::-webkit-details-marker {
  display: none;
}

summary.faq-question:hover {
  color: var(--primary);
}

.faq-icon {
  flex: 0 0 28px;
  width: 28px;
  height: 28px;
  border-radius: 999px;
  background: #EFF6FF;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 500;
  transition: transform .2s var(--ease), background .2s var(--ease);
}

.faq-icon::before {
  content: "+";
}

details[open] .faq-icon {
  transform: rotate(180deg);
  background: var(--primary);
  color: #FFFFFF;
}

details[open] .faq-icon::before {
  content: "−";
}

details.faq-item .faq-answer {
  padding: 0 0 20px;
  color: #475569;
  font-size: 14.5px;
  line-height: 1.8;
}

details.faq-item .faq-answer p {
  margin: 0;
}

/* ===== CTA ===== */
.cta-card {
  background: #EFF6FF;
  border-radius: 24px;
  padding: clamp(30px, 6vw, 64px);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-card::after {
  content: "";
  position: absolute;
  left: 50%;
  top: -90px;
  transform: translateX(-50%);
  width: 360px;
  height: 200px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.12), transparent 70%);
  pointer-events: none;
}

.cta-card h2 {
  font-size: clamp(1.7rem, 3vw, 2.5rem);
  margin-bottom: 12px;
}

.cta-card p {
  color: var(--muted);
  max-width: 560px;
  margin: 0 auto 26px;
  font-size: 16px;
}

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

/* ===== Footer ===== */
.site-footer {
  background: #FFFFFF;
  border-top: 1px solid var(--line);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 36px;
  padding: 56px 0 38px;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-weight: 750;
  font-size: 1.08rem;
  color: #0B1220;
  margin-bottom: 10px;
}

.footer-desc {
  margin: 0;
  max-width: 300px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}

.site-footer h4 {
  font-size: 14px;
  font-weight: 600;
  margin: 0 0 12px;
  color: #0B1220;
}

.site-footer ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.site-footer ul a {
  color: var(--muted);
  font-size: 14px;
  transition: color .18s var(--ease);
}

.site-footer ul a:hover {
  color: var(--primary);
}

.footer-legal {
  border-top: 1px solid var(--line);
  padding: 20px 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px;
  font-size: 12.5px;
  color: var(--muted);
}

.footer-copy {
  white-space: nowrap;
}

/* ===== 响应式 ===== */
@media (max-width: 1180px) {
  .hero-compact-grid {
    grid-template-columns: 1fr;
  }

  .verify-card {
    max-width: 620px;
  }

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

  .flow-preview {
    position: static;
    max-width: 560px;
  }

  .record-card {
    grid-template-columns: 1fr;
  }

  .record-side {
    padding-top: 8px;
  }

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

  .faq-title-col {
    position: static;
  }
}

@media (max-width: 920px) {
  .menu-btn {
    display: inline-flex;
  }

  .nav-pill {
    flex-wrap: wrap;
    border-radius: 24px;
    gap: 8px;
  }

  .nav-links {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    padding: 8px 4px 4px;
    border-top: 1px solid var(--line);
    margin-top: 4px;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links .nav-link {
    width: 100%;
    padding: 12px 16px;
    border-radius: 12px;
  }

  .nav-cta {
    width: 100%;
    justify-content: center;
    margin: 8px 0 4px;
  }
}

@media (max-width: 640px) {
  .footer-top {
    grid-template-columns: 1fr;
    gap: 26px;
    padding: 40px 0 30px;
  }

  .footer-legal {
    flex-direction: column;
  }

  .metric-row {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .footer-copy {
    white-space: normal;
  }

  .hero-actions .btn {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}