/* roulang page: index */
:root {
    --bg-body: #F5F7F4;
    --bg-card: #FFFFFF;
    --fg-ink: #13251E;
    --fg-sub: #5B6B64;
    --border-soft: #DFE7E1;
    --brand-green: #0E5A45;
    --brand-green-deep: #0A4636;
    --brand-mint: #2B8F71;
    --amber: #D97706;
    --amber-deep: #B45D07;
    --radius-lg: 14px;
    --radius-md: 10px;
    --shadow-hover: 0 14px 34px rgba(19, 37, 30, 0.08);
  }
  html { scroll-behavior: smooth; }
  body {
    background: var(--bg-body);
    color: var(--fg-ink);
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
  }
  * { box-sizing: border-box; margin: 0; padding: 0; }
  img { display: block; max-width: 100%; }
  a { text-decoration: none; color: inherit; }
  button { font-family: inherit; }
  .container-x { width: min(1200px, 92%); margin-inline: auto; }

  /* Scrollbar */
  .scroll-snap-x::-webkit-scrollbar { height: 6px; }
  .scroll-snap-x::-webkit-scrollbar-track { background: #e3e9e4; border-radius: 20px; }
  .scroll-snap-x::-webkit-scrollbar-thumb { background: #9aafa3; border-radius: 20px; }
  .scroll-snap-x { scrollbar-width: thin; scrollbar-color: #9aafa3 #e3e9e4; }

  .header-fixed { background: rgba(245, 247, 244, 0.82); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid transparent; transition: all .25s ease; }
  .header-fixed.scrolled { background: rgba(255, 255, 255, 0.92); border-bottom-color: var(--border-soft); box-shadow: 0 4px 18px rgba(19,37,30,.04); }
  .nav-link { transition: color .2s; }
  .nav-link:hover { color: var(--brand-green); }
  .nav-active { color: var(--brand-green); font-weight: 700; box-shadow: 0 -10px 0 inset var(--brand-green); }
  .nav-flex .nav-active { box-shadow: none; border-bottom: 2px solid var(--brand-green); }
  .logo-text { letter-spacing: .02em; }

  .btn-focus:focus-visible { outline: 3px solid rgba(234, 154, 32, .35); outline-offset: 2px; }

  .card-hover { transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease; }
  .card-hover:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); border-color: #cddbd1; }

  .line-row { height: 1px; background: var(--border-soft); border: none; margin: 0; }
  .badge-version { background: rgba(43,143,113,.12); color: var(--brand-mint); }

  .arrow-shift { transition: transform .2s ease, color .2s ease; }
  .list-link:hover .arrow-shift { transform: translateX(4px); color: var(--brand-green); }

  .faq-item { border-bottom: 1px solid var(--border-soft); }
  .faq-question { cursor: pointer; }
  .faq-question:hover { color: var(--brand-green); }
  .faq-answer { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
  .faq-item[data-open="true"] .faq-answer { max-height: none; }

  .download-main { background: var(--amber); color: #13251E; transition: background .2s ease, transform .2s ease; }
  .download-main:hover { background: var(--amber-deep); transform: translateY(-1px); }
  .btn-secondary { border: 1px solid var(--brand-green); color: var(--brand-green); transition: all .2s ease; }
  .btn-secondary:hover { background: rgba(14,90,69,.06); }
  .btn-ghost-nav { border: 1px solid transparent; transition: all .2s ease; }
  .btn-ghost-nav:hover { border-color: var(--line); background: #fff; }

  .hero-tag { background: rgba(43,143,113,.1); }

  @keyframes softPulse { 0% { opacity: .65; } 50% { opacity: 1; } 100% { opacity: .65; } }
  .live-dot { animation: softPulse 2s infinite ease-in-out; }

  .stat-block { border-left: 2px solid var(--border-soft); padding-left: 18px; }
  .stat-block .number { font-variant-numeric: tabular-nums; }

  @media (max-width: 768px) {
    .container-x { width: 92%; }
  }

/* roulang page: article */
:root {
  --brand-green: #0E5A45;
  --brand-dark: #0A4636;
  --brand-mint: #2B8F71;
  --amber: #D97706;
  --amber-bright: #EA9A20;
  --paper: #F5F7F4;
  --card: #FFFFFF;
  --fg-ink: #13251E;
  --fg-muted: #5B6B64;
  --border-soft: #DFE7E1;
  --radius-md: 12px;
  --radius-lg: 16px;
  --shadow-soft: 0 14px 36px rgba(19, 37, 30, .07);
  --transition: all .22s ease;
}

*, *::before, *::after {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--fg-ink);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
}
ul, ol {
  padding-left: 1.4em;
}
button {
  background: none;
  border: none;
  cursor: pointer;
}

.container-x {
  width: min(1200px, 92%);
  margin-inline: auto;
}
.container-narrow {
  width: min(720px, 92%);
  margin-inline: auto;
}

.notice-bar {
  background: #0C4635;
  color: rgba(255,255,255,.92);
  font-size: 13px;
  padding: 7px 10px;
  text-align: center;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.notice-bar-inner {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
}
.status-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #EA9A20;
  margin-right: 2px;
  vertical-align: middle;
}
.soft-tag {
  background: rgba(234,154,32,.14);
  color: #F3C47A;
  border: 1px solid rgba(234,154,32,.35);
  font-size: 12px;
  padding: 1px 9px;
  border-radius: 999px;
  font-weight: 600;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: 64px;
  background: rgba(245,247,244,.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-soft);
  transition: box-shadow .25s ease, background .25s ease;
}
.site-header.scrolled {
  background: rgba(255,255,255,.94);
  box-shadow: 0 6px 24px rgba(19,37,30,.06);
}
.header-inner {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}
.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 19px;
  color: var(--fg-ink);
  white-space: nowrap;
}
.brand-box {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--brand-green), var(--brand-mint));
  border-radius: 9px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #f5e9c6;
  flex: 0 0 auto;
}
.brand-name {
  letter-spacing: .2px;
}
.desktop-nav {
  display: flex;
  align-items: center;
  gap: 26px;
}
.nav-entry {
  position: relative;
  font-size: 14.5px;
  color: #3B4D45;
  font-weight: 600;
  padding: 20px 2px;
  transition: color .2s;
}
.nav-entry:hover {
  color: var(--brand-green);
}
.nav-entry.is-active {
  color: var(--brand-green);
  font-weight: 800;
}
.nav-entry.is-active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 10px;
  height: 2px;
  border-radius: 2px;
  background: var(--brand-green);
  margin: 0 auto;
  width: 100%;
}
.header-cta {
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 17px;
  background: var(--amber);
  color: #13251E;
  font-weight: 700;
  border-radius: 10px;
  font-size: 14px;
  white-space: nowrap;
  transition: var(--transition);
  border: 1px solid rgba(19,37,30,.06);
}
.header-cta:hover {
  background: #B76505;
  color: #fff;
  transform: translateY(-1px);
}
.header-cta:active {
  transform: translateY(0);
}
.header-cta svg {
  width: 16px;
  height: 16px;
}

.nav-toggle {
  display: none;
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.nav-hamburger {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-soft);
  border-radius: 10px;
  background: #fff;
  cursor: pointer;
  color: var(--brand-green);
}
.mobile-nav {
  display: none;
}

.page-main {
  width: min(820px, 94%);
  margin: 0 auto 70px;
}

.breadcrumbs {
  display: flex;
  list-style: none;
  flex-wrap: wrap;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  color: var(--fg-muted);
  padding: 20px 0 14px;
  border-bottom: 1px dashed var(--border-soft);
  margin: 0 0 26px;
}
.breadcrumbs li {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}
.breadcrumbs a {
  color: var(--fg-muted);
  transition: color .18s;
}
.breadcrumbs a:hover {
  color: var(--brand-green);
}
.breadcrumbs .current {
  color: var(--fg-ink);
  font-weight: 600;
  max-width: 220px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.breadcrumbs svg {
  width: 15px;
  height: 15px;
}

.post-single {
  background: var(--card);
  border: 1px solid var(--border-soft);
  border-radius: 20px;
  padding: clamp(26px, 5vw, 54px);
  box-shadow: 0 2px 12px rgba(19,37,30,.03);
}
.post-head {
  text-align: center;
  padding-bottom: 30px;
  border-bottom: 1px solid var(--border-soft);
  margin-bottom: 34px;
}
.category-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(14,90,69,.08);
  color: var(--brand-green);
  font-weight: 700;
  font-size: 13px;
  margin-bottom: 20px;
}
.category-pill svg {
  width: 15px;
  height: 15px;
}
.post-title {
  font-size: clamp(27px, 4.2vw, 42px);
  line-height: 1.35;
  font-weight: 900;
  color: var(--fg-ink);
  letter-spacing: .2px;
  margin: 0 auto;
  max-width: 720px;
  word-break: break-word;
}
.post-meta {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px 28px;
  margin-top: 20px;
  color: var(--fg-muted);
  font-size: 13px;
}
.post-meta span,
.post-meta a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.post-meta svg {
  width: 15px;
  height: 15px;
  color: var(--brand-mint);
}
.post-meta a {
  color: var(--brand-green);
  font-weight: 600;
}

.cms-article-content {
  font-size: 16.5px;
  line-height: 1.85;
  color: #20352B;
  word-wrap: break-word;
}
.cms-article-content h1,
.cms-article-content h2,
.cms-article-content h3 {
  color: var(--fg-ink);
  font-weight: 800;
  line-height: 1.45;
  margin: 2em 0 .7em;
}
.cms-article-content h1 {
  font-size: 26px;
}
.cms-article-content h2 {
  font-size: 23px;
  padding-left: 13px;
  border-left: 3px solid var(--brand-mint);
}
.cms-article-content h3 {
  font-size: 19px;
}
.cms-article-content p {
  margin: 1.2em 0;
}
.cms-article-content ul,
.cms-article-content ol {
  margin: 1.2em 0;
  line-height: 1.8;
}
.cms-article-content li {
  margin: .42em 0;
}
.cms-article-content a {
  color: var(--brand-green);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(14,90,69,.3);
  transition: text-decoration-color .2s;
}
.cms-article-content a:hover {
  text-decoration-color: var(--brand-green);
}
.cms-article-content blockquote {
  background: #F2F6F3;
  border-left: 4px solid var(--brand-mint);
  padding: 16px 20px;
  border-radius: 0 12px 12px 0;
  margin: 1.6em 0;
  color: #364A41;
}
.cms-article-content code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: .88em;
  background: #EAF0EC;
  border: 1px solid #D8E1DB;
  border-radius: 6px;
  padding: .14em .42em;
}
.cms-article-content pre {
  background: #EAF0EC;
  border: 1px solid #D8E1DB;
  border-radius: 12px;
  padding: 20px;
  overflow-x: auto;
  line-height: 1.6;
}
.cms-article-content pre code {
  background: transparent;
  border: 0;
  padding: 0;
}
.cms-article-content img {
  border-radius: 14px;
  margin: 1.6em auto;
  border: 1px solid var(--border-soft);
}
.cms-article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.6em 0;
  font-size: 15px;
}
.cms-article-content th,
.cms-article-content td {
  border: 1px solid var(--border-soft);
  padding: 10px 14px;
  text-align: left;
}
.cms-article-content th {
  background: #F0F5F1;
  font-weight: 700;
}

.empty-post {
  text-align: center;
  padding: 50px 10px 20px;
}
.empty-post-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border-radius: 18px;
  background: rgba(14,90,69,.08);
  color: var(--brand-green);
  margin-bottom: 18px;
}
.empty-post-icon svg {
  width: 32px;
  height: 32px;
}
.empty-post h1 {
  font-size: 28px;
  color: var(--fg-ink);
  margin-bottom: 10px;
}
.empty-post p {
  color: var(--fg-muted);
  max-width: 420px;
  margin: 0 auto 20px;
}
.empty-post .back-home-btn {
  display: inline-flex;
  height: 44px;
  padding: 0 22px;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: var(--brand-green);
  color: #fff;
  font-weight: 700;
  transition: var(--transition);
}
.empty-post .back-home-btn:hover {
  background: var(--brand-dark);
  transform: translateY(-1px);
}

.post-foot {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  border-top: 1px solid var(--border-soft);
  padding-top: 28px;
  margin-top: 38px;
}
.post-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid var(--border-soft);
  background: #fff;
  color: var(--brand-green);
  font-weight: 700;
  font-size: 14px;
  border-radius: 10px;
  transition: var(--transition);
}
.post-back:hover {
  border-color: var(--brand-green);
  background: rgba(14,90,69,.05);
  transform: translateY(-1px);
}
.post-back svg {
  width: 17px;
  height: 17px;
}
.back-top {
  color: var(--fg-muted);
  background: transparent;
  border: 1px solid var(--border-soft);
}
.back-top:hover {
  color: var(--brand-green);
  border-color: var(--brand-mint);
}

.related-section {
  background: #EEF3EF;
  padding: 70px 0;
  margin-top: 80px;
}
.section-index-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 30px;
}
.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--brand-green);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .5px;
  background: rgba(14,90,69,.08);
  border-radius: 999px;
  padding: 6px 14px;
  margin-bottom: 12px;
}
.section-kicker svg {
  width: 15px;
  height: 15px;
}
.section-title {
  font-size: clamp(24px, 3vw, 32px);
  color: var(--fg-ink);
  font-weight: 900;
  margin: 0;
  letter-spacing: .2px;
}
.section-subtitle {
  color: var(--fg-muted);
  font-size: 14.5px;
  max-width: 560px;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.related-card {
  background: var(--card);
  border: 1px solid var(--border-soft);
  border-radius: 16px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}
.related-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-soft);
}
.related-cover {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #E9EFEB;
  position: relative;
}
.related-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.related-cover .img-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
  color: #9CB5A9;
}
.related-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(6px);
  color: var(--brand-green);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 999px;
}
.related-body {
  padding: 23px;
  display: flex;
  flex: 1;
  flex-direction: column;
}
.related-body h3 {
  font-size: 17px;
  line-height: 1.45;
  color: var(--fg-ink);
  font-weight: 800;
  margin: 0 0 9px;
}
.related-body p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--fg-muted);
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.related-link {
  margin-top: auto;
  padding-top: 16px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--brand-green);
  font-size: 13.5px;
  font-weight: 700;
}
.related-link svg {
  width: 15px;
  height: 15px;
  transition: transform .2s;
}
.related-card:hover .related-link svg {
  transform: translateX(3px);
}

.cta-band {
  background-image: linear-gradient(rgba(7, 33, 27, .88), rgba(7, 33, 27, .88)), url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
  padding: 78px 0;
  color: #fff;
  text-align: center;
}
.cta-band h2 {
  color: #fff;
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 900;
  margin: 0 0 12px;
}
.cta-band p {
  color: #BFD4CA;
  font-size: 15.5px;
  max-width: 640px;
  margin: 0 auto 32px;
  line-height: 1.8;
}
.cta-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}
.btn-download {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  height: 47px;
  padding: 0 28px;
  border-radius: 11px;
  background: var(--amber);
  color: #13251E;
  font-weight: 800;
  font-size: 14.5px;
  transition: var(--transition);
  border: 1px solid rgba(255,255,255,.14);
}
.btn-download:hover {
  background: #B76505;
  color: #fff;
  transform: translateY(-2px);
}
.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 47px;
  padding: 0 24px;
  border-radius: 11px;
  border: 1px solid rgba(255,255,255,.55);
  color: #fff;
  font-weight: 700;
  font-size: 14.5px;
  transition: var(--transition);
}
.btn-ghost:hover {
  background: rgba(255,255,255,.12);
  border-color: #fff94;
  transform: translateY(-2px);
}

.site-footer {
  background: #0A352A;
  color: #C4D2CB;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 36px;
  padding-top: 54px;
  padding-bottom: 38px;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  color: #fff;
  font-size: 19px;
}
.footer-brand-box {
  background: rgba(255,255,255,.1);
  width: 34px;
  height: 34px;
  border-radius: 9px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #EA9A20;
}
.footer-brand-box svg {
  width: 18px;
  height: 18px;
}
.footer-desc {
  font-size: 14px;
  line-height: 1.75;
  margin-top: 14px;
  color: #93ADA0;
  max-width: 340px;
}
.footer-col-title {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 18px;
}
.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 11px;
  font-size: 14px;
  margin: 0;
  padding: 0;
}
.footer-links a {
  color: #AEC4BA;
  transition: color .18s;
}
.footer-links a:hover {
  color: #EA9A20;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 20px 0;
  font-size: 13px;
  color: #7F9D90;
  text-align: center;
}

button:focus-visible,
a:focus-visible {
  outline: 2px solid var(--amber-bright);
  outline-offset: 3px;
}

@media (max-width: 1024px) {
  .desktop-nav {
    gap: 18px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 30px;
  }
}

@media (max-width: 880px) {
  .desktop-nav {
    display: none;
  }
  .nav-hamburger {
    display: inline-flex;
  }
  .nav-toggle:checked ~ .mobile-nav {
    display: block;
  }
  .mobile-nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 64px;
    padding: 18px 4%;
    background: #fff;
    border-bottom: 1px solid var(--border-soft);
    box-shadow: 0 18px 30px rgba(19,37,30,.07);
  }
  .mobile-nav-links {
    display: flex;
    flex-direction: column;
    gap: 4px;
  }
  .mobile-nav-links a {
    padding: 11px 12px;
    border-radius: 9px;
    font-size: 15px;
    color: var(--fg-ink);
    font-weight: 600;
    transition: background .2s;
  }
  .mobile-nav-links a:hover {
    background: #F0F5F1;
    color: var(--brand-green);
  }
  .mobile-nav-links a.is-active {
    color: var(--brand-green);
    background: rgba(14,90,69,.08);
  }
  .mobile-cta-wrap {
    margin-top: 12px;
    padding-top: 14px;
    border-top: 1px solid var(--border-soft);
    display: flex;
  }
  .mobile-cta-wrap a {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 46px;
    border-radius: 10px;
    background: var(--amber);
    color: #13251E;
    font-weight: 800;
  }
}

@media (max-width: 760px) {
  .related-grid {
    grid-template-columns: 1fr;
  }
  .post-single {
    padding: 24px 18px;
  }
  .post-foot {
    flex-direction: column;
  }
  .post-back {
    justify-content: center;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .cta-band {
    padding: 60px 0;
  }
  .related-section {
    padding: 44px 0 70px;
    margin-top: 50px;
  }
}

@media (max-width: 520px) {
  .brand-name {
    font-size: 17px;
  }
  .brand-box {
    width: 32px;
    height: 32px;
  }
  .header-cta {
    padding: 0 12px;
    font-size: 13px;
  }
  .notice-bar {
    font-size: 12px;
  }
  .breadcrumbs {
    gap: 4px;
    font-size: 12px;
  }
  .post-title {
    font-size: 25px;
  }
  .post-meta {
    flex-direction: column;
    align-items: center;
    gap: 8px;
  }
  .cta-actions {
    flex-direction: column;
    width: 100%;
  }
  .cta-actions a {
    width: 100%;
  }
}

/* roulang page: category1 */
:root{
  --paper:#F5F7F4;
  --card:#FFFFFF;
  --ink:#13251E;
  --muted:#5B6B64;
  --line:#DFE7E1;
  --brand:#0E5A45;
  --brand-deep:#0A4636;
  --brand-mint:#2B8F71;
  --amber:#EA9A20;
  --amber-deep:#C17307;
  --danger-soft:#B34A3A;
  --brand-green:var(--brand);
  --fg-ink:var(--ink);
  --radius-lg:14px;
  --radius-md:11px;
  --shadow-card:0 8px 24px rgba(19,37,30,.06);
  --shadow-hover:0 14px 30px rgba(19,37,30,.09);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonicOS Sans SC","Microsoft YaHei","Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
a.no-underline{text-decoration:none;}
ul,ol{padding-left:0;}
button{cursor:pointer;font-family:inherit;}
:focus-visible{outline:2px solid rgba(234,154,32,.65);outline-offset:3px;border-radius:6px;}

.container-x{width:min(1200px,92%);margin-inline:auto;}

.header-fixed{
  background:rgba(247,249,246,.84);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(223,231,225,.6);
  transition:background .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.header-fixed.is-scrolled{
  background:rgba(250,252,249,.97);
  border-bottom:1px solid var(--line);
  box-shadow:0 8px 24px rgba(19,37,30,.06);
}
.nav-link{position:relative;line-height:1;transition:color .2s ease;}
.nav-link:hover{color:var(--brand) !important;}
.nav-burger{
  display:none;
  align-items:center;
  justify-content:center;
  width:40px;
  height:40px;
  border:1px solid var(--line);
  background:#fff;
  border-radius:10px;
  color:var(--brand);
  margin-left:4px;
}
.mobile-menu{
  display:none;
}
.mobile-menu.is-open{
  display:block;
  position:sticky;
  top:64px;
  z-index:45;
  background:rgba(250,252,249,.98);
  border-bottom:1px solid var(--line);
  box-shadow:0 16px 28px rgba(19,37,30,.06);
}
.mobile-menu-inner{
  width:min(1200px,92%);
  margin-inline:auto;
  padding:14px 0 18px;
  display:flex;
  flex-direction:column;
  gap:4px;
}
.mobile-menu-inner a{
  padding:12px 14px;
  border-radius:10px;
  font-size:15px;
  font-weight:600;
  color:#2D4037;
}
.mobile-menu-inner a:hover{background:#EDF2EE;color:var(--brand);}
.mobile-menu-inner a.active-mobile{background:#E2ECE5;color:var(--brand);}

.cat-hero{
  padding:64px 0 58px;
  background-position:center;
  background-size:cover;
  border-bottom:1px solid var(--line);
  position:relative;
}
.cat-hero-copy{max-width:800px;}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;
  gap:7px;font-size:13px;color:var(--muted);
  margin-bottom:18px;
}
.breadcrumb a{color:var(--brand);font-weight:600;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  background:rgba(14,90,69,.08);
  color:var(--brand);
  font-size:13px;
  font-weight:700;
  padding:7px 13px;
  border-radius:999px;
  margin-bottom:16px;
  border:1px solid rgba(14,90,69,.12);
}
.hero-eyebrow::before{
  content:"";width:7px;height:7px;border-radius:50%;background:var(--brand-mint);
}
.cat-hero h1{
  font-size:42px;
  line-height:1.25;
  margin:0 0 18px;
  font-weight:800;
  letter-spacing:-.5px;
  color:var(--ink);
}
.cat-hero h1 .divider{padding:0 4px;color:var(--brand-mint);}
@media (max-width:640px){.cat-hero h1{font-size:32px;letter-spacing:-.2px;}}
.hero-lead{
  font-size:17px;
  color:#40534A;
  max-width:660px;
  margin:0 0 26px;
  line-height:1.75;
}
.hero-mini-spec{
  display:flex;flex-wrap:wrap;gap:10px 18px;
  list-style:none;margin:24px 0 0;padding:0;
}
.hero-mini-spec li{
  display:inline-flex;align-items:center;gap:7px;
  color:var(--muted);font-size:13.5px;font-weight:600;
}
.hero-mini-spec li svg{width:16px;height:16px;color:var(--brand-mint);stroke:currentColor;fill:none;stroke-width:2.2;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:11px;
  font-weight:700;
  height:46px;
  padding:0 22px;
  font-size:15px;
  gap:9px;
  border:1px solid transparent;
  transition:transform .18s ease,background .2s ease,box-shadow .2s ease,border-color .2s ease;
  cursor:pointer;
}
.btn svg{width:17px;height:17px;stroke:currentColor;fill:none;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round;}
.btn-amber{background:var(--amber);color:#13251E;min-height:48px;}
.btn-amber:hover{background:#D97E09;box-shadow:0 10px 20px rgba(218,126,8,.18);transform:translateY(-1px);}
.btn-amber:active{background:#B56706;transform:translateY(0);box-shadow:none;}
.btn-soft{
  background:rgba(14,90,69,.07);
  color:var(--brand);
  border:1px solid rgba(14,90,69,.14);
}
.btn-soft:hover{background:rgba(14,90,69,.13);color:var(--brand-deep);transform:translateY(-1px);}
.btn-ghost{background:#fff;color:var(--brand);border-color:var(--line);font-weight:600;}
.btn-ghost:hover{border-color:var(--brand);background:#F1F6F2;}
.btn:active{transform:translateY(0);}

.section-block{padding:80px 0;}
.section-block.tinted{background:#EAEFEB;}
@media (max-width:760px){.section-block{padding:54px 0;}}
.section-head{max-width:760px;margin-bottom:36px;}
.section-label{
  display:inline-block;
  font-size:12.5px;
  font-weight:800;
  letter-spacing:.14em;
  color:var(--brand-mint);
  text-transform:uppercase;
  margin:0 0 10px;
}
.section-head h2{
  font-size:28px;
  line-height:1.3;
  margin:0 0 12px;
  color:var(--ink);
  font-weight:800;
}
@media (max-width:640px){.section-head h2{font-size:23px;}}
.section-desc{font-size:15px;color:#62736B;margin:0;line-height:1.72;}

.spec-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:22px;
}
@media (max-width:900px){.spec-grid{grid-template-columns:1fr;}}
.spec-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:26px 26px 8px;
  transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease;
}
.spec-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px);border-color:#D3DED6;}
.card-title-row{
  display:flex;align-items:center;gap:12px;
  margin-bottom:14px;flex-wrap:wrap;
}
.card-title-row h3{
  font-size:18px;font-weight:800;
  margin:0;color:var(--ink);
}
.card-title-row h3 small{display:block;font-size:12.5px;font-weight:600;color:#7D8C84;margin-top:2px;}
.mini-icon{
  width:40px;height:40px;border-radius:10px;
  flex:0 0 40px;
  background:rgba(14,90,69,.09);
  color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;
}
.mini-icon svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:2;}
.tag-state{font-size:12px;font-weight:700;padding:5px 10px;border-radius:999px;line-height:1;}
.tag-green{background:#E2F0E9;color:var(--brand);border:1px solid rgba(43,143,113,.18);}
.tag-soft-gray{background:#EFF2EF;color:#667970;border:1px solid #E0E7E2;}
.spec-list{list-style:none;margin:0;padding:0;}
.spec-row{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:16px;
  padding:13px 2px;
  border-bottom:1px solid #EDF1EE;
  font-size:14px;
}
.spec-row:last-child{border-bottom:none;}
.spec-row span{color:#6B7B73;font-weight:500;flex-shrink:0;width:88px;}
.spec-row strong{color:#1B2E26;font-weight:600;text-align:right;font-size:13.8px;line-height:1.7;}
.spec-note{font-size:13px;color:#7C8A83;margin-top:18px;padding:12px 15px;background:#F4F7F4;border-radius:10px;}

.compat-grid{
  display:grid;
  grid-template-columns:.9fr 1.1fr;
  gap:40px;
  align-items:center;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:18px;
  padding:30px;
  box-shadow:0 2px 12px rgba(19,37,30,.04);
}
@media (max-width:960px){.compat-grid{grid-template-columns:1fr;}}
.compat-media{border-radius:16px;overflow:hidden;background:#E8EEE9;}
.compat-media img{width:100%;height:320px;object-fit:cover;}
.compat-media figcaption{
  font-size:13px;color:#5C6C64;
  padding:11px 15px;background:#F3F6F3;
}
.compat-list{list-style:none;margin:22px 0 0;padding:0;}
.compat-list li{
  display:grid;grid-template-columns:1fr auto;
  align-items:center;gap:8px 14px;
  padding:13px 2px;
  border-bottom:1px solid #EBF0EC;
}
.compat-list li:last-child{border-bottom:none;}
.compat-os{font-weight:700;color:#1D3027;font-size:14.5px;}
.compat-note{grid-column:1/-1;font-size:13.5px;color:#708078;padding-top:0;}
.compat-detail{grid-column:1;font-size:13.5px;color:#5F7168;}
.tag{
  font-size:12px;
  font-weight:700;
  white-space:nowrap;
  padding:5px 10px;
  border-radius:999px;
  display:inline-flex;
  align-items:center;
  gap:5px;
  line-height:1;
}
.tag-support{background:#E3F2EA;color:#0E5A45;border:1px solid rgba(43,143,113,.16);}
.tag-warning{background:#FBEEDF;color:#9B5E07;border:1px solid rgba(234,154,32,.2);}
.tag-limited{background:#F2E9E5;color:#96543F;border:1px solid rgba(179,74,58,.16);}

.check-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:16px;
  margin-top:10px;
}
@media (max-width:760px){.check-grid{grid-template-columns:1fr;}}
.check-card{
  display:flex;gap:14px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:14px;
  padding:20px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.check-card:hover{border-color:#C6D5CC;box-shadow:var(--shadow-card);}
.check-icon{
  width:32px;height:32px;flex:0 0 32px;
  background:var(--brand);
  color:#F4E7CB;
  border-radius:9px;
  display:inline-flex;align-items:center;justify-content:center;
}
.check-icon svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:2.6;stroke-linecap:round;stroke-linejoin:round;}
.check-card h3{font-size:15.5px;font-weight:700;margin:0 0 6px;}
.check-card p{font-size:13.5px;line-height:1.65;color:#5A6B63;margin:0;}

.faq-wrap{max-width:860px;margin:0 auto;}
.faq-item{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:13px;
  margin-bottom:12px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:#C7D7CE;box-shadow:var(--shadow-card);}
.faq-item summary{
  list-style:none;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  cursor:pointer;
  padding:19px 22px;
  font-size:15.5px;
  font-weight:700;
  color:var(--ink);
  border-radius:13px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"";flex:0 0 24px;width:24px;height:24px;border-radius:7px;
  background:#EDF2EE;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230E5A45' stroke-width='2.4' stroke-linecap='round'%3E%3Cpath d='M12 5v14M5 12h14'/%3E%3C/svg%3E");
  background-size:14px;
  background-position:center;
  background-repeat:no-repeat;
  transition:transform .2s ease,background-color .2s ease;
}
.faq-item[open] summary::after{
  transform:rotate(45deg);
  background-color:rgba(43,143,113,.13);
}
.faq-item .faq-answer{
  padding:0 22px 20px;
  margin:-6px 0 0;
}
.faq-item .faq-answer p{
  margin:0;font-size:14.5px;line-height:1.8;color:#53675D;
  border-top:1px solid #EDF1EE;
  padding-top:15px;
}
.cta-band{
  background:var(--brand-deep);
  background-image:radial-gradient(circle at 80% 30%,rgba(43,143,113,.28),transparent 52%);
  border-radius:20px;
  padding:46px 44px;
  color:#E5F0EB;
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  flex-wrap:wrap;
  position:relative;
  overflow:hidden;
}
.cta-band h2{color:#fff;font-size:23px;margin:0 0 8px;font-weight:800;}
.cta-band p{margin:0;font-size:14.5px;color:#AFC7BB;max-width:560px;}
.cta-band .btn-amber{min-height:48px;}

footer{background:#0A352A;color:#C4D2CB;}
footer ul{list-style:none;}
.footer-grid{padding-top:56px;padding-bottom:40px;display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px;}
@media (max-width:980px){.footer-grid{grid-template-columns:1fr 1fr !important;}}
@media (max-width:560px){.footer-grid{grid-template-columns:1fr !important;}}
.footer-link-list{list-style:none;display:flex;flex-direction:column;gap:11px;font-size:14px;margin:0;padding:0;}
.footer-link-list a{color:#AEC4BA;transition:color .2s ease;}
.footer-link-list a:hover{color:#F0E6C9;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  font-size:13px;
  color:#8BA698;
  padding:20px 0 24px;
}
.footer-bottom a{color:#9FBFAE;}
@media (max-width:860px){
  .desktop-nav{display:none !important;}
  .nav-burger{display:inline-flex !important;}
  .cat-hero{padding:42px 0;}
  .hero-mini-spec{margin-top:16px;}
  .check-grid{grid-template-columns:1fr;}
}
.logo-text{white-space:nowrap;letter-spacing:-.1px;}

/* roulang page: category2 */
:root {
    --brand-green: #0E5A45;
    --brand-deep: #0A4636;
    --brand-mint: #2B8F71;
    --amber: #EA9A20;
    --amber-deep: #D97706;
    --soft-amber: #FFF6E5;
    --bg: #F5F7F4;
    --card: #FFFFFF;
    --ink: #13251E;
    --muted: #5B6B64;
    --line: #DFE7E1;
    --radius-lg: 18px;
    --radius-md: 12px;
    --radius-sm: 9px;
    --shadow-soft: 0 8px 30px rgba(10, 70, 54, .06);
    --shadow-lift: 0 16px 38px rgba(10, 70, 54, .1);
  }

  html {
    scroll-behavior: smooth;
  }

  body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    font-size: 15px;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
  }

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

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

  button {
    font-family: inherit;
  }

  .container-x {
    width: min(1200px, 92%);
    margin-inline: auto;
  }

  .section-pad {
    padding-block: 72px;
  }

  .section-title-sm {
    letter-spacing: .06em;
    text-transform: uppercase;
    font-size: 13px;
    font-weight: 700;
    color: var(--brand-mint);
    display: inline-flex;
    align-items: center;
    gap: 8px;
  }

  .section-title-sm::before {
    content: "";
    width: 22px;
    height: 2px;
    border-radius: 2px;
    background: var(--amber);
    display: inline-block;
  }

  .section-title-lg {
    font-size: clamp(24px, 3vw, 34px);
    font-weight: 800;
    line-height: 1.25;
    margin: 10px 0 0;
    color: var(--ink);
    letter-spacing: .01em;
  }

  .section-lead {
    color: var(--muted);
    font-size: 15px;
    max-width: 760px;
    margin-top: 14px;
    line-height: 1.85;
  }

  .btn-focus:focus-visible,
  a:focus-visible,
  button:focus-visible {
    outline: 2px solid rgba(234, 154, 32, .55);
    outline-offset: 3px;
    border-radius: 10px;
  }

  .header-fixed {
    position: sticky;
    top: 0;
    z-index: 80;
    background: rgba(253, 254, 252, .86);
    -webkit-backdrop-filter: blur(16px);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(223, 231, 225, .9);
    transition: box-shadow .25s ease, background .25s ease;
  }

  .header-fixed.scrolled {
    background: rgba(255, 255, 255, .96);
    box-shadow: 0 8px 28px rgba(10, 70, 54, .07);
  }

  .header-inner {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 22px;
    width: min(1200px, 92%);
    margin-inline: auto;
    height: 64px;
  }

  .brand-lockup {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    font-size: 18px;
    color: var(--ink);
    white-space: nowrap;
  }

  .logo-square {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--brand-green), var(--brand-mint));
    border-radius: 9px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 36px;
  }

  .logo-square svg {
    width: 20px;
    height: 20px;
    color: #f5e9c6;
  }

  .desktop-nav {
    justify-self: end;
    display: flex;
    align-items: center;
    gap: 2px;
  }

  .nav-link {
    display: inline-flex;
    align-items: center;
    height: 64px;
    padding: 0 12px;
    border-bottom: 2px solid transparent;
    font-size: 14.5px;
    font-weight: 600;
    color: #3b4d45;
    transition: color .2s ease, opacity .2s ease;
    white-space: nowrap;
  }

  .nav-link:hover {
    color: var(--brand-green);
  }

  .nav-link.is-active {
    color: var(--brand-green);
    border-bottom-color: var(--brand-green);
    font-weight: 700;
  }

  .header-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 40px;
    padding: 0 16px;
    background: var(--amber);
    color: #13251E;
    font-weight: 700;
    font-size: 14px;
    border-radius: 10px;
    transition: background .2s ease, transform .2s ease;
    white-space: nowrap;
  }

  .header-cta:hover {
    background: #d98316;
  }

  .header-cta:active {
    transform: translateY(1px);
  }

  .header-cta svg {
    width: 16px;
    height: 16px;
  }

  .nav-burger {
    display: none;
    width: 40px;
    height: 40px;
    margin-left: 4px;
    border: 1px solid var(--line);
    background: #ffffff;
    border-radius: 10px;
    align-items: center;
    justify-content: center;
    cursor: pointer;
  }

  .nav-burger svg {
    width: 20px;
    height: 20px;
    color: var(--ink);
  }

  .hero-cat-bg {
    background:
      linear-gradient(118deg, rgba(245, 247, 244, .97) 26%, rgba(232, 245, 238, .93) 61%, rgba(220, 242, 232, .82) 100%),
      url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
    border-bottom: 1px solid var(--line);
    overflow: hidden;
  }

  .page-hero-grid {
    display: grid;
    grid-template-columns: 1.05fr .95fr;
    gap: 48px;
    align-items: center;
    padding-block: 64px 70px;
  }

  .page-hero h1 {
    font-size: clamp(31px, 4.2vw, 47px);
    font-weight: 800;
    line-height: 1.15;
    margin: 18px 0 0;
    letter-spacing: .01em;
    color: var(--ink);
  }

  .page-hero h1 .divider {
    color: var(--brand-mint);
    padding-inline: 6px;
    font-weight: 700;
  }

  .hero-sub {
    font-size: 16px;
    line-height: 1.8;
    color: #3C4F47;
    margin-top: 18px;
    max-width: 560px;
  }

  .hero-meta-line {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 18px;
    align-items: center;
    margin-top: 22px;
    color: var(--muted);
    font-size: 13.5px;
  }

  .hero-meta-line span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
  }

  .hero-meta-line .dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--brand-mint);
    display: inline-block;
  }

  .hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 28px;
  }

  .btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    height: 48px;
    padding: 0 22px;
    background: var(--amber);
    border-radius: 11px;
    color: #1d271f;
    font-weight: 700;
    font-size: 15px;
    border: 1px solid #dc8a11;
    transition: background .2s ease, transform .2s ease, border-color .2s ease;
  }

  .btn-primary:hover {
    background: #e08d13;
    border-color: #c87a0c;
  }

  .btn-primary:active {
    transform: scale(.98);
  }

  .btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 48px;
    padding: 0 20px;
    border: 1px solid #b9cdc3;
    background: rgba(255, 255, 255, .55);
    border-radius: 11px;
    color: #20352c;
    font-weight: 600;
    font-size: 14px;
    transition: background .2s ease, border-color .2s ease, transform .2s ease;
  }

  .btn-outline:hover {
    background: #ffffff;
    border-color: var(--brand-green);
    color: var(--brand-green);
  }

  .btn-outline:active {
    transform: scale(.98);
  }

  .hero-visual-wrap {
    position: relative;
    display: flex;
    justify-content: center;
  }

  .hero-visual-card {
    background: rgba(255, 255, 255, .86);
    border: 1px solid rgba(255, 255, 255, .95);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lift);
    padding: 14px;
    width: min(100%, 480px);
  }

  .hero-visual-card img {
    border-radius: 12px;
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
  }

  .visual-badge {
    position: absolute;
    right: -14px;
    bottom: 34px;
    background: var(--brand-deep);
    color: #f6f0e2;
    padding: 11px 14px;
    font-size: 13px;
    border-radius: 12px;
    line-height: 1.4;
    box-shadow: 0 8px 20px rgba(6, 52, 40, .24);
    max-width: 190px;
  }

  .visual-badge strong {
    color: var(--amber);
    display: block;
    font-size: 15px;
    margin-bottom: 2px;
  }

  .card-shell {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 4px 10px rgba(10, 70, 54, .025);
  }

  .platform-card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 26px;
    height: 100%;
    transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
  }

  .platform-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-soft);
    border-color: #c8d9cf;
  }

  .platform-head {
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid var(--line);
    padding-bottom: 16px;
    margin-bottom: 14px;
  }

  .platform-icon {
    width: 40px;
    height: 40px;
    border-radius: 11px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #eef5f0;
    color: var(--brand-green);
    flex: 0 0 40px;
  }

  .platform-icon svg {
    width: 21px;
    height: 21px;
  }

  .platform-name {
    font-weight: 800;
    font-size: 18px;
    color: var(--ink);
  }

  .platform-tip {
    font-size: 12.5px;
    color: var(--muted);
    margin-top: 3px;
  }

  .spec-table {
    width: 100%;
    border-collapse: collapse;
  }

  .spec-table td {
    padding: 11px 2px;
    border-bottom: 1px solid #edf2ee;
    vertical-align: top;
    font-size: 14.5px;
    line-height: 1.65;
  }

  .spec-table tr:last-child td {
    border-bottom: none;
  }

  .spec-table .spec-label {
    color: var(--muted);
    font-weight: 500;
    width: 94px;
    white-space: nowrap;
  }

  .spec-table .spec-value {
    color: #172820;
    font-weight: 500;
  }

  .spec-table strong {
    font-weight: 700;
  }

  .status-table {
    width: 100%;
    border-collapse: collapse;
  }

  .status-table td,
  .status-table th {
    text-align: left;
    padding: 15px 4px;
    border-bottom: 1px solid #edf2ee;
    font-size: 14.5px;
    vertical-align: middle;
  }

  .status-table th {
    color: var(--muted);
    font-weight: 600;
    font-size: 13px;
    letter-spacing: .02em;
  }

  .status-table tr:last-child td {
    border-bottom: none;
  }

  .status-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 11px;
    font-size: 13px;
    font-weight: 700;
    border-radius: 999px;
    white-space: nowrap;
  }

  .status-tag.is-ok {
    background: #e5f3eb;
    color: #0b6a4c;
  }

  .status-tag.is-info {
    background: #fff1d8;
    color: #945c08;
  }

  .status-tag svg {
    width: 12px;
    height: 12px;
    stroke-width: 2.4;
  }

  .chip-tag {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-size: 13px;
    line-height: 1.4;
    padding: 7px 13px;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: #fff;
    color: var(--ink);
    font-weight: 600;
  }

  .step-list {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 28px;
  }

  .step-item {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 24px 20px;
    position: relative;
    transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
  }

  .step-item:hover {
    border-color: #c8dad1;
    transform: translateY(-2px);
    box-shadow: var(--shadow-soft);
  }

  .step-no {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 27px;
    font-weight: 800;
    width: 48px;
    height: 40px;
    background: #e7f2eb;
    color: var(--brand-green);
    border-radius: 10px;
    margin-bottom: 16px;
  }

  .step-title {
    font-weight: 800;
    font-size: 16px;
    line-height: 1.5;
    margin-bottom: 8px;
  }

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

  .faq-item {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 14px;
    margin-bottom: 12px;
    overflow: hidden;
    transition: box-shadow .2s ease, border-color .2s ease;
  }

  .faq-item.is-open {
    box-shadow: var(--shadow-soft);
    border-color: #c3d8cc;
  }

  .faq-toggle {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    background: transparent;
    border: none;
    padding: 17px 18px;
    text-align: left;
    cursor: pointer;
    color: var(--ink);
    font-size: 15.5px;
    font-weight: 700;
    line-height: 1.5;
  }

  .faq-icon {
    width: 30px;
    height: 30px;
    border-radius: 9px;
    background: #eaf3ed;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 30px;
    transition: transform .3s ease, background .3s ease;
  }

  .faq-icon svg {
    width: 17px;
    height: 17px;
    stroke: var(--brand-green);
    stroke-width: 2.4;
    fill: none;
  }

  .faq-item.is-open .faq-icon {
    transform: rotate(45deg);
    background: #ffe6b3;
  }

  .faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height .3s ease;
  }

  .faq-answer-inner {
    padding: 0 18px 19px;
    color: var(--muted);
    font-size: 14.5px;
    line-height: 1.85;
  }

  .cta-band {
    background: linear-gradient(118deg, #0A4537 0%, #0C5B45 68%, #107456 100%);
    border-radius: 22px;
    padding: 40px 38px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    color: #E5F3EA;
    overflow: hidden;
    position: relative;
  }

  .cta-band::after {
    content: "";
    position: absolute;
    right: -40px;
    bottom: -80px;
    width: 280px;
    height: 280px;
    border-radius: 50%;
    border: 38px solid rgba(255, 255, 255, .05);
  }

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

  .cta-band h2 {
    font-size: 25px;
    line-height: 1.35;
    margin: 0 0 8px;
    color: #fff;
    font-weight: 800;
  }

  .cta-band p {
    margin: 0;
    font-size: 15px;
    line-height: 1.7;
    color: #B9D9C8;
  }

  .cta-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    height: 50px;
    padding: 0 24px;
    background: var(--amber);
    color: #1d271f;
    border-radius: 12px;
    font-weight: 800;
    font-size: 15px;
    white-space: nowrap;
    position: relative;
    z-index: 2;
    transition: background .2s ease, transform .2s ease;
  }

  .cta-btn:hover {
    background: #f0a32e;
  }

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

  footer {
    background: #0A352A;
    color: #C4D2CB;
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1fr;
    gap: 34px;
  }

  .footer-title {
    font-size: 15px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 18px;
  }

  footer ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 11px;
    padding: 0;
    margin: 0;
    font-size: 14px;
  }

  footer a {
    color: #AEC4BA;
    display: inline-flex;
    align-items: center;
    transition: color .2s ease, transform .2s ease;
  }

  footer a:hover {
    color: #fff;
    transform: translateX(2px);
  }

  .footer-brand-desc {
    font-size: 14px;
    line-height: 1.7;
    margin-top: 14px;
    color: #93ADA0;
    max-width: 320px;
  }

  .footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, .1);
    margin-top: 36px;
    padding-top: 20px;
    padding-bottom: 22px;
    font-size: 13px;
    color: #7ea395;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 8px;
  }

  @media (max-width: 1024px) {
    .footer-grid {
      grid-template-columns: 1fr 1fr;
    }

    .step-list {
      grid-template-columns: repeat(2, 1fr);
    }
  }

  @media (max-width: 900px) {
    .desktop-nav {
      position: fixed;
      top: 64px;
      left: 0;
      right: 0;
      background: #fff;
      flex-direction: column;
      align-items: stretch;
      padding: 14px 4% 22px;
      gap: 4px;
      border-bottom: 1px solid var(--line);
      box-shadow: 0 18px 34px rgba(10, 70, 54, .12);
      display: none;
      justify-self: stretch;
    }

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

    .nav-link {
      height: 46px;
      border-bottom: 1px solid transparent;
      padding-inline: 6px;
    }

    .desktop-nav .nav-link.is-active {
      border-bottom-color: var(--brand-green);
    }

    .nav-burger {
      display: inline-flex;
    }
  }

  @media (max-width: 820px) {
    .page-hero-grid {
      grid-template-columns: 1fr;
      gap: 30px;
      padding-block: 48px 52px;
    }

    .hero-sub {
      max-width: 620px;
    }

    .hero-visual-wrap {
      justify-content: flex-start;
    }
  }

  @media (max-width: 640px) {
    .section-pad {
      padding-block: 48px;
    }

    .hero-cat-bg {
      background:
        linear-gradient(150deg, rgba(247, 249, 246, .98) 20%, rgba(228, 241, 235, .95) 82%),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
    }

    .page-hero h1 {
      font-size: 27px;
    }

    .hero-buttons {
      flex-direction: column;
      align-items: stretch;
    }

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

    .hero-visual-card {
      width: 100%;
    }

    .card-shell {
      padding: 18px;
    }

    .platform-card {
      padding: 20px;
    }

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

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

    .cta-band {
      padding: 30px 22px;
      border-radius: 16px;
    }

    .status-table th:nth-child(2),
    .status-table td:nth-child(2) {
      display: none;
    }
  }

  @media (max-width: 520px) {
    .header-inner {
      grid-template-columns: auto 1fr auto;
      gap: 8px;
    }

    .brand-lockup {
      font-size: 16px;
      gap: 7px;
    }

    .logo-square {
      width: 31px;
      height: 31px;
      flex-basis: 31px;
      border-radius: 8px;
    }

    .logo-square svg {
      width: 17px;
      height: 17px;
    }

    .desktop-nav {
      top: 64px;
    }

    .header-cta {
      padding: 0 12px;
      font-size: 13px;
      height: 38px;
    }

    .page-hero-grid {
      padding-block: 38px 44px;
    }

    .page-hero h1 {
      font-size: 24px;
    }

    .hero-sub {
      font-size: 15px;
    }

    .hero-meta-line {
      gap: 8px 12px;
      font-size: 12.5px;
    }
  }

/* roulang page: category3 */
:root {
    --bg: #F5F7F4;
    --card: #FFFFFF;
    --ink: #13251E;
    --muted: #5B6B64;
    --soft: #7B8F86;
    --line: #DFE7E1;
    --brand-green: #0E5A45;
    --brand-green-deep: #0A4636;
    --brand-mint: #2B8F71;
    --mint-light: #E3F2EB;
    --amber: #EA9A20;
    --amber-deep: #D37F10;
    --amber-light: #F8E7C3;
    --radius-lg: 16px;
    --radius-md: 12px;
    --shadow-soft: 0 10px 28px rgba(19, 37, 30, 0.06);
    --shadow-lift: 0 16px 40px rgba(19, 37, 30, 0.12);
  }

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

  html {
    scroll-behavior: smooth;
  }

  body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
    background: var(--bg);
    color: var(--ink);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
  }

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

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

  button,
  input,
  select {
    font: inherit;
  }

  .container-x {
    width: min(1200px, 92%);
    margin-inline: auto;
  }

  .section {
    padding: 72px 0;
  }

  .sec-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .08em;
    color: var(--brand-mint);
    background: var(--mint-light);
    border: 1px solid #C8E2D5;
    padding: 6px 12px;
    border-radius: 999px;
  }

  .section-title {
    font-size: 30px;
    line-height: 1.25;
    font-weight: 800;
    margin-top: 14px;
    letter-spacing: -.01em;
    color: var(--ink);
  }

  .section-sub {
    font-size: 15px;
    color: var(--muted);
    margin-top: 12px;
    max-width: 700px;
  }

  .section-center .section-sub {
    margin-inline: auto;
  }

  .site-header {
    background: rgba(248, 250, 247, 0.88);
    border-bottom: 1px solid rgba(223, 231, 225, 0.75);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    will-change: transform;
  }

  .site-header.scrolled {
    background: rgba(255, 255, 255, 0.96);
    border-bottom-color: var(--line);
    box-shadow: 0 8px 24px rgba(19, 37, 30, 0.05);
  }

  .nav-link {
    color: #3B4D45;
    transition: color .2s ease;
  }

  .nav-link:hover {
    color: var(--brand-green);
  }

  .btn-focus {
    box-shadow: 0 0 0 0 transparent;
  }

  .btn-focus:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px rgba(234, 154, 32, 0.4);
  }

  .header-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--amber);
    color: #13251E;
    font-weight: 800;
    height: 40px;
    padding: 0 16px;
    border-radius: 10px;
    font-size: 14px;
    gap: 8px;
    transition: background .2s ease, transform .2s ease, box-shadow .2s ease;
    white-space: nowrap;
  }

  .header-cta:hover {
    background: #EAB03C;
    transform: translateY(-1px);
    box-shadow: 0 8px 18px rgba(234, 154, 32, 0.26);
  }

  .mobile-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    border: 1px solid var(--line);
    background: #fff;
    color: var(--ink);
    margin-left: 6px;
  }

  .mobile-toggle:hover {
    border-color: var(--brand-mint);
    color: var(--brand-green);
  }

  .mobile-drawer {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    z-index: 49;
    background: #fff;
    border-bottom: 1px solid var(--line);
    padding: 10px 0 16px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity .2s ease, transform .2s ease, visibility .2s ease;
    box-shadow: 0 18px 30px rgba(19, 37, 30, 0.08);
  }

  .mobile-drawer.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .mobile-drawer a {
    display: block;
    padding: 13px 4px;
    font-size: 15px;
    font-weight: 600;
    border-bottom: 1px solid #EEF2EE;
    color: #22382F;
  }

  .mobile-drawer a:hover {
    color: var(--brand-green);
  }

  .btn-amber,
  .btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 48px;
    padding: 0 24px;
    border-radius: 12px;
    background: var(--amber);
    color: #13251E;
    font-size: 15px;
    font-weight: 800;
    border: none;
    cursor: pointer;
    transition: background .2s ease, transform .2s ease, box-shadow .2s ease;
    white-space: nowrap;
  }

  .btn-primary:hover,
  .btn-amber:hover {
    background: #E19B1A;
    transform: translateY(-2px);
    box-shadow: 0 12px 24px rgba(234, 154, 32, 0.24);
  }

  .btn-primary:active,
  .btn-amber:active {
    transform: translateY(0);
  }

  .btn-primary:focus-visible,
  .btn-amber:focus-visible {
    outline: none;
    box-shadow: 0 0 0 4px rgba(234, 154, 32, 0.35);
  }

  .btn-line {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 48px;
    padding: 0 22px;
    border-radius: 12px;
    background: transparent;
    border: 1px solid #BFCFC5;
    color: #223C32;
    font-size: 14.5px;
    font-weight: 700;
    transition: background .2s ease, border-color .2s ease, transform .2s ease;
  }

  .btn-line:hover {
    border-color: var(--brand-mint);
    background: #F0F6F2;
    color: var(--brand-green);
    transform: translateY(-1px);
  }

  .btn-line:focus-visible {
    outline: 2px solid rgba(234, 154, 32, 0.45);
    outline-offset: 2px;
  }

  .btn-ghost-light {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 48px;
    padding: 0 22px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.42);
    color: #fff;
    font-size: 14.5px;
    font-weight: 700;
    transition: background .2s ease, border-color .2s ease, transform .2s ease;
  }

  .btn-ghost-light:hover {
    background: rgba(255, 255, 255, 0.14);
    border-color: rgba(255, 255, 255, 0.7);
    transform: translateY(-1px);
  }

  .btn-ghost-light:focus-visible {
    outline: 2px solid rgba(255, 255, 255, 0.55);
    outline-offset: 2px;
  }

  .card-white {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
  }

  .crumb a {
    color: rgba(255, 255, 255, 0.72);
    transition: color .2s;
  }

  .crumb a:hover {
    color: #fff;
  }

  .crumb-sep {
    color: rgba(255, 255, 255, 0.35);
    margin: 0 8px;
  }

  .page-hero {
    color: #fff;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    position: relative;
    overflow: hidden;
  }

  .page-hero .container-x {
    padding: 64px 0;
    position: relative;
    z-index: 2;
  }

  .hero-soft {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 22px;
    padding: 24px;
    backdrop-filter: blur(6px);
  }

  .hero-soft+.hero-soft {
    margin-top: 16px;
  }

  .hero-version-number {
    font-size: 30px;
    font-weight: 800;
    color: #FFE3A6;
  }

  .badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12.5px;
    font-weight: 700;
    border-radius: 999px;
    padding: 5px 11px;
    white-space: nowrap;
  }

  .badge-stable {
    background: #E4F3EE;
    color: #0A4636;
    border: 1px solid #BFDCCE;
  }

  .badge-mint {
    background: #E5F3ED;
    color: #0E5A45;
    border: 1px solid #BEDBCD;
  }

  .badge-amber {
    background: #FBEFD7;
    color: #8A5307;
    border: 1px solid #EDD19A;
  }

  .badge-white {
    background: rgba(255, 255, 255, 0.14);
    border: 1px solid rgba(255, 255, 255, 0.24);
    color: #fff;
  }

  .badge-green-solid {
    background: var(--brand-green);
    color: #EAF5F0;
  }

  .kv-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 32px;
  }

  .kv-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 13px 0;
    border-bottom: 1px solid var(--line);
    font-size: 14.5px;
  }

  .kv-key {
    color: var(--muted);
  }

  .kv-val {
    font-weight: 600;
    text-align: right;
    color: #1B342B;
  }

  .current-card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 22px;
    overflow: hidden;
    display: grid;
    grid-template-columns: 1.25fr .9fr;
    box-shadow: var(--shadow-soft);
  }

  .current-media {
    position: relative;
    min-height: 320px;
    background: #E8EFEA;
  }

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

  .media-caption {
    position: absolute;
    left: 12px;
    right: 12px;
    bottom: 12px;
    z-index: 3;
    background: rgba(10, 54, 42, 0.72);
    backdrop-filter: blur(8px);
    color: #F2F7F3;
    font-size: 13px;
    padding: 8px 12px;
    border-radius: 9px;
    border: 1px solid rgba(255, 255, 255, 0.12);
  }

  .version-cover-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }

  .upd-list {
    list-style: none;
    margin-top: 14px;
    display: flex;
    flex-direction: column;
    gap: 10px;
  }

  .upd-list li {
    display: flex;
    gap: 9px;
    font-size: 14.5px;
    color: #31483E;
    line-height: 1.7;
  }

  .upd-list li svg {
    flex: 0 0 auto;
    margin-top: 3px;
    color: var(--brand-mint);
  }

  .upd-date {
    text-align: right;
    padding: 14px 14px 0 0;
  }

  .upd-date .tl-year {
    display: block;
    font-size: 21px;
    font-weight: 800;
    color: #1B342B;
    line-height: 1.2;
  }

  .upd-date .tl-month {
    display: block;
    margin-top: 4px;
    font-size: 14px;
    color: var(--muted);
  }

  .timeline-list {
    display: flex;
    flex-direction: column;
    margin-top: 34px;
  }

  .timeline-row {
    position: relative;
    display: grid;
    grid-template-columns: 190px 68px minmax(0, 1fr);
  }

  .timeline-row::before {
    content: "";
    position: absolute;
    left: 223px;
    top: 8px;
    bottom: -12px;
    width: 2px;
    background: #D0DFD5;
  }

  .timeline-row:first-child::before {
    top: 18px;
  }

  .timeline-row:last-child::before {
    bottom: auto;
    height: 16px;
  }

  .timeline-row:last-child .timeline-card {
    margin-bottom: 0;
  }

  .timeline-card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 20px 22px;
    margin-bottom: 26px;
    box-shadow: 0 3px 10px rgba(19, 37, 30, 0.03);
    transition: box-shadow .2s ease, transform .2s ease, border-color .2s ease;
  }

  .timeline-card:hover {
    box-shadow: 0 12px 30px rgba(19, 37, 30, 0.08);
    transform: translateY(-2px);
    border-color: #CDDCD2;
  }

  .tl-dot {
    position: absolute;
    left: 214px;
    top: 14px;
    width: 19px;
    height: 19px;
    background: #fff;
    border: 4px solid var(--brand-mint);
    border-radius: 50%;
    box-shadow: 0 0 0 1px rgba(43, 143, 113, 0.2);
    z-index: 2;
  }

  .tl-dot.hot {
    border-color: var(--amber);
  }

  .version-code {
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
    font-weight: 800;
    font-size: 16.5px;
    color: #13251E;
  }

  .update-type-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
  }

  .update-desc {
    margin-top: 8px;
    font-size: 14px;
    color: var(--soft);
    line-height: 1.7;
  }

  .split-info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
    align-items: stretch;
  }

  .info-panel {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 28px;
  }

  .info-panel h3 {
    font-size: 19px;
    font-weight: 800;
    color: #143127;
  }

  .info-note-list {
    list-style: none;
    margin-top: 18px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    font-size: 14.5px;
    color: #41584E;
  }

  .info-note-list li {
    display: flex;
    gap: 10px;
  }

  .info-note-list svg {
    flex: 0 0 auto;
    color: var(--brand-mint);
    margin-top: 3px;
  }

  .source-tip {
    margin-top: 24px;
    font-size: 13px;
    color: var(--muted);
    background: #F0F4F1;
    border-radius: 10px;
    padding: 10px 14px;
  }

  .qa-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
    max-width: 880px;
    margin-inline: auto;
    margin-top: 32px;
  }

  details.qa-item {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 14px;
    overflow: hidden;
    transition: border-color .2s, box-shadow .2s;
  }

  details.qa-item[open] {
    border-color: #C5D9CE;
    box-shadow: 0 8px 24px rgba(19, 37, 30, 0.05);
  }

  details.qa-item summary {
    list-style: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 18px 22px;
    font-size: 15.5px;
    font-weight: 700;
    color: #1B392E;
  }

  details.qa-item summary::-webkit-details-marker {
    display: none;
  }

  details.qa-item summary:hover {
    background: #F8FAF7;
  }

  .qa-icon {
    flex: 0 0 auto;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--mint-light);
    color: var(--brand-green);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 400;
    transition: transform .2s ease, background .2s;
  }

  details.qa-item[open] .qa-icon {
    transform: rotate(45deg);
    background: var(--card);
  }

  .qa-answer {
    padding: 0 22px 20px;
    color: var(--muted);
    font-size: 14.5px;
    line-height: 1.8;
  }

  .cta-band {
    background: linear-gradient(135deg, #0A4636, #0E5A45 60%, #14664F);
    color: #fff;
    border-radius: 20px;
    position: relative;
    overflow: hidden;
  }

  .cta-band .inner-cta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 26px;
  }

  .cta-desc {
    font-size: 15px;
    color: #BFD6CB;
    margin-top: 8px;
    max-width: 620px;
  }

  .footer-note {
    color: #AEC4BA;
  }

  .footer-note a {
    color: #C3D6CE;
  }

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

  @media (max-width: 1023px) {
    .desktop-nav {
      display: none !important;
    }
    .mobile-toggle {
      display: inline-flex;
    }
    .current-card {
      grid-template-columns: 1fr;
    }
    .current-media {
      min-height: 250px;
      order: -1;
      border-bottom: 1px solid var(--line);
    }
    .footer-grid {
      grid-template-columns: 1fr 1fr !important;
    }
    .page-hero .container-x {
      padding: 48px 0;
    }
    .section {
      padding: 56px 0;
    }
  }

  @media (max-width: 860px) {
    .timeline-row {
      display: flex;
      flex-direction: column;
      padding-left: 26px;
      margin-bottom: 14px;
    }
    .timeline-row::before {
      display: none;
    }
    .tl-dot {
      display: none;
    }
    .timeline-row {
      border-left: 2px solid #CDDED4;
      margin-left: 6px;
    }
    .timeline-row:last-child {
      border-left-color: transparent;
      padding-left: 28px;
    }
    .upd-date {
      text-align: left;
      padding: 0 0 6px;
    }
    .upd-date .tl-year {
      display: inline-block;
      font-size: 17px;
      margin-right: 8px;
    }
    .upd-date .tl-month {
      display: inline-block;
      font-size: 13px;
      margin-top: 0;
    }
    .kv-grid {
      grid-template-columns: 1fr;
      gap: 0;
    }
  }

  @media (max-width: 640px) {
    .section {
      padding: 44px 0;
    }
    .section-title {
      font-size: 24px;
    }
    .footer-grid {
      grid-template-columns: 1fr 1fr !important;
      gap: 24px !important;
    }
    .version-cover-card {
      grid-template-columns: 1fr;
    }
    .split-info-grid {
      grid-template-columns: 1fr;
    }
    .inner-cta {
      flex-direction: column;
      align-items: flex-start !important;
    }
    .btn-amber, .btn-line, .btn-ghost-light {
      height: 44px;
      padding-inline: 16px;
      font-size: 14px;
    }
    .current-media {
      min-height: 210px;
    }
    .details.qa-item summary {
      padding: 15px 16px;
      font-size: 14.5px;
    }
    .qa-answer {
      padding: 0 16px 18px;
    }
    .hero-soft {
      padding: 16px;
    }
  }

  @media (max-width: 440px) {
    .logo-text {
      font-size: 16px !important;
    }
    .header-cta {
      font-size: 12.5px;
      padding: 0 12px;
      height: 36px;
    }
    .footer-grid {
      grid-template-columns: 1fr !important;
      gap: 26px !important;
    }
  }

/* roulang page: category4 */
:root {
  --bg-paper: #F5F7F4;
  --card-white: #FFFFFF;
  --fg-ink: #13251E;
  --fg-soft: #5B6B64;
  --line-soft: #DFE7E1;
  --brand-green: #0E5A45;
  --brand-dark: #0A4636;
  --brand-mint: #2B8F71;
  --amber: #D97706;
  --amber-soft: #EA9A20;
  --radius-lg: 14px;
  --radius-md: 10px;
  --shadow-card: 0 1px 2px rgba(19,37,30,.04);
  --shadow-float: 0 14px 34px rgba(19,37,30,.08);
  --max-width: 1200px;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-paper);
  color: var(--fg-ink);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

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

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

button,
input,
details {
  font: inherit;
}

.container-x {
  width: min(var(--max-width), 92%);
  margin-inline: auto;
}

.no-underline {
  text-decoration: none;
}

.btn-focus:focus-visible,
a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 2px solid rgba(234,154,32,.55);
  outline-offset: 3px;
  border-radius: 8px;
}

/* ========== 顶部导航 ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  height: 64px;
  background: rgba(247, 248, 245, .86);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line-soft);
  transition: box-shadow .25s ease, background .25s ease;
}
.site-header.scrolled {
  background: rgba(255,255,255,.96);
  box-shadow: 0 6px 20px rgba(19,37,30,.05);
}
.header-inner {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(var(--max-width), 92%);
  margin-inline: auto;
}
.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--brand-green), var(--brand-mint));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #F5E9C6;
  box-shadow: 0 4px 12px rgba(14,90,69,.18);
}
.logo-text {
  font-weight: 800;
  font-size: 19px;
  letter-spacing: .2px;
  white-space: nowrap;
}
.desktop-nav {
  display: flex;
  align-items: center;
  gap: 30px;
}
.nav-link {
  position: relative;
  font-size: 14.5px;
  font-weight: 600;
  color: #3B4D45;
  padding: 6px 0 8px;
  transition: color .2s ease;
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--brand-green);
  transition: width .25s ease;
}
.nav-link:hover {
  color: var(--brand-green);
}
.nav-link:hover::after {
  width: 100%;
}
.nav-link.is-active {
  color: var(--brand-green);
  font-weight: 800;
}
.nav-link.is-active::after {
  width: 100%;
}
.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--amber);
  color: #13251E;
  font-weight: 700;
  font-size: 14px;
  height: 40px;
  padding: 0 16px;
  border-radius: 10px;
  transition: background .2s ease, transform .2s ease;
  white-space: nowrap;
}
.header-cta:hover {
  background: #B96306;
  transform: translateY(-1px);
}
.header-cta:active {
  transform: translateY(1px);
}
.mobile-menu-btn {
  width: 40px;
  height: 40px;
  border: 1px solid var(--line-soft);
  background: #fff;
  border-radius: 10px;
  display: none;
  align-items: center;
  justify-content: center;
  color: var(--brand-green);
  cursor: pointer;
}
.mobile-drawer {
  display: none;
  position: fixed;
  top: 65px;
  right: 4%;
  width: min(300px, 92%);
  background: #fff;
  border: 1px solid var(--line-soft);
  border-radius: 14px;
  box-shadow: var(--shadow-float);
  padding: 14px;
  z-index: 80;
}
.mobile-drawer.open {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.mobile-drawer a {
  padding: 10px 12px;
  border-radius: 9px;
  font-size: 14px;
  font-weight: 600;
  color: #2d443a;
}
.mobile-drawer a:hover {
  background: #F0F5F1;
}
.mobile-drawer a.is-active {
  color: var(--brand-green);
  background: #EBF1ED;
  font-weight: 800;
}

/* ========== 通用页头 Hero ========== */
.page-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line-soft);
  background:
    radial-gradient(circle at 82% 18%, rgba(43,143,113,.10), transparent 36%),
    linear-gradient(135deg, #FFFFFF 60%, #F0F4EF 100%);
}
.page-hero .bg-deco {
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-2.webp') right center / cover no-repeat;
  opacity: .13;
  pointer-events: none;
}
.hero-inner {
  position: relative;
  z-index: 1;
  padding: 70px 0 76px;
  display: grid;
  grid-template-columns: 1.05fr .9fr;
  gap: 48px;
  align-items: center;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .2px;
  color: var(--brand-green);
  background: rgba(14,90,69,.08);
  border: 1px solid rgba(14,90,69,.13);
  border-radius: 999px;
  padding: 6px 14px;
}
.page-hero h1 {
  font-size: clamp(34px, 4.4vw, 48px);
  line-height: 1.22;
  font-weight: 900;
  color: var(--fg-ink);
  margin: 20px 0 18px;
  letter-spacing: -1px;
}
.page-hero .lead {
  font-size: 16px;
  color: var(--fg-soft);
  max-width: 560px;
  line-height: 1.85;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: 28px;
}
.btn-download {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  height: 48px;
  padding: 0 24px;
  border-radius: 12px;
  background: var(--amber);
  color: #13251E;
  font-weight: 800;
  font-size: 15px;
  box-shadow: 0 8px 22px rgba(217,119,6,.25);
  transition: background .2s ease, transform .2s ease, box-shadow .2s ease;
}
.btn-download:hover {
  background: #C06308;
  box-shadow: 0 10px 26px rgba(192,99,8,.3);
  transform: translateY(-1px);
}
.btn-download:active {
  transform: translateY(1px) scale(.99);
}
.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 0 20px;
  border-radius: 12px;
  border: 1px solid var(--line-soft);
  background: var(--card-white);
  color: var(--brand-green);
  font-weight: 700;
  font-size: 14.5px;
  transition: border-color .2s ease, background .2s ease, transform .2s ease;
}
.btn-outline:hover {
  border-color: var(--brand-mint);
  background: #F2F7F4;
  transform: translateY(-1px);
}
.hero-note {
  margin-top: 16px;
  font-size: 12.5px;
  color: #7C8D85;
  display: flex;
  align-items: center;
  gap: 6px;
}
.hero-img {
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid rgba(223,231,225,.7);
  box-shadow: var(--shadow-float);
}
.hero-img img {
  width: 100%;
  height: 100%;
  aspect-ratio: 4 / 3;
}
.hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-top: 22px;
}
.hero-facts .fact {
  display: flex;
  gap: 10px;
  align-items: center;
}
.hero-facts .fact strong {
  font-size: 22px;
  font-weight: 900;
  color: var(--brand-green);
  line-height: 1.1;
}
.hero-facts .fact span {
  font-size: 12.5px;
  color: var(--fg-soft);
}

/* ========== 通用区块标题 ========== */
.section-block {
  padding: 76px 0;
}
.section-block.tint {
  background: #FBFCFA;
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}
.section-block .kicker {
  font-size: 13px;
  font-weight: 700;
  color: var(--brand-mint);
  letter-spacing: .4px;
  text-transform: uppercase;
}
.section-block h2 {
  font-size: clamp(24px, 3vw, 31px);
  font-weight: 900;
  line-height: 1.35;
  margin: 10px 0 10px;
}
.section-block .sec-desc {
  font-size: 15px;
  color: var(--fg-soft);
  max-width: 680px;
  line-height: 1.85;
  margin-bottom: 32px;
}

/* ========== 分类快速入口 ========== */
.topic-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.topic-card {
  background: var(--card-white);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  padding: 22px 18px 18px;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.topic-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-float);
  border-color: rgba(43,143,113,.4);
}
.topic-card .icon-wrap {
  width: 42px;
  height: 42px;
  border-radius: 11px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(14,90,69,.09);
  color: var(--brand-green);
  margin-bottom: 14px;
}
.topic-card h3 {
  font-size: 16px;
  font-weight: 800;
  margin: 0 0 6px;
}
.topic-card p {
  font-size: 13.5px;
  color: var(--fg-soft);
  line-height: 1.7;
  margin: 0 0 12px;
}
.topic-card .more {
  font-size: 13px;
  font-weight: 700;
  color: var(--brand-green);
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.topic-card .more:hover {
  color: var(--amber);
}

/* ========== FAQ Groups ========== */
.faq-groups {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  align-items: start;
}
.faq-group {
  background: #fff;
  border: 1px solid var(--line-soft);
  border-radius: 18px;
  padding: 18px 18px 8px;
  box-shadow: var(--shadow-card);
}
.faq-group .group-title {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 4px 6px 14px;
  border-bottom: 1px solid var(--line-soft);
  margin-bottom: 8px;
}
.faq-group .group-title span {
  font-size: 12px;
  font-weight: 700;
  background: rgba(14,90,69,.08);
  color: var(--brand-green);
  border-radius: 6px;
  padding: 4px 9px;
}
.faq-group .group-title h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 800;
}
details.faq-card {
  border-radius: 12px;
  transition: background .2s ease;
}
details.faq-card + details.faq-card {
  margin-top: 4px;
}
details.faq-card summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 15px 8px 14px 10px;
  font-size: 15px;
  font-weight: 700;
  color: var(--fg-ink);
  line-height: 1.55;
  border-radius: 12px;
  transition: color .18s ease, background .18s ease;
}
details.faq-card summary::-webkit-details-marker {
  display: none;
}
details.faq-card summary:hover {
  color: var(--brand-green);
  background: #F7FAF8;
}
details.faq-card[open] summary {
  color: var(--brand-green);
}
.faq-circle {
  flex: 0 0 28px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #EDF3EF;
  color: var(--brand-green);
  font-weight: 700;
  font-size: 18px;
  transition: transform .25s ease, background .25s ease, color .25s ease;
}
details[open] .faq-circle {
  background: var(--brand-green);
  color: #fff;
  transform: rotate(45deg);
}
.faq-answer {
  padding: 2px 10px 18px 12px;
  margin-left: 8px;
  color: var(--fg-soft);
  font-size: 14px;
  line-height: 1.8;
  border-top: 1px dashed #E7EEE9;
}
.faq-answer p {
  margin: 12px 0 0;
}

/* ========== 问题现象速查 ========== */
.lookup-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.lookup-card {
  background: #fff;
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--brand-mint);
  border-radius: 13px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.lookup-card:hover {
  transform: translateX(3px);
  box-shadow: var(--shadow-card);
}
.lookup-card .pheno {
  font-size: 13px;
  color: var(--fg-soft);
  font-weight: 600;
  line-height: 1.7;
}
.lookup-card .pheno strong {
  color: var(--fg-ink);
}
.lookup-card .route {
  font-size: 13px;
  font-weight: 700;
  color: var(--brand-green);
}
.lookup-card .route:hover {
  color: var(--amber);
}

/* ========== 检查顺序 ========== */
.steps-wrap {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 8px;
}
.step-item {
  position: relative;
  background: #fff;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  padding: 24px 18px 18px;
  transition: transform .2s ease, box-shadow .2s ease;
}
.step-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-float);
}
.step-item .step-num {
  font-size: 30px;
  font-weight: 900;
  color: rgba(14,90,69,.15);
  letter-spacing: -1px;
  line-height: 1;
  margin-bottom: 16px;
}
.step-item h3 {
  font-size: 15.5px;
  font-weight: 800;
  margin: 0 0 7px;
}
.step-item p {
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--fg-soft);
  margin: 0;
}

/* ========== Bottom CTA ========== */
.cta-banner {
  background:
    linear-gradient(112deg, rgba(10,53,42,.04) 0%, rgba(255,255,255,.8) 50%),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  border: 1px solid var(--line-soft);
  border-radius: 20px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 34px 32px;
}
.cta-banner h2 {
  font-size: clamp(21px, 2.5vw, 27px);
  font-weight: 900;
  margin: 0 0 10px;
}
.cta-banner p {
  font-size: 14.5px;
  color: var(--fg-soft);
  max-width: 620px;
  margin: 0;
  line-height: 1.75;
}
.cta-banner .cta-right {
  flex: 0 0 auto;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

/* ========== Footer ========== */
.site-footer {
  background: #0A352A;
  color: #C4D2CB;
  margin-top: 70px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 36px;
  padding: 56px 0 46px;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  color: #fff;
  font-size: 19px;
}
.footer-brand .footer-icon {
  background: rgba(255,255,255,.1);
  width: 34px;
  height: 34px;
  border-radius: 9px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #EA9A20;
}
.footer-desc {
  font-size: 14px;
  line-height: 1.75;
  margin-top: 14px;
  color: #93ADA0;
  max-width: 360px;
}
.footer-col > div {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 18px;
}
.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 11px;
  font-size: 14px;
}
.footer-col ul a {
  color: #AEC4BA;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color .2s ease;
}
.footer-col ul a:hover {
  color: #fff;
}
.copyright {
  border-top: 1px solid rgba(255,255,255,.07);
  padding: 17px 0;
  font-size: 13px;
  color: #88A297;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.copyright a {
  color: #AEC4BA;
}

/* ========== responsive ========== */
@media (max-width: 1080px) {
  .desktop-nav {
    gap: 18px;
  }
  .topic-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .steps-wrap {
    grid-template-columns: repeat(2, 1fr);
  }
  .cta-banner {
    flex-direction: column;
    align-items: flex-start;
  }
}
@media (max-width: 860px) {
  .desktop-nav {
    display: none;
  }
  .mobile-menu-btn {
    display: inline-flex;
  }
  .hero-inner {
    grid-template-columns: 1fr;
    padding: 46px 0 52px;
  }
  .hero-img {
    display: none;
  }
  .section-block {
    padding: 56px 0;
  }
  .faq-groups {
    grid-template-columns: 1fr;
  }
  .lookup-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    padding: 46px 0 36px;
  }
}
@media (max-width: 560px) {
  .logo-text {
    white-space: normal;
    max-width: 132px;
    line-height: 1.2;
    font-size: 17px;
  }
  .page-hero h1 {
    font-size: 30px;
  }
  .page-hero .lead {
    font-size: 15px;
  }
  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }
  .btn-download,
  .btn-outline {
    width: 100%;
  }
  .topic-grid {
    grid-template-columns: 1fr;
  }
  .steps-wrap {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 26px;
  }
  .cta-banner {
    padding: 26px 20px;
    border-radius: 16px;
  }
  .cta-banner .cta-right {
    flex-direction: column;
  }
}