/* roulang page: index */
:root {
  --bg-base: #060B17;
  --bg-panel: #0A1322;
  --bg-panel2: #0C182A;
  --panel-glass: rgba(255,255,255,0.05);
  --panel-glass-light: rgba(255,255,255,0.08);
  --border-glass: rgba(255,255,255,0.12);
  --border-highlight: rgba(255,255,255,0.18);
  --text-primary: rgba(235,242,255,0.94);
  --text-secondary: rgba(235,242,255,0.7);
  --text-muted: rgba(235,242,255,0.42);
  --cyan: #22D3EE;
  --deep-cyan: #0E7490;
  --teal: #0E7A9E;
  --gold: #D6A94E;
  --success: #34D399;
  --warning: #FBBF24;
  --danger: #F87171;
  --radius-card: 16px;
  --radius-lg: 24px;
  --radius-btn: 10px;
  --shadow-card: 0 1px 0 rgba(255,255,255,0.05) inset, 0 10px 32px rgba(0,0,0,0.4);
  --shadow-card-hover: 0 14px 40px rgba(0,0,0,0.5), 0 0 0 1px rgba(255,255,255,0.14);
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background-color: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(ellipse at 50% 20%, black 20%, transparent 78%);
  mask-image: radial-gradient(ellipse at 50% 20%, black 20%, transparent 78%);
}

header, main, footer { position: relative; z-index: 1; }

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

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

.container-page {
  width: min(1200px, 100% - 40px);
  margin-inline: auto;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan);
  font-weight: 600;
}

.section-label::before {
  content: "";
  width: 20px;
  height: 1px;
  display: inline-block;
  background: linear-gradient(90deg, var(--cyan), transparent);
}

.glass-card,
.glass-card-lg {
  background: linear-gradient(180deg, var(--panel-glass-light), var(--panel-glass));
  border: 1px solid var(--border-glass);
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.glass-card { border-radius: var(--radius-card); }
.glass-card-lg { border-radius: var(--radius-lg); }

.btn-primary,
.btn-secondary,
.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 46px;
  padding: 0 26px;
  border-radius: var(--radius-btn);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, box-shadow 0.25s ease, transform 0.12s ease, filter 0.15s ease;
  white-space: nowrap;
  user-select: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--cyan), var(--deep-cyan));
  color: #04252f;
  text-shadow: 0 0 8px rgba(128,224,255,0.35);
  box-shadow: 0 0 0 1px rgba(34,211,238,0.4), 0 0 24px rgba(34,211,238,0.22), 0 10px 24px rgba(0,0,0,0.3);
}

.btn-primary:hover {
  filter: brightness(1.05);
  box-shadow: 0 0 0 1px rgba(34,211,238,0.55), 0 0 32px rgba(34,211,238,0.32), 0 12px 28px rgba(0,0,0,0.35);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: scale(0.97);
  box-shadow: 0 0 0 1px rgba(34,211,238,0.35), 0 0 14px rgba(34,211,238,0.16);
}

.btn-primary:focus-visible {
  outline: none;
  box-shadow: 0 0 0 4px rgba(34,211,238,0.25), 0 0 0 1px rgba(34,211,238,0.8), 0 0 24px rgba(34,211,238,0.25);
}

.btn-secondary {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.15);
  color: rgba(235,242,255,0.85);
}

.btn-secondary:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.28);
  transform: translateY(-2px);
}

.btn-secondary:active {
  transform: scale(0.98) translateY(0);
}

.btn-secondary:focus-visible {
  outline: none;
  box-shadow: 0 0 0 4px rgba(34,211,238,0.18), 0 0 0 1px rgba(255,255,255,0.4);
}

.btn-ghost {
  background: transparent;
  border: 1px solid transparent;
  color: rgba(235,242,255,0.6);
  font-weight: 500;
}

.btn-ghost:hover {
  color: var(--cyan);
  background: rgba(34,211,238,0.06);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  position: relative;
  font-weight: 500;
  color: rgba(235,242,255,0.85);
  transition: color 0.2s ease;
}

.text-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -3px;
  width: 0;
  height: 1px;
  background: var(--cyan);
  transition: width 0.3s ease;
}

.text-link:hover {
  color: var(--cyan);
}

.text-link:hover::after {
  width: 100%;
}

#siteHeader .nav-shell {
  background: rgba(6,11,23,0.4);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: background 0.4s ease, backdrop-filter 0.4s ease, box-shadow 0.4s ease;
}

#siteHeader.scrolled .nav-shell {
  background: rgba(6,11,23,0.75);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.35);
}

.nav-item {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 14px;
  color: rgba(235,242,255,0.68);
  transition: color 0.2s ease, background 0.2s ease;
  position: relative;
}

.nav-item:hover {
  color: rgba(235,242,255,0.95);
  background: rgba(255,255,255,0.04);
}

.nav-item.is-active {
  color: var(--cyan);
  background: rgba(34,211,238,0.06);
}

.nav-item.is-active::after {
  content: "";
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 2px;
  height: 2px;
  border-radius: 999px;
  background: var(--cyan);
  box-shadow: 0 0 8px rgba(34,211,238,0.5);
}

#mobileMenu {
  transition: opacity 0.2s ease, transform 0.2s ease;
  transform: translateY(-8px);
}

#mobileMenu.open {
  opacity: 1;
  transform: translateY(0);
}

.mobile-link {
  display: block;
  padding: 14px 16px;
  border-radius: 14px;
  font-size: 18px;
  color: rgba(235,242,255,0.8);
  transition: background 0.2s ease, color 0.2s ease;
}

.mobile-link:hover {
  background: rgba(34,211,238,0.06);
  color: var(--cyan);
}

.mobile-link.is-active {
  color: var(--cyan);
  background: rgba(34,211,238,0.08);
}

.info-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 28px;
  padding: 0 10px;
  border-radius: 6px;
  border: 1px solid rgba(214,169,78,0.35);
  background: rgba(214,169,78,0.08);
  color: rgba(214,169,78,0.95);
  font-size: 12px;
  line-height: 1;
  white-space: nowrap;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--success);
  box-shadow: 0 0 0 0 rgba(52,211,153,0.5);
  animation: pulse-dot 2.2s ease-out infinite;
  display: inline-block;
}

@keyframes pulse-dot {
  0% { box-shadow: 0 0 0 0 rgba(52,211,153,0.5); }
  70% { box-shadow: 0 0 0 8px rgba(52,211,153,0); }
  100% { box-shadow: 0 0 0 0 rgba(52,211,153,0); }
}

.num-stat {
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum";
  letter-spacing: -0.02em;
}

.section-space {
  padding: 88px 0;
}

@media (min-width: 1024px) {
  .section-space { padding: 104px 0; }
}

@media (max-width: 640px) {
  .section-space { padding: 68px 0; }
}

.hero-surface {
  background-image: linear-gradient(rgba(6,11,23,0.86), rgba(6,11,23,0.82)), url("/assets/images/backpic/back-1.webp");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.pain-card {
  position: relative;
  overflow: hidden;
  min-height: 220px;
  padding: 28px 26px;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.pain-card::before {
  content: "";
  position: absolute;
  top: 16px;
  right: 16px;
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: rgba(214,169,78,0.2);
  transition: background 0.3s ease, box-shadow 0.3s ease;
}

.pain-card:hover::before {
  background: var(--gold);
  box-shadow: 0 0 14px rgba(214,169,78,0.55);
}

.pain-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255,255,255,0.2);
  box-shadow: var(--shadow-card-hover);
}

.pain-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 26px;
  height: 26px;
  border-radius: 999px;
  background: rgba(34,211,238,0.08);
  border: 1px solid rgba(34,211,238,0.28);
  color: var(--cyan);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 14px;
}

.solution-cover-panel {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-glass);
  box-shadow: var(--shadow-card);
  position: relative;
  background: var(--bg-panel);
}

.solution-cover-panel img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  min-height: 300px;
}

.cover-caption {
  position: absolute;
  right: 20px;
  bottom: 20px;
  left: 20px;
  border-radius: var(--radius-card);
  background: rgba(6,11,23,0.7);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border-glass);
  padding: 18px 20px;
}

.feature-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 18px 14px;
  border-radius: 14px;
  transition: background 0.2s ease, transform 0.2s ease, border-color 0.2s ease;
  border: 1px solid transparent;
}

.feature-row:hover {
  background: rgba(34,211,238,0.04);
  transform: translateX(4px);
  border-color: rgba(34,211,238,0.15);
}

.feature-row::before {
  content: "";
  width: 3px;
  height: 100%;
  min-height: 40px;
  align-self: stretch;
  border-radius: 999px;
  background: rgba(34,211,238,0.6);
  opacity: 0.5;
  transition: opacity 0.2s ease;
}

.feature-row:hover::before { opacity: 1; }

.auth-stat-card {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 30px 28px;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

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

.t-card {
  padding: 26px 26px 22px;
  border-radius: var(--radius-card);
  background: linear-gradient(180deg, rgba(255,255,255,0.07), rgba(255,255,255,0.04));
  border: 1px solid var(--border-glass);
  box-shadow: var(--shadow-card);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.t-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card-hover);
}

.t-card-long {
  border-radius: var(--radius-lg);
  padding: 34px 36px;
}

.avatar-initial {
  width: 44px;
  height: 44px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 17px;
  color: white;
  background: linear-gradient(140deg, #1e3a5f, #2a4d6e);
  border: 1px solid rgba(255,255,255,0.12);
  box-shadow: 0 0 0 1px rgba(34,211,238,0.12);
}

.star-gold {
  color: var(--gold);
  display: inline-flex;
  gap: 3px;
  font-size: 13px;
}

.news-item {
  display: grid;
  grid-template-columns: 96px 120px minmax(0, 1fr) 88px;
  column-gap: 20px;
  align-items: center;
  padding: 18px 8px;
  border-bottom: 1px dashed rgba(255,255,255,0.1);
  transition: background 0.2s ease;
}

.news-item:hover { background: rgba(255,255,255,0.02); }

.news-item:last-child { border-bottom: none; }

.news-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: rgba(235,242,255,0.55);
  white-space: nowrap;
  transition: color 0.2s ease, transform 0.2s ease;
}

.news-link:hover {
  color: var(--cyan);
  transform: translateX(4px);
}

.cta-panel {
  position: relative;
  overflow: hidden;
  border-radius: calc(var(--radius-lg) + 8px);
  border: 1px solid var(--border-glass);
  background:
    linear-gradient(0deg, rgba(6,11,23,0.88), rgba(10,19,34,0.82)),
    url("/assets/images/backpic/back-2.png");
  background-size: cover;
  background-position: center;
  box-shadow: 0 20px 60px rgba(0,0,0,0.45), 0 1px 0 rgba(255,255,255,0.08) inset;
}

.glow-source {
  position: relative;
  transition: box-shadow 0.3s ease;
}

.glow-source::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 30px;
  background: radial-gradient(ellipse at center, rgba(34,211,238,0.25), transparent 70%);
  pointer-events: none;
}

.channel-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 30px;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(52,211,153,0.1);
  border: 1px solid rgba(52,211,153,0.3);
  color: var(--success);
  font-size: 13px;
  font-weight: 500;
}

.channel-pill .status-dot { width: 6px; height: 6px; }

.faq-wrap {
  display: grid;
  grid-template-columns: 1.1fr 2fr;
  gap: 28px;
  align-items: start;
}

.faq-group-title {
  font-size: 15px;
  color: rgba(235,242,255,0.85);
  font-weight: 600;
  padding: 10px 0 6px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  margin-bottom: 10px;
  letter-spacing: 0.02em;
}

.faq-item {
  border-radius: var(--radius-card);
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.faq-item[open] {
  border-color: rgba(34,211,238,0.28);
  background: rgba(34,211,238,0.03);
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 17px 18px;
  font-weight: 500;
  color: rgba(235,242,255,0.88);
}

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

.faq-icon {
  flex: 0 0 24px;
  width: 24px;
  height: 24px;
  border-radius: 999px;
  background: rgba(34,211,238,0.08);
  border: 1px solid rgba(34,211,238,0.3);
  position: relative;
}

.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  translate: -50% -50%;
  background: var(--cyan);
  border-radius: 2px;
  transition: transform 0.28s ease, opacity 0.2s ease;
}

.faq-icon::before { width: 10px; height: 2px; }
.faq-icon::after { width: 2px; height: 10px; }

.faq-item[open] .faq-icon::after {
  transform: translate(-50%, -50%) rotate(180deg);
  opacity: 0;
}

.faq-answer {
  padding: 2px 18px 18px;
  color: rgba(235,242,255,0.7);
  font-size: 15px;
  line-height: 1.9;
  border-top: 1px solid rgba(255,255,255,0.06);
  margin-top: 2px;
  padding-top: 14px;
}

.footer-divider-line {
  position: relative;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.footer-divider-line::after {
  content: "";
  position: absolute;
  top: -3px;
  left: 50%;
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--cyan);
  box-shadow: 0 0 10px rgba(34,211,238,0.5);
  transform: translateX(-50%);
}

.footer-tag {
  display: inline-flex;
  align-items: center;
  padding: 5px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  font-size: 13px;
  color: rgba(235,242,255,0.65);
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.footer-tag:hover {
  color: var(--cyan);
  border-color: rgba(34,211,238,0.35);
  background: rgba(34,211,238,0.05);
}

.scroll-line {
  width: 1px;
  height: 32px;
  margin-inline: auto;
  background: linear-gradient(180deg, rgba(34,211,238,0), rgba(34,211,238,0.7), rgba(34,211,238,0));
  animation: lineDrop 2s ease-in-out infinite;
}

@keyframes lineDrop {
  0% { transform: scaleY(0); transform-origin: top; }
  55% { transform: scaleY(1); transform-origin: top; }
  100% { transform: translateY(4px) scaleY(0); transform-origin: bottom; }
}

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

.form-field {
  width: 100%;
  height: 48px;
  border-radius: 12px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.12);
  padding: 0 16px;
  color: rgba(235,242,255,0.92);
  font-size: 15px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-field::placeholder { color: rgba(235,242,255,0.35); }

.form-field:focus {
  outline: none;
  border-color: rgba(34,211,238,0.7);
  box-shadow: 0 0 0 3px rgba(34,211,238,0.18);
}

.form-field[aria-invalid="true"] {
  border-color: var(--danger);
}

@media (max-width: 768px) {
  .news-item {
    grid-template-columns: 1fr auto;
    row-gap: 8px;
    padding: 14px 4px;
  }

  .news-item .news-time { grid-column: 1 / -1; }
  .news-item .news-tag { grid-column: 1 / -1; justify-self: start; }
  .news-item .news-main { grid-column: 1 / -1; }
  .news-item .news-link { grid-column: 1 / -1; }

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

  .cta-panel { border-radius: 20px; }

  .btn-primary,
  .btn-secondary {
    width: 100%;
    padding: 0 16px;
  }

  .t-card-long { padding: 24px 20px; }
}

@media (max-width: 480px) {
  .section-space { padding: 56px 0; }

  .btn-ghost { width: 100%; }

  .solution-cover-panel img { min-height: 220px; }

  .cover-caption {
    right: 12px;
    bottom: 12px;
    left: 12px;
    padding: 14px;
  }

  .pain-card { padding: 22px 18px; }
}

/* roulang page: article */
:root{
  --bg-base:#060B17;
  --bg-section:#0A1322;
  --bg-deep:#04070E;
  --glass-card:rgba(255,255,255,0.05);
  --glass-card-hover:rgba(255,255,255,0.08);
  --glass-border:rgba(255,255,255,0.12);
  --glass-border-light:rgba(255,255,255,0.18);
  --text-primary:rgba(235,242,255,0.94);
  --text-secondary:rgba(235,242,255,0.7);
  --text-muted:rgba(235,242,255,0.42);
  --accent:#22D3EE;
  --accent-deep:#0E7490;
  --gold:#D6A94E;
  --success:#34D399;
  --warning:#FBBF24;
  --danger:#F87171;
  --radius-card:16px;
  --radius-large:24px;
  --font-sans:"PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--text-primary);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  min-height:100vh;
  position:relative;
}
img{max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
button,input,textarea,select{font-family:inherit;font-size:inherit;}
ul,ol{padding-left:1.2em;}

.container-page{
  width:100%;
  max-width:1200px;
  margin-left:auto;
  margin-right:auto;
  padding-left:24px;
  padding-right:24px;
}
@media(max-width:640px){.container-page{padding-left:16px;padding-right:16px;}}

.bg-decor{
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:
    radial-gradient(circle at 82% 12%, rgba(34,211,238,0.10), transparent 34%),
    radial-gradient(circle at 8% 58%, rgba(4,90,120,0.12), transparent 38%),
    var(--bg-base);
}
.bg-decor::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size:60px 60px;
  mask-image:linear-gradient(180deg, rgba(0,0,0,0.5), transparent 76%);
  -webkit-mask-image:linear-gradient(180deg, rgba(0,0,0,0.5), transparent 76%);
}
.bg-decor::after{
  content:"";
  position:absolute;
  left:50%;
  top:-140px;
  width:800px;
  height:420px;
  transform:translateX(-50%);
  background:linear-gradient(90deg, transparent, rgba(34,211,238,0.08), transparent);
  filter:blur(20px);
  opacity:0.5;
}

.glass-header{
  border:1px solid rgba(255,255,255,0.08);
  background:rgba(6,11,23,0.4);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  box-shadow:0 8px 32px rgba(0,0,0,0.25);
  border-radius:999px;
  transition:background 0.3s ease, border-color 0.3s ease, backdrop-filter 0.3s ease, box-shadow 0.3s ease;
}
#siteHeader.is-scrolled .glass-header{
  background:rgba(6,11,23,0.78);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  border-color:rgba(255,255,255,0.12);
  box-shadow:0 14px 40px rgba(0,0,0,0.45);
}

.brand-logo{
  white-space:nowrap;
  font-size:16px;
  font-weight:700;
  letter-spacing:0.02em;
  color:#fff;
  transition:opacity 0.2s;
}
.brand-logo:hover{opacity:0.9;}
.brand-logo .brand-tail{color:var(--accent);}
@media(min-width:1024px){.brand-logo{font-size:18px;}}

.nav-item{
  position:relative;
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:9px 14px;
  border-radius:999px;
  font-size:14px;
  font-weight:500;
  color:var(--text-secondary);
  white-space:nowrap;
  transition:color 0.2s, background 0.2s;
}
.nav-item:hover{color:#eef6ff;background:rgba(255,255,255,0.06);}
.nav-item.is-active{color:var(--accent);}
.nav-item.is-active::after{
  content:"";
  position:absolute;
  left:50%;
  transform:translateX(-50%);
  bottom:2px;
  width:20px;
  height:2px;
  border-radius:2px;
  background:var(--accent);
  box-shadow:0 0 12px rgba(34,211,238,0.7);
}
.nav-item:focus-visible{
  outline:none;
  box-shadow:0 0 0 4px rgba(34,211,238,0.22);
  color:var(--text-primary);
}

.btn-primary{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:10px 22px;
  border-radius:10px;
  background:linear-gradient(135deg,#22D3EE,#0E7490);
  color:#081126;
  font-weight:700;
  font-size:14px;
  line-height:1.2;
  border:none;
  cursor:pointer;
  box-shadow:inset 0 0 0 1px rgba(34,211,238,0.4),0 0 24px rgba(34,211,238,0.22);
  text-shadow:0 1px 8px rgba(255,255,255,0.22);
  transition:transform 0.22s ease, box-shadow 0.22s ease, filter 0.22s ease;
}
.btn-primary:hover{
  filter:brightness(1.05);
  transform:translateY(-1px);
  box-shadow:inset 0 0 0 1px rgba(34,211,238,0.5),0 0 32px rgba(34,211,238,0.34);
}
.btn-primary:active{
  transform:scale(0.97);
  box-shadow:inset 0 0 0 1px rgba(34,211,238,0.3),0 0 14px rgba(34,211,238,0.18);
}
.btn-primary:focus-visible{
  outline:none;
  box-shadow:0 0 0 4px rgba(34,211,238,0.25),inset 0 0 0 1px rgba(34,211,238,0.4);
}

.btn-secondary{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:11px 22px;
  border-radius:10px;
  border:1px solid var(--glass-border);
  background:rgba(255,255,255,0.05);
  color:rgba(235,242,255,0.9);
  font-weight:500;
  font-size:14px;
  cursor:pointer;
  transition:background 0.2s, border-color 0.2s, transform 0.2s, color 0.2s;
}
.btn-secondary:hover{
  background:rgba(255,255,255,0.08);
  border-color:rgba(255,255,255,0.2);
  transform:translateY(-2px);
  color:#fff;
}
.btn-secondary:focus-visible{
  outline:none;
  box-shadow:0 0 0 4px rgba(34,211,238,0.22);
}
.btn-secondary:active{transform:translateY(0) scale(0.98);}

.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  position:relative;
  color:var(--text-secondary);
  transition:color 0.2s;
}
.text-link::after{
  content:"";
  position:absolute;
  left:0;
  bottom:-3px;
  height:1px;
  width:0;
  background:var(--accent);
  transition:width 0.25s ease;
}
.text-link:hover{color:var(--accent);}
.text-link:hover::after{width:100%;}

.burger-btn{
  display:none;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
  width:42px;
  height:42px;
  border-radius:12px;
  border:1px solid rgba(255,255,255,0.1);
  background:rgba(255,255,255,0.04);
  cursor:pointer;
  transition:background 0.2s, border-color 0.2s;
}
.burger-btn:hover{background:rgba(255,255,255,0.08);border-color:rgba(255,255,255,0.16);}
.burger-btn span{
  display:block;
  width:18px;
  height:2px;
  background:rgba(255,255,255,0.8);
  border-radius:2px;
  transition:transform 0.25s ease,opacity 0.2s ease,background 0.2s;
}
.burger-btn.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);background:var(--accent);}
.burger-btn.is-open span:nth-child(2){opacity:0;}
.burger-btn.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);background:var(--accent);}
@media(max-width:1023px){.burger-btn{display:flex;}}

.mobile-drawer{
  position:absolute;
  top:calc(100% + 14px);
  left:0;
  right:0;
  padding:0 16px;
  opacity:0;
  transform:translateY(-8px);
  pointer-events:none;
  transition:opacity 0.25s ease,transform 0.25s ease;
}
.mobile-drawer.is-open{
  opacity:1;
  transform:translateY(0);
  pointer-events:auto;
}
.mobile-drawer .drawer-inner{
  background:rgba(8,13,26,0.92);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  border:1px solid rgba(255,255,255,0.1);
  border-radius:20px;
  padding:14px;
  box-shadow:0 20px 60px rgba(0,0,0,0.5);
}
.mobile-link{
  display:block;
  padding:13px 16px;
  border-radius:12px;
  font-size:17px;
  font-weight:500;
  color:var(--text-secondary);
  transition:background 0.2s,color 0.2s;
}
.mobile-link:hover{background:rgba(255,255,255,0.06);color:#fff;}
.mobile-link.is-active{color:var(--accent);background:rgba(34,211,238,0.05);}

.breadcrumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:14px;
  color:var(--text-muted);
}
.breadcrumb a{color:var(--text-secondary);transition:color 0.2s;}
.breadcrumb a:hover{color:var(--accent);}
.breadcrumb-sep{color:rgba(235,242,255,0.2);}

.article-shell{
  position:relative;
  z-index:1;
  background:rgba(255,255,255,0.04);
  border:1px solid var(--glass-border);
  border-radius:24px;
  padding:40px;
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,0.08),0 14px 40px rgba(0,0,0,0.28);
  max-width:880px;
  margin-left:auto;
  margin-right:auto;
}
@media(max-width:640px){
  .article-shell{padding:24px 20px;border-radius:18px;}
}

.article-title{
  font-size:34px;
  line-height:1.3;
  font-weight:800;
  letter-spacing:-0.02em;
  color:#f2f7ff;
  margin:0 0 20px;
}
@media(max-width:768px){
  .article-title{font-size:26px;}
}
@media(max-width:520px){
  .article-title{font-size:22px;line-height:1.4;}
}

.meta-item{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:13px;
  color:var(--text-muted);
}
.meta-item svg{width:15px;height:15px;opacity:0.8;}
.meta-item strong{font-weight:600;color:var(--text-secondary);}

.article-body{
  margin-top:28px;
  font-size:16px;
  line-height:2;
  color:rgba(235,242,255,0.92);
  word-break:break-word;
}
.article-body p{margin:0 0 24px;}
.article-body h2{
  font-size:24px;
  font-weight:700;
  color:#f4f8ff;
  line-height:1.4;
  margin:40px 0 18px;
  padding-left:14px;
  border-left:3px solid var(--accent);
  border-radius:0 6px 6px 0;
}
.article-body h3{
  font-size:19px;
  font-weight:700;
  color:#eaf1ff;
  margin:30px 0 14px;
}
.article-body a{
  color:var(--accent);
  border-bottom:1px solid rgba(34,211,238,0.3);
  transition:border-color 0.2s,color 0.2s;
}
.article-body a:hover{border-color:var(--accent);color:#7ee7f7;}
.article-body ul,.article-body ol{margin:0 0 24px;padding-left:1.4em;}
.article-body li{margin-bottom:8px;}
.article-body blockquote{
  margin:28px 0;
  padding:4px 22px 4px 20px;
  background:rgba(255,255,255,0.05);
  border-left:3px solid var(--accent);
  border-radius:0 12px 12px 0;
  color:rgba(235,242,255,0.78);
}
.article-body pre{
  background:#0A1420;
  border:1px solid rgba(255,255,255,0.08);
  border-radius:14px;
  padding:20px 22px;
  overflow-x:auto;
  color:#dcebff;
  font-size:14px;
  line-height:1.75;
  margin:28px 0;
}
.article-body pre code{font-family:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;background:transparent;padding:0;border:none;}
.article-body code{
  font-family:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
  background:rgba(34,211,238,0.1);
  color:#a5f3fc;
  padding:2px 7px;
  border-radius:6px;
  font-size:0.9em;
}
.article-body table{
  display:block;
  width:100%;
  overflow-x:auto;
  border-collapse:collapse;
  margin:28px 0;
  font-size:14px;
}
.article-body th,.article-body td{
  border:1px solid rgba(255,255,255,0.1);
  padding:10px 14px;
  text-align:left;
  white-space:nowrap;
}
.article-body th{
  background:rgba(255,255,255,0.05);
  color:var(--text-primary);
  font-weight:600;
}
.article-body img{
  max-width:100%;
  height:auto;
  width:100%;
  object-fit:cover;
  aspect-ratio:16/9;
  border-radius:16px;
  margin:28px 0;
  background:rgba(255,255,255,0.04);
}

.tag-list{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  margin:34px 0 0;
  padding-top:26px;
  border-top:1px solid rgba(255,255,255,0.08);
}
.tag-title{
  color:var(--text-muted);
  font-size:13px;
  margin-right:4px;
}
.article-tag{
  display:inline-flex;
  align-items:center;
  padding:5px 12px;
  border-radius:6px;
  font-size:12px;
  border:1px solid rgba(255,255,255,0.12);
  background:rgba(255,255,255,0.04);
  color:var(--text-secondary);
  transition:border-color 0.2s,color 0.2s,background 0.2s;
}
.article-tag:hover{
  border-color:rgba(34,211,238,0.4);
  color:var(--accent);
  background:rgba(34,211,238,0.08);
}

.article-pager{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:14px;
  margin-top:34px;
}
.pager-button{
  display:flex;
  flex-direction:column;
  justify-content:center;
  gap:6px;
  min-height:88px;
  padding:18px 22px;
  border-radius:16px;
  border:1px solid rgba(255,255,255,0.1);
  background:rgba(255,255,255,0.04);
  transition:transform 0.2s,background 0.2s,border-color 0.2s,box-shadow 0.2s;
}
.pager-button:hover{
  transform:translateY(-2px);
  background:rgba(255,255,255,0.07);
  border-color:rgba(255,255,255,0.18);
  box-shadow:0 12px 32px rgba(0,0,0,0.24);
}
.pager-direction{font-size:12px;color:var(--text-muted);}
.pager-title{font-size:15px;font-weight:600;color:var(--text-secondary);}
.pager-button:hover .pager-title{color:var(--accent);}
@media(max-width:520px){
  .article-pager{gap:10px;}
  .pager-button{padding:14px 14px;min-height:76px;}
  .pager-button .pager-title{font-size:13px;}
}

.article-empty{
  display:flex;
  flex-direction:column;
  align-items:center;
  text-align:center;
  padding:56px 24px;
  background:rgba(255,255,255,0.04);
  border:1px solid var(--glass-border);
  border-radius:24px;
  backdrop-filter:blur(6px);
  -webkit-backdrop-filter:blur(6px);
}
.article-empty-icon{
  width:64px;
  height:64px;
  border-radius:50%;
  background:rgba(34,211,238,0.08);
  border:1px solid rgba(34,211,238,0.2);
  display:flex;
  align-items:center;
  justify-content:center;
  margin-bottom:22px;
}
.article-empty h1{font-size:22px;font-weight:800;color:#f2f7ff;margin:0 0 10px;}
.article-empty p{color:var(--text-secondary);font-size:15px;max-width:420px;margin:0 0 24px;line-height:1.8;}

.related-section{padding-top:86px;}
.related-heading{display:flex;align-items:flex-end;justify-content:space-between;flex-wrap:wrap;gap:16px;margin-bottom:24px;}
.related-heading h2{font-size:28px;font-weight:800;letter-spacing:-0.02em;color:#f2f7ff;margin:0;}
.related-heading a{font-size:14px;}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
@media(max-width:1023px){.related-grid{grid-template-columns:repeat(2,1fr);}}
@media(max-width:640px){.related-grid{grid-template-columns:1fr;}}
.related-card{
  position:relative;
  background:rgba(255,255,255,0.04);
  border:1px solid var(--glass-border);
  border-radius:16px;
  padding:24px;
  overflow:hidden;
  transition:transform 0.25s,border-color 0.25s,background 0.25s,box-shadow 0.25s;
}
.related-card::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,0.2),transparent);
}
.related-card:hover{
  transform:translateY(-4px);
  background:rgba(255,255,255,0.06);
  border-color:rgba(255,255,255,0.18);
  box-shadow:0 16px 42px rgba(0,0,0,0.28);
}
.related-card h3{
  font-size:17px;
  font-weight:700;
  line-height:1.55;
  color:rgba(242,247,255,0.95);
  margin:0 0 10px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  min-height:3em;
}
.related-card p{
  color:var(--text-muted);
  font-size:14px;
  line-height:1.8;
  margin:0 0 18px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.related-meta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:12px;
  color:var(--text-muted);
}
.related-meta a{
  color:var(--accent);
  display:inline-flex;
  align-items:center;
  gap:4px;
  transition:gap 0.2s,color 0.2s;
}
.related-meta a:hover{gap:8px;color:#7ee7f7;}
.related-empty{
  grid-column:1 / -1;
  padding:36px 24px;
  background:rgba(255,255,255,0.03);
  border:1px dashed rgba(255,255,255,0.12);
  border-radius:16px;
  text-align:center;
  color:var(--text-muted);
  font-size:14px;
}
.related-empty strong{display:block;color:var(--text-secondary);font-weight:600;margin-bottom:4px;}

.footer-divider-line{
  position:relative;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,0.14),transparent);
}
.footer-divider-line::after{
  content:"";
  position:absolute;
  left:50%;
  top:50%;
  transform:translate(-50%,-50%);
  width:5px;
  height:5px;
  border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 12px rgba(34,211,238,0.8);
}
.footer-tag{
  display:inline-flex;
  align-items:center;
  padding:5px 13px;
  border-radius:999px;
  font-size:12px;
  color:rgba(235,242,255,0.55);
  border:1px solid rgba(255,255,255,0.09);
  background:rgba(255,255,255,0.03);
  transition:color 0.2s,border-color 0.2s,background 0.2s;
}
.footer-tag:hover{
  color:var(--accent);
  border-color:rgba(34,211,238,0.32);
  background:rgba(34,211,238,0.06);
}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  align-items:center;
  gap:10px 22px;
  padding-top:18px;
  border-top:1px solid rgba(255,255,255,0.05);
  color:rgba(235,242,255,0.34);
  font-size:12px;
  text-align:center;
}
.footer-bottom a{color:rgba(235,242,255,0.38);transition:color 0.2s;}
.footer-bottom a:hover{color:var(--accent);}
@media(max-width:640px){
  .footer-bottom{flex-direction:column;gap:6px;}
}

@media(max-width:1023px){
  .desktop-nav{display:none;}
}

:focus-visible{outline:none;}

/* roulang page: category1 */
:root{
  --bg-base:#060B17;
  --bg-deep:#04070E;
  --bg-panel:#0A1322;
  --bg-panel-2:#0C182A;
  --glass-1:rgba(255,255,255,0.05);
  --glass-2:rgba(255,255,255,0.08);
  --glass-border:rgba(255,255,255,0.12);
  --glass-highlight:rgba(255,255,255,0.18);
  --text-main:rgba(235,242,255,0.94);
  --text-sub:rgba(235,242,255,0.7);
  --text-weak:rgba(235,242,255,0.42);
  --cyan:#22D3EE;
  --cyan-deep:#0E7490;
  --gold:#D6A94E;
  --success:#34D399;
  --warning:#FBBF24;
  --danger:#F87171;
  --radius-card:16px;
  --radius-large:24px;
  --radius-ctl:10px;
  --shadow-card:inset 0 1px 0 rgba(255,255,255,0.05),0 10px 32px rgba(0,0,0,0.4);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  background:var(--bg-base);
  color:var(--text-main);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
::selection{background:rgba(34,211,238,0.22);color:#fff;}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;}
button,input,textarea{font:inherit;}
ul,ol{list-style:none;}
.container-page{
  width:min(calc(100% - 32px),1200px);
  margin-inline:auto;
}
@media(min-width:640px){
  .container-page{width:min(calc(100% - 48px),1200px);}
}
a:focus-visible,summary:focus-visible,button:focus-visible{
  outline:3px solid rgba(34,211,238,0.25);
  outline-offset:3px;
  border-radius:8px;
}
/* ===== header ===== */
.site-header{
  transition:background 0.3s ease;
  z-index:100;
}
.glass-nav{
  background:rgba(6,11,23,0.55);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid rgba(255,255,255,0.12);
  border-radius:999px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,0.06),0 10px 32px rgba(0,0,0,0.28);
  transition:background 0.3s ease,box-shadow 0.3s ease,-webkit-backdrop-filter 0.3s ease;
  min-height:62px;
  padding:8px 8px 8px 20px;
}
.site-header.is-scrolled .glass-nav{
  background:rgba(6,11,23,0.8);
  -webkit-backdrop-filter:blur(20px);
  backdrop-filter:blur(20px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,0.08),0 16px 36px rgba(0,0,0,0.4);
}
.brand-mark{display:flex;align-items:center;gap:10px;line-height:1.2;}
.brand-mark .logo-glyph{
  width:36px;height:36px;flex:none;display:grid;place-items:center;
  border:1px solid rgba(34,211,238,0.25);
  border-radius:12px;
  background:rgba(34,211,238,0.08);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,0.04);
}
.brand-word{color:#fff;font-weight:700;font-size:16px;letter-spacing:0.01em;}
.brand-word .cyan{color:var(--cyan);}
.nav-item{
  position:relative;
  display:inline-block;
  padding:12px 18px;
  font-size:14px;
  font-weight:600;
  color:rgba(235,242,255,0.72);
  border-radius:999px;
  transition:color 0.2s ease,background 0.2s ease;
}
.nav-item:hover{color:var(--cyan);background:rgba(255,255,255,0.05);}
.nav-item.is-active{color:#8CE7F7;}
.nav-item.is-active::after{
  content:"";
  position:absolute;
  left:50%;transform:translateX(-50%);
  bottom:6px;
  width:20px;height:2px;
  background:var(--cyan);
  border-radius:2px;
  box-shadow:0 0 10px rgba(34,211,238,0.8);
}
.btn-primary,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:700;font-size:15px;line-height:1;
  border-radius:10px;
  transition:transform 0.18s ease,box-shadow 0.25s ease,filter 0.25s ease,background 0.25s ease;
}
.btn-primary{
  min-height:46px;padding:0 22px;
  background:linear-gradient(135deg,#22D3EE,#0E7490);
  color:#05121A;
  box-shadow:inset 0 0 0 1px rgba(34,211,238,0.45),0 0 24px rgba(34,211,238,0.22);
  text-shadow:0 1px 8px rgba(255,255,255,0.14);
}
.btn-primary:hover{
  filter:brightness(1.05);
  box-shadow:inset 0 0 0 1px rgba(34,211,238,0.6),0 0 32px rgba(34,211,238,0.34);
  transform:translateY(-1px);
}
.btn-primary:active{transform:scale(0.97);box-shadow:inset 0 0 0 1px rgba(34,211,238,0.45),0 0 18px rgba(34,211,238,0.18);}
.btn-ghost{
  min-height:46px;padding:0 22px;
  border:1px solid rgba(255,255,255,0.18);
  background:rgba(255,255,255,0.05);
  color:rgba(235,242,255,0.9);
}
.btn-ghost:hover{
  background:rgba(255,255,255,0.09);
  border-color:rgba(255,255,255,0.28);
  transform:translateY(-2px);
}
.btn-ghost:active{transform:scale(0.98);}
.btn-compact{min-height:42px;padding:0 20px;font-size:14px;border-radius:999px;}
.mobile-panel{
  display:none;
  background:rgba(6,11,23,0.88);
  -webkit-backdrop-filter:blur(24px);
  backdrop-filter:blur(24px);
  border:1px solid rgba(255,255,255,0.10);
  border-radius:22px;
  box-shadow:0 24px 60px rgba(0,0,0,0.5);
  max-height:540px;
  overflow-y:auto;
}
.mobile-panel.open{display:block;}
.mobile-panel .mobile-nav-link{
  display:block;
  color:rgba(235,242,255,0.86);
  font-size:18px;font-weight:600;
  padding:14px 18px;
  border-radius:14px;
}
.mobile-panel .mobile-nav-link:hover,.mobile-panel .mobile-nav-link.is-active{color:var(--cyan);background:rgba(255,255,255,0.05);}
/* ===== hero ===== */
.hero-bg-grid{
  background-image:radial-gradient(rgba(255,255,255,0.18) 1px,transparent 1px);
  background-size:22px 22px;
  mask-image:radial-gradient(ellipse at center,black,transparent 78%);
  -webkit-mask-image:radial-gradient(ellipse at center,black,transparent 78%);
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:0.16em;
  color:var(--cyan);text-transform:uppercase;
}
.eyebrow::before{
  content:"";width:22px;height:1px;
  background:linear-gradient(90deg,var(--cyan),transparent);
}
.h1-display{
  font-size:clamp(34px,4.2vw,58px);
  line-height:1.18;
  font-weight:700;
  letter-spacing:-0.02em;
  color:#F2F8FF;
  text-wrap:balance;
}
.h1-display .sub-line{
  display:block;
  margin-top:10px;
  color:rgba(233,245,255,0.66);
  font-weight:700;
  font-size:clamp(24px,2.6vw,40px);
}
.hero-lead{
  color:rgba(235,242,255,0.72);
  font-size:clamp(15px,1.08vw,17px);
  line-height:2;
  max-width:620px;
}
.hero-meta-card{
  background:rgba(255,255,255,0.045);
  border:1px solid rgba(255,255,255,0.10);
  border-radius:16px;
  box-shadow:var(--shadow-card);
  padding:18px 20px;
  transition:border-color 0.25s ease,background 0.25s ease,transform 0.25s ease;
}
.hero-meta-card:hover{
  background:rgba(255,255,255,0.07);
  border-color:rgba(255,255,255,0.18);
  transform:translateY(-3px);
}
.hero-meta-card .meta-title{font-size:13px;color:rgba(235,242,255,0.6);}
.hero-meta-card .meta-value{font-size:13px;line-height:1.7;color:rgba(235,242,255,0.92);margin-top:2px;}
/* ===== sections & cards ===== */
.section-spacing{padding:92px 0;}
@media(max-width:767px){.section-spacing{padding:60px 0;}}
.h2-title{
  font-size:clamp(24px,3vw,38px);
  line-height:1.3;
  color:#F0F7FF;
  font-weight:700;
  letter-spacing:-0.01em;
  text-wrap:balance;
}
.h3-title{font-size:clamp(17px,1.5vw,20px);line-height:1.5;color:#EAF4FF;font-weight:700;}
.body-paragraph{color:rgba(235,242,255,0.68);font-size:15px;line-height:2;}
.text-weak{color:var(--text-weak);}
.glass-card{
  background:linear-gradient(145deg,rgba(255,255,255,0.07),rgba(255,255,255,0.03));
  border:1px solid rgba(255,255,255,0.11);
  border-radius:16px;
  box-shadow:var(--shadow-card);
}
.capability-list{
  display:grid;gap:12px;
}
.capability-row{
  display:grid;grid-template-columns:52px 1fr auto;gap:12px;
  align-items:center;
  padding:18px 16px;
  background:rgba(255,255,255,0.03);
  border:1px solid rgba(255,255,255,0.075);
  border-radius:14px;
  transition:transform 0.25s ease,background 0.25s ease,border-color 0.25s ease;
}
.capability-row:hover{
  transform:translateX(4px);
  background:rgba(34,211,238,0.05);
  border-color:rgba(34,211,238,0.22);
}
.capability-row .c-index{
  font-size:13px;font-weight:800;letter-spacing:0.06em;
  color:rgba(235,242,255,0.34);
  font-variant-numeric:tabular-nums;
  width:36px;height:36px;display:grid;place-items:center;
  border-radius:10px;
  background:rgba(255,255,255,0.05);
  border:1px solid rgba(255,255,255,0.08);
}
.capability-row:hover .c-index{
  color:#082632;
  background:rgba(34,211,238,0.9);
}
.capability-row .c-copy strong{display:block;font-size:15px;font-weight:700;color:rgba(238,247,255,0.94);}
.capability-row .c-copy span{display:block;font-size:13px;color:rgba(235,242,255,0.52);line-height:1.6;}
.c-arrow{color:rgba(235,242,255,0.32);font-size:18px;transition:color 0.2s ease,transform 0.2s ease;}
.capability-row:hover .c-arrow{color:var(--cyan);transform:translateX(4px);}
/* overlay info panel */
.info-overlay{
  width:min(330px,calc(100% - 32px));
  border-radius:18px;
  border:1px solid rgba(255,255,255,0.16);
  background:rgba(8,17,31,0.86);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  box-shadow:0 18px 44px rgba(0,0,0,0.48),inset 0 1px 0 rgba(255,255,255,0.08);
  padding:20px;
}
.info-overlay .ov-label{font-size:12px;color:rgba(214,169,78,0.85);letter-spacing:0.08em;}
.info-overlay .ov-line{display:grid;grid-template-columns:62px 1fr;gap:8px;padding:10px 0;border-top:1px dashed rgba(255,255,255,0.10);}
.info-overlay .ov-line:first-of-type{border-top:0;}
.info-overlay .ov-k{font-size:12px;line-height:1.6;color:rgba(235,242,255,0.46);}
.info-overlay .ov-v{font-size:13px;line-height:1.6;color:rgba(235,242,255,0.92);}
/* topic cards */
.topic-card{
  height:100%;
  border-radius:18px;
  background:rgba(255,255,255,0.04);
  border:1px solid rgba(255,255,255,0.09);
  box-shadow:inset 0 1px 0 rgba(255,255,255,0.04),0 10px 30px rgba(0,0,0,0.28);
  overflow:hidden;
  padding:26px;
  transition:transform 0.3s ease,border-color 0.3s ease,box-shadow 0.3s ease;
}
.topic-card:hover{
  transform:translateY(-6px);
  border-color:rgba(255,255,255,0.20);
  box-shadow:inset 0 1px 0 rgba(255,255,255,0.08),0 16px 40px rgba(0,0,0,0.42);
}
.topic-card .t-indicator{
  width:38px;height:38px;border-radius:12px;
  display:grid;place-items:center;
  color:var(--cyan);
  background:rgba(34,211,238,0.10);
  border:1px solid rgba(34,211,238,0.16);
  font-size:18px;
}
.topic-card .t-tag{font-size:12px;color:var(--gold);font-weight:700;letter-spacing:0.08em;}
.topic-card .t-title{font-size:17px;line-height:1.5;font-weight:700;color:#EAF4FF;}
.topic-card .t-desc{font-size:14px;line-height:1.9;color:rgba(235,242,255,0.58);}
.topic-card .read-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:700;color:rgba(235,242,255,0.72);
  transition:color 0.2s ease,transform 0.2s ease;
}
.topic-card:hover .read-link{color:var(--cyan);transform:translateX(4px);}
/* faq */
.faq-item{
  background:rgba(255,255,255,0.035);
  border:1px solid rgba(255,255,255,0.09);
  border-radius:16px;
  overflow:hidden;
  transition:border-color 0.25s ease,background 0.25s ease;
}
.faq-item:hover{border-color:rgba(255,255,255,0.16);background:rgba(255,255,255,0.05);}
.faq-item + .faq-item{margin-top:14px;}
.faq-item summary{
  cursor:pointer;
  list-style:none;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 22px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .q-text{font-size:15px;font-weight:700;color:rgba(240,247,255,0.92);line-height:1.7;max-width:calc(100% - 50px);}
.faq-item summary::after{
  content:"+";
  flex:none;
  width:32px;height:32px;
  border-radius:50%;
  display:grid;place-items:center;
  font-size:18px;font-weight:400;
  color:var(--cyan);
  background:rgba(34,211,238,0.08);
  border:1px solid rgba(34,211,238,0.20);
  transition:transform 0.3s ease,background 0.3s ease,color 0.3s ease;
}
.faq-item[open] summary::after{
  content:"×";
  transform:rotate(180deg);
  color:#06201F;
  background:rgba(34,211,238,0.9);
  border-color:transparent;
}
.faq-answer{padding:0 22px 24px 22px;color:rgba(235,242,255,0.66);font-size:15px;line-height:1.95;}
.faq-answer strong{color:rgba(235,242,255,0.94);font-weight:700;}
/* CTA */
.cta-panel{
  background:rgba(255,255,255,0.05);
  border:1px solid rgba(255,255,255,0.12);
  border-radius:26px;
  overflow:hidden;
  box-shadow:0 30px 70px rgba(0,0,0,0.42),inset 0 1px 0 rgba(255,255,255,0.08);
}
.status-pill{
  display:inline-flex;align-items:center;gap:10px;
  border-radius:999px;
  padding:8px 16px;
  font-size:12px;
  color:rgba(235,242,255,0.82);
  background:rgba(255,255,255,0.05);
  border:1px solid rgba(255,255,255,0.14);
}
.status-pill .dot{
  width:8px;height:8px;border-radius:50%;
  background:var(--cyan);
  box-shadow:0 0 0 4px rgba(34,211,238,0.12),0 0 10px rgba(34,211,238,0.9);
  animation:pillPulse 2s infinite;
}
@keyframes pillPulse{
  0%,100%{box-shadow:0 0 0 4px rgba(34,211,238,0.10),0 0 10px rgba(34,211,238,0.75);}
  50%{box-shadow:0 0 0 7px rgba(34,211,238,0.06),0 0 16px rgba(34,211,238,0.95);}
}
/* footer */
.footer-divider-line{
  height:1px;
  background:rgba(255,255,255,0.06);
  position:relative;
}
.footer-divider-line::after{
  content:"";
  position:absolute;
  top:-3px;left:50%;
  width:7px;height:7px;
  background:var(--cyan);
  border-radius:50%;
  box-shadow:0 0 12px rgba(34,211,238,0.9);
  transform:translateX(-50%);
}
.footer-tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 12px;
  border-radius:8px;
  background:rgba(255,255,255,0.045);
  border:1px solid rgba(255,255,255,0.08);
  color:rgba(235,242,255,0.55);
  font-size:12px;
  transition:color 0.2s,border-color 0.2s,background 0.2s;
}
.footer-tag:hover{color:var(--cyan);border-color:rgba(34,211,238,0.3);background:rgba(34,211,238,0.06);}
/* responsive micro */
@media(max-width:640px){
  .btn-primary,.btn-ghost{width:100%;}
  .capability-row{grid-template-columns:36px 1fr;padding:14px 12px;}
  .capability-row .c-arrow{display:none;}
  .info-overlay{position:static !important;margin-top:16px;width:100%;}
  .topic-card{padding:20px;}
  .faq-item summary .q-text{font-size:14px;}
}
@media(min-width:641px) and (max-width:1023px){
  .btn-primary,.btn-ghost{width:auto;}
}

/* roulang page: category2 */
:root {
      --bg: #060B17;
      --bg2: #0A1322;
      --bg3: #0C182A;
      --surface: rgba(255, 255, 255, 0.05);
      --surface2: rgba(255, 255, 255, 0.08);
      --border: rgba(255, 255, 255, 0.12);
      --edge: rgba(255, 255, 255, 0.18);
      --text: rgba(235, 242, 255, 0.94);
      --text2: rgba(235, 242, 255, 0.7);
      --text3: rgba(235, 242, 255, 0.42);
      --cyan: #22D3EE;
      --cyan-deep: #0E7A9E;
      --gold: #D6A94E;
      --success: #34D399;
      --warning: #FBBF24;
      --danger: #F87171;
      --radius: 16px;
      --radius-lg: 24px;
      --shadow-card: 0 1px 0 rgba(255, 255, 255, 0.05) inset, 0 10px 32px rgba(0, 0, 0, 0.4);
      --shadow-card-hover: 0 14px 40px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.14);
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      background:
        radial-gradient(circle at 15% 10%, rgba(34, 211, 238, 0.07), transparent 32%),
        radial-gradient(circle at 88% 16%, rgba(14, 122, 158, 0.08), transparent 32%),
        var(--bg);
      color: var(--text);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
      line-height: 1.8;
      -webkit-font-smoothing: antialiased;
      text-rendering: optimizeLegibility;
    }

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

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

    button,
    input {
      font: inherit;
    }

    ::selection {
      background: rgba(34, 211, 238, 0.22);
      color: #fff;
    }

    :focus-visible {
      outline: none;
      box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.35), 0 0 0 6px rgba(34, 211, 238, 0.08);
      border-radius: 8px;
    }

    .skip-link {
      position: fixed;
      left: -9999px;
      top: 16px;
      z-index: 99;
      background: #0A1322;
      color: #fff;
      padding: 10px 18px;
      border-radius: 10px;
      border: 1px solid rgba(34, 211, 238, 0.3);
    }

    .skip-link:focus {
      left: 16px;
    }

    .container-page {
      width: 100%;
      max-width: 1200px;
      margin: 0 auto;
      padding-left: 24px;
      padding-right: 24px;
    }

    .nav-outer {
      width: 100%;
      max-width: 1320px;
      margin: 0 auto;
    }

    .nav-shell {
      position: relative;
      display: flex;
      align-items: center;
      justify-content: space-between;
      min-height: 62px;
      border-radius: 999px;
      padding-left: 14px;
      padding-right: 14px;
      background: rgba(6, 11, 23, 0.4);
      -webkit-backdrop-filter: blur(8px);
      backdrop-filter: blur(8px);
      border: 1px solid rgba(255, 255, 255, 0.08);
      box-shadow: 0 10px 32px rgba(0, 0, 0, 0.25);
      transition: background 0.35s ease, -webkit-backdrop-filter 0.35s ease, border-color 0.35s ease;
    }

    .nav-shell.scrolled {
      background: rgba(6, 11, 23, 0.78);
      -webkit-backdrop-filter: blur(20px);
      backdrop-filter: blur(20px);
      border-color: rgba(255, 255, 255, 0.1);
      box-shadow: 0 12px 36px rgba(0, 0, 0, 0.4);
    }

    .nav-item {
      position: relative;
      display: inline-flex;
      align-items: center;
      padding: 9px 15px;
      border-radius: 10px;
      font-size: 14px;
      color: rgba(235, 242, 255, 0.62);
      letter-spacing: 0.01em;
      transition: color 0.2s ease, background 0.2s ease;
      white-space: nowrap;
    }

    .nav-item:hover {
      color: rgba(235, 242, 255, 0.95);
      background: rgba(255, 255, 255, 0.04);
    }

    .nav-item.is-active {
      color: var(--cyan);
      font-weight: 600;
    }

    .nav-item.is-active::after {
      content: "";
      position: absolute;
      bottom: 3px;
      left: 50%;
      width: 20px;
      height: 2px;
      transform: translateX(-50%);
      border-radius: 2px;
      background: var(--cyan);
      box-shadow: 0 0 8px rgba(34, 211, 238, 0.6);
    }

    .mobile-drawer {
      position: fixed;
      top: 86px;
      left: 16px;
      right: 16px;
      z-index: 55;
      padding: 22px 18px 18px;
      border-radius: 22px;
      background: rgba(6, 11, 23, 0.92);
      -webkit-backdrop-filter: blur(22px);
      backdrop-filter: blur(22px);
      border: 1px solid rgba(255, 255, 255, 0.12);
      box-shadow: 0 24px 64px rgba(0, 0, 0, 0.55);
      display: none;
    }

    .mobile-drawer.open {
      display: block;
    }

    .mobile-drawer a {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 12px 14px;
      border-radius: 12px;
      font-size: 17px;
      font-weight: 500;
      color: rgba(235, 242, 255, 0.72);
      transition: background 0.2s ease, color 0.2s ease;
    }

    .mobile-drawer a:hover {
      background: rgba(255, 255, 255, 0.06);
      color: #fff;
    }

    .mobile-drawer a.is-active {
      color: var(--cyan);
      background: rgba(34, 211, 238, 0.08);
    }

    .mobile-drawer a.is-active::before {
      content: "";
      display: block;
      width: 6px;
      height: 6px;
      flex: 0 0 auto;
      border-radius: 50%;
      background: var(--cyan);
      box-shadow: 0 0 8px rgba(34, 211, 238, 0.6);
    }

    .mobile-menu-btn {
      display: inline-flex;
      width: 40px;
      height: 40px;
      align-items: center;
      justify-content: center;
      flex-direction: column;
      border-radius: 12px;
      border: 1px solid rgba(255, 255, 255, 0.1);
      background: rgba(255, 255, 255, 0.04);
      gap: 5px;
    }

    .mobile-menu-btn span {
      display: block;
      width: 18px;
      height: 2px;
      border-radius: 4px;
      background: rgba(235, 242, 255, 0.85);
      transition: transform 0.25s ease, opacity 0.2s ease;
    }

    .mobile-menu-btn[aria-expanded="true"] span:nth-child(1) {
      transform: translateY(7px) rotate(45deg);
    }

    .mobile-menu-btn[aria-expanded="true"] span:nth-child(2) {
      opacity: 0;
    }

    .mobile-menu-btn[aria-expanded="true"] span:nth-child(3) {
      transform: translateY(-7px) rotate(-45deg);
    }

    .btn-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 44px;
      padding: 0 22px;
      border-radius: 10px;
      background: linear-gradient(135deg, #22D3EE, #0E7490);
      color: #05131F;
      border: 0;
      font-weight: 700;
      font-size: 14px;
      letter-spacing: 0.02em;
      box-shadow: inset 0 0 0 1px rgba(34, 211, 238, 0.4), 0 0 24px rgba(34, 211, 238, 0.25);
      text-shadow: 0 1px rgba(255, 255, 255, 0.18);
      transition: filter 0.2s ease, box-shadow 0.2s ease, transform 0.15s ease;
    }

    .btn-primary:hover {
      filter: brightness(1.06);
      box-shadow: inset 0 0 0 1px rgba(34, 211, 238, 0.5), 0 0 32px rgba(34, 211, 238, 0.35);
    }

    .btn-primary:active {
      transform: scale(0.97);
      box-shadow: inset 0 0 0 1px rgba(34, 211, 238, 0.35), 0 0 18px rgba(34, 211, 238, 0.2);
    }

    .btn-secondary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 44px;
      padding: 0 22px;
      border-radius: 10px;
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.18);
      color: rgba(235, 242, 255, 0.85);
      font-size: 14px;
      font-weight: 500;
      box-shadow: inset 0 0 0 rgba(255, 255, 255, 0.06);
      transition: background 0.2s ease, transform 0.2s ease, border-color 0.2s ease;
    }

    .btn-secondary:hover {
      background: rgba(255, 255, 255, 0.1);
      border-color: rgba(255, 255, 255, 0.3);
      transform: translateY(-2px);
    }

    .btn-secondary:active {
      transform: scale(0.97) translateY(0);
    }

    .hero-tag,
    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      border-radius: 999px;
      padding: 7px 13px;
      font-size: 12px;
      letter-spacing: 0.08em;
      color: rgba(235, 242, 255, 0.6);
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid rgba(255, 255, 255, 0.08);
    }

    .eyebrow::before {
      content: "";
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--cyan);
      box-shadow: 0 0 8px rgba(34, 211, 238, 0.7);
    }

    .glass-card {
      background: linear-gradient(135deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.03));
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-card);
      position: relative;
      backdrop-filter: blur(8px);
    }

    .glass-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 24px;
      right: 24px;
      height: 1px;
      background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.25), transparent);
      pointer-events: none;
    }

    .card-lift {
      transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    }

    .card-lift:hover {
      transform: translateY(-6px);
      border-color: rgba(255, 255, 255, 0.2);
      box-shadow: var(--shadow-card-hover);
    }

    .tag-chip {
      display: inline-flex;
      align-items: center;
      padding: 5px 11px;
      border-radius: 999px;
      font-size: 12px;
      background: rgba(34, 211, 238, 0.08);
      border: 1px solid rgba(34, 211, 238, 0.14);
      color: rgba(235, 242, 255, 0.75);
      transition: border-color 0.2s ease, color 0.2s ease;
    }

    .tag-chip:hover {
      border-color: rgba(34, 211, 238, 0.4);
      color: var(--cyan);
    }

    .gold-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      flex: 0 0 auto;
      background: var(--gold);
      box-shadow: 0 0 0 5px rgba(214, 169, 78, 0.1), 0 0 12px rgba(214, 169, 78, 0.35);
    }

    .cta-panel {
      background:
        radial-gradient(circle at 20% 30%, rgba(34, 211, 238, 0.13), transparent 28%),
        radial-gradient(circle at 90% 85%, rgba(214, 169, 78, 0.08), transparent 26%),
        rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.14);
      border-radius: 28px;
      box-shadow: var(--shadow-card);
      position: relative;
      overflow: hidden;
    }

    .cta-panel::before {
      content: "";
      position: absolute;
      inset: 0;
      background-image: url("/assets/images/backpic/back-3.png");
      background-size: cover;
      background-position: center;
      opacity: 0.15;
      pointer-events: none;
    }

    .cta-glow {
      width: 220px;
      height: 220px;
      border-radius: 50%;
      background: rgba(34, 211, 238, 0.2);
      filter: blur(68px);
      position: absolute;
      right: 10%;
      top: -80px;
      pointer-events: none;
    }

    .faq-item {
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: 16px;
      background: rgba(255, 255, 255, 0.04);
      margin-bottom: 12px;
      transition: background 0.2s ease, border-color 0.2s ease;
      overflow: hidden;
    }

    .faq-item:hover {
      border-color: rgba(255, 255, 255, 0.18);
    }

    .faq-item[open] {
      border-color: rgba(34, 211, 238, 0.28);
      background: rgba(255, 255, 255, 0.055);
    }

    .faq-item summary {
      display: flex;
      align-items: center;
      gap: 14px;
      list-style: none;
      cursor: pointer;
      padding: 20px 22px;
      font-weight: 600;
      font-size: 15px;
      color: rgba(235, 242, 255, 0.9);
      transition: color 0.2s ease;
    }

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

    .faq-item summary:hover {
      color: #fff;
    }

    .faq-icon {
      width: 28px;
      height: 28px;
      border-radius: 50%;
      flex: 0 0 auto;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 16px;
      font-weight: 700;
      color: var(--gold);
      border: 1px solid rgba(214, 169, 78, 0.35);
      background: rgba(214, 169, 78, 0.12);
      box-shadow: 0 0 0 4px rgba(214, 169, 78, 0.04);
      transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.25s ease, box-shadow 0.25s ease;
    }

    .faq-item[open] summary .faq-icon {
      transform: rotate(135deg);
      border-color: rgba(34, 211, 238, 0.3);
      color: var(--cyan);
      box-shadow: 0 0 0 4px rgba(34, 211, 238, 0.06);
    }

    .faq-answer {
      padding: 0 22px 22px 64px;
      font-size: 15px;
      line-height: 1.9;
      color: rgba(235, 242, 255, 0.68);
    }

    .faq-answer p {
      margin: 0 0 12px;
    }

    .footer-divider-line {
      position: relative;
      height: 1px;
      background: linear-gradient(90deg, transparent, rgba(34, 211, 238, 0.2) 30%, rgba(255, 255, 255, 0.2) 50%, rgba(34, 211, 238, 0.2) 70%, transparent);
    }

    .footer-tag {
      display: inline-flex;
      align-items: center;
      padding: 5px 12px;
      border-radius: 999px;
      font-size: 12px;
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid rgba(255, 255, 255, 0.07);
      color: rgba(235, 242, 255, 0.48);
      transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
    }

    .footer-tag:hover {
      border-color: rgba(34, 211, 238, 0.35);
      color: var(--cyan);
      background: rgba(34, 211, 238, 0.06);
    }

    .cat-hero {
      position: relative;
      min-height: 700px;
      display: flex;
      align-items: center;
      padding-top: 158px;
      padding-bottom: 130px;
      overflow: hidden;
      background-color: #060B17;
    }

    .cat-hero .hero-bg {
      position: absolute;
      inset: 0;
      background-image:
        linear-gradient(90deg, rgba(6, 11, 23, 0.94) 0%, rgba(6, 11, 23, 0.72) 45%, rgba(6, 11, 23, 0.46) 100%),
        url("/assets/images/backpic/back-2.png");
      background-size: cover;
      background-position: 70% center;
      opacity: 0.95;
    }

    .cat-hero::after {
      content: "";
      position: absolute;
      inset: 0;
      background-image:
        radial-gradient(circle at 18% 55%, rgba(34, 211, 238, 0.06), transparent 30%),
        linear-gradient(rgba(255, 255, 255, 0.012) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.012) 1px, transparent 1px);
      background-size: auto, 42px 42px, 42px 42px;
      mask-image: radial-gradient(circle at 50% 30%, rgba(0, 0, 0, 0.8), transparent 85%);
      pointer-events: none;
    }

    .hero-breadcrumb {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      border-radius: 999px;
      padding: 6px 13px;
      background: rgba(0, 0, 0, 0.28);
      border: 1px solid rgba(255, 255, 255, 0.08);
      font-size: 13px;
      color: rgba(235, 242, 255, 0.45);
    }

    .status-panel {
      position: relative;
      padding: 28px;
      border-radius: 24px;
      background: linear-gradient(150deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.025));
      border: 1px solid rgba(255, 255, 255, 0.13);
      box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45), 0 1px 0 rgba(255, 255, 255, 0.1) inset;
      backdrop-filter: blur(12px);
      overflow: hidden;
    }

    .status-panel::before {
      content: "";
      position: absolute;
      top: 0;
      left: 50%;
      transform: translateX(-50%);
      width: 60%;
      height: 1px;
      background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    }

    .status-line {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      padding: 14px 0;
      border-bottom: 1px dashed rgba(255, 255, 255, 0.1);
    }

    .status-line .label {
      width: 80px;
      flex: 0 0 auto;
      font-size: 13px;
      color: rgba(235, 242, 255, 0.46);
      padding-top: 2px;
    }

    .status-line .value {
      font-size: 14px;
      font-weight: 600;
      color: rgba(235, 242, 255, 0.9);
      letter-spacing: 0.01em;
    }

    .status-line .help {
      display: block;
      margin-top: 2px;
      font-size: 12px;
      font-weight: 400;
      color: rgba(235, 242, 255, 0.4);
    }

    .section-pad {
      padding-top: 84px;
      padding-bottom: 84px;
    }

    .workflow-card {
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid rgba(255, 255, 255, 0.09);
      border-radius: 20px;
      padding: 22px 18px 18px;
      position: relative;
      transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease;
    }

    .workflow-card:hover {
      transform: translateY(-5px);
      border-color: rgba(34, 211, 238, 0.24);
      background: rgba(255, 255, 255, 0.06);
    }

    .workflow-num {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 34px;
      height: 34px;
      border-radius: 999px;
      margin-bottom: 14px;
      font-size: 13px;
      font-weight: 700;
      color: var(--gold);
      background: rgba(214, 169, 78, 0.1);
      border: 1px solid rgba(214, 169, 78, 0.3);
      box-shadow: 0 0 0 6px rgba(214, 169, 78, 0.04);
    }

    .section-lead {
      color: var(--text2);
      font-size: 16px;
      line-height: 1.9;
    }

    .subtle-note {
      font-size: 12px;
      color: rgba(235, 242, 255, 0.36);
      border-top: 1px dashed rgba(255, 255, 255, 0.08);
      padding-top: 14px;
    }

    .ref-arrow {
      transition: transform 0.2s ease;
    }

    a:hover .ref-arrow {
      transform: translateX(4px);
    }

    .cross-card-img {
      position: relative;
      border-radius: 18px;
      overflow: hidden;
    }

    .cross-card-img::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(6, 11, 23, 0), rgba(6, 11, 23, 0.35));
      pointer-events: none;
    }

    @media (max-width: 640px) {
      .container-page {
        padding-left: 16px;
        padding-right: 16px;
      }

      .cat-hero {
        min-height: auto;
        padding-top: 132px;
        padding-bottom: 76px;
      }

      .status-panel {
        padding: 20px;
        margin-top: 18px;
      }

      .section-pad {
        padding-top: 60px;
        padding-bottom: 60px;
      }

      .faq-answer {
        padding: 0 16px 18px 48px;
        font-size: 14px;
      }

      .faq-item summary {
        padding: 16px 16px;
        font-size: 14px;
        align-items: flex-start;
      }

      .faq-icon {
        width: 24px;
        height: 24px;
        margin-top: 1px;
        font-size: 14px;
      }
    }

    @media (min-width: 640px) and (max-width: 1023px) {
      .cat-hero {
        padding-bottom: 100px;
      }
    }