/* HTX home SEO editorial block — prefix r4e8n2oa | light editorial skin */

.page-viewport-fill + .r4e8n2oa__root.index-seo-section,
.auth-shell-viewport + .r4e8n2oa__root {
  flex: 0 0 auto;
  width: 100%;
  margin: 0;
  padding: 0;
}

.r4e8n2oa__root {
  --rx-bg0: #fafbfe;
  --rx-bg1: #f3f7fc;
  --rx-bg2: #e8eef6;
  --rx-accent: #0066ff;
  --rx-accent-2: #00a3ff;
  --rx-accent-soft: rgba(0, 102, 255, 0.09);
  --rx-accent-glow: rgba(0, 102, 255, 0.14);
  --rx-text: #0f172a;
  --rx-muted: #64748b;
  --rx-border: rgba(15, 23, 42, 0.09);
  --rx-radius: 16px;
  --rx-media-w: min(100%, 500px);
  --rx-media-h: 500px;
  --rx-media-size: 500px;
  --rx-font: "Inter", "Segoe UI", system-ui, sans-serif;
  position: relative;
  isolation: isolate;
  background:
    radial-gradient(ellipse 90% 55% at 50% -8%, rgba(0, 102, 255, 0.1), transparent 58%),
    linear-gradient(180deg, var(--rx-bg0) 0%, var(--rx-bg1) 48%, #e9f0f8 100%);
  color: var(--rx-text);
  font-family: var(--rx-font);
  font-size: 1rem;
  line-height: 1.72;
  text-align: start;
  border-top: 3px solid var(--rx-accent);
}

.r4e8n2oa__root::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.35;
  background-image: radial-gradient(rgba(0, 102, 255, 0.11) 1px, transparent 1px);
  background-size: 22px 22px;
  mask-image: linear-gradient(180deg, #000 0%, transparent 92%);
}

.r4e8n2oa__shell {
  position: relative;
  z-index: 1;
  max-width: 1120px;
  margin-inline: auto;
  padding: clamp(2rem, 5vw, 3.5rem) clamp(1.15rem, 4vw, 2rem) clamp(2.5rem, 6vw, 4rem);
}

.r4e8n2oa__hero {
  position: relative;
  margin-bottom: clamp(1.75rem, 4vw, 2.75rem);
  padding: clamp(1.35rem, 3vw, 2rem);
  border-radius: calc(var(--rx-radius) + 6px);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.96) 0%, rgba(255, 255, 255, 0.88) 100%);
  border: 1px solid rgba(0, 102, 255, 0.14);
  box-shadow:
    0 12px 40px rgba(0, 66, 153, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
  overflow: hidden;
}

.r4e8n2oa__hero::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 5px;
  background: linear-gradient(180deg, var(--rx-accent), var(--rx-accent-2));
  pointer-events: none;
}

.r4e8n2oa__hero::after {
  content: "";
  position: absolute;
  inset: -30% -10% auto auto;
  width: min(420px, 55vw);
  height: min(420px, 55vw);
  background: radial-gradient(circle, var(--rx-accent-glow) 0%, transparent 68%);
  opacity: 0.55;
  pointer-events: none;
}

.r4e8n2oa__hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 220px) minmax(0, 1fr);
  gap: clamp(1rem, 3vw, 2rem);
  align-items: start;
}

@media (max-width: 720px) {
  .r4e8n2oa__hero-grid {
    grid-template-columns: 1fr;
  }
}

.r4e8n2oa__hero-meta {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.r4e8n2oa__eyebrow {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  padding: 0.32rem 0.7rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--rx-accent-soft), rgba(0, 163, 255, 0.12));
  color: var(--rx-accent);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 1px solid rgba(0, 102, 255, 0.18);
}

.r4e8n2oa__byline {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--rx-muted);
}

.r4e8n2oa__byline time {
  color: var(--rx-text);
}

.r4e8n2oa__title {
  margin: 0 0 0.85rem;
  font-size: clamp(1.65rem, 3.8vw, 2.35rem);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.2;
  color: var(--rx-text);
}

.r4e8n2oa__lead {
  margin: 0;
  font-size: clamp(1rem, 2vw, 1.0625rem);
  color: #334155;
  max-width: 62ch;
}

.r4e8n2oa__hero-panels {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin-top: 1.35rem;
}

.r4e8n2oa__share,
.r4e8n2oa__social-official {
  padding: 0.85rem 1rem;
  border-radius: var(--rx-radius);
  background: rgba(255, 255, 255, 0.75);
  border: 1px dashed rgba(0, 102, 255, 0.2);
}

.r4e8n2oa__share-title,
.r4e8n2oa__social-official-title {
  margin: 0 0 0.45rem;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--rx-accent);
  text-transform: uppercase;
  letter-spacing: 0.07em;
}

.r4e8n2oa__social-official-note {
  margin: 0 0 0.55rem;
  font-size: 0.8125rem;
  color: var(--rx-muted);
  line-height: 1.5;
}

.r4e8n2oa__share-list,
.r4e8n2oa__social-official-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 0.65rem;
  list-style: none;
  margin: 0;
  padding: 0;
  justify-content: flex-start;
}

.r4e8n2oa__share-link,
.r4e8n2oa__social-official-link {
  display: inline-flex;
  padding: 0.35rem 0.65rem;
  border-radius: 8px;
  background: var(--rx-bg2);
  color: var(--rx-text);
  font-size: 0.8125rem;
  font-weight: 500;
  text-decoration: none;
  transition: background 0.15s, color 0.15s, transform 0.12s;
}

.r4e8n2oa__share-link:hover,
.r4e8n2oa__social-official-link:hover {
  background: var(--rx-accent-soft);
  color: var(--rx-accent);
  transform: translateY(-1px);
}

.r4e8n2oa__toc-wrap {
  margin-bottom: clamp(1.5rem, 3vw, 2rem);
  padding: 1rem 1.15rem 1.1rem;
  border-radius: calc(var(--rx-radius) + 2px);
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(0, 102, 255, 0.12);
  box-shadow: 0 6px 20px rgba(0, 66, 153, 0.05);
}

.r4e8n2oa__toc-label {
  margin: 0 0 0.65rem;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--rx-accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.r4e8n2oa__toc-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
  justify-content: center;
}

.r4e8n2oa__toc-pills a {
  display: inline-flex;
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  border: 1px solid rgba(0, 102, 255, 0.16);
  background: #fff;
  color: var(--rx-text);
  font-size: 0.8125rem;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 0.15s, background 0.15s, color 0.15s, box-shadow 0.15s;
}

.r4e8n2oa__toc-pills a:hover {
  border-color: rgba(0, 102, 255, 0.4);
  background: var(--rx-accent-soft);
  color: var(--rx-accent);
  box-shadow: 0 4px 12px rgba(0, 102, 255, 0.12);
}

.r4e8n2oa__stream {
  display: flex;
  flex-direction: column;
  gap: clamp(1.35rem, 3vw, 1.85rem);
}

.r4e8n2oa__section {
  padding: clamp(1.25rem, 3vw, 1.85rem);
  border-radius: calc(var(--rx-radius) + 4px);
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(0, 102, 255, 0.1);
  box-shadow: 0 8px 28px rgba(15, 23, 42, 0.05);
  backdrop-filter: blur(4px);
}

.r4e8n2oa__h2 {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin: 0 0 0.95rem;
  padding-bottom: 0.7rem;
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
  font-weight: 800;
  color: var(--rx-text);
  letter-spacing: -0.025em;
  line-height: 1.28;
  border-bottom: 2px solid rgba(0, 102, 255, 0.1);
}

.r4e8n2oa__h2::before {
  content: "";
  flex-shrink: 0;
  width: 4px;
  height: 1.1em;
  border-radius: 4px;
  background: linear-gradient(180deg, var(--rx-accent), var(--rx-accent-2));
}

.r4e8n2oa__h3 {
  margin: 1.25rem 0 0.55rem;
  font-size: 1.0625rem;
  font-weight: 700;
  color: #1e293b;
}

.r4e8n2oa__symptom-card .r4e8n2oa__symptom-title {
  margin: 0 0 0.45rem;
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--rx-text);
  line-height: 1.4;
}

.r4e8n2oa__faq-q {
  display: block;
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--rx-text);
  line-height: 1.4;
}

.r4e8n2oa__outbound-note {
  margin: 0 0 0.45rem;
  font-size: 0.8125rem;
  color: var(--rx-muted);
}

.r4e8n2oa__h4 {
  margin: 0;
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--rx-text);
  line-height: 1.4;
}

.r4e8n2oa__h5,
.r4e8n2oa__h6 {
  margin: 1rem 0 0.45rem;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--rx-muted);
}

.r4e8n2oa__section p {
  margin: 0 0 0.85rem;
  color: #475569;
}

.r4e8n2oa__section a {
  color: var(--rx-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
  text-decoration-color: rgba(0, 102, 255, 0.35);
}

.r4e8n2oa__section a:hover {
  color: #0052cc;
  text-decoration-color: #0052cc;
}

/* ——— Uniform centered media ——— */
.r4e8n2oa__media {
  width: var(--rx-media-w);
  max-width: 100%;
  margin: 1.35rem auto;
  border-radius: calc(var(--rx-radius) + 2px);
  overflow: hidden;
  border: 1px solid rgba(0, 102, 255, 0.14);
  background: #fff;
  box-shadow:
    0 10px 32px rgba(0, 66, 153, 0.08),
    inset 0 0 0 1px rgba(255, 255, 255, 0.6);
}

.r4e8n2oa__media--a,
.r4e8n2oa__media--b,
.r4e8n2oa__media--c,
.r4e8n2oa__media--d {
  width: var(--rx-media-w);
  max-width: 100%;
  margin-inline: auto;
}

.r4e8n2oa__media-frame {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: var(--rx-media-h);
  max-width: var(--rx-media-size);
  max-height: var(--rx-media-size);
  aspect-ratio: 1 / 1;
  padding: 0.5rem;
  line-height: 0;
  background:
    linear-gradient(145deg, #f8fafc 0%, #eef3fa 50%, #f8fafc 100%);
  box-sizing: border-box;
}

.r4e8n2oa__media-frame picture {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  max-width: 100%;
}

.r4e8n2oa__media-frame img {
  display: block;
  width: auto;
  height: auto;
  max-width: calc(var(--rx-media-size) - 1rem);
  max-height: calc(var(--rx-media-size) - 1rem);
  margin-inline: auto;
  object-fit: contain;
  object-position: center center;
}

.r4e8n2oa__media-cap {
  padding: 0.75rem 1rem;
  font-size: 0.8125rem;
  line-height: 1.55;
  color: var(--rx-muted);
  text-align: center;
  border-top: 1px solid rgba(0, 102, 255, 0.1);
  background: linear-gradient(180deg, #fff, #f8fafc);
}

@media (max-width: 540px) {
  .r4e8n2oa__root {
    --rx-media-size: min(calc(100vw - 2.5rem), 500px);
    --rx-media-h: var(--rx-media-size);
    --rx-media-w: var(--rx-media-size);
  }
}

.r4e8n2oa__symptom-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 0.85rem;
  margin: 1rem 0;
}

.r4e8n2oa__symptom-card {
  padding: 1rem 1.05rem;
  border-radius: 14px;
  background: linear-gradient(180deg, #fff 0%, #f8fafc 100%);
  border: 1px solid rgba(0, 102, 255, 0.12);
  box-shadow: 0 2px 10px rgba(15, 23, 42, 0.04);
  transition: border-color 0.15s, transform 0.12s;
}

.r4e8n2oa__symptom-card:hover {
  border-color: rgba(0, 102, 255, 0.28);
  transform: translateY(-2px);
}

.r4e8n2oa__symptom-card p {
  margin: 0.45rem 0 0;
  font-size: 0.875rem;
  color: var(--rx-muted);
}

.r4e8n2oa__feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 0.65rem;
  margin: 1rem 0 0;
  list-style: none;
  padding: 0;
}

.r4e8n2oa__feature-grid li {
  padding: 0.75rem 0.85rem;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(0, 102, 255, 0.07), rgba(0, 163, 255, 0.05));
  border: 1px solid rgba(0, 102, 255, 0.16);
  font-size: 0.875rem;
  font-weight: 500;
  color: #1e3a5f;
}

.r4e8n2oa__quote-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 0.85rem;
  margin-top: 1rem;
}

.r4e8n2oa__quote-card {
  margin: 0;
  padding: 1rem 1.05rem 1.05rem;
  border-radius: 14px;
  background: #fff;
  border: 1px solid rgba(0, 102, 255, 0.12);
  font-size: 0.9375rem;
  color: #475569;
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.04);
  position: relative;
}

.r4e8n2oa__quote-card::before {
  content: "\201C";
  position: absolute;
  top: 0.35rem;
  inset-inline-start: 0.65rem;
  font-size: 2rem;
  line-height: 1;
  color: rgba(0, 102, 255, 0.22);
  font-family: Georgia, "Times New Roman", serif;
}

.r4e8n2oa__quote-card p {
  margin: 0;
  padding-inline-start: 1.15rem;
}

.r4e8n2oa__quote-card cite {
  display: block;
  margin-top: 0.65rem;
  padding-inline-start: 1.15rem;
  font-size: 0.8125rem;
  font-style: normal;
  font-weight: 600;
  color: var(--rx-muted);
}

.r4e8n2oa__quote-card:nth-child(3n + 2) {
  border-color: rgba(0, 102, 255, 0.22);
  background: linear-gradient(165deg, #fff 0%, rgba(0, 102, 255, 0.06) 100%);
}

.r4e8n2oa__faq-board {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.55rem;
  margin-top: 0.85rem;
}

@media (min-width: 768px) {
  .r4e8n2oa__faq-board {
    grid-template-columns: 1fr 1fr;
    gap: 0.65rem 0.85rem;
  }
}

.r4e8n2oa__faq-item {
  border-radius: 12px;
  border: 1px solid rgba(0, 102, 255, 0.12);
  background: #fff;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.03);
  transition: border-color 0.15s;
}

.r4e8n2oa__faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 0.85rem 1rem;
}

.r4e8n2oa__faq-item summary::-webkit-details-marker {
  display: none;
}

.r4e8n2oa__faq-item[open] {
  border-color: rgba(0, 102, 255, 0.32);
  background: linear-gradient(180deg, #fff 0%, rgba(0, 102, 255, 0.06) 100%);
}

.r4e8n2oa__faq-item p {
  margin: 0;
  padding: 0 1rem 0.85rem;
  font-size: 0.875rem;
  color: var(--rx-muted);
}

.r4e8n2oa__outbound {
  margin: 0.65rem 0 0;
  padding-inline-start: 1.15rem;
  color: var(--rx-muted);
}

.r4e8n2oa__footer {
  margin-top: clamp(2rem, 4vw, 3rem);
  padding: 1.35rem 1.15rem;
  border-radius: calc(var(--rx-radius) + 2px);
  border-top: none;
  background: rgba(255, 255, 255, 0.65);
  border: 1px solid rgba(0, 102, 255, 0.1);
}

.r4e8n2oa__root .r4e8n2oa__nap {
  margin-bottom: 1rem;
  padding: 1rem;
  border-radius: var(--rx-radius);
  background: #fff;
  border: 1px dashed rgba(0, 102, 255, 0.18);
  font-size: 0.875rem;
  color: var(--rx-muted);
}

.r4e8n2oa__root .r4e8n2oa__nap a {
  color: var(--rx-accent);
}

.r4e8n2oa__support-hint {
  margin: 0 0 0.65rem;
  font-size: 0.8125rem;
  color: var(--rx-muted);
}

.r4e8n2oa__copy {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--rx-muted);
}