.tosx-page {
  --tosx-bg: #f5f7fc;
  --tosx-card: #ffffff;
  --tosx-text: #111827;
  --tosx-muted: #4b5563;
  --tosx-border: #d9e2f0;
  --tosx-accent: #176b92;
  --tosx-accent-soft: #e6f3f8;
  --tosx-accent-2: #f59a44;
  --tosx-shadow: 0 10px 32px rgba(17, 24, 39, 0.08);
  background:
    radial-gradient(circle at 0 0, rgba(23, 107, 146, 0.1), transparent 42%),
    radial-gradient(circle at 100% 0, rgba(245, 154, 68, 0.12), transparent 30%),
    var(--tosx-bg);
  color: var(--tosx-text);
  padding: 1.2rem 0.75rem 2.6rem;
}

.tosx-page__shell {
  max-width: 1140px;
  margin: 0 auto;
}

.tosx-page__hero {
  background: var(--tosx-card);
  border: 1px solid var(--tosx-border);
  border-radius: 18px;
  box-shadow: var(--tosx-shadow);
  padding: 1.15rem 1rem 1.15rem;
  margin-bottom: 0.95rem;
}

.tosx-page__eyebrow {
  margin: 0 0 0.35rem;
  color: var(--tosx-accent);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.tosx-page h1 {
  margin: 0;
  line-height: 1.2;
  font-size: clamp(1.62rem, 4.8vw, 2.42rem);
}

.tosx-page__lead {
  margin: 0.76rem 0 0;
  color: var(--tosx-muted);
  max-width: 74ch;
  font-size: 1rem;
  line-height: 1.65;
}

.tosx-page__meta {
  margin: 0.82rem 0 0;
  font-size: 0.94rem;
  line-height: 1.6;
}

.tosx-page__promise {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.8rem;
  margin-bottom: 0.9rem;
}

.tosx-page__promise-card {
  background: var(--tosx-card);
  border: 1px solid var(--tosx-border);
  border-radius: 16px;
  box-shadow: var(--tosx-shadow);
  padding: 0.85rem 0.9rem;
  position: relative;
  overflow: hidden;
}

.tosx-page__promise-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: linear-gradient(180deg, var(--tosx-accent), var(--tosx-accent-2));
}

.tosx-page__promise-card h2 {
  margin: 0;
  color: var(--tosx-accent);
  font-size: 1rem;
  line-height: 1.35;
}

.tosx-page__promise-card p {
  margin: 0.48rem 0 0;
  color: #1f2937;
  font-size: 0.94rem;
  line-height: 1.58;
}

.tosx-page__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.9rem;
}

.tosx-page__toc {
  background: var(--tosx-card);
  border: 1px solid var(--tosx-border);
  border-radius: 16px;
  box-shadow: var(--tosx-shadow);
  padding: 0.95rem 0.9rem;
}

.tosx-page__toc h2 {
  margin: 0 0 0.55rem;
  font-size: 1rem;
}

.tosx-page__toc ol {
  margin: 0;
  padding-left: 1.1rem;
  display: grid;
  gap: 0.36rem;
}

.tosx-page__toc a {
  color: var(--tosx-accent);
  font-weight: 600;
  text-decoration: none;
}

.tosx-page__toc a:hover,
.tosx-page__toc a:focus {
  text-decoration: underline;
}

.tosx-page__content {
  display: grid;
  gap: 0.9rem;
}

.tosx-page__section {
  background: var(--tosx-card);
  border: 1px solid var(--tosx-border);
  border-radius: 16px;
  box-shadow: var(--tosx-shadow);
  padding: 0.96rem 0.92rem 1.05rem;
  scroll-margin-top: 100px;
}

.tosx-page__section h2 {
  margin: 0;
  font-size: 1.15rem;
  line-height: 1.35;
  border-left: 4px solid var(--tosx-accent);
  padding-left: 0.62rem;
}

.tosx-page__section h3 {
  margin: 0.95rem 0 0;
  color: #1f2937;
  font-size: 0.98rem;
}

.tosx-page__section p,
.tosx-page__section li {
  color: #1f2937;
  font-size: 0.96rem;
  line-height: 1.65;
}

.tosx-page__section p {
  margin: 0.66rem 0 0;
}

.tosx-page__section ul {
  margin: 0.62rem 0 0;
  padding-left: 1.25rem;
  display: grid;
  gap: 0.34rem;
}

.tosx-page__section a {
  color: var(--tosx-accent);
  text-decoration: underline;
  text-decoration-color: rgba(90, 59, 140, 0.45);
  text-underline-offset: 2px;
  overflow-wrap: anywhere;
}

.tosx-page__section a:hover,
.tosx-page__section a:focus {
  color: #482f6f;
  text-decoration-color: currentColor;
}

.tosx-page__section:target {
  border-color: rgba(23, 107, 146, 0.45);
  box-shadow: 0 0 0 3px var(--tosx-accent-soft), var(--tosx-shadow);
}

.tosx-page__section--emphasis {
  border-color: rgba(23, 107, 146, 0.22);
  background:
    linear-gradient(180deg, rgba(23, 107, 146, 0.05), rgba(255, 255, 255, 0)),
    var(--tosx-card);
}

.tosx-page__section-head {
  display: grid;
  gap: 0.55rem;
}

.tosx-page__section-intro {
  margin: 0;
  color: var(--tosx-muted);
  max-width: 68ch;
}

.tosx-page__info-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
  margin-top: 0.9rem;
}

.tosx-page__info-card {
  border: 1px solid rgba(23, 107, 146, 0.14);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.86);
  padding: 0.85rem 0.9rem;
}

.tosx-page__info-card h3 {
  margin-top: 0;
  color: var(--tosx-accent);
}

.tosx-page__info-card p {
  margin-bottom: 0;
}

.tosx-page__link-note {
  margin-top: 0.9rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--tosx-border);
  font-weight: 600;
}

@media (min-width: 700px) {
  .tosx-page__promise {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 768px) {
  .tosx-page {
    padding: 1.65rem 1.2rem 3rem;
  }

  .tosx-page__hero {
    padding: 1.42rem 1.45rem 1.36rem;
  }

  .tosx-page__promise-card {
    padding: 0.95rem 1rem;
  }

  .tosx-page__section {
    padding: 1.16rem 1.22rem 1.2rem;
  }
}

@media (min-width: 1024px) {
  .tosx-page__promise {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .tosx-page__layout {
    grid-template-columns: minmax(250px, 300px) minmax(0, 1fr);
    align-items: start;
  }

  .tosx-page__info-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .tosx-page__toc {
    position: sticky;
    top: 1rem;
  }
}

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