.page-faq {
  --faq-blue-deep: #16305A;
  --faq-blue-mid: #244B8C;
  --faq-blue-soft: #F4F6FA;
  --faq-border-gray: #E5E9F0;
  --faq-header-grad: linear-gradient(135deg, #16305A 0%, #0F4C5C 92%, #3F2E56 100%);
  background: #fff;
  color: var(--c-black);
  font-family: var(--font-body);
}

/* topbar */
.page-faq .faq-topbar {
  background: #132B4F;
  border-bottom: 3px solid var(--c-orange);
  padding: 0.55rem 0;
}
.page-faq .faq-topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.page-faq .faq-topbar .breadcrumbs {
  margin: 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
}
.page-faq .faq-topbar .breadcrumbs a {
  color: rgba(255, 255, 255, 0.72);
  text-decoration: none;
  transition: color 0.2s ease;
}
.page-faq .faq-topbar .breadcrumbs a:hover,
.page-faq .faq-topbar .breadcrumbs a:focus-visible {
  color: #fff;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-faq .faq-topbar .breadcrumbs [aria-current="page"] {
  color: var(--c-sand);
}
.page-faq .faq-badge-top {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.35);
  color: var(--c-sand);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  padding: 0.25rem 0.7rem;
  white-space: nowrap;
}

/* header */
.page-faq .faq-header {
  background: var(--faq-header-grad);
  color: #fff;
  padding: 2.4rem 0 2.6rem;
  position: relative;
  overflow: hidden;
}
.page-faq .faq-header::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: repeating-linear-gradient(135deg, var(--c-orange) 0 10px, transparent 10px 22px);
  opacity: 0.8;
}
.page-faq .faq-header::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 4px;
  background: repeating-linear-gradient(135deg, var(--c-sand) 0 8px, transparent 8px 16px);
  opacity: 0.45;
}
.page-faq .faq-header-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.8rem;
  align-items: center;
}
.page-faq .faq-header-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.page-faq .faq-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  color: var(--c-sand);
  margin: 0 0 0.6rem;
}
.page-faq .faq-header h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 2.1rem;
  line-height: 1.18;
  margin: 0 0 0.85rem;
  color: #fff;
  max-width: 14em;
}
.page-faq .faq-header-lead {
  font-size: 0.98rem;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.86);
  max-width: 38em;
  margin: 0 0 1.4rem;
}
.page-faq .faq-header-stats {
  display: flex;
  gap: 1.6rem;
  flex-wrap: wrap;
  padding-top: 0.2rem;
}
.page-faq .faq-header-stats > div {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}
.page-faq .faq-header-stats strong {
  font-family: var(--font-display);
  font-size: 1.55rem;
  font-weight: 900;
  color: var(--c-orange);
  line-height: 1;
}
.page-faq .faq-header-stats span {
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.68);
}
.page-faq .faq-header-figure {
  margin: 0;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: var(--radius);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.04);
  aspect-ratio: 4 / 1;
}
.page-faq .faq-header-figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* search */
.page-faq .faq-search {
  background: var(--c-light-gray);
  padding: 2rem 0;
}
.page-faq .faq-search-panel {
  background: #fff;
  border: 1px solid var(--c-sand);
  border-left: 4px solid var(--c-orange);
  padding: 1.4rem 1.4rem 1.2rem;
  box-shadow: 0 8px 24px rgba(11, 36, 71, 0.06);
}
.page-faq .faq-search-head {
  display: flex;
  align-items: baseline;
  gap: 0.9rem;
  flex-wrap: wrap;
}
.page-faq .faq-search-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.2rem;
  color: var(--c-highland-blue);
  margin: 0;
}
.page-faq .faq-search-note {
  font-size: 0.82rem;
  color: #666;
  margin: 0;
}
.page-faq .faq-search-box {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 1rem 0 0.8rem;
  border: 2px solid var(--c-highland-blue);
  background: var(--c-snow-white);
  padding: 0.25rem 0.7rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.page-faq .faq-search-box:focus-within {
  border-color: var(--c-orange);
  box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.18);
}
.page-faq .faq-search-mark {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  color: var(--c-highland-blue);
  line-height: 1;
}
.page-faq .faq-search-box input {
  flex: 1;
  min-width: 0;
  border: 0;
  background: transparent;
  outline: 0;
  padding: 0.5rem 0;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--c-black);
}
.page-faq .faq-search-tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
}
.page-faq .faq-tag-label {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: #777;
  margin-right: 0.2rem;
}
.page-faq .faq-search-tags .tag {
  border: 1px solid var(--c-sand);
  color: var(--c-highland-blue);
  background: #fffdf8;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  padding: 0.22rem 0.55rem;
  text-decoration: none;
  border-radius: 2px;
  transition: border-color 0.2s ease, background 0.2s ease, color 0.2s ease;
}
.page-faq .faq-search-tags .tag:hover,
.page-faq .faq-search-tags .tag:focus-visible {
  border-color: var(--c-orange);
  background: var(--c-orange);
  color: #fff;
}
.page-faq .faq-search-meta {
  margin: 0.9rem 0 0;
  font-size: 0.8rem;
  color: #888;
  font-family: var(--font-mono);
}

/* hot section */
.page-faq .faq-hot {
  background: #fff;
  padding: 2.8rem 0 2.4rem;
}
.page-faq .faq-hot-head {
  margin-bottom: 1.5rem;
  display: flex;
  align-items: baseline;
  gap: 1rem;
  flex-wrap: wrap;
}
.page-faq .faq-hot .section-title {
  margin: 0;
}
.page-faq .faq-hot-sub {
  color: #666;
  font-size: 0.88rem;
  margin: 0;
}
.page-faq .faq-hot-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.9rem;
}
.page-faq .faq-hot-card {
  display: block;
  position: relative;
  background: #fff;
  border: 1px solid var(--faq-border-gray);
  border-top: 4px solid var(--c-highland-blue);
  padding: 1.25rem 1.3rem 1.1rem 3.4rem;
  text-decoration: none;
  color: var(--c-black);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.page-faq .faq-hot-card:hover,
.page-faq .faq-hot-card:focus-visible {
  transform: translateY(-3px);
  box-shadow: 0 10px 24px rgba(11, 36, 71, 0.1);
  border-top-color: var(--c-orange);
}
.page-faq .faq-hot-idx {
  position: absolute;
  top: 1.2rem;
  left: 1.1rem;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--c-orange);
}
.page-faq .faq-hot-card h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1rem;
  line-height: 1.4;
  color: var(--c-highland-blue);
  margin: 0 0 0.4rem;
}
.page-faq .faq-hot-card p {
  font-size: 0.87rem;
  line-height: 1.65;
  color: #555;
  margin: 0;
}

/* main layout */
.page-faq .faq-main {
  background: var(--faq-blue-soft);
  padding: 2.8rem 0;
}
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: start;
}
.page-faq .faq-category,
.page-faq .faq-accordion details {
  scroll-margin-top: 1.5rem;
}

/* toc */
.page-faq .faq-toc-inner {
  background: linear-gradient(145deg, var(--c-highland-blue), var(--c-deep-teal));
  color: #fff;
  padding: 1.5rem 1.4rem;
  border-left: 4px solid var(--c-orange);
}
.page-faq .faq-toc h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.08rem;
  margin: 0 0 0.9rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.28);
}
.page-faq .faq-toc ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-faq .faq-toc li {
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}
.page-faq .faq-toc li a {
  display: flex;
  align-items: baseline;
  gap: 0.55rem;
  padding: 0.62rem 0.2rem;
  color: rgba(255, 255, 255, 0.86);
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.92rem;
  transition: color 0.2s ease, padding 0.2s ease;
}
.page-faq .faq-toc li a span {
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 0.78rem;
  color: var(--c-orange);
}
.page-faq .faq-toc li a:hover,
.page-faq .faq-toc li a:focus-visible {
  color: #fff;
  padding-left: 0.6rem;
}
.page-faq .faq-toc-note {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: rgba(255, 255, 255, 0.58);
  margin: 1.1rem 0 0;
}

/* accordion */
.page-faq .faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}
.page-faq .faq-accordion-head {
  border-left: 4px solid var(--c-orange);
  padding-left: 0.9rem;
  margin-bottom: -0.6rem;
}
.page-faq .faq-accordion-head h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.35rem;
  color: var(--c-highland-blue);
  margin: 0 0 0.2rem;
}
.page-faq .faq-accordion-head p {
  margin: 0;
  font-size: 0.85rem;
  color: #666;
}
.page-faq .faq-category-head {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  border-bottom: 3px solid var(--c-orange);
  padding-bottom: 0.4rem;
  margin-bottom: 0.8rem;
}
.page-faq .faq-category-name {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.2rem;
  color: var(--c-highland-blue);
  margin: 0;
}
.page-faq .faq-category-name span {
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 0.8rem;
  color: var(--c-orange);
}
.page-faq .faq-cat-tag {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  background: var(--c-light-gray);
  color: #666;
  padding: 0.18rem 0.55rem;
  border-radius: 2px;
}
.page-faq .faq-accordion details {
  border: 1px solid var(--faq-border-gray);
  border-left: 4px solid var(--c-highland-blue);
  background: #fff;
  margin-bottom: 0.65rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.page-faq .faq-accordion details[open] {
  border-left-color: var(--c-orange);
  box-shadow: 0 5px 14px rgba(11, 36, 71, 0.06);
}
.page-faq .faq-accordion details:hover {
  border-color: #c9d4e4;
  border-left-color: var(--c-orange);
}
.page-faq .faq-accordion summary {
  cursor: pointer;
  list-style: none;
  position: relative;
  background: transparent;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  line-height: 1.45;
  color: #17263a;
  padding: 1.05rem 3.3rem 1.05rem 1.1rem;
}
.page-faq .faq-accordion summary::-webkit-details-marker {
  display: none;
}
.page-faq .faq-accordion summary::after {
  content: "+";
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  width: 1.45rem;
  height: 1.45rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--c-orange);
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 400;
  color: var(--c-orange);
  line-height: 1;
  transition: background 0.2s ease, color 0.2s ease;
}
.page-faq .faq-accordion details[open] summary::after {
  content: "\2013";
  background: var(--c-orange);
  color: #fff;
}
.page-faq .faq-accordion summary:hover,
.page-faq .faq-accordion summary:focus-visible {
  background: #fbfcfe;
}
.page-faq .faq-accordion details:focus-within {
  outline: 2px solid rgba(255, 107, 53, 0.35);
}
.page-faq .faq-answer {
  padding: 0 1.2rem 1.2rem 1.1rem;
  font-size: 0.93rem;
  line-height: 1.75;
  color: #333;
}
.page-faq .faq-answer p {
  margin: 0 0 0.75rem;
}
.page-faq .faq-answer p:last-of-type {
  margin-bottom: 0;
}
.page-faq .faq-answer a {
  color: var(--c-highland-blue);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: var(--c-orange);
  transition: color 0.2s ease, background 0.2s ease;
}
.page-faq .faq-answer a:hover,
.page-faq .faq-answer a:focus-visible {
  color: var(--c-orange);
  background: rgba(255, 107, 53, 0.08);
}
.page-faq .faq-answer-figure {
  margin: 1rem 0 0;
  border: 1px solid var(--faq-border-gray);
  background: var(--c-light-gray);
}
.page-faq .faq-answer-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-faq .faq-answer-figure figcaption {
  font-family: var(--font-mono);
  font-size: 0.73rem;
  color: #777;
  padding: 0.5rem 0.7rem;
}
.page-faq .btn-sm {
  display: inline-block;
  margin-top: 0.55rem;
  padding: 0.4rem 0.85rem;
  font-size: 0.8rem;
}

/* support band */
.page-faq .faq-support {
  background: linear-gradient(135deg, var(--c-deep-teal) 0%, var(--c-highland-blue) 70%, var(--c-indigo) 100%);
  color: #fff;
  padding: 2.6rem 0;
}
.page-faq .faq-support-box {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-left: 4px solid var(--c-orange);
  padding: 1.6rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  align-items: flex-start;
}
.page-faq .faq-support-copy h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.35rem;
  color: #fff;
  margin: 0 0 0.5rem;
}
.page-faq .faq-support-copy p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.92rem;
  line-height: 1.7;
  margin: 0;
  max-width: 42em;
}
.page-faq .faq-support-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}
.page-faq .faq-support-actions .btn-outline {
  border-color: rgba(255, 255, 255, 0.7);
  color: #fff;
  background: transparent;
}
.page-faq .faq-support-actions .btn-outline:hover,
.page-faq .faq-support-actions .btn-outline:focus-visible {
  background: rgba(255, 255, 255, 0.16);
  border-color: #fff;
}

/* reveal safety */
.page-faq [data-reveal] {
  opacity: 1;
  transform: none;
}

/* desktop */
@media (min-width: 768px) {
  .page-faq .faq-hot-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-faq .faq-header-grid {
    grid-template-columns: 1.25fr 0.75fr;
    gap: 2.5rem;
  }
  .page-faq .faq-header h1 {
    font-size: 2.45rem;
  }
  .page-faq .faq-header-figure {
    aspect-ratio: 4 / 1;
    min-height: 0;
  }
  .page-faq .faq-layout {
    grid-template-columns: 270px 1fr;
    gap: 2.2rem;
  }
  .page-faq .faq-toc-inner {
    position: sticky;
    top: 2rem;
  }
  .page-faq .faq-support-box {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

@media (min-width: 1100px) {
  .page-faq .faq-header h1 {
    font-size: 2.8rem;
  }
  .page-faq .faq-header-lead {
    font-size: 1.02rem;
  }
  .page-faq .faq-layout {
    grid-template-columns: 320px 1fr;
  }
  .page-faq .faq-search-panel {
    padding: 1.7rem 2rem 1.4rem;
  }
  .page-faq .faq-main {
    padding: 3.4rem 0;
  }
}