.page-faq {
  background: var(--bb-sand);
  color: var(--bb-ink);
  font-family: var(--bb-font-zh);
  overflow-wrap: break-word;
}

.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  margin-top: calc(-1 * var(--bb-header-h));
  padding: calc(var(--bb-header-h) + clamp(28px, 5vw, 56px)) 0 clamp(48px, 8vw, 96px);
  background: var(--bb-deep);
  color: var(--bb-sand);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(135deg, transparent 0 58%, rgba(255, 107, 53, 0.16) 58% 100%),
    radial-gradient(circle at 84% 16%, rgba(0, 196, 140, 0.18), transparent 32%),
    linear-gradient(90deg, rgba(191, 227, 232, 0.07) 1px, transparent 1px),
    linear-gradient(0deg, rgba(191, 227, 232, 0.07) 1px, transparent 1px);
  background-size: auto, auto, 72px 72px, 72px 72px;
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -12%;
  bottom: -26%;
  z-index: -1;
  width: 58%;
  height: 76%;
  background: linear-gradient(135deg, rgba(255, 107, 53, 0.9), rgba(255, 138, 91, 0.18));
  clip-path: polygon(18% 0, 100% 0, 72% 100%, 0 100%);
  opacity: 0.22;
  pointer-events: none;
}

.page-faq .faq-hero .bb-container {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero .bb-breadcrumb {
  margin-bottom: clamp(28px, 5vw, 48px);
  color: var(--bb-foam);
}

.page-faq .faq-hero .bb-breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-hero .bb-breadcrumb a {
  color: var(--bb-sand);
  text-decoration: none;
}

.page-faq .faq-hero .bb-breadcrumb a:hover {
  color: var(--bb-yellow);
}

.page-faq .faq-hero .bb-breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--bb-coral);
}

.page-faq .faq-hero__layout {
  display: grid;
  gap: 32px;
  min-width: 0;
}

.page-faq .faq-hero__copy {
  min-width: 0;
}

.page-faq .faq-hero h1 {
  max-width: 8ch;
  margin: 12px 0 20px;
  font-family: var(--bb-font-zh);
  font-size: clamp(3.4rem, 12vw, 8rem);
  font-weight: 900;
  line-height: 0.9;
  letter-spacing: -0.05em;
}

.page-faq .faq-hero .bb-lead {
  max-width: 56ch;
  color: var(--bb-foam);
  font-size: clamp(1rem, 2vw, 1.15rem);
  line-height: 1.8;
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-faq .faq-hero__panel {
  display: grid;
  gap: 18px;
  align-self: end;
  min-width: 0;
  padding-left: clamp(18px, 3vw, 32px);
  border-left: 1px solid rgba(191, 227, 232, 0.35);
}

.page-faq .faq-hero__panel-label {
  margin: 0;
  color: var(--bb-foam);
  font-family: var(--bb-font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.page-faq .faq-hero__stat {
  display: grid;
  gap: 4px;
  padding-top: 14px;
  border-top: 1px solid rgba(191, 227, 232, 0.18);
}

.page-faq .faq-hero__stat span:first-child {
  color: var(--bb-yellow);
  font-family: var(--bb-font-mono);
  font-size: clamp(1.2rem, 3vw, 1.8rem);
  font-weight: 600;
  line-height: 1.2;
}

.page-faq .faq-hero__stat span:last-child {
  color: var(--bb-foam);
  font-size: 14px;
  line-height: 1.5;
}

.page-faq .faq-hero__note {
  margin: 0;
  color: rgba(191, 227, 232, 0.75);
  font-family: var(--bb-font-mono);
  font-size: 11px;
  line-height: 1.6;
}

.page-faq .faq-body {
  padding-block: clamp(40px, 7vw, 88px);
  background: var(--bb-sand);
}

.page-faq .faq-layout {
  display: grid;
  gap: 32px;
  min-width: 0;
}

.page-faq .faq-rail {
  min-width: 0;
}

.page-faq .faq-rail__sticky {
  min-width: 0;
}

.page-faq .faq-cats {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 10px;
  scrollbar-width: thin;
}

.page-faq .faq-cat {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border: 1px solid var(--bb-line);
  color: var(--bb-ink);
  font-size: 13px;
  text-decoration: none;
  white-space: nowrap;
  transition: background 180ms ease, color 180ms ease, border-color 180ms ease;
}

.page-faq .faq-cat:hover {
  border-color: var(--bb-deep);
  background: var(--bb-deep);
  color: var(--bb-sand);
}

.page-faq .faq-cat__num {
  color: var(--bb-coral);
  font-family: var(--bb-font-mono);
  font-size: 11px;
}

.page-faq .faq-cat:hover .faq-cat__num {
  color: var(--bb-yellow);
}

.page-faq .faq-cat__count {
  color: rgba(8, 20, 24, 0.5);
  font-family: var(--bb-font-mono);
  font-size: 11px;
}

.page-faq .faq-cat:hover .faq-cat__count {
  color: var(--bb-foam);
}

.page-faq .faq-rail__contact {
  display: grid;
  gap: 4px;
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--bb-line);
  color: rgba(8, 20, 24, 0.68);
  font-size: 13px;
  line-height: 1.7;
}

.page-faq .faq-rail__contact p {
  margin: 0;
}

.page-faq .faq-rail__contact a {
  width: fit-content;
  border-bottom: 1px solid var(--bb-line);
  color: var(--bb-trench);
  font-family: var(--bb-font-mono);
  text-decoration: none;
}

.page-faq .faq-rail__contact a:hover {
  border-color: var(--bb-coral);
  color: var(--bb-deep);
}

.page-faq .faq-content {
  min-width: 0;
}

.page-faq .faq-group {
  scroll-margin-top: calc(var(--bb-header-h) + 24px);
}

.page-faq .faq-group + .faq-group {
  margin-top: clamp(48px, 8vw, 96px);
}

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: start;
  padding-bottom: 18px;
  border-bottom: 2px solid var(--bb-deep);
}

.page-faq .faq-group__num {
  color: var(--bb-coral);
  font-family: var(--bb-font-mono);
  font-size: clamp(1.4rem, 4vw, 2.4rem);
  font-weight: 600;
  line-height: 1;
}

.page-faq .faq-group__head h2 {
  margin: 0;
  color: var(--bb-ink);
  font-size: clamp(1.5rem, 3.2vw, 2.4rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.page-faq .faq-group__head p {
  max-width: 62ch;
  margin: 8px 0 0;
  color: rgba(8, 20, 24, 0.68);
  font-size: 15px;
  line-height: 1.7;
}

.page-faq .faq-item {
  border-bottom: 1px solid var(--bb-line);
}

.page-faq .faq-item summary {
  display: grid;
  grid-template-columns: 44px 1fr 24px;
  gap: 12px;
  align-items: start;
  padding: 20px 0;
  list-style: none;
  cursor: pointer;
}

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

.page-faq .faq-item summary:focus-visible {
  outline: 2px solid var(--bb-coral);
  outline-offset: 4px;
}

.page-faq .faq-item__num {
  padding-top: 4px;
  color: var(--bb-coral);
  font-family: var(--bb-font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
}

.page-faq .faq-item__title {
  color: var(--bb-ink);
  font-size: clamp(1.02rem, 2.2vw, 1.25rem);
  font-weight: 700;
  line-height: 1.5;
}

.page-faq .faq-item__icon {
  position: relative;
  justify-self: end;
  width: 20px;
  height: 20px;
  margin-top: 2px;
  border: 1px solid var(--bb-line);
  flex: none;
}

.page-faq .faq-item__icon::before,
.page-faq .faq-item__icon::after {
  content: "";
  position: absolute;
  background: var(--bb-deep);
  transition: transform 180ms ease, opacity 180ms ease;
}

.page-faq .faq-item__icon::before {
  top: 9px;
  right: 4px;
  left: 4px;
  height: 1px;
}

.page-faq .faq-item__icon::after {
  top: 4px;
  bottom: 4px;
  left: 9px;
  width: 1px;
}

.page-faq .faq-item[open] .faq-item__icon {
  border-color: var(--bb-coral);
}

.page-faq .faq-item[open] .faq-item__icon::after {
  opacity: 0;
  transform: scaleY(0);
}

.page-faq .faq-item[open] .faq-item__num {
  color: var(--bb-deep);
}

.page-faq .faq-item__answer {
  max-width: 72ch;
  padding: 0 0 22px;
  color: rgba(8, 20, 24, 0.78);
  font-size: 16px;
  line-height: 1.85;
}

.page-faq .faq-item__answer p {
  margin: 0;
}

.page-faq .faq-item__answer p + p {
  margin-top: 12px;
}

.page-faq .faq-item__answer a {
  color: var(--bb-trench);
  text-decoration: underline;
  text-decoration-color: var(--bb-coral);
  text-underline-offset: 3px;
}

.page-faq .faq-item__answer a:hover {
  color: var(--bb-deep);
}

.page-faq .faq-media {
  margin: clamp(24px, 4vw, 40px) 0 0;
  background: var(--bb-deep);
  color: var(--bb-sand);
}

.page-faq .faq-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .faq-media .bb-media__caption {
  padding: 12px 16px;
  color: var(--bb-foam);
  font-family: var(--bb-font-mono);
  font-size: 12px;
  line-height: 1.5;
}

.page-faq .faq-support {
  position: relative;
  overflow: hidden;
  padding-block: clamp(48px, 8vw, 96px);
  background: var(--bb-deep);
  color: var(--bb-sand);
}

.page-faq .faq-support::before {
  content: "";
  position: absolute;
  right: -10%;
  bottom: -40%;
  width: 70%;
  height: 90%;
  background: radial-gradient(circle, rgba(255, 107, 53, 0.32), transparent 60%);
  pointer-events: none;
}

.page-faq .faq-support .bb-container {
  position: relative;
  z-index: 1;
}

.page-faq .faq-support__layout {
  display: grid;
  gap: 32px;
  align-items: center;
  min-width: 0;
}

.page-faq .faq-support__copy {
  min-width: 0;
}

.page-faq .faq-support h2 {
  max-width: 18ch;
  margin: 12px 0 18px;
  color: var(--bb-sand);
  font-size: clamp(2rem, 4.5vw, 3.6rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.page-faq .faq-support__copy > p:not(.bb-eyebrow):not(.faq-support__note) {
  max-width: 60ch;
  color: var(--bb-foam);
  font-size: 16px;
  line-height: 1.8;
}

.page-faq .faq-support__list {
  display: grid;
  gap: 10px;
  margin: 24px 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-support__list li {
  position: relative;
  padding-left: 20px;
  color: var(--bb-foam);
  font-size: 15px;
  line-height: 1.6;
}

.page-faq .faq-support__list li::before {
  content: "";
  position: absolute;
  top: 0.65em;
  left: 0;
  width: 8px;
  height: 1px;
  background: var(--bb-coral);
}

.page-faq .faq-support__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-faq .faq-support .bb-copy {
  padding: 12px 18px;
  border: 1px solid rgba(191, 227, 232, 0.45);
  border-radius: var(--bb-radius);
  background: transparent;
  color: var(--bb-sand);
  font-family: var(--bb-font-zh);
  font-size: 14px;
  cursor: pointer;
}

.page-faq .faq-support .bb-copy:hover {
  border-color: var(--bb-coral);
  color: var(--bb-yellow);
}

.page-faq .faq-support__note {
  max-width: 66ch;
  margin: 20px 0 0;
  color: rgba(191, 227, 232, 0.72);
  font-size: 12px;
  line-height: 1.7;
}

.page-faq .faq-support__note a {
  color: var(--bb-foam);
  text-decoration: underline;
  text-decoration-color: var(--bb-coral);
  text-underline-offset: 3px;
}

.page-faq .faq-support__note a:hover {
  color: var(--bb-yellow);
}

.page-faq .faq-support__media {
  margin: 0;
  border: 1px solid rgba(191, 227, 232, 0.22);
  background: var(--bb-trench);
  min-width: 0;
}

.page-faq .faq-support__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .faq-support__media .bb-media__caption {
  padding: 12px 16px;
  color: var(--bb-foam);
  font-family: var(--bb-font-mono);
  font-size: 12px;
  line-height: 1.5;
}

@media (min-width: 600px) {
  .page-faq .faq-item__answer {
    padding-left: 56px;
  }

  .page-faq .faq-support__layout {
    gap: 40px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero__layout {
    grid-template-columns: minmax(0, 7fr) minmax(280px, 5fr);
    align-items: end;
    gap: clamp(40px, 6vw, 80px);
  }

  .page-faq .faq-layout {
    grid-template-columns: minmax(220px, 280px) minmax(0, 1fr);
    gap: clamp(32px, 5vw, 72px);
    align-items: start;
  }

  .page-faq .faq-rail__sticky {
    position: sticky;
    top: calc(var(--bb-header-h) + 28px);
    padding-right: 24px;
    border-right: 1px solid var(--bb-line);
  }

  .page-faq .faq-cats {
    display: block;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-cat {
    display: grid;
    grid-template-columns: 32px 1fr auto;
    gap: 10px;
    padding: 14px 0;
    border: 0;
    border-bottom: 1px solid var(--bb-line);
    font-size: 14px;
    white-space: normal;
    transition: background 180ms ease, color 180ms ease;
  }

  .page-faq .faq-cat:hover {
    background: rgba(191, 227, 232, 0.42);
    color: var(--bb-deep);
  }

  .page-faq .faq-cat:hover .faq-cat__num {
    color: var(--bb-coral);
  }

  .page-faq .faq-cat:hover .faq-cat__count {
    color: var(--bb-trench);
  }

  .page-faq .faq-support__layout {
    grid-template-columns: minmax(0, 1fr) minmax(280px, 0.8fr);
    gap: clamp(40px, 6vw, 80px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-cat,
  .page-faq .faq-item__icon::before,
  .page-faq .faq-item__icon::after {
    transition: none;
  }
}