.page-faq {
  background: linear-gradient(180deg, var(--glacier) 0%, var(--white) 100%);
  color: var(--ink);
}

.page-faq .faq-hero {
  background:
    radial-gradient(circle at 85% 20%, rgba(245, 183, 0, 0.14) 0, transparent 3rem),
    radial-gradient(circle at 15% 90%, rgba(160, 210, 219, 0.10) 0, transparent 4rem),
    linear-gradient(150deg, var(--deep-space) 0%, #102C4F 100%);
  color: var(--white);
  padding: 0;
  position: relative;
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 42%;
  height: 6px;
  background: linear-gradient(90deg, var(--gold), var(--gold-aura));
  z-index: 1;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--vivid-orange), var(--gold));
  opacity: 0.4;
  z-index: 1;
}

.page-faq .faq-hero-inner {
  display: grid;
  gap: var(--space-6);
  align-items: center;
  padding-block: var(--space-7);
  position: relative;
  z-index: 2;
}

.page-faq .faq-hero .breadcrumbs {
  margin-bottom: var(--space-4);
  color: rgba(242, 245, 249, 0.75);
}

.page-faq .faq-hero-copy {
  position: relative;
  padding-left: 1rem;
}

.page-faq .faq-hero-copy::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 4px;
  height: 44%;
  background: linear-gradient(180deg, var(--gold), var(--gold-aura));
}

.page-faq .faq-hero-kicker {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  color: var(--gold-aura);
  text-transform: uppercase;
  margin: 0 0 var(--space-3);
}

.page-faq .faq-hero h1 {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.6rem, 4vw, 2.5rem);
  line-height: 1.2;
  margin: 0 0 var(--space-4);
  color: var(--white);
  max-width: 42rem;
}

.page-faq .faq-hero-lede {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.8;
  color: rgba(242, 245, 249, 0.85);
  margin: 0 0 var(--space-5);
  max-width: 38rem;
}

.page-faq .faq-hero-topics {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.page-faq .faq-hero-topics li {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  border: 1px solid rgba(245, 183, 0, 0.4);
  color: var(--gold-aura);
  padding: 0.28rem 0.55rem;
  background: rgba(245, 183, 0, 0.06);
}

.page-faq .faq-hero-visual img {
  width: 100%;
  height: auto;
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.35);
}

.page-faq .faq-main {
  display: grid;
  gap: var(--space-6);
  padding-block: var(--space-6);
}

.page-faq .faq-sidebar {
  background: linear-gradient(150deg, var(--deep-space) 0%, #102C4F 100%);
  color: var(--glacier);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: var(--space-5);
  box-shadow: 0 12px 32px rgba(11, 31, 58, 0.22);
  align-self: start;
}

.page-faq .faq-sidebar-head {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  padding-bottom: var(--space-3);
  margin-bottom: var(--space-4);
}

.page-faq .faq-sidebar-en {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--gold-aura);
}

.page-faq .faq-sidebar-cn {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--white);
}

.page-faq .faq-index-nav {
  display: flex;
  gap: var(--space-2);
  overflow-x: auto;
  padding-bottom: var(--space-2);
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-index-link {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: baseline;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--glacier);
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.page-faq .faq-index-link:hover {
  background: var(--gold);
  color: var(--deep-space);
  border-color: var(--gold);
}

.page-faq .faq-index-link:focus-visible,
.page-faq .faq-question:focus-visible {
  outline: 2px solid var(--vivid-orange);
  outline-offset: 2px;
}

.page-faq .faq-index-num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
}

.page-faq .faq-index-label {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
}

.page-faq .faq-index-label::after {
  content: "";
  flex: 1;
  border-bottom: 1px dotted rgba(255, 255, 255, 0.35);
}

.page-faq .faq-index-link:hover .faq-index-label::after {
  border-bottom-color: rgba(11, 31, 58, 0.35);
}

.page-faq .faq-sidebar-foot {
  border-top: 1px dashed rgba(255, 255, 255, 0.25);
  margin-top: var(--space-5);
  padding-top: var(--space-4);
  display: grid;
  gap: var(--space-3);
}

.page-faq .faq-sidebar-note {
  font-family: var(--font-body);
  font-size: 0.85rem;
  line-height: 1.6;
  color: rgba(242, 245, 249, 0.75);
  margin: 0;
}

.page-faq .faq-sidebar-foot .btn-ghost {
  border-color: var(--gold-aura);
  color: var(--gold-aura);
  justify-self: start;
  background: transparent;
}

.page-faq .faq-sidebar-foot .btn-ghost:hover {
  background: var(--gold-aura);
  color: var(--deep-space);
  border-color: var(--gold-aura);
}

.page-faq .faq-foot-link {
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--mist-cyan);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-faq .faq-groups {
  display: grid;
  gap: var(--space-6);
}

.page-faq .faq-group {
  background: var(--white);
  padding: var(--space-5);
  box-shadow: 0 0 0 1px rgba(11, 31, 58, 0.06), 6px 6px 0 rgba(245, 183, 0, 0.14);
  scroll-margin-top: var(--space-6);
}

.page-faq .faq-group:nth-child(even) {
  background: var(--glacier);
  box-shadow: 0 0 0 1px rgba(11, 31, 58, 0.06), 6px 6px 0 rgba(18, 59, 109, 0.12);
}

.page-faq .faq-group-head {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
  border-left: 4px solid var(--gold);
  padding-left: var(--space-4);
  margin-bottom: var(--space-5);
}

.page-faq .faq-group:nth-child(even) .faq-group-head {
  border-left-color: var(--navy);
}

.page-faq .faq-group-num {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--vivid-orange);
  border: 1px dashed rgba(17, 24, 39, 0.3);
  padding: 0.25rem 0.5rem;
  flex-shrink: 0;
}

.page-faq .faq-group h2 {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.4rem;
  line-height: 1.3;
  color: var(--deep-space);
  margin: 0 0 var(--space-1);
}

.page-faq .faq-group-desc {
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: #4B5563;
  line-height: 1.6;
  margin: 0;
}

.page-faq .faq-list {
  display: grid;
  gap: var(--space-3);
}

.page-faq .faq-item {
  border: 1px solid #C9D2DE;
  background: var(--white);
}

.page-faq .faq-question {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: var(--space-3);
  align-items: center;
  padding: var(--space-4);
  cursor: pointer;
  list-style: none;
  background: var(--glacier);
  transition: background 0.2s ease;
}

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

.page-faq .faq-question:hover {
  background: #E6EDF5;
}

.page-faq .faq-item[open] > .faq-question {
  background: var(--white);
  border-bottom: 1px solid #C9D2DE;
}

.page-faq .faq-q-num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--deep-space);
  background: var(--gold);
  padding: 0.3rem 0.6rem 0.3rem 0.5rem;
  clip-path: polygon(0 0, 100% 0, calc(100% - 0.45rem) 100%, 0 100%);
  letter-spacing: 0.05em;
}

.page-faq .faq-item[open] .faq-q-num {
  background: var(--vivid-orange);
  color: var(--white);
}

.page-faq .faq-q-text {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.98rem;
  color: var(--ink);
  line-height: 1.5;
}

.page-faq .faq-q-toggle {
  width: 1.2rem;
  height: 1.2rem;
  position: relative;
  flex-shrink: 0;
  display: inline-block;
}

.page-faq .faq-q-toggle::before,
.page-faq .faq-q-toggle::after {
  content: "";
  position: absolute;
  background: var(--vivid-orange);
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  border-radius: 1px;
  transition: background 0.2s ease, opacity 0.2s ease;
}

.page-faq .faq-q-toggle::before {
  width: 1px;
  height: 100%;
}

.page-faq .faq-q-toggle::after {
  height: 1px;
  width: 100%;
}

.page-faq .faq-item[open] .faq-q-toggle::before {
  display: none;
}

.page-faq .faq-item[open] .faq-q-toggle::after {
  background: var(--ember-orange);
}

.page-faq .faq-answer {
  padding: var(--space-4);
  background: #E9EEF5;
  border-top: 1px dashed rgba(17, 24, 39, 0.15);
  color: #374151;
  line-height: 1.75;
  font-size: 0.92rem;
}

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

.page-faq .faq-answer a {
  color: var(--vivid-orange);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-faq .faq-answer a:hover {
  color: var(--ember-orange);
}

.page-faq .faq-group-media {
  margin: var(--space-5) 0 0;
  padding: var(--space-3);
  border: 1px solid #C9D2DE;
  background: var(--glacier);
  display: grid;
  gap: var(--space-2);
}

.page-faq .faq-group-media img {
  width: 100%;
  height: auto;
  display: block;
  border: 1px solid #C9D2DE;
  box-shadow: 4px 4px 0 rgba(11, 31, 58, 0.08);
}

.page-faq .faq-group-media figcaption {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: #4B5563;
  letter-spacing: 0.04em;
  line-height: 1.6;
}

@media (min-width: 720px) {
  .page-faq .faq-hero-inner {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  }

  .page-faq .faq-group {
    padding: var(--space-6);
  }

  .page-faq .faq-question {
    padding: var(--space-4) var(--space-5);
  }

  .page-faq .faq-answer {
    padding: var(--space-5);
  }
}

@media (min-width: 960px) {
  .page-faq .faq-main {
    grid-template-columns: 18rem minmax(0, 1fr);
    align-items: start;
    gap: var(--space-7);
    padding-block: var(--space-7);
  }

  .page-faq .faq-sidebar {
    position: sticky;
    top: var(--space-6);
    scroll-margin-top: var(--space-6);
  }

  .page-faq .faq-index-nav {
    flex-direction: column;
    overflow: visible;
    gap: var(--space-1);
    padding-bottom: 0;
  }

  .page-faq .faq-index-link {
    padding: var(--space-2) var(--space-3);
    background: transparent;
    border: 1px solid transparent;
  }

  .page-faq .faq-index-link:hover {
    background: var(--gold);
    color: var(--deep-space);
    border-color: var(--gold);
  }
}