.page-faq {
  background:
    linear-gradient(135deg, rgba(168, 182, 200, 0.045) 25%, transparent 25.5%) 0 0 / 32px 32px,
    linear-gradient(225deg, rgba(168, 182, 200, 0.045) 25%, transparent 25.5%) 0 0 / 32px 32px,
    var(--c-deep);
}

.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(2.25rem, 5vw, 4.5rem) 0;
  background:
    repeating-linear-gradient(-45deg, rgba(168, 182, 200, 0.04) 0 2px, transparent 2px 18px),
    linear-gradient(125deg, var(--c-deep) 0%, var(--c-panel) 68%, var(--c-panel-2) 100%);
  border-bottom: 4px solid var(--c-gold);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -80px;
  right: -40px;
  width: 300px;
  height: 300px;
  background: linear-gradient(135deg, rgba(45, 226, 230, 0.22), rgba(122, 90, 248, 0.14));
  clip-path: polygon(30% 0, 100% 0, 100% 70%, 0 100%);
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -110px;
  bottom: -110px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  border: 1px solid rgba(212, 175, 55, 0.4);
  box-shadow: 0 0 0 38px rgba(212, 175, 55, 0.06), 0 0 0 76px rgba(212, 175, 55, 0.04);
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
}

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

.page-faq .faq-hero .page-title {
  font-size: clamp(1.75rem, 4.5vw, 3.5rem);
  line-height: 1.15;
  margin: 0 0 0.875rem;
}

.page-faq .faq-hero .lead {
  font-size: clamp(0.9375rem, 1.6vw, 1.125rem);
  margin: 0 0 1.5rem;
  max-width: 660px;
}

.page-faq .faq-hero__kicker {
  font-family: var(--font-display);
  font-size: 0.8125rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--c-cyan);
  margin: 0 0 0.875rem;
}

.page-faq .faq-search {
  margin-top: 1.75rem;
}

.page-faq .faq-search__label {
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-muted);
  margin: 0 0 0.625rem;
}

.page-faq .faq-search__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.625rem;
}

.page-faq .tag--violet {
  border-color: var(--c-violet);
  color: var(--c-violet);
  background: rgba(122, 90, 248, 0.1);
}

.page-faq .tag--violet:hover {
  background: rgba(122, 90, 248, 0.2);
}

.page-faq .faq-hero__visual {
  position: relative;
  width: 100%;
  max-width: 420px;
  margin-inline: auto;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: var(--c-panel);
  border: 2px solid var(--c-gold);
  box-shadow: var(--shadow-2), var(--glow-gold);
}

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

.page-faq .faq-hero__visual::after {
  content: "安心之选 V3.1";
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 0.375rem 0.75rem;
  background: var(--c-gold);
  color: var(--c-deep);
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
}

.page-faq .faq-stats {
  margin-top: clamp(2rem, 6vw, 4.5rem);
  padding-bottom: clamp(0.5rem, 2vw, 1rem);
  border-bottom: 1px solid var(--c-line);
}

.page-faq .faq-library {
  margin-top: var(--section-space);
  background:
    linear-gradient(135deg, rgba(168, 182, 200, 0.05) 25%, transparent 25.5%) 0 0 / 32px 32px,
    var(--c-deep);
  border: 1px solid var(--c-line);
  padding-top: 1.5rem;
  padding-bottom: 2rem;
}

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-top: clamp(1.25rem, 3vw, 2.5rem);
}

.page-faq .faq-index__title {
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: 0.18em;
  color: var(--c-gold);
  margin: 0 0 0.5rem;
}

.page-faq .faq-index__list {
  display: flex;
  gap: 0.625rem;
  overflow-x: auto;
  padding: 0.75rem 0;
  margin: 0;
  list-style: none;
  scrollbar-width: thin;
}

.page-faq .faq-index__list li {
  flex: 0 0 auto;
}

.page-faq .faq-index__list a {
  display: block;
  padding: 0.625rem 1rem;
  border: 1px solid var(--c-line);
  background: var(--c-panel);
  color: var(--c-text);
  text-decoration: none;
  font-size: 0.875rem;
  border-radius: 2px;
  transition: border-color 0.25s ease, box-shadow 0.25s ease, color 0.25s ease;
}

.page-faq .faq-index__list a:hover {
  border-color: var(--c-violet);
  box-shadow: 0 0 12px rgba(122, 90, 248, 0.25);
}

.page-faq .faq-index__footnote {
  font-size: 0.8125rem;
  color: var(--c-muted);
  line-height: 1.7;
  margin: 1rem 0;
}

.page-faq .faq-index .btn {
  width: 100%;
}

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

.page-faq .faq-category {
  background: var(--c-panel);
  border: 1px solid var(--c-line);
  border-left: 4px solid var(--c-cyan);
  padding: clamp(1.1rem, 2.4vw, 2rem);
  margin-bottom: clamp(1.5rem, 3vw, 2.5rem);
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.page-faq .faq-category:target {
  border-color: var(--c-gold);
  border-left-color: var(--c-gold);
  box-shadow: var(--glow-gold);
}

.page-faq .faq-category__head {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  margin-bottom: 1.25rem;
  padding-bottom: 0.875rem;
  border-bottom: 1px dashed var(--c-line);
}

.page-faq .faq-category__no {
  flex: 0 0 auto;
  font-family: var(--font-display);
  font-size: 1.75rem;
  line-height: 1;
  color: var(--c-gold);
}

.page-faq .faq-category__head h3 {
  margin: 0;
  font-size: 1.375rem;
  color: var(--c-text);
}

.page-faq .faq-category__head p {
  margin: 0.3rem 0 0;
  color: var(--c-muted);
  font-size: 0.8125rem;
}

.page-faq .faq-item {
  border: 1px solid var(--c-line);
  background: rgba(20, 33, 61, 0.55);
  margin-bottom: 0.75rem;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.page-faq .faq-item[open] {
  border-color: var(--c-cyan);
  box-shadow: var(--glow-cyan);
}

.page-faq .faq-item summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.125rem;
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--c-text);
  list-style: none;
  transition: background 0.25s ease;
}

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

.page-faq .faq-item summary:hover {
  background: rgba(45, 226, 230, 0.06);
}

.page-faq .faq-item summary::after {
  content: "+";
  flex: 0 0 auto;
  font-size: 1.5rem;
  line-height: 1;
  color: var(--c-gold);
  transition: transform 0.25s ease;
}

.page-faq .faq-item[open] summary::after {
  content: "−";
  color: var(--c-cyan);
}

.page-faq .faq-item__body {
  padding: 1rem 1.125rem 1.125rem 2.75rem;
  border-top: 1px dashed var(--c-line);
  color: var(--c-muted);
  font-size: 0.9375rem;
  line-height: 1.75;
}

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

.page-faq .faq-item__body a {
  color: var(--c-cyan);
}

.page-faq .faq-flow {
  margin: 1.75rem 0 0;
  border: 1px solid var(--c-line);
  background: var(--c-deep);
}

.page-faq .faq-flow__frame {
  aspect-ratio: 9 / 7;
  overflow: hidden;
  background: var(--c-panel);
}

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

.page-faq .faq-flow figcaption {
  padding: 0.75rem 1rem;
  border-top: 1px solid var(--c-line);
  color: var(--c-bronze);
  font-size: 0.8125rem;
  letter-spacing: 0.03em;
}

.page-faq .faq-contact {
  margin-top: clamp(2.5rem, 6vw, 4.5rem);
  padding: clamp(1.5rem, 4vw, 3rem);
  background: linear-gradient(135deg, var(--c-gold) 0%, var(--c-bronze) 100%);
  color: var(--c-deep);
  border: 2px solid var(--c-deep);
  box-shadow: var(--shadow-2);
}

.page-faq .faq-contact__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.page-faq .faq-contact h2 {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  color: var(--c-deep);
}

.page-faq .faq-contact p {
  margin: 0.25rem 0;
  color: rgba(11, 16, 38, 0.85);
}

.page-faq .faq-contact .faq-contact__note {
  color: rgba(11, 16, 38, 0.72);
  font-size: 0.875rem;
}

.page-faq .faq-contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

@media (min-width: 768px) {
  .page-faq .faq-contact__inner {
    grid-template-columns: minmax(0, 1.4fr) auto;
    align-items: center;
  }
}

@media (min-width: 992px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1fr) 360px;
    gap: clamp(2rem, 4vw, 4rem);
    align-items: center;
  }

  .page-faq .faq-hero__visual {
    max-width: 360px;
  }

  .page-faq .faq-layout {
    grid-template-columns: 280px minmax(0, 1fr);
    gap: clamp(2rem, 4vw, 3.5rem);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 1.25rem;
    background: var(--c-panel);
    border: 1px solid var(--c-line);
    border-left: 4px solid var(--c-violet);
    padding: 1.5rem;
  }

  .page-faq .faq-index__list {
    flex-direction: column;
    gap: 0.25rem;
    overflow: visible;
    padding: 0;
  }

  .page-faq .faq-index__list li {
    flex: auto;
  }

  .page-faq .faq-index__list a {
    border: 0;
    border-left: 2px solid var(--c-line);
    background: transparent;
    border-radius: 0;
    padding: 0.625rem 0.75rem;
    color: var(--c-muted);
  }

  .page-faq .faq-index__list a:hover {
    border-left-color: var(--c-violet);
    color: var(--c-text);
    background: linear-gradient(90deg, rgba(122, 90, 248, 0.12), transparent);
    box-shadow: none;
  }
}