.page-faq {
  --faq-navy: #003064;
  --faq-azure: #E8F0FA;
  --faq-gold-soft: #D9B95C;
  background: var(--paper-dark);
}

/* ===== 搜索帮助区 ===== */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: 1.5rem 0 2.5rem;
  background:
    radial-gradient(circle at 88% 18%, rgba(0, 71, 160, 0.08) 0, transparent 32%),
    linear-gradient(135deg, var(--paper-dark) 0%, var(--paper-light) 60%, var(--faq-azure) 100%);
  border-bottom: 1px solid var(--line-light);
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 2rem;
  align-items: center;
}

.page-faq .faq-hero__content {
  max-width: 38rem;
}

.page-faq .faq-hero__eyebrow {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-blue);
  margin: 0 0 0.5rem;
}

.page-faq .faq-hero h1 {
  font-family: var(--font-headings);
  font-size: 2.5rem;
  line-height: 1.15;
  color: var(--ink);
  margin: 0 0 1rem;
}

.page-faq .faq-hero__desc {
  color: var(--ink-soft);
  font-size: 1rem;
  line-height: 1.8;
  margin: 0 0 1.5rem;
}

.page-faq .faq-search {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--white);
  border: 1px solid var(--line-light);
  border-radius: var(--radius-md);
  padding: 0.25rem 0.25rem 0.25rem 1rem;
  box-shadow: var(--shadow-sm);
  max-width: 34rem;
}

.page-faq .faq-search:focus-within {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(0, 71, 160, 0.12);
}

.page-faq .faq-search__icon {
  color: var(--accent-blue);
  flex: 0 0 auto;
}

.page-faq .faq-search__input {
  flex: 1;
  min-width: 0;
  border: 0;
  outline: 0;
  background: transparent;
  padding: 0.8rem 0.6rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--ink);
}

.page-faq .faq-search__input::placeholder {
  color: #8a857a;
}

.page-faq .faq-search__hint {
  font-size: 0.8125rem;
  color: var(--ink-soft);
  margin: 0.75rem 0 0;
  border-left: 2px solid var(--accent-gold);
  padding-left: 0.75rem;
  line-height: 1.6;
}

.page-faq .faq-hero__visual {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--line-light);
  box-shadow: var(--shadow-md);
  background: var(--faq-azure);
}

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

/* ===== 常见问题分类 ===== */
.page-faq .faq-category {
  padding: 3rem 0 2rem;
}

.page-faq .faq-layout {
  display: grid;
  gap: 1.5rem;
  margin-top: 2rem;
}

.page-faq .faq-index {
  background: var(--paper-light);
  border: 1px solid var(--line-light);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
}

.page-faq .faq-index__icon {
  width: 4rem;
  height: 4rem;
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-bottom: 0.75rem;
  background: var(--faq-azure);
}

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

.page-faq .faq-index__label {
  font-family: var(--font-headings);
  font-size: 0.875rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent-gold);
  margin: 0 0 0.75rem;
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.page-faq .faq-index__link {
  display: inline-block;
  padding: 0.45rem 0.9rem;
  border: 1px solid var(--line-light);
  border-radius: 999px;
  background: var(--paper-dark);
  color: var(--ink-soft);
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  background: var(--accent-blue);
  border-color: var(--accent-blue);
  color: #fff;
}

.page-faq .faq-panels {
  display: grid;
  gap: 2rem;
}

.page-faq .faq-panel {
  scroll-margin-top: calc(var(--header-h) + 1rem);
}

.page-faq .faq-panel__title {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-headings);
  font-size: 1.5rem;
  color: var(--ink);
  margin: 0 0 0.35rem;
}

.page-faq .faq-panel__desc {
  font-size: 0.9375rem;
  color: var(--ink-soft);
  margin: 0 0 1rem;
  line-height: 1.7;
}

.page-faq .faq-item {
  border: 1px solid var(--line-light);
  border-radius: var(--radius-md);
  background: var(--paper-light);
  margin-bottom: 0.75rem;
  box-shadow: var(--shadow-sm);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.page-faq .faq-item[open] {
  border-color: rgba(0, 71, 160, 0.3);
  box-shadow: var(--shadow-md);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.1rem;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--ink);
  transition: color 0.15s ease;
}

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

.page-faq .faq-item__q:hover {
  color: var(--accent-blue);
}

.page-faq .faq-item__no {
  flex: 0 0 2rem;
  width: 2rem;
  height: 2rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(184, 134, 11, 0.55);
  border-radius: 50%;
  font-family: var(--font-headings);
  font-size: 0.8125rem;
  color: var(--accent-gold);
}

.page-faq .faq-item__text {
  flex: 1;
  line-height: 1.5;
}

.page-faq .faq-item__mark {
  flex: 0 0 auto;
  width: 0.55rem;
  height: 0.55rem;
  border-right: 2px solid var(--accent-blue);
  border-bottom: 2px solid var(--accent-blue);
  transform: rotate(45deg);
  transition: transform 0.25s ease;
  margin-top: -0.25rem;
}

.page-faq .faq-item[open] .faq-item__mark {
  transform: rotate(225deg) translate(2px, -2px);
}

.page-faq .faq-item__a {
  padding: 0.25rem 1.25rem 1.25rem 3.85rem;
  color: var(--ink-soft);
  font-size: 0.9375rem;
  line-height: 1.75;
}

.page-faq .faq-item__a p {
  margin: 0 0 0.5rem;
}

.page-faq .faq-item__a p:last-child {
  margin-bottom: 0;
}

/* ===== 热门问题 ===== */
.page-faq .faq-hot {
  padding: 2rem 0 3rem;
}

.page-faq .faq-hot__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-top: 2rem;
}

.page-faq .faq-hot__card {
  background: var(--paper-light);
  border: 1px solid var(--line-light);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.page-faq .faq-hot__card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.page-faq .faq-hot__card--highlight {
  background: var(--accent-blue);
  border-color: var(--accent-blue);
  color: #fff;
}

.page-faq .faq-hot__card--highlight .faq-hot__num {
  color: var(--faq-gold-soft);
}

.page-faq .faq-hot__card--highlight .faq-hot__title,
.page-faq .faq-hot__card--highlight .faq-hot__text {
  color: #fff;
}

.page-faq .faq-hot__card--highlight .faq-hot__link {
  color: #fff;
  border-bottom-color: rgba(255, 255, 255, 0.55);
}

.page-faq .faq-hot__num {
  display: block;
  font-family: var(--font-headings);
  font-size: 1.375rem;
  color: var(--accent-gold);
  margin-bottom: 0.5rem;
}

.page-faq .faq-hot__title {
  font-family: var(--font-headings);
  font-size: 1.25rem;
  line-height: 1.35;
  color: var(--ink);
  margin: 0 0 0.75rem;
}

.page-faq .faq-hot__text {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--ink-soft);
  margin: 0 0 1rem;
}

.page-faq .faq-hot__link {
  display: inline-block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent-blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 71, 160, 0.3);
  padding-bottom: 0.15rem;
  transition: border-color 0.2s ease;
}

.page-faq .faq-hot__link:hover {
  border-color: var(--accent-blue);
}

/* ===== 联系客服 ===== */
.page-faq .faq-help {
  padding: 0 0 4rem;
}

.page-faq .faq-help__card {
  background: linear-gradient(120deg, var(--accent-blue) 0%, var(--faq-navy) 75%);
  border-radius: var(--radius-md);
  padding: 2rem 1.5rem;
  color: #fff;
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  align-items: flex-start;
  position: relative;
  overflow: hidden;
}

.page-faq .faq-help__card::after {
  content: "";
  position: absolute;
  right: -40px;
  top: -40px;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  border: 24px solid rgba(255, 255, 255, 0.06);
}

.page-faq .faq-help__content {
  position: relative;
  z-index: 1;
}

.page-faq .faq-help__eyebrow {
  font-size: 0.8125rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.65);
  margin: 0 0 0.5rem;
}

.page-faq .faq-help h2 {
  font-family: var(--font-headings);
  font-size: 1.75rem;
  line-height: 1.3;
  margin: 0 0 0.75rem;
}

.page-faq .faq-help p {
  color: rgba(255, 255, 255, 0.88);
  line-height: 1.75;
  font-size: 0.9375rem;
  margin: 0 0 1rem;
  max-width: 46rem;
}

.page-faq .faq-help__contact {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.4rem;
  font-size: 0.9375rem;
}

.page-faq .faq-help__contact li {
  position: relative;
  padding-left: 1.25rem;
}

.page-faq .faq-help__contact li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--faq-gold-soft);
}

.page-faq .faq-help__btn {
  position: relative;
  z-index: 1;
  background: #fff;
  color: var(--accent-blue);
  border-radius: 999px;
  font-weight: 600;
  text-decoration: none;
  padding: 0.75rem 1.6rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.page-faq .faq-help__btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.18);
}

/* ===== 桌面端布局 ===== */
@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding: 3.5rem 0 4.5rem;
  }

  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: 3.5rem;
  }

  .page-faq .faq-hero h1 {
    font-size: 3.25rem;
  }

  .page-faq .faq-layout {
    grid-template-columns: 14rem minmax(0, 1fr);
    gap: 3rem;
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--header-h) + 2rem);
    display: block;
  }

  .page-faq .faq-index__list {
    flex-direction: column;
    gap: 0;
  }

  .page-faq .faq-index__link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-radius: 0;
    border: 0;
    border-bottom: 1px solid var(--line-light);
    background: transparent;
    padding: 0.7rem 0.25rem;
  }

  .page-faq .faq-index__link::after {
    content: "";
    width: 0.45rem;
    height: 0.45rem;
    border-right: 1.5px solid var(--accent-blue);
    border-bottom: 1.5px solid var(--accent-blue);
    transform: rotate(-45deg);
    opacity: 0.55;
  }

  .page-faq .faq-index__link:hover,
  .page-faq .faq-index__link:focus-visible {
    background: transparent;
    color: var(--accent-blue);
  }

  .page-faq .faq-hot__grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
  }

  .page-faq .faq-help__card {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 2.75rem 3rem;
  }

  .page-faq .faq-help__content {
    max-width: 62%;
  }

  .page-faq .faq-help h2 {
    font-size: 2rem;
  }
}