.page-faq {
  --faq-sidebar-width: 320px;
  --faq-border: #E1E8F0;
  background: var(--color-gray);
}

/* ===== 首屏 Hero ===== */
.page-faq__hero {
  background: var(--color-primary);
  padding: 34px 0 48px;
  position: relative;
  overflow: hidden;
}

.page-faq__hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 44px 44px;
  pointer-events: none;
}

.page-faq__hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--color-gold) 0 320px, var(--color-line) 320px);
  pointer-events: none;
}

.page-faq__hero-inner {
  position: relative;
  z-index: 1;
}

.page-faq__hero .breadcrumbs {
  margin-bottom: 30px;
}

.page-faq__kicker {
  font-family: var(--font-heading);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 10px;
}

.page-faq__hero h1 {
  font-family: var(--font-heading);
  font-size: 2.1rem;
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-white);
  margin: 0 0 14px;
}

.page-faq__hero-desc {
  color: var(--color-muted);
  max-width: 700px;
  font-size: 1.02rem;
  line-height: 1.85;
  margin-bottom: 30px;
}

/* 搜索框 */
.page-faq__search {
  display: flex;
  align-items: center;
  gap: 10px;
  max-width: 720px;
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-bottom: 3px solid var(--color-gold);
  padding: 6px 8px 6px 16px;
}

.page-faq__search-icon {
  width: 14px;
  height: 14px;
  border: 2px solid var(--color-primary);
  border-radius: 0;
  position: relative;
  flex-shrink: 0;
}

.page-faq__search-icon::after {
  content: "";
  position: absolute;
  right: -6px;
  bottom: -4px;
  width: 6px;
  height: 2px;
  background: var(--color-primary);
  transform: rotate(45deg);
}

.page-faq__search-label {
  font-family: var(--font-heading);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--color-primary);
  white-space: nowrap;
}

.page-faq__search-input {
  flex: 1;
  min-width: 0;
  border: 0;
  background: transparent;
  padding: 12px 6px;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-text);
  outline: none;
}

.page-faq__search-input::placeholder {
  color: var(--color-muted);
  opacity: 0.8;
}

.page-faq__search-empty {
  display: none;
  max-width: 720px;
  margin: 14px 0 0;
  padding: 12px 16px;
  background: rgba(230, 57, 70, 0.12);
  border-left: 3px solid var(--color-red);
  color: #FFD9DC;
  font-size: 0.92rem;
  line-height: 1.6;
}

/* ===== 主体布局 ===== */
.page-faq__body {
  padding: 48px 0 64px;
}

.page-faq__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 36px;
}

/* 侧边栏 */
.page-faq__sidebar-inner {
  background: var(--color-primary);
  border-top: 3px solid var(--color-gold);
  padding: 26px 22px;
  color: var(--color-white);
  position: relative;
}

.page-faq__sidebar-kicker {
  font-family: var(--font-heading);
  font-size: 0.74rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 6px;
}

.page-faq__sidebar-title {
  font-family: var(--font-heading);
  font-size: 1.45rem;
  font-weight: 700;
  margin: 0 0 16px;
  color: var(--color-white);
}

.page-faq__category-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-faq__category-link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 11px 14px;
  color: var(--color-muted);
  border-left: 2px solid var(--color-line);
  font-family: var(--font-heading);
  font-weight: 450;
  font-size: 0.98rem;
  text-decoration: none;
  transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.page-faq__category-link:hover,
.page-faq__category-link:focus-visible {
  background: rgba(212, 175, 55, 0.1);
  color: var(--color-gold);
  border-left-color: var(--color-gold);
  outline: none;
}

.page-faq__category-count {
  font-size: 0.72rem;
  background: rgba(212, 175, 55, 0.16);
  color: var(--color-gold-light);
  padding: 2px 8px;
  line-height: 1.5;
}

.page-faq__help-card {
  margin-top: 26px;
  border: 1px solid var(--color-line);
  padding: 16px;
  background: rgba(255, 255, 255, 0.03);
}

.page-faq__help-card-img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--color-line);
  margin-bottom: 14px;
}

.page-faq__help-card-title {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 6px;
}

.page-faq__help-card-desc {
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--color-muted);
  margin-bottom: 14px;
}

.page-faq__help-card-btn {
  display: inline-block;
}

.page-faq__services-link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 18px;
  padding: 12px 2px;
  border-bottom: 1px solid var(--color-gold);
  color: var(--color-gold-light);
  font-family: var(--font-heading);
  font-size: 0.9rem;
  text-decoration: none;
  transition: color 0.18s ease;
}

.page-faq__services-link:hover,
.page-faq__services-link:focus-visible {
  color: var(--color-white);
  outline: none;
}

.page-faq__services-arrow {
  font-size: 1.05rem;
}

/* 右侧问题列表 */
.page-faq__list {
  display: flex;
  flex-direction: column;
  gap: 40px;
  min-width: 0;
}

.page-faq__group {
  scroll-margin-top: calc(var(--header-height) + 24px);
}

.page-faq__group-title {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-heading);
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: 0 0 12px;
}

.page-faq__group-num {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-gold-dark);
  background: var(--color-white);
  border: 1px solid var(--color-line);
  padding: 4px 10px;
  line-height: 1.2;
}

.page-faq__group-name {
  letter-spacing: 0.02em;
}

.page-faq__group-divider {
  height: 3px;
  background: linear-gradient(90deg, var(--color-gold) 0 96px, var(--color-line) 96px);
  margin-bottom: 18px;
}

/* 手风琴条目 */
.page-faq__item {
  background: var(--color-white);
  border: 1px solid var(--faq-border);
  border-left: 3px solid var(--color-gold);
  margin-bottom: 10px;
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

.page-faq__item[open] {
  border-left-color: var(--color-primary);
  box-shadow: 0 3px 14px rgba(5, 14, 29, 0.08);
}

.page-faq__question {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 0.98rem;
  line-height: 1.45;
  color: var(--color-primary);
  user-select: none;
}

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

.page-faq__question:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: -2px;
}

.page-faq__q-number {
  font-family: var(--font-heading);
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--color-gold-dark);
  border: 1px solid var(--color-gold);
  min-width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
  flex-shrink: 0;
}

.page-faq__q-text {
  flex: 1;
}

.page-faq__q-icon {
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--color-primary);
  border-bottom: 2px solid var(--color-primary);
  transform: rotate(45deg);
  transition: transform 0.2s ease;
  flex-shrink: 0;
  margin-top: -4px;
}

.page-faq__item[open] .page-faq__q-icon {
  transform: rotate(225deg);
  margin-top: 4px;
}

.page-faq__answer {
  padding: 0 18px 16px 56px;
  color: var(--color-text);
  font-size: 0.94rem;
  line-height: 1.8;
}

.page-faq__answer p {
  margin: 0;
}

/* ===== 数据信任区 ===== */
.page-faq__trust {
  background: var(--color-white);
  padding: 56px 0;
  border-top: 1px solid var(--color-line);
}

.page-faq__trust-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 36px;
}

.page-faq__trust-content h2 {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: 0 0 14px;
}

.page-faq__trust-content > p {
  color: var(--color-text);
  line-height: 1.8;
  font-size: 1rem;
  margin-bottom: 22px;
}

.page-faq__trust-list {
  list-style: none;
  padding: 0;
  margin: 0 0 26px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.page-faq__trust-list li {
  border: 1px solid var(--color-line);
  border-top: 2px solid var(--color-gold);
  padding: 14px 12px;
  font-family: var(--font-heading);
  font-size: 0.88rem;
  font-weight: 450;
  color: var(--color-primary);
  background: var(--color-gray);
}

.page-faq__trust-list li span {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 2px;
}

.page-faq__trust-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--color-line);
}

.page-faq__trust-caption {
  margin-top: 12px;
  color: var(--color-muted);
  font-size: 0.82rem;
  text-align: center;
}

/* ===== 底部引导 ===== */
.page-faq__bottom {
  background: var(--color-primary-dark);
  padding: 40px 0;
}

.page-faq__bottom-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  text-align: center;
}

.page-faq__bottom-text {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--color-white);
  margin: 0;
}

@media (min-width: 640px) {
  .page-faq__hero h1 {
    font-size: 2.6rem;
  }

  .page-faq__trust-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq__bottom-inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

@media (min-width: 960px) {
  .page-faq__hero {
    padding: 46px 0 60px;
  }

  .page-faq__hero h1 {
    font-size: 3rem;
    max-width: 760px;
  }

  .page-faq__hero-desc {
    font-size: 1.1rem;
  }

  .page-faq__body {
    padding: 60px 0 80px;
  }

  .page-faq__layout {
    grid-template-columns: var(--faq-sidebar-width) minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }

  .page-faq__sidebar-inner {
    position: sticky;
    top: calc(var(--header-height) + 24px);
    padding: 30px 26px;
  }

  .page-faq__list {
    gap: 48px;
  }

  .page-faq__group-title {
    font-size: 1.55rem;
  }

  .page-faq__question {
    font-size: 1.04rem;
    padding: 17px 20px;
  }

  .page-faq__answer {
    font-size: 0.96rem;
  }

  .page-faq__trust-grid {
    grid-template-columns: 7fr 5fr;
    gap: 60px;
    align-items: center;
  }

  .page-faq__trust-content h2 {
    font-size: 2rem;
  }

  .page-faq__trust-caption {
    text-align: left;
  }
}