.page-faq {
  --faq-hair: rgba(22, 55, 92, 0.85);
  --faq-hair-soft: rgba(143, 169, 200, 0.22);
  --faq-panel: rgba(12, 32, 58, 0.72);
  position: relative;
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(100px, 13vw, 164px) 0 clamp(40px, 6vw, 76px);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 84% 8%, rgba(138, 107, 255, 0.18), transparent 56%),
    radial-gradient(circle at 10% 86%, rgba(255, 106, 24, 0.14), transparent 58%);
}

.page-faq .faq-hero .tk-breadcrumb {
  position: relative;
  margin-bottom: clamp(24px, 3.5vw, 44px);
}

.page-faq .faq-hero__grid {
  position: relative;
  display: grid;
  gap: clamp(32px, 5vw, 64px);
  align-items: center;
}

.page-faq .faq-hero__title {
  font-size: clamp(2rem, 5vw, 3.4rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 10px 0 20px;
  max-width: 20ch;
}

.page-faq .faq-hero__lead {
  margin: 0 0 24px;
  color: var(--c-body);
  max-width: 58ch;
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq .faq-hero__media {
  position: relative;
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--faq-hair-soft);
  background: linear-gradient(150deg, var(--c-700), var(--c-950));
  aspect-ratio: 3 / 2;
}

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

.page-faq .faq-hero__media::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--c-orange), rgba(255, 106, 24, 0) 72%);
}

/* ---------- 移动端吸顶标签条 ---------- */
.page-faq .faq-tabs {
  position: sticky;
  top: var(--header-h);
  z-index: 20;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 12px var(--gutter);
  background: rgba(5, 16, 31, 0.94);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--faq-hair);
  border-bottom: 1px solid var(--faq-hair);
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-tabs::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-tabs .tk-pill {
  flex: 0 0 auto;
  text-decoration: none;
  white-space: nowrap;
}

/* ---------- 主体分屏 ---------- */
.page-faq .faq-grid {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
}

.page-faq .faq-index {
  display: none;
}

/* ---------- 问题卡片 ---------- */
.page-faq .faq-answers {
  min-width: 0;
}

.page-faq .faq-group {
  scroll-margin-top: calc(var(--header-h) + 88px);
  padding-bottom: clamp(36px, 4.6vw, 60px);
  margin-bottom: clamp(36px, 4.6vw, 60px);
  border-bottom: 1px solid var(--faq-hair);
}

.page-faq .faq-group:last-child {
  border-bottom: 0;
  margin-bottom: 0;
  padding-bottom: 0;
}

.page-faq .faq-group__head {
  display: grid;
  gap: 6px;
  margin-bottom: 22px;
}

.page-faq .faq-group__num {
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  color: var(--c-orange);
  transition: color 200ms var(--ease);
}

.page-faq .faq-group__title {
  margin: 0;
  font-size: clamp(1.3rem, 2.6vw, 1.85rem);
  line-height: 1.3;
  transition: color 200ms var(--ease);
}

.page-faq .faq-group__summary {
  margin: 0;
  font-size: 0.88rem;
  color: var(--c-grey);
}

.page-faq .faq-group:target .faq-group__title {
  color: var(--c-orange-2);
}

.page-faq .faq-group:target .faq-group__num {
  color: var(--c-orange-2);
}

.page-faq .faq-group__figure {
  margin: 0 0 22px;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--faq-hair);
  background: var(--c-700);
  max-width: 100%;
}

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

/* ---------- 可展开问答 ---------- */
.page-faq .faq-item {
  border: 1px solid var(--faq-hair);
  border-radius: var(--radius-md);
  background: linear-gradient(160deg, var(--faq-panel), rgba(5, 16, 31, 0.72));
  margin-bottom: 10px;
  overflow: hidden;
  transition: border-color 200ms var(--ease), background-color 200ms var(--ease);
}

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

.page-faq .faq-item[open] {
  border-color: rgba(255, 106, 24, 0.55);
  background: linear-gradient(160deg, rgba(12, 32, 58, 0.94), rgba(5, 16, 31, 0.86));
}

.page-faq .faq-item__q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 52px;
  padding: 15px 18px;
  cursor: pointer;
  list-style: none;
  color: var(--c-white);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.5;
}

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

.page-faq .faq-item__q:focus-visible {
  outline: 2px solid var(--c-orange);
  outline-offset: -4px;
  border-radius: var(--radius-md);
}

.page-faq .faq-item__icon {
  position: relative;
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 1px solid rgba(143, 169, 200, 0.5);
  color: var(--c-grey);
  transition: transform 220ms var(--ease), border-color 220ms var(--ease),
    background-color 220ms var(--ease), color 220ms var(--ease);
}

.page-faq .faq-item__icon::before,
.page-faq .faq-item__icon::after {
  content: "";
  position: absolute;
  left: 5px;
  right: 5px;
  top: 50%;
  height: 1.5px;
  border-radius: 2px;
  background: currentColor;
  transform: translateY(-50%);
}

.page-faq .faq-item__icon::after {
  transform: translateY(-50%) rotate(90deg);
  transition: transform 220ms var(--ease), opacity 220ms var(--ease);
}

.page-faq .faq-item[open] .faq-item__icon {
  color: var(--c-orange);
  border-color: var(--c-orange);
  background: rgba(255, 106, 24, 0.14);
  transform: rotate(180deg);
}

.page-faq .faq-item[open] .faq-item__icon::after {
  transform: translateY(-50%) rotate(0deg);
  opacity: 0;
}

.page-faq .faq-item__a {
  padding: 0 18px 18px;
  color: var(--c-body);
  font-size: 0.95rem;
  line-height: 1.78;
  max-width: 64ch;
}

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

.page-faq .faq-item[open] .faq-item__a {
  animation: faqReveal 220ms var(--ease);
}

@keyframes faqReveal {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 联系块 ---------- */
.page-faq .faq-contact {
  margin-top: clamp(44px, 5.5vw, 76px);
  padding: clamp(26px, 4vw, 46px);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 106, 24, 0.32);
  background:
    linear-gradient(140deg, rgba(12, 32, 58, 0.94), rgba(5, 16, 31, 0.92));
  display: grid;
  gap: 24px;
  position: relative;
  overflow: hidden;
}

.page-faq .faq-contact::before {
  content: "";
  position: absolute;
  top: -40%;
  right: -12%;
  width: 46%;
  height: 180%;
  background: linear-gradient(90deg, rgba(255, 106, 24, 0.14), transparent);
  transform: rotate(-6deg);
  pointer-events: none;
}

.page-faq .faq-contact__title {
  margin: 0 0 12px;
  font-size: clamp(1.25rem, 2.4vw, 1.7rem);
}

.page-faq .faq-contact__copy .tk-prose {
  margin: 0;
  color: var(--c-body);
}

.page-faq .faq-contact__addr {
  margin: 12px 0 0;
  font-size: 0.88rem;
  color: var(--c-grey);
}

.page-faq .faq-contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  position: relative;
}

/* ---------- 相关栏目 ---------- */
.page-faq .faq-related {
  margin-top: clamp(36px, 4.5vw, 60px);
  padding-top: 22px;
  border-top: 1px solid var(--faq-hair);
}

.page-faq .faq-related__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-related__list a {
  display: inline-block;
  color: var(--c-body);
  text-decoration: none;
  font-size: 0.94rem;
  padding: 6px 0;
  border-bottom: 1px solid transparent;
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-faq .faq-related__list a:hover,
.page-faq .faq-related__list a:focus-visible {
  color: var(--c-orange-2);
  border-bottom-color: var(--c-orange);
}

/* ---------- 桌面 ---------- */
@media (min-width: 920px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    align-items: center;
    column-gap: clamp(48px, 5.5vw, 88px);
  }

  .page-faq .faq-contact {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    align-items: center;
  }

  .page-faq .faq-contact__actions {
    justify-content: flex-end;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-tabs {
    display: none;
  }

  .page-faq .faq-grid {
    grid-template-columns: minmax(200px, 30%) minmax(0, 70%);
    column-gap: clamp(40px, 5vw, 80px);
    align-items: start;
  }

  .page-faq .faq-index {
    display: block;
    position: sticky;
    top: calc(var(--header-h) + 32px);
  }

  .page-faq .faq-index__list {
    list-style: none;
    margin: 14px 0 0;
    padding: 0;
    display: grid;
    gap: 2px;
    counter-reset: faq-index;
  }

  .page-faq .faq-index__list a {
    display: flex;
    align-items: baseline;
    gap: 12px;
    padding: 9px 12px;
    border-radius: var(--radius-sm);
    border-left: 2px solid transparent;
    color: var(--c-grey);
    text-decoration: none;
    font-size: 0.9rem;
    line-height: 1.5;
    transition: color 180ms var(--ease), background-color 180ms var(--ease),
      border-color 180ms var(--ease);
  }

  .page-faq .faq-index__list a:hover,
  .page-faq .faq-index__list a:focus-visible {
    color: var(--c-white);
    background: rgba(22, 55, 92, 0.55);
    border-left-color: var(--c-orange);
  }

  .page-faq .faq-index__num {
    font-size: 0.7rem;
    letter-spacing: 0.12em;
    color: var(--c-orange);
    flex: 0 0 auto;
  }

  .page-faq .faq-group__figure {
    max-width: 260px;
    float: right;
    margin: 0 0 18px 24px;
  }
}

@media (max-width: 700px) {
  .page-faq .faq-hero {
    padding-top: clamp(88px, 22vw, 120px);
  }

  .page-faq .faq-hero__title {
    font-size: clamp(1.7rem, 7.4vw, 2.2rem);
    max-width: none;
  }

  .page-faq .faq-item__q {
    padding: 14px 15px;
    font-size: 0.95rem;
  }

  .page-faq .faq-item__a {
    padding: 0 15px 16px;
    font-size: 0.92rem;
  }

  .page-faq .faq-contact__actions .tk-btn {
    flex: 1 1 auto;
    justify-content: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item[open] .faq-item__a {
    animation: none;
  }

  .page-faq .faq-item,
  .page-faq .faq-item__icon,
  .page-faq .faq-item__icon::after,
  .page-faq .faq-index__list a {
    transition: none;
  }
}