.page-faq {
  background: var(--cream);
  color: var(--ink);
  overflow-x: hidden;
}

.page-faq .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: 26px 0 0;
  background:
    radial-gradient(70% 120% at 12% 0%, rgba(52, 224, 192, 0.16), transparent 62%),
    radial-gradient(60% 110% at 92% 8%, rgba(255, 122, 41, 0.14), transparent 60%),
    linear-gradient(164deg, var(--night) 0%, var(--night-deep) 78%);
  color: var(--cream);
  overflow: hidden;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: var(--hairline);
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
  max-width: 760px;
  padding-bottom: 28px;
}

.page-faq .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--steel);
}

.page-faq .crumbs a {
  color: var(--mint);
  text-decoration: none;
}

.page-faq .crumbs a:hover,
.page-faq .crumbs a:focus-visible {
  text-decoration: underline;
}

.page-faq .faq-hero .eyebrow {
  display: block;
  margin: 22px 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--mint);
  text-transform: uppercase;
}

.page-faq .faq-hero h1 {
  margin: 0 0 16px;
  font-family: var(--font-narrow);
  font-weight: 800;
  font-size: clamp(30px, 7vw, 58px);
  line-height: 1.12;
  letter-spacing: -0.015em;
  color: var(--cream);
}

.page-faq .faq-hero .lede {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(245, 239, 226, 0.86);
}

.page-faq .faq-hero__meta {
  margin: 20px 0 0;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--lamp);
}

.page-faq .faq-hero__media {
  position: relative;
  z-index: 1;
  margin: 8px auto 0;
  max-width: 1400px;
  padding: 0 20px 24px;
}

.page-faq .media__frame {
  overflow: hidden;
  border-radius: var(--radius);
  background: rgba(6, 20, 18, 0.6);
}

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

.page-faq .media__caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--steel);
}

/* ---------- 顶部索引条 ---------- */
.page-faq .faq-jump {
  position: sticky;
  top: var(--header-h);
  z-index: 6;
  background: var(--charcoal);
  border-bottom: 1px solid var(--hairline);
}

.page-faq .faq-jump__list {
  display: flex;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

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

.page-faq .faq-jump__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 16px;
  white-space: nowrap;
  font-size: 14px;
  text-decoration: none;
  color: rgba(245, 239, 226, 0.72);
  border-bottom: 2px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .faq-jump__link:hover,
.page-faq .faq-jump__link:focus-visible {
  color: var(--cream);
}

.page-faq .faq-jump__link.is-active {
  color: var(--mint);
  border-bottom-color: var(--mint);
}

.page-faq .faq-jump__num {
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--steel);
}

.page-faq .faq-jump__link.is-active .faq-jump__num {
  color: var(--mint);
}

/* ---------- 分组 ---------- */
.page-faq .faq-group {
  padding: 44px 0 52px;
  border-top: 1px solid var(--hairline);
  scroll-margin-top: calc(var(--header-h) + 54px);
}

.page-faq .faq-group:first-of-type {
  border-top: 0;
}

.page-faq .faq-group--paper {
  background: var(--cream);
  color: var(--ink);
}

.page-faq .faq-group--tint {
  background: var(--cream-dim);
  color: var(--ink);
}

.page-faq .faq-group--dark {
  background:
    radial-gradient(80% 120% at 88% 0%, rgba(52, 224, 192, 0.12), transparent 60%),
    linear-gradient(180deg, var(--charcoal) 0%, var(--night) 100%);
  color: var(--cream);
}

.page-faq .faq-group__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}

.page-faq .faq-group__title-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid currentColor;
}

.page-faq .faq-group__title-row h2 {
  margin: 0;
  font-family: var(--font-narrow);
  font-weight: 800;
  font-size: clamp(21px, 4.4vw, 30px);
  letter-spacing: -0.01em;
  line-height: 1.2;
}

.page-faq .faq-group__idx {
  flex: none;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--orange);
}

.page-faq .faq-group--dark .faq-group__idx {
  color: var(--lamp);
}

.page-faq .faq-group__note {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(36, 28, 22, 0.74);
}

.page-faq .faq-group--dark .faq-group__note {
  color: rgba(245, 239, 226, 0.74);
}

.page-faq .faq-group__media {
  margin: 20px 0 0;
}

.page-faq .faq-group__media .media__frame {
  border-radius: var(--radius-sm);
}

.page-faq .faq-group--tint .media__caption,
.page-faq .faq-group--paper .media__caption {
  color: rgba(36, 28, 22, 0.6);
}

/* ---------- 手风琴 ---------- */
.page-faq .faq {
  display: block;
  border-top: 1px solid var(--hairline);
}

.page-faq .faq__item {
  position: relative;
  border-bottom: 1px solid var(--hairline);
}

.page-faq .faq__item[open]::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 3px;
  border-radius: 2px;
  background: var(--mint);
}

.page-faq .faq__q {
  position: relative;
  display: block;
  padding: 17px 44px 17px 16px;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-narrow);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.5;
  color: var(--ink);
  transition: color 0.2s var(--ease);
}

.page-faq .faq-group--dark .faq__q {
  color: var(--cream);
}

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

.page-faq .faq__q::after {
  content: "+";
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--mint-deep);
}

.page-faq .faq-group--dark .faq__q::after {
  color: var(--mint);
}

.page-faq .faq__item[open] .faq__q::after {
  content: "\2212";
}

.page-faq .faq__q:hover {
  color: var(--mint-deep);
}

.page-faq .faq-group--dark .faq__q:hover {
  color: var(--mint);
}

.page-faq .faq__q:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: -2px;
}

.page-faq .faq__a {
  padding: 0 44px 20px 16px;
  font-size: 16px;
  line-height: 1.78;
  color: rgba(36, 28, 22, 0.82);
}

.page-faq .faq-group--dark .faq__a {
  color: rgba(245, 239, 226, 0.84);
}

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

.page-faq .faq__a a {
  color: var(--mint-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-group--dark .faq__a a {
  color: var(--mint);
}

/* ---------- 客服信息块 ---------- */
.page-faq .faq-contact {
  margin-top: 18px;
  padding: 16px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(52, 224, 192, 0.28);
}

.page-faq .faq-contact__item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 10px 0;
  border-bottom: 1px dashed rgba(152, 164, 169, 0.32);
}

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

.page-faq .faq-contact__item:first-child {
  padding-top: 0;
}

.page-faq .faq-contact__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--steel);
}

.page-faq .faq-contact__value {
  font-size: 15px;
  line-height: 1.5;
  word-break: break-word;
  color: var(--cream);
}

.page-faq .faq-cta {
  margin: 20px 0 0;
}

.page-faq .faq-cta .btn {
  display: inline-block;
  text-decoration: none;
}

/* ---------- 桌面布局 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-hero {
    padding-top: 40px;
  }

  .page-faq .faq-hero__media {
    padding: 0 32px 32px;
  }

  .page-faq .faq-group {
    padding: 60px 0 68px;
  }

  .page-faq .faq-jump__link {
    padding: 15px 22px;
    font-size: 14.5px;
  }
}

@media (min-width: 980px) {
  .page-faq .faq-group__inner {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    align-items: start;
    gap: 44px 56px;
  }

  .page-faq .faq-group__head {
    position: sticky;
    top: calc(var(--header-h) + 76px);
  }

  .page-faq .faq__q {
    font-size: 18px;
    padding: 20px 52px 20px 20px;
  }

  .page-faq .faq__a {
    padding: 0 52px 24px 20px;
  }

  .page-faq .faq__item[open]::before {
    left: 0;
    top: 12px;
    bottom: 12px;
  }

  .page-faq .faq-contact {
    padding: 20px;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-hero__inner {
    max-width: 820px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq__q,
  .page-faq .faq-jump__link {
    transition: none;
  }
}