.page-faq {
  --faq-sticky: 104px;
  background: var(--sky-deep);
  color: var(--paper);
}

/* 首屏 */
.page-faq .faq-hero {
  position: relative;
  padding-top: clamp(24px, 4vw, 48px);
  background:
    radial-gradient(ellipse at 82% 6%, rgba(47, 128, 237, 0.24), transparent 58%),
    radial-gradient(ellipse at 8% 0%, rgba(245, 197, 66, 0.13), transparent 52%),
    var(--sky-deep);
}
.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: min(520px, 68%);
  pointer-events: none;
  background-image:
    radial-gradient(circle, rgba(244, 247, 251, 0.55) 0 1px, transparent 1.4px),
    radial-gradient(circle, rgba(245, 197, 66, 0.5) 0 1px, transparent 1.4px);
  background-size: 96px 96px, 172px 172px;
  background-position: 0 0, 44px 62px;
  opacity: 0.5;
  -webkit-mask-image: linear-gradient(180deg, #000 34%, transparent 100%);
  mask-image: linear-gradient(180deg, #000 34%, transparent 100%);
}
.page-faq .faq-hero > .shell {
  position: relative;
  z-index: 1;
}
.page-faq .breadcrumbs {
  margin-bottom: clamp(20px, 3vw, 36px);
}
.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  padding-bottom: clamp(32px, 5vw, 60px);
}
.page-faq .faq-hero__title {
  margin: 12px 0 20px;
  line-height: 0.98;
  letter-spacing: -0.012em;
}
.page-faq .faq-hero__lead-text {
  max-width: 620px;
  margin: 0;
  color: var(--wash);
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.8;
}
.page-faq .faq-hero__index {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 28px 0 0;
  padding: 0;
}
.page-faq .faq-chip {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(19, 44, 79, 0.6);
  color: var(--paper);
  font-size: 15px;
  text-decoration: none;
  transition: border-color 0.25s var(--ease), color 0.25s var(--ease),
    background-color 0.25s var(--ease);
}
.page-faq .faq-chip:hover,
.page-faq .faq-chip:focus-visible {
  border-color: var(--gold);
  background: rgba(19, 44, 79, 0.95);
  color: var(--gold-soft);
}
.page-faq .faq-hero__aside,
.page-faq .faq-hero__ray {
  display: none;
}
.page-faq .faq-hero__figure {
  position: relative;
  z-index: 1;
  margin: 0;
}
.page-faq .faq-hero__figure .media-frame {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
.page-faq .faq-hero__figure .media-frame__img {
  display: block;
  width: 100%;
  height: clamp(190px, 32vw, 360px);
  object-fit: cover;
}

/* 快速答案浅底横带 */
.page-faq .faq-quick {
  padding-block: clamp(44px, 6vw, 92px);
  background: var(--wash);
  color: var(--sky-deep);
}
.page-faq .faq-quick__head {
  max-width: 660px;
}
.page-faq .faq-quick__head .eyebrow {
  color: #3a5a80;
}
.page-faq .faq-quick__head .section-title {
  margin: 10px 0 14px;
  color: var(--sky-deep);
}
.page-faq .faq-quick__intro {
  margin: 0;
  color: #24405f;
  font-size: 16px;
  line-height: 1.8;
}
.page-faq .faq-quick__list {
  list-style: none;
  margin: clamp(26px, 4vw, 44px) 0 0;
  padding: 0;
  border-top: 1px solid rgba(11, 31, 58, 0.22);
}
.page-faq .faq-quick__item {
  display: grid;
  gap: 14px;
  padding: 22px 0;
  border-bottom: 1px solid rgba(11, 31, 58, 0.22);
}
.page-faq .faq-quick__item .tag {
  justify-self: start;
}
.page-faq .faq-quick__text h3 {
  margin: 0 0 8px;
  font-size: clamp(19px, 2.2vw, 24px);
  line-height: 1.4;
  font-weight: 700;
  color: var(--sky-deep);
}
.page-faq .faq-quick__text p {
  margin: 0;
  color: #24405f;
  font-size: 16px;
  line-height: 1.78;
}
.page-faq .faq-quick__more {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  align-self: start;
  justify-self: start;
  color: var(--sky-deep);
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid var(--gold);
  transition: color 0.2s var(--ease);
}
.page-faq .faq-quick__more:hover,
.page-faq .faq-quick__more:focus-visible {
  color: #b8860b;
}

/* 问答主体 */
.page-faq .faq-body {
  padding-block: clamp(44px, 6vw, 100px);
  background: var(--sky-deep);
}
.page-faq .faq-body__grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
}
.page-faq .faq-toc {
  border-top: 1px solid var(--line);
  padding-top: 16px;
}
.page-faq .faq-toc__title {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--mist);
}
.page-faq .faq-toc__list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
}
.page-faq .faq-toc__list a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--wash);
  font-size: 15px;
  text-decoration: none;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}
.page-faq .faq-toc__list a span {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gold);
}
.page-faq .faq-toc__list a[aria-current="true"] {
  color: var(--gold);
  border-color: var(--gold);
}
.page-faq .faq-group + .faq-group {
  margin-top: clamp(40px, 6vw, 76px);
}
.page-faq .faq-group__head {
  max-width: 680px;
}
.page-faq .faq-group__head .eyebrow {
  color: var(--gold);
}
.page-faq .faq-group__head .section-title {
  margin: 10px 0 14px;
}
.page-faq .faq-group__intro {
  margin: 0;
  color: var(--mist);
  font-size: 16px;
  line-height: 1.8;
}
.page-faq .faq-group__items {
  margin-top: clamp(20px, 3vw, 32px);
  border-bottom: 1px solid var(--line);
}

/* 手风琴 */
.page-faq .qa {
  border-top: 1px solid var(--line);
}
.page-faq .qa summary {
  list-style: none;
  cursor: pointer;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 30px;
  align-items: center;
  gap: 14px;
  min-height: 64px;
  padding: 16px 0;
  transition: color 0.2s var(--ease);
}
.page-faq .qa summary::-webkit-details-marker {
  display: none;
}
.page-faq .qa summary:hover,
.page-faq .qa summary:focus-visible {
  color: var(--gold-soft);
}
.page-faq .qa summary::after {
  content: "+";
  justify-self: end;
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--gold);
  font-size: 16px;
  line-height: 1;
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease),
    border-color 0.2s var(--ease);
}
.page-faq .qa[open] summary::after {
  content: "−";
  background: var(--gold);
  border-color: var(--gold);
  color: var(--sky-deep);
}
.page-faq .qa__label {
  display: block;
}
.page-faq .qa__q {
  display: block;
  font-size: clamp(17px, 1.9vw, 20px);
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper);
}
.page-faq .qa summary:hover .qa__q,
.page-faq .qa summary:focus-visible .qa__q {
  color: var(--gold-soft);
}
.page-faq .qa__hint {
  display: block;
  margin-top: 5px;
  font-size: 13px;
  font-weight: 400;
  color: var(--mist);
}
.page-faq .qa__answer {
  padding: 0 0 24px;
}
.page-faq .qa__answer p {
  max-width: 680px;
  margin: 0 0 12px;
  color: var(--wash);
  font-size: 16px;
  line-height: 1.82;
}
.page-faq .qa__answer p:last-child {
  margin-bottom: 0;
}
.page-faq .qa__answer a {
  color: var(--gold-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-faq .qa__answer a:hover,
.page-faq .qa__answer a:focus-visible {
  color: var(--gold);
}

/* 周期价格条 */
.page-faq .cycle-row {
  list-style: none;
  display: grid;
  gap: 1px;
  margin: 18px 0 4px;
  padding: 0;
  background: var(--line);
  border: 1px solid var(--line);
}
.page-faq .cycle {
  display: grid;
  gap: 6px;
  padding: 16px;
  background: var(--sky-night);
  border: 0;
}
.page-faq .cycle .stat__value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(28px, 4vw, 36px);
  font-weight: 600;
  line-height: 1;
  color: var(--gold);
}
.page-faq .cycle .stat__unit {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--mist);
}
.page-faq .cycle p {
  margin: 2px 0 0;
  color: var(--wash);
  font-size: 14px;
  line-height: 1.65;
  max-width: none;
}

/* 客户端图 */
.page-faq .faq-client-figure {
  display: grid;
  gap: 14px;
  margin: clamp(20px, 3vw, 28px) 0 0;
}
.page-faq .faq-client-figure .media-frame {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 2px;
}
.page-faq .faq-client-figure .media-frame__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}
.page-faq .faq-client-figure figcaption {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  line-height: 1.7;
  color: var(--mist);
}

/* 客服 */
.page-faq .faq-support {
  margin-top: clamp(40px, 6vw, 72px);
}
.page-faq .faq-support__panel {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 4vw, 44px);
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--sky-night);
  box-shadow: var(--shadow-card);
}
.page-faq .faq-support__panel::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: linear-gradient(180deg, var(--gold), transparent 82%);
}
.page-faq .faq-support__panel .eyebrow {
  color: var(--gold);
}
.page-faq .faq-support__panel .section-title {
  margin: 10px 0 14px;
}
.page-faq .faq-support__panel > p {
  max-width: 620px;
  margin: 0;
  color: var(--wash);
  font-size: 16px;
  line-height: 1.82;
}
.page-faq .faq-support__list {
  display: grid;
  gap: 16px;
  margin: 26px 0 0;
}
.page-faq .faq-support__row {
  padding-top: 10px;
  border-top: 1px solid var(--line);
}
.page-faq .faq-support__row dt {
  margin-bottom: 6px;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--mist);
}
.page-faq .faq-support__row dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1.5;
  color: var(--paper);
  overflow-wrap: anywhere;
}
.page-faq .faq-support__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}
.page-faq .faq-support__actions .btn {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

/* 中等屏幕 */
@media (min-width: 640px) {
  .page-faq .cycle-row {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-faq .faq-support__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-faq .faq-client-figure {
    grid-template-columns: 240px minmax(0, 1fr);
    align-items: center;
    gap: 24px;
  }
  .page-faq .faq-quick__item {
    grid-template-columns: 140px minmax(0, 1fr) 150px;
    align-items: start;
    gap: 24px;
    padding: 26px 0;
  }
  .page-faq .faq-quick__more {
    justify-self: end;
    align-self: start;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: end;
  }
  .page-faq .faq-hero__aside {
    display: flex;
    align-items: flex-start;
    justify-content: flex-end;
    gap: 20px;
    align-self: end;
    padding-bottom: 8px;
  }
  .page-faq .faq-hero__aside .eyebrow--vertical {
    writing-mode: vertical-rl;
    letter-spacing: 0.28em;
    margin: 0;
    color: var(--mist);
  }
  .page-faq .faq-hero__ray {
    display: block;
    width: 2px;
    height: 170px;
    background: linear-gradient(180deg, var(--gold), transparent);
    transform: skewX(-18deg);
  }
  .page-faq .faq-body__grid {
    grid-template-columns: 236px minmax(0, 1fr);
  }
  .page-faq .faq-toc {
    position: sticky;
    top: var(--faq-sticky);
    align-self: start;
    border-top: 1px solid var(--line);
  }
  .page-faq .faq-toc__list {
    display: grid;
    gap: 2px;
  }
  .page-faq .faq-toc__list a {
    display: grid;
    grid-template-columns: 26px minmax(0, 1fr);
    gap: 10px;
    min-height: 44px;
    padding: 0 0 0 12px;
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
    color: var(--mist);
    font-size: 15px;
  }
  .page-faq .faq-toc__list a:hover,
  .page-faq .faq-toc__list a:focus-visible {
    color: var(--gold-soft);
  }
  .page-faq .faq-toc__list a[aria-current="true"] {
    color: var(--gold);
    border-left-color: var(--gold);
  }
}