.page-faq {
  --faq-answer: rgba(244, 239, 228, .76);
  --faq-rule: rgba(217, 169, 76, .22);
  --faq-rule-on: rgba(217, 169, 76, .6);
  padding-bottom: 0;
}

.page-faq .breadcrumb {
  padding-top: 18px;
  padding-bottom: 4px;
}

.page-faq [id^="group-"] {
  scroll-margin-top: calc(var(--bar-h) + 28px);
}

.page-faq a:focus-visible,
.page-faq summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 3px;
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  padding: 30px 0 48px;
  background:
    radial-gradient(90% 120% at 6% 0%, rgba(42, 211, 180, .09), transparent 58%),
    radial-gradient(70% 90% at 96% 10%, rgba(217, 169, 76, .08), transparent 62%);
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
}

.page-faq .faq-hero__kicker {
  margin: 0 0 16px;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--gold);
}

.page-faq .faq-hero h1 {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-size: clamp(34px, 7vw, 56px);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: .02em;
  color: var(--paper);
}

.page-faq .faq-hero__lead {
  max-width: 34em;
  margin: 0 0 26px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--faq-answer);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-faq .faq-hero__figure {
  margin: 0;
}

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

/* ---------- 分组索引条 ---------- */

.page-faq .faq-index {
  padding: 32px 0;
  border-top: var(--line-gold);
  border-bottom: var(--line-gold);
  background: linear-gradient(180deg, rgba(16, 49, 42, .55), rgba(11, 31, 26, 0));
}

.page-faq .faq-index__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
}

.page-faq .faq-index__art {
  margin: 0;
}

.page-faq .faq-index__art img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: var(--line-gold);
  border-radius: 4px;
}

.page-faq .faq-index__title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 800;
  letter-spacing: .02em;
  color: var(--paper);
}

.page-faq .faq-index__note {
  margin: 0 0 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

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

.page-faq .faq-index__list a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 10px 12px;
  border-left: 2px solid transparent;
  font-size: 15px;
  line-height: 1.5;
  color: var(--paper);
  text-decoration: none;
  transition: border-color .2s var(--ease), background-color .2s var(--ease), color .2s var(--ease);
}

.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  border-left-color: var(--gold);
  background: rgba(217, 169, 76, .07);
  color: var(--gold-hi);
}

.page-faq .faq-index__list .mono {
  flex: 0 0 auto;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--gold);
}

/* ---------- 问答分组 ---------- */

.page-faq .faq-group {
  padding: 44px 0 10px;
}

.page-faq .faq-group + .faq-group {
  border-top: var(--line-soft);
}

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 14px;
  align-items: baseline;
  margin-bottom: 22px;
}

.page-faq .faq-group__num {
  padding: 3px 10px;
  border: 1px solid rgba(217, 169, 76, .4);
  border-radius: 999px;
  font-size: 13px;
  line-height: 1.1;
  letter-spacing: .06em;
  color: var(--gold);
}

.page-faq .faq-group__head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: .02em;
  color: var(--paper);
}

.page-faq .faq-group__note {
  grid-column: 2;
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--mist);
}

.page-faq .faq-group__list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
}

/* ---------- 单条问答 ---------- */

.page-faq .qa {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border-left: 2px solid var(--faq-rule);
  padding-left: 16px;
  transition: border-color .2s var(--ease), background-color .2s var(--ease);
}

.page-faq .qa + .qa {
  border-top: var(--line-soft);
}

.page-faq .qa:hover {
  border-left-color: var(--faq-rule-on);
  background: rgba(217, 169, 76, .03);
}

.page-faq .qa[open] {
  border-left-color: var(--gold);
}

.page-faq .qa__q {
  position: relative;
  display: block;
  padding: 18px 32px 18px 0;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--paper);
  transition: color .2s var(--ease);
}

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

.page-faq .qa__q::marker {
  content: "";
}

.page-faq .qa__q:hover {
  color: var(--gold-hi);
}

.page-faq .qa__idx {
  display: inline-block;
  margin-right: 10px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .06em;
  color: var(--tile-2);
  vertical-align: 1px;
}

.page-faq .qa__q::after {
  content: "+";
  position: absolute;
  top: 20px;
  right: 4px;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1;
  color: var(--gold);
  transition: color .2s var(--ease);
}

.page-faq .qa[open] .qa__q::after {
  content: "−";
  color: var(--gold-hi);
}

.page-faq .qa__a {
  padding: 0 0 22px;
  max-width: 34em;
}

.page-faq .qa__a p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--faq-answer);
}

.page-faq .qa__a p + p {
  margin-top: 10px;
}

.page-faq .qa__a a {
  color: var(--tile-2);
  text-decoration: none;
  border-bottom: 1px solid rgba(111, 168, 220, .45);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-faq .qa__a a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-faq .qa__a p.qa__src {
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--mist);
}

/* ---------- 页尾提示 ---------- */

.page-faq .faq-tail {
  margin-top: 44px;
  padding: 52px 0 88px;
  border-top: var(--line-gold);
  background: radial-gradient(80% 130% at 92% 0%, rgba(228, 121, 74, .10), transparent 62%);
}

.page-faq .faq-tail__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
}

.page-faq .faq-tail__kicker {
  margin: 0;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--orange);
}

.page-faq .faq-tail__panel h2 {
  margin: 10px 0 14px;
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: .02em;
  color: var(--paper);
}

.page-faq .faq-tail__panel p {
  max-width: 34em;
  margin: 0 0 22px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--faq-answer);
}

.page-faq .faq-tail__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-faq .faq-tail__side {
  padding-left: 22px;
  border-left: var(--line-gold);
}

.page-faq .faq-tail__side > p {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--gold);
}

.page-faq .faq-tail__side ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-faq .faq-tail__side a {
  display: inline-block;
  padding-bottom: 2px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid rgba(217, 169, 76, .25);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-faq .faq-tail__side a:hover,
.page-faq .faq-tail__side a:focus-visible {
  color: var(--gold-hi);
  border-bottom-color: var(--gold-hi);
}

/* ---------- 平板 ---------- */

@media (min-width: 640px) {
  .page-faq .faq-index__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---------- 桌面 ---------- */

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding: 52px 0 68px;
  }

  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
    gap: 56px;
    align-items: center;
  }

  .page-faq .faq-index {
    padding: 38px 0;
  }

  .page-faq .faq-index__grid {
    grid-template-columns: minmax(0, 300px) minmax(0, 1fr);
    gap: 44px;
    align-items: start;
  }

  .page-faq .faq-group {
    padding: 62px 0 14px;
  }

  .page-faq .faq-group__head {
    grid-template-columns: auto minmax(0, 1fr) auto;
    margin-bottom: 26px;
  }

  .page-faq .faq-group__head h2 {
    font-size: 28px;
  }

  .page-faq .faq-group__note {
    grid-column: 3;
    grid-row: 1;
    text-align: right;
    max-width: 26ch;
  }

  .page-faq .qa {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    column-gap: 40px;
    padding-left: 22px;
  }

  .page-faq .qa__q {
    grid-column: 1;
    padding: 22px 36px 22px 0;
    font-size: 16.5px;
  }

  .page-faq .qa__q::after {
    top: 24px;
    right: 10px;
  }

  .page-faq .qa__a {
    grid-column: 2;
    padding: 22px 0 24px;
    max-width: none;
  }

  .page-faq .faq-tail {
    padding: 64px 0 104px;
  }

  .page-faq .faq-tail__inner {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    gap: 60px;
    align-items: start;
  }

  .page-faq .faq-tail__panel h2 {
    font-size: 30px;
  }
}

/* ---------- 动效收敛 ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa,
  .page-faq .qa__q,
  .page-faq .qa__q::after,
  .page-faq .qa__a a,
  .page-faq .faq-index__list a,
  .page-faq .faq-tail__side a {
    transition: none;
  }
}