.page-faq {
  --faq-hair: 1px solid var(--line);
  --faq-indent: clamp(14px, 3vw, 26px);
}

/* ---------- 面包屑 ---------- */
.page-faq .crumbs {
  padding-top: calc(clamp(20px, 4vw, 40px));
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-top: clamp(24px, 4vw, 48px);
  padding-bottom: clamp(32px, 5vw, 64px);
  position: relative;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(58% 70% at 88% 8%, rgba(232, 176, 75, 0.13), transparent 68%),
    radial-gradient(40% 55% at 4% 96%, rgba(53, 224, 200, 0.08), transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.page-faq .faq-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 5vw, 54px);
  align-items: end;
}

.page-faq .faq-hero-title {
  margin: 14px 0 18px;
  font-size: clamp(34px, 8vw, 74px);
  line-height: 1.04;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--bone);
}

.page-faq .faq-hero-lede {
  max-width: 40ch;
  color: var(--mist);
}

.page-faq .faq-hero-points {
  list-style: none;
  margin: clamp(22px, 3.5vw, 34px) 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
  border-left: 2px solid var(--gold-deep);
  padding-left: var(--faq-indent);
  font-size: 14px;
  color: var(--mist);
}

.page-faq .faq-hero-points li {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: baseline;
}

.page-faq .faq-hero-points .mono {
  color: var(--gold);
  font-size: 17px;
  font-weight: 700;
}

.page-faq .faq-hero-media {
  margin: 0;
  border: var(--faq-hair);
  background: linear-gradient(160deg, var(--panel), var(--panel-2));
}

/* ---------- 主题锚点 ---------- */
.page-faq .faq-anchors {
  border-top: var(--faq-hair);
  border-bottom: var(--faq-hair);
  background: linear-gradient(180deg, rgba(232, 176, 75, 0.07), rgba(10, 26, 22, 0));
}

.page-faq .faq-anchors-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  align-items: center;
  padding: clamp(18px, 3vw, 28px) 0;
}

.page-faq .faq-anchors-label {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--mist);
}

.page-faq .faq-anchor-list {
  list-style: none;
  margin: 0;
  padding: 0 0 4px;
  display: flex;
  gap: 10px;
  overflow-x: auto;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-anchor-list li {
  flex: 0 0 auto;
}

.page-faq .faq-anchor-list a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 15px;
  border: var(--faq-hair);
  background: rgba(242, 237, 227, 0.04);
  color: var(--bone);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .faq-anchor-list a .mono {
  color: var(--gold);
  font-size: 12px;
}

.page-faq .faq-anchor-list a:hover,
.page-faq .faq-anchor-list a:focus-visible {
  border-color: var(--aqua);
  color: var(--aqua);
  background: rgba(53, 224, 200, 0.08);
  outline: none;
}

.page-faq .faq-anchors-art {
  display: none;
  margin: 0;
}

.page-faq .faq-anchors-art img {
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  opacity: 0.72;
}

/* ---------- 分组 ---------- */
.page-faq .faq-group {
  border-top: var(--faq-hair);
  padding-top: clamp(30px, 5vw, 56px);
  padding-bottom: clamp(30px, 5vw, 56px);
}

.page-faq .faq-group + .faq-group {
  border-top: 0;
}

.page-faq .faq-group--tint {
  background: linear-gradient(190deg, rgba(16, 38, 31, 0.85), rgba(10, 26, 22, 0.2));
  border-top: var(--faq-hair);
  border-bottom: var(--faq-hair);
}

.page-faq .faq-group-body {
  max-width: 880px;
}

.page-faq .faq-group-head {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "no title"
    "no note";
  column-gap: clamp(14px, 3vw, 28px);
  row-gap: 8px;
  margin-bottom: clamp(20px, 3.5vw, 36px);
  align-items: baseline;
}

.page-faq .faq-group-no {
  grid-area: no;
  margin: 0;
  font-size: clamp(26px, 5vw, 46px);
  line-height: 0.9;
  color: var(--gold);
  letter-spacing: -0.02em;
}

.page-faq .faq-group-head .section-title {
  grid-area: title;
  margin: 0;
  font-size: clamp(24px, 4vw, 34px);
  color: var(--bone);
}

.page-faq .faq-group-note {
  grid-area: note;
  margin: 0;
  color: var(--mist);
  font-size: 14px;
  line-height: 1.7;
  max-width: 40ch;
}

/* ---------- 问答条目 ---------- */
.page-faq .faq-list {
  display: grid;
  border-top: var(--faq-hair);
}

.page-faq .faq-item {
  border-bottom: var(--faq-hair);
}

.page-faq .faq-item summary {
  list-style: none;
  cursor: pointer;
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 14px;
  align-items: start;
  padding: clamp(15px, 2.4vw, 21px) 0 clamp(15px, 2.4vw, 21px) var(--faq-indent);
  font-size: clamp(16px, 2vw, 18px);
  font-weight: 700;
  line-height: 1.5;
  color: var(--bone);
  transition: color 0.2s var(--ease);
}

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

.page-faq .faq-item summary::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--gold);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform 0.24s var(--ease);
}

.page-faq .faq-item summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1.2;
  color: var(--gold);
  transition: color 0.2s var(--ease);
}

.page-faq .faq-item[open] summary::before {
  transform: scaleY(1);
}

.page-faq .faq-item[open] summary::after {
  content: "\2212";
  color: var(--aqua);
}

.page-faq .faq-item summary:hover,
.page-faq .faq-item summary:focus-visible {
  color: var(--aqua);
  outline: none;
}

.page-faq .faq-item summary:focus-visible {
  box-shadow: inset 0 -1px 0 0 var(--aqua);
}

.page-faq .faq-answer {
  padding: 0 var(--faq-indent) clamp(18px, 3vw, 26px) var(--faq-indent);
  max-width: 66ch;
  color: var(--mist);
  font-size: 16px;
  line-height: 1.75;
}

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

.page-faq .faq-answer p + p {
  margin-top: 12px;
}

.page-faq .faq-answer a {
  color: var(--aqua);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-faq .faq-answer a:hover,
.page-faq .faq-answer a:focus-visible {
  color: var(--gold);
  outline: none;
}

.page-faq .faq-answer .mono {
  color: var(--bone);
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.01em;
}

/* ---------- 结尾帮助区 ---------- */
.page-faq .faq-help {
  padding-top: clamp(34px, 6vw, 68px);
  padding-bottom: clamp(40px, 7vw, 84px);
  border-top: var(--faq-hair);
  background:
    radial-gradient(60% 80% at 100% 0%, rgba(255, 90, 60, 0.09), transparent 66%),
    linear-gradient(200deg, rgba(16, 38, 31, 0.9), rgba(10, 26, 22, 0.4));
}

.page-faq .faq-help-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 48px);
}

.page-faq .faq-help-copy .section-title {
  margin: 12px 0 16px;
  font-size: clamp(26px, 4.6vw, 40px);
  line-height: 1.15;
  color: var(--bone);
}

.page-faq .faq-help-text {
  margin: 0;
  max-width: 40ch;
  color: var(--mist);
  font-size: 16px;
  line-height: 1.75;
}

.page-faq .faq-help-list {
  display: grid;
  border-top: var(--faq-hair);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: 7fr 5fr;
    gap: clamp(30px, 4vw, 56px);
  }

  .page-faq .faq-answer {
    padding-right: clamp(30px, 6vw, 78px);
  }
}

@media (min-width: 980px) {
  .page-faq .faq-anchors-inner {
    grid-template-columns: 1fr 168px;
    gap: clamp(24px, 4vw, 48px);
  }

  .page-faq .faq-anchors-art {
    display: block;
  }

  .page-faq .faq-help-grid {
    grid-template-columns: 5fr 7fr;
    align-items: start;
  }

  .page-faq .faq-group-body {
    max-width: 820px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item summary::before,
  .page-faq .faq-item summary::after,
  .page-faq .faq-anchor-list a {
    transition: none;
  }
}