.page-faq {
  --faq-rule: rgba(138, 101, 36, 0.38);
  --faq-rule-soft: rgba(70, 86, 110, 0.5);
  background: var(--ink);
  color: var(--cream);
  font-family: var(--font-cn);
  padding-bottom: clamp(48px, 7vw, 96px);
  overflow-x: hidden;
}

.page-faq .idx {
  margin: 0;
  color: var(--gold);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

/* ---------- 面包屑 ---------- */
.page-faq .faq-crumb {
  padding-top: clamp(22px, 3.6vw, 40px);
  padding-bottom: clamp(12px, 2vw, 20px);
}

.page-faq .faq-crumb .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-faq .faq-crumb .breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--copper);
}

.page-faq .faq-crumb .breadcrumb a {
  color: var(--mist);
  text-decoration: none;
}

.page-faq .faq-crumb .breadcrumb a:hover {
  color: var(--gold-hot);
}

.page-faq .faq-crumb .breadcrumb li[aria-current="page"] {
  color: var(--cream);
}

/* ---------- 首屏：不对称双栏 ---------- */
.page-faq .faq-top {
  padding-top: clamp(16px, 3vw, 34px);
  padding-bottom: clamp(34px, 5vw, 62px);
}

.page-faq .faq-top__grid {
  display: grid;
  gap: clamp(26px, 4vw, 56px);
}

.page-faq .faq-top h1 {
  margin: 0.4em 0 0.5em;
  font-size: clamp(2rem, 5.6vw, 4.2rem);
  line-height: 1.06;
  letter-spacing: -0.022em;
  font-weight: 800;
  color: var(--cream);
  max-width: 18ch;
}

.page-faq .faq-top__intro {
  margin: 0;
  max-width: 48ch;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--mist);
}

.page-faq .faq-top__aside {
  border-left: 1px solid var(--faq-rule);
  padding-left: clamp(16px, 2.4vw, 30px);
}

.page-faq .faq-top__time {
  margin: 10px 0 6px;
  font-size: clamp(1.8rem, 4.2vw, 2.6rem);
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--gold-hot);
}

.page-faq .faq-top__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

.page-faq .faq-top__facts {
  margin: clamp(18px, 2.4vw, 26px) 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-top__facts li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 9px 0;
  border-top: 1px solid var(--faq-rule);
  font-size: 13px;
  color: var(--mist);
}

.page-faq .faq-top__facts .mono {
  flex: none;
  min-width: 3.4em;
  color: var(--gold);
  font-size: 17px;
  letter-spacing: -0.01em;
}

/* ---------- 分类快速定位带 ---------- */
.page-faq .faq-jump {
  border-top: 1px solid var(--faq-rule);
  border-bottom: 1px solid var(--faq-rule);
  background: var(--ink-deep);
}

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

.page-faq .faq-jump__list li {
  background: var(--ink-deep);
}

.page-faq .faq-jump__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 16px clamp(12px, 1.8vw, 22px);
  color: var(--cream);
  font-size: 13.5px;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.2s var(--ease), color 0.2s var(--ease);
}

.page-faq .faq-jump__list a:hover {
  background: rgba(212, 162, 76, 0.12);
  color: var(--gold-hot);
}

.page-faq .faq-jump__list a:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: -2px;
}

.page-faq .faq-jump__num {
  flex: none;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--gold);
}

/* ---------- 诊断图 ---------- */
.page-faq .faq-diagram {
  padding: clamp(38px, 5.6vw, 76px) 0;
  background: var(--panel);
  border-bottom: 1px solid var(--faq-rule-soft);
}

.page-faq .faq-diagram h2 {
  margin: 0.35em 0 0;
  font-size: clamp(1.5rem, 3.2vw, 2.4rem);
  line-height: 1.15;
  letter-spacing: -0.018em;
  font-weight: 800;
  color: var(--cream);
}

.page-faq .faq-diagram__scroll {
  margin-top: clamp(22px, 3.2vw, 40px);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-diagram__svg {
  display: block;
  width: 100%;
  min-width: 700px;
  height: auto;
}

.page-faq .dx-box {
  fill: rgba(16, 26, 43, 0.72);
  stroke: var(--faq-rule-soft);
  stroke-width: 1;
}

.page-faq .dx-box--cat {
  fill: rgba(10, 18, 31, 0.92);
  stroke: rgba(212, 162, 76, 0.55);
}

.page-faq .dx-box--end {
  fill: rgba(46, 139, 122, 0.14);
  stroke: rgba(46, 139, 122, 0.62);
}

.page-faq .dx-line {
  stroke: var(--faq-rule);
  stroke-width: 1;
}

.page-faq .dx-t {
  fill: var(--cream);
  font-family: var(--font-cn);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.page-faq .dx-t--end {
  fill: var(--gold-hot);
}

.page-faq .dx-s {
  fill: var(--mist);
  font-family: var(--font-cn);
  font-size: 11.5px;
}

.page-faq .dx-s--foot {
  fill: var(--gold);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
}

/* ---------- 问题分组 ---------- */
.page-faq .faq-group {
  padding: clamp(38px, 5.2vw, 72px) 0;
  border-top: 1px solid var(--faq-rule);
}

.page-faq .faq-group--deep {
  background: var(--ink-deep);
}

.page-faq .faq-group__grid {
  display: grid;
  gap: clamp(24px, 3.4vw, 48px);
}

.page-faq .faq-group__head h2 {
  margin: 0.35em 0 0.55em;
  font-size: clamp(1.5rem, 2.8vw, 2.1rem);
  line-height: 1.16;
  letter-spacing: -0.016em;
  font-weight: 800;
  color: var(--cream);
}

.page-faq .faq-group__desc {
  margin: 0 0 18px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
  max-width: 40ch;
}

.page-faq .faq-group__link {
  display: inline-block;
  padding-bottom: 3px;
  border-bottom: 1px solid rgba(212, 162, 76, 0.42);
  color: var(--gold);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-decoration: none;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .faq-group__link:hover {
  color: var(--gold-hot);
  border-color: var(--gold-hot);
}

/* ---------- 折叠问答行 ---------- */
.page-faq .faq-item {
  border-top: 1px solid var(--faq-rule);
}

.page-faq .faq-item:last-of-type {
  border-bottom: 1px solid var(--faq-rule);
}

.page-faq .faq-item__sum {
  display: flex;
  align-items: baseline;
  gap: clamp(10px, 1.6vw, 18px);
  padding: 16px 0;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-item__sum:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

.page-faq .faq-item__num {
  flex: none;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--gold);
  padding-top: 4px;
}

.page-faq .faq-item__q {
  flex: 1;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--cream);
  transition: color 0.2s var(--ease);
}

.page-faq .faq-item__sum:hover .faq-item__q {
  color: var(--gold-hot);
}

.page-faq .faq-item__mark {
  position: relative;
  flex: none;
  width: 14px;
  height: 14px;
  margin-top: 4px;
}

.page-faq .faq-item__mark::before,
.page-faq .faq-item__mark::after {
  content: "";
  position: absolute;
  background: var(--gold);
}

.page-faq .faq-item__mark::before {
  left: 0;
  right: 0;
  top: 6px;
  height: 1px;
}

.page-faq .faq-item__mark::after {
  top: 0;
  bottom: 0;
  left: 6px;
  width: 1px;
  transition: transform 0.2s var(--ease);
}

.page-faq .faq-item[open] .faq-item__mark::after {
  transform: scaleY(0);
}

.page-faq .faq-item__body {
  padding: 0 0 22px 34px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-item__body p {
  margin: 0 0 0.75em;
}

.page-faq .faq-item__body ul {
  margin: 0 0 0.85em;
  padding-left: 1.1em;
}

.page-faq .faq-item__body li {
  margin-bottom: 0.35em;
}

.page-faq .faq-item__meta {
  margin: 12px 0 0;
  padding-left: 10px;
  border-left: 2px solid rgba(212, 162, 76, 0.5);
  font-size: 11.5px;
  letter-spacing: 0.03em;
  line-height: 1.6;
  color: var(--gold);
}

/* ---------- 配图 ---------- */
.page-faq .faq-shot {
  margin: 0 0 clamp(20px, 3vw, 32px);
}

.page-faq .faq-shot .media-frame {
  border: 1px solid var(--faq-rule-soft);
  border-radius: 2px;
  overflow: hidden;
  background: var(--ink-deep);
}

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

.page-faq .faq-shot .media-frame__caption {
  padding: 10px 12px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--mist);
  border-top: 1px solid var(--faq-rule-soft);
}

/* ---------- 联系支持 ---------- */
.page-faq .faq-support {
  padding: clamp(40px, 5.6vw, 80px) 0 0;
  border-top: 1px solid var(--faq-rule);
}

.page-faq .faq-support__grid {
  display: grid;
  gap: clamp(26px, 3.6vw, 52px);
}

.page-faq .faq-support h2 {
  margin: 0.4em 0 0.5em;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  line-height: 1.16;
  letter-spacing: -0.016em;
  font-weight: 800;
  color: var(--cream);
}

.page-faq .faq-support__text {
  margin: 0 0 22px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
  max-width: 46ch;
}

.page-faq .faq-support__dl {
  display: grid;
  grid-template-columns: minmax(84px, auto) minmax(0, 1fr);
  gap: 0;
  margin: 0 0 20px;
  border-top: 1px solid var(--faq-rule);
}

.page-faq .faq-support__dl dt {
  padding: 11px 16px 11px 0;
  border-bottom: 1px solid var(--faq-rule);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--gold);
}

.page-faq .faq-support__dl dd {
  margin: 0;
  padding: 11px 0;
  border-bottom: 1px solid var(--faq-rule);
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--cream);
  word-break: break-word;
}

.page-faq .faq-support__fine {
  margin: 0 0 22px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--mist);
  max-width: 44ch;
}

.page-faq .faq-support__aside {
  padding: clamp(20px, 2.6vw, 28px);
  border: 1px solid var(--faq-rule);
  border-radius: 2px;
  background: rgba(27, 42, 64, 0.5);
}

.page-faq .faq-support__aside h3 {
  margin: 0 0 16px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--gold-hot);
}

.page-faq .faq-support__steps {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-support__steps li {
  display: flex;
  gap: 12px;
  padding: 12px 0;
  border-top: 1px solid var(--faq-rule-soft);
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--mist);
}

.page-faq .faq-support__sn {
  flex: none;
  color: var(--jade);
  font-size: 12px;
  letter-spacing: 0.1em;
  padding-top: 3px;
}

.page-faq .faq-support__hint {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--faq-rule-soft);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--mist);
}

.page-faq .faq-support__hint a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(212, 162, 76, 0.42);
}

.page-faq .faq-support__hint a:hover {
  color: var(--gold-hot);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-jump__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-support__dl {
    grid-template-columns: minmax(110px, auto) minmax(0, 1fr);
  }
}

@media (min-width: 900px) {
  .page-faq .faq-top__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: end;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-group__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    align-items: start;
  }

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

  .page-faq .faq-support__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-group__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item__mark::after,
  .page-faq .faq-item__q,
  .page-faq .faq-jump__list a,
  .page-faq .faq-group__link {
    transition: none;
  }
}