/* ===== 答疑中心 page-faq ===== */

.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(26px, 5vw, 54px) clamp(34px, 5.5vw, 68px);
  background: var(--ink);
  color: var(--white);
}

.page-faq .faq-hero::after {
  content: "";
  display: block;
  height: 4px;
  margin-top: clamp(28px, 4vw, 46px);
  background: linear-gradient(90deg, var(--bronze) 0 20%, var(--cinnabar) 20% 24%, rgba(201, 212, 223, .26) 24% 100%);
}

.page-faq .faq-hero .breadcrumbs {
  margin-bottom: clamp(20px, 3vw, 34px);
  color: var(--ink-muted);
  font-size: 13px;
}

.page-faq .faq-hero .breadcrumbs a {
  color: var(--bronze-lt);
  text-decoration: none;
}

.page-faq .faq-hero .breadcrumbs a:hover,
.page-faq .faq-hero .breadcrumbs a:focus-visible {
  color: var(--white);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  grid-template-columns: minmax(0, 1fr);
  align-items: end;
}

.page-faq .faq-hero__lead h1 {
  margin: 10px 0 0;
  font-size: clamp(23px, 3.6vw, 38px);
  line-height: 1.3;
  font-weight: 900;
  letter-spacing: -.01em;
  color: var(--white);
}

.page-faq .faq-hero .section-lede {
  margin: 16px 0 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.8;
  color: var(--ink-text);
}

.page-faq .faq-hero__facts {
  margin: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--ink-line);
  border: 1px solid var(--ink-line);
}

.page-faq .faq-hero__facts > div {
  background: var(--ink-2);
  padding: 14px 15px;
}

.page-faq .faq-hero__facts dt {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--ink-muted);
}

.page-faq .faq-hero__facts dd {
  margin: 0;
  font-size: clamp(17px, 2.2vw, 23px);
  font-weight: 800;
  line-height: 1.2;
  color: var(--white);
}

.page-faq .faq-hero__facts dd .num {
  color: var(--bronze-lt);
}

/* ---- 主体：分类索引 + 问答 ---- */

.page-faq .faq-body {
  padding-block: clamp(30px, 5vw, 62px) clamp(44px, 6vw, 84px);
}

.page-faq .faq-body__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.4vw, 44px);
  align-items: start;
}

.page-faq .faq-index {
  background: var(--card);
  border: 1px solid var(--line);
  border-top: 3px solid var(--bronze);
  padding: 16px 16px 18px;
  border-radius: var(--r);
}

.page-faq .faq-index__title {
  margin: 0 0 10px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--muted);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0 0 12px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-faq .faq-index__list li {
  margin: 0;
}

.page-faq .faq-index__list a {
  display: flex;
  align-items: baseline;
  gap: 7px;
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text);
  text-decoration: none;
  transition: background var(--dur), color var(--dur), border-color var(--dur);
}

.page-faq .faq-index__no {
  font-size: 12px;
  color: var(--bronze);
}

.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  background: rgba(184, 121, 31, .12);
  border-color: var(--bronze);
  color: var(--bronze-dk);
}

.page-faq .faq-index__list a:focus-visible {
  outline: 2px solid var(--bronze-lt);
  outline-offset: 2px;
}

.page-faq .faq-index__note {
  margin: 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---- 问答分组 ---- */

.page-faq .faq-group {
  padding-top: clamp(24px, 3.4vw, 40px);
  margin-top: clamp(24px, 3.4vw, 40px);
  border-top: 1px solid var(--line-strong);
  scroll-margin-top: 112px;
}

.page-faq .faq-group:first-child {
  padding-top: 0;
  margin-top: 0;
  border-top: 0;
}

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px 16px;
  align-items: start;
  margin-bottom: 18px;
}

.page-faq .faq-group__no {
  font-size: clamp(26px, 3.4vw, 34px);
  font-weight: 800;
  line-height: 1;
  color: var(--bronze);
  border-bottom: 3px solid var(--cinnabar);
  padding-bottom: 3px;
}

.page-faq .faq-group__title {
  margin: 0;
  font-size: clamp(19px, 2.3vw, 24px);
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-faq .faq-group__lede {
  margin: 7px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---- 折叠问答条目 ---- */

.page-faq .faq-list {
  display: grid;
  gap: 10px;
}

.page-faq .faq-item {
  background: var(--card);
  border: 1px solid var(--line);
  border-left: 3px solid var(--ink-line);
  border-radius: var(--r);
  transition: border-color var(--dur), box-shadow var(--dur);
}

.page-faq .faq-item:hover {
  border-left-color: var(--bronze);
  box-shadow: var(--shadow-1);
}

.page-faq .faq-item[open] {
  border-left-color: var(--cinnabar);
  box-shadow: var(--shadow-1);
}

.page-faq .faq-item__q {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 13px 15px;
  font-size: clamp(15px, 1.6vw, 16.5px);
  font-weight: 700;
  line-height: 1.55;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-item__q:focus-visible {
  outline: 2px solid var(--bronze-lt);
  outline-offset: -2px;
}

.page-faq .faq-item__mark {
  position: relative;
  flex: none;
  width: 21px;
  height: 21px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r);
  transition: border-color var(--dur), background var(--dur);
}

.page-faq .faq-item__mark::before,
.page-faq .faq-item__mark::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  background: var(--bronze-dk);
  transition: opacity var(--dur), background var(--dur);
}

.page-faq .faq-item__mark::before {
  width: 10px;
  height: 1.5px;
}

.page-faq .faq-item__mark::after {
  width: 1.5px;
  height: 10px;
}

.page-faq .faq-item[open] .faq-item__mark {
  border-color: var(--bronze);
  background: rgba(184, 121, 31, .14);
}

.page-faq .faq-item[open] .faq-item__mark::after {
  opacity: 0;
}

.page-faq .faq-item__a {
  padding: 12px 15px 16px;
  margin-top: 2px;
  border-top: 1px dashed var(--line);
  overflow-wrap: break-word;
}

.page-faq .faq-item__a p {
  margin: 0 0 9px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text);
}

.page-faq .faq-item__a p:last-child {
  margin-bottom: 0;
}

.page-faq .faq-item__a a {
  color: var(--bronze-dk);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-item__a a:hover,
.page-faq .faq-item__a a:focus-visible {
  color: var(--cinnabar);
}

.page-faq .faq-item__a a:focus-visible {
  outline: 2px solid var(--bronze-lt);
  outline-offset: 2px;
}

/* ---- 配图 ---- */

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

.page-faq .faq-figure .figure__caption {
  margin-top: 9px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .faq-figure .media {
  border: 1px solid var(--line);
  border-radius: var(--r);
  overflow: hidden;
}

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

/* ---- 底部行动区 ---- */

.page-faq .faq-cta {
  padding-block: clamp(38px, 5.5vw, 72px);
  background: var(--ink);
  color: var(--white);
}

.page-faq .faq-cta__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
}

.page-faq .faq-cta h2 {
  margin: 10px 0 10px;
  font-size: clamp(21px, 2.9vw, 30px);
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: -.01em;
  color: var(--white);
}

.page-faq .faq-cta__lead p:not(.kicker) {
  margin: 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-text);
}

.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq .faq-cta__links {
  list-style: none;
  margin: 28px 0 0;
  padding: 20px 0 0;
  border-top: 1px solid var(--ink-line);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}

.page-faq .faq-cta__links li {
  margin: 0;
}

.page-faq .faq-cta__links a {
  display: block;
  padding: 12px 14px;
  background: var(--ink-2);
  border: 1px solid var(--ink-line);
  border-radius: var(--r);
  font-size: 14px;
  font-weight: 600;
  color: var(--white);
  text-decoration: none;
  transition: border-color var(--dur), color var(--dur), background var(--dur);
}

.page-faq .faq-cta__links a:hover,
.page-faq .faq-cta__links a:focus-visible {
  border-color: var(--bronze);
  color: var(--bronze-lt);
  background: rgba(184, 121, 31, .12);
}

.page-faq .faq-cta__links a:focus-visible {
  outline: 2px solid var(--bronze-lt);
  outline-offset: 2px;
}

.page-faq .faq-cta__contact {
  margin: 18px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--ink-muted);
}

/* ---- 响应式 ---- */

@media (min-width: 700px) {
  .page-faq .faq-hero__facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-cta__links {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  }

  .page-faq .faq-cta__inner {
    grid-template-columns: minmax(0, 1.4fr) auto;
    align-items: end;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-body__grid {
    grid-template-columns: minmax(0, 244px) minmax(0, 1fr);
  }

  .page-faq .faq-index {
    position: sticky;
    top: 104px;
  }

  .page-faq .faq-index__list {
    display: block;
    margin-bottom: 14px;
  }

  .page-faq .faq-index__list a {
    border: 0;
    border-bottom: 1px dashed var(--line);
    border-radius: 0;
    padding: 10px 6px;
    font-size: 14px;
  }

  .page-faq .faq-index__list li:last-child a {
    border-bottom: 0;
  }

  .page-faq .faq-item__a {
    padding-left: 58px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-item__q,
  .page-faq .faq-item__mark,
  .page-faq .faq-index__list a,
  .page-faq .faq-cta__links a {
    transition: none;
  }
}