.page-faq {
  --faq-shadow: 0 12px 34px rgba(10, 31, 60, 0.12);
}

/* ============ 页面通用容器 ============ */
.page-faq .faq-intro__inner,
.page-faq .faq-shell {
  max-width: 1200px;
  margin: 0 auto;
  padding-right: 20px;
  padding-left: 20px;
}
@media (min-width: 900px) {
  .page-faq .faq-intro__inner,
  .page-faq .faq-shell {
    padding-right: 24px;
    padding-left: 24px;
  }
}

/* ============ 页面开场 ============ */
.page-faq .faq-intro {
  position: relative;
  overflow: hidden;
  padding: 40px 0 44px;
  background: linear-gradient(118deg, var(--c-deep) 0%, var(--c-main) 100%);
  color: var(--c-white);
}
.page-faq .faq-intro::before {
  content: "";
  position: absolute;
  top: 30px;
  right: -80px;
  width: 340px;
  height: 4px;
  background: var(--c-gold);
  box-shadow: 0 16px 0 0 rgba(240, 209, 131, 0.5);
  transform: rotate(-10deg);
  pointer-events: none;
}
.page-faq .faq-intro::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 4px;
  background: linear-gradient(90deg, transparent 0%, var(--c-gold) 20%, var(--c-gold-light) 45%, transparent 80%);
  pointer-events: none;
}
.page-faq .faq-intro__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 28px;
}
.page-faq .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  font-size: 13px;
}
.page-faq .breadcrumb__item {
  color: rgba(247, 250, 252, 0.62);
}
.page-faq .breadcrumb__item a {
  color: var(--c-gold-light);
  text-decoration: none;
  transition: color 0.25s;
}
.page-faq .breadcrumb__item a:hover,
.page-faq .breadcrumb__item a:focus-visible {
  color: var(--c-white);
  text-decoration: underline;
}
.page-faq .faq-intro__eyebrow {
  display: inline-block;
  margin-top: 20px;
}
.page-faq .faq-intro__title {
  margin: 14px 0 12px;
  font-size: 26px;
  line-height: 1.35;
  letter-spacing: 0.01em;
  color: var(--c-white);
}
.page-faq .faq-intro__lead {
  max-width: 660px;
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(247, 250, 252, 0.78);
}
.page-faq .faq-intro__side {
  padding: 18px;
  background: rgba(247, 250, 252, 0.07);
  border: 1px solid rgba(247, 250, 252, 0.14);
  clip-path: polygon(14px 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%, 0 14px);
}
.page-faq .faq-intro__label {
  display: block;
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--c-gold-light);
}
.page-faq .faq-intro__kw-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
}
.page-faq .faq-intro__kw {
  padding: 7px 14px 7px 18px;
  font-size: 14px;
  color: var(--c-white);
  background: rgba(247, 250, 252, 0.08);
  border: 1px solid rgba(247, 250, 252, 0.16);
  clip-path: polygon(10px 0, 100% 0, calc(100% - 10px) 100%, 0 100%);
}
.page-faq .faq-intro__hint {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(247, 250, 252, 0.62);
}
@media (min-width: 860px) {
  .page-faq .faq-intro__inner {
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 48px;
    align-items: end;
  }
  .page-faq .faq-intro__title {
    font-size: 36px;
    line-height: 1.28;
  }
}

/* ============ 两栏主体 ============ */
.page-faq .faq-shell {
  display: grid;
  gap: 40px;
  padding-top: 36px;
  padding-bottom: 64px;
}
@media (min-width: 900px) {
  .page-faq .faq-shell {
    grid-template-columns: 300px minmax(0, 1fr);
    gap: 52px;
    align-items: start;
    padding-top: 52px;
    padding-bottom: 96px;
  }
}

/* ============ 左侧索引 ============ */
.page-faq .faq-index {
  display: grid;
  gap: 18px;
  align-content: start;
}
@media (min-width: 900px) {
  .page-faq .faq-index {
    position: sticky;
    top: 32px;
    max-height: calc(100vh - 64px);
    overflow: auto;
  }
}
.page-faq .faq-index__media {
  display: none;
}
@media (min-width: 900px) {
  .page-faq .faq-index__media {
    display: block;
    overflow: hidden;
    background: var(--c-deep);
    clip-path: polygon(20px 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%, 0 20px);
  }
}
.page-faq .faq-index__img {
  display: block;
  width: 100%;
  height: auto;
}
.page-faq .faq-index__nav {
  display: flex;
  gap: 2px;
  padding: 4px;
  overflow-x: auto;
  background: var(--c-deep);
  border-radius: 14px;
}
@media (min-width: 900px) {
  .page-faq .faq-index__nav {
    display: grid;
    gap: 2px;
    padding: 6px;
    overflow: hidden;
  }
}
.page-faq .faq-index__link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 14px;
  background: var(--c-white);
  color: var(--c-deep);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  border-left: 3px solid transparent;
  transition: background-color 0.25s, color 0.25s, border-color 0.25s;
}
.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--c-main);
  border-left-color: var(--c-gold);
}
.page-faq .faq-index__no {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--c-gold);
}
.page-faq .faq-index__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  margin: 0;
  padding: 4px;
  background: var(--c-deep);
  border-radius: 14px;
}
.page-faq .faq-index__stat {
  padding: 12px 6px;
  text-align: center;
  background: var(--c-white);
  border-radius: 10px;
}
.page-faq .faq-index__stat dt {
  margin: 0 0 2px;
  font-size: 12px;
  color: var(--c-stone);
}
.page-faq .faq-index__stat dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--c-main);
}

/* ============ 右侧内容 ============ */
.page-faq .faq-content {
  display: grid;
  gap: 56px;
  min-width: 0;
}
@media (min-width: 900px) {
  .page-faq .faq-content {
    gap: 64px;
  }
}

/* 主题分组 */
.page-faq .faq-group {
  display: grid;
  gap: 12px;
  scroll-margin-top: 24px;
}
.page-faq .faq-group__head {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 4px;
  padding: 18px 20px;
  border-left: 4px solid var(--c-gold);
  border-radius: 0 14px 14px 0;
  background: linear-gradient(135deg, rgba(27, 79, 138, 0.08), rgba(217, 166, 46, 0.06));
  transition: box-shadow 0.25s;
}
.page-faq .faq-group:target .faq-group__head {
  box-shadow: 0 0 0 4px rgba(217, 166, 46, 0.18);
}
.page-faq .faq-group__no {
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 28px;
  line-height: 1;
  color: var(--c-gold);
}
.page-faq .faq-group__title {
  margin: 2px 0 6px;
  font-size: 21px;
  line-height: 1.3;
  color: var(--c-deep);
}
.page-faq .faq-group__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--c-stone);
}
@media (min-width: 860px) {
  .page-faq .faq-group__title {
    font-size: 24px;
  }
}

/* 手风琴条目 */
.page-faq .faq-item {
  background: var(--c-white);
  border: 1px solid #e2e8f0;
  border-left-width: 4px;
  border-left-color: transparent;
  border-radius: 14px;
  overflow: hidden;
  transition: box-shadow 0.3s, border-color 0.3s;
}
.page-faq .faq-item[open] {
  border-left-color: var(--c-gold);
  box-shadow: var(--faq-shadow);
}
.page-faq .faq-item__q {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 20px;
  list-style: none;
  cursor: pointer;
  transition: background-color 0.25s;
}
.page-faq .faq-item__q::-webkit-details-marker {
  display: none;
}
.page-faq .faq-item__q:hover,
.page-faq .faq-item__q:focus-visible {
  background-color: rgba(27, 79, 138, 0.045);
}
.page-faq .faq-item__q:focus-visible {
  outline: 2px solid var(--c-gold);
  outline-offset: -2px;
}
.page-faq .faq-item__title {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--c-deep);
}
@media (min-width: 860px) {
  .page-faq .faq-item__title {
    font-size: 16px;
  }
}
.page-faq .faq-item__no {
  flex-shrink: 0;
  padding: 5px 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--c-gold);
  background: rgba(217, 166, 46, 0.14);
  border-radius: 6px;
}
.page-faq .faq-item__txt {
  flex: 1;
}
.page-faq .faq-item__q::after {
  content: "";
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  background-image:
    linear-gradient(var(--c-gold), var(--c-gold)),
    linear-gradient(var(--c-gold), var(--c-gold));
  background-position: center, center;
  background-size: 12px 2px, 2px 12px;
  background-repeat: no-repeat;
  transition: transform 0.3s;
}
.page-faq .faq-item[open] .faq-item__q::after {
  transform: rotate(45deg);
}

/* 答案 */
.page-faq .faq-item__a {
  padding: 2px 24px 22px 64px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-stone);
}
.page-faq .faq-item__a p {
  margin: 0;
}
.page-faq .faq-item__mark {
  color: var(--c-gold);
  background: rgba(217, 166, 46, 0.14);
  font-weight: 600;
  padding: 1px 6px;
  border-radius: 4px;
}
.page-faq .faq-inline-link {
  color: var(--c-main);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: rgba(217, 166, 46, 0.55);
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
  transition: color 0.25s, text-decoration-color 0.25s;
}
.page-faq .faq-inline-link:hover,
.page-faq .faq-inline-link:focus-visible {
  color: var(--c-gold);
  text-decoration-color: var(--c-gold);
}

/* ============ 底部帮助区 ============ */
.page-faq .faq-help {
  display: grid;
  overflow: hidden;
  background: var(--c-deep);
  color: var(--c-white);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%, 0 20px);
}
.page-faq .faq-help__media {
  order: -1;
  background: var(--c-main);
}
.page-faq .faq-help__img {
  display: block;
  width: 100%;
  height: 100%;
  max-height: 320px;
  object-fit: cover;
}
.page-faq .faq-help__body {
  padding: 28px 24px 32px;
}
.page-faq .faq-help__title {
  margin: 12px 0 10px;
  font-size: 22px;
  line-height: 1.4;
  color: var(--c-white);
}
.page-faq .faq-help__text {
  margin: 0 0 22px;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(247, 250, 252, 0.75);
}
.page-faq .faq-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
@media (min-width: 760px) {
  .page-faq .faq-help {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  }
  .page-faq .faq-help__media {
    order: 2;
    min-height: 260px;
  }
  .page-faq .faq-help__img {
    max-height: none;
  }
}

/* ============ 底部信任声明 ============ */
.page-faq .faq-trust {
  margin: 0;
  padding-top: 18px;
  border-top: 1px dashed rgba(74, 85, 104, 0.35);
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-stone);
}

/* ============ 动效弱化 ============ */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-item__q,
  .page-faq .faq-item__q::after,
  .page-faq .faq-inline-link,
  .page-faq .faq-index__link {
    transition: none;
  }
}