.page-faq {
  --faq-line: 1px solid rgba(11, 31, 58, .18);
  --faq-line-dash: 1px dashed rgba(11, 31, 58, .26);
  --faq-rail-w: 268px;
  background: var(--sand);
  color: var(--ink);
  font-family: var(--font-body);
}

.page-faq .wrap {
  padding-block: 22px 68px;
}

.page-faq .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 26px;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .02em;
  color: var(--slate);
}

.page-faq .breadcrumbs li + li::before {
  content: "/";
  margin-right: 8px;
  color: rgba(92, 122, 138, .6);
}

.page-faq .breadcrumbs a {
  color: var(--navy);
  text-decoration: none;
  border-bottom: 1px dashed rgba(11, 31, 58, .4);
}

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

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  display: grid;
  gap: 26px;
  padding-bottom: 34px;
  border-bottom: 3px solid var(--navy);
}

.page-faq .faq-hero__text h1 {
  margin: 10px 0 16px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(28px, 7vw, 46px);
  line-height: 1.16;
  letter-spacing: -.02em;
  color: var(--navy);
}

.page-faq .faq-hero__lead {
  max-width: 620px;
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: #2a2f36;
}

.page-faq .faq-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin: 22px 0 0;
  padding: 16px 0 0;
  border-top: var(--faq-line-dash);
  list-style: none;
}

.page-faq .faq-hero__facts li {
  display: flex;
  align-items: baseline;
  gap: 7px;
  font-size: 13px;
  color: var(--slate);
}

.page-faq .faq-hero__facts .mono {
  font-family: var(--font-mono);
  font-size: 17px;
  font-weight: 700;
  color: var(--navy);
}

.page-faq .faq-hero__fig {
  margin: 0;
  position: relative;
  background: var(--sand-2);
  border: 1px solid rgba(11, 31, 58, .22);
  box-shadow: var(--shadow-paper);
}

.page-faq .faq-hero__fig img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 12 / 7;
  object-fit: cover;
}

.page-faq .faq-hero__fig .img-caption {
  padding: 9px 12px;
  border-top: var(--faq-line-dash);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .02em;
  color: var(--slate);
}

/* ---------- 顶部问题分类 ---------- */
.page-faq .faq-jump {
  display: flex;
  gap: 9px;
  margin: 26px 0 30px;
  padding-bottom: 4px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
  padding: 9px 15px;
  background: var(--paper);
  border: 1px solid rgba(11, 31, 58, .28);
  color: var(--navy);
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 14px;
  letter-spacing: -.01em;
  text-decoration: none;
  transition: background .18s var(--ease), color .18s var(--ease), border-color .18s var(--ease);
}

.page-faq .faq-chip .mono {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--orange);
}

.page-faq .faq-chip:hover,
.page-faq .faq-chip:focus-visible {
  background: var(--navy);
  border-color: var(--navy);
  color: var(--sand);
}

.page-faq .faq-chip:hover .mono,
.page-faq .faq-chip:focus-visible .mono {
  color: var(--orange);
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-shell {
  display: grid;
  gap: 30px;
}

.page-faq .faq-rail__inner {
  background: var(--sand-2);
  border: 1px solid rgba(11, 31, 58, .2);
  border-left: 4px solid var(--slate);
  padding: 18px 18px 20px;
}

.page-faq .faq-rail__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--slate);
}

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

.page-faq .faq-rail__list li + li {
  border-top: var(--faq-line-dash);
}

.page-faq .faq-rail__list a {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 10px 2px;
  color: var(--navy);
  font-size: 14px;
  line-height: 1.5;
  text-decoration: none;
  transition: color .16s var(--ease);
}

.page-faq .faq-rail__list .mono {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--orange);
}

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

.page-faq .faq-rail__note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: var(--faq-line);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--slate);
}

/* ---------- 分组 ---------- */
.page-faq .faq-section {
  padding: 0 0 8px;
  margin-bottom: 38px;
  scroll-margin-top: 96px;
}

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

.page-faq .faq-section__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--navy);
}

.page-faq .faq-section__num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--orange);
}

.page-faq .faq-section h2 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(20px, 4.6vw, 27px);
  letter-spacing: -.02em;
  line-height: 1.25;
  color: var(--navy);
}

.page-faq .faq-section__intro {
  max-width: 700px;
  margin: 14px 0 18px;
  font-size: 15px;
  line-height: 1.8;
  color: #3a3f46;
}

.page-faq .faq-section--screen .faq-section__head {
  border-bottom-color: var(--slate);
}

.page-faq .faq-section--scope .faq-section__head {
  border-bottom-color: var(--moss);
}

.page-faq .faq-section--scope .faq-section__num {
  color: var(--moss);
}

.page-faq .faq-section--contact .faq-section__head {
  border-bottom-color: var(--clay);
}

.page-faq .faq-section--contact .faq-section__num {
  color: var(--clay);
}

/* ---------- 配图 ---------- */
.page-faq .faq-figure {
  margin: 0 0 20px;
  background: var(--paper);
  border: 1px solid rgba(11, 31, 58, .2);
  border-top: 3px solid var(--slate);
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-faq .faq-figure .img-caption {
  padding: 9px 12px;
  border-top: var(--faq-line-dash);
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--slate);
}

/* ---------- 手风琴 ---------- */
.page-faq .faq-item {
  border-top: var(--faq-line);
  background: transparent;
}

.page-faq .faq-item:last-of-type {
  border-bottom: var(--faq-line);
}

.page-faq .faq-item summary {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 16px 40px 16px 0;
  position: relative;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: -.01em;
  color: var(--navy);
  transition: color .16s var(--ease);
}

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

.page-faq .faq-item summary::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 15px;
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 400;
  line-height: 1.2;
  color: var(--orange);
}

.page-faq .faq-item[open] summary::after {
  content: "\2013";
}

.page-faq .faq-item summary:hover,
.page-faq .faq-item summary:focus-visible {
  color: var(--clay);
}

.page-faq .faq-item__num {
  flex: 0 0 auto;
  padding-top: 2px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 500;
  color: var(--slate);
}

.page-faq .faq-item[open] .faq-item__num {
  color: var(--orange);
}

.page-faq .faq-item__a {
  padding: 2px 0 22px 40px;
  border-left: 2px solid rgba(255, 107, 53, .35);
  margin-left: 6px;
}

.page-faq .faq-item__a p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.82;
  color: #33383f;
}

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

.page-faq .faq-next {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .01em;
  color: var(--slate);
}

.page-faq .faq-next a {
  color: var(--navy);
  text-decoration: none;
  border-bottom: 2px solid var(--orange);
  padding-bottom: 1px;
}

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

/* ---------- 联系方式块 ---------- */
.page-faq .faq-contact {
  margin: 0 0 22px;
  padding: 20px 18px;
  background: var(--navy);
  color: var(--sand);
  border-left: 4px solid var(--orange);
}

.page-faq .faq-contact__row {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 16px;
  padding: 9px 0;
  border-bottom: 1px dashed rgba(242, 232, 213, .28);
}

.page-faq .faq-contact__row .mono {
  flex: 0 0 54px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: rgba(242, 232, 213, .68);
  padding-top: 3px;
}

.page-faq .faq-contact__value {
  color: var(--paper);
  font-size: 15px;
  line-height: 1.65;
  text-decoration: none;
  word-break: break-word;
}

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

.page-faq .faq-contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.page-faq .faq-contact__note {
  margin: 14px 0 0;
  font-size: 12.5px;
  line-height: 1.75;
  color: rgba(242, 232, 213, .76);
}

.page-faq .faq-contact .btn--ghost {
  border-color: rgba(242, 232, 213, .55);
  color: var(--sand);
}

.page-faq .faq-contact .btn--ghost:hover,
.page-faq .faq-contact .btn--ghost:focus-visible {
  background: var(--sand);
  color: var(--navy);
  border-color: var(--sand);
}

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-faq .wrap {
    padding-block: 30px 88px;
  }

  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
    gap: 40px;
    padding-bottom: 42px;
  }

  .page-faq .faq-jump {
    flex-wrap: wrap;
    overflow: visible;
    margin: 30px 0 40px;
  }

  .page-faq .faq-shell {
    grid-template-columns: var(--faq-rail-w) minmax(0, 1fr);
    gap: 46px;
    align-items: start;
  }

  .page-faq .faq-rail__inner {
    position: sticky;
    top: 92px;
  }

  .page-faq .faq-item summary {
    padding: 18px 44px 18px 0;
    font-size: 17px;
  }

  .page-faq .faq-item__a {
    padding: 4px 24px 24px 46px;
  }

  .page-faq .faq-figure {
    float: right;
    width: 46%;
    margin: 4px 0 18px 26px;
  }

  .page-faq .faq-section--screen::after {
    content: "";
    display: block;
    clear: both;
  }

  .page-faq .faq-contact {
    padding: 24px 26px;
  }
}

@media (min-width: 1120px) {
  .page-faq .faq-section__intro {
    font-size: 16px;
  }

  .page-faq .faq-item__a p {
    font-size: 15.5px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-chip,
  .page-faq .faq-item summary {
    transition: none;
  }

  .page-faq .faq-section {
    scroll-behavior: auto;
  }
}