.page-faq .breadcrumb {
  margin: 0 0 6px;
}

.page-faq .faq-hero__frame {
  margin-top: 18px;
  padding: clamp(22px, 4vw, 46px);
  border: 1px solid #1D4A3E;
  border-radius: var(--r-xl);
  background:
    radial-gradient(120% 90% at 88% 4%, rgba(53, 240, 208, 0.10), transparent 58%),
    linear-gradient(165deg, #0B211B 0%, #05110E 74%);
  display: grid;
  gap: clamp(26px, 4vw, 42px);
  align-items: center;
}

.page-faq .faq-hero__text > .eyebrow {
  margin: 0 0 14px;
}

.page-faq .faq-hero__text > h1 {
  margin: 0 0 18px;
  font-size: clamp(26px, 5.4vw, 44px);
  line-height: 1.2;
  letter-spacing: -0.012em;
  font-weight: 800;
  color: var(--white-0);
}

.page-faq .faq-hero__lead {
  margin: 0 0 22px;
  max-width: 56ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--paper-300);
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 13px;
  color: var(--gray-400);
}

.page-faq .faq-hero__meta .num {
  color: var(--orange-500);
  font-size: 15px;
  margin-right: 4px;
}

.page-faq .faq-hero__fig {
  margin: 0;
}

.page-faq .faq-hero__fig img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--r-lg);
  border: 1px solid #16332B;
  object-fit: cover;
}

/* ---------- 检修单外壳 ---------- */

.page-faq .faq-shell {
  margin-top: clamp(40px, 6vw, 76px);
  padding-bottom: 8px;
}

.page-faq .faq-index {
  border: 1px solid #16332B;
  border-radius: var(--r-lg);
  background: #0B211B;
  padding: 14px;
}

.page-faq .faq-index__label {
  margin: 0 0 10px;
  padding-left: 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gray-400);
}

.page-faq .faq-index__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

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

.page-faq .faq-index__link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 13px;
  border-radius: var(--r-pill);
  color: var(--paper-300);
  font-size: 13.5px;
  white-space: nowrap;
  text-decoration: none;
  transition: background 0.2s var(--ease), color 0.2s var(--ease);
}

.page-faq .faq-index__link .num {
  color: var(--cyan-400);
  font-size: 12px;
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  background: var(--ink-600);
  color: var(--cyan-200);
}

/* ---------- 分组 ---------- */

.page-faq .faq-groups {
  display: grid;
  gap: clamp(40px, 6vw, 68px);
  margin-top: 34px;
}

.page-faq .faq-group {
  scroll-margin-top: 84px;
}

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid #16332B;
  margin-bottom: 12px;
}

.page-faq .faq-group__no {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--cyan-400);
}

.page-faq .faq-group__title {
  margin: 0;
  font-size: clamp(19px, 3vw, 25px);
  font-weight: 700;
  letter-spacing: -0.012em;
  line-height: 1.3;
  color: var(--white-0);
}

.page-faq .faq-group__note {
  margin: 0 0 16px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--gray-400);
}

/* ---------- 折叠问答 ---------- */

.page-faq .qa {
  background: #0B211B;
  border: 1px solid #16332B;
  border-radius: var(--r-md);
  margin-bottom: 10px;
  overflow: hidden;
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease);
}

.page-faq .qa:hover {
  border-color: #1D4A3E;
}

.page-faq .qa[open] {
  border-color: #2C6B57;
  background: #0C241D;
}

.page-faq .qa__q {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) 10px;
  align-items: start;
  column-gap: 12px;
  margin: 0;
  padding: 15px 18px;
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.62;
  color: var(--paper-100);
  list-style: none;
  user-select: none;
}

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

.page-faq .qa__q::marker {
  content: "";
}

.page-faq .qa__q:hover {
  color: var(--cyan-200);
}

.page-faq .qa__q:focus-visible {
  outline: 2px solid var(--cyan-400);
  outline-offset: -3px;
}

.page-faq .qa__tag {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.07em;
  color: var(--cyan-400);
  padding-top: 4px;
}

.page-faq .qa__arrow {
  width: 9px;
  height: 9px;
  margin-top: 7px;
  border-right: 2px solid var(--gray-400);
  border-bottom: 2px solid var(--gray-400);
  transform: rotate(45deg);
  transition: transform 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-faq .qa[open] .qa__arrow {
  transform: rotate(-135deg);
  border-color: var(--cyan-400);
}

.page-faq .qa__body {
  padding: 2px 18px 20px;
}

.page-faq .qa__body p {
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--paper-300);
}

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

.page-faq .qa__steps {
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
  display: grid;
  gap: 9px;
  counter-reset: faqStep;
}

.page-faq .qa__steps li {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 10px;
  counter-increment: faqStep;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--paper-300);
}

.page-faq .qa__steps li::before {
  content: counter(faqStep, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan-400);
  padding-top: 3px;
}

.page-faq .qa__out {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: 6px;
  font-size: 13.5px;
  color: var(--cyan-400);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 240, 208, 0.35);
  padding-bottom: 2px;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .qa__out:hover,
.page-faq .qa__out:focus-visible {
  color: var(--cyan-200);
  border-bottom-color: currentColor;
}

/* ---------- 插图 ---------- */

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

.page-faq .faq-shot img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--r-lg);
  border: 1px solid #16332B;
  object-fit: cover;
}

.page-faq .faq-shot figcaption {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--gray-400);
}

/* ---------- 联系信息 ---------- */

.page-faq .faq-contact {
  display: grid;
  background: #0B211B;
  border: 1px solid #16332B;
  border-radius: var(--r-lg);
  padding: clamp(16px, 3vw, 26px);
}

.page-faq .faq-contact__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 16px;
  padding: 12px 0;
  border-bottom: 1px solid #143028;
  font-size: 14.5px;
  line-height: 1.7;
}

.page-faq .faq-contact__row:last-child {
  border-bottom: 0;
}

.page-faq .faq-contact__k {
  flex: 0 0 92px;
  font-size: 13px;
  color: var(--gray-400);
}

.page-faq .faq-contact__v {
  flex: 1 1 220px;
  min-width: 0;
  color: var(--paper-100);
}

.page-faq .faq-contact__v--mono {
  font-family: var(--font-mono);
  letter-spacing: 0.03em;
}

.page-faq .faq-contact__cta {
  margin: 18px 0 0;
}

/* ---------- 桌面布局 ---------- */

@media (min-width: 900px) {
  .page-faq .faq-hero__frame {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: clamp(32px, 4vw, 56px);
  }

  .page-faq .faq-shell {
    display: grid;
    grid-template-columns: 212px minmax(0, 1fr);
    gap: clamp(30px, 4vw, 58px);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 26px;
    padding: 20px 14px;
  }

  .page-faq .faq-index__list {
    display: grid;
    gap: 3px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-index__link {
    white-space: normal;
    border-radius: 12px;
    padding: 9px 12px;
    line-height: 1.5;
  }

  .page-faq .faq-groups {
    margin-top: 0;
  }

  .page-faq .faq-group {
    scroll-margin-top: 30px;
  }
}

@media (min-width: 1120px) {
  .page-faq .faq-groups {
    padding-right: 8px;
  }
}