.page-faq {
  --faq-line: rgba(7, 26, 43, 0.16);
  --faq-line-strong: rgba(7, 26, 43, 0.32);
  --faq-dim: rgba(7, 26, 43, 0.6);
  --faq-body: rgba(7, 26, 43, 0.84);
}

/* 面包屑 */
.page-faq .crumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: clamp(14px, 2.5vw, 24px) 0 0;
  font-family: var(--mono);
  font-size: 0.8125rem;
  letter-spacing: 0.02em;
  color: var(--silver-dim);
}

.page-faq .crumbs a {
  color: var(--cyan);
  text-decoration: none;
}

.page-faq .crumbs a:hover {
  text-decoration: underline;
}

.page-faq .crumbs__sep {
  color: var(--ink-500);
}

/* 页头 */
.page-faq .faq-head {
  padding: clamp(22px, 4vw, 40px) 0 clamp(30px, 5vw, 56px);
  border-bottom: 2px solid var(--ink-500);
}

.page-faq .faq-head__eyebrow {
  margin: 0 0 12px;
  font-size: 0.8125rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-faq .faq-head h1 {
  margin: 0 0 16px;
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(2.25rem, 8vw, 4rem);
  line-height: 0.98;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-faq .faq-head__lede {
  max-width: 64ch;
  margin: 0 0 24px;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--silver);
}

.page-faq .faq-head__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.8125rem;
  color: var(--silver-dim);
}

.page-faq .faq-head__meta li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-faq .faq-head__meta li::before {
  content: "";
  width: 7px;
  height: 7px;
  background: var(--orange);
}

/* 纸色阅读区 */
.page-faq .faq-zone {
  padding: clamp(28px, 5vw, 60px) 0 clamp(48px, 8vw, 96px);
}

.page-faq .faq-layout {
  display: grid;
  gap: clamp(28px, 4vw, 44px);
}

/* 侧边问题索引 */
.page-faq .faq-map {
  border-bottom: 1px solid var(--faq-line);
  padding-bottom: 20px;
}

.page-faq .faq-map__title {
  margin: 0 0 8px;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--faq-dim);
}

.page-faq .faq-map__list {
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-map__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 11px 4px 11px 10px;
  border-bottom: 1px solid var(--faq-line);
  border-left: 3px solid transparent;
  font-size: 0.9375rem;
  line-height: 1.5;
  color: var(--faq-body);
  text-decoration: none;
  transition: border-color 0.2s ease, color 0.2s ease, background-color 0.15s ease;
}

.page-faq .faq-map__list a:hover,
.page-faq .faq-map__list a:focus-visible {
  border-left-color: var(--orange);
  background: rgba(7, 26, 43, 0.05);
  color: #071a2b;
}

.page-faq .faq-map__num {
  flex: 0 0 auto;
  font-size: 0.75rem;
  color: var(--faq-dim);
}

.page-faq .faq-top {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 10px 14px;
  font-family: var(--mono);
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  color: #071a2b;
  background: transparent;
  border: 1px solid var(--faq-line-strong);
  border-radius: var(--radius);
  cursor: pointer;
  transition: background-color 0.15s ease;
}

.page-faq .faq-top:hover {
  background: rgba(7, 26, 43, 0.07);
}

/* 正文区 */
.page-faq .faq-body {
  min-width: 0;
}

.page-faq .faq-sec {
  scroll-margin-top: 88px;
}

.page-faq .faq-sec + .faq-sec {
  margin-top: clamp(36px, 5vw, 60px);
  padding-top: clamp(28px, 4vw, 44px);
  border-top: 2px solid var(--faq-line-strong);
}

.page-faq .faq-sec__idx {
  margin: 0 0 8px;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--faq-dim);
}

.page-faq .faq-sec__title {
  margin: 0 0 12px;
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(1.5rem, 3.4vw, 2.125rem);
  line-height: 1.12;
  letter-spacing: -0.015em;
  color: #071a2b;
}

.page-faq .faq-sec__lede {
  max-width: 62ch;
  margin: 0 0 22px;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--faq-body);
}

/* 配图 */
.page-faq .faq-figure {
  margin: 0 0 26px;
  border: 2px solid var(--faq-line-strong);
  background: var(--paper-deep);
  overflow: hidden;
}

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

.page-faq .faq-figure__cap {
  margin: 0;
  padding: 8px 12px;
  border-top: 1px solid var(--faq-line);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--faq-dim);
}

.page-faq .faq-figure--phone {
  max-width: 340px;
  margin: 30px auto 0;
}

/* 四组范围列表 */
.page-faq .faq-groups {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--faq-line-strong);
}

.page-faq .faq-groups__item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 6px;
  border-bottom: 1px solid var(--faq-line);
  color: inherit;
  text-decoration: none;
  transition: background-color 0.15s ease;
}

.page-faq .faq-groups__item:hover,
.page-faq .faq-groups__item:focus-visible {
  background: rgba(7, 26, 43, 0.05);
}

.page-faq .faq-groups__tag {
  flex: 0 0 auto;
  min-width: 58px;
  padding: 5px 8px;
  text-align: center;
  font-size: 0.75rem;
  border-radius: var(--radius);
  color: #071a2b;
  background: var(--silver);
}

.page-faq .faq-groups__tag--idx { background: var(--cyan); }
.page-faq .faq-groups__tag--dl { background: var(--orange); }
.page-faq .faq-groups__tag--fb { background: var(--silver); }
.page-faq .faq-groups__tag--ex {
  background: var(--orange-deep);
  color: var(--paper);
}

.page-faq .faq-groups__desc {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--faq-body);
}

.page-faq .faq-groups__count {
  flex: 0 0 auto;
  font-size: 0.8125rem;
  color: var(--faq-dim);
}

/* 问答折叠 */
.page-faq .qa {
  scroll-margin-top: 88px;
  border-bottom: 1px solid var(--faq-line);
  border-left: 3px solid transparent;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.page-faq .qa:first-of-type {
  border-top: 1px solid var(--faq-line);
}

.page-faq .qa[open] {
  border-left-color: var(--cyan);
  background: rgba(7, 26, 43, 0.035);
}

.page-faq .qa__head {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 8px 15px 12px;
  cursor: pointer;
  list-style: none;
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(1rem, 2vw, 1.0625rem);
  line-height: 1.45;
  color: #071a2b;
}

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

.page-faq .qa__head::after {
  content: "+";
  flex: 0 0 auto;
  margin-left: auto;
  padding-left: 10px;
  font-family: var(--mono);
  font-weight: 600;
  font-size: 1rem;
  color: var(--faq-dim);
}

.page-faq .qa[open] .qa__head::after {
  content: "–";
  color: var(--orange-deep);
}

.page-faq .qa__head:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

.page-faq .qa__no {
  flex: 0 0 42px;
  padding-top: 3px;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--faq-dim);
}

.page-faq .qa__q {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .qa__body {
  padding: 0 10px 20px 54px;
}

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

.page-faq .qa__steps li {
  position: relative;
  padding-left: 26px;
  counter-increment: step;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--faq-body);
}

.page-faq .qa__steps li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 4px;
  width: 18px;
  height: 18px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(7, 26, 43, 0.09);
  color: rgba(7, 26, 43, 0.72);
  font-family: var(--mono);
  font-size: 0.6875rem;
  font-weight: 600;
  line-height: 1;
}

.page-faq .qa__steps a {
  color: #0b5c58;
  text-decoration: underline;
  text-decoration-color: rgba(11, 92, 88, 0.4);
  text-underline-offset: 3px;
}

.page-faq .qa__steps a:hover {
  color: var(--orange-deep);
  text-decoration-color: var(--orange-deep);
}

/* 联络块 */
.page-faq .faq-contact {
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
  border-top: 2px solid var(--faq-line-strong);
}

.page-faq .faq-contact li {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  padding: 14px 4px;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-contact__k {
  flex: 0 0 74px;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--faq-dim);
}

.page-faq .faq-contact__v {
  flex: 1 1 auto;
  min-width: 0;
  font-family: var(--mono);
  font-size: 0.9375rem;
  color: #071a2b;
  word-break: break-word;
}

.page-faq .faq-copy {
  flex: 0 0 auto;
  padding: 7px 12px;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: #071a2b;
  background: transparent;
  border: 1px solid var(--faq-line-strong);
  border-radius: var(--radius);
  cursor: pointer;
  transition: background-color 0.15s ease, border-color 0.15s ease;
}

.page-faq .faq-copy:hover {
  background: var(--orange);
  border-color: var(--orange);
}

.page-faq .faq-contact__note {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--faq-body);
}

.page-faq .faq-contact__note a {
  color: var(--orange-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 窄屏微调 */
@media (max-width: 560px) {
  .page-faq .faq-head__lede {
    font-size: 0.9375rem;
  }

  .page-faq .qa__head {
    padding-left: 10px;
  }

  .page-faq .qa__no {
    flex-basis: 34px;
  }

  .page-faq .qa__body {
    padding-left: 10px;
  }

  .page-faq .faq-groups__item {
    flex-wrap: wrap;
  }

  .page-faq .faq-groups__desc {
    flex-basis: 100%;
    padding-left: 2px;
  }
}

/* 宽屏：左栏问题索引固定 */
@media (min-width: 1024px) {
  .page-faq .faq-layout {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: clamp(36px, 5vw, 72px);
    align-items: start;
  }

  .page-faq .faq-map {
    border-bottom: 0;
    border-right: 1px solid var(--faq-line);
    padding-bottom: 0;
    padding-right: 24px;
  }

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

  .page-faq .faq-body {
    max-width: 780px;
  }

  .page-faq .faq-figure--phone {
    margin-left: 0;
    margin-right: 0;
  }
}