.page-faq {
  --faq-pad: 18px;
  --faq-radius: 10px;
  --faq-ease: cubic-bezier(.2, .7, .3, 1);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  padding-bottom: 76px;
}

.page-faq .wrap {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding-inline: var(--faq-pad);
}

.page-faq .crumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-top: 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--mist);
}

.page-faq .crumbs a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .16s var(--faq-ease), border-color .16s var(--faq-ease);
}

.page-faq .crumbs a:hover,
.page-faq .crumbs a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

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

/* 首屏 */
.page-faq .faq-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  padding: 20px 0 6px;
}

.page-faq .eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--cyan);
}

.page-faq .faq-hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(28px, 7vw, 52px);
  line-height: 1.14;
  letter-spacing: -.015em;
  color: var(--paper);
}

.page-faq .lede {
  margin: 18px 0 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-hero__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-faq .faq-hero__meta {
  list-style: none;
  margin: 26px 0 0;
  padding: 14px 0 0;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 6px;
  font-size: 12px;
  letter-spacing: .02em;
  color: var(--mist);
}

.page-faq .faq-hero__visual {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  overflow: hidden;
  background: var(--panel);
  box-shadow: var(--shadow);
}

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

.page-faq .faq-hero__visual figcaption {
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--gold);
}

/* 两栏布局 */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 34px;
}

.page-faq .faq-rail {
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  background: var(--panel);
  padding: 14px;
}

.page-faq .rail__title {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--cyan);
}

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

.page-faq .rail__link {
  display: inline-block;
  white-space: nowrap;
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px;
  color: var(--mist);
  text-decoration: none;
  transition: color .16s var(--faq-ease), border-color .16s var(--faq-ease), background .16s var(--faq-ease);
}

.page-faq .rail__link:hover,
.page-faq .rail__link:focus-visible {
  color: var(--paper);
  border-color: var(--cyan);
}

.page-faq .rail__link.is-active,
.page-faq .rail__link[aria-current="true"] {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-faq .faq-body {
  min-width: 0;
}

/* 章节骨架 */
.page-faq .faq-sec {
  padding-top: 34px;
  scroll-margin-top: calc(var(--bar-h) + 18px);
}

.page-faq .faq-sec:first-child {
  padding-top: 6px;
}

.page-faq .faq-sec__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-sec__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .14em;
  color: var(--cyan);
}

.page-faq .faq-sec__head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 4.2vw, 28px);
  line-height: 1.3;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-faq .faq-sec__intro {
  margin: 14px 0 0;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

/* 热门问题索引 */
.page-faq .q-index {
  margin-top: 18px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.page-faq .q-card {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  background: var(--panel);
  color: var(--paper);
  font-size: 15px;
  line-height: 1.55;
  text-decoration: none;
  transition: border-color .16s var(--faq-ease), transform .16s var(--faq-ease), box-shadow .16s var(--faq-ease);
}

.page-faq .q-card:hover,
.page-faq .q-card:focus-visible {
  border-color: var(--cyan);
  transform: translateY(-2px);
  box-shadow: 0 14px 28px -24px rgba(0, 0, 0, .95);
}

.page-faq .q-card__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--gold);
}

.page-faq .q-card__text {
  min-width: 0;
}

.page-faq .faq-map {
  margin: 20px 0 0;
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  overflow: hidden;
  background: var(--panel);
}

.page-faq .faq-map img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  opacity: .92;
}

.page-faq .faq-map figcaption {
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  line-height: 1.7;
  color: var(--mist);
}

/* 答案折叠卡 */
.page-faq .ans {
  margin-top: 12px;
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  background: var(--panel);
  scroll-margin-top: calc(var(--bar-h) + 18px);
  transition: border-color .18s var(--faq-ease);
}

.page-faq .ans[open] {
  border-color: rgba(58, 242, 208, .45);
}

.page-faq .ans__sum {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 14px 16px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.55;
  color: var(--paper);
  cursor: pointer;
  list-style: none;
}

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

.page-faq .ans__sum::after {
  content: "+";
  margin-left: auto;
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--cyan);
}

.page-faq .ans[open] .ans__sum::after {
  content: "−";
  color: var(--gold);
}

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

.page-faq .ans__body {
  padding: 0 16px 16px;
  border-top: 1px solid var(--line);
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .ans__body p {
  margin: 12px 0 0;
}

.page-faq .ans__body p:first-child {
  margin-top: 14px;
}

.page-faq .inline-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(58, 242, 208, .4);
}

.page-faq .inline-link:hover,
.page-faq .inline-link:focus-visible {
  border-bottom-color: var(--cyan);
}

.page-faq .steps {
  list-style: none;
  counter-reset: faqstep;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .steps li {
  position: relative;
  counter-increment: faqstep;
  padding-left: 38px;
  line-height: 1.75;
}

.page-faq .steps li::before {
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  padding: 1px 5px;
  border: 1px solid var(--line);
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan);
}

/* 字段读法 */
.page-faq .fields {
  margin: 18px 0 0;
  display: grid;
  gap: 12px;
}

.page-faq .fields div {
  padding-left: 12px;
  border-left: 2px solid var(--line);
  display: grid;
  grid-template-columns: 1fr;
  gap: 3px;
}

.page-faq .fields dt {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .03em;
  color: var(--violet);
}

.page-faq .fields dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

/* 联系信息块 */
.page-faq .entry {
  margin-top: 18px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  background: var(--panel);
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-faq .entry__item {
  display: grid;
  gap: 6px;
  justify-items: start;
  padding-bottom: 14px;
  border-bottom: 1px dashed var(--line);
}

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

.page-faq .entry__label {
  margin: 0;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--gold);
}

.page-faq .entry__value {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--paper);
  word-break: break-word;
}

.page-faq .copy-btn {
  padding: 5px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  cursor: pointer;
  transition: border-color .16s var(--faq-ease), color .16s var(--faq-ease);
}

.page-faq .copy-btn:hover,
.page-faq .copy-btn:focus-visible {
  border-color: var(--cyan);
}

.page-faq .copy-btn[data-copied="true"] {
  color: var(--gold);
  border-color: var(--gold);
}

/* 排查路径图 */
.page-faq .flow {
  margin-top: 18px;
  padding: 12px 10px;
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  background: var(--panel);
  overflow-x: auto;
}

.page-faq .flow svg {
  display: block;
  min-width: 280px;
  width: 100%;
  height: auto;
}

/* 服务时间数据块 */
.page-faq .faq-stats {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  overflow: hidden;
}

.page-faq .stat {
  padding: 16px 14px;
  background: var(--ink);
  display: grid;
  gap: 6px;
}

.page-faq .stat__num {
  font-family: var(--font-mono);
  font-size: clamp(17px, 3.6vw, 22px);
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--cyan);
}

.page-faq .stat__label {
  font-size: 12px;
  line-height: 1.6;
  color: var(--mist);
}

/* 收尾行动区 */
.page-faq .faq-cta {
  margin-top: 44px;
  padding: 20px;
  border: 1px solid var(--gold);
  border-radius: 12px;
  background: linear-gradient(180deg, rgba(234, 180, 100, .08), rgba(7, 26, 23, 0) 70%), var(--panel);
  display: grid;
  gap: 16px;
}

.page-faq .faq-cta h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 21px;
  color: var(--paper);
}

.page-faq .faq-cta p {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

.page-faq .faq-cta__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* 平板与桌面 */
@media (min-width: 640px) {
  .page-faq .faq-hero__meta {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
  }

  .page-faq .q-index {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .entry {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .entry__item--wide {
    grid-column: 1 / -1;
    border-bottom: 0;
    padding-bottom: 0;
  }

  .page-faq .fields div {
    grid-template-columns: 150px minmax(0, 1fr);
    align-items: baseline;
  }

  .page-faq .faq-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    padding: 24px;
  }

  .page-faq .faq-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq {
    --faq-pad: 28px;
  }

  .page-faq .faq-hero {
    grid-template-columns: 1.08fr .92fr;
    align-items: center;
    gap: 40px;
    padding: 34px 0 22px;
  }

  .page-faq .lede {
    font-size: 17px;
  }

  .page-faq .faq-layout {
    grid-template-columns: 216px minmax(0, 1fr);
    gap: 44px;
    margin-top: 46px;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: calc(var(--bar-h) + 18px);
    padding: 16px 14px;
  }

  .page-faq .rail__list {
    flex-direction: column;
    overflow: visible;
    gap: 2px;
    padding-bottom: 0;
  }

  .page-faq .rail__link {
    display: block;
    white-space: normal;
    padding: 9px 0 9px 14px;
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
    font-size: 13.5px;
  }

  .page-faq .rail__link:hover,
  .page-faq .rail__link:focus-visible {
    color: var(--paper);
  }

  .page-faq .rail__link.is-active,
  .page-faq .rail__link[aria-current="true"] {
    background: transparent;
    color: var(--paper);
    border-left-color: var(--cyan);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .q-card,
  .page-faq .rail__link,
  .page-faq .copy-btn,
  .page-faq .crumbs a {
    transition: none;
  }

  .page-faq .q-card:hover {
    transform: none;
  }
}
<<<END>>>