.page-faq {
  --faq-index-w: 236px;
  --faq-ink-soft: #C8DAD4;
  --faq-rule: 1px solid var(--mist-500);
  background: var(--ink-900);
  color: var(--fog-050);
  font-family: var(--font-body);
  overflow-x: clip;
}

.page-faq *,
.page-faq *::before,
.page-faq *::after {
  box-sizing: border-box;
}

.page-faq .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 18px 0 0;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mist-300);
}

.page-faq .breadcrumbs__link {
  color: var(--mist-300);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

.page-faq .breadcrumbs__link:hover,
.page-faq .breadcrumbs__link:focus-visible {
  color: var(--cyan-500);
  outline: none;
}

.page-faq .breadcrumbs__current {
  color: var(--fog-050);
}

/* ---------- 首屏 ---------- */
.faq-hero {
  position: relative;
  padding: clamp(24px, 5vw, 52px) 0 clamp(32px, 5vw, 64px);
}

.faq-hero__inner {
  display: grid;
  gap: 30px;
}

.faq-hero .eyebrow {
  margin: 0 0 14px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--cyan-500);
}

.faq-hero h1 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: clamp(30px, 7.2vw, 58px);
  font-weight: 700;
  line-height: 1.06;
  letter-spacing: -0.015em;
  max-width: 16em;
}

.faq-hero .lede {
  margin: 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.9;
  color: var(--faq-ink-soft);
}

.faq-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 34px;
  margin-top: 26px;
  padding-top: 18px;
  border-top: var(--faq-rule);
}

.faq-stats__item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.faq-stats__num {
  font-family: var(--font-mono);
  font-size: 22px;
  line-height: 1;
  color: var(--cyan-500);
  font-variant-numeric: tabular-nums;
}

.faq-stats__label {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mist-300);
}

.faq-hero__media {
  margin: 0;
}

.faq-hero__media .media__img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border-radius: var(--radius);
}

.faq-hero__media .media__caption {
  margin-top: 10px;
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--mist-300);
}

/* ---------- 主体两栏 ---------- */
.faq-body {
  display: grid;
  gap: 30px;
  padding: clamp(30px, 5vw, 60px) 0 clamp(36px, 5vw, 64px);
  align-items: start;
}

.faq-index {
  border-top: var(--faq-rule);
  padding-top: 16px;
}

.faq-index__title {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mist-300);
}

.faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.faq-index__link {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 2px 10px;
  padding: 10px 12px;
  text-decoration: none;
  color: var(--faq-ink-soft);
  border-left: 2px solid var(--mist-500);
  background: transparent;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.faq-index__link:hover,
.faq-index__link:focus-visible {
  background: var(--ink-800);
  border-left-color: var(--cyan-500);
  color: var(--fog-050);
  outline: none;
}

.faq-index__num {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  color: var(--cyan-500);
}

.faq-index__label {
  font-size: 14.5px;
  line-height: 1.5;
}

.faq-index__note {
  grid-column: 2;
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--mist-300);
}

.faq-index__help {
  margin-top: 22px;
  padding-top: 16px;
  border-top: var(--faq-rule);
}

.faq-index__mail {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan-500);
  word-break: break-all;
}

.faq-index__hint {
  margin: 8px 0 0;
  font-size: 11.5px;
  line-height: 1.8;
  color: var(--mist-300);
}

/* ---------- 主题章节 ---------- */
.faq-panels {
  min-width: 0;
}

.faq-topic {
  padding-bottom: clamp(28px, 4vw, 46px);
  margin-bottom: clamp(28px, 4vw, 46px);
  border-bottom: var(--faq-rule);
  scroll-margin-top: 96px;
}

.faq-topic:last-child {
  border-bottom: 0;
  margin-bottom: 0;
  padding-bottom: 0;
}

.faq-topic__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.faq-topic__num {
  font-family: var(--font-mono);
  font-size: clamp(20px, 3vw, 26px);
  line-height: 1;
  color: var(--orange-500);
  font-variant-numeric: tabular-nums;
}

.faq-topic__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(22px, 4.6vw, 32px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

.faq-topic__lede {
  margin: 10px 0 18px;
  max-width: 38em;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--mist-300);
}

.faq-topic__tail {
  margin: 16px 0 0;
  max-width: 34em;
  font-size: 14px;
  line-height: 1.9;
  color: var(--mist-300);
}

.faq-sub {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--fog-050);
}

/* ---------- 问答折叠 ---------- */
.faq-topic .accordion {
  border-top: var(--faq-rule);
}

.faq-topic .accordion__item {
  border-bottom: var(--faq-rule);
}

.faq-q {
  margin: 0;
  font-size: 15px;
  font-weight: 500;
}

.faq-topic .accordion__trigger {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  width: 100%;
  padding: 15px 0;
  background: none;
  border: 0;
  font-family: inherit;
  font-size: 15px;
  line-height: 1.7;
  color: var(--fog-050);
  text-align: left;
  cursor: pointer;
  transition: color 0.2s var(--ease);
}

.faq-topic .accordion__trigger::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1.7;
  color: var(--cyan-500);
}

.faq-topic .accordion__trigger[aria-expanded="true"]::after {
  content: "\2212";
}

.faq-topic .accordion__trigger:hover,
.faq-topic .accordion__trigger:focus-visible {
  color: var(--cyan-500);
  outline: none;
}

.faq-topic .accordion__panel {
  overflow: hidden;
}

.faq-topic .accordion__panel-inner {
  max-width: 34em;
  padding: 0 0 18px;
  font-size: 15px;
  line-height: 1.9;
  color: var(--faq-ink-soft);
}

.faq-topic .accordion__panel-inner p {
  margin: 12px 0 0;
}

/* ---------- 步骤列表 ---------- */
.faq-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: faqstep;
  display: grid;
  gap: 12px;
}

.faq-steps > li {
  position: relative;
  padding-left: 34px;
}

.faq-steps > li::before {
  counter-increment: faqstep;
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--cyan-500);
}

.faq-steps > li::after {
  content: "";
  position: absolute;
  left: 20px;
  top: 22px;
  bottom: -12px;
  width: 1px;
  background: var(--mist-500);
}

.faq-steps > li:last-child::after {
  display: none;
}

/* ---------- 升降图例 ---------- */
.faq-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist-300);
}

.faq-legend__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

/* ---------- 联系卡 ---------- */
.faq-contact {
  display: grid;
  gap: 18px;
  margin: 4px 0 26px;
  padding: 20px;
  background: var(--ink-800);
  border-left: 2px solid var(--cyan-500);
  border-radius: var(--radius);
}

.faq-contact__label {
  margin: 0 0 6px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mist-300);
}

.faq-contact__mail {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--cyan-500);
  word-break: break-all;
}

.faq-contact__value {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--fog-050);
}

/* ---------- 相关入口 ---------- */
.faq-next {
  border-top: var(--faq-rule);
  background: var(--ink-800);
  padding: clamp(30px, 5vw, 56px) 0;
}

.faq-next__title {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-size: clamp(20px, 3.4vw, 26px);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.faq-next__grid {
  display: grid;
  gap: 2px;
}

.faq-next__link {
  display: grid;
  gap: 6px;
  padding: 16px 14px;
  text-decoration: none;
  color: var(--fog-050);
  border-top: var(--faq-rule);
  transition: background 0.2s var(--ease), color 0.2s var(--ease), padding-left 0.2s var(--ease);
}

.faq-next__link:hover,
.faq-next__link:focus-visible {
  background: var(--ink-700);
  color: var(--cyan-500);
  padding-left: 20px;
  outline: none;
}

.faq-next__label {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.faq-next__desc {
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist-300);
}

/* ---------- 页尾图片 ---------- */
.faq-outro {
  margin: 0;
  position: relative;
}

.faq-outro img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  max-height: 400px;
  object-fit: cover;
}

.faq-outro__caption {
  padding: 12px var(--page-gutter) 0;
  font-size: 11.5px;
  letter-spacing: 0.05em;
  color: var(--mist-300);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .faq-contact {
    grid-template-columns: 1.1fr 1fr;
    gap: 24px;
    align-items: start;
  }

  .faq-next__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 2px 28px;
  }
}

@media (min-width: 900px) {
  .faq-hero__inner {
    grid-template-columns: 5fr 7fr;
    gap: 48px;
    align-items: end;
  }

  .faq-hero__media .media__img {
    clip-path: polygon(0 0, 100% 0, 100% 93%, 0 100%);
  }

  .faq-hero__media {
    transform: translateY(-6px);
  }
}

@media (min-width: 980px) {
  .faq-body {
    grid-template-columns: var(--faq-index-w) minmax(0, 1fr);
    gap: clamp(32px, 5vw, 72px);
  }

  .faq-index {
    position: sticky;
    top: 20px;
    border-top: 0;
    padding-top: 0;
  }

  .faq-topic .accordion__trigger {
    padding: 17px 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq * {
    transition-duration: 0.01ms !important;
  }
}
<<<END>>>