.page-faq {
  --faq-line: var(--grid);
  --faq-line-soft: rgba(233, 243, 247, 0.18);
  color: var(--mist);
}

.page-faq .section-title {
  margin: 0 0 14px;
}

.page-faq .eyebrow {
  margin: 0 0 10px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: 20px 0 52px;
  background-color: var(--night);
  background-image:
    linear-gradient(to right, rgba(22, 50, 68, 0.55) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(22, 50, 68, 0.55) 1px, transparent 1px);
  background-size: 72px 72px;
  background-position: -1px -1px;
  border-bottom: 1px solid var(--grid);
}

.page-faq .breadcrumb {
  margin-bottom: 26px;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 32px;
}

.page-faq .faq-hero h1 {
  margin: 0 0 20px;
  font-family: var(--sans);
  font-weight: 900;
  font-size: clamp(34px, 6.4vw, 72px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  max-width: 16em;
}

.page-faq .faq-hero__num {
  font-style: normal;
  font-family: var(--mono);
  font-weight: 500;
  color: var(--amber);
  letter-spacing: -0.04em;
}

.page-faq .faq-hero__sub {
  margin: 0 0 14px;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--slate);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 22px;
  margin-top: 26px;
}

.page-faq .faq-hero__more {
  font-size: 14px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(69, 217, 255, 0.4);
  padding-bottom: 2px;
}

.page-faq .faq-hero__more:hover {
  color: var(--mint);
  border-bottom-color: var(--mint);
}

.page-faq .faq-hero__index {
  border-top: 1px solid var(--grid);
  align-self: start;
}

.page-faq .faq-hero__idx {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--grid);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--slate);
}

.page-faq .faq-hero__v {
  font-family: var(--mono);
  font-size: 26px;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--mist);
}

.page-faq .faq-hero__note {
  margin: 16px 0 0;
}

/* ---------- 节点带 ---------- */
.page-faq .faq-route {
  padding: 52px 0 44px;
  background: var(--teal);
  border-top: 2px solid var(--pass);
  border-bottom: 1px solid var(--grid);
}

.page-faq .faq-route__lead {
  margin: 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--slate);
}

.page-faq .faq-route__map {
  margin: 28px 0 0;
}

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

.page-faq .faq-route__map figcaption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--slate);
}

.page-faq .faq-route__rail {
  margin-top: 24px;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  border-top: 1px solid var(--grid);
  border-bottom: 1px solid var(--grid);
  background: linear-gradient(to bottom, rgba(6, 18, 31, 0.35), rgba(6, 18, 31, 0));
}

.page-faq .faq-route__rail:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 4px;
}

.page-faq .faq-steps {
  display: flex;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-step {
  position: relative;
  flex: 0 0 auto;
  width: 122px;
  min-height: 118px;
  padding: 16px 12px 16px;
  border-left: 1px solid var(--grid);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 14px;
  scroll-snap-align: start;
}

.page-faq .faq-step:last-child {
  border-right: 1px solid var(--grid);
}

.page-faq .faq-step::after {
  content: "";
  position: absolute;
  left: -4px;
  top: 24px;
  width: 7px;
  height: 7px;
  background: var(--cyan);
  opacity: 0.5;
}

.page-faq .faq-step__num {
  font-family: var(--mono);
  font-size: 40px;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--slate);
}

.page-faq .faq-step__name {
  font-size: 13px;
  line-height: 1.5;
  color: var(--mist);
}

.page-faq .faq-step.is-active {
  background: linear-gradient(180deg, rgba(255, 138, 61, 0.16), rgba(255, 138, 61, 0));
}

.page-faq .faq-step.is-active .faq-step__num {
  color: var(--amber);
}

.page-faq .faq-step.is-active .faq-step__name {
  color: #ffffff;
  font-weight: 600;
}

.page-faq .faq-step.is-active::after {
  background: var(--amber);
  opacity: 1;
  box-shadow: 0 0 12px var(--amber);
}

/* ---------- 四段说明 ---------- */
.page-faq .faq-segs {
  padding: 52px 0 20px;
  background: var(--night);
  border-bottom: 1px solid var(--grid);
}

.page-faq .faq-seg {
  --seg: var(--cyan);
  display: grid;
  gap: 20px;
  padding: 34px 0;
  border-top: 1px solid var(--grid);
}

.page-faq .faq-seg--enter {
  --seg: var(--pass);
}

.page-faq .faq-seg--check {
  --seg: var(--amber);
}

.page-faq .faq-seg--return {
  --seg: var(--mint);
}

.page-faq .faq-seg__head {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-faq .faq-seg__no {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--seg);
}

.page-faq .faq-seg__title {
  margin: 0;
  padding-left: 12px;
  border-left: 3px solid var(--seg);
  font-size: clamp(24px, 4vw, 32px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--mist);
}

.page-faq .faq-seg__lead {
  margin: 0;
  max-width: 30ch;
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate);
}

.page-faq .faq-seg__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 16px;
  max-width: 68ch;
}

.page-faq .faq-seg__item {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
}

.page-faq .faq-seg__n {
  font-family: var(--mono);
  font-size: 14px;
  letter-spacing: 0.02em;
  color: var(--seg);
}

.page-faq .faq-seg__txt {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--slate);
}

.page-faq .faq-seg__txt strong {
  color: var(--mist);
  font-weight: 600;
}

/* ---------- 检查清单 ---------- */
.page-faq .faq-check {
  padding: 52px 0;
  background: var(--indigo);
  border-bottom: 1px solid var(--grid);
}

.page-faq .faq-check__grid {
  display: grid;
  gap: 32px;
}

.page-faq .faq-check__lead {
  margin: 0;
  max-width: 54ch;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(233, 243, 247, 0.78);
}

.page-faq .faq-checklist {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--faq-line-soft);
}

.page-faq .faq-checklist li {
  border-bottom: 1px solid var(--faq-line-soft);
}

.page-faq .faq-tick {
  position: relative;
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 15px 0;
  cursor: pointer;
}

.page-faq .faq-tick input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.page-faq .faq-tick__box {
  position: relative;
  width: 18px;
  height: 18px;
  margin-top: 3px;
  border: 1px solid rgba(233, 243, 247, 0.4);
  background: rgba(6, 18, 31, 0.45);
}

.page-faq .faq-tick input:checked + .faq-tick__box {
  background: var(--pass);
  border-color: var(--pass);
}

.page-faq .faq-tick input:checked + .faq-tick__box::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 1px;
  width: 5px;
  height: 9px;
  border-right: 2px solid var(--night);
  border-bottom: 2px solid var(--night);
  transform: rotate(40deg);
}

.page-faq .faq-tick input:focus-visible + .faq-tick__box {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-faq .faq-tick__text {
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(233, 243, 247, 0.8);
}

.page-faq .faq-tick__text strong {
  display: block;
  margin-bottom: 2px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  font-weight: 500;
  color: var(--mint);
}

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

.page-faq .faq-check__media figcaption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(233, 243, 247, 0.62);
}

/* ---------- 常见问题 ---------- */
.page-faq .faq-qa {
  padding: 52px 0;
  background: var(--teal);
  border-bottom: 1px solid var(--grid);
}

.page-faq .faq-qa__grid {
  display: grid;
  gap: 32px;
}

.page-faq .faq-qa__title {
  font-size: clamp(24px, 4.4vw, 32px);
}

.page-faq .faq-cat-list {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-cat {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--grid);
  font-size: 13.5px;
  color: var(--slate);
}

.page-faq .faq-cat span:last-child {
  font-family: var(--mono);
  color: var(--cyan);
}

.page-faq .faq-qa__note {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--slate);
}

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

.page-faq .faq-item {
  border-top: 1px solid var(--grid);
}

.page-faq .faq-item:last-of-type {
  border-bottom: 1px solid var(--grid);
}

.page-faq .faq-item summary {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 17px 0;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-item__q {
  display: block;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.65;
  color: var(--mist);
}

.page-faq .faq-item__tag {
  display: block;
  margin-bottom: 6px;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-faq .faq-item__mark {
  flex: 0 0 auto;
  font-family: var(--mono);
  font-size: 18px;
  line-height: 1.4;
  color: var(--cyan);
}

.page-faq .faq-item__mark::before {
  content: "+";
}

.page-faq .faq-item[open] .faq-item__mark::before {
  content: "−";
}

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

.page-faq .faq-item[open] summary {
  padding-bottom: 10px;
}

.page-faq .faq-item__a {
  padding: 0 0 20px;
  max-width: 66ch;
}

.page-faq .faq-item__a p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--slate);
}

.page-faq .faq-item__a a {
  color: var(--cyan);
}

/* ---------- 反馈路径 ---------- */
.page-faq .faq-help {
  padding: 52px 0 64px;
  background: var(--night);
}

.page-faq .faq-help__lead {
  margin: 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--slate);
}

.page-faq .faq-help__grid {
  display: grid;
  gap: 0;
  margin-top: 30px;
}

.page-faq .faq-help__card {
  padding: 24px 0;
  border-top: 1px solid var(--grid);
}

.page-faq .faq-help__no {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-faq .faq-help__card h3 {
  margin: 8px 0 10px;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--mist);
}

.page-faq .faq-help__card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--slate);
}

.page-faq .faq-help__link {
  display: inline-block;
  margin-top: 12px;
  font-size: 14px;
  color: var(--pass);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 224, 138, 0.4);
  padding-bottom: 2px;
}

.page-faq .faq-help__link:hover {
  color: var(--mint);
  border-bottom-color: var(--mint);
}

.page-faq .faq-help__links {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
}

.page-faq .faq-mail {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 12px;
}

.page-faq .faq-mail__val {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--mint);
  word-break: break-all;
}

.page-faq .faq-copy {
  padding: 7px 14px;
  font-size: 12px;
}

.page-faq .faq-help__minor {
  margin-top: 10px;
  font-size: 12.5px;
  color: var(--slate);
}

.page-faq .faq-help__tail {
  margin: 28px 0 0;
  padding-top: 20px;
  border-top: 1px solid var(--grid);
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--slate);
}

.page-faq .faq-help__tail a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(69, 217, 255, 0.35);
}

.page-faq .faq-help__tail a:hover {
  color: var(--mint);
}

/* ---------- 断点 ---------- */
@media (min-width: 768px) {
  .page-faq .faq-step {
    width: 148px;
    min-height: 132px;
    padding: 20px 14px 18px;
  }

  .page-faq .faq-step__num {
    font-size: 48px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding: 24px 0 64px;
  }

  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 60px;
    align-items: end;
  }

  .page-faq .faq-hero__index {
    align-self: end;
  }

  .page-faq .faq-route {
    padding: 64px 0 56px;
  }

  .page-faq .faq-segs {
    padding: 64px 0 24px;
  }

  .page-faq .faq-seg {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: 44px;
    padding: 44px 0;
  }

  .page-faq .faq-qa__grid {
    grid-template-columns: 216px minmax(0, 1fr);
    gap: 56px;
  }

  .page-faq .faq-qa__cats {
    position: sticky;
    top: calc(var(--head-h) + 24px);
    align-self: start;
  }

  .page-faq .faq-check__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 56px;
    align-items: start;
  }

  .page-faq .faq-help__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-help__card {
    padding: 0 30px;
    border-top: none;
    border-left: 1px solid var(--grid);
  }

  .page-faq .faq-help__card:first-child {
    padding-left: 0;
    border-left: none;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-seg__list {
    gap: 18px;
  }
}
<<<END>>>