.page-faq {
  background: var(--paper);
  color: var(--midnight);
}

.page-faq [id] {
  scroll-margin-top: 92px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-block: clamp(20px, 3vw, 32px) clamp(28px, 4vw, 52px);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  margin-top: clamp(18px, 3vw, 30px);
}

.page-faq .faq-hero__title {
  margin: 14px 0 0;
  font-size: clamp(27px, 4.6vw, 52px);
  line-height: 1.18;
  letter-spacing: 0.01em;
  font-weight: 800;
  color: var(--midnight);
}

.page-faq .faq-lede {
  margin: 18px 0 0;
  max-width: 33em;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--midnight);
}

.page-faq .faq-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--steel);
}

.page-faq .faq-meta b {
  color: var(--green-deep);
  font-weight: 700;
}

.page-faq .faq-quick {
  border: 1px solid var(--line);
  border-top: 3px solid var(--green);
  background: var(--paper);
  padding: 18px 18px 12px;
}

.page-faq .faq-quick__title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--steel);
}

.page-faq .faq-quick__list {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-quick__link {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 11px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 14.5px;
  line-height: 1.5;
  color: var(--midnight);
  text-decoration: none;
  transition: color 120ms linear, padding-left 160ms var(--ease);
}

.page-faq .faq-quick__list li:last-child .faq-quick__link {
  border-bottom: 0;
}

.page-faq .faq-quick__link span:last-child {
  font-family: var(--font-mono);
  color: var(--green-deep);
}

.page-faq .faq-quick__link:hover,
.page-faq .faq-quick__link:focus-visible {
  color: var(--green-deep);
  padding-left: 6px;
}

/* ---------- 结构图 ---------- */
.page-faq .faq-figure {
  margin: 0;
  border-bottom: 1px solid var(--line);
  background: var(--mint);
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 8 / 3;
  object-fit: cover;
}

.page-faq .faq-figure figcaption {
  padding: 10px 0 12px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--steel);
}

/* ---------- 分类索引 ---------- */
.page-faq .faq-index-wrap {
  padding-block: clamp(26px, 4vw, 46px);
}

.page-faq .faq-index-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px 20px;
  margin-bottom: 18px;
}

.page-faq .faq-index-title {
  margin: 0;
  font-size: clamp(20px, 2.4vw, 27px);
  letter-spacing: 0.02em;
  color: var(--midnight);
}

.page-faq .faq-goto {
  display: inline-block;
  font-size: 14px;
  color: var(--green-deep);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  line-height: 1.5;
}

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

.page-faq .faq-index {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--hair);
  border: 1px solid var(--hair);
}

.page-faq .faq-index__card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-height: 128px;
  padding: 16px 14px 14px;
  background: var(--paper);
  color: var(--midnight);
  text-decoration: none;
  transition: background 140ms linear;
}

.page-faq .faq-index__card:first-child {
  grid-column: span 2;
}

.page-faq .faq-index__card::after {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: var(--green);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 200ms var(--ease);
}

.page-faq .faq-index__card:hover,
.page-faq .faq-index__card:focus-visible {
  background: var(--mint);
  outline: none;
}

.page-faq .faq-index__card:hover::after,
.page-faq .faq-index__card:focus-visible::after {
  transform: scaleX(1);
}

.page-faq .faq-index__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--green-deep);
}

.page-faq .faq-index__name {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.page-faq .faq-index__card:first-child .faq-index__name {
  font-size: clamp(18px, 2.2vw, 23px);
}

.page-faq .faq-index__desc {
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--steel);
}

.page-faq .faq-index__count {
  margin-top: auto;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--midnight);
}

.page-faq .faq-index__count::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 6px;
  background: var(--cyan);
  vertical-align: middle;
}

/* ---------- 高频问答 ---------- */
.page-faq .faq-hot {
  background: var(--mint);
  padding-block: clamp(28px, 4vw, 50px);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hot__head {
  max-width: 42em;
  margin-bottom: clamp(16px, 2.5vw, 26px);
}

.page-faq .faq-hot__head h2 {
  margin: 10px 0 8px;
  font-size: clamp(21px, 2.8vw, 30px);
  letter-spacing: 0.02em;
  color: var(--midnight);
}

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

.page-faq .faq-hot__list {
  border-top: 1px solid rgba(11, 27, 43, 0.16);
}

.page-faq .faq-hot .q {
  border-bottom: 1px solid rgba(11, 27, 43, 0.16);
}

.page-faq .faq-hot .q__body {
  max-width: 60ch;
}

/* ---------- 折叠问答 ---------- */
.page-faq .q {
  border-bottom: 1px solid var(--line);
}

.page-faq .q summary {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 15px 10px 15px 16px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--midnight);
  list-style: none;
  transition: color 120ms linear;
}

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

.page-faq .q summary::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  bottom: 9px;
  width: 3px;
  background: var(--green);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 180ms var(--ease);
}

.page-faq .q summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 400;
  color: var(--steel);
  line-height: 1;
}

.page-faq .q[open] summary::before {
  transform: scaleY(1);
}

.page-faq .q[open] summary {
  color: var(--green-deep);
}

.page-faq .q[open] summary::after {
  content: "−";
  color: var(--green-deep);
}

.page-faq .q summary:hover {
  color: var(--green-deep);
}

.page-faq .q__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--steel);
  letter-spacing: 0.06em;
}

.page-faq .q[open] .q__num {
  color: var(--green);
}

.page-faq .q__body {
  padding: 0 10px 22px 28px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--midnight);
}

.page-faq .q__body p {
  margin: 0;
  max-width: 60ch;
}

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

.page-faq .faq-steps li {
  counter-increment: step;
  position: relative;
  padding-left: 34px;
  font-size: 15px;
  line-height: 1.75;
}

.page-faq .faq-steps li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 2px;
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  border: 1px solid var(--green);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1;
  color: var(--green-deep);
}

.page-faq .faq-note {
  margin: 14px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--hair);
  font-size: 13px;
  line-height: 1.75;
  color: var(--steel);
}

/* ---------- 分类组 ---------- */
.page-faq .faq-groups {
  padding-block: clamp(24px, 3.5vw, 40px) clamp(8px, 1.5vw, 16px);
}

.page-faq .faq-group {
  margin-bottom: clamp(26px, 3.5vw, 40px);
}

.page-faq .faq-band {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  padding: 12px clamp(14px, 2vw, 20px);
  background: var(--midnight);
  color: var(--paper);
  border-left: 4px solid var(--green);
}

.page-faq .faq-band__num {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--green);
}

.page-faq .faq-band__title {
  margin: 0;
  font-size: clamp(17px, 2vw, 21px);
  letter-spacing: 0.05em;
  color: var(--paper);
}

.page-faq .faq-band__count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--hair);
}

.page-faq .faq-group__body {
  border: 1px solid var(--line);
  border-top: 0;
  padding: 2px clamp(10px, 1.6vw, 20px) 8px;
  background: var(--paper);
}

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

/* ---------- 相关入口 ---------- */
.page-faq .faq-next {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--mint);
  padding-block: clamp(20px, 3vw, 30px);
}

.page-faq .faq-next__list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-next__link {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--midnight);
  text-decoration: none;
  font-size: 15px;
  transition: border-color 140ms linear, background 140ms linear;
}

.page-faq .faq-next__link small {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--steel);
}

.page-faq .faq-next__link:hover,
.page-faq .faq-next__link:focus-visible {
  border-color: var(--green);
  background: var(--paper);
  outline: none;
  box-shadow: inset 3px 0 0 var(--green);
}

/* ---------- 转人工 ---------- */
.page-faq .faq-support {
  background: var(--midnight);
  color: var(--paper);
  padding-block: clamp(34px, 5vw, 64px);
}

.page-faq .faq-support__grid {
  display: grid;
  gap: clamp(26px, 4vw, 46px);
}

.page-faq .faq-support__media {
  margin: 0;
  border: 1px solid rgba(185, 207, 214, 0.24);
}

.page-faq .faq-support__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

.page-faq .faq-support__body h2 {
  margin: 10px 0 12px;
  font-size: clamp(22px, 3vw, 34px);
  line-height: 1.25;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-faq .faq-support__body > p {
  margin: 0;
  max-width: 44em;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--hair);
}

.page-faq .faq-ready {
  counter-reset: ready;
  display: grid;
  gap: 12px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-ready li {
  counter-increment: ready;
  position: relative;
  padding-left: 42px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--hair);
}

.page-faq .faq-ready li::before {
  content: "0" counter(ready);
  position: absolute;
  left: 0;
  top: 0;
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(18, 209, 142, 0.55);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1;
  color: var(--green);
}

.page-faq .faq-ready strong {
  display: block;
  color: var(--paper);
  font-weight: 700;
  letter-spacing: 0.02em;
}

.page-faq .faq-ready span {
  display: block;
  margin-top: 2px;
  font-size: 14px;
  line-height: 1.7;
}

.page-faq .faq-support__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 22px;
  margin-top: 28px;
}

.page-faq .faq-support__link {
  font-size: 14px;
  color: var(--green);
  text-decoration: none;
  border-bottom: 1px solid rgba(18, 209, 142, 0.5);
  padding-bottom: 2px;
}

.page-faq .faq-support__link:hover,
.page-faq .faq-support__link:focus-visible {
  color: var(--volt);
  border-bottom-color: var(--volt);
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-next__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-next__link {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-index {
    grid-template-columns: repeat(7, minmax(0, 1fr));
  }

  .page-faq .faq-index__card:first-child {
    grid-column: span 2;
  }

  .page-faq .faq-support__grid {
    grid-template-columns: minmax(0, 4.4fr) minmax(0, 7fr);
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7.2fr) minmax(0, 4.2fr);
    align-items: start;
  }

  .page-faq .q summary {
    font-size: 16.5px;
  }

  .page-faq .q__body {
    padding-left: 34px;
    max-width: 62ch;
  }
}
<<<END>>>