.page-faq {
  --faq-card-a: #132C46;
  --faq-card-b: #17364f;
  --faq-card-c: #1b3f5e;
  --faq-ok: #18E0C8;
  --faq-warn: #FFC24B;
  --faq-act: #F2652A;
  background: var(--night);
  color: var(--snow);
  overflow-x: hidden;
}

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

.page-faq .breadcrumb {
  padding-top: 18px;
  padding-bottom: 6px;
}

.page-faq .breadcrumb ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--dust);
}

.page-faq .breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--line);
}

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

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

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(26px, 4vw, 48px) 0 clamp(34px, 5vw, 60px);
  background:
    radial-gradient(115% 85% at 10% -15%, rgba(24, 224, 200, 0.16), transparent 62%),
    radial-gradient(90% 80% at 102% 0%, rgba(242, 101, 42, 0.14), transparent 58%),
    linear-gradient(180deg, var(--night) 0%, var(--night-2) 100%);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 60%;
  pointer-events: none;
  background: repeating-linear-gradient(
    115deg,
    rgba(234, 243, 247, 0.028) 0 1px,
    transparent 1px 120px
  );
}

.page-faq .faq-hero .wrap {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero__eyebrow {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-faq .faq-hero__title {
  margin: 16px 0 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(32px, 7.2vw, 60px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  max-width: 12em;
}

.page-faq .faq-hero__lede {
  margin: 20px 0 0;
  max-width: 620px;
  font-size: clamp(15.5px, 1.4vw, 17px);
  line-height: 1.78;
  color: var(--dust);
}

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

/* ---------- 步骤卡 ---------- */
.page-faq .faq-steps {
  margin-top: clamp(34px, 5vw, 58px);
  position: relative;
  z-index: 1;
}

.page-faq .faq-steps__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 22px;
  margin-bottom: 14px;
}

.page-faq .faq-steps__kicker {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--lake);
}

.page-faq .faq-steps__hint {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--dust);
}

.page-faq .faq-steps__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.page-faq .faq-step {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 13px;
  padding: clamp(20px, 3.4vw, 30px);
  background: var(--faq-card-a);
  overflow: hidden;
}

.page-faq .faq-step:nth-child(2) {
  background: var(--faq-card-b);
}

.page-faq .faq-step:nth-child(3) {
  background: var(--faq-card-c);
}

.page-faq .faq-step::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 0;
  height: 0;
  border-top: 28px solid rgba(24, 224, 200, 0.4);
  border-left: 28px solid transparent;
}

.page-faq .faq-step__num {
  font-size: clamp(30px, 4vw, 40px);
  line-height: 1;
  letter-spacing: -0.05em;
  color: var(--cyan);
  opacity: 0.72;
}

.page-faq .faq-step__dots {
  display: flex;
  gap: 6px;
}

.page-faq .faq-step__dots i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(147, 169, 188, 0.32);
}

.page-faq .faq-step__dots i.is-on {
  background: var(--cyan);
}

.page-faq .faq-step__title {
  margin: 0;
  font-size: clamp(17px, 2.1vw, 20px);
  line-height: 1.34;
  letter-spacing: -0.01em;
  font-weight: 700;
}

.page-faq .faq-step__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--dust);
}

.page-faq .faq-step__check {
  margin: auto 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--cyan);
  font-size: 13px;
  line-height: 1.62;
  color: var(--snow);
  opacity: 0.82;
}

/* ---------- 横幅 ---------- */
.page-faq .faq-banner {
  margin: 0 auto;
  padding: clamp(26px, 4vw, 50px) 0;
}

.page-faq .faq-banner__media {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-faq .faq-banner .media__caption {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--dust);
}

/* ---------- 章节通用 ---------- */
.page-faq .faq-section {
  padding: clamp(46px, 7vw, 92px) 0;
  border-top: 1px solid var(--line);
}

.page-faq .faq-section--alt {
  background: var(--night-2);
}

.page-faq .faq-section__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(12px, 3vw, 30px);
  align-items: start;
  margin-bottom: clamp(24px, 4vw, 42px);
}

.page-faq .faq-section__head .section__num {
  font-size: clamp(38px, 7vw, 72px);
  line-height: 0.86;
  letter-spacing: -0.05em;
  color: var(--snow);
  opacity: 0.16;
}

.page-faq .section__kicker {
  margin: 0 0 8px;
  font-size: 11.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--lake);
}

.page-faq .faq-section__head .section__title {
  margin: 0;
  font-size: clamp(22px, 3.9vw, 36px);
  line-height: 1.2;
  letter-spacing: -0.018em;
  font-weight: 800;
}

/* ---------- 现象分流 ---------- */
.page-faq .faq-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 46px);
}

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

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

.page-faq .faq-fold summary {
  position: relative;
  display: block;
  padding: 18px 42px 18px 0;
  cursor: pointer;
  list-style: none;
  font-size: clamp(15.5px, 1.9vw, 18px);
  font-weight: 700;
  line-height: 1.45;
  color: var(--snow);
  transition: color 0.2s var(--ease);
}

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

.page-faq .faq-fold summary:hover {
  color: var(--cyan);
}

.page-faq .faq-fold summary::after {
  content: "";
  position: absolute;
  right: 6px;
  top: 24px;
  width: 13px;
  height: 13px;
  background:
    linear-gradient(var(--cyan), var(--cyan)) center / 100% 1.5px no-repeat,
    linear-gradient(var(--cyan), var(--cyan)) center / 1.5px 100% no-repeat;
  transition: transform 0.26s var(--ease);
}

.page-faq .faq-fold[open] summary::after {
  transform: rotate(45deg);
}

.page-faq .faq-fold[open] summary {
  color: var(--cyan);
}

.page-faq .faq-fold__body {
  padding: 0 0 20px;
  max-width: 44em;
}

.page-faq .faq-fold__body p {
  margin: 0 0 10px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--dust);
}

.page-faq .faq-fold__body p:last-child {
  margin-bottom: 0;
}

.page-faq .faq-aside {
  align-self: start;
  padding: 22px;
  background: var(--rock);
  border-left: 2px solid var(--flag);
  border-radius: var(--radius);
}

.page-faq .faq-aside__label {
  margin: 0 0 10px;
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--flag);
}

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

.page-faq .faq-aside__link {
  display: inline-block;
  margin-top: 16px;
  font-size: 13.5px;
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-aside__link:hover {
  color: var(--snow);
}

/* ---------- 兼容对照 ---------- */
.page-faq .faq-compat__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 44px);
}

.page-faq .faq-compat__lede {
  margin: 0 0 22px;
  max-width: 40em;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--dust);
}

.page-faq .faq-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-faq .faq-table th {
  text-align: left;
  padding: 12px 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--dust);
  background: rgba(6, 20, 38, 0.6);
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

.page-faq .faq-table td {
  padding: 13px 14px;
  border-bottom: 1px solid var(--line);
  line-height: 1.6;
  vertical-align: top;
  color: var(--dust);
}

.page-faq .faq-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-faq .faq-table tbody tr:nth-child(even) {
  background: rgba(234, 243, 247, 0.022);
}

.page-faq .faq-table td:first-child {
  color: var(--snow);
  font-weight: 500;
}

.page-faq .faq-status {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 12.5px;
  white-space: nowrap;
  color: var(--dust);
}

.page-faq .faq-status::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
  flex: none;
}

.page-faq .faq-status--ok {
  color: var(--faq-ok);
}

.page-faq .faq-status--warn {
  color: var(--faq-warn);
}

.page-faq .faq-status--act {
  color: var(--faq-act);
}

.page-faq .faq-note {
  margin: 18px 0 0;
  padding-left: 14px;
  border-left: 1px solid var(--line);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--dust);
}

.page-faq .faq-note a,
.page-faq .faq-export__foot a,
.page-faq .faq-docs__foot a {
  color: var(--lake);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-note a:hover,
.page-faq .faq-export__foot a:hover,
.page-faq .faq-docs__foot a:hover {
  color: var(--cyan);
}

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

.page-faq .faq-compat__media {
  aspect-ratio: 5 / 6;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.page-faq .faq-compat__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-faq .faq-compat__figure .media__caption {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--dust);
}

/* ---------- 导出 ---------- */
.page-faq .faq-export__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.page-faq .faq-export__item {
  padding: clamp(18px, 3vw, 26px);
  background: var(--rock);
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.page-faq .faq-export__title {
  margin: 0;
  font-size: clamp(16px, 1.9vw, 18px);
  line-height: 1.4;
  font-weight: 700;
  color: var(--snow);
}

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

.page-faq .faq-export__foot {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--dust);
  max-width: 44em;
}

/* ---------- 文档目录 ---------- */
.page-faq .faq-docs__lede {
  margin: -8px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--dust);
  max-width: 46em;
}

.page-faq .faq-docs__bar {
  position: sticky;
  top: 0;
  z-index: 4;
  margin-top: clamp(18px, 3vw, 28px);
  padding: 11px 0;
  background: rgba(6, 20, 38, 0.94);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(8px);
}

.page-faq .faq-docs__bar-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 18px;
}

.page-faq .faq-docs__count {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan);
  white-space: nowrap;
}

.page-faq .faq-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .faq-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 12px;
  font-family: inherit;
  font-size: 13px;
  line-height: 1.2;
  color: var(--dust);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  cursor: pointer;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease),
    background 0.2s var(--ease);
}

.page-faq .faq-chip:hover {
  color: var(--snow);
  border-color: var(--lake);
}

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

.page-faq .faq-chip[aria-pressed="true"] {
  color: var(--night);
  background: var(--cyan);
  border-color: var(--cyan);
  font-weight: 600;
}

.page-faq .faq-chip__num {
  font-size: 11px;
  opacity: 0.7;
}

.page-faq .faq-docs__list {
  list-style: none;
  margin: clamp(18px, 3vw, 28px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.page-faq .faq-doc {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 15px 17px;
  background: var(--night);
}

.page-faq .faq-doc[hidden] {
  display: none;
}

.page-faq .faq-doc__title {
  font-size: 15px;
  line-height: 1.55;
  font-weight: 500;
  color: var(--snow);
}

.page-faq .faq-doc__meta {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--dust);
}

.page-faq .faq-docs__foot {
  margin: 18px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--dust);
}

/* ---------- 人工协助 ---------- */
.page-faq .faq-next__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 44px);
}

.page-faq .faq-next__lede {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--dust);
  max-width: 40em;
}

.page-faq .faq-checklist {
  list-style: none;
  counter-reset: ck;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line);
}

.page-faq .faq-checklist li {
  counter-increment: ck;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 14px 2px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--snow);
  background: var(--night);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-checklist li::before {
  content: counter(ck, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.9;
  color: var(--cyan);
}

.page-faq .faq-next__card {
  align-self: start;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(20px, 3vw, 28px);
  background: var(--rock);
  border: 1px solid var(--line);
  border-left: 2px solid var(--flag);
  border-radius: var(--radius);
}

.page-faq .faq-next__card-label {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-faq .faq-next__card-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--dust);
}

.page-faq .faq-next__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 4px;
}

.page-faq .faq-foot {
  padding-bottom: clamp(40px, 6vw, 72px);
  display: flex;
  justify-content: flex-end;
}

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

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

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

@media (min-width: 900px) {
  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1.75fr) minmax(240px, 0.9fr);
  }

  .page-faq .faq-next__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(270px, 1fr);
  }
}

@media (min-width: 960px) {
  .page-faq .faq-compat__grid {
    grid-template-columns: minmax(0, 1fr) 300px;
    align-items: start;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-hero__title {
    max-width: 11.5em;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-fold summary,
  .page-faq .faq-fold summary::after,
  .page-faq .faq-chip {
    transition: none;
  }
}
<<<END>>>