.page-faq {
  --faq-line: rgba(185, 194, 214, .16);
  --faq-line-strong: rgba(185, 194, 214, .32);
  background: var(--qd-ink);
  color: var(--qd-sand);
  font-family: var(--qd-font-sans);
  overflow-x: clip;
}

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

.page-faq .qd-section {
  padding-top: clamp(56px, 7vw, 92px);
  padding-bottom: clamp(56px, 7vw, 92px);
}

.page-faq .faq-head {
  max-width: 62ch;
  margin-bottom: clamp(26px, 3.6vw, 42px);
}

.page-faq .faq-head .qd-h2 {
  margin: 14px 0 14px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(26px, 4vw, 44px) 0 clamp(52px, 7vw, 88px);
  background:
    radial-gradient(120% 82% at 88% -12%, rgba(53, 224, 196, .17), transparent 62%),
    radial-gradient(88% 70% at 0% 4%, rgba(255, 158, 74, .11), transparent 58%),
    var(--qd-ink);
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(30px, 4vw, 56px);
  margin-top: clamp(22px, 3.4vw, 40px);
}

.page-faq .faq-hero__title {
  margin: 16px 0 18px;
  font-weight: 900;
  font-size: clamp(38px, 6.2vw, 74px);
  line-height: 1.07;
  letter-spacing: -.012em;
  color: var(--qd-sand);
}

.page-faq .faq-hero__text {
  max-width: 46ch;
  color: var(--qd-rock);
}

.page-faq .faq-hero__meta {
  margin: 22px 0 0;
  font-size: 12.5px;
  letter-spacing: .05em;
  color: var(--qd-rock);
}

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

.page-faq .faq-hero__frame {
  border: 1px solid var(--qd-indigo-700);
  border-radius: var(--qd-radius-lg);
  background: var(--qd-indigo-800);
  overflow: hidden;
  box-shadow: 0 26px 60px -34px rgba(0, 0, 0, .9);
}

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

/* ---------- 检索框 ---------- */
.page-faq .faq-search {
  margin-top: clamp(24px, 3vw, 34px);
}

.page-faq .faq-search__label {
  display: block;
  margin-bottom: 10px;
  font-family: var(--qd-font-mono);
  font-size: 13px;
  letter-spacing: .05em;
  color: var(--qd-rock);
}

.page-faq .faq-search__field {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 6px 18px;
  border: 1px solid var(--qd-indigo-700);
  border-radius: 999px;
  background: var(--qd-indigo-800);
  transition: border-color .25s var(--qd-ease), box-shadow .25s var(--qd-ease);
}

.page-faq .faq-search__field:focus-within {
  border-color: var(--qd-teal);
  box-shadow: 0 0 0 4px rgba(53, 224, 196, .16);
}

.page-faq .faq-search__icon {
  position: relative;
  flex: none;
  width: 14px;
  height: 14px;
  border: 2px solid var(--qd-teal);
  border-radius: 50%;
}

.page-faq .faq-search__icon::after {
  content: "";
  position: absolute;
  right: -5px;
  bottom: -4px;
  width: 7px;
  height: 2px;
  border-radius: 2px;
  background: var(--qd-teal);
  transform: rotate(45deg);
}

.page-faq .faq-search__input {
  flex: 1 1 auto;
  min-width: 0;
  padding: 12px 0;
  border: 0;
  background: transparent;
  color: var(--qd-sand);
  font-family: var(--qd-font-mono);
  font-size: 15px;
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}

.page-faq .faq-search__input::placeholder {
  color: rgba(185, 194, 214, .6);
}

.page-faq .faq-search__ghost {
  flex: none;
  font-size: 12px;
  letter-spacing: .1em;
  color: rgba(53, 224, 196, .55);
}

/* ---------- 筛选胶囊 ---------- */
.page-faq .faq-filters {
  display: grid;
  gap: 12px;
  margin-top: 22px;
}

.page-faq .faq-filters__row {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.page-faq .faq-filters__label {
  flex: none;
  width: 48px;
  font-family: var(--qd-font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--qd-rock);
}

.page-faq .faq-filters__scroll {
  display: flex;
  gap: 8px;
  min-width: 0;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.page-faq .faq-filters__scroll::-webkit-scrollbar {
  display: none;
}

.page-faq .qd-tag {
  flex: none;
  white-space: nowrap;
  font-family: var(--qd-font-sans);
  font-size: 13px;
  cursor: pointer;
}

/* ---------- 阶段分组 ---------- */
.page-faq .faq-stages__grid {
  display: grid;
  gap: 16px;
}

.page-faq .faq-stage {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 26px 22px 26px;
  border: 1px solid var(--qd-indigo-700);
  border-radius: var(--qd-radius-md);
  background: linear-gradient(180deg, var(--qd-indigo-800), rgba(23, 34, 74, .55));
  overflow: hidden;
}

.page-faq .faq-stage::after {
  content: "";
  position: absolute;
  left: 22px;
  right: 30%;
  bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--qd-teal), transparent);
  opacity: .6;
}

.page-faq .faq-stage__no {
  margin: 0;
  font-size: 12px;
  letter-spacing: .22em;
  color: var(--qd-teal);
}

.page-faq .faq-stage .qd-h3 {
  margin: 0;
  color: var(--qd-sand);
}

.page-faq .faq-stage__note {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--qd-rock);
}

.page-faq .faq-stage__list {
  display: grid;
  gap: 9px;
  margin: 4px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-stage__list a {
  display: flex;
  gap: 8px;
  align-items: flex-start;
  color: var(--qd-sand);
  font-size: 15px;
  line-height: 1.55;
  text-decoration: none;
  transition: color .2s var(--qd-ease);
}

.page-faq .faq-stage__list a::before {
  content: "→";
  flex: none;
  color: var(--qd-teal);
}

.page-faq .faq-stage__list a:hover,
.page-faq .faq-stage__list a:focus-visible {
  color: var(--qd-teal);
}

/* ---------- 高频文档卡 ---------- */
.page-faq .faq-docs__grid {
  columns: 1;
  column-gap: 16px;
}

.page-faq .faq-doc {
  break-inside: avoid;
  margin: 0 0 16px;
  padding: 20px 20px 16px;
  border: 1px solid var(--qd-indigo-700);
  border-radius: var(--qd-radius-md);
  background: var(--qd-indigo-800);
}

.page-faq .faq-doc__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}

.page-faq .faq-doc__time {
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--qd-rock);
}

.page-faq .faq-doc__title {
  margin: 0 0 8px;
  font-size: 18px;
  line-height: 1.45;
  font-weight: 700;
  color: var(--qd-sand);
}

.page-faq .faq-doc__desc {
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--qd-rock);
}

.page-faq .faq-doc__steps,
.page-faq .faq-err {
  border-top: 1px solid var(--faq-line);
  padding-top: 10px;
}

.page-faq .faq-doc__steps summary {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  list-style: none;
  font-family: var(--qd-font-mono);
  font-size: 12.5px;
  letter-spacing: .05em;
  color: var(--qd-teal);
}

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

.page-faq .faq-doc__steps summary::before {
  content: "+";
  font-size: 15px;
  line-height: 1;
}

.page-faq .faq-doc__steps[open] summary::before {
  content: "–";
}

.page-faq .faq-doc__steps ol {
  margin: 12px 0 0;
  padding-left: 20px;
  display: grid;
  gap: 7px;
}

.page-faq .faq-doc__steps li {
  font-size: 14px;
  line-height: 1.65;
  color: var(--qd-rock);
}

/* ---------- 检索说明 ---------- */
.page-faq .faq-searchguide__grid {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
  align-items: start;
}

.page-faq .faq-searchguide .qd-h2 {
  margin: 14px 0 14px;
}

.page-faq .faq-searchguide .qd-mono {
  color: var(--qd-teal);
}

.page-faq .faq-searchguide__howto {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-faq .faq-searchguide__howto li {
  display: flex;
  gap: 12px;
  padding: 13px 16px;
  border-left: 2px solid var(--qd-teal-600);
  border-radius: 0 var(--qd-radius-md) var(--qd-radius-md) 0;
  background: rgba(23, 34, 74, .72);
  font-size: 15px;
  line-height: 1.68;
  color: var(--qd-rock);
}

.page-faq .faq-searchguide__howto .qd-mono {
  flex: none;
  font-size: 12.5px;
  letter-spacing: .1em;
  line-height: 1.9;
}

.page-faq .faq-searchguide__note {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--qd-rock);
}

.page-faq .faq-codes {
  margin-top: 24px;
}

.page-faq .faq-codes__label {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--qd-rock);
}

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

.page-faq .faq-code {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px dashed var(--qd-indigo-700);
  border-radius: 999px;
  background: transparent;
  color: var(--qd-teal);
  font-family: var(--qd-font-mono);
  font-size: 12.5px;
  cursor: pointer;
  transition: border-color .2s var(--qd-ease), color .2s var(--qd-ease);
}

.page-faq .faq-code:hover,
.page-faq .faq-code:focus-visible {
  border-color: var(--qd-teal);
}

.page-faq .faq-code[data-copied] {
  border-style: solid;
  border-color: var(--qd-orange);
  color: var(--qd-orange);
}

.page-faq .faq-code__hint {
  font-size: 11px;
  letter-spacing: .04em;
  color: var(--qd-rock);
}

.page-faq .faq-code[data-copied] .faq-code__hint {
  color: var(--qd-orange);
}

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

/* ---------- 十二类报错 ---------- */
.page-faq .faq-errors {
  --faq-line: rgba(14, 22, 51, .14);
  background: var(--qd-sand);
  color: var(--qd-ink);
}

.page-faq .faq-errors .qd-eyebrow {
  color: var(--qd-clay);
}

.page-faq .faq-errors .qd-h2 {
  color: var(--qd-ink);
}

.page-faq .faq-lead-dark {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(14, 22, 51, .74);
}

.page-faq .faq-errors__grid {
  display: grid;
  gap: 10px;
}

.page-faq .faq-err {
  padding: 0 16px;
  border: 1px solid rgba(14, 22, 51, .14);
  border-radius: 14px;
  background: rgba(255, 255, 255, .55);
}

.page-faq .faq-err summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 0;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-err__no {
  flex: none;
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--qd-clay);
}

.page-faq .faq-err__name {
  flex: 1 1 auto;
  font-size: 15.5px;
  font-weight: 700;
  color: var(--qd-ink);
}

.page-faq .faq-err__code {
  flex: none;
  padding: 3px 9px;
  border-radius: 999px;
  background: rgba(201, 122, 92, .16);
  font-size: 11px;
  letter-spacing: .04em;
  color: #8c4c33;
}

.page-faq .faq-err summary::after {
  content: "+";
  flex: none;
  font-size: 16px;
  line-height: 1;
  color: var(--qd-clay);
}

.page-faq .faq-err[open] summary::after {
  content: "–";
}

.page-faq .faq-err[open] summary {
  border-bottom: 1px solid rgba(14, 22, 51, .12);
}

.page-faq .faq-err__list {
  margin: 12px 0 16px;
  padding-left: 20px;
  display: grid;
  gap: 7px;
}

.page-faq .faq-err__list li {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(14, 22, 51, .8);
}

/* ---------- 文档结构 ---------- */
.page-faq .faq-guide__grid {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
  align-items: start;
}

.page-faq .faq-guide .qd-h2 {
  margin: 14px 0 14px;
}

.page-faq .faq-guide__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-guide__stats li {
  padding: 16px 14px;
  border: 1px solid var(--qd-indigo-700);
  border-radius: var(--qd-radius-md);
  background: rgba(23, 34, 74, .7);
}

.page-faq .faq-guide__num {
  display: block;
  font-weight: 900;
  font-size: clamp(28px, 3.4vw, 38px);
  line-height: 1;
  color: var(--qd-teal);
}

.page-faq .faq-guide__unit {
  display: block;
  margin-top: 4px;
  font-size: 12.5px;
  color: var(--qd-sand);
}

.page-faq .faq-guide__cap {
  display: block;
  margin-top: 8px;
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--qd-rock);
}

.page-faq .faq-guide__sample {
  padding: 24px 20px;
  border: 1px solid var(--qd-indigo-700);
  border-radius: var(--qd-radius-lg);
  background: linear-gradient(160deg, rgba(23, 34, 74, .95), rgba(14, 22, 51, .7));
}

.page-faq .faq-guide__sample-label {
  margin: 0 0 16px;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--qd-rock);
}

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

.page-faq .faq-skel li {
  display: flex;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--faq-line);
  font-size: 14.5px;
  line-height: 1.62;
  color: var(--qd-rock);
}

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

.page-faq .faq-skel__no {
  flex: none;
  font-size: 12px;
  letter-spacing: .06em;
  line-height: 1.9;
  color: var(--qd-teal);
}

/* ---------- 三步收尾 ---------- */
.page-faq .faq-next__steps {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-next__step {
  position: relative;
  padding: 24px 22px;
  border: 1px solid var(--qd-indigo-700);
  border-radius: var(--qd-radius-md);
  background: rgba(23, 34, 74, .55);
}

.page-faq .faq-next__no {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: .22em;
  color: var(--qd-orange);
}

.page-faq .faq-next__step .qd-h3 {
  margin: 0 0 8px;
  color: var(--qd-sand);
}

.page-faq .faq-next__step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--qd-rock);
}

.page-faq .faq-next__step--help {
  background: linear-gradient(165deg, rgba(23, 34, 74, .95), rgba(18, 169, 143, .18));
  border-color: rgba(53, 224, 196, .4);
}

.page-faq .faq-next__need {
  display: grid;
  gap: 7px;
  margin: 12px 0 14px;
  padding: 0;
  list-style: none;
}

.page-faq .faq-next__need li {
  display: flex;
  gap: 8px;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--qd-sand);
}

.page-faq .faq-next__need li::before {
  content: "✓";
  flex: none;
  color: var(--qd-teal);
}

.page-faq .faq-next__contact {
  font-size: 14px;
  line-height: 1.75;
  color: var(--qd-rock);
}

.page-faq .faq-next__mail {
  color: var(--qd-teal);
  text-decoration: none;
  word-break: break-all;
  border-bottom: 1px dashed rgba(53, 224, 196, .45);
}

.page-faq .faq-next__mail:hover,
.page-faq .faq-next__mail:focus-visible {
  color: var(--qd-sand);
}

.page-faq .faq-next__cta {
  display: inline-flex;
  align-items: center;
  margin-top: 16px;
  text-decoration: none;
}

.page-faq .faq-next__tail {
  margin: 26px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--qd-rock);
}

.page-faq .faq-next__tail .qd-link-more {
  margin: 0 2px;
}

@media (max-width: 480px) {
  .page-faq .faq-guide__stats {
    grid-template-columns: 1fr;
  }

  .page-faq .faq-filters__label {
    width: 42px;
    font-size: 11px;
  }
}

@media (min-width: 760px) {
  .page-faq .faq-stages__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

  .page-faq .faq-next__step:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 34px;
    right: -14px;
    width: 14px;
    height: 1px;
    background: var(--qd-teal-600);
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: start;
  }

  .page-faq .faq-searchguide__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
  }

  .page-faq .faq-guide__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, .92fr);
  }
}

@media (min-width: 820px) {
  .page-faq .faq-docs__grid {
    columns: 2;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-search__field,
  .page-faq .faq-code,
  .page-faq .faq-stage__list a {
    transition: none;
  }
}
<<<END>>>