.page-faq {
  --faq-rail: 248px;
  --faq-pad: clamp(1rem, 2.6vw, 1.55rem);
  --faq-gold-line: rgba(201, 162, 75, 0.28);
  background: var(--ink);
  color: var(--ivory);
}

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

.page-faq a {
  text-decoration: none;
}

/* 面包屑 */
.page-faq .breadcrumb {
  margin-bottom: clamp(1.1rem, 3vw, 1.8rem);
}

.page-faq .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--warm-gray);
}

.page-faq .breadcrumb__list a {
  color: var(--warm-gray);
  transition: color 0.2s var(--ease);
}

.page-faq .breadcrumb__list a:hover,
.page-faq .breadcrumb__list a:focus-visible {
  color: var(--gold-bright);
}

.page-faq .breadcrumb__list li:not(:first-child)::before {
  content: "／";
  margin-right: 0.45rem;
  color: rgba(201, 162, 75, 0.6);
}

.page-faq .breadcrumb__list [aria-current="page"] {
  color: var(--gold-bright);
}

/* 首屏 */
.page-faq .faq-hero {
  position: relative;
  padding: calc(var(--header-h) + 1.8rem) 0 clamp(1.8rem, 5vw, 3.2rem);
  background:
    radial-gradient(90% 70% at 88% -10%, rgba(201, 162, 75, 0.2), transparent 62%),
    radial-gradient(70% 80% at 6% 112%, rgba(47, 211, 179, 0.12), transparent 66%),
    linear-gradient(168deg, var(--ink-deep) 0%, var(--haze-a) 58%, var(--ink) 100%);
  border-bottom: 1px solid var(--faq-gold-line);
  overflow: hidden;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(1.4rem, 4vw, 2.6rem);
}

.page-faq .faq-hero__eyebrow {
  margin: 0;
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  color: var(--gold);
  text-transform: uppercase;
}

.page-faq .faq-hero__title {
  margin: 0.65rem 0 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(1.85rem, 6.4vw, 3.15rem);
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--ivory);
}

.page-faq .faq-hero__text {
  margin: 1rem 0 0;
  max-width: 34rem;
  font-size: clamp(0.94rem, 2.4vw, 1.02rem);
  line-height: 1.85;
  color: var(--warm-gray);
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.8rem;
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line-soft);
}

.page-faq .faq-stat {
  display: flex;
  flex-direction: column;
  gap: 0.28rem;
}

.page-faq .faq-stat__num {
  font-size: 1.08rem;
  letter-spacing: 0.02em;
  color: var(--gold-bright);
}

.page-faq .faq-stat__label {
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  color: var(--warm-gray);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.55rem;
}

.page-faq .faq-hero__figure {
  margin: 0;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lift);
}

/* 快速索引条 */
.page-faq .faq-quick {
  scroll-margin-top: calc(var(--header-h) + 1rem);
  padding: clamp(1.5rem, 4.5vw, 2.5rem) 0;
  background: linear-gradient(180deg, rgba(18, 59, 50, 0.62), rgba(11, 43, 36, 0));
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-quick__title {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(1.2rem, 3.6vw, 1.5rem);
  color: var(--ivory);
}

.page-faq .faq-quick__text {
  margin: 0.55rem 0 0;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--warm-gray);
}

.page-faq .faq-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin: 1.1rem 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.5rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(11, 43, 36, 0.55);
  font-size: 0.84rem;
  color: var(--ivory);
  transition: border-color 0.25s var(--ease), color 0.25s var(--ease), background 0.25s var(--ease);
}

.page-faq .faq-tag .mono {
  font-size: 0.72rem;
  color: var(--gold);
}

.page-faq .faq-tag:hover,
.page-faq .faq-tag:focus-visible {
  border-color: var(--gold-bright);
  color: var(--gold-bright);
  background: rgba(201, 162, 75, 0.1);
}

/* 主体两栏 */
.page-faq .faq-body {
  display: grid;
  gap: clamp(1.4rem, 4vw, 2.6rem);
  padding: clamp(1.8rem, 5vw, 3.2rem) 0 clamp(2rem, 5vw, 3.4rem);
}

.page-faq .faq-index {
  display: none;
}

.page-faq .faq-index__title {
  margin: 0 0 0.8rem;
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--gold);
}

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

.page-faq .faq-index__link {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  padding: 0.6rem 0.7rem;
  border-left: 2px solid transparent;
  margin-left: -1px;
  font-size: 0.9rem;
  color: var(--warm-gray);
  transition: color 0.22s var(--ease), border-color 0.22s var(--ease), background 0.22s var(--ease);
}

.page-faq .faq-index__link .mono {
  font-size: 0.74rem;
  color: rgba(201, 162, 75, 0.8);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--ivory);
  border-left-color: var(--gold);
}

.page-faq .faq-index__link[aria-current="true"] {
  color: var(--gold-bright);
  border-left-color: var(--electric);
  background: rgba(47, 211, 179, 0.07);
}

.page-faq .faq-index__back {
  display: inline-block;
  margin-top: 1.1rem;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--warm-gray);
  border-bottom: 1px dashed var(--line);
  padding-bottom: 2px;
}

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

/* 问答分组 */
.page-faq .faq-group {
  scroll-margin-top: calc(var(--header-h) + 1.2rem);
}

.page-faq .faq-group + .faq-group {
  margin-top: clamp(2.2rem, 6vw, 3.2rem);
}

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--faq-gold-line);
}

.page-faq .faq-group__num {
  font-size: 0.86rem;
  color: var(--gold);
  letter-spacing: 0.08em;
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(1.25rem, 3.6vw, 1.62rem);
  line-height: 1.4;
  color: var(--ivory);
}

.page-faq .faq-group__desc {
  margin: 0.75rem 0 0;
  max-width: 42rem;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--warm-gray);
}

.page-faq .faq-list {
  margin-top: 1.1rem;
}

.page-faq .faq-list--flow {
  margin-top: clamp(1.4rem, 4vw, 2rem);
}

/* 折叠问答 */
.page-faq .faq-item {
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(18, 59, 50, 0.62), rgba(11, 43, 36, 0.4));
  transition: border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.page-faq .faq-item + .faq-item {
  margin-top: 0.6rem;
}

.page-faq .faq-item:hover {
  border-color: var(--line);
}

.page-faq .faq-item[open] {
  border-color: var(--faq-gold-line);
  box-shadow: var(--shadow-soft);
}

.page-faq .faq-item > summary {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  padding: 0.95rem var(--faq-pad);
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-item > summary::after {
  content: "+";
  margin-left: auto;
  flex: none;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  line-height: 1.45;
  color: var(--gold);
  transition: color 0.2s var(--ease);
}

.page-faq .faq-item[open] > summary::after {
  content: "–";
  color: var(--electric);
}

.page-faq .faq-item > summary:focus-visible {
  outline: 1px solid var(--electric);
  outline-offset: -2px;
}

.page-faq .faq-item__code {
  flex: none;
  padding-top: 0.16rem;
  font-size: 0.78rem;
  color: var(--gold);
}

.page-faq .faq-item__q {
  flex: 1;
  font-size: 0.96rem;
  font-weight: 500;
  line-height: 1.65;
  color: var(--ivory);
}

.page-faq .faq-item[open] .faq-item__q {
  color: var(--gold-bright);
}

.page-faq .faq-item__a {
  padding: 0 var(--faq-pad) 1rem calc(var(--faq-pad) + 2rem);
  font-size: 0.9rem;
  line-height: 1.85;
  color: var(--warm-gray);
}

.page-faq .faq-item__a p {
  margin: 0;
}

.page-faq .faq-item__a a {
  color: var(--electric);
  border-bottom: 1px solid rgba(47, 211, 179, 0.45);
}

.page-faq .faq-item__a a:hover,
.page-faq .faq-item__a a:focus-visible {
  color: var(--gold-bright);
  border-bottom-color: var(--gold-bright);
}

/* 版本查询流程 */
.page-faq .faq-flow {
  display: grid;
  gap: 1.3rem;
  margin-top: clamp(1.2rem, 3.5vw, 1.8rem);
}

.page-faq .faq-flow__steps {
  display: grid;
  gap: 0.65rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-flow__step {
  position: relative;
  padding: 0.85rem 0.95rem 0.9rem 3.2rem;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: rgba(18, 59, 50, 0.45);
}

.page-faq .faq-flow__step-num {
  position: absolute;
  left: 0.95rem;
  top: 1rem;
  font-size: 0.8rem;
  color: var(--electric);
}

.page-faq .faq-flow__step-title {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1rem;
  color: var(--gold-bright);
}

.page-faq .faq-flow__step p {
  margin: 0.4rem 0 0;
  font-size: 0.86rem;
  line-height: 1.78;
  color: var(--warm-gray);
}

.page-faq .faq-flow__figure {
  margin: 0;
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

/* 联系卡片 */
.page-faq .faq-contact {
  margin-top: 1.2rem;
}

.page-faq .faq-contact__card {
  padding: clamp(1.2rem, 3.6vw, 2.2rem);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    radial-gradient(80% 120% at 100% 0%, rgba(201, 162, 75, 0.16), transparent 62%),
    linear-gradient(150deg, var(--ink-2), var(--ink-deep));
  box-shadow: var(--shadow-lift);
}

.page-faq .faq-contact__grid {
  display: grid;
  gap: 1.1rem;
}

.page-faq .faq-contact__label {
  margin: 0;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-faq .faq-contact__value {
  margin: 0.35rem 0 0;
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--ivory);
  word-break: break-word;
}

.page-faq .faq-contact__note {
  margin: 1.3rem 0 0;
  padding-top: 1rem;
  border-top: 1px solid var(--line-soft);
  max-width: 46rem;
  font-size: 0.85rem;
  line-height: 1.85;
  color: var(--warm-gray);
}

.page-faq .faq-contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.3rem;
}

/* 桌面布局 */
@media (min-width: 720px) {
  .page-faq .faq-contact__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.3rem 1.8rem;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: center;
  }

  .page-faq .faq-flow {
    grid-template-columns: minmax(0, 1fr) minmax(0, 300px);
    align-items: start;
  }
}

@media (min-width: 980px) {
  .page-faq .faq-body {
    grid-template-columns: var(--faq-rail) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-index {
    display: block;
    position: sticky;
    top: calc(var(--header-h) + 1.2rem);
  }

  .page-faq .faq-hero__figure {
    justify-self: end;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-contact__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-tag,
  .page-faq .faq-item,
  .page-faq .faq-index__link {
    transition: none;
  }
}
<<<END>>>