.page-faq {
  background: var(--c-ink);
  color: var(--c-mist);
  padding-block: 0 5rem;
  overflow-x: clip;
}

.page-faq h1,
.page-faq h2 {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--c-cream);
  line-height: 1.25;
  margin: 0;
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  padding-block: clamp(2.25rem, 6vw, 4.25rem) clamp(2rem, 5vw, 3.25rem);
  background: linear-gradient(158deg, var(--c-navy) 0%, var(--c-ink) 62%);
  border-bottom: 1px solid var(--line-hair);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 76px 76px;
  opacity: .45;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .8), transparent 88%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .8), transparent 88%);
}

.page-faq .faq-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.75rem, 4vw, 3rem);
}

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

.page-faq .faq-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem;
  margin: 0 0 1.15rem;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--c-mist);
}

.page-faq .faq-crumb a {
  color: var(--c-cyan);
  text-decoration: none;
}

.page-faq .faq-crumb a:hover,
.page-faq .faq-crumb a:focus-visible {
  color: var(--c-amber);
  text-decoration: underline;
}

.page-faq .faq-crumb span {
  color: var(--line-hair);
}

.page-faq .faq-crumb span:last-child {
  color: var(--c-mist);
}

.page-faq .faq-hero h1 {
  font-size: clamp(1.85rem, 4.6vw, 3.15rem);
  font-style: italic;
  margin-block: .55rem 1.05rem;
  max-width: 22ch;
}

.page-faq .faq-hero .lede {
  max-width: 50ch;
  font-size: clamp(.98rem, 1.5vw, 1.1rem);
  line-height: 1.8;
  color: var(--c-mist);
  margin: 0;
}

.page-faq .faq-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  list-style: none;
  margin: 1.6rem 0 0;
  padding: 0;
}

.page-faq .faq-hero__figure {
  margin: 0;
  border: 1px solid var(--line-hair);
  padding: .5rem;
  background: rgba(18, 27, 42, .7);
}

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

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
    align-items: center;
    gap: clamp(2rem, 5vw, 4rem);
  }
}

/* ---------- 主布局 ---------- */

.page-faq .faq-body {
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
}

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2rem, 5vw, 3.25rem);
  align-items: start;
}

@media (min-width: 960px) {
  .page-faq .faq-layout {
    grid-template-columns: minmax(0, 232px) minmax(0, 1fr);
    gap: clamp(2.5rem, 6vw, 5rem);
  }

  .page-faq .faq-index {
    position: sticky;
    top: 7rem;
  }
}

.page-faq .faq-index__title {
  margin: 0 0 1rem;
  padding-bottom: .6rem;
  border-bottom: 1px solid var(--line-hair);
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--c-cyan);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .1rem;
}

.page-faq .faq-index__list a {
  display: flex;
  align-items: baseline;
  gap: .75rem;
  padding: .55rem .2rem;
  border-left: 2px solid transparent;
  color: var(--c-mist);
  font-size: 14px;
  text-decoration: none;
  transition: color .2s var(--ease-out), border-color .2s var(--ease-out);
}

.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  color: var(--c-cream);
  border-left-color: var(--c-cyan);
}

.page-faq .faq-index__num {
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--c-cyan-deep);
}

.page-faq .faq-articles {
  min-width: 0;
  display: grid;
  gap: clamp(2.25rem, 5vw, 3.75rem);
}

/* ---------- 分组标题 ---------- */

.page-faq .faq-group {
  scroll-margin-top: 6.5rem;
  min-width: 0;
}

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  gap: .9rem;
  padding-bottom: .75rem;
  margin-bottom: 1.2rem;
  border-bottom: 1px solid var(--line-hair);
}

.page-faq .faq-group__num {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--c-amber);
  padding-top: .2rem;
}

.page-faq .faq-group__head h2 {
  font-size: clamp(1.25rem, 2.6vw, 1.7rem);
  font-style: italic;
}

/* ---------- 入口步骤条 ---------- */

.page-faq .faq-steps {
  list-style: none;
  margin: 0 0 1.6rem;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line-hair);
  border: 1px solid var(--line-hair);
}

.page-faq .faq-steps li {
  display: flex;
  align-items: center;
  gap: .7rem;
  padding: .85rem 1rem;
  background: var(--c-navy);
  color: var(--c-cream);
  font-size: 14px;
}

.page-faq .faq-steps__num {
  flex: none;
  display: grid;
  place-items: center;
  width: 1.55rem;
  height: 1.55rem;
  border: 1px solid var(--c-cyan-deep);
  font-family: var(--font-data);
  font-size: 12px;
  color: var(--c-cyan);
}

@media (min-width: 700px) {
  .page-faq .faq-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 问答条目 ---------- */

.page-faq .faq-list {
  display: grid;
}

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

.page-faq .faq-item > summary {
  position: relative;
  display: block;
  padding: 1.05rem 2.4rem 1.05rem 0;
  cursor: pointer;
  list-style: none;
  color: var(--c-cream);
  font-size: clamp(.98rem, 1.5vw, 1.06rem);
  line-height: 1.65;
  transition: color .2s var(--ease-out);
}

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

.page-faq .faq-item > summary::marker {
  content: "";
}

.page-faq .faq-item > summary::after {
  content: "+";
  position: absolute;
  right: .2rem;
  top: 1.05rem;
  font-family: var(--font-data);
  font-size: 18px;
  line-height: 1.2;
  color: var(--c-amber);
  transition: color .2s var(--ease-out);
}

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

.page-faq .faq-item > summary:hover {
  color: var(--c-cyan);
}

.page-faq .faq-item > summary:focus-visible {
  outline: 2px solid var(--c-cyan);
  outline-offset: 3px;
}

.page-faq .faq-item__q {
  display: block;
  max-width: 58ch;
}

.page-faq .faq-item__a {
  padding: .1rem 2.4rem 1.5rem 0;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--c-mist);
}

.page-faq .faq-item__a p {
  margin: 0 0 .75rem;
}

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

.page-faq .faq-item__act {
  display: inline-block;
  margin-top: .35rem;
  padding-bottom: 1px;
  border-bottom: 1px solid rgba(37, 224, 212, .4);
  font-family: var(--font-data);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--c-cyan);
  text-decoration: none;
  transition: color .2s var(--ease-out), border-color .2s var(--ease-out);
}

.page-faq .faq-item__act:hover,
.page-faq .faq-item__act:focus-visible {
  color: var(--c-amber);
  border-bottom-color: var(--c-amber);
}

/* ---------- 反馈区配图与编号结构 ---------- */

.page-faq .faq-figure {
  margin: 0 0 1.6rem;
  border: 1px solid var(--line-hair);
  padding: .5rem;
  background: rgba(18, 27, 42, .7);
}

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

.page-faq .faq-code {
  margin-top: 1.75rem;
  padding: clamp(1rem, 3vw, 1.6rem);
  border: 1px solid var(--line-hair);
  background: linear-gradient(135deg, var(--c-navy) 0%, var(--c-masthead) 100%);
}

.page-faq .faq-code__label {
  margin: 0 0 .9rem;
  font-family: var(--font-data);
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--c-cyan);
}

.page-faq .faq-code__parts {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .4rem;
  font-family: var(--font-data);
  font-variant-numeric: tabular-nums;
  font-size: clamp(.95rem, 2.4vw, 1.3rem);
}

.page-faq .faq-code__seg {
  padding: .32rem .62rem;
  border: 1px solid var(--c-cyan-deep);
  background: rgba(37, 224, 212, .07);
  color: var(--c-cream);
}

.page-faq .faq-code__seg--week {
  border-color: rgba(255, 155, 47, .55);
  background: rgba(255, 155, 47, .08);
}

.page-faq .faq-code__dash {
  color: var(--c-amber);
}

.page-faq .faq-code__note {
  margin: 1rem 0 0;
  max-width: 62ch;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--c-mist);
}

/* ---------- 收尾联系区 ---------- */

.page-faq .faq-group--help {
  padding: clamp(1.25rem, 3.5vw, 2rem);
  border: 1px solid var(--line-hair);
  background: linear-gradient(150deg, var(--c-navy) 0%, var(--c-ink) 100%);
}

.page-faq .faq-group--help .faq-group__head {
  border-bottom-color: rgba(255, 155, 47, .35);
}

.page-faq .faq-help__intro {
  margin: 0 0 1.35rem;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--c-mist);
}

.page-faq .faq-help__list {
  list-style: none;
  margin: 0 0 1.35rem;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line-hair);
  border: 1px solid var(--line-hair);
}

.page-faq .faq-help__list li {
  display: flex;
  flex-wrap: wrap;
  gap: .35rem 1rem;
  align-items: baseline;
  padding: .8rem 1rem;
  background: var(--c-ink);
}

.page-faq .faq-help__k {
  flex: none;
  min-width: 5.5rem;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--c-cyan-deep);
}

.page-faq .faq-help__v {
  font-family: var(--font-data);
  font-variant-numeric: tabular-nums;
  font-size: 14px;
  color: var(--c-cream);
  word-break: break-word;
}

.page-faq .faq-help__note {
  margin: 0 0 1.35rem;
  max-width: 64ch;
  font-size: 13px;
  line-height: 1.75;
  color: var(--c-mist);
}

.page-faq .faq-group--help .btn {
  text-decoration: none;
}

/* ---------- 动效降级 ---------- */

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

等一下——我不应该输出结束标记。让我只输出那两个必需的标记。重新检查我的输出：我写了 `<<<END>>>`，这是不允许的。让我移除它。

另外，我需要再核对一遍格式。正确的输出应该只有 MAIN_HTML 和 PAGE_CSS 标记。让我修正。