.page-faq {
  --faq-cut: 24px;
  --faq-ink-soft: rgba(19, 26, 34, .74);
  --faq-ink-line: rgba(19, 26, 34, .16);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: clamp(26px, 5vw, 58px) 0 clamp(22px, 4vw, 44px);
}

.page-faq .faq-crumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: clamp(18px, 3vw, 30px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--mist);
}

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

.page-faq .faq-crumbs a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-crumbs span[aria-hidden] {
  color: rgba(154, 167, 180, .45);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(20px, 4vw, 44px);
  align-items: center;
}

.page-faq .faq-hero__copy h1 {
  margin: 12px 0 18px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(32px, 7.4vw, 62px);
  line-height: 1.05;
  letter-spacing: -.02em;
  color: var(--white);
}

.page-faq .faq-accent {
  color: var(--orange);
}

.page-faq .faq-lede {
  max-width: 58ch;
  margin: 0;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.75;
  color: var(--mist);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 28px);
}

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

.page-faq .faq-strip {
  margin-top: clamp(22px, 4vw, 40px);
}

/* ---------- 主体骨架 ---------- */
.page-faq .faq-shell {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  padding-bottom: clamp(40px, 6vw, 80px);
}

/* ---------- 左侧控制台 ---------- */
.page-faq .faq-console {
  background: var(--panel);
  padding: clamp(16px, 2.6vw, 22px);
  clip-path: polygon(0 0, calc(100% - var(--faq-cut)) 0, 100% var(--faq-cut), 100% 100%, var(--faq-cut) 100%, 0 calc(100% - var(--faq-cut)));
}

.page-faq .faq-console__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .16em;
  color: var(--lime);
}

.page-faq .faq-console__filters {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding-bottom: 6px;
  scrollbar-width: thin;
}

.page-faq .faq-console__filters .filter-btn {
  flex: 0 0 auto;
  width: auto;
  white-space: nowrap;
}

.page-faq .faq-console__count {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--mist);
}

.page-faq .faq-console__count [data-filter-count] {
  color: var(--cyan);
  font-weight: 700;
}

.page-faq .faq-console__links {
  display: grid;
  gap: 2px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.page-faq .faq-console__link {
  display: block;
  padding: 7px 0;
  font-size: 13px;
  line-height: 1.5;
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .18s ease, border-color .18s ease;
}

.page-faq .faq-console__link:hover {
  color: var(--cyan);
  border-bottom-color: rgba(34, 229, 229, .4);
}

/* ---------- 问答列表 ---------- */
.page-faq .faq-list {
  display: grid;
  gap: clamp(18px, 3vw, 30px);
  min-width: 0;
}

.page-faq .faq-group {
  background: var(--panel);
  padding: clamp(18px, 3vw, 32px);
  clip-path: polygon(0 0, calc(100% - var(--faq-cut)) 0, 100% var(--faq-cut), 100% 100%, var(--faq-cut) 100%, 0 calc(100% - var(--faq-cut)));
}

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

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 8px;
}

.page-faq .faq-group__num {
  font-size: clamp(20px, 3vw, 28px);
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
}

.page-faq .faq-group--paper .faq-group__num {
  color: var(--red);
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 3.2vw, 29px);
  letter-spacing: -.01em;
  color: var(--white);
}

.page-faq .faq-group--paper .faq-group__title {
  color: var(--deep);
}

.page-faq .faq-group__lede {
  max-width: 62ch;
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--mist);
}

.page-faq .faq-group--paper .faq-group__lede {
  color: var(--faq-ink-soft);
}

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

.page-faq .qa-item > summary {
  position: relative;
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 16px 34px 16px 0;
  cursor: pointer;
  list-style: none;
  font-size: clamp(15px, 1.6vw, 17px);
  font-weight: 600;
  line-height: 1.55;
  color: var(--white);
  transition: color .18s ease;
}

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

.page-faq .qa-item > summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 15px;
  width: 20px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 19px;
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
  transition: transform .2s ease, color .2s ease;
}

.page-faq .qa-item[open] > summary::after {
  content: "−";
}

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

.page-faq .qa-num {
  flex: 0 0 auto;
  padding-top: 4px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--cyan);
}

.page-faq .qa-body {
  padding: 0 34px 18px 40px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist);
}

.page-faq .qa-body p {
  margin: 0;
}

.page-faq .qa-body p + p {
  margin-top: 10px;
}

.page-faq .qa-body a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-group--paper .qa-item {
  border-top-color: var(--faq-ink-line);
}

.page-faq .faq-group--paper .qa-item > summary {
  color: var(--deep);
}

.page-faq .faq-group--paper .qa-item > summary:hover {
  color: #0B6A6A;
}

.page-faq .faq-group--paper .qa-item > summary::after {
  color: #0B6A6A;
}

.page-faq .faq-group--paper .qa-num {
  color: var(--red);
}

.page-faq .faq-group--paper .qa-body {
  color: var(--faq-ink-soft);
}

.page-faq .faq-group--paper .qa-body a {
  color: #0B6A6A;
}

/* ---------- 分组配图 ---------- */
.page-faq .faq-figure {
  margin: 0 0 18px;
  overflow: hidden;
  border-left: 3px solid var(--orange);
}

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

/* ---------- 收尾行动区 ---------- */
.page-faq .faq-cta {
  display: grid;
  gap: 18px;
  padding: clamp(20px, 3.4vw, 34px);
  background: linear-gradient(105deg, rgba(255, 122, 26, .16), rgba(34, 229, 229, .1) 62%, transparent);
  border-left: 3px solid var(--orange);
}

.page-faq .faq-cta__text h2 {
  margin: 8px 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 3vw, 28px);
  letter-spacing: -.01em;
  color: var(--white);
}

.page-faq .faq-cta__text p {
  margin: 0;
  max-width: 56ch;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 780px) {
  .page-faq .faq-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

  .page-faq .faq-cta__actions {
    flex-direction: column;
    align-items: stretch;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
  }
}

@media (min-width: 960px) {
  .page-faq .faq-shell {
    grid-template-columns: 232px minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-console {
    position: sticky;
    top: 24px;
  }

  .page-faq .faq-console__filters {
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-console__filters .filter-btn {
    width: 100%;
    white-space: normal;
    text-align: left;
  }

  .page-faq .qa-body {
    max-width: 74ch;
  }
}

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