.page-faq {
  --faq-gap: clamp(20px, 3vw, 40px);
  background: var(--fd-paper);
  color: var(--fd-ink);
}

/* 首屏 */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 5vw, 60px) 0 clamp(28px, 5vw, 56px);
  background: var(--fd-paper);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -30%;
  right: -18%;
  width: 70%;
  height: 170%;
  background: repeating-linear-gradient(
    102deg,
    rgba(10, 108, 255, 0.10) 0 2px,
    transparent 2px 28px
  );
  transform: skewX(-12deg);
  pointer-events: none;
}

.page-faq .faq-hero__grid {
  position: relative;
  display: grid;
  gap: clamp(26px, 4vw, 52px);
  align-items: start;
}

.page-faq .faq-h1 {
  margin: 10px 0 16px;
  max-width: 16em;
  font-size: clamp(28px, 5.2vw, 46px);
  line-height: 1.2;
}

.page-faq .faq-lead {
  max-width: 46ch;
  color: var(--fd-ink);
  font-size: clamp(15px, 2.2vw, 18px);
  line-height: 1.75;
}

.page-faq .faq-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 32px;
  margin: 26px 0 0;
  padding-top: 18px;
  border-top: 2px solid var(--fd-ink);
}

.page-faq .faq-stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.page-faq .faq-stat__num {
  font-size: clamp(20px, 3vw, 26px);
  font-weight: 600;
  color: var(--fd-blue-deep);
  letter-spacing: -0.01em;
}

.page-faq .faq-stat__label {
  font-size: 13px;
  color: var(--fd-gray);
  letter-spacing: 0.02em;
}

.page-faq .faq-chips-label {
  margin: 28px 0 10px;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--fd-gray);
}

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

.page-faq .faq-chip {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  color: var(--fd-ink);
  font-size: 14px;
  background: #fff;
  border: 1px solid var(--fd-line);
  padding: 8px 14px;
  clip-path: polygon(10px 0, 100% 0, 100% 100%, 0 100%, 0 10px);
  transition: background 0.2s var(--fd-ease), border-color 0.2s var(--fd-ease), color 0.2s var(--fd-ease);
}

.page-faq .faq-chip:hover,
.page-faq .faq-chip:focus-visible {
  background: var(--fd-blue);
  border-color: var(--fd-blue);
  color: #fff;
}

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

.page-faq .faq-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}

.page-faq .faq-hero__figure .fd-figure__cap {
  display: block;
  margin-top: 10px;
  font-size: 13px;
  color: var(--fd-gray);
  line-height: 1.6;
}

/* 主体两栏 */
.page-faq .faq-body {
  padding: clamp(30px, 5vw, 64px) 0 clamp(40px, 6vw, 80px);
  background: #fff;
}

.page-faq .faq-body__grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  align-items: start;
}

.page-faq .faq-index__title {
  margin: 0 0 12px;
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--fd-blue-deep);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  border-top: 1px solid var(--fd-line);
}

.page-faq .faq-index__list a {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 11px 0;
  border-bottom: 1px solid var(--fd-line);
  color: var(--fd-ink);
  font-size: 14px;
  text-decoration: none;
}

.page-faq .faq-index__list a .fd-mono {
  font-size: 12px;
  color: var(--fd-blue);
}

.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  color: var(--fd-blue-deep);
  text-decoration: underline;
}

.page-faq .faq-index__card {
  background: var(--fd-mist);
  border-left: 4px solid var(--fd-teal);
  padding: 16px;
}

.page-faq .faq-index__card-title {
  margin: 0 0 8px;
  font-size: 15px;
  font-weight: 700;
}

.page-faq .faq-index__card-text {
  margin: 0 0 10px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--fd-ink);
}

.page-faq .faq-index__card-link {
  font-size: 14px;
  color: var(--fd-blue-deep);
  text-decoration: underline;
}

/* 分组 */
.page-faq .faq-group + .faq-group {
  margin-top: clamp(40px, 6vw, 76px);
}

.page-faq .faq-group__lead {
  max-width: 60ch;
  margin: 8px 0 22px;
  color: var(--fd-gray);
  font-size: 15px;
  line-height: 1.8;
}

.page-faq .faq-sub {
  margin: 26px 0 14px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--fd-ink);
}

.page-faq .faq-sub::before {
  content: "";
  display: inline-block;
  width: 10px;
  height: 10px;
  margin-right: 8px;
  background: var(--fd-orange);
  transform: skewX(-12deg);
}

.page-faq .faq-split {
  display: grid;
  gap: 22px;
}

.page-faq .faq-figure {
  margin: 0;
  max-width: 320px;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

.page-faq .faq-figure .fd-figure__cap {
  display: block;
  margin-top: 8px;
  font-size: 12px;
  color: var(--fd-gray);
  line-height: 1.6;
}

/* 四项自查 */
.page-faq .faq-checks {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 8px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.page-faq .faq-checks li {
  background: var(--fd-mist);
  padding: 12px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--fd-ink);
  border-left: 3px solid var(--fd-blue);
}

.page-faq .faq-checks__no {
  display: block;
  font-size: 11px;
  color: var(--fd-blue-deep);
  margin-bottom: 4px;
}

/* 手风琴 */
.page-faq .faq-item {
  background: #fff;
  border: 1px solid var(--fd-line);
  border-left: 4px solid var(--fd-line);
  margin-bottom: 10px;
  transition: border-color 0.22s var(--fd-ease), background 0.22s var(--fd-ease);
}

.page-faq .faq-item[open] {
  border-left-color: var(--fd-teal);
  background: linear-gradient(180deg, var(--fd-mint) 0%, #fff 62%);
}

.page-faq .faq-item > summary {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 10px;
  align-items: start;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
}

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

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

.page-faq .faq-item__no {
  font-size: 12px;
  color: var(--fd-blue);
  padding-top: 4px;
}

.page-faq .faq-item__q {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--fd-ink);
}

.page-faq .faq-item[open] .faq-item__q {
  color: var(--fd-blue-deep);
}

.page-faq .faq-item__sign {
  position: relative;
  width: 16px;
  height: 16px;
  margin-top: 6px;
  flex: none;
}

.page-faq .faq-item__sign::before,
.page-faq .faq-item__sign::after {
  content: "";
  position: absolute;
  background: var(--fd-gray);
  transition: transform 0.22s var(--fd-ease), background 0.22s var(--fd-ease);
}

.page-faq .faq-item__sign::before {
  left: 0;
  top: 7px;
  width: 16px;
  height: 2px;
}

.page-faq .faq-item__sign::after {
  left: 7px;
  top: 0;
  width: 2px;
  height: 16px;
}

.page-faq .faq-item[open] .faq-item__sign::before,
.page-faq .faq-item[open] .faq-item__sign::after {
  background: #0F8F7C;
}

.page-faq .faq-item[open] .faq-item__sign::after {
  transform: scaleY(0);
}

.page-faq .faq-a {
  margin: 0;
  padding: 0 16px 16px 16px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--fd-ink);
}

.page-faq .faq-inline-link {
  color: var(--fd-blue-deep);
  text-decoration: underline;
  white-space: nowrap;
}

/* 人工支持 */
.page-faq .faq-help {
  margin-top: clamp(40px, 6vw, 76px);
  background: var(--fd-ink);
  color: var(--fd-paper);
  padding: clamp(26px, 4vw, 44px);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 28px), calc(100% - 28px) 100%, 0 100%);
}

.page-faq .faq-help__kicker {
  color: var(--fd-teal);
}

.page-faq .faq-help__title {
  color: #fff;
}

.page-faq .faq-help__lead {
  max-width: 56ch;
  margin: 8px 0 24px;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(246, 248, 251, 0.82);
}

.page-faq .faq-help__grid {
  display: grid;
  gap: 22px;
}

.page-faq .faq-help__block {
  padding: 14px 0;
  border-top: 1px solid rgba(201, 214, 232, 0.28);
}

.page-faq .faq-help__label {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--fd-teal);
}

.page-faq .faq-help__value {
  margin: 0 0 4px;
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  word-break: break-word;
}

.page-faq .faq-help__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(246, 248, 251, 0.7);
}

.page-faq .faq-help__card {
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(201, 214, 232, 0.26);
  padding: 18px;
}

.page-faq .faq-help__card-title {
  margin: 0 0 12px;
  font-size: 15px;
  font-weight: 700;
  color: #fff;
}

.page-faq .faq-help__list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
}

.page-faq .faq-help__list li {
  display: flex;
  gap: 10px;
  padding: 8px 0;
  font-size: 14px;
  line-height: 1.65;
  color: rgba(246, 248, 251, 0.9);
  border-bottom: 1px dashed rgba(201, 214, 232, 0.22);
}

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

.page-faq .faq-help__list .fd-mono {
  font-size: 12px;
  color: var(--fd-teal);
  flex: none;
  padding-top: 2px;
}

.page-faq .faq-help__btn {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  color: var(--fd-ink);
}

.page-faq .faq-help__links {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: rgba(246, 248, 251, 0.72);
}

.page-faq .faq-help__links a {
  color: var(--fd-mint);
  text-decoration: underline;
}

/* 平板与桌面 */
@media (min-width: 720px) {
  .page-faq .faq-checks {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-a {
    padding-left: 46px;
    padding-right: 22px;
  }

  .page-faq .faq-split {
    grid-template-columns: 200px minmax(0, 1fr);
    gap: 26px;
  }

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

  .page-faq .faq-help__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    gap: 30px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.18fr) minmax(0, 0.82fr);
    align-items: center;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-body__grid {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: clamp(32px, 5vw, 64px);
  }

  .page-faq .faq-index {
    position: sticky;
    top: 96px;
  }

  .page-faq .faq-split {
    grid-template-columns: 224px minmax(0, 1fr);
    gap: 34px;
  }
}

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