.page-faq {
  --faq-cut: 18px;
  --faq-step-cut: 14px;
  background: var(--ink-900);
  color: var(--cool-200);
  overflow-x: hidden;
}

.page-faq .wrap {
  position: relative;
}

.page-faq .breadcrumbs {
  padding: 20px 0 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cool-500);
}

.page-faq .breadcrumbs a {
  color: var(--cool-200);
  text-decoration: none;
}

.page-faq .breadcrumbs a:hover,
.page-faq .breadcrumbs a:focus-visible {
  color: var(--lime);
}

.page-faq h2 {
  margin: 0;
  font-size: clamp(1.5rem, 3.4vw, 2.35rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
  font-weight: 800;
  color: var(--white);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: clamp(20px, 3.4vw, 40px) 0 clamp(28px, 4vw, 56px);
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: clamp(22px, 3vw, 40px);
  align-items: center;
}

.page-faq .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--lime);
}

.page-faq .faq-hero__title {
  margin: 14px 0 18px;
  font-size: clamp(2.3rem, 7.4vw, 4.5rem);
  line-height: 0.98;
  letter-spacing: -0.045em;
  font-weight: 900;
  color: var(--white);
  text-wrap: balance;
}

.page-faq .faq-hero .lede {
  max-width: 58ch;
  margin: 0;
  font-size: clamp(1rem, 1.3vw, 1.1rem);
  line-height: 1.78;
  color: var(--cool-200);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-faq .faq-hero__fig {
  margin: 0;
  position: relative;
}

.page-faq .faq-hero__fig img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--faq-cut)), calc(100% - var(--faq-cut)) 100%, 0 100%);
  filter: saturate(0.85) contrast(1.06);
}

.page-faq .faq-hero__fig::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -6px;
  width: 42%;
  height: 3px;
  background: var(--lime);
}

.page-faq .faq-hero__fig .media__caption {
  display: block;
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cool-500);
}

/* ---------- 五步流程带 ---------- */
.page-faq .faq-flow {
  padding: clamp(28px, 4vw, 52px) 0;
  background: var(--ink-800);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-flow__head {
  display: grid;
  gap: 10px;
  max-width: 56ch;
}

.page-faq .faq-flow__head p {
  margin: 0;
  color: var(--cool-500);
  font-size: 0.95rem;
  line-height: 1.7;
}

.page-faq .flow-track {
  list-style: none;
  margin: clamp(20px, 3vw, 32px) 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .flow-step {
  position: relative;
  padding: 20px 18px 22px;
  background: var(--ink-700);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--faq-step-cut)), calc(100% - var(--faq-step-cut)) 100%, 0 100%);
}

.page-faq .flow-step::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 46px;
  height: 3px;
  background: var(--lime);
}

.page-faq .flow-step:last-child::before {
  background: var(--orange);
}

.page-faq .flow-step__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--lime);
}

.page-faq .flow-step:last-child .flow-step__no {
  color: var(--orange);
}

.page-faq .flow-step h3 {
  margin: 10px 0 8px;
  font-size: 1.06rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-faq .flow-step p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--cool-200);
}

/* ---------- 支持台主体 ---------- */
.page-faq .faq-desk {
  display: grid;
  gap: 28px;
  padding: clamp(28px, 4.5vw, 60px) 0 clamp(40px, 6vw, 80px);
}

.page-faq .faq-index {
  padding: 18px 18px 20px;
  background: var(--ink-800);
  border-left: 3px solid var(--lime);
}

.page-faq .faq-index__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cool-500);
}

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

.page-faq .faq-index__list a {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 9px 6px;
  font-size: 0.95rem;
  color: var(--cool-200);
  text-decoration: none;
  transition: background var(--dur-fast) ease, color var(--dur-fast) ease;
}

.page-faq .faq-index__list a span {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--lime);
}

.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  background: var(--ink-700);
  color: var(--white);
}

.page-faq .faq-index__note {
  margin: 14px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--cool-500);
}

.page-faq .faq-section {
  scroll-margin-top: 96px;
}

.page-faq .faq-section + .faq-section {
  margin-top: clamp(44px, 7vw, 78px);
}

.page-faq .faq-section__head {
  display: grid;
  gap: 8px;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-section__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--orange);
}

.page-faq .faq-section__head p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--cool-500);
}

/* ---------- 筛选 ---------- */
.page-faq .faq-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: 18px;
}

.page-faq .faq-filter__btn {
  font: inherit;
  font-size: 0.85rem;
  line-height: 1;
  padding: 9px 14px;
  background: transparent;
  color: var(--cool-200);
  border: 1px solid var(--line-strong);
  cursor: pointer;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%);
  transition: background var(--dur-fast) ease, color var(--dur-fast) ease, border-color var(--dur-fast) ease;
}

.page-faq .faq-filter__btn:hover,
.page-faq .faq-filter__btn:focus-visible {
  color: var(--white);
  border-color: var(--lime);
}

.page-faq .faq-filter__btn[aria-pressed="true"],
.page-faq .faq-filter__btn.is-active {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--ink-900);
  font-weight: 700;
}

.page-faq .faq-filter__count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cool-500);
}

.page-faq .faq-list [data-filtered-out] {
  display: none;
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-list {
  display: grid;
  gap: 10px;
}

.page-faq .qa {
  background: var(--ink-800);
  border-left: 2px solid transparent;
  transition: background var(--dur) ease, border-color var(--dur) ease;
}

.page-faq .qa[open] {
  background: var(--ink-700);
  border-left-color: var(--lime);
}

.page-faq .qa__summary {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 16px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .qa__summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-faq .qa__no {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--cool-500);
}

.page-faq .qa[open] .qa__no {
  color: var(--lime);
}

.page-faq .qa__q {
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-faq .qa__mark {
  position: relative;
  width: 16px;
  height: 16px;
  flex: none;
}

.page-faq .qa__mark::before,
.page-faq .qa__mark::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 2px;
  background: var(--lime);
  transform: translateY(-50%);
  transition: transform var(--dur) ease;
}

.page-faq .qa__mark::after {
  transform: translateY(-50%) rotate(90deg);
}

.page-faq .qa[open] .qa__mark::after {
  transform: translateY(-50%) rotate(0deg);
}

.page-faq .qa__body {
  margin: 0 16px;
  padding: 14px 0 18px;
  border-top: 1px solid var(--line);
}

.page-faq .qa__body p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.78;
  color: var(--cool-200);
}

.page-faq .qa__body a {
  color: var(--lime);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 反馈材料 ---------- */
.page-faq .faq-split {
  display: grid;
  gap: 16px;
}

.page-faq .faq-split__col {
  padding: 20px 18px;
  background: var(--ink-800);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--faq-step-cut)), calc(100% - var(--faq-step-cut)) 100%, 0 100%);
}

.page-faq .faq-split__col:first-child {
  border-left: 3px solid var(--orange);
}

.page-faq .faq-mini-title {
  margin: 0 0 14px;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--white);
}

.page-faq .faq-check {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-check li {
  position: relative;
  padding-left: 22px;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--cool-200);
}

.page-faq .faq-check li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 10px;
  height: 2px;
  background: var(--lime);
}

.page-faq .faq-split__note {
  margin: 16px 0 0;
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--cool-500);
}

/* ---------- 版本修正 ---------- */
.page-faq .faq-revision {
  display: grid;
  gap: 20px;
  align-items: start;
}

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

.page-faq .faq-revision__fig img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
  clip-path: polygon(0 0, 100% 0, 100% 100%, var(--faq-cut) 100%, 0 calc(100% - var(--faq-cut)));
  filter: saturate(0.8) contrast(1.08);
}

.page-faq .faq-revision__body p {
  margin: 0 0 14px;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--cool-200);
}

.page-faq .faq-revision__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

/* ---------- 服务时效 ---------- */
.page-faq .faq-stats {
  display: grid;
  gap: 12px;
}

.page-faq .faq-stat {
  padding: 22px 18px 24px;
  background: var(--ink-800);
  border-top: 3px solid var(--lime);
}

.page-faq .faq-stat--hot {
  border-top-color: var(--orange);
}

.page-faq .faq-stat__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.6rem, 4.4vw, 2.3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--lime);
}

.page-faq .faq-stat--hot .faq-stat__num {
  color: var(--orange);
}

.page-faq .faq-stat__label {
  display: block;
  margin-top: 10px;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--cool-200);
}

.page-faq .faq-timing__note {
  margin: 18px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--line-strong);
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--cool-500);
}

/* ---------- 联系支持 ---------- */
.page-faq .faq-contact__grid {
  display: grid;
  gap: 12px;
  align-items: stretch;
}

.page-faq .faq-copy {
  display: grid;
  gap: 6px;
  text-align: left;
  font: inherit;
  padding: 18px;
  background: var(--ink-800);
  border: 1px solid var(--line);
  cursor: pointer;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
  transition: border-color var(--dur) ease, background var(--dur) ease;
}

.page-faq .faq-copy:hover,
.page-faq .faq-copy:focus-visible {
  border-color: var(--lime);
  background: var(--ink-700);
}

.page-faq .faq-copy__label {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cool-500);
}

.page-faq .faq-copy__value {
  font-family: var(--font-mono);
  font-size: clamp(0.95rem, 2.4vw, 1.1rem);
  font-weight: 700;
  color: var(--white);
  overflow-wrap: anywhere;
}

.page-faq .faq-copy__hint {
  font-size: 12px;
  color: var(--lime);
}

.page-faq .faq-contact__cta {
  align-self: center;
  justify-self: start;
}

.page-faq .faq-contact__note {
  margin: 18px 0 0;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--cool-500);
}

.page-faq .faq-contact__note a {
  color: var(--cool-200);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-contact__note a:hover,
.page-faq .faq-contact__note a:focus-visible {
  color: var(--lime);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .flow-track {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-split {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }

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

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

  .page-faq .faq-contact__cta {
    grid-column: 1 / -1;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  }

  .page-faq .faq-revision {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: 32px;
  }

  .page-faq .flow-step {
    padding: 22px 20px 24px;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-desk {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: clamp(32px, 5vw, 72px);
    align-items: start;
  }

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

  .page-faq .flow-track {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 10px;
  }

  .page-faq .qa__summary {
    padding: 18px 20px;
    gap: 16px;
  }

  .page-faq .qa__body {
    margin: 0 20px;
    padding: 16px 0 20px;
  }

  .page-faq .qa__body p {
    max-width: 72ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa,
  .page-faq .qa__mark::before,
  .page-faq .qa__mark::after,
  .page-faq .faq-filter__btn,
  .page-faq .faq-copy,
  .page-faq .faq-index__list a {
    transition: none;
  }
}
<<<PAGE_CSS_END>>>