.page-faq {
  --faq-cut: 22px;
  --faq-soft-line: rgba(11, 15, 14, 0.14);
  background: var(--ink);
  color: var(--paper);
}

.page-faq__crumbs {
  padding-top: clamp(14px, 2.6vw, 24px);
  padding-bottom: 6px;
}

.page-faq__crumbs .breadcrumbs a {
  color: var(--cyan);
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 5vw, 58px) 0 clamp(34px, 6vw, 76px);
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(43, 245, 200, 0.14), transparent 58%),
    var(--ink);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(115deg, rgba(43, 245, 200, 0.07) 0 1px, transparent 1px 22px);
  pointer-events: none;
}

.page-faq .faq-hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 52px);
  align-items: end;
}

.page-faq .faq-hero__title {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(2.1rem, 7.6vw, 4.1rem);
  line-height: 1.02;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-hero__lede {
  margin-top: 16px;
  max-width: 52ch;
  color: var(--mist);
  font-size: clamp(0.95rem, 1.6vw, 1.05rem);
  line-height: 1.75;
}

.page-faq .faq-hero__index {
  list-style: none;
  margin: clamp(24px, 4vw, 38px) 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-faq .faq-hero__item a {
  position: relative;
  display: grid;
  grid-template-columns: 2.6rem 1fr 1.4rem;
  align-items: center;
  gap: 12px;
  padding: 14px 4px;
  border-bottom: 1px solid var(--line-soft);
  color: var(--paper);
  text-decoration: none;
  overflow: hidden;
}

.page-faq .faq-hero__item a::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(43, 245, 200, 0.16), rgba(43, 245, 200, 0) 72%);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.3s ease;
}

.page-faq .faq-hero__item a:hover::before,
.page-faq .faq-hero__item a:focus-visible::before {
  transform: scaleX(1);
}

.page-faq .faq-hero__item a > * {
  position: relative;
}

.page-faq .faq-hero__num {
  font-size: 0.86rem;
  color: var(--cyan);
  letter-spacing: 0.06em;
}

.page-faq .faq-hero__label {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 12px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1.05rem, 2.6vw, 1.35rem);
  letter-spacing: 0.01em;
}

.page-faq .faq-hero__label em {
  font-family: var(--font-body);
  font-style: normal;
  font-size: 0.78rem;
  font-weight: 400;
  color: var(--dim);
  letter-spacing: 0.02em;
}

.page-faq .faq-hero__arrow {
  justify-self: end;
  color: var(--line);
  transition: color 0.25s ease, transform 0.25s ease;
}

.page-faq .faq-hero__item a:hover .faq-hero__arrow {
  color: var(--cyan);
  transform: translateY(2px);
}

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

.page-faq .faq-hero__frame {
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - var(--faq-cut)) 0, 100% var(--faq-cut), 100% 100%, 0 100%);
  background: var(--char);
}

.page-faq .faq-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.9) contrast(1.05);
}

.page-faq .faq-hero__figure figcaption {
  margin-top: 10px;
  color: var(--dim);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  line-height: 1.6;
}

/* ---------- 主体：索引 + 手风琴 ---------- */

.page-faq .faq-body {
  padding: clamp(30px, 5vw, 64px) 0 clamp(36px, 6vw, 80px);
  background: var(--char);
}

.page-faq .faq-body__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3.5vw, 40px);
  align-items: start;
}

.page-faq .faq-index {
  border: 1px solid var(--line);
  background: var(--ink);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--faq-cut)), calc(100% - var(--faq-cut)) 100%, 0 100%);
  overflow: hidden;
}

.page-faq .faq-index__figure {
  margin: 0;
  opacity: 0.55;
  mix-blend-mode: screen;
}

.page-faq .faq-index__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  max-height: 180px;
}

.page-faq .faq-index__title {
  margin: 0;
  padding: 14px 18px 10px;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--cyan);
  border-top: 1px solid var(--line);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-index__list a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 11px 18px;
  border-top: 1px solid var(--line-soft);
  color: var(--mist);
  text-decoration: none;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.98rem;
  letter-spacing: 0.02em;
  transition: color 0.2s ease, background 0.2s ease, padding-left 0.2s ease;
}

.page-faq .faq-index__list .mono {
  font-size: 0.72rem;
  color: var(--line);
  transition: color 0.2s ease;
}

.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  color: var(--paper);
  background: rgba(43, 245, 200, 0.07);
  padding-left: 24px;
}

.page-faq .faq-index__list a:hover .mono {
  color: var(--cyan);
}

.page-faq .faq-index__note {
  margin: 0;
  padding: 14px 18px 18px;
  border-top: 1px solid var(--line-soft);
  color: var(--dim);
  font-size: 0.78rem;
  line-height: 1.7;
}

.page-faq .faq-qa {
  background: var(--paper);
  color: var(--char);
  padding: clamp(18px, 3.6vw, 44px);
  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-cat + .faq-cat {
  margin-top: clamp(28px, 4vw, 44px);
}

.page-faq .faq-cat__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--ink);
}

.page-faq .faq-cat__num {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--orange);
}

.page-faq .faq-cat__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.2rem, 3vw, 1.55rem);
  letter-spacing: 0.01em;
  color: var(--ink);
}

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

.page-faq .faq-item summary {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 15px 30px 15px 0;
  cursor: pointer;
  list-style: none;
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.55;
  color: var(--ink);
  transition: color 0.2s ease;
}

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

.page-faq .faq-item summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 12px;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--ink);
  transition: color 0.2s ease, transform 0.25s ease;
}

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

.page-faq .faq-item summary:hover {
  color: #11463C;
}

.page-faq .faq-item[open] {
  border-bottom-color: var(--ink);
}

.page-faq .faq-item[open] summary {
  box-shadow: inset 3px 0 0 var(--orange);
  padding-left: 14px;
}

.page-faq .faq-answer {
  padding: 0 0 18px 14px;
  max-width: 62ch;
  font-size: 0.95rem;
  line-height: 1.78;
  color: #24322E;
}

.page-faq .faq-answer p {
  margin: 0 0 10px;
}

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

.page-faq .faq-link {
  display: inline-block;
  color: var(--ink);
  text-decoration: none;
  font-weight: 500;
  border-bottom: 1px solid var(--orange);
  padding-bottom: 1px;
  transition: background 0.2s ease;
}

.page-faq .faq-link:hover,
.page-faq .faq-link:focus-visible {
  background: rgba(255, 122, 26, 0.16);
}

/* ---------- 底部帮助通道 ---------- */

.page-faq .faq-help {
  padding: clamp(32px, 5vw, 68px) 0 clamp(38px, 6vw, 76px);
  background:
    radial-gradient(90% 120% at 12% 10%, rgba(255, 122, 26, 0.12), transparent 60%),
    var(--ink);
}

.page-faq .faq-help__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3.5vw, 44px);
  align-items: start;
}

.page-faq .faq-help__title {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.5rem, 4.4vw, 2.4rem);
  line-height: 1.15;
  color: var(--paper);
}

.page-faq .faq-help__text {
  margin-top: 14px;
  max-width: 54ch;
  color: var(--mist);
  font-size: 0.96rem;
  line-height: 1.78;
}

.page-faq .faq-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-faq .faq-contact {
  border: 1px solid var(--line);
  background: rgba(11, 15, 14, 0.55);
  padding: clamp(18px, 3vw, 28px);
  clip-path: polygon(var(--faq-cut) 0, 100% 0, 100% 100%, 0 100%, 0 var(--faq-cut));
}

.page-faq .faq-contact__label {
  margin: 0 0 16px;
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-faq .faq-contact__list {
  margin: 0;
  padding: 0;
}

.page-faq .faq-contact__row {
  display: grid;
  grid-template-columns: 5.2rem 1fr;
  gap: 12px;
  padding: 11px 0;
  border-top: 1px solid var(--line-soft);
}

.page-faq .faq-contact__row dt {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--dim);
  text-transform: uppercase;
}

.page-faq .faq-contact__row dd {
  margin: 0;
  color: var(--paper);
  font-size: 0.92rem;
  line-height: 1.6;
  word-break: break-word;
}

.page-faq .faq-contact__row dd.mono {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  letter-spacing: 0.01em;
}

.page-faq .faq-contact__foot {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
  color: var(--dim);
  font-size: 0.78rem;
  line-height: 1.7;
}

/* ---------- 断点 ---------- */

@media (min-width: 700px) {
  .page-faq .faq-hero__item a {
    grid-template-columns: 3.2rem 1fr 1.6rem;
    padding: 16px 6px;
  }

  .page-faq .faq-answer {
    padding-left: 18px;
  }

  .page-faq .faq-index__figure img {
    max-height: 220px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    gap: clamp(32px, 4vw, 56px);
  }

  .page-faq .faq-body__grid {
    grid-template-columns: minmax(0, 280px) minmax(0, 1fr);
    gap: clamp(26px, 3vw, 48px);
  }

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

  .page-faq .faq-index__figure img {
    max-height: 240px;
  }

  .page-faq .faq-help__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-hero__title {
    max-width: 16ch;
  }
}
<<<PAGE_CSS_END>>>