.page-faq {
  --faq-pad: clamp(46px, 6.5vw, 92px);
  --faq-line-ink: rgba(4, 16, 13, 0.12);
  --faq-blk: var(--c-moss);
  background: var(--c-ink);
  color: var(--c-cream);
  font-family: var(--font-body);
}

.page-faq .mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* ---------- 页首 ---------- */
.page-faq .faq-head {
  position: relative;
  padding: clamp(26px, 4vw, 46px) 0 clamp(44px, 6vw, 80px);
  background:
    radial-gradient(115% 85% at 88% 0%, rgba(53, 240, 164, 0.16), transparent 62%),
    linear-gradient(180deg, var(--c-ink) 0%, var(--c-night) 100%);
  border-bottom: 1px solid var(--line-dark);
  overflow: hidden;
}

.page-faq .faq-head::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(207, 230, 219, 0.055) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(207, 230, 219, 0.055) 1px, transparent 1px);
  background-size: 68px 68px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.85), transparent 72%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.85), transparent 72%);
  pointer-events: none;
}

.page-faq .faq-head__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 50px);
  align-items: end;
}

.page-faq .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: rgba(207, 230, 219, 0.5);
}

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

.page-faq .breadcrumb a:hover {
  color: var(--c-neon);
}

.page-faq .breadcrumb li + li::before {
  content: "/";
  margin-right: 6px;
  color: rgba(207, 230, 219, 0.3);
}

.page-faq .faq-head .eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-neon);
}

.page-faq .faq-head h1 {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(34px, 6.4vw, 66px);
  line-height: 1.05;
  letter-spacing: -0.015em;
  color: var(--c-cream);
}

.page-faq .faq-head .lede {
  margin: 0 0 28px;
  max-width: 44ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: rgba(207, 230, 219, 0.68);
}

.page-faq .faq-head__jump {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

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

.page-faq .faq-head__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  clip-path: var(--cut-lg);
  border: 1px solid rgba(53, 240, 164, 0.3);
  filter: saturate(0.88) contrast(1.06);
}

.page-faq .faq-head__media figcaption {
  margin-top: 12px;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: rgba(207, 230, 219, 0.42);
}

@media (min-width: 900px) {
  .page-faq .faq-head__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
}

/* ---------- 分类索引 ---------- */
.page-faq .faq-index {
  padding: var(--faq-pad) 0;
  background: var(--c-night);
  border-bottom: 1px solid var(--line-dark);
}

.page-faq .faq-index__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.5vw, 40px);
  align-items: start;
}

.page-faq .faq-index__head h2 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 3.4vw, 38px);
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--c-cream);
}

.page-faq .faq-index__note {
  margin: 0;
  max-width: 52ch;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(207, 230, 219, 0.58);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}

.page-faq .faq-index__item a {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 3px 12px;
  align-items: baseline;
  padding: 14px 16px 14px 19px;
  text-decoration: none;
  color: var(--c-cream);
  background: rgba(207, 230, 219, 0.045);
  border: 1px solid rgba(207, 230, 219, 0.09);
  clip-path: var(--cut);
  transition: background 0.22s ease, border-color 0.22s ease, transform 0.22s ease;
}

.page-faq .faq-index__item a::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--c-neon);
  transition: background 0.22s ease;
}

.page-faq .faq-index__item:nth-child(2) a::before { background: var(--c-amber); }
.page-faq .faq-index__item:nth-child(3) a::before { background: var(--c-mist); }
.page-faq .faq-index__item:nth-child(4) a::before { background: var(--c-clay); }
.page-faq .faq-index__item:nth-child(5) a::before { background: var(--c-moss); }
.page-faq .faq-index__item:nth-child(6) a::before { background: var(--c-rock); }

.page-faq .faq-index__item a:hover,
.page-faq .faq-index__item a:focus-visible {
  background: rgba(53, 240, 164, 0.1);
  border-color: rgba(53, 240, 164, 0.4);
  transform: translateX(3px);
}

.page-faq .faq-index__num {
  grid-row: span 2;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: rgba(207, 230, 219, 0.42);
}

.page-faq .faq-index__name {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.page-faq .faq-index__meta {
  font-size: 11px;
  letter-spacing: 0.06em;
  color: rgba(207, 230, 219, 0.45);
}

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

.page-faq .faq-index__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  clip-path: var(--cut-lg);
  border: 1px solid rgba(207, 230, 219, 0.12);
  filter: saturate(0.82) contrast(1.05);
}

.page-faq .faq-index__media figcaption {
  margin-top: 12px;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: rgba(207, 230, 219, 0.42);
}

@media (min-width: 560px) {
  .page-faq .faq-index__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 880px) {
  .page-faq .faq-index__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
  .page-faq .faq-index__head {
    grid-column: 1 / -1;
  }
}

/* ---------- 问答主体 ---------- */
.page-faq .faq-sheet {
  padding: var(--faq-pad) 0;
  background: var(--c-cream);
  color: var(--c-black);
}

.page-faq .faq-sheet__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 4vw, 54px);
}

.page-faq .faq-block {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(16px, 2.4vw, 30px);
  padding-top: clamp(22px, 3vw, 34px);
  border-top: 1px solid var(--faq-line-ink);
}

.page-faq .faq-sheet__inner > .faq-block:first-child {
  border-top: none;
  padding-top: 0;
}

.page-faq .faq-sheet__inner > .faq-block:nth-child(1) { --faq-blk: var(--c-moss); }
.page-faq .faq-sheet__inner > .faq-block:nth-child(2) { --faq-blk: var(--c-clay); }
.page-faq .faq-sheet__inner > .faq-block:nth-child(3) { --faq-blk: var(--c-ink); }
.page-faq .faq-sheet__inner > .faq-block:nth-child(4) { --faq-blk: var(--c-amber); }
.page-faq .faq-sheet__inner > .faq-block:nth-child(5) { --faq-blk: var(--c-rock); }
.page-faq .faq-sheet__inner > .faq-block:nth-child(6) { --faq-blk: var(--c-moss); }

.page-faq .faq-block__idx {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: rgba(4, 16, 13, 0.38);
}

.page-faq .faq-block__title {
  margin: 6px 0 12px;
  padding-left: 14px;
  border-left: 4px solid var(--faq-blk);
  font-family: var(--font-display);
  font-size: clamp(22px, 2.9vw, 30px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--c-black);
}

.page-faq .faq-block__note {
  margin: 0 0 16px;
  padding-left: 18px;
  max-width: 30ch;
  font-size: 13.5px;
  line-height: 1.75;
  color: rgba(4, 16, 13, 0.6);
}

.page-faq .faq-block__copy {
  margin-left: 18px;
  padding: 7px 13px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: rgba(4, 16, 13, 0.55);
  background: transparent;
  border: 1px solid rgba(4, 16, 13, 0.18);
  clip-path: var(--cut);
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.page-faq .faq-block__copy:hover,
.page-faq .faq-block__copy:focus-visible {
  color: var(--c-black);
  border-color: var(--faq-blk);
  background: rgba(4, 16, 13, 0.04);
}

.page-faq .faq-list,
.page-faq .faq-block__body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}

.page-faq .faq-item {
  background: rgba(255, 255, 255, 0.62);
  border: 1px solid rgba(4, 16, 13, 0.1);
  clip-path: var(--cut);
  transition: background 0.22s ease, border-color 0.22s ease;
}

.page-faq .faq-item:hover {
  background: #fff;
  border-color: rgba(4, 16, 13, 0.2);
}

.page-faq .faq-item[open] {
  background: #fff;
  border-color: var(--faq-blk);
  box-shadow: inset 3px 0 0 var(--faq-blk);
}

.page-faq .faq-item__q {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 12px;
  align-items: start;
  padding: 15px 16px;
  list-style: none;
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--c-black);
}

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

.page-faq .faq-item__q::marker {
  content: "";
}

.page-faq .faq-item__q:focus-visible {
  outline: 2px solid var(--c-moss);
  outline-offset: -3px;
}

.page-faq .faq-item__num {
  padding-top: 4px;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: rgba(4, 16, 13, 0.34);
}

.page-faq .faq-item__ic {
  position: relative;
  width: 15px;
  height: 15px;
  margin-top: 4px;
}

.page-faq .faq-item__ic::before,
.page-faq .faq-item__ic::after {
  content: "";
  position: absolute;
  background: var(--faq-blk);
  transition: transform 0.24s ease, opacity 0.24s ease;
}

.page-faq .faq-item__ic::before {
  left: 0;
  right: 0;
  top: 6px;
  height: 2px;
}

.page-faq .faq-item__ic::after {
  top: 0;
  bottom: 0;
  left: 6px;
  width: 2px;
}

.page-faq .faq-item[open] .faq-item__ic::after {
  transform: rotate(90deg);
  opacity: 0;
}

.page-faq .faq-item__a {
  padding: 0 18px 16px 50px;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(4, 16, 13, 0.72);
}

.page-faq .faq-item__a p {
  margin: 0 0 8px;
}

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

.page-faq .faq-item__a b,
.page-faq .faq-item__a strong {
  font-weight: 700;
  color: var(--c-black);
}

.page-faq .faq-item__a .hl {
  display: inline;
  padding: 1px 5px;
  font-family: var(--font-mono);
  font-size: 0.9em;
  font-weight: 600;
  color: var(--c-black);
  background: rgba(242, 163, 58, 0.26);
}

@media (min-width: 880px) {
  .page-faq .faq-block {
    grid-template-columns: minmax(0, 3.2fr) minmax(0, 8.8fr);
    gap: clamp(20px, 3vw, 44px);
  }
  .page-faq .faq-block__aside {
    position: sticky;
    top: 128px;
    align-self: start;
  }
}

@media (max-width: 559px) {
  .page-faq .faq-item__q {
    font-size: 14.5px;
    padding: 14px 13px;
    gap: 9px;
  }
  .page-faq .faq-item__a {
    padding: 0 14px 15px 14px;
    font-size: 14px;
  }
}

/* ---------- 支持区块 ---------- */
.page-faq .faq-support {
  position: relative;
  padding: var(--faq-pad) 0;
  background:
    radial-gradient(90% 70% at 12% 0%, rgba(53, 240, 164, 0.13), transparent 60%),
    linear-gradient(180deg, var(--c-ink) 0%, var(--c-night) 100%);
  border-top: 1px solid var(--line-dark);
}

.page-faq .faq-support__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 3.6vw, 44px);
}

.page-faq .faq-support .eyebrow {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-amber);
}

.page-faq .faq-support h2 {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 3.8vw, 40px);
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--c-cream);
}

.page-faq .faq-support .lede {
  margin: 0;
  max-width: 54ch;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(207, 230, 219, 0.66);
}

.page-faq .faq-support__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-faq .faq-support__card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 20px 18px;
  background: rgba(207, 230, 219, 0.045);
  border: 1px solid rgba(207, 230, 219, 0.12);
  clip-path: var(--cut);
}

.page-faq .faq-support__card:nth-child(1) { border-top: 2px solid var(--c-neon); }
.page-faq .faq-support__card:nth-child(2) { border-top: 2px solid var(--c-amber); }
.page-faq .faq-support__card:nth-child(3) { border-top: 2px solid var(--c-moss); }

.page-faq .faq-support__label {
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(207, 230, 219, 0.46);
}

.page-faq .faq-support__value {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 500;
  line-height: 1.5;
  color: var(--c-cream);
  text-decoration: none;
  word-break: break-word;
}

.page-faq .faq-support__value:hover {
  color: var(--c-neon);
}

.page-faq .faq-support__value--plain {
  font-family: var(--font-body);
  font-size: 14.5px;
  font-weight: 500;
}

.page-faq .faq-support__hint {
  font-size: 12.5px;
  line-height: 1.65;
  color: rgba(207, 230, 219, 0.46);
}

.page-faq .faq-support__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  padding-top: clamp(14px, 2vw, 22px);
  border-top: 1px solid var(--line-dark);
}

.page-faq .faq-support__links .link-arrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-neon);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 240, 164, 0.35);
  padding-bottom: 2px;
}

.page-faq .faq-support__links .link-arrow:hover {
  color: var(--c-cream);
  border-bottom-color: var(--c-cream);
}

@media (min-width: 720px) {
  .page-faq .faq-support__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 980px) {
  .page-faq .faq-support__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }
  .page-faq .faq-support__head {
    grid-column: 1 / -1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index__item a,
  .page-faq .faq-item,
  .page-faq .faq-item__ic::before,
  .page-faq .faq-item__ic::after,
  .page-faq .faq-block__copy {
    transition: none;
  }
  .page-faq .faq-index__item a:hover,
  .page-faq .faq-index__item a:focus-visible {
    transform: none;
  }
}
<<<END>>>