.page-faq {
  --faq-index-w: 236px;
  --faq-line: rgba(168, 195, 184, .18);
  background: var(--ink);
  color: var(--bone);
}

.page-faq .container {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
  box-sizing: border-box;
}

.page-faq .breadcrumb {
  padding-top: 18px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--faq-line);
  background:
    repeating-linear-gradient(115deg, rgba(168, 195, 184, .055) 0 1px, transparent 1px 15px),
    radial-gradient(120% 150% at 6% 0%, rgba(200, 255, 61, .12), transparent 56%),
    linear-gradient(162deg, var(--stand), var(--ink) 74%);
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: 26px;
  padding-block: 40px 44px;
}

.page-faq .faq-hero__lead h1 {
  margin: 14px 0 0;
  font-family: var(--font-head);
  font-size: clamp(29px, 6.2vw, 50px);
  line-height: 1.12;
  letter-spacing: -.01em;
  font-weight: 800;
  color: var(--bone);
}

.page-faq .faq-h1__hl {
  display: inline-block;
  color: var(--lime);
  border-bottom: 3px solid rgba(200, 255, 61, .5);
  padding-bottom: 2px;
}

.page-faq .faq-hero__intro {
  margin: 18px 0 0;
  max-width: 36em;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.78;
  color: rgba(243, 240, 230, .82);
}

.page-faq .faq-hero__side {
  border: 1px solid var(--line-strong);
  background: var(--surface-glass);
  backdrop-filter: blur(6px);
  border-radius: var(--radius);
  padding: 16px 16px 10px;
}

.page-faq .faq-hero__side-title {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--lime);
}

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

.page-faq .faq-hero__jump li + li {
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-hero__jump a {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 10px 2px;
  color: var(--bone);
  text-decoration: none;
  font-size: 14.5px;
  line-height: 1.5;
  transition: color var(--t-fast) var(--ease), transform var(--t-fast) var(--ease);
}

.page-faq .faq-hero__jump a .mono {
  font-size: 11px;
  color: var(--amber);
  flex: 0 0 auto;
}

.page-faq .faq-hero__jump a:hover {
  color: var(--lime);
  transform: translateX(3px);
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-body {
  display: grid;
  gap: 26px;
  padding-block: 34px 64px;
}

.page-faq .faq-index {
  border: 1px solid var(--line);
  background: var(--surface-glass);
  backdrop-filter: blur(6px);
  border-radius: var(--radius);
  padding: 16px 16px 14px;
}

.page-faq .faq-index__title {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--rock);
}

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

.page-faq .faq-index__list li + li {
  margin-top: 4px;
}

.page-faq .faq-index__list a {
  display: grid;
  grid-template-columns: 26px 1fr;
  align-items: baseline;
  gap: 8px;
  padding: 9px 8px 9px 10px;
  border-left: 2px solid transparent;
  border-radius: 2px;
  color: var(--bone);
  text-decoration: none;
  font-size: 14.5px;
  line-height: 1.45;
  transition: border-color var(--t-fast) var(--ease), background var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}

.page-faq .faq-index__num {
  font-size: 11px;
  color: var(--rock);
}

.page-faq .faq-index__list a:hover {
  border-left-color: var(--lime);
  background: rgba(200, 255, 61, .07);
  color: var(--lime);
}

.page-faq .faq-index__list a:hover .faq-index__num {
  color: var(--lime);
}

.page-faq .faq-index__note {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--faq-line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--rock);
}

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

.page-faq .faq-index__note .link-arrow {
  color: var(--lime);
  text-decoration: none;
  font-size: 13.5px;
}

/* ---------- 分组 ---------- */
.page-faq .faq-group + .faq-group {
  margin-top: 46px;
  padding-top: 6px;
}

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-group__num {
  font-size: 13px;
  color: var(--lime);
  letter-spacing: .04em;
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(20px, 3.6vw, 26px);
  line-height: 1.25;
  letter-spacing: -.01em;
  color: var(--bone);
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-glass);
  transition: background var(--t-mid) var(--ease), border-color var(--t-fast) var(--ease),
    transform var(--t-fast) var(--ease), box-shadow var(--t-mid) var(--ease);
}

.page-faq .faq-item + .faq-item {
  margin-top: 10px;
}

.page-faq .faq-item:hover {
  transform: translateY(-2px);
  border-color: var(--lime);
}

.page-faq .faq-item[open] {
  background: var(--bone);
  border-color: var(--bone);
  color: var(--ink);
  transform: none;
  box-shadow: 0 20px 40px -26px rgba(0, 0, 0, .95);
}

.page-faq .faq-q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 16px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-head);
  font-size: 16.5px;
  line-height: 1.5;
  font-weight: 600;
  color: inherit;
  border-radius: var(--radius);
}

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

.page-faq .faq-q__num {
  flex: 0 0 auto;
  padding-top: 4px;
  font-size: 11px;
  font-weight: 400;
  color: var(--lime);
}

.page-faq .faq-item[open] .faq-q__num {
  color: var(--terra);
}

.page-faq .faq-q__text {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .faq-q__mark {
  position: relative;
  flex: 0 0 22px;
  width: 22px;
  height: 22px;
  margin-top: 1px;
  border: 1px solid var(--line-strong);
  border-radius: 2px;
}

.page-faq .faq-q__mark::before,
.page-faq .faq-q__mark::after {
  content: "";
  position: absolute;
  background: var(--lime);
}

.page-faq .faq-q__mark::before {
  left: 5px;
  right: 5px;
  top: 10px;
  height: 1.5px;
}

.page-faq .faq-q__mark::after {
  top: 5px;
  bottom: 5px;
  left: 10px;
  width: 1.5px;
  transition: transform var(--t-fast) var(--ease), opacity var(--t-fast) var(--ease);
}

.page-faq .faq-item[open] .faq-q__mark {
  border-color: var(--moss);
  background: rgba(10, 30, 24, .06);
}

.page-faq .faq-item[open] .faq-q__mark::before {
  background: var(--ink);
}

.page-faq .faq-item[open] .faq-q__mark::after {
  opacity: 0;
  transform: scaleY(.2);
}

.page-faq .faq-a {
  padding: 0 16px 18px;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.78;
  color: rgba(10, 30, 24, .86);
}

.page-faq .faq-a p {
  margin: 0 0 10px;
  max-width: 36em;
}

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

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

.page-faq .faq-a a:hover {
  color: var(--moss);
}

/* ---------- 配图 ---------- */
.page-faq .faq-figure {
  margin: 18px 0 0;
  border: 1px solid var(--line);
  background: var(--stand);
  border-radius: var(--radius);
  overflow: hidden;
}

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

.page-faq .faq-figure__cap {
  display: block;
  padding: 10px 14px;
  font-size: 11.5px;
  letter-spacing: .04em;
  color: var(--glass);
  border-top: 1px solid var(--faq-line);
  background: rgba(10, 30, 24, .55);
}

/* ---------- 底部客服 ---------- */
.page-faq .faq-help {
  border-top: 1px solid var(--faq-line);
  background:
    radial-gradient(90% 130% at 92% 0%, rgba(255, 179, 71, .14), transparent 60%),
    linear-gradient(180deg, var(--stand), var(--coal));
  padding-block: 44px 56px;
}

.page-faq .faq-help__inner {
  display: grid;
  gap: 26px;
}

.page-faq .faq-help__title {
  margin: 12px 0 0;
  font-family: var(--font-head);
  font-size: clamp(22px, 4vw, 30px);
  line-height: 1.25;
  letter-spacing: -.01em;
  color: var(--bone);
}

.page-faq .faq-help__text {
  margin: 14px 0 20px;
  max-width: 34em;
  font-family: var(--font-body);
  font-size: 15.5px;
  line-height: 1.78;
  color: rgba(243, 240, 230, .78);
}

.page-faq .faq-help .btn {
  display: inline-block;
}

.page-faq .faq-contact {
  display: grid;
  gap: 10px;
  align-content: start;
}

.page-faq .faq-contact__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(10, 30, 24, .5);
}

.page-faq .faq-contact__label {
  flex: 0 0 auto;
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--rock);
}

.page-faq .faq-value {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 13.5px;
  color: var(--bone);
  overflow-wrap: anywhere;
}

.page-faq .faq-contact .copy-btn {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 10px;
  border: 1px solid var(--line-strong);
  border-radius: 2px;
  background: transparent;
  color: var(--bone);
  font-family: var(--font-mono);
  font-size: 12px;
  cursor: pointer;
  transition: border-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}

.page-faq .faq-contact .copy-btn:hover {
  border-color: var(--lime);
  color: var(--lime);
}

.page-faq .faq-contact .copy-btn__tag {
  font-size: 10px;
  color: var(--amber);
  letter-spacing: .06em;
}

.page-faq .copy-status {
  margin: 2px 0 0;
  min-height: 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--lime);
}

/* ---------- 焦点 ---------- */
.page-faq .faq-q:focus-visible,
.page-faq .faq-index__list a:focus-visible,
.page-faq .faq-hero__jump a:focus-visible,
.page-faq .faq-index__note .link-arrow:focus-visible,
.page-faq .faq-help .btn:focus-visible,
.page-faq .faq-contact .copy-btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px var(--ink), 0 0 0 4px var(--lime);
  border-radius: var(--radius);
}

.page-faq .faq-a a:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px var(--bone), 0 0 0 4px var(--terra);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-a {
    padding-left: 50px;
  }

  .page-faq .faq-contact__row {
    flex-wrap: nowrap;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    align-items: end;
    gap: 40px;
    padding-block: 62px 58px;
  }

  .page-faq .faq-body {
    grid-template-columns: var(--faq-index-w) minmax(0, 1fr);
    gap: 40px;
    align-items: start;
    padding-block: 46px 80px;
  }

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

  .page-faq .faq-help__inner {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    align-items: center;
    gap: 40px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-hero__jump a,
  .page-faq .faq-q__mark::after {
    transition: color var(--t-fast) var(--ease), background var(--t-fast) var(--ease),
      border-color var(--t-fast) var(--ease);
  }

  .page-faq .faq-item:hover,
  .page-faq .faq-hero__jump a:hover {
    transform: none;
  }
}
<<<END>>>