.page-faq {
  --faq-rule: rgba(22, 26, 24, .14);
  --faq-rule-dark: rgba(201, 255, 74, .18);
  --faq-pad: clamp(18px, 4vw, 56px);
  background: var(--ink);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 5vw, 60px) 0 clamp(46px, 7vw, 92px);
  background:
    repeating-linear-gradient(to right, transparent 0 71px, var(--faq-rule-dark) 71px 72px),
    repeating-linear-gradient(to bottom, transparent 0 71px, var(--faq-rule-dark) 71px 72px),
    radial-gradient(circle at 84% 8%, rgba(201, 255, 74, .16), transparent 58%),
    radial-gradient(circle at 8% 92%, rgba(20, 68, 58, .85), transparent 62%),
    var(--ink);
}

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

.page-faq .faq-crumb {
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-faq .faq-crumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--moss);
}

.page-faq .faq-crumb__list a {
  color: var(--lime-mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .25s var(--ease), color .25s var(--ease);
}

.page-faq .faq-crumb__list a:hover {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

.page-faq .faq-crumb__list li + li::before {
  content: "/";
  margin-right: 10px;
  color: rgba(94, 115, 107, .9);
}

.page-faq .faq-hero__eyebrow {
  color: var(--lime);
  letter-spacing: .22em;
}

.page-faq .faq-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 6.4vw, 68px);
  line-height: 1.06;
  letter-spacing: -.02em;
  color: var(--paper);
  max-width: 15ch;
}

.page-faq .faq-hero__title::after {
  content: "";
  display: block;
  width: 72px;
  height: 4px;
  margin-top: 22px;
  background: var(--lime);
}

.page-faq .faq-hero__lede {
  margin: 22px 0 0;
  max-width: 58ch;
  font-size: clamp(15px, 1.7vw, 18px);
  line-height: 1.8;
  color: rgba(246, 241, 230, .82);
}

.page-faq .faq-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-hero__facts li {
  padding: 6px 12px;
  border: 1px solid var(--faq-rule-dark);
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .04em;
  color: var(--lime-mist);
}

.page-faq .faq-hero__media {
  position: relative;
  margin: 0;
  clip-path: polygon(0 6%, 100% 0, 100% 94%, 0 100%);
  background: var(--ink-2);
}

.page-faq .faq-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.85) contrast(1.06);
}

.page-faq .faq-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    repeating-linear-gradient(to right, transparent 0 43px, rgba(201, 255, 74, .12) 43px 44px),
    linear-gradient(to top, rgba(7, 30, 26, .75), rgba(7, 30, 26, 0) 62%);
}

/* ---------- 问答主体 ---------- */
.page-faq .faq-body {
  background: var(--paper);
  color: var(--carbon);
  padding: clamp(34px, 6vw, 84px) 0 clamp(40px, 6vw, 88px);
}

.page-faq .faq-body__grid {
  display: grid;
  gap: clamp(26px, 4vw, 56px);
}

.page-faq .faq-index {
  border-top: 2px solid var(--carbon);
  padding-top: 14px;
}

.page-faq .faq-index__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--moss);
}

.page-faq .faq-index__list {
  display: flex;
  gap: 10px;
  margin: 0;
  padding: 0 0 10px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-faq .faq-index__list li {
  flex: 0 0 auto;
}

.page-faq .faq-index__list a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border: 1px solid var(--faq-rule);
  border-radius: 2px;
  font-size: 13.5px;
  line-height: 1.4;
  color: var(--carbon);
  text-decoration: none;
  white-space: nowrap;
  background: rgba(255, 255, 255, .5);
  transition: background .25s var(--ease), border-color .25s var(--ease), transform .25s var(--ease);
}

.page-faq .faq-index__list a:hover {
  background: var(--lime-mist);
  border-color: var(--ink-3);
  transform: translateX(2px);
}

.page-faq .faq-index__num {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  color: var(--ink-3);
}

/* 分组 */
.page-faq .faq-group {
  padding: clamp(24px, 3.6vw, 40px) 0 clamp(20px, 3vw, 34px);
  border-top: 1px solid var(--faq-rule);
}

.page-faq .faq-group:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px 16px;
  align-items: start;
  margin-bottom: clamp(16px, 2.4vw, 26px);
}

.page-faq .faq-group__num {
  display: inline-block;
  padding: 4px 9px;
  background: var(--ink);
  color: var(--lime);
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .04em;
  line-height: 1.5;
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 3.2vw, 30px);
  line-height: 1.3;
  letter-spacing: -.01em;
  color: var(--carbon);
}

.page-faq .faq-group__note {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--moss);
}

.page-faq .faq-group__media {
  margin: 0 0 clamp(18px, 2.6vw, 26px);
  background: var(--ink-2);
}

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

/* 手风琴 */
.page-faq .faq-list {
  border-bottom: 1px solid var(--faq-rule);
}

.page-faq .faq-item {
  border-top: 1px solid var(--faq-rule);
}

.page-faq .faq-item__summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 2px;
  list-style: none;
  cursor: pointer;
  transition: background .28s var(--ease), padding .28s var(--ease), color .28s var(--ease);
}

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

.page-faq .faq-item__summary:hover {
  padding-left: 10px;
}

.page-faq .faq-item__q {
  margin: 0;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: clamp(15.5px, 2.1vw, 18.5px);
  line-height: 1.55;
  color: var(--carbon);
}

.page-faq .faq-item__sign {
  position: relative;
  flex: 0 0 auto;
  width: 24px;
  height: 24px;
  border: 1px solid var(--faq-rule);
  border-radius: 50%;
  transition: border-color .28s var(--ease), background .28s var(--ease);
}

.page-faq .faq-item__sign::before,
.page-faq .faq-item__sign::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: var(--ink-3);
  transition: transform .28s var(--ease), opacity .28s var(--ease), background .28s var(--ease);
}

.page-faq .faq-item__sign::before {
  width: 10px;
  height: 2px;
  transform: translate(-50%, -50%);
}

.page-faq .faq-item__sign::after {
  width: 2px;
  height: 10px;
  transform: translate(-50%, -50%);
}

.page-faq .faq-item[open] .faq-item__summary {
  background: var(--ink-2);
  padding-left: 14px;
  padding-right: 14px;
}

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

.page-faq .faq-item[open] .faq-item__sign {
  border-color: rgba(201, 255, 74, .5);
  background: rgba(201, 255, 74, .1);
}

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

.page-faq .faq-item[open] .faq-item__sign::after {
  opacity: 0;
  transform: translate(-50%, -50%) rotate(90deg);
}

.page-faq .faq-item__body {
  padding: 14px 2px 22px;
}

.page-faq .faq-item__body p {
  margin: 0;
  max-width: 64ch;
  font-size: clamp(14.5px, 1.6vw, 16.5px);
  line-height: 1.85;
  color: rgba(22, 26, 24, .84);
}

.page-faq .faq-item__next {
  display: inline-block;
  margin-top: 14px;
  padding-bottom: 2px;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 13.5px;
  letter-spacing: .01em;
  color: var(--ink-3);
  text-decoration: none;
  border-bottom: 2px solid var(--lime);
  transition: color .25s var(--ease), transform .25s var(--ease);
}

.page-faq .faq-item__next:hover {
  color: var(--ink);
  transform: translateY(-1px);
}

/* 客服卡 */
.page-faq .faq-contact {
  margin-top: clamp(20px, 3vw, 30px);
  padding: clamp(20px, 3vw, 30px);
  border-radius: 4px;
  background: var(--ink-2);
  color: var(--paper);
}

.page-faq .faq-contact__title {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--lime);
}

.page-faq .faq-contact__list {
  display: grid;
  gap: 12px;
  margin: 0;
}

.page-faq .faq-contact__row {
  display: grid;
  gap: 4px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(246, 241, 230, .12);
}

.page-faq .faq-contact__row:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-faq .faq-contact__row dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--moss);
}

.page-faq .faq-contact__row dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--lime-mist);
  word-break: break-word;
}

.page-faq .faq-contact__more {
  display: inline-block;
  margin-top: 18px;
  font-weight: 700;
  font-size: 13.5px;
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(201, 255, 74, .45);
  transition: border-color .25s var(--ease);
}

.page-faq .faq-contact__more:hover {
  border-bottom-color: var(--lime);
}

/* ---------- 尾段 ---------- */
.page-faq .faq-tail {
  padding: clamp(30px, 5vw, 64px) 0;
  background:
    repeating-linear-gradient(to right, transparent 0 71px, var(--faq-rule-dark) 71px 72px),
    var(--ink);
  border-top: 1px solid var(--faq-rule-dark);
}

.page-faq .faq-tail__inner {
  display: grid;
  gap: 20px;
  align-items: center;
}

.page-faq .faq-tail__eyebrow {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--moss);
}

.page-faq .faq-tail__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 3.4vw, 32px);
  line-height: 1.28;
  letter-spacing: -.01em;
  color: var(--paper);
  max-width: 22ch;
}

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

.page-faq .faq-tail__actions .btn {
  text-decoration: none;
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-contact__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px 28px;
  }

  .page-faq .faq-contact__row {
    padding-bottom: 16px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr);
    gap: clamp(32px, 5vw, 72px);
  }

  .page-faq .faq-hero__media {
    margin-bottom: 6px;
  }

  .page-faq .faq-body__grid {
    grid-template-columns: 224px minmax(0, 1fr);
    gap: clamp(32px, 5vw, 72px);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 28px;
    padding-top: 18px;
  }

  .page-faq .faq-index__list {
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
    gap: 4px;
  }

  .page-faq .faq-index__list a {
    padding: 9px 12px;
    border-color: transparent;
    border-left: 2px solid var(--faq-rule);
    border-radius: 0;
    background: transparent;
    white-space: normal;
  }

  .page-faq .faq-index__list a:hover {
    background: rgba(201, 255, 74, .22);
    border-left-color: var(--ink-3);
    transform: translateX(3px);
  }

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

@media (min-width: 1180px) {
  .page-faq .faq-body__grid {
    grid-template-columns: 246px minmax(0, 1fr);
  }

  .page-faq .faq-group__media {
    max-width: 640px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item__summary,
  .page-faq .faq-item__sign,
  .page-faq .faq-item__sign::before,
  .page-faq .faq-item__sign::after,
  .page-faq .faq-index__list a,
  .page-faq .faq-item__next {
    transition: none;
  }

  .page-faq .faq-item__summary:hover,
  .page-faq .faq-index__list a:hover,
  .page-faq .faq-item__next:hover {
    transform: none;
  }
}
<<<END>>>