.page-faq {
  --faq-pad: clamp(18px, 4.5vw, 40px);
  background: var(--arena);
  color: var(--paper);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(28px, 6vw, 56px) 0 clamp(48px, 8vw, 96px);
  background:
    radial-gradient(120% 90% at 88% -10%, rgba(182, 255, 59, 0.16), transparent 62%),
    radial-gradient(90% 80% at 0% 100%, rgba(139, 92, 246, 0.2), transparent 60%),
    linear-gradient(165deg, var(--arena-2) 0%, var(--arena) 72%);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 88%);
  mask-image: linear-gradient(180deg, #000 0%, transparent 88%);
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -8%;
  bottom: -46%;
  width: 74%;
  height: 120%;
  background: linear-gradient(200deg, rgba(255, 106, 42, 0.16), transparent 68%);
  transform: rotate(-9deg);
  pointer-events: none;
}

.page-faq .faq-hero > .wrap {
  position: relative;
  z-index: 1;
}

.page-faq .crumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0 0 clamp(20px, 4vw, 36px);
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--haze);
}

.page-faq .crumbs a {
  color: var(--haze);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

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

.page-faq .crumbs li + li::before {
  content: "›";
  margin-right: 6px;
  color: var(--line-strong);
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 5vw, 44px);
  align-items: start;
}

.page-faq .faq-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: clamp(30px, 6.4vw, 62px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--paper);
  max-width: 14em;
}

.page-faq .faq-hero__copy .lead {
  margin: clamp(14px, 2vw, 22px) 0 0;
  max-width: 34em;
  color: var(--haze);
  font-size: clamp(15px, 2vw, 17px);
  line-height: 1.8;
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(18px, 3vw, 28px);
}

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

.page-faq .faq-hero__media .media-frame {
  border: 1px solid var(--line-strong);
}

.page-faq .faq-hero__media .media-frame__caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--haze);
}

/* ---------- 分类标签带 ---------- */
.page-faq .faq-jump {
  background: var(--arena-2);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 16px 0;
}

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

.page-faq .faq-jump__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 600;
  color: var(--paper);
  text-decoration: none;
  transition: border-color 0.18s ease, color 0.18s ease, background 0.18s ease;
}

.page-faq .faq-jump__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--lime);
}

.page-faq .faq-jump__link--orange .faq-jump__dot { background: var(--orange); }
.page-faq .faq-jump__link--violet .faq-jump__dot { background: var(--violet); }

.page-faq .faq-jump__link:hover,
.page-faq .faq-jump__link:focus-visible {
  border-color: var(--lime);
  color: var(--lime);
  background: rgba(182, 255, 59, 0.08);
}

/* ---------- 主体阅读区 ---------- */
.page-faq .faq-main {
  background: var(--paper);
  color: var(--ink);
  padding: clamp(34px, 6vw, 72px) 0 clamp(44px, 7vw, 88px);
}

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 44px);
}

.page-faq .faq-index {
  align-self: start;
  border-top: 2px solid var(--ink);
  padding-top: 12px;
}

.page-faq .faq-index__title {
  margin: 0 0 10px;
  font-family: var(--font-serif);
  font-size: 14px;
  letter-spacing: 0.14em;
  color: rgba(36, 28, 23, 0.62);
}

.page-faq .faq-index__list {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-index__link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 5px 0;
  font-size: 13px;
  line-height: 1.5;
  color: rgba(36, 28, 23, 0.72);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-faq .faq-index__link .mono {
  font-size: 11px;
  color: var(--orange);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible,
.page-faq .faq-index__link.is-active {
  color: var(--ink);
  border-bottom-color: var(--orange);
}

.page-faq .faq-group + .faq-group {
  margin-top: clamp(34px, 5vw, 58px);
}

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 8px;
}

.page-faq .faq-group__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--orange);
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(20px, 3.4vw, 28px);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-faq .faq-group__lead {
  margin: 0 0 16px;
  font-family: var(--font-serif);
  font-size: 14px;
  line-height: 1.75;
  color: rgba(36, 28, 23, 0.66);
}

.page-faq .faq-group__figure {
  margin: 0 0 18px;
}

.page-faq .faq-group__figure .media-frame {
  border: 1px solid var(--line-ink);
}

.page-faq .faq-group__figure .media-frame__caption {
  display: block;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: rgba(36, 28, 23, 0.6);
}

/* ---------- 手风琴 ---------- */
.page-faq .faq-item {
  border-top: 1px solid var(--line-ink);
}

.page-faq .faq-item:last-of-type {
  border-bottom: 1px solid var(--line-ink);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 2px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: clamp(15px, 2.2vw, 17px);
  font-weight: 600;
  line-height: 1.6;
  color: var(--ink);
}

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

.page-faq .faq-item__q:hover .faq-item__qtext,
.page-faq .faq-item__q:focus-visible .faq-item__qtext {
  color: #7a3d12;
}

.page-faq .faq-item__no {
  flex: none;
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: rgba(36, 28, 23, 0.42);
}

.page-faq .faq-item__qtext {
  flex: 1 1 auto;
  min-width: 0;
  transition: color 0.18s ease;
}

.page-faq .faq-item__mark {
  position: relative;
  flex: none;
  width: 22px;
  height: 22px;
  margin-top: 3px;
  border: 1px solid var(--line-ink);
  border-radius: 50%;
  transition: background 0.18s ease, border-color 0.18s ease;
}

.page-faq .faq-item__mark::before,
.page-faq .faq-item__mark::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--ink);
  transform: translate(-50%, -50%);
  transition: opacity 0.18s ease, background 0.18s ease;
}

.page-faq .faq-item__mark::before {
  width: 9px;
  height: 1.5px;
}

.page-faq .faq-item__mark::after {
  width: 1.5px;
  height: 9px;
}

.page-faq .faq-item[open] .faq-item__mark {
  background: var(--arena);
  border-color: var(--arena);
}

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

.page-faq .faq-item[open] .faq-item__mark::after {
  opacity: 0;
}

.page-faq .faq-item__a {
  padding: 0 0 20px;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.8;
  color: rgba(36, 28, 23, 0.86);
}

.page-faq .faq-item__a p {
  margin: 0;
  max-width: 38em;
}

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

.page-faq .faq-item__a a {
  color: #7a3d12;
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

.page-faq .faq-item__step {
  padding-left: 12px;
  border-left: 3px solid var(--orange);
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.7;
  color: rgba(36, 28, 23, 0.7);
}

.page-faq .faq-note {
  margin-top: 18px;
  padding: 14px 16px;
  background: var(--paper-2);
  border-left: 2px solid var(--violet);
}

.page-faq .faq-note__title {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--violet);
}

.page-faq .faq-note p {
  margin: 0;
  max-width: 36em;
  font-family: var(--font-serif);
  font-size: 14px;
  line-height: 1.8;
  color: rgba(36, 28, 23, 0.78);
}

/* ---------- 客服区 ---------- */
.page-faq .faq-support {
  position: relative;
  background:
    radial-gradient(80% 120% at 100% 0%, rgba(182, 255, 59, 0.14), transparent 62%),
    linear-gradient(180deg, var(--arena-2), var(--arena));
  padding: clamp(38px, 7vw, 84px) 0 clamp(28px, 5vw, 52px);
  border-top: 1px solid var(--line);
}

.page-faq .faq-support__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 48px);
  align-items: start;
}

.page-faq .faq-support__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(24px, 4.4vw, 38px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-support__lead {
  margin: 14px 0 0;
  max-width: 32em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--haze);
}

.page-faq .faq-support__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(18px, 3vw, 26px);
}

.page-faq .faq-support__panel {
  padding: clamp(18px, 3vw, 26px);
  background: rgba(11, 27, 51, 0.62);
  border: 1px solid var(--line-strong);
  border-top: 2px solid var(--lime);
}

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

.page-faq .faq-contact__row {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
  padding: 11px 0;
  border-bottom: 1px dashed var(--line);
}

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

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

.page-faq .faq-contact dt {
  flex: none;
  min-width: 5.5em;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--haze);
}

.page-faq .faq-contact dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--paper);
  word-break: break-word;
}

.page-faq .faq-contact dd.mono {
  font-family: var(--font-mono);
  font-size: 13.5px;
  letter-spacing: 0.01em;
}

.page-faq .faq-support__hint {
  margin: 16px 0 0;
  font-family: var(--font-serif);
  font-size: 13px;
  line-height: 1.75;
  color: var(--haze);
}

.page-faq .faq-top {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: clamp(26px, 4vw, 40px);
  padding: 7px 16px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--haze);
  text-decoration: none;
}

.page-faq .faq-top::before {
  content: "↑";
  color: var(--lime);
}

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

/* ---------- 平板 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: center;
  }

  .page-faq .faq-support__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.92fr);
  }

  .page-faq .faq-index__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 0;
  }

  .page-faq .faq-index__link {
    display: flex;
    width: 100%;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 980px) {
  .page-faq .faq-layout {
    grid-template-columns: 246px minmax(0, 1fr);
    gap: clamp(36px, 5vw, 68px);
  }

  .page-faq .faq-index {
    position: sticky;
    top: 92px;
    padding-top: 14px;
  }

  .page-faq .faq-index__link {
    padding: 8px 0;
    border-bottom: 1px solid transparent;
  }

  .page-faq .faq-item__q {
    padding: 18px 2px;
  }

  .page-faq .faq-jump__list {
    gap: 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-jump__link,
  .page-faq .faq-item__qtext,
  .page-faq .faq-item__mark,
  .page-faq .faq-item__mark::before,
  .page-faq .faq-item__mark::after {
    transition: none;
  }
}
<<<END>>>