.page-faq {
  --faq-gap: clamp(24px, 4vw, 56px);
  --faq-shadow-teal: inset 0 1px 0 rgba(47, 243, 224, .26), inset 0 -1px 0 rgba(47, 243, 224, .12);
  --faq-shadow-indigo: inset 0 1px 0 rgba(233, 185, 73, .24), inset 0 -1px 0 rgba(233, 185, 73, .10);
  display: block;
}

/* ---------- 面包屑 ---------- */
.page-faq .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: clamp(18px, 2.6vw, 30px) 0 clamp(14px, 2vw, 22px);
  font-size: 13px;
  color: var(--mist);
}
.page-faq .breadcrumbs a {
  color: var(--mist);
  text-decoration: none;
}
.page-faq .breadcrumbs a:hover,
.page-faq .breadcrumbs a:focus-visible {
  color: var(--cyan);
}
.page-faq .breadcrumbs__sep {
  color: var(--line-strong);
}

/* ---------- 首屏框景 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  margin-bottom: clamp(26px, 4vw, 52px);
}
.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: auto -14% -58% 40%;
  height: 240px;
  background: radial-gradient(closest-side, rgba(255, 122, 26, .20), transparent 72%);
  pointer-events: none;
}
.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(22px, 3vw, 40px);
  padding: clamp(20px, 4vw, 46px);
}
.page-faq .faq-hero h1 {
  margin: .3em 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(32px, 6.4vw, 68px);
  line-height: 1.04;
  letter-spacing: -.02em;
  color: var(--paper);
}
.page-faq .faq-hero h1 em {
  display: block;
  font-style: normal;
  color: var(--orange);
}
.page-faq .faq-rule {
  display: block;
  margin: clamp(16px, 2.4vw, 24px) 0;
  color: var(--cyan);
  max-width: 100%;
}
.page-faq .faq-hero__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-faq .faq-hero__aside {
  display: grid;
  gap: 12px;
  align-content: start;
  padding: clamp(16px, 2.6vw, 24px);
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
  background: linear-gradient(158deg, rgba(47, 243, 224, .10), rgba(12, 22, 38, .74) 64%);
}
.page-faq .faq-aside__title {
  margin: 0 0 4px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 15px;
  letter-spacing: .12em;
  color: var(--cyan);
  text-transform: uppercase;
}
.page-faq .faq-aside__line {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-size: 15px;
  color: var(--paper);
}
.page-faq .faq-aside__line--mono {
  font-size: 13px;
  color: var(--term);
  word-break: break-all;
}
.page-faq .faq-aside__note {
  margin: 6px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--mist);
}
.page-faq .faq-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  flex: 0 0 8px;
  border-radius: 50%;
  background: var(--cyan);
  animation: faqPulse 10s var(--ease) infinite;
}
@keyframes faqPulse {
  0%, 86%, 100% { box-shadow: 0 0 0 0 rgba(47, 243, 224, .55); }
  91% { box-shadow: 0 0 0 9px rgba(47, 243, 224, 0); }
}

/* ---------- 分类筛选 ---------- */
.page-faq .faq-filter {
  display: grid;
  gap: 12px;
  margin-bottom: clamp(26px, 4vw, 48px);
}
.page-faq .chipbar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.page-faq .chip__count {
  margin-left: 7px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .04em;
  color: var(--term);
}
.page-faq .faq-filter__count {
  margin: 0;
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--mist);
}

/* ---------- 章节与色带 ---------- */
.page-faq .faq-band {
  position: relative;
  padding: clamp(34px, 5.5vw, 76px) 0;
}
.page-faq .faq-band + .faq-band {
  border-top: 1px solid var(--line);
}
.page-faq .faq-band--teal {
  background: linear-gradient(180deg, rgba(11, 46, 44, .94) 0%, rgba(11, 46, 44, .50) 100%);
  box-shadow: var(--faq-shadow-teal);
}
.page-faq .faq-band--indigo {
  background: linear-gradient(180deg, rgba(26, 20, 64, .94) 0%, rgba(26, 20, 64, .52) 100%);
  box-shadow: var(--faq-shadow-indigo);
}
.page-faq .section-title {
  margin: .2em 0 .4em;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 3.6vw, 38px);
  line-height: 1.14;
  letter-spacing: -.01em;
  color: var(--paper);
}
.page-faq .eyebrow {
  display: block;
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--orange);
}
.page-faq .faq-band--teal .eyebrow { color: var(--cyan); }
.page-faq .faq-band--indigo .eyebrow { color: var(--gold); }
.page-faq .lede {
  max-width: 68ch;
  margin: 0 0 clamp(20px, 3vw, 32px);
  font-size: 16px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 问答列表 ---------- */
.page-faq .faq-list {
  margin-top: clamp(18px, 3vw, 30px);
  border-top: 1px solid var(--line);
}
.page-faq .faq-item {
  border-bottom: 1px solid var(--line);
}
.page-faq .faq-item[hidden] {
  display: none;
}
.page-faq .faq-item__q {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 15px 2px;
  cursor: pointer;
  list-style: none;
  transition: color .18s var(--ease);
}
.page-faq .faq-item__q::-webkit-details-marker { display: none; }
.page-faq .faq-item__q::marker { content: ""; }
.page-faq .faq-item__idx {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--term);
}
.page-faq .faq-item__text {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--paper);
}
.page-faq .faq-item__q:hover .faq-item__text,
.page-faq .faq-item__q:focus-visible .faq-item__text {
  color: var(--cyan);
}
.page-faq .faq-item__mark {
  flex: 0 0 auto;
  width: 0;
  height: 0;
  border-left: 8px solid var(--cyan);
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
  transition: transform .18s var(--ease);
}
.page-faq .faq-item[open] .faq-item__mark {
  transform: rotate(90deg);
}
.page-faq .faq-item__a {
  display: grid;
  gap: 12px;
  padding: 0 2px 20px 26px;
  animation: faqOpen .2s var(--ease) both;
}
@keyframes faqOpen {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: none; }
}
.page-faq .faq-item__a p {
  margin: 0;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}
.page-faq .faq-item__a a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 243, 224, .38);
}
.page-faq .faq-item__a a:hover {
  border-bottom-color: var(--cyan);
}

/* ---------- 步骤刻度 ---------- */
.page-faq .faq-steps {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0 0 0 14px;
  list-style: none;
  counter-reset: step;
  border-left: 1px solid rgba(47, 243, 224, .34);
}
.page-faq .faq-steps li {
  position: relative;
  counter-increment: step;
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--paper);
}
.page-faq .faq-steps li::before {
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--term);
  line-height: 2.1;
}
.page-faq .faq-steps li::after {
  content: "";
  position: absolute;
  left: -16px;
  top: 12px;
  width: 6px;
  height: 1px;
  background: rgba(47, 243, 224, .6);
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure {
  margin: clamp(24px, 3.6vw, 40px) 0 0;
}
.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 联系支持 ---------- */
.page-faq .faq-contact {
  display: grid;
  gap: clamp(22px, 3vw, 40px);
  margin-top: clamp(18px, 3vw, 30px);
}
.page-faq .faq-contact .faq-figure {
  margin: 0;
}
.page-faq .faq-contact__body {
  display: grid;
  gap: clamp(18px, 2.4vw, 26px);
  align-content: start;
}
.page-faq .faq-checklist {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}
.page-faq .faq-checklist li {
  display: grid;
  gap: 4px;
  padding: 14px 2px;
  border-bottom: 1px solid var(--line);
}
.page-faq .faq-checklist__k {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 16px;
  letter-spacing: .02em;
  color: var(--cyan);
}
.page-faq .faq-checklist__k::before {
  content: "▸ ";
  color: var(--orange);
}
.page-faq .faq-checklist__v {
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--mist);
}
.page-faq .faq-contact .prose {
  max-width: 60ch;
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist);
}
.page-faq .faq-channels {
  display: grid;
  gap: 0;
  margin: 0;
  border: 1px solid var(--line);
  background: rgba(6, 11, 20, .5);
}
.page-faq .faq-channels__row {
  display: grid;
  grid-template-columns: minmax(0, 88px) minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
}
.page-faq .faq-channels__row:last-child {
  border-bottom: 0;
}
.page-faq .faq-channels dt {
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--mist);
}
.page-faq .faq-channels dd {
  margin: 0;
  font-size: 13.5px;
  color: var(--term);
  word-break: break-all;
}
.page-faq .faq-contact__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-item__text { font-size: 16.5px; }
  .page-faq .faq-item__a { padding-left: 34px; }
  .page-faq .faq-item__a p { font-size: 15.5px; }
}

@media (min-width: 980px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, .85fr);
    align-items: start;
  }
  .page-faq .faq-hero__aside {
    margin-top: 6px;
  }
  .page-faq .faq-contact {
    grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
    align-items: start;
  }
  .page-faq .faq-item__q {
    padding: 18px 4px;
  }
  .page-faq .faq-item__text { font-size: 17px; }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-dot { animation: none; }
  .page-faq .faq-item__a { animation: none; }
  .page-faq .faq-item__mark { transition: none; }
}
<<<END>>>