.page-faq {
  --faq-pad: clamp(16px, 3vw, 22px);
  background: var(--ink);
  color: var(--white);
  font-family: var(--font-sans);
}

/* ---------- 页首 ---------- */
.page-faq .faq-masthead {
  position: relative;
  overflow: hidden;
  padding: clamp(18px, 4vw, 28px) 0 clamp(30px, 5vw, 54px);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(760px 340px at 88% -12%, rgba(53, 230, 255, .18), transparent 68%),
    radial-gradient(520px 280px at -6% 108%, rgba(242, 193, 92, .12), transparent 70%),
    var(--ink);
}

.page-faq .faq-masthead::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .45;
  background-image:
    linear-gradient(to right, rgba(34, 58, 94, .6) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(34, 58, 94, .6) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: radial-gradient(circle at 72% 18%, #000 8%, transparent 76%);
  mask-image: radial-gradient(circle at 72% 18%, #000 8%, transparent 76%);
}

.page-faq .faq-masthead > .container {
  position: relative;
  z-index: 1;
}

.page-faq .faq-masthead-grid {
  display: grid;
  gap: clamp(20px, 4vw, 34px);
  margin-top: clamp(14px, 3vw, 24px);
}

.page-faq .faq-h1 {
  margin: 0;
  font-size: clamp(27px, 5.4vw, 45px);
  line-height: 1.17;
  letter-spacing: -.02em;
  font-weight: 900;
  color: var(--white);
}

.page-faq .faq-lead {
  max-width: 56ch;
  margin: 14px 0 0;
  font-size: clamp(15px, 1.8vw, 17px);
  line-height: 1.82;
  color: var(--slate);
}

.page-faq .faq-masthead-figure {
  margin: 0;
  border-radius: var(--radius);
  border: 1px solid rgba(53, 230, 255, .22);
  overflow: hidden;
  background: var(--panel);
  box-shadow: var(--shadow-panel);
}

.page-faq .faq-masthead-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

/* ---------- 主题跳转条 ---------- */
.page-faq .faq-jump {
  position: sticky;
  top: var(--header-h);
  z-index: 20;
  border-bottom: 1px solid var(--line);
  background: rgba(11, 23, 48, .92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.page-faq .faq-jump-inner {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-top: 10px;
  padding-bottom: 10px;
}

.page-faq .faq-jump-label {
  flex: 0 0 auto;
  font-size: 11px;
  letter-spacing: .18em;
  font-weight: 700;
  color: var(--slate);
  text-transform: uppercase;
}

.page-faq .faq-jump-list {
  display: flex;
  gap: 6px;
  margin: 0;
  padding: 0 2px 2px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.page-faq .faq-jump-list::-webkit-scrollbar {
  display: none;
}

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

.page-faq .faq-jump-list a {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  padding: 7px 13px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--slate);
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
  text-decoration: none;
  transition: color .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
}

.page-faq .faq-jump-list a:hover,
.page-faq .faq-jump-list a:focus-visible {
  color: var(--white);
  border-color: var(--teal);
  background: rgba(53, 230, 255, .1);
}

.page-faq .faq-jump-num {
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

/* ---------- 分组 ---------- */
.page-faq .faq-group {
  padding-top: clamp(30px, 5.5vw, 56px);
  scroll-margin-top: calc(var(--header-h) + 62px);
}

.page-faq .faq-group-head {
  display: grid;
  gap: 8px;
  padding-bottom: 16px;
  margin-bottom: clamp(16px, 2.6vw, 24px);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-group-tag {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .16em;
  color: var(--gold);
}

.page-faq .faq-group-tag::before {
  content: "";
  width: 20px;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), transparent);
}

.page-faq .faq-group-title {
  margin: 0;
  font-size: clamp(19px, 3vw, 26px);
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: -.01em;
  color: var(--white);
}

.page-faq .faq-group-note {
  margin: 0;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.78;
  color: var(--slate);
}

/* ---------- 问答折叠 ---------- */
.page-faq .faq-item {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: linear-gradient(180deg, rgba(18, 36, 74, .55), rgba(11, 23, 48, .92));
  transition: border-color .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease);
}

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

.page-faq .faq-item[open] {
  border-color: rgba(53, 230, 255, .5);
  box-shadow: 0 0 0 1px rgba(53, 230, 255, .1), var(--shadow-panel);
}

.page-faq .faq-q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px var(--faq-pad);
  cursor: pointer;
  list-style: none;
  font-size: clamp(15px, 1.7vw, 17px);
  font-weight: 700;
  line-height: 1.55;
  color: var(--white);
}

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

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

.page-faq .faq-q-num {
  flex: 0 0 auto;
  padding-top: 3px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .07em;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-q::after {
  content: "";
  flex: 0 0 auto;
  width: 14px;
  height: 14px;
  margin-top: 5px;
  margin-left: auto;
  background:
    linear-gradient(var(--cyan), var(--cyan)) center / 14px 2px no-repeat,
    linear-gradient(var(--cyan), var(--cyan)) center / 2px 14px no-repeat;
  transition: transform .28s var(--ease);
}

.page-faq .faq-item[open] .faq-q::after {
  transform: rotate(45deg);
}

.page-faq .faq-a {
  margin: 0 var(--faq-pad);
  padding: 14px 0 18px;
  max-width: 78ch;
  border-top: 1px solid var(--line);
  font-size: 15px;
  line-height: 1.82;
  color: var(--slate);
}

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

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

.page-faq .faq-item[open] .faq-a {
  animation: faqReveal .3s var(--ease) both;
}

.page-faq .faq-a a,
.page-faq .faq-lead a,
.page-faq .faq-outro a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 230, 255, .38);
}

.page-faq .faq-a a:hover,
.page-faq .faq-lead a:hover,
.page-faq .faq-outro a:hover {
  color: var(--white);
  border-bottom-color: var(--white);
}

/* ---------- 步骤列表 ---------- */
.page-faq .faq-steps {
  counter-reset: faqstep;
  display: grid;
  gap: 10px;
  margin: 12px 0 12px;
  padding: 0;
  list-style: none;
}

.page-faq .faq-steps li {
  position: relative;
  padding-left: 34px;
}

.page-faq .faq-steps li::before {
  counter-increment: faqstep;
  content: counter(faqstep);
  position: absolute;
  left: 0;
  top: 1px;
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 1px solid rgba(53, 230, 255, .42);
  background: rgba(53, 230, 255, .13);
  color: var(--cyan);
  font-size: 12px;
  font-weight: 700;
}

/* ---------- 配图 ---------- */
.page-faq .faq-figure {
  margin: clamp(18px, 3vw, 26px) 0 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--panel);
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 5 / 3;
  object-fit: cover;
}

.page-faq .faq-figure figcaption {
  padding: 10px 16px;
  border-top: 1px solid var(--line);
  background: rgba(5, 10, 22, .55);
  font-size: 13px;
  line-height: 1.6;
  color: var(--slate);
}

/* ---------- 联系卡片 ---------- */
.page-faq .faq-contact-grid {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.page-faq .faq-contact-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px var(--faq-pad);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: linear-gradient(160deg, rgba(18, 36, 74, .85), rgba(11, 23, 48, .96));
}

.page-faq .faq-contact-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .16em;
  color: var(--slate);
}

.page-faq .faq-contact-value {
  font-size: clamp(16px, 2.4vw, 19px);
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--white);
  word-break: break-word;
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-contact-hint {
  font-size: 13px;
  color: var(--slate);
}

.page-faq .copy-btn {
  align-self: flex-start;
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid rgba(53, 230, 255, .45);
  background: rgba(53, 230, 255, .1);
  color: var(--cyan);
  font-family: inherit;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: background .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease);
}

.page-faq .copy-btn:hover,
.page-faq .copy-btn:focus-visible {
  background: rgba(53, 230, 255, .22);
  border-color: var(--cyan);
}

.page-faq .copy-btn[data-copied] {
  color: var(--mint);
  border-color: rgba(91, 224, 181, .55);
  background: rgba(91, 224, 181, .13);
}

/* ---------- 收尾 ---------- */
.page-faq .faq-outro {
  margin-top: clamp(34px, 6vw, 62px);
  padding: clamp(24px, 4vw, 38px) 0 clamp(32px, 5vw, 48px);
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(18, 36, 74, .5), transparent 88%);
}

.page-faq .faq-outro p {
  max-width: 64ch;
  margin: 0;
  font-size: 15px;
  line-height: 1.88;
  color: var(--slate);
}

/* ---------- 动效 ---------- */
@keyframes faqReveal {
  from { opacity: 0; transform: translateY(-5px); }
  to { opacity: 1; transform: none; }
}

/* ---------- 断点 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-contact-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 880px) {
  .page-faq .faq-masthead-grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
    align-items: end;
  }

  .page-faq .faq-group-head {
    grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
    column-gap: 36px;
    row-gap: 6px;
    align-items: end;
  }

  .page-faq .faq-group-tag {
    grid-column: 1 / -1;
  }

  .page-faq .faq-group-title {
    grid-column: 1;
    grid-row: 2;
  }

  .page-faq .faq-group-note {
    grid-column: 2;
    grid-row: 2;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item[open] .faq-a {
    animation: none;
  }

  .page-faq .faq-q::after,
  .page-faq .faq-item,
  .page-faq .copy-btn {
    transition: none;
  }
}
<<<END>>>