.page-faq {
  background: var(--pitch-black);
  color: var(--bone-white);
  padding-bottom: 24px;
}

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

.page-faq .faq-top {
  padding-top: 22px;
}

.page-faq .faq-signal {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 18px;
  padding: 11px 0;
  border-top: 1px solid var(--hair);
  border-bottom: 1px solid var(--hair);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--ash-gray);
}

.page-faq .faq-signal__dot {
  width: 7px;
  height: 7px;
  flex: none;
  background: var(--signal-cyan);
  animation: faq-dot-pulse 1.8s ease-in-out infinite;
}

.page-faq .faq-signal__text {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

@keyframes faq-dot-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-signal__dot { animation: none; }
}

/* ---------- 首屏声明 ---------- */

.page-faq .faq-hero {
  padding: clamp(28px, 5vw, 64px) 0 clamp(26px, 4vw, 48px);
  max-width: 940px;
}

.page-faq .faq-hero__flag {
  display: inline-block;
  margin: 0 0 18px;
  padding: 5px 12px;
  border: 1px solid rgba(47, 243, 224, 0.45);
  color: var(--signal-cyan);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  transform: skewX(-4deg);
}

.page-faq .faq-hero h1 {
  margin: 0 0 22px;
  font-family: var(--font-display);
  font-size: clamp(36px, 6.2vw, 82px);
  font-weight: 800;
  line-height: 0.98;
  letter-spacing: -0.02em;
  color: var(--bone-white);
}

.page-faq .faq-hero__lead {
  margin: 0 0 26px;
  max-width: 62ch;
  font-size: clamp(15px, 1.7vw, 18px);
  line-height: 1.75;
  color: var(--ash-gray);
}

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

/* ---------- 索引 + 问答双栏 ---------- */

.page-faq .faq-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  padding-bottom: 72px;
}

.page-faq .faq-index {
  border-top: 1px solid var(--hair);
  padding-top: 14px;
}

.page-faq .faq-index__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--flare-yellow);
}

.page-faq .faq-index__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 8px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-faq .faq-index__item {
  flex: none;
}

.page-faq .faq-index__link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--hair);
  background: var(--carbon);
  color: var(--bone-white);
  text-decoration: none;
  font-size: 14px;
  white-space: nowrap;
  transition: border-color 0.18s ease, color 0.18s ease, background-color 0.18s ease;
}

.page-faq .faq-index__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--signal-cyan);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  border-color: var(--signal-cyan);
  background: var(--deep-wine);
  color: var(--bone-white);
  outline: none;
}

.page-faq .faq-index__note {
  margin: 6px 0 0;
  font-size: 13px;
  color: var(--ash-gray);
}

/* ---------- 问答流 ---------- */

.page-faq .faq-stream {
  display: flex;
  flex-direction: column;
  gap: 44px;
  min-width: 0;
}

.page-faq .faq-sec {
  scroll-margin-top: 88px;
  border-top: 1px solid var(--hair);
  padding-top: 22px;
}

.page-faq .faq-sec__head {
  margin-bottom: 20px;
}

.page-faq .faq-sec__head h2 {
  margin: 6px 0 10px;
  font-family: var(--font-display);
  font-size: clamp(26px, 3.4vw, 44px);
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: -0.01em;
  color: var(--bone-white);
}

.page-faq .faq-sec__lede {
  margin: 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ash-gray);
}

.page-faq .faq-sec--teal,
.page-faq .faq-sec--indigo {
  padding: clamp(20px, 3.2vw, 38px);
  border-top: 0;
  border-left: 3px solid var(--signal-cyan);
}

.page-faq .faq-sec--teal {
  background: var(--deep-teal);
}

.page-faq .faq-sec--indigo {
  background: var(--indigo-ink);
  border-left-color: var(--milan-red);
}

.page-faq .faq-sec--teal .faq-sec__lede,
.page-faq .faq-sec--indigo .faq-sec__lede {
  color: var(--paper-mist);
}

.page-faq .faq-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* ---------- 手风琴条目 ---------- */

.page-faq .faq-item {
  background: var(--carbon);
  border: 1px solid var(--hair);
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.page-faq .faq-item:hover {
  border-color: rgba(47, 243, 224, 0.45);
}

.page-faq .faq-item[open] {
  border-color: rgba(47, 243, 224, 0.55);
  box-shadow: inset 3px 0 0 var(--flare-yellow);
}

.page-faq .faq-item__sum {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-item__sum:focus-visible {
  outline: 2px solid var(--signal-cyan);
  outline-offset: -2px;
}

.page-faq .faq-item__q {
  flex: 1 1 auto;
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--bone-white);
}

.page-faq .faq-item__sum::after {
  content: "+";
  flex: none;
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1.1;
  color: var(--flare-yellow);
}

.page-faq .faq-item[open] .faq-item__sum::after {
  content: "−";
  color: var(--signal-cyan);
}

.page-faq .faq-item__body {
  padding: 0 18px 18px 18px;
}

.page-faq .faq-item__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ash-gray);
}

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

.page-faq .faq-item__more {
  padding-top: 4px;
}

.page-faq .faq-more {
  display: inline-block;
  color: var(--signal-cyan);
  font-size: 14px;
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 243, 224, 0.35);
  transition: border-color 0.18s ease, color 0.18s ease;
}

.page-faq .faq-more:hover,
.page-faq .faq-more:focus-visible {
  border-bottom-color: var(--flare-yellow);
  color: var(--flare-yellow);
  outline: none;
}

/* ---------- 图文组合 ---------- */

.page-faq .faq-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
}

.page-faq .faq-figure {
  margin: 0;
  border: 1px solid var(--hair);
  background: var(--pitch-black);
}

.page-faq .faq-figure .figure__media {
  overflow: hidden;
}

.page-faq .faq-figure img {
  width: 100%;
  object-fit: cover;
}

.page-faq .faq-figure .figure__caption {
  padding: 12px 16px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--ash-gray);
  border-top: 1px solid var(--hair);
}

.page-faq .faq-flow {
  margin: 22px 0 0;
  border: 1px solid var(--hair);
  background: var(--pitch-black);
}

.page-faq .faq-flow .figure__media {
  overflow: hidden;
}

.page-faq .faq-flow img {
  width: 100%;
  object-fit: cover;
}

.page-faq .faq-flow .figure__caption {
  padding: 12px 16px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--ash-gray);
  border-top: 1px solid var(--hair);
}

/* ---------- 联系卡 ---------- */

.page-faq .faq-contact {
  margin-top: 22px;
  padding: clamp(20px, 3vw, 30px);
  border: 1px solid rgba(233, 255, 63, 0.35);
  background: linear-gradient(158deg, var(--deep-wine) 0%, var(--pitch-black) 78%);
}

.page-faq .faq-contact__title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--bone-white);
}

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

.page-faq .faq-contact__row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  padding: 10px 0;
  border-bottom: 1px solid var(--hair-soft);
}

.page-faq .faq-contact__k {
  min-width: 56px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--flare-yellow);
}

.page-faq .faq-contact__v {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.5;
  color: var(--bone-white);
  word-break: break-word;
}

.page-faq .faq-contact__note {
  margin: 14px 0 18px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ash-gray);
}

/* ---------- 收尾 ---------- */

.page-faq .faq-end {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 4px;
  padding-top: 24px;
  border-top: 1px solid var(--hair);
}

.page-faq .faq-end__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ash-gray);
}

.page-faq .faq-end__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
}

.page-faq .faq-end__top {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ash-gray);
  text-decoration: none;
  border-bottom: 1px solid var(--hair);
  transition: color 0.18s ease, border-color 0.18s ease;
}

.page-faq .faq-end__top:hover,
.page-faq .faq-end__top:focus-visible {
  color: var(--signal-cyan);
  border-bottom-color: var(--signal-cyan);
  outline: none;
}

/* ---------- 桌面布局 ---------- */

@media (min-width: 760px) {
  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.85fr);
    align-items: start;
    gap: 28px;
  }
}

@media (min-width: 980px) {
  .page-faq .faq-body {
    grid-template-columns: 224px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--strip-h) + 24px);
  }

  .page-faq .faq-index__list {
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
    border-left: 1px solid var(--hair);
  }

  .page-faq .faq-index__item {
    flex: 0 0 auto;
  }

  .page-faq .faq-index__link {
    border: 0;
    border-left: 3px solid transparent;
    background: transparent;
    padding: 9px 0 9px 14px;
    white-space: normal;
    font-size: 15px;
  }

  .page-faq .faq-index__link:hover,
  .page-faq .faq-index__link:focus-visible {
    border-left-color: var(--signal-cyan);
    background: var(--deep-wine);
    padding-left: 14px;
  }

  .page-faq .faq-index__note {
    padding-left: 14px;
  }

  .page-faq .faq-stream {
    gap: 56px;
  }

  .page-faq .faq-sec--teal,
  .page-faq .faq-sec--indigo {
    padding: clamp(26px, 3vw, 40px);
  }

  .page-faq .faq-end {
    margin-top: 8px;
  }
}
<<<END>>>