.page-faq {
  --faq-tone-mint: rgba(191, 227, 224, .34);
  --faq-tone-sand: rgba(231, 217, 196, .46);
  --faq-tone-peach: rgba(255, 214, 199, .40);
  --faq-sticky-top: 6.5rem;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding-block: clamp(1.5rem, 4vw, 2.5rem) clamp(1.75rem, 5vw, 3rem);
  background:
    radial-gradient(900px 380px at 82% -12%, rgba(191, 227, 224, .55), transparent 70%),
    radial-gradient(680px 320px at 4% 6%, rgba(231, 217, 196, .58), transparent 74%);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, var(--line-soft) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line-soft) 1px, transparent 1px);
  background-size: 62px 62px;
  opacity: .5;
  -webkit-mask-image: radial-gradient(640px 340px at 68% 18%, #000 0%, transparent 78%);
  mask-image: radial-gradient(640px 340px at 68% 18%, #000 0%, transparent 78%);
}

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

.page-faq .faq-hero-grid {
  display: grid;
  gap: 1.75rem;
  margin-top: clamp(1.25rem, 3vw, 2rem);
}

.page-faq .faq-hero-main h1 {
  margin: .5rem 0 0;
  font-size: clamp(2rem, 7.2vw, 3.5rem);
  line-height: 1.12;
  letter-spacing: -.03em;
  color: var(--indigo);
  font-weight: 800;
  max-width: 16ch;
}

.page-faq .faq-lede {
  margin: 1rem 0 0;
  max-width: 38rem;
  font-size: clamp(.95rem, 2.2vw, 1.05rem);
  line-height: 1.8;
  color: var(--ink);
  opacity: .86;
}

.page-faq .faq-hero-stats {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem clamp(1.25rem, 4vw, 2.75rem);
  margin: 1.6rem 0 0;
  padding: 1.1rem 0 0;
  border-top: 1px solid var(--line);
}

.page-faq .faq-hero-stats li {
  display: flex;
  flex-direction: column;
  gap: .2rem;
}

.page-faq .faq-stat-num {
  font-family: var(--font-mono);
  font-size: clamp(1.35rem, 3vw, 1.7rem);
  font-weight: 700;
  letter-spacing: -.03em;
  color: var(--indigo);
  line-height: 1;
}

.page-faq .faq-stat-label {
  font-size: .78rem;
  color: var(--cold);
  letter-spacing: .02em;
}

/* 检索面板 */
.page-faq .faq-quickfind {
  position: relative;
  overflow: hidden;
  padding: clamp(1.25rem, 3.4vw, 1.9rem);
  border-radius: var(--r-lg);
  background: linear-gradient(155deg, var(--indigo) 0%, var(--indigo-deep) 82%);
  color: var(--moon);
  box-shadow: var(--shadow-panel);
}

.page-faq .faq-quickfind::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    90deg,
    rgba(244, 241, 232, .09) 0 1px,
    transparent 1px 34px
  );
  opacity: .65;
}

.page-faq .faq-quickfind > * {
  position: relative;
  z-index: 1;
}

.page-faq .faq-quickfind-title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .82rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--mint);
}

.page-faq .faq-quickfind-note {
  margin: .7rem 0 0;
  font-size: .9rem;
  line-height: 1.75;
  color: rgba(244, 241, 232, .78);
}

.page-faq .faq-tagcloud {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin: 1.1rem 0 0;
  padding: 0;
}

.page-faq .faq-tagcloud a {
  display: inline-block;
  padding: .42rem .9rem;
  border-radius: var(--r-pill);
  border: 1px solid rgba(244, 241, 232, .3);
  color: var(--moon);
  font-size: .85rem;
  text-decoration: none;
  transition: background-color .2s var(--ease), border-color .2s var(--ease),
    color .2s var(--ease), transform .2s var(--ease);
}

.page-faq .faq-tagcloud a:hover,
.page-faq .faq-tagcloud a:focus-visible {
  background: var(--mint);
  border-color: var(--mint);
  color: var(--indigo);
  transform: translateY(-1px);
}

/* ---------- 热门索引 ---------- */
.page-faq .faq-hot {
  background: linear-gradient(
    180deg,
    rgba(231, 217, 196, 0) 0%,
    rgba(231, 217, 196, .52) 22%,
    rgba(231, 217, 196, .52) 78%,
    rgba(231, 217, 196, 0) 100%
  );
}

.page-faq .faq-section-head h2 {
  margin: .5rem 0 0;
  font-size: clamp(1.35rem, 4vw, 1.9rem);
  line-height: 1.3;
  letter-spacing: -.02em;
  color: var(--indigo);
  font-weight: 800;
}

.page-faq .faq-section-note {
  margin: .6rem 0 0;
  font-size: .9rem;
  color: var(--cold);
}

.page-faq .faq-hot-grid {
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: .75rem;
  margin: 1.5rem 0 0;
  padding: 0;
}

.page-faq .faq-hot-card {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: .8rem;
  min-height: 88px;
  padding: 1rem 1.1rem;
  border-radius: var(--r-md);
  border: 1px solid var(--line-soft);
  background: var(--moon);
  color: var(--ink);
  text-decoration: none;
  transition: transform .22s var(--ease), box-shadow .22s var(--ease),
    border-color .22s var(--ease);
}

.page-faq .faq-hot-card:hover,
.page-faq .faq-hot-card:focus-visible {
  transform: translateY(-2px);
  border-color: var(--orange);
  box-shadow: var(--shadow-float);
}

.page-faq .faq-hot-num {
  font-family: var(--font-mono);
  font-size: .8rem;
  font-weight: 700;
  color: var(--orange);
  letter-spacing: .06em;
}

.page-faq .faq-hot-q {
  font-size: .97rem;
  line-height: 1.55;
  color: var(--indigo);
  font-weight: 600;
}

.page-faq .faq-hot-go {
  font-family: var(--font-mono);
  color: var(--cold);
  font-size: 1rem;
}

/* ---------- 主体双栏 ---------- */
.page-faq .faq-body {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.75rem);
  align-items: start;
  padding-block: clamp(1.5rem, 4vw, 2.5rem);
}

.page-faq .faq-index {
  display: grid;
  gap: 1rem;
}

.page-faq .faq-index-card {
  padding: clamp(1rem, 2.6vw, 1.4rem);
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: rgba(244, 241, 232, .78);
}

.page-faq .faq-index-title {
  margin: 0 0 .8rem;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--cold);
}

.page-faq .faq-index-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: .35rem;
  margin: 0;
  padding: 0;
}

.page-faq .faq-index-link {
  display: block;
  padding: .48rem .85rem;
  border-radius: var(--r-pill);
  border: 1px solid transparent;
  color: var(--indigo);
  font-size: .89rem;
  text-decoration: none;
  transition: background-color .2s var(--ease), color .2s var(--ease),
    border-color .2s var(--ease);
}

.page-faq .faq-index-link:hover,
.page-faq .faq-index-link:focus-visible {
  background: rgba(23, 42, 90, .07);
}

.page-faq .faq-index-link.is-active {
  background: var(--indigo);
  border-color: var(--indigo);
  color: var(--moon);
}

/* 图片 */
.page-faq .faq-figure {
  margin: 0;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  border-radius: var(--r-md);
  border: 1px solid var(--line-soft);
  object-fit: cover;
  background: var(--sand);
}

.page-faq .faq-figure figcaption {
  margin-top: .6rem;
  font-size: .78rem;
  line-height: 1.6;
  color: var(--cold);
}

.page-faq .faq-figure--version {
  margin: 1.1rem 0 1.4rem;
}

.page-faq .faq-figure--version img {
  max-height: 300px;
}

/* ---------- 问题分类 ---------- */
.page-faq .faq-stream {
  display: grid;
  gap: clamp(1rem, 2.6vw, 1.6rem);
  min-width: 0;
}

.page-faq .faq-topic {
  padding: clamp(1.1rem, 3vw, 1.9rem);
  border-radius: var(--r-lg);
  border: 1px solid var(--line-soft);
  scroll-margin-top: clamp(5rem, 12vw, 7rem);
}

.page-faq .faq-topic--mint {
  background: var(--faq-tone-mint);
}

.page-faq .faq-topic--sand {
  background: var(--faq-tone-sand);
}

.page-faq .faq-topic--peach {
  background: var(--faq-tone-peach);
}

.page-faq .faq-topic--contact {
  background: linear-gradient(160deg, rgba(191, 227, 224, .34), rgba(231, 217, 196, .5));
}

.page-faq .faq-topic-head {
  margin-bottom: 1rem;
}

.page-faq .faq-topic-kicker {
  display: flex;
  align-items: center;
  gap: .6rem;
  margin: 0;
  font-size: .82rem;
  letter-spacing: .1em;
  color: var(--indigo);
  opacity: .72;
}

.page-faq .faq-topic-kicker .mono {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--orange);
  opacity: 1;
}

.page-faq .faq-topic-title {
  margin: .55rem 0 0;
  font-size: clamp(1.2rem, 3.4vw, 1.55rem);
  line-height: 1.35;
  letter-spacing: -.02em;
  color: var(--indigo);
  font-weight: 800;
}

.page-faq .faq-topic-desc {
  margin: .55rem 0 0;
  max-width: 40rem;
  font-size: .93rem;
  line-height: 1.75;
  color: var(--ink);
  opacity: .82;
}

/* ---------- 手风琴 ---------- */
.page-faq .qa-item {
  border-top: 1px solid rgba(23, 42, 90, .14);
}

.page-faq .qa-item:last-child {
  border-bottom: 1px solid rgba(23, 42, 90, .14);
}

.page-faq .qa-summary {
  display: flex;
  align-items: baseline;
  gap: .75rem;
  padding: .95rem .15rem;
  cursor: pointer;
  list-style: none;
  font-size: .98rem;
  font-weight: 600;
  line-height: 1.6;
  color: var(--indigo);
  transition: color .18s var(--ease);
}

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

.page-faq .qa-summary:hover,
.page-faq .qa-summary:focus-visible {
  color: var(--teal);
}

.page-faq .qa-summary::after {
  content: "+";
  margin-left: auto;
  flex: none;
  font-family: var(--font-mono);
  font-size: 1.2rem;
  line-height: 1;
  color: var(--orange);
  transition: transform .2s var(--ease);
}

.page-faq .qa-item[open] .qa-summary::after {
  content: "−";
}

.page-faq .qa-body {
  padding: 0 .15rem 1.15rem;
  max-width: 44rem;
}

.page-faq .qa-body p {
  margin: 0 0 .7rem;
  font-size: .93rem;
  line-height: 1.85;
  color: var(--ink);
  opacity: .88;
}

.page-faq .qa-body p:last-child {
  margin-bottom: 0;
}

.page-faq .qa-link {
  color: var(--teal);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 111, 115, .4);
  padding-bottom: 1px;
}

.page-faq .qa-link:hover,
.page-faq .qa-link:focus-visible {
  color: var(--orange);
  border-color: var(--orange);
}

.page-faq .qa-bullets {
  list-style: none;
  display: grid;
  gap: .6rem;
  margin: 0;
  padding: 0;
}

.page-faq .qa-bullets li {
  position: relative;
  padding-left: 1.1rem;
  font-size: .93rem;
  line-height: 1.8;
  color: var(--ink);
  opacity: .88;
}

.page-faq .qa-bullets li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--orange);
}

.page-faq .qa-steps {
  list-style: none;
  counter-reset: qa-step;
  display: grid;
  gap: .65rem;
  margin: 0;
  padding: 0;
}

.page-faq .qa-steps li {
  counter-increment: qa-step;
  display: grid;
  grid-template-columns: 1.85rem minmax(0, 1fr);
  gap: .5rem;
  align-items: start;
  font-size: .93rem;
  line-height: 1.8;
  color: var(--ink);
  opacity: .88;
}

.page-faq .qa-steps li::before {
  content: counter(qa-step, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: .78rem;
  font-weight: 700;
  color: var(--teal);
  padding-top: .28rem;
}

.page-faq .qa-status {
  list-style: none;
  display: grid;
  gap: .6rem;
  margin: 0;
  padding: 0;
}

.page-faq .qa-status li {
  display: grid;
  grid-template-columns: 5.6rem minmax(0, 1fr);
  gap: .7rem;
  align-items: start;
  font-size: .92rem;
  line-height: 1.75;
  color: var(--ink);
  opacity: .88;
}

/* ---------- 联络卡片 ---------- */
.page-faq .faq-contact-card {
  display: grid;
  gap: 1rem;
  padding: clamp(1.1rem, 3vw, 1.7rem);
  border-radius: var(--r-lg);
  background: var(--moon);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-float);
}

.page-faq .faq-contact-grid {
  display: grid;
  gap: .85rem;
}

.page-faq .faq-contact-row {
  display: grid;
  gap: .15rem;
  padding-bottom: .85rem;
  border-bottom: 1px dashed var(--mist);
}

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

.page-faq .faq-contact-key {
  font-size: .78rem;
  letter-spacing: .1em;
  color: var(--cold);
}

.page-faq .faq-contact-val {
  font-size: .95rem;
  line-height: 1.7;
  color: var(--ink);
  word-break: break-word;
}

.page-faq .faq-contact-val.mono {
  font-family: var(--font-mono);
  color: var(--indigo);
  letter-spacing: .01em;
}

.page-faq .faq-contact-tip {
  margin: 0;
  padding: .85rem 1rem;
  border-radius: var(--r-sm);
  background: rgba(191, 227, 224, .42);
  font-size: .88rem;
  line-height: 1.75;
  color: var(--ink);
}

.page-faq .faq-contact-card .btn {
  justify-self: start;
}

/* ---------- 断点 ---------- */
@media (min-width: 620px) {
  .page-faq .faq-hot-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-contact-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: .9rem 1.5rem;
  }

  .page-faq .faq-contact-row:nth-last-child(2) {
    border-bottom: 0;
    padding-bottom: 0;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, .85fr);
    align-items: start;
    gap: 2.5rem;
  }

  .page-faq .faq-hot-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 980px) {
  .page-faq .faq-body {
    grid-template-columns: minmax(0, 300px) minmax(0, 1fr);
  }

  .page-faq .faq-index {
    position: sticky;
    top: var(--faq-sticky-top);
  }

  .page-faq .faq-index-list {
    display: grid;
    gap: .15rem;
  }

  .page-faq .faq-index-list li {
    width: 100%;
  }

  .page-faq .faq-index-link {
    padding: .52rem .9rem;
  }
}

@media (max-width: 520px) {
  .page-faq .qa-status li {
    grid-template-columns: minmax(0, 1fr);
    gap: .25rem;
  }

  .page-faq .qa-steps li {
    grid-template-columns: 1.6rem minmax(0, 1fr);
  }

  .page-faq .faq-hero-stats {
    gap: .9rem 1.4rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-hot-card,
  .page-faq .faq-tagcloud a,
  .page-faq .qa-summary::after,
  .page-faq .qa-summary {
    transition: none;
  }

  .page-faq .faq-hot-card:hover,
  .page-faq .faq-hot-card:focus-visible,
  .page-faq .faq-tagcloud a:hover,
  .page-faq .faq-tagcloud a:focus-visible {
    transform: none;
  }
}
<<<END>>>