.page-faq {
  --faq-hair: rgba(122, 140, 166, .34);
  --faq-cyan-soft: rgba(0, 230, 195, .12);
  --faq-index-w: 208px;
  padding-top: var(--wm-header-offset);
  padding-bottom: 88px;
  background: var(--wm-abyss);
  color: var(--wm-paper);
  font-family: var(--wm-font-body);
  overflow-x: clip;
}

/* ---------- 首屏说明 ---------- */
.page-faq .faq-head {
  border-left: 4px solid var(--wm-cyan);
  padding: 2px 0 2px 20px;
  margin-bottom: 42px;
}

.page-faq .faq-head h1 {
  font-family: var(--wm-font-display);
  font-weight: 800;
  font-size: clamp(1.9rem, 7vw, 3.4rem);
  line-height: 1.05;
  letter-spacing: .01em;
  margin: 10px 0 16px;
  max-width: 24ch;
  color: var(--wm-paper);
}

.page-faq .faq-lead {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--wm-body-dim);
  max-width: 58ch;
  margin: 0 0 24px;
}

.page-faq .faq-head__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

/* ---------- 筛选条 ---------- */
.page-faq .faq-filterwrap {
  background: var(--wm-void);
  border-top: 2px solid var(--wm-steel);
  border-bottom: 2px solid var(--wm-steel);
  padding: 16px 0;
  margin-bottom: 46px;
}

.page-faq .faq-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .faq-filter .wm-filter__btn {
  font-family: var(--wm-font-mono);
  font-size: .76rem;
  letter-spacing: .1em;
  padding: 8px 14px;
}

/* ---------- 左索引 + 右问答 ---------- */
.page-faq .faq-frame {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
}

.page-faq .faq-index__title {
  font-family: var(--wm-font-mono);
  font-size: .72rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--wm-mist);
  margin: 0 0 12px;
}

.page-faq .faq-index__list {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--faq-hair);
  scrollbar-width: none;
}

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

.page-faq .faq-index__link {
  flex: 0 0 auto;
  font-size: .82rem;
  line-height: 1.2;
  padding: 8px 12px;
  border: 1px solid var(--faq-hair);
  color: var(--wm-body-dim);
  text-decoration: none;
  white-space: nowrap;
  transition: border-color .18s var(--wm-ease), color .18s var(--wm-ease), background-color .18s var(--wm-ease);
}

.page-faq .faq-index__link:hover {
  border-color: var(--wm-cyan);
  color: var(--wm-paper);
}

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

.page-faq .faq-index__link.is-active,
.page-faq .faq-index__link[aria-current] {
  border-color: var(--wm-cyan);
  color: var(--wm-cyan);
  background: var(--faq-cyan-soft);
}

/* ---------- 章节 ---------- */
.page-faq .faq-sec {
  padding-bottom: 42px;
  margin-bottom: 42px;
  border-bottom: 2px solid var(--wm-steel);
  scroll-margin-top: calc(var(--wm-header-offset) + 24px);
}

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

.page-faq .faq-sec__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 14px;
}

.page-faq .faq-sec__no {
  font-family: var(--wm-font-mono);
  font-size: .82rem;
  letter-spacing: .12em;
  color: var(--wm-cyan);
  flex: 0 0 auto;
}

.page-faq .faq-sec h2 {
  font-family: var(--wm-font-display);
  font-weight: 800;
  font-size: clamp(1.35rem, 4.6vw, 2rem);
  line-height: 1.15;
  margin: 0;
  color: var(--wm-paper);
}

.page-faq .faq-text {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--wm-body-dim);
  max-width: 62ch;
  margin: 0 0 24px;
}

.page-faq .faq-text--tail {
  margin: 22px 0 0;
  padding-left: 16px;
  border-left: 3px solid var(--wm-amber);
}

/* ---------- 上手步骤 ---------- */
.page-faq .faq-steps {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-step {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 12px;
  padding: 20px 0 22px;
  border-top: 1px solid var(--faq-hair);
}

.page-faq .faq-step:first-child {
  border-top: 2px solid var(--wm-steel);
}

.page-faq .faq-step__no {
  font-family: var(--wm-font-mono);
  font-size: 1.6rem;
  line-height: 1;
  color: var(--wm-amber);
}

.page-faq .faq-step h3 {
  font-family: var(--wm-font-display);
  font-size: 1.14rem;
  font-weight: 700;
  letter-spacing: .01em;
  margin: 0 0 8px;
  color: var(--wm-paper);
}

.page-faq .faq-step p {
  margin: 0 0 12px;
  font-size: .95rem;
  line-height: 1.78;
  color: var(--wm-body-dim);
}

.page-faq .faq-step__check {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--wm-font-mono);
  font-size: .74rem;
  letter-spacing: .08em;
  color: var(--wm-mist);
  cursor: pointer;
}

.page-faq .faq-step__check input {
  width: 15px;
  height: 15px;
  accent-color: var(--wm-cyan);
}

.page-faq .faq-step__check input:focus-visible {
  outline: 2px solid var(--wm-cyan);
  outline-offset: 2px;
}

.page-faq .faq-step__check input:checked + span {
  color: var(--wm-cyan);
  text-decoration: line-through;
}

/* ---------- 图文块 ---------- */
.page-faq .faq-media {
  margin: 0 0 28px;
  border: 3px solid var(--wm-steel);
  background: var(--wm-void);
  box-shadow: var(--wm-shadow-hard);
}

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

.page-faq .faq-media figcaption {
  font-family: var(--wm-font-mono);
  font-size: .72rem;
  letter-spacing: .1em;
  color: var(--wm-mist);
  padding: 10px 14px;
  border-top: 1px solid var(--faq-hair);
}

/* ---------- 问答条目 ---------- */
.page-faq .faq-list {
  display: block;
}

.page-faq .faq-q {
  border: 0;
  border-left: 3px solid var(--wm-steel);
  margin: 0 0 14px;
  padding: 0 0 0 16px;
  transition: border-color .18s var(--wm-ease);
}

.page-faq .faq-q:last-child { margin-bottom: 0; }

.page-faq .faq-q[open] {
  border-left-color: var(--wm-cyan);
}

.page-faq .faq-q summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  list-style: none;
  cursor: pointer;
  padding: 10px 0;
  font-size: 1.02rem;
  font-weight: 600;
  line-height: 1.55;
  color: var(--wm-paper);
  transition: color .18s var(--wm-ease);
}

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

.page-faq .faq-q summary::before {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--wm-font-mono);
  font-size: 1.05rem;
  line-height: 1.5;
  color: var(--wm-cyan);
}

.page-faq .faq-q[open] summary::before {
  content: "−";
}

.page-faq .faq-q summary:hover {
  color: var(--wm-cyan);
}

.page-faq .faq-q summary:focus-visible {
  outline: 2px solid var(--wm-cyan);
  outline-offset: 3px;
}

.page-faq .faq-q__body {
  background: var(--wm-cream);
  color: var(--wm-ink);
  border-left: 4px solid var(--wm-gold);
  padding: 16px 18px;
  margin: 0 0 12px;
}

.page-faq .faq-q__body p {
  margin: 0;
  font-size: .95rem;
  line-height: 1.78;
  color: var(--wm-ink);
}

/* ---------- 联系区块 ---------- */
.page-faq .faq-contact {
  border: 3px solid var(--wm-cyan);
  background: var(--wm-void);
  padding: 26px 22px 24px;
  box-shadow: var(--wm-shadow-hard);
}

.page-faq .faq-contact p {
  margin: 0 0 16px;
  font-size: .98rem;
  line-height: 1.8;
  color: var(--wm-body-dim);
  max-width: 58ch;
}

.page-faq .faq-contact ul {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-contact li {
  position: relative;
  padding-left: 20px;
  font-size: .92rem;
  line-height: 1.7;
  color: var(--wm-body-dim);
}

.page-faq .faq-contact li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 7px;
  height: 7px;
  background: var(--wm-amber);
}

.page-faq .faq-contact__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}

.page-faq .faq-contact__link {
  font-family: var(--wm-font-mono);
  font-size: .8rem;
  letter-spacing: .06em;
  color: var(--wm-cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .18s var(--wm-ease);
}

.page-faq .faq-contact__link:hover {
  border-bottom-color: var(--wm-cyan);
}

.page-faq .faq-contact__link:focus-visible {
  outline: 2px solid var(--wm-cyan);
  outline-offset: 3px;
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-step {
    grid-template-columns: 56px minmax(0, 1fr);
    gap: 18px;
    padding: 24px 0 26px;
  }

  .page-faq .faq-step__no { font-size: 2rem; }

  .page-faq .faq-q summary { font-size: 1.08rem; }

  .page-faq .faq-q__body { padding: 18px 22px; }
}

@media (min-width: 960px) {
  .page-faq .faq-frame {
    grid-template-columns: var(--faq-index-w) minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--wm-header-offset) + 26px);
  }

  .page-faq .faq-index__list {
    display: block;
    overflow: visible;
    border-bottom: 0;
    border-left: 1px solid var(--faq-hair);
    padding-bottom: 0;
    margin-left: -1px;
  }

  .page-faq .faq-index__link {
    display: block;
    border: 0;
    border-left: 2px solid transparent;
    padding: 10px 10px 10px 14px;
    white-space: normal;
    background: none;
  }

  .page-faq .faq-index__link.is-active,
  .page-faq .faq-index__link[aria-current] {
    border-left-color: var(--wm-cyan);
    border-top: 0;
    border-right: 0;
    border-bottom: 0;
    background: linear-gradient(90deg, var(--faq-cyan-soft), transparent 82%);
    color: var(--wm-cyan);
  }

  .page-faq .faq-sec {
    padding-bottom: 52px;
    margin-bottom: 52px;
  }

  .page-faq .faq-media { margin-bottom: 34px; }
}

@media (min-width: 1200px) {
  .page-faq { --faq-index-w: 232px; }

  .page-faq .faq-head {
    padding-left: 24px;
    margin-bottom: 52px;
  }

  .page-faq .faq-filterwrap { margin-bottom: 56px; }
}

/* ---------- 减少动态效果 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index__link,
  .page-faq .faq-q,
  .page-faq .faq-q summary,
  .page-faq .faq-contact__link {
    transition: none;
  }
}
</final>