.page-faq {
  display: block;
  padding-bottom: 40px;
}

.page-faq a:focus-visible,
.page-faq button:focus-visible,
.page-faq summary:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: 6px 0 46px;
}

.page-faq .faq-kicker {
  margin: 20px 0 14px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--lime);
}

.page-faq .faq-hero h1 {
  margin: 0 0 20px;
  max-width: 22em;
  font-size: clamp(32px, 6.2vw, 60px);
  line-height: 1.08;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-faq .faq-lead {
  margin: 0;
  max-width: 64ch;
  font-size: 17px;
  line-height: 1.85;
  color: var(--mist);
}

.page-faq .faq-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 30px;
}

.page-faq .faq-stat {
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(158deg, rgba(18, 58, 46, .92), rgba(14, 42, 34, .6));
}

.page-faq .faq-stat-num {
  display: block;
  font-family: var(--font-num);
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--amber);
}

.page-faq .faq-stat-label {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: .05em;
  color: var(--mist);
}

.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}

.page-faq .faq-jump a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border: 1px solid var(--line-strong);
  border-radius: var(--pill);
  background: rgba(18, 58, 46, .42);
  color: var(--paper);
  font-size: 13px;
  letter-spacing: .04em;
  text-decoration: none;
  transition: border-color .18s ease, color .18s ease, background .18s ease;
}

.page-faq .faq-jump a:hover {
  border-color: var(--lime);
  color: var(--lime);
  background: rgba(198, 242, 78, .08);
}

.page-faq .faq-jump-num {
  font-family: var(--font-num);
  font-size: 12px;
  color: var(--lime);
}

/* ---------- 主体框架 ---------- */
.page-faq .faq-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 40px;
  align-items: start;
  padding-bottom: 72px;
}

.page-faq .faq-body {
  min-width: 0;
}

/* ---------- 01 步骤 ---------- */
.page-faq .login-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  margin-top: 26px;
}

.page-faq .faq-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-faq .faq-step {
  position: relative;
  padding: 18px 20px 18px 62px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(150deg, rgba(18, 58, 46, .82), rgba(14, 42, 34, .72));
}

.page-faq .faq-step-num {
  position: absolute;
  left: 16px;
  top: 18px;
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: var(--pill);
  background: var(--lime);
  color: var(--ink);
  font-family: var(--font-num);
  font-size: 15px;
  font-weight: 700;
}

.page-faq .faq-step-title {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper);
}

.page-faq .faq-step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-step:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 31px;
  top: 58px;
  bottom: -18px;
  border-left: 1px dashed var(--line-lime);
}

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

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

.page-faq .faq-figure--wide {
  margin-top: 26px;
}

.page-faq .faq-figure .img-frame__caption {
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: .04em;
  color: var(--mist);
}

/* ---------- 02 筛选与清单 ---------- */
.page-faq .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 24px 0 20px;
}

.page-faq .filter-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border: 1px solid var(--line-strong);
  border-radius: var(--pill);
  background: transparent;
  color: var(--mist);
  font-size: 13px;
  letter-spacing: .04em;
  cursor: pointer;
  transition: background .18s ease, color .18s ease, border-color .18s ease;
}

.page-faq .filter-btn:hover {
  border-color: var(--lime);
  color: var(--paper);
}

.page-faq .filter-btn[aria-pressed="true"] {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--ink);
}

.page-faq .filter-count {
  font-family: var(--font-num);
  font-size: 12px;
  opacity: .8;
}

.page-faq .sync-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-faq .sync-item {
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--field);
}

.page-faq .sync-item h3 {
  margin: 12px 0 8px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper);
}

.page-faq .sync-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--mist);
}

/* ---------- 问答列表 ---------- */
.page-faq .qa-list {
  display: grid;
  gap: 12px;
  margin-top: 26px;
}

.page-faq .faq-qa-list--account {
  margin-top: 24px;
}

.page-faq .qa {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--field);
  overflow: hidden;
  transition: background .2s ease, border-color .2s ease;
}

.page-faq .qa[open] {
  background: var(--stand);
  border-color: var(--line-lime);
}

.page-faq .qa summary {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .qa-num {
  flex: 0 0 auto;
  padding-top: 3px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--amber);
}

.page-faq .qa-q {
  flex: 1 1 auto;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.62;
  color: var(--paper);
}

.page-faq .qa-mark {
  flex: 0 0 auto;
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: var(--pill);
  color: var(--lime);
}

.page-faq .qa-mark::before {
  content: "+";
  font-family: var(--font-num);
  font-size: 15px;
  line-height: 1;
}

.page-faq .qa[open] .qa-mark {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--ink);
}

.page-faq .qa[open] .qa-mark::before {
  content: "\2013";
}

.page-faq .qa-a {
  padding: 0 18px 18px 52px;
}

.page-faq .qa-a p {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

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

.page-faq .qa-a a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid var(--line-lime);
}

.page-faq .qa-a a:hover {
  border-bottom-color: var(--lime);
}

/* ---------- 05 联系 ---------- */
.page-faq .contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin-top: 26px;
}

.page-faq .contact-card {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--field);
}

.page-faq .contact-card:nth-child(2) {
  border-color: var(--line-lime);
}

.page-faq .contact-label {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--mist);
}

.page-faq .contact-value {
  margin: 0 0 12px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--amber);
}

.page-faq .contact-value--sm {
  font-size: 15px;
  font-weight: 600;
  color: var(--paper);
}

.page-faq .contact-value a {
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid rgba(242, 169, 59, .42);
}

.page-faq .contact-value a:hover {
  border-bottom-color: var(--amber);
}

.page-faq .contact-note {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--mist);
}

.page-faq .faq-service-tail {
  margin: 24px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--mist);
}

.page-faq .faq-service-tail a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid var(--line-lime);
}

.page-faq .faq-service-tail a:hover {
  border-bottom-color: var(--lime);
}

/* ---------- 侧栏目录 ---------- */
.page-faq .faq-rail {
  display: grid;
  gap: 18px;
  align-content: start;
}

.page-faq .faq-rail-title {
  margin: 0;
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--lime);
}

.page-faq .faq-toc {
  display: grid;
  gap: 4px;
  padding-left: 14px;
  border-left: 1px dashed var(--line-strong);
}

.page-faq .faq-toc a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  line-height: 1.55;
  color: var(--mist);
  text-decoration: none;
  transition: background .18s ease, color .18s ease;
}

.page-faq .faq-toc a:hover {
  background: var(--stand);
  color: var(--paper);
}

.page-faq .faq-toc-num {
  flex: 0 0 auto;
  font-family: var(--font-num);
  font-size: 12px;
  color: var(--lime);
}

.page-faq .faq-rail-card {
  padding: 18px;
  border: 1px solid var(--line-lime);
  border-radius: var(--radius);
  background: linear-gradient(150deg, rgba(198, 242, 78, .1), rgba(7, 19, 15, .28));
}

.page-faq .faq-rail-card--amber {
  border-color: rgba(242, 169, 59, .4);
  background: linear-gradient(150deg, rgba(242, 169, 59, .12), rgba(7, 19, 15, .28));
}

.page-faq .faq-rail-card-title {
  margin: 0 0 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--paper);
}

.page-faq .faq-rail-card p {
  margin: 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 断点 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .sync-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 860px) {
  .page-faq .login-split {
    grid-template-columns: 7fr 5fr;
    align-items: start;
    gap: 32px;
  }

  .page-faq .faq-figure {
    position: sticky;
    top: 104px;
  }

  .page-faq .qa-a {
    padding-left: 60px;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-shell {
    grid-template-columns: minmax(0, 1fr) 292px;
    gap: 60px;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: 104px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-jump a,
  .page-faq .filter-btn,
  .page-faq .qa,
  .page-faq .faq-toc a {
    transition: none;
  }
}
<<<END>>>