.page-faq {
  --faq-soft: rgba(53, 240, 196, 0.08);
  --faq-edge: rgba(53, 240, 196, 0.32);
  --faq-amber-edge: rgba(255, 178, 77, 0.42);
  background: var(--ink);
  color: var(--text);
  overflow-x: hidden;
  padding-bottom: var(--s6);
}

/* ---------- 面包屑 ---------- */
.page-faq .breadcrumbs {
  padding-top: var(--s4);
  margin-bottom: var(--s3);
}
.page-faq .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-data);
  font-size: 12px;
  color: var(--muted);
}
.page-faq .breadcrumbs li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.page-faq .breadcrumbs li + li::before {
  content: "/";
  color: var(--line);
}
.page-faq .breadcrumbs a {
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}
.page-faq .breadcrumbs a:hover,
.page-faq .breadcrumbs a:focus-visible {
  color: var(--cyan);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-bottom: var(--s5);
  border-bottom: 1px solid var(--line);
}
.page-faq .faq-hero__kicker {
  margin: 0 0 var(--s2);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--cyan);
}
.page-faq .faq-hero h1 {
  margin: 0 0 var(--s3);
  max-width: 18ch;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(32px, 7vw, 52px);
  line-height: 1.1;
  letter-spacing: -0.01em;
}
.page-faq .faq-hero__lead {
  margin: 0 0 var(--s3);
  max-width: 62ch;
  font-size: 17px;
  line-height: 1.75;
  color: var(--muted);
}
.page-faq .faq-hero__pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 var(--s4);
  padding: 0;
  list-style: none;
  font-size: 13px;
}
.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0;
}

/* ---------- 问答索引 ---------- */
.page-faq .faq-index {
  padding: var(--s6) 0 var(--s5);
}
.page-faq .faq-index__inner {
  display: grid;
  gap: var(--s4);
}
.page-faq .faq-index__title {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 22px;
}
.page-faq .faq-index__hint {
  margin: 0 0 var(--s3);
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}
.page-faq .faq-index__list {
  display: grid;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-faq .faq-index__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 12px;
  border-left: 2px solid transparent;
  border-radius: var(--r-sm);
  font-size: 14px;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s var(--ease), background 0.2s var(--ease), border-color 0.2s var(--ease);
}
.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  color: var(--text);
  background: var(--panel);
  border-left-color: var(--cyan);
}
.page-faq .faq-index__num {
  flex: none;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

/* ---------- 问答卡片 ---------- */
.page-faq .qa {
  margin-bottom: 12px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  overflow: hidden;
  transition: background 0.25s var(--ease), border-color 0.25s var(--ease);
}
.page-faq .qa:hover {
  border-color: rgba(29, 74, 58, 0.95);
}
.page-faq .qa[open] {
  background: var(--panel-2);
  border-color: var(--faq-edge);
}
.page-faq .qa__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 17px 20px;
  cursor: pointer;
  list-style: none;
}
.page-faq .qa__head::-webkit-details-marker {
  display: none;
}
.page-faq .qa__head:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -3px;
}
.page-faq .qa__num {
  flex: none;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}
.page-faq .qa__q {
  flex: 1 1 auto;
  min-width: 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 18px;
  line-height: 1.45;
  color: var(--text);
}
.page-faq .qa__icon {
  flex: none;
  align-self: center;
  width: 9px;
  height: 9px;
  margin-left: auto;
  border-right: 2px solid var(--muted);
  border-bottom: 2px solid var(--muted);
  transform: rotate(45deg);
  transition: transform 0.25s var(--ease), border-color 0.25s var(--ease);
}
.page-faq .qa[open] .qa__icon {
  transform: rotate(-135deg);
  border-color: var(--cyan);
}
.page-faq .qa__body {
  padding: 0 20px 20px;
  border-top: 1px solid var(--line);
  padding-top: 16px;
  font-size: 16px;
  line-height: 1.75;
  color: var(--muted);
}
.page-faq .qa__body p {
  margin: 0 0 10px;
}
.page-faq .qa__body p:last-child {
  margin-bottom: 0;
}
.page-faq .qa__body strong {
  color: var(--text);
  font-weight: 600;
}
.page-faq .qa__body a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-faq .qa__steps {
  display: grid;
  gap: 8px;
  margin: 0 0 12px;
  padding: 0;
  list-style: none;
}
.page-faq .qa__steps li {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 6px;
  align-items: baseline;
  font-size: 15px;
}
.page-faq .qa__step-num {
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

/* ---------- 宽幅步骤条 ---------- */
.page-faq .faq-flow {
  padding: var(--s6) 0 var(--s7);
  background: var(--ink);
}
.page-faq .faq-flow__media {
  margin: var(--s4) 0 var(--s5);
}
.page-faq .flow-track {
  position: relative;
}
.page-faq .flow-track__svg {
  display: none;
}
.page-faq .flow-steps {
  display: grid;
  gap: var(--s4);
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-faq .flow-steps__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--pill);
  background: var(--ink);
  border: 1px solid var(--line);
  font-size: 13px;
  color: var(--cyan);
  position: relative;
  z-index: 1;
}
.page-faq .flow-steps__item h3 {
  margin: var(--s3) 0 8px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 19px;
}
.page-faq .flow-steps__item p {
  margin: 0;
  max-width: 36ch;
  font-size: 15px;
  line-height: 1.72;
  color: var(--muted);
}

/* ---------- 跟随单队 ---------- */
.page-faq .faq-follow {
  padding: var(--s7) 0;
  background: var(--panel);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.page-faq .faq-follow__inner {
  display: grid;
  gap: var(--s5);
}
.page-faq .step-list {
  display: grid;
  margin: 0 0 var(--s3);
  padding: 0;
  list-style: none;
}
.page-faq .step-list li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding: 14px 0;
  border-top: 1px solid var(--line);
  font-size: 15px;
  line-height: 1.72;
  color: var(--muted);
}
.page-faq .step-list li:last-child {
  border-bottom: 1px solid var(--line);
}
.page-faq .step-list .mono {
  font-size: 12px;
  color: var(--cyan);
}
.page-faq .step-list p {
  margin: 0;
}
.page-faq .faq-follow__note {
  margin: 0;
  padding-left: 14px;
  border-left: 2px solid var(--amber);
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}
.page-faq .faq-follow__note a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-faq .faq-follow__media {
  margin: 0;
}

/* ---------- 数据纠错 ---------- */
.page-faq .faq-fix {
  padding: var(--s7) 0;
}
.page-faq .faq-fix__grid {
  display: grid;
  gap: var(--s3);
  margin-top: var(--s4);
}
.page-faq .faq-fix__card {
  position: relative;
  padding: var(--s4) var(--s3);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  overflow: hidden;
}
.page-faq .faq-fix__card::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), transparent);
  opacity: 0.55;
}
.page-faq .faq-fix__card:nth-child(2)::after {
  background: linear-gradient(90deg, var(--amber), transparent);
}
.page-faq .faq-fix__num {
  display: block;
  margin-bottom: 10px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}
.page-faq .faq-fix__card:nth-child(2) .faq-fix__num {
  color: var(--amber);
}
.page-faq .faq-fix__card h3 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 18px;
}
.page-faq .faq-fix__card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--muted);
}
.page-faq .faq-fix__cta {
  margin: var(--s4) 0 0;
}

/* ---------- 设备与浏览器 ---------- */
.page-faq .faq-device {
  padding: var(--s6) 0 var(--s5);
  border-top: 1px solid var(--line);
}
.page-faq .faq-device__grid {
  display: grid;
  gap: var(--s3);
  margin-top: var(--s4);
}
.page-faq .faq-device__card {
  padding: var(--s3);
}
.page-faq .faq-device__card h3 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 17px;
}
.page-faq .faq-device__card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--muted);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-fix__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--s4);
  }
  .page-faq .faq-fix__card:nth-child(2) {
    margin-top: 28px;
  }
  .page-faq .faq-device__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 820px) {
  .page-faq .flow-track__svg {
    display: block;
    position: absolute;
    top: 16px;
    left: 0;
    width: 100%;
    height: 8px;
    color: var(--line);
    pointer-events: none;
  }
  .page-faq .flow-track__svg line {
    stroke: currentColor;
    stroke-width: 1;
  }
  .page-faq .flow-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--s4);
  }
  .page-faq .qa__q {
    font-size: 19px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-index__inner {
    grid-template-columns: 268px minmax(0, 1fr);
    gap: var(--s5);
    align-items: start;
  }
  .page-faq .faq-index__aside {
    position: sticky;
    top: calc(var(--bar-h) + 24px);
  }
  .page-faq .faq-follow__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: var(--s6);
    align-items: center;
  }
}

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