.page-faq {
  --faq-line: 1px solid var(--steel);
  --faq-soft: rgba(245, 243, 239, 0.78);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
}

/* ---------- 面包屑 ---------- */
.page-faq .faq-crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 18px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--fog-dim);
}

.page-faq .faq-crumbs a {
  color: var(--fog);
  text-decoration: none;
}

.page-faq .faq-crumbs a:hover,
.page-faq .faq-crumbs a:focus-visible {
  color: var(--lava);
}

.page-faq .faq-crumbs .crumbs-sep {
  color: var(--steel);
}

.page-faq .faq-crumbs-current {
  color: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  background-color: var(--ink);
  background-image:
    linear-gradient(90deg, rgba(44, 44, 44, 0.85) 1px, transparent 1px),
    radial-gradient(120% 90% at 90% 0%, rgba(255, 94, 26, 0.18), transparent 62%);
  background-size: 80px 100%, auto;
  background-repeat: repeat, no-repeat;
  border-bottom: var(--faq-line);
}

.page-faq .faq-hero-inner {
  display: grid;
  gap: 18px;
  padding: 26px 0 42px;
}

.page-faq .faq-kicker {
  margin: 0;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--lava);
}

.page-faq .faq-kicker::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--lava);
}

.page-faq h1 {
  margin: 0;
  max-width: 17em;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 7.2vw, 62px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-faq .faq-lead {
  margin: 0;
  max-width: 36em;
  font-size: 17px;
  line-height: 1.9;
  color: var(--faq-soft);
}

.page-faq .faq-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  padding-top: 18px;
  border-top: var(--faq-line);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fog);
}

.page-faq .faq-hero-meta span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.page-faq .faq-hero-media {
  margin: 0;
  border-top: var(--faq-line);
  background: var(--graphite);
}

.page-faq .faq-hero-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1200 / 600;
  object-fit: cover;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 calc(100% - 26px));
}

/* ---------- 主体布局 ---------- */
.page-faq .faq-body {
  padding: 44px 0 0;
}

.page-faq .faq-layout {
  display: grid;
  gap: 30px;
}

/* ---------- 左侧索引 ---------- */
.page-faq .faq-index-label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--fog-dim);
}

.page-faq .faq-index-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--faq-line);
}

.page-faq .faq-index-list li {
  border-bottom: var(--faq-line);
}

.page-faq .faq-index-list a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 13px 4px 13px 14px;
  border-left: 2px solid transparent;
  color: var(--fog);
  font-size: 14px;
  line-height: 1.4;
  text-decoration: none;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease),
    background-color 0.2s var(--ease);
}

.page-faq .faq-index-list a:hover,
.page-faq .faq-index-list a:focus-visible {
  color: var(--paper);
  border-left-color: var(--lava);
  background: rgba(255, 94, 26, 0.07);
}

.page-faq .faq-index-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--lava);
}

/* ---------- 问题分组 ---------- */
.page-faq .faq-group {
  scroll-margin-top: 76px;
}

.page-faq .faq-group + .faq-group {
  margin-top: 52px;
  padding-top: 44px;
  border-top: var(--faq-line);
}

.page-faq .faq-group-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 10px;
}

.page-faq .faq-group-num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--lava);
}

.page-faq .faq-group-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(23px, 4.4vw, 38px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--paper);
}

/* ---------- 问答条目 ---------- */
.page-faq .faq-item {
  border-bottom: var(--faq-line);
}

.page-faq .faq-item[open] {
  background: linear-gradient(90deg, rgba(255, 94, 26, 0.06), transparent 46%);
}

.page-faq .faq-q {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 16px;
  padding: 20px 0;
  cursor: pointer;
  list-style: none;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--paper);
  transition: color 0.2s var(--ease);
}

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

.page-faq .faq-q::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--lava);
}

.page-faq .faq-item[open] .faq-q::after {
  content: "—";
}

.page-faq .faq-q:hover {
  color: var(--ember);
}

.page-faq .faq-q:focus-visible {
  outline: 2px solid var(--lava);
  outline-offset: 4px;
}

.page-faq .faq-a {
  max-width: 38em;
  padding: 0 0 22px;
}

.page-faq .faq-a p {
  margin: 0 0 10px;
  font-size: 17px;
  line-height: 1.9;
  color: var(--faq-soft);
}

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

/* ---------- 排查步骤 ---------- */
.page-faq .faq-steps {
  list-style: none;
  margin: 14px 0 0;
  padding: 0 0 0 14px;
  border-left: 1px solid var(--steel);
}

.page-faq .faq-steps li {
  position: relative;
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: 12px;
  padding: 10px 0;
  font-size: 17px;
  line-height: 1.85;
  color: var(--faq-soft);
}

.page-faq .faq-steps li::before {
  content: "";
  position: absolute;
  left: -15px;
  top: 19px;
  width: 2px;
  height: 14px;
  background: var(--lava);
}

.page-faq .faq-step-n {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.9;
  color: var(--lava);
}

/* ---------- 章节配图 ---------- */
.page-faq .faq-figure {
  margin: 22px 0 4px;
  padding: 16px;
  border: var(--faq-line);
  background: var(--graphite);
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 420px;
  height: auto;
  margin: 0 auto;
  object-fit: contain;
}

.page-faq .faq-figure figcaption {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  color: var(--fog-dim);
  text-align: center;
}

/* ---------- 联系区块 ---------- */
.page-faq .faq-help {
  position: relative;
  margin-top: 18px;
  padding: 26px 20px 30px;
  border: var(--faq-line);
  background: var(--graphite);
}

.page-faq .faq-help::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 72px;
  height: 3px;
  background: var(--lava);
}

.page-faq .faq-help-lead {
  margin: 0 0 20px;
  max-width: 36em;
  font-size: 17px;
  line-height: 1.9;
  color: var(--paper);
}

.page-faq .faq-contact {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--faq-line);
}

.page-faq .faq-contact li {
  display: grid;
  gap: 4px;
  padding: 12px 0;
  border-bottom: var(--faq-line);
}

.page-faq .faq-contact-key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--fog-dim);
}

.page-faq .faq-contact-val {
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.6;
  color: var(--amber);
  overflow-wrap: anywhere;
}

.page-faq .faq-help-note {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--fog);
}

.page-faq .faq-help-sub {
  margin: 26px 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--lava);
}

.page-faq .faq-help-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-faq .faq-help-list li {
  position: relative;
  padding-left: 18px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--faq-soft);
}

.page-faq .faq-help-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 13px;
  width: 8px;
  height: 2px;
  background: var(--lava);
}

.page-faq .faq-help-tail {
  margin: 24px 0 0;
  padding-top: 18px;
  border-top: var(--faq-line);
  font-size: 15px;
  line-height: 1.85;
  color: var(--faq-soft);
}

.page-faq .faq-help-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-faq .faq-help-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin: 24px 0 0;
  padding-top: 18px;
  border-top: var(--faq-line);
  font-family: var(--font-mono);
  font-size: 12px;
}

.page-faq .faq-help-links a {
  color: var(--fog);
  text-decoration: none;
  border-bottom: 1px solid var(--steel);
  padding-bottom: 2px;
}

.page-faq .faq-help-links a:hover,
.page-faq .faq-help-links a:focus-visible {
  color: var(--lava);
  border-bottom-color: var(--lava);
}

.page-faq a:focus-visible {
  outline: 2px solid var(--lava);
  outline-offset: 3px;
}

/* ---------- 桌面端 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-hero-inner {
    padding: 34px 0 56px;
    gap: 20px;
  }

  .page-faq .faq-body {
    padding-top: 60px;
  }

  .page-faq .faq-contact li {
    grid-template-columns: 88px minmax(0, 1fr);
    align-items: baseline;
    gap: 16px;
  }

  .page-faq .faq-help {
    padding: 34px 32px 38px;
  }

  .page-faq .faq-help-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px 24px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-layout {
    grid-template-columns: 224px minmax(0, 1fr);
    gap: 64px;
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 84px;
  }

  .page-faq .faq-group + .faq-group {
    margin-top: 68px;
    padding-top: 56px;
  }

  .page-faq .faq-q {
    font-size: 20px;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index-list a,
  .page-faq .faq-q {
    transition: none;
  }
}
<<<END>>>