.page-faq {
  --faq-line: var(--line-600);
  --faq-quiet: var(--text-400);
  padding-bottom: var(--gap-xl);
}

.page-faq .faq-hero {
  display: grid;
  gap: var(--gap-md);
  padding: var(--gap-lg) 0 var(--gap-lg);
  background:
    radial-gradient(120% 90% at 88% -10%, rgba(201, 162, 39, .16), transparent 62%),
    radial-gradient(80% 60% at 0% 110%, rgba(139, 30, 45, .16), transparent 66%);
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-hero h1 {
  margin: var(--gap-sm) 0;
  font-size: clamp(30px, 8vw, 62px);
  line-height: 1.06;
  letter-spacing: -.01em;
  color: var(--text-100);
}

.page-faq .faq-lead {
  max-width: 44ch;
  margin: 0 0 var(--gap-md);
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-400);
}

.page-faq .faq-hero-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--gap-sm);
}

.page-faq .faq-hero-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--gap-sm);
  margin: var(--gap-lg) 0 0;
  padding-top: var(--gap-sm);
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-hero-meta dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--faq-quiet);
}

.page-faq .faq-hero-meta dd {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(20px, 5vw, 28px);
  color: var(--brand-500);
}

.page-faq .faq-hero-art {
  margin: 0;
  border: 1px solid var(--faq-line);
  background: var(--base-800);
}

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

.page-faq .faq-hero-art figcaption {
  padding: 10px 12px;
  border-top: 1px solid var(--faq-line);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.6;
  letter-spacing: .06em;
  color: var(--faq-quiet);
}

/* 三条路径：香槟白亮色带 */
.page-faq .faq-paths {
  margin-top: var(--gap-lg);
  padding: var(--gap-md) var(--gap-md) var(--gap-lg);
  background: var(--surface-100);
  color: var(--base-900);
  border-top: 3px solid var(--brand-500);
}

.page-faq .faq-paths .eyebrow {
  color: var(--accent-600);
}

.page-faq .paths-head h2 {
  margin: 10px 0 6px;
  font-size: clamp(24px, 6vw, 38px);
  line-height: 1.14;
  letter-spacing: -.01em;
}

.page-faq .paths-sub {
  margin: 0;
  max-width: 40ch;
  font-size: 14px;
  line-height: 1.8;
  color: #4A4238;
}

.page-faq .path-grid {
  display: grid;
  gap: 0;
  margin-top: var(--gap-md);
}

.page-faq .path-card {
  padding: var(--gap-md) 0;
  border-top: 1px solid rgba(17, 18, 20, .18);
}

.page-faq .path-num {
  display: block;
  font-size: 13px;
  letter-spacing: .2em;
  color: var(--accent-600);
}

.page-faq .path-card h3 {
  margin: 8px 0 var(--gap-sm);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: .01em;
}

.page-faq .path-card .steps {
  margin: 0 0 var(--gap-sm);
}

.page-faq .path-card .steps li::before {
  color: var(--accent-600);
}

.page-faq .path-link {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--base-900);
  text-decoration: none;
  border-bottom: 1px solid var(--accent-600);
  padding-bottom: 2px;
}

.page-faq .path-link:hover,
.page-faq .path-link:focus-visible {
  color: var(--accent-600);
}

/* 正文两栏：折叠索引 + 问答 */
.page-faq .faq-body {
  display: grid;
  gap: var(--gap-lg);
  margin-top: var(--gap-lg);
}

.page-faq .faq-index {
  border-top: 1px solid var(--brand-500);
  padding-top: var(--gap-sm);
}

.page-faq .faq-index-label {
  margin: 0 0 var(--gap-sm);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--faq-quiet);
}

.page-faq .faq-index-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-index-list li {
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-index-list a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 11px 0;
  font-size: 14px;
  color: var(--text-100);
  text-decoration: none;
  transition: color var(--dur-cut) var(--ease-cut);
}

.page-faq .faq-index-list a .num {
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--brand-500);
}

.page-faq .faq-index-list a:hover,
.page-faq .faq-index-list a:focus-visible {
  color: var(--brand-300);
}

.page-faq .faq-index-note {
  margin: var(--gap-sm) 0 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--faq-quiet);
}

.page-faq .faq-groups > section + section {
  margin-top: var(--gap-xl);
}

.page-faq .group-head {
  display: flex;
  align-items: baseline;
  gap: var(--gap-sm);
  padding-bottom: 10px;
  border-bottom: 2px solid var(--brand-500);
}

.page-faq .grp-num {
  font-size: clamp(26px, 7vw, 40px);
  line-height: 1;
  color: var(--brand-500);
}

.page-faq .group-head h2 {
  margin: 0;
  font-size: clamp(18px, 4.6vw, 24px);
  letter-spacing: .02em;
  color: var(--text-100);
}

/* 折叠问答 */
.page-faq .qa {
  border-bottom: 1px solid var(--faq-line);
  border-left: 2px solid transparent;
  transition: border-color var(--dur-cut) var(--ease-cut), background-color var(--dur-cut) var(--ease-cut);
}

.page-faq .qa[open] {
  border-left-color: var(--brand-500);
  background: linear-gradient(90deg, rgba(201, 162, 39, .07), transparent 62%);
}

.page-faq .qa > summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 15px 6px 15px 12px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .qa-num {
  flex: none;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--faq-quiet);
}

.page-faq .qa-q {
  flex: 1 1 auto;
  font-size: 15px;
  line-height: 1.55;
  color: var(--text-100);
  transition: color var(--dur-cut) var(--ease-cut);
}

.page-faq .qa > summary:hover .qa-q,
.page-faq .qa > summary:focus-visible .qa-q,
.page-faq .qa[open] .qa-q {
  color: var(--brand-300);
}

.page-faq .qa-toggle {
  position: relative;
  flex: none;
  width: 16px;
  height: 16px;
}

.page-faq .qa-toggle::before,
.page-faq .qa-toggle::after {
  content: "";
  position: absolute;
  background: var(--brand-500);
}

.page-faq .qa-toggle::before {
  left: 0;
  top: 7px;
  width: 16px;
  height: 1.5px;
}

.page-faq .qa-toggle::after {
  left: 7px;
  top: 0;
  width: 1.5px;
  height: 16px;
  transition: transform var(--dur-cut) var(--ease-cut);
}

.page-faq .qa[open] .qa-toggle::after {
  transform: scaleY(0);
}

.page-faq .qa-answer {
  padding: 0 6px var(--gap-md) 12px;
}

.page-faq .qa-answer p {
  margin: 0;
  max-width: 58ch;
  font-size: 14px;
  line-height: 1.9;
  color: #C6C2B9;
}

.page-faq .qa-answer a {
  color: var(--brand-300);
  text-decoration: none;
  border-bottom: 1px solid rgba(201, 162, 39, .5);
}

.page-faq .qa-answer a:hover {
  color: var(--brand-500);
}

/* 有序步骤 */
.page-faq .steps {
  counter-reset: step;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-faq .steps li {
  position: relative;
  counter-increment: step;
  padding-left: 32px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--text-100);
  transition: color var(--dur-cut) var(--ease-cut);
}

.page-faq .steps li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--brand-500);
}

.page-faq .steps li:hover {
  color: var(--brand-300);
}

/* 下载组分栏 */
.page-faq .group-split {
  display: grid;
  gap: var(--gap-md);
}

.page-faq .faq-figure {
  margin: 0;
  border: 1px solid var(--faq-line);
  background: var(--base-800);
  align-self: start;
}

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

.page-faq .faq-figure figcaption {
  padding: 10px 12px;
  border-top: 1px solid var(--faq-line);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.6;
  letter-spacing: .05em;
  color: var(--faq-quiet);
}

/* 未解决区块 */
.page-faq .faq-support {
  padding: var(--gap-md);
  border: 1px solid var(--faq-line);
  border-top: 2px solid var(--accent-600);
  background:
    linear-gradient(160deg, rgba(139, 30, 45, .16), transparent 58%),
    var(--base-800);
}

.page-faq .support-lead {
  margin: var(--gap-md) 0 0;
  max-width: 52ch;
  font-size: 14px;
  line-height: 1.9;
  color: #C6C2B9;
}

.page-faq .support-grid {
  display: grid;
  gap: var(--gap-md);
  margin-top: var(--gap-md);
}

.page-faq .support-card {
  padding-top: var(--gap-sm);
  border-top: 1px solid var(--faq-line);
}

.page-faq .support-card h3 {
  margin: 0 0 var(--gap-sm);
  font-size: 15px;
  letter-spacing: .04em;
  color: var(--text-100);
}

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

.page-faq .faq-contact-row {
  display: grid;
  gap: 2px;
  padding: 9px 0;
  border-bottom: 1px dashed rgba(42, 45, 51, .9);
}

.page-faq .faq-contact-k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--faq-quiet);
}

.page-faq .faq-contact-v {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-100);
  overflow-wrap: anywhere;
}

.page-faq .support-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--gap-sm);
  margin-top: var(--gap-md);
}

@media (min-width: 720px) {
  .page-faq .faq-hero {
    grid-template-columns: 1.05fr .95fr;
    align-items: start;
    gap: var(--gap-lg);
  }

  .page-faq .faq-hero-art {
    margin-top: var(--gap-sm);
  }

  .page-faq .faq-paths {
    padding: var(--gap-lg);
  }

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

  .page-faq .path-card {
    padding: 0 0 0 var(--gap-md);
    border-top: none;
    border-left: 1px solid rgba(17, 18, 20, .18);
  }

  .page-faq .path-card:first-child {
    padding-left: 0;
    border-left: none;
  }

  .page-faq .group-split {
    grid-template-columns: 1.15fr .85fr;
    gap: var(--gap-lg);
    align-items: start;
  }

  .page-faq .support-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--gap-lg);
  }

  .page-faq .support-card {
    padding-top: var(--gap-md);
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-body {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: var(--gap-xl);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--topbar-h) + 16px);
  }

  .page-faq .qa-answer {
    padding-bottom: var(--gap-lg);
  }

  .page-faq .faq-support {
    padding: var(--gap-lg);
  }
}

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