.page-faq {
  --faq-frame: var(--line-2);
  --faq-step-line: var(--mist-2);
  --faq-ink-soft: rgba(255, 255, 255, 0.74);
}

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

.page-faq .faq-top {
  padding-top: 16px;
}

.page-faq .breadcrumb {
  margin-bottom: 16px;
}

/* ---------- 首屏：折页说明书 ---------- */
.page-faq .faq-hero {
  position: relative;
  display: grid;
  gap: 24px;
  padding: 26px 18px 28px;
  background: var(--white);
  border: 1px solid var(--faq-frame);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--jiang) 0%, var(--cyan) 55%, var(--yellow) 100%);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 34px;
  height: 34px;
  background: linear-gradient(225deg, var(--mist-2) 0%, var(--mist-2) 49%, transparent 50%);
  pointer-events: none;
}

.page-faq .faq-hero-copy {
  min-width: 0;
}

.page-faq .faq-hero .eyebrow {
  margin: 0 0 12px;
}

.page-faq .faq-hero h1 {
  margin: 0 0 14px;
  font-family: var(--head);
  font-weight: 800;
  font-size: clamp(28px, 6.4vw, 52px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-faq .faq-lead {
  margin: 0 0 14px;
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.85;
  color: var(--graphite);
}

.page-faq .faq-hero-note {
  margin: 0;
  padding-left: 12px;
  border-left: 2px solid var(--yellow);
  font-size: 14px;
  line-height: 1.8;
  color: var(--graphite);
}

.page-faq .faq-hero-note .mono {
  display: inline-block;
  margin-right: 8px;
  padding: 1px 6px;
  background: var(--yellow);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
}

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

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

/* ---------- 章节头 ---------- */
.page-faq .faq-head {
  margin-bottom: 22px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-head .eyebrow {
  margin: 0 0 10px;
}

.page-faq .faq-head h2 {
  margin: 0 0 10px;
  font-family: var(--head);
  font-weight: 800;
  font-size: clamp(22px, 4.4vw, 34px);
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--ink);
}

.page-faq .faq-head-lead {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--graphite);
}

/* ---------- 问题索引卡 ---------- */
.page-faq .faq-index-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr;
}

.page-faq .faq-index-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px 16px 14px 18px;
  background: var(--white);
  border: 1px solid var(--line);
  color: var(--ink);
  text-decoration: none;
  transition: transform 0.22s var(--ease), border-color 0.22s var(--ease), box-shadow 0.22s var(--ease);
}

.page-faq .faq-index-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  bottom: 14px;
  width: 2px;
  background: var(--jiang);
  transition: top 0.22s var(--ease), bottom 0.22s var(--ease);
}

.page-faq .faq-index-card:nth-child(2)::before { background: var(--cyan); }
.page-faq .faq-index-card:nth-child(3)::before { background: var(--orange); }
.page-faq .faq-index-card:nth-child(4)::before { background: var(--violet); }
.page-faq .faq-index-card:nth-child(5)::before { background: var(--yellow); }

.page-faq .faq-index-card:hover,
.page-faq .faq-index-card:focus-visible {
  transform: translateY(-2px);
  border-color: var(--jiang);
  box-shadow: var(--shadow-lift);
}

.page-faq .faq-index-card:hover::before,
.page-faq .faq-index-card:focus-visible::before {
  top: 6px;
  bottom: 6px;
}

.page-faq .faq-index-num {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--jiang);
}

.page-faq .faq-index-title {
  font-family: var(--head);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.3;
}

.page-faq .faq-index-desc {
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--graphite);
}

.page-faq .faq-index-go {
  margin-top: auto;
  padding-top: 8px;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--orange);
}

/* ---------- 手风琴 ---------- */
.page-faq .faq-list {
  display: grid;
  gap: 10px;
}

.page-faq .faq-item {
  background: var(--white);
  border: 1px solid var(--line);
  transition: border-color 0.22s var(--ease), box-shadow 0.22s var(--ease), transform 0.22s var(--ease);
}

.page-faq .faq-item:hover {
  transform: translateY(-2px);
  border-color: var(--jiang);
}

.page-faq .faq-item[open] {
  border-color: var(--jiang);
  box-shadow: var(--shadow-lift);
}

.page-faq .faq-summary {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 12px;
  align-items: start;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-summary:focus-visible {
  outline: 2px solid var(--yellow);
  outline-offset: -2px;
}

.page-faq .faq-num {
  padding-top: 2px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--graphite);
}

.page-faq .faq-item[open] .faq-num {
  color: var(--orange);
}

.page-faq .faq-q {
  margin: 0;
  font-family: var(--head);
  font-weight: 700;
  font-size: 15.5px;
  line-height: 1.55;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-faq .faq-sign {
  position: relative;
  width: 14px;
  height: 14px;
  margin-top: 3px;
  flex: none;
}

.page-faq .faq-sign::before,
.page-faq .faq-sign::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--jiang);
  transform: translate(-50%, -50%);
  transition: transform 0.22s var(--ease), opacity 0.22s var(--ease);
}

.page-faq .faq-sign::before {
  width: 14px;
  height: 2px;
}

.page-faq .faq-sign::after {
  width: 2px;
  height: 14px;
}

.page-faq .faq-item[open] .faq-sign::after {
  transform: translate(-50%, -50%) scaleY(0);
  opacity: 0;
}

.page-faq .faq-answer {
  padding: 2px 16px 18px;
  border-top: 1px dashed var(--line);
  margin: 0 16px 0;
  padding-left: 0;
  padding-right: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--graphite);
}

.page-faq .faq-answer a {
  color: var(--jiang);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-answer a:hover {
  color: var(--orange);
}

/* 步骤刻度 */
.page-faq .faq-steps {
  counter-reset: step;
  list-style: none;
  margin: 14px 0 12px;
  padding: 0;
}

.page-faq .faq-steps li {
  position: relative;
  margin-left: 9px;
  padding: 0 0 14px 26px;
  border-left: 1px solid var(--faq-step-line);
  font-size: 14.5px;
  line-height: 1.8;
}

.page-faq .faq-steps li:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-faq .faq-steps li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: -9px;
  top: 1px;
  width: 18px;
  height: 18px;
  display: grid;
  place-items: center;
  background: var(--yellow);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  line-height: 1;
  border-radius: 50%;
}

.page-faq .faq-result {
  display: flex;
  gap: 10px;
  align-items: baseline;
  margin: 0;
  padding: 10px 12px;
  background: var(--mist);
  border-left: 2px solid var(--jiang);
  font-size: 14px;
  line-height: 1.8;
  color: var(--graphite);
}

.page-faq .faq-result-tag {
  flex: none;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--orange);
}

/* ---------- 图 ---------- */
.page-faq .faq-figure {
  margin: 22px 0 0;
  max-width: 520px;
  background: var(--white);
  border: 1px solid var(--line);
  padding: 10px 10px 0;
}

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

.page-faq .faq-figure figcaption {
  padding: 10px 4px 12px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--graphite);
}

/* ---------- 还没解决 ---------- */
.page-faq .faq-head--dark {
  border-bottom-color: var(--line-light);
}

.page-faq .faq-head--dark h2 {
  color: var(--white);
}

.page-faq .faq-head--dark .eyebrow {
  color: var(--cyan);
}

.page-faq .faq-head--dark .faq-head-lead {
  color: var(--faq-ink-soft);
}

.page-faq .faq-contact-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr;
}

.page-faq .faq-contact-card {
  padding: 16px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--line-light);
  transition: border-color 0.22s var(--ease), background 0.22s var(--ease);
}

.page-faq .faq-contact-card:hover {
  border-color: var(--cyan);
  background: rgba(23, 195, 178, 0.08);
}

.page-faq .faq-contact-label {
  display: inline-block;
  margin-bottom: 10px;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--yellow);
}

.page-faq .faq-contact-value {
  margin: 0 0 8px;
  font-family: var(--mono);
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0.01em;
  color: var(--white);
  word-break: break-word;
}

.page-faq .faq-contact-desc {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--faq-ink-soft);
}

.page-faq .faq-unsolved-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.page-faq .faq-more {
  margin-top: 26px;
  padding-top: 18px;
  border-top: 1px solid var(--line-light);
}

.page-faq .faq-more-title {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

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

.page-faq .faq-more-list li {
  padding-left: 14px;
  border-left: 1px solid var(--line-light-2);
  font-size: 14px;
  line-height: 1.7;
}

.page-faq .faq-more-list a {
  color: var(--white);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .faq-more-list a:hover,
.page-faq .faq-more-list a:focus-visible {
  color: var(--yellow);
  border-bottom-color: var(--yellow);
}

/* ---------- 桌面 ---------- */
@media (min-width: 720px) {
  .page-faq .section {
    padding-block: 56px;
  }

  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: center;
    gap: 32px;
    padding: 40px 34px;
  }

  .page-faq .faq-lead {
    font-size: 17px;
  }

  .page-faq .faq-head {
    display: grid;
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    grid-template-areas:
      "eyebrow lead"
      "title lead";
    column-gap: 32px;
    align-items: end;
  }

  .page-faq .faq-head .eyebrow {
    grid-area: eyebrow;
    margin-bottom: 8px;
  }

  .page-faq .faq-head h2 {
    grid-area: title;
    margin-bottom: 0;
  }

  .page-faq .faq-head-lead {
    grid-area: lead;
    padding-bottom: 4px;
  }

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

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

  .page-faq .faq-summary {
    padding: 18px 20px;
  }

  .page-faq .faq-answer {
    margin: 0 20px;
    padding-bottom: 20px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    column-gap: 24px;
    align-items: start;
  }

  .page-faq .faq-steps {
    margin-top: 16px;
    margin-bottom: 0;
  }

  .page-faq .faq-result {
    margin-top: 16px;
  }
}

@media (min-width: 1040px) {
  .page-faq .faq-hero {
    padding: 52px 48px;
  }

  .page-faq .faq-index-grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index-card,
  .page-faq .faq-item,
  .page-faq .faq-sign::before,
  .page-faq .faq-sign::after,
  .page-faq .faq-contact-card {
    transition: none;
  }

  .page-faq .faq-index-card:hover,
  .page-faq .faq-item:hover {
    transform: none;
  }
}
<<<END>>>