.page-faq {
  --faq-block: clamp(56px, 8vw, 112px);
  --faq-rule: 1px solid var(--grass);
  --faq-soft: #EDEFF3;
  color: var(--ink);
  background: var(--paper);
}

.page-faq [id] {
  scroll-margin-top: 120px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  border-bottom: 3px solid var(--ink);
  padding: clamp(24px, 4vw, 44px) 0 clamp(48px, 7vw, 88px);
  background-color: var(--paper);
  background-image: linear-gradient(180deg, var(--mint) 0%, rgba(250, 250, 247, 0) 78%);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
  margin-top: clamp(24px, 4vw, 48px);
}

.page-faq .faq-hero__title {
  margin: 14px 0 0;
  max-width: 18ch;
}

.page-faq .faq-hero__lede {
  margin: 22px 0 0;
  max-width: 58ch;
  font-size: clamp(1rem, 1.5vw, 1.125rem);
  line-height: 1.8;
  color: var(--graphite);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.page-faq .faq-hero__aside {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-faq .faq-quick {
  display: grid;
  gap: 6px;
  padding: 16px 18px;
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  background: var(--paper);
  box-shadow: 6px 6px 0 var(--ink);
  color: var(--ink);
  text-decoration: none;
  transition: transform 0.24s var(--ease), box-shadow 0.24s var(--ease), background-color 0.24s var(--ease);
}

.page-faq .faq-quick:hover,
.page-faq .faq-quick:focus-visible {
  transform: translate(4px, 4px);
  box-shadow: 2px 2px 0 var(--ink);
  background: var(--mint);
}

.page-faq .faq-quick__label {
  font-size: 1.0625rem;
  font-weight: 700;
  line-height: 1.35;
}

.page-faq .faq-quick__meta {
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--graphite);
}

/* ---------- 章节骨架 ---------- */
.page-faq .faq-section {
  padding: var(--faq-block) 0;
}

.page-faq .faq-section + .faq-section {
  border-top: var(--faq-rule);
}

.page-faq .faq-section__head {
  display: grid;
  gap: 16px;
  margin-bottom: clamp(30px, 4vw, 56px);
}

.page-faq .faq-section__intro h2 {
  margin: 0;
  font-size: clamp(1.7rem, 3.6vw, 2.7rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.page-faq .faq-section__intro p {
  margin: 14px 0 0;
  max-width: 60ch;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--graphite);
}

.page-faq .section-num {
  font-size: clamp(2.6rem, 7vw, 5rem);
  line-height: 0.82;
  font-weight: 300;
  letter-spacing: -0.03em;
  color: var(--blue);
  font-variant-numeric: tabular-nums;
}

/* ---------- 五步流程 ---------- */
.page-faq .step-rail {
  list-style: none;
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  border-top: 3px solid var(--ink);
  border-bottom: 2px solid var(--gravel);
}

.page-faq .step-rail__item {
  padding: 26px 4px 28px;
  border-top: 1px solid var(--gravel);
}

.page-faq .step-rail__item:first-child {
  border-top: 0;
}

.page-faq .step-rail__num {
  display: inline-grid;
  place-items: center;
  width: 46px;
  height: 46px;
  margin-bottom: 16px;
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  background: var(--paper);
  color: var(--blue);
  font-size: 1.0625rem;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}

.page-faq .step-rail__title {
  margin: 0 0 10px;
  font-size: 1.125rem;
  font-weight: 700;
  line-height: 1.4;
}

.page-faq .step-rail__text {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--graphite);
}

/* ---------- 插图 ---------- */
.page-faq .faq-figure {
  margin: clamp(36px, 5vw, 64px) 0 0;
  border: 3px solid var(--ink);
  border-radius: var(--radius);
  background: var(--paper);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-bottom: 2px solid var(--ink);
}

.page-faq .faq-figure figcaption {
  padding: 12px 16px;
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--graphite);
  background: var(--mint);
}

.page-faq .faq-figure--wide {
  box-shadow: 6px 6px 0 var(--ink);
}

/* ---------- 两列对照 ---------- */
.page-faq .compare {
  display: grid;
  border: 3px solid var(--ink);
  border-radius: var(--radius);
  background: var(--paper);
  box-shadow: 10px 10px 0 var(--ink);
  overflow: hidden;
}

.page-faq .compare__col {
  padding: clamp(22px, 3.4vw, 38px);
}

.page-faq .compare__col + .compare__col {
  border-top: 2px solid var(--ink);
  background: var(--mint);
}

.page-faq .compare__tag {
  display: inline-block;
  margin: 0 0 14px;
  padding: 4px 10px;
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  background: var(--paper);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.page-faq .compare__col--desktop .compare__tag {
  background: var(--blue);
  color: var(--paper);
  border-color: var(--blue);
}

.page-faq .compare__col h3 {
  margin: 0 0 16px;
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.35;
}

.page-faq .compare__list {
  list-style: none;
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
}

.page-faq .compare__list li {
  position: relative;
  padding-left: 22px;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--graphite);
}

.page-faq .compare__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 10px;
  height: 10px;
  border: 2px solid var(--ink);
  border-radius: var(--radius);
}

.page-faq .compare__col--desktop .compare__list li::before {
  border-color: var(--blue);
  background: var(--blue);
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-qa {
  display: grid;
  border-top: 2px solid var(--ink);
}

.page-faq .faq-qa--tight {
  margin-top: clamp(36px, 5vw, 60px);
}

.page-faq .faq-item {
  border-bottom: 1px solid var(--gravel);
  background: var(--paper);
  transition: box-shadow 0.24s var(--ease), background-color 0.24s var(--ease);
}

.page-faq .faq-item[open] {
  box-shadow: inset 4px 0 0 var(--blue);
  background: #FCFCFA;
}

.page-faq .faq-item > summary {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  padding: 22px 18px 22px 14px;
  cursor: pointer;
  list-style: none;
  font-size: 1.0625rem;
  font-weight: 700;
  line-height: 1.55;
  transition: background-color 0.24s var(--ease), color 0.24s var(--ease);
}

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

.page-faq .faq-item > summary:hover,
.page-faq .faq-item > summary:focus-visible {
  background: var(--mint);
}

.page-faq .faq-item > summary::after {
  content: "";
  flex: 0 0 auto;
  width: 13px;
  height: 13px;
  margin-top: 7px;
  border-right: 2px solid var(--blue);
  border-bottom: 2px solid var(--blue);
  transform: rotate(45deg);
  transition: transform 0.24s var(--ease), margin-top 0.24s var(--ease);
}

.page-faq .faq-item[open] > summary::after {
  transform: rotate(225deg);
  margin-top: 14px;
}

.page-faq .faq-item__body {
  padding: 0 18px 28px 14px;
  max-width: 68ch;
}

.page-faq .faq-item__body p {
  margin: 0;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--graphite);
}

.page-faq .faq-item__body p + p {
  margin-top: 1em;
}

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

.page-faq .faq-item__body a:hover {
  text-decoration-thickness: 2px;
}

/* 有序排障步骤 */
.page-faq .faq-steps {
  list-style: none;
  counter-reset: fstep;
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  border: 2px solid var(--gravel);
  border-radius: var(--radius);
  background: var(--faq-soft);
}

.page-faq .faq-steps > li {
  counter-increment: fstep;
  position: relative;
  padding: 14px 16px 14px 54px;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--ink);
}

.page-faq .faq-steps > li + li {
  border-top: 1px solid var(--gravel);
}

.page-faq .faq-steps > li::before {
  content: counter(fstep, decimal-leading-zero);
  position: absolute;
  left: 16px;
  top: 14px;
  font-size: 0.9375rem;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  color: var(--blue);
}

/* ---------- 支持面板 ---------- */
.page-faq .faq-section--contact {
  padding-bottom: clamp(72px, 9vw, 128px);
}

.page-faq .support-panel {
  display: grid;
  gap: 0;
  border: 3px solid var(--ink);
  border-radius: var(--radius);
  background: var(--night);
  color: var(--paper);
  box-shadow: 10px 10px 0 var(--ink);
  overflow: hidden;
}

.page-faq .support-panel__channels {
  display: grid;
  gap: 0;
}

.page-faq .support-channel {
  display: grid;
  gap: 6px;
  padding: clamp(20px, 3vw, 30px);
  border-bottom: 1px solid rgba(250, 250, 247, 0.22);
}

.page-faq .support-channel:last-child {
  border-bottom: 0;
}

.page-faq .support-channel__label {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--grass);
}

.page-faq .support-channel__value {
  font-size: clamp(1.0625rem, 2vw, 1.3125rem);
  font-weight: 700;
  line-height: 1.4;
  word-break: break-word;
  font-variant-numeric: tabular-nums;
}

.page-faq .support-channel__note {
  font-size: 0.8125rem;
  line-height: 1.65;
  color: rgba(250, 250, 247, 0.72);
}

.page-faq .support-panel__prep {
  padding: clamp(24px, 3.4vw, 38px);
  background: rgba(250, 250, 247, 0.06);
  border-top: 2px solid var(--blue);
}

.page-faq .support-panel__prep h3 {
  margin: 0 0 18px;
  font-size: 1.25rem;
  font-weight: 700;
}

.page-faq .support-panel__list {
  list-style: none;
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
}

.page-faq .support-panel__list li {
  position: relative;
  padding-left: 24px;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: rgba(250, 250, 247, 0.86);
}

.page-faq .support-panel__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 11px;
  height: 2px;
  background: var(--amber);
}

.page-faq .support-panel__tail {
  margin: 24px 0 0;
  padding-top: 20px;
  border-top: 1px solid rgba(250, 250, 247, 0.22);
  font-size: 0.875rem;
  line-height: 1.8;
  color: rgba(250, 250, 247, 0.78);
}

.page-faq .support-panel__tail a {
  color: var(--paper);
  text-decoration: underline;
  text-decoration-color: var(--grass);
  text-underline-offset: 3px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-section__head {
    grid-template-columns: auto minmax(0, 1fr);
    gap: clamp(24px, 4vw, 60px);
    align-items: start;
  }

  .page-faq .step-rail {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    border-bottom: 3px solid var(--ink);
  }

  .page-faq .step-rail__item {
    padding: 26px 20px 30px;
    border-top: 0;
    border-left: 1px solid var(--gravel);
  }

  .page-faq .step-rail__item:first-child {
    border-left: 0;
    padding-left: 0;
  }

  .page-faq .step-rail__item:last-child {
    padding-right: 0;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    gap: clamp(36px, 5vw, 80px);
    align-items: end;
  }

  .page-faq .compare {
    grid-template-columns: 1fr 1fr;
  }

  .page-faq .compare__col + .compare__col {
    border-top: 0;
    border-left: 2px solid var(--ink);
  }

  .page-faq .support-panel {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  }

  .page-faq .support-panel__channels {
    border-right: 2px solid var(--blue);
  }

  .page-faq .support-panel__prep {
    border-top: 0;
  }

  .page-faq .support-channel:last-child {
    border-bottom: 0;
  }
}

@media (max-width: 480px) {
  .page-faq .faq-hero__title {
    max-width: none;
  }

  .page-faq .faq-hero__actions .btn {
    width: 100%;
    justify-content: center;
    text-align: center;
  }

  .page-faq .faq-item > summary {
    font-size: 1rem;
    padding: 18px 14px 18px 12px;
  }

  .page-faq .faq-item__body {
    padding: 0 14px 24px 12px;
  }

  .page-faq .faq-steps > li {
    padding: 12px 14px 12px 48px;
    font-size: 0.9rem;
  }

  .page-faq .faq-steps > li::before {
    left: 14px;
    top: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-quick,
  .page-faq .faq-item,
  .page-faq .faq-item > summary,
  .page-faq .faq-item > summary::after,
  .page-faq .support-panel__list li::before {
    transition: none;
  }

  .page-faq .faq-quick:hover,
  .page-faq .faq-quick:focus-visible {
    transform: none;
  }
}
<<<END>>>