.page-faq {
  background: var(--chalk-white);
  color: var(--ink-green);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.85;
  overflow-x: clip;
}

.page-faq .shell {
  width: 100%;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: 108px 0 44px;
  background-color: var(--chalk-white);
  background-image: var(--mist-gradient);
  border-bottom: 1px solid var(--line-color);
}

.page-faq .faq-hero .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: rgba(11, 42, 32, 0.6);
}

.page-faq .faq-hero .breadcrumb a {
  color: var(--tactic-blue);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--t) var(--ease);
}

.page-faq .faq-hero .breadcrumb a:hover,
.page-faq .faq-hero .breadcrumb a:focus-visible {
  border-bottom-color: var(--turf-green);
}

.page-faq .faq-hero .breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--concrete-gray);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 28px;
}

.page-faq .faq-hero__copy {
  max-width: 640px;
}

.page-faq .eyebrow {
  font-family: var(--font-label);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--turf-green);
  margin: 0 0 14px;
}

.page-faq .faq-hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(32px, 7vw, 58px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 0 0 20px;
  color: var(--ink-green);
}

.page-faq .faq-hero__lede {
  font-size: 17px;
  line-height: 1.85;
  color: rgba(11, 42, 32, 0.82);
  margin: 0 0 26px;
}

.page-faq .faq-hero__jump {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .jump-pill {
  display: inline-block;
  padding: 7px 16px;
  border: 1px solid var(--concrete-gray);
  border-radius: var(--radius-pill);
  font-family: var(--font-label);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--ink-green);
  text-decoration: none;
  background: rgba(247, 248, 244, 0.7);
  transition: background-color var(--t) var(--ease), border-color var(--t) var(--ease), color var(--t) var(--ease);
}

.page-faq .jump-pill:hover,
.page-faq .jump-pill:focus-visible {
  background: var(--whistle-yellow);
  border-color: var(--whistle-yellow);
  color: var(--ink-green);
}

.page-faq .faq-hero__figure {
  margin: 0;
  aspect-ratio: 2 / 1;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line-color);
  background: var(--paper-cream);
}

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

/* ---------- 双栏骨架 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: 32px;
  padding: 44px 0 88px;
}

.page-faq .faq-rail {
  display: block;
  border: 1px solid var(--line-color);
  border-radius: var(--radius-lg);
  background: var(--paper-cream);
  padding: 20px 18px;
}

.page-faq .faq-rail__title {
  font-family: var(--font-label);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--turf-green);
  margin: 0 0 12px;
}

.page-faq .faq-rail__list {
  list-style: none;
  margin: 0 0 8px;
  padding: 0;
}

.page-faq .faq-rail__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px 0 8px 12px;
  border-left: 2px solid var(--concrete-gray);
  color: var(--ink-green);
  text-decoration: none;
  font-size: 15px;
  line-height: 1.5;
  transition: border-color var(--t) var(--ease), color var(--t) var(--ease), background-color var(--t) var(--ease);
}

.page-faq .faq-rail__link:hover,
.page-faq .faq-rail__link:focus-visible {
  border-left-color: var(--turf-green);
  background: rgba(255, 210, 63, 0.28);
  color: var(--ink-green);
}

.page-faq .faq-rail__no {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--turf-green);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-rail__terms {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line-color);
}

.page-faq .faq-rail__term {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.6;
}

/* ---------- 术语气泡 ---------- */
.page-faq .term {
  position: relative;
  display: inline-block;
  color: var(--tactic-blue);
  border-bottom: 1px dashed var(--tactic-blue);
  cursor: help;
}

.page-faq .term:focus-visible {
  outline: 2px solid var(--turf-green);
  outline-offset: 2px;
}

.page-faq .term__tip {
  position: absolute;
  left: 0;
  top: calc(100% + 8px);
  z-index: 6;
  width: min(260px, 72vw);
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  background: var(--ink-green);
  color: var(--chalk-white);
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.65;
  letter-spacing: 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: opacity var(--t) var(--ease), transform var(--t) var(--ease), visibility var(--t) var(--ease);
}

.page-faq .term:hover .term__tip,
.page-faq .term:focus .term__tip,
.page-faq .term:focus-within .term__tip {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* ---------- 章节 ---------- */
.page-faq .faq-main {
  min-width: 0;
}

.page-faq .faq-section {
  scroll-margin-top: 96px;
}

.page-faq .faq-section + .faq-section {
  margin-top: 52px;
  padding-top: 40px;
  border-top: 1px solid var(--line-color);
}

.page-faq .faq-section__head {
  margin-bottom: 22px;
}

.page-faq .faq-section__no {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  color: var(--chalk-white);
  background: var(--ink-green);
  border-radius: var(--radius-pill);
  padding: 3px 12px;
  margin-bottom: 12px;
}

.page-faq .faq-section h2 {
  font-family: var(--font-heading);
  font-size: clamp(24px, 4.4vw, 36px);
  line-height: 1.28;
  margin: 0 0 10px;
  color: var(--ink-green);
}

.page-faq .faq-section__lede {
  margin: 0;
  font-size: 16px;
  color: rgba(11, 42, 32, 0.75);
  max-width: 62ch;
}

.page-faq .faq-main__p {
  margin: 0 0 18px;
  max-width: 66ch;
}

.page-faq .faq-main__p a {
  color: var(--tactic-blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(24, 69, 126, 0.35);
  transition: border-color var(--t) var(--ease), background-color var(--t) var(--ease);
}

.page-faq .faq-main__p a:hover,
.page-faq .faq-main__p a:focus-visible {
  border-bottom-color: var(--turf-green);
  background: rgba(255, 210, 63, 0.32);
}

/* ---------- details 步骤卡 ---------- */
.page-faq .step {
  border: 1px solid var(--line-color);
  border-radius: var(--radius-md);
  background: var(--paper-cream);
  margin-bottom: 12px;
  transition: border-color var(--t) var(--ease), background-color var(--t) var(--ease);
}

.page-faq .step:hover {
  border-color: var(--mid-turf);
}

.page-faq .step[open] {
  border-color: var(--turf-green);
  background: var(--chalk-white);
}

.page-faq .step > summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
  cursor: pointer;
  list-style: none;
  border-radius: var(--radius-md);
}

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

.page-faq .step > summary:focus-visible {
  outline: 2px solid var(--turf-green);
  outline-offset: 2px;
}

.page-faq .step__no {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
  color: var(--ink-green);
  background: var(--whistle-yellow);
  border-radius: var(--radius-pill);
  padding: 3px 10px;
}

.page-faq .step__title {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.55;
  color: var(--ink-green);
}

.page-faq .step__body {
  padding: 0 20px 18px 20px;
  border-top: 1px solid var(--line-color);
  margin-top: 2px;
  padding-top: 14px;
}

.page-faq .step__body p {
  margin: 0;
  font-size: 16px;
  max-width: 64ch;
}

/* ---------- 场景卡 ---------- */
.page-faq .faq-scene {
  margin-top: 22px;
  padding: 18px 20px;
  border-left: 3px solid var(--turf-green);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  background: linear-gradient(90deg, rgba(30, 122, 68, 0.1), rgba(24, 69, 126, 0.04));
}

.page-faq .faq-scene__label {
  font-family: var(--font-label);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--turf-green);
  margin: 0 0 6px;
}

.page-faq .faq-scene p {
  margin: 0;
  font-size: 16px;
  max-width: 64ch;
}

/* ---------- 筛选维度 ---------- */
.page-faq .dim-grid {
  display: grid;
  gap: 12px;
  margin-bottom: 22px;
}

.page-faq .dim-card {
  border: 1px solid var(--line-color);
  border-radius: var(--radius-md);
  background: var(--paper-cream);
  padding: 16px 18px;
  transition: border-color var(--t) var(--ease);
}

.page-faq .dim-card:hover {
  border-color: var(--mid-turf);
}

.page-faq .dim-card__tag {
  display: inline-block;
  font-family: var(--font-label);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--chalk-white);
  background: var(--turf-green);
  border-radius: var(--radius-pill);
  padding: 3px 12px;
  margin-bottom: 10px;
}

.page-faq .dim-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
}

.page-faq .faq-svg-wrap {
  margin: 0 0 22px;
  padding: 18px;
  border: 1px solid var(--line-color);
  border-radius: var(--radius-md);
  background: var(--chalk-white);
}

.page-faq .faq-svg {
  display: block;
  width: 100%;
  max-width: 420px;
  height: auto;
  color: var(--tactic-blue);
  margin: 0 auto;
}

.page-faq .faq-svg__frame {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.4;
  opacity: 0.5;
}

.page-faq .faq-svg__core {
  fill: var(--whistle-yellow);
  stroke: var(--turf-green);
  stroke-width: 1.6;
}

.page-faq .faq-svg-wrap__cap {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: 13px;
  color: rgba(11, 42, 32, 0.66);
  text-align: center;
}

.page-faq .combo {
  display: grid;
  gap: 12px;
  margin-bottom: 22px;
}

.page-faq .combo__item {
  border: 1px dashed var(--concrete-gray);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  background: rgba(237, 240, 231, 0.6);
}

.page-faq .combo__head {
  margin: 0 0 8px;
  font-weight: 700;
  font-size: 16px;
  color: var(--ink-green);
}

.page-faq .combo__no {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--tactic-blue);
  border: 1px solid var(--tactic-blue);
  border-radius: var(--radius-pill);
  padding: 2px 10px;
  margin-right: 8px;
}

.page-faq .combo__item p:last-child {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
}

/* ---------- 字段表 ---------- */
.page-faq .field-scroll {
  overflow-x: auto;
  padding-bottom: 6px;
  margin: 0 0 20px;
}

.page-faq .field-table {
  min-width: 640px;
  border: 1px solid var(--ink-green);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--chalk-white);
}

.page-faq .field-row {
  display: grid;
  grid-template-columns: 1.1fr 1fr 0.9fr 1fr 1.1fr;
  border-top: 1px solid var(--line-color);
}

.page-faq .field-row:first-child {
  border-top: 0;
}

.page-faq .field-cell {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 14px;
  line-height: 1.6;
  padding: 12px 14px;
  border-left: 1px solid var(--line-color);
  color: var(--ink-green);
  transition: background-color var(--t) var(--ease);
}

.page-faq .field-cell:first-child {
  border-left: 0;
}

.page-faq .field-row--head .field-cell {
  background: var(--ink-green);
  color: var(--chalk-white);
  font-size: 13px;
  letter-spacing: 0.02em;
}

.page-faq .field-cell--key {
  background: var(--whistle-yellow);
  color: var(--ink-green);
  font-weight: 700;
}

.page-faq .field-row:not(.field-row--head):hover .field-cell,
.page-faq .field-row:not(.field-row--head):focus-within .field-cell {
  background: rgba(79, 164, 107, 0.18);
}

.page-faq .field-row:not(.field-row--head):hover .field-cell--key,
.page-faq .field-row:not(.field-row--head):focus-within .field-cell--key {
  background: var(--whistle-yellow);
}

.page-faq .faq-figure {
  margin: 0 0 20px;
  border: 1px solid var(--line-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--paper-cream);
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-faq .faq-figure figcaption {
  padding: 10px 16px 12px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: rgba(11, 42, 32, 0.66);
  border-top: 1px solid var(--line-color);
}

/* ---------- 导出 ---------- */
.page-faq .export-split {
  display: grid;
  gap: 12px;
  margin-bottom: 22px;
}

.page-faq .export-card {
  border: 1px solid var(--line-color);
  border-radius: var(--radius-md);
  background: var(--paper-cream);
  padding: 18px 20px;
  transition: border-color var(--t) var(--ease);
}

.page-faq .export-card:hover {
  border-color: var(--turf-green);
}

.page-faq .export-card__tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--ink-green);
  background: var(--whistle-yellow);
  border-radius: var(--radius-pill);
  padding: 3px 12px;
  margin: 0 0 12px;
}

.page-faq .export-card h3 {
  font-family: var(--font-heading);
  font-size: 20px;
  line-height: 1.4;
  margin: 0 0 10px;
  color: var(--ink-green);
}

.page-faq .export-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
}

/* ---------- 邮件卡 ---------- */
.page-faq .mail-card {
  border: 1px solid var(--ink-green);
  border-radius: var(--radius-md);
  background: var(--ink-green);
  padding: 6px 18px;
  margin-bottom: 22px;
}

.page-faq .mail-card__row {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-top: 1px solid rgba(199, 203, 197, 0.28);
}

.page-faq .mail-card__row:first-child {
  border-top: 0;
}

.page-faq .mail-card__k {
  font-family: var(--font-label);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--whistle-yellow);
}

.page-faq .mail-card__v {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 15px;
  line-height: 1.7;
  color: var(--chalk-white);
  word-break: break-word;
}

/* ---------- 收尾 ---------- */
.page-faq .faq-cta {
  margin-top: 52px;
  padding-top: 40px;
  border-top: 1px solid var(--line-color);
}

.page-faq .faq-cta__inner {
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(30, 122, 68, 0.14), rgba(24, 69, 126, 0.08)), var(--paper-cream);
  border: 1px solid var(--line-color);
  padding: 26px 22px;
}

.page-faq .faq-cta__eyebrow {
  font-family: var(--font-label);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--turf-green);
  margin: 0 0 10px;
}

.page-faq .faq-cta h2 {
  font-family: var(--font-heading);
  font-size: clamp(22px, 4vw, 30px);
  line-height: 1.32;
  margin: 0 0 12px;
  color: var(--ink-green);
}

.page-faq .faq-cta__copy p {
  margin: 0 0 18px;
  font-size: 16px;
  max-width: 60ch;
}

.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-faq .dim-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .combo {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .export-split {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .mail-card__row {
    grid-template-columns: 140px 1fr;
    align-items: baseline;
    gap: 16px;
  }

  .page-faq .faq-cta__inner {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 32px;
    padding: 32px 30px;
  }

  .page-faq .faq-cta__copy p {
    margin-bottom: 0;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: center;
    gap: 44px;
  }

  .page-faq .faq-hero__figure {
    aspect-ratio: 4 / 3;
  }

  .page-faq .dim-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-layout {
    grid-template-columns: 262px minmax(0, 1fr);
    gap: 56px;
    padding: 56px 0 104px;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: 104px;
    align-self: start;
    padding: 22px 20px;
  }

  .page-faq .faq-hero {
    padding: 132px 0 56px;
  }

  .page-faq .faq-hero__figure {
    aspect-ratio: 5 / 4;
  }
}
<<<END>>>