.page-faq {
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font-body);
}

.page-faq .faq-sr {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

/* ---------- 面包屑 ---------- */
.page-faq .page-faq__crumb {
  padding-block: clamp(14px, 2.4vw, 24px) 0;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  padding-block: clamp(34px, 6vw, 84px) clamp(30px, 5vw, 68px);
  align-items: center;
}

.page-faq .faq-hero__copy {
  position: relative;
  z-index: 2;
  max-width: 46rem;
}

.page-faq .faq-hero__kicker {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 16px;
  font-family: var(--font-index);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--moss);
  text-transform: uppercase;
}

.page-faq .faq-hero__badge {
  display: inline-block;
  padding: 3px 8px;
  background: var(--deep);
  color: var(--cream);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
}

.page-faq .faq-hero__copy h1 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(28px, 5.4vw, 46px);
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--deep);
}

.page-faq .faq-hero__facts {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  font-family: var(--font-index);
  font-size: 13px;
  color: var(--stone);
}

.page-faq .faq-hero__facts li {
  padding-left: 14px;
  position: relative;
}

.page-faq .faq-hero__facts li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  background: var(--green);
  clip-path: polygon(0 0, 100% 0, 100% 62%, 62% 100%, 0 100%);
}

.page-faq .faq-hero__num {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
  color: var(--deep);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-faq .faq-hero__slab {
  position: relative;
  min-height: 116px;
  background: var(--deep);
  clip-path: polygon(0 0, 100% 0, 92% 100%, 8% 100%);
}

.page-faq .faq-hero__slab::before {
  content: "";
  position: absolute;
  left: 22%;
  top: 20%;
  width: 36%;
  height: 32%;
  border: 1px solid rgba(126, 211, 33, 0.55);
  clip-path: polygon(0 0, 100% 0, 100% 66%, 66% 100%, 0 100%);
}

.page-faq .faq-hero__slab::after {
  content: "";
  position: absolute;
  left: 22%;
  right: 22%;
  bottom: 22%;
  height: 3px;
  background: var(--green);
}

/* ---------- 章节通用 ---------- */
.page-faq .faq-section {
  padding-block: clamp(42px, 7vw, 92px);
}

.page-faq .faq-section + .faq-section {
  border-top: 1px solid var(--line);
}

.page-faq .section-head {
  margin-bottom: clamp(22px, 3.4vw, 40px);
}

/* ---------- 三步定位法 ---------- */
.page-faq .faq-steps {
  align-items: start;
}

.page-faq .faq-steps__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-faq .faq-step {
  background: var(--paper);
  padding: 20px 22px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
}

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

.page-faq .faq-step__title {
  margin: 0 0 8px;
  font-family: var(--font-index);
  font-weight: 600;
  font-size: 17px;
  letter-spacing: 0.01em;
  color: var(--deep);
}

.page-faq .faq-step__body p {
  margin: 0 0 8px;
  font-size: 15px;
  line-height: 1.7;
}

.page-faq .faq-step__where {
  margin: 0;
  font-family: var(--font-index);
  font-size: 12.5px;
  color: var(--stone);
  border-left: 3px solid var(--green);
  padding-left: 10px;
}

.page-faq .faq-steps__figure {
  margin: 24px 0 0;
}

/* ---------- 分类索引 ---------- */
.page-faq .faq-index {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}

.page-faq .leaf-rail {
  display: grid;
  gap: 14px;
}

.page-faq .leaf-rail__figure {
  display: none;
  margin: 0;
}

.page-faq .leaf-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
}

.page-faq .leaf-link {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px;
  padding: 8px 10px 10px;
  border-left: 3px solid var(--moss-soft);
  background: var(--paper);
  color: var(--ink);
  text-decoration: none;
  font-family: var(--font-index);
  font-size: 13px;
  line-height: 1.35;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%);
  transition: border-color 0.18s var(--ease), background-color 0.18s var(--ease);
}

.page-faq .leaf-link:hover,
.page-faq .leaf-link:focus-visible {
  border-left-color: var(--green);
  background: var(--cream);
}

.page-faq .leaf-code {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--stone);
  letter-spacing: 0.02em;
}

.page-faq .leaf-name {
  font-weight: 600;
  color: var(--deep);
}

/* 筛选条 */
.page-faq .faq-filter {
  display: grid;
  gap: 8px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-bottom: 0;
  background: var(--cream);
}

.page-faq .faq-filter__input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-index);
  font-size: 15px;
  line-height: 1.4;
}

.page-faq .faq-filter__input:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 1px;
}

.page-faq .faq-filter__status {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--stone);
}

.page-faq .faq-filter__empty {
  margin: 0;
  font-size: 13.5px;
  color: var(--clay);
}

/* 表格 */
.page-faq .faq-table-wrap {
  border: 1px solid var(--line);
  background: var(--paper);
}

.page-faq .faq-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.page-faq .faq-table th,
.page-faq .faq-table td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.page-faq .faq-table tbody tr:nth-child(4n) td {
  border-bottom-color: var(--moss-soft);
}

.page-faq .faq-table__code,
.page-faq .faq-table__count,
.page-faq .faq-table__state {
  width: 96px;
}

.page-faq .faq-row {
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-faq .faq-row:target td {
  background: rgba(126, 211, 33, 0.16);
}

.page-faq .faq-table__note {
  margin: 12px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--stone);
}

/* ---------- 编号解读 ---------- */
.page-faq .faq-code {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}

.page-faq .faq-code__figure {
  border: 1px solid var(--line);
  background: var(--paper);
  padding: 16px;
}

.page-faq .faq-code__svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-faq .faq-code__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
}

.page-faq .faq-code__list li {
  background: var(--paper);
  padding: 16px 18px;
}

.page-faq .faq-code__list h3 {
  margin: 0 0 6px;
  font-family: var(--font-index);
  font-size: 15.5px;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--deep);
  padding-left: 12px;
  border-left: 3px solid var(--green);
}

.page-faq .faq-code__list p {
  margin: 0;
  padding-left: 15px;
  font-size: 14.5px;
  line-height: 1.75;
}

/* ---------- 高频疑问 ---------- */
.page-faq .faq-qa {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-faq .faq-qa__item {
  background: var(--paper);
}

.page-faq .faq-qa__toggle {
  display: block;
  width: 100%;
  padding: 16px 18px;
  border: 0;
  background: var(--paper);
  color: var(--deep);
  text-align: left;
  font-family: var(--font-index);
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.5;
  cursor: pointer;
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-faq .faq-qa__toggle:hover,
.page-faq .faq-qa__toggle:focus-visible {
  background: var(--cream);
}

.page-faq .faq-qa__toggle[aria-expanded="true"] {
  color: var(--ink);
  box-shadow: inset 3px 0 0 var(--green);
}

.page-faq .faq-qa__panel {
  padding: 0 18px 18px 21px;
}

.page-faq .faq-qa__panel p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink);
  max-width: 62ch;
}

/* ---------- 术语对照 ---------- */
.page-faq .faq-terms {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-faq .faq-term {
  background: var(--paper);
  padding: 16px 18px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
}

.page-faq .faq-term__say {
  font-family: var(--font-index);
  font-size: 14px;
  color: var(--clay);
}

.page-faq .faq-term__arrow {
  display: none;
  color: var(--stone);
  font-family: var(--font-mono);
}

.page-faq .faq-term__use {
  font-family: var(--font-index);
  font-size: 15px;
  font-weight: 600;
  color: var(--deep);
}

.page-faq .faq-term__note {
  font-size: 13px;
  line-height: 1.7;
  color: var(--stone);
}

/* ---------- 纠错 ---------- */
.page-faq .faq-fix {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}

.page-faq .faq-fix__main h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--deep);
}

.page-faq .faq-fix__main p {
  margin: 0 0 12px;
  font-size: 15.5px;
  line-height: 1.78;
  max-width: 60ch;
}

.page-faq .faq-fix__disclosure {
  border: 1px solid var(--line);
  background: var(--paper);
}

.page-faq .faq-fix__toggle {
  display: block;
  width: 100%;
  padding: 15px 18px;
  border: 0;
  background: var(--deep);
  color: var(--cream);
  text-align: left;
  font-family: var(--font-index);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: background-color 0.2s var(--ease);
}

.page-faq .faq-fix__toggle:hover,
.page-faq .faq-fix__toggle:focus-visible {
  background: var(--forest);
}

.page-faq .faq-fix__toggle[aria-expanded="true"] {
  box-shadow: inset 3px 0 0 var(--green);
}

.page-faq .faq-fix__panel {
  padding: 16px 18px 20px;
}

.page-faq .faq-fix__panel p {
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.75;
}

.page-faq .faq-mail {
  font-family: var(--font-mono);
  font-size: 13.5px;
  color: var(--deep);
  border-bottom: 1px solid var(--green);
  word-break: break-all;
}

.page-faq .faq-fix__checklist {
  margin: 0 0 12px;
  padding-left: 18px;
  display: grid;
  gap: 6px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink);
}

.page-faq .faq-fix__checklist li::marker {
  color: var(--clay);
}

/* ---------- 相邻栏目 ---------- */
.page-faq .faq-links-section {
  background: var(--paper);
  border-top: 1px solid var(--line);
}

.page-faq .faq-links__title {
  margin: 0 0 22px;
  font-family: var(--font-display);
  font-size: clamp(19px, 2.6vw, 26px);
  font-weight: 700;
  color: var(--deep);
  letter-spacing: -0.01em;
}

.page-faq .faq-links__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-faq .faq-links__item {
  background: var(--paper);
  padding: 14px 16px;
  display: grid;
  gap: 4px;
}

.page-faq .faq-links__link {
  font-family: var(--font-index);
  font-size: 15px;
  font-weight: 600;
  color: var(--deep);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-faq .faq-links__link:hover,
.page-faq .faq-links__link:focus-visible {
  border-bottom-color: var(--green);
}

.page-faq .faq-links__desc {
  font-size: 13px;
  line-height: 1.65;
  color: var(--stone);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-step {
    grid-template-columns: 84px minmax(0, 1fr);
    gap: 4px 18px;
    align-items: start;
  }

  .page-faq .faq-filter {
    grid-template-columns: minmax(220px, 1fr) auto;
    align-items: center;
    gap: 8px 18px;
  }

  .page-faq .faq-filter__empty {
    grid-column: 1 / -1;
  }

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

  .page-faq .faq-term {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 4px 10px;
    align-items: baseline;
  }

  .page-faq .faq-term__say {
    grid-column: 1;
  }

  .page-faq .faq-term__arrow {
    display: block;
    grid-column: 2;
  }

  .page-faq .faq-term__use {
    grid-column: 1 / -1;
  }

  .page-faq .faq-term__note {
    grid-column: 1 / -1;
  }

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

@media (min-width: 900px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.12fr) minmax(220px, 0.88fr);
    gap: 48px;
  }

  .page-faq .faq-hero__slab {
    min-height: 268px;
  }

  .page-faq .faq-index {
    grid-template-columns: 214px minmax(0, 1fr);
    gap: 40px;
    align-items: start;
  }

  .page-faq .leaf-rail__figure {
    display: block;
  }

  .page-faq .leaf-list {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-faq .faq-code {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    gap: 40px;
  }

  .page-faq .faq-fix {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 40px;
  }

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

  .page-faq .faq-steps__figure {
    margin-top: 0;
  }
}

@media (max-width: 719px) {
  .page-faq .faq-table {
    min-width: 640px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .leaf-link,
  .page-faq .faq-qa__toggle,
  .page-faq .faq-fix__toggle {
    transition: none;
  }
}