.page-faq {
  --faq-measure: 62ch;
  background: var(--ink);
  color: var(--text);
  padding: calc(var(--header-h) + 56px) 0 120px;
  overflow-x: clip;
}

.page-faq .mono {
  font-family: var(--font-mono);
}

/* ---------- 外壳与索引轴 ---------- */
.page-faq .faq-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
}

.page-faq .faq-axis {
  position: static;
}

.page-faq .faq-axis .axis__list {
  display: flex;
  flex-direction: row;
  gap: 4px;
  list-style: none;
  margin: 0;
  padding: 0 0 14px;
  overflow-x: auto;
  scrollbar-width: none;
  border-bottom: 1px solid rgba(201, 211, 218, 0.22);
}

.page-faq .faq-axis .axis__list::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-axis .axis__item {
  flex: 0 0 auto;
}

.page-faq .axis__link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  color: var(--slate);
  text-decoration: none;
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .axis__link:hover,
.page-faq .axis__link:focus-visible,
.page-faq .axis__link.is-active {
  color: var(--copper-2);
  border-bottom-color: var(--copper);
}

.page-faq .axis__index {
  font-size: 11.5px;
  letter-spacing: 0.1em;
}

.page-faq .axis__dot {
  display: inline-block;
  width: 5px;
  height: 5px;
  background: currentColor;
}

.page-faq .faq-axis__label {
  font-family: var(--font-sans);
  font-size: 13.5px;
}

.page-faq .faq-flow {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

/* ---------- 首屏框景 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: 30px 0 48px;
  border-top: 1px solid rgba(201, 211, 218, 0.25);
  border-bottom: 4px solid var(--copper);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 100%;
  height: 8px;
  background-image: repeating-linear-gradient(90deg, var(--copper) 0 2px, transparent 2px 24px);
  opacity: 0.5;
  pointer-events: none;
}

.page-faq .faq-crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  font-family: var(--font-sans);
  font-size: 12.5px;
  color: var(--slate);
}

.page-faq .faq-crumbs li:not(:first-child)::before {
  content: "/";
  margin: 0 8px;
  color: var(--slate);
}

.page-faq .breadcrumbs__link {
  color: var(--copper-2);
  text-decoration: none;
}

.page-faq .breadcrumbs__link:hover {
  color: var(--ice);
}

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

.page-faq .faq-hero__main {
  min-width: 0;
}

.page-faq .eyebrow {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--copper-2);
}

.page-faq .faq-hero__title {
  margin: 16px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(32px, 6vw, 60px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-faq .faq-hero__lead {
  margin: 22px 0 0;
  max-width: var(--faq-measure);
  font-family: var(--font-body);
  font-size: 16.5px;
  line-height: 1.9;
  color: rgba(247, 250, 252, 0.84);
}

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

.page-faq .faq-hero__aside {
  align-self: start;
  padding: 26px 22px 28px;
  background: var(--ink-2);
  border: 1px solid rgba(201, 211, 218, 0.24);
  border-top: 4px solid var(--ice);
}

.page-faq .faq-aside__head {
  margin: 0 0 20px;
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--ice);
}

.page-faq .faq-aside__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-faq .faq-aside__row {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 13px;
  border-bottom: 1px solid rgba(201, 211, 218, 0.2);
}

.page-faq .faq-aside__row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-faq .faq-aside__num {
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--copper-2);
}

.page-faq .faq-aside__label {
  font-family: var(--font-sans);
  font-size: 16px;
  color: var(--text);
}

.page-faq .faq-aside__note {
  margin: 22px 0 0;
  font-family: var(--font-body);
  font-size: 13.5px;
  line-height: 1.8;
  color: rgba(247, 250, 252, 0.6);
}

/* ---------- 章节通用 ---------- */
.page-faq .faq-section {
  padding-top: 104px;
}

.page-faq .section-head {
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: var(--faq-measure);
}

.page-faq .section-head__index {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: 0.18em;
  color: var(--copper-2);
}

.page-faq .section-head__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(23px, 3.4vw, 33px);
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-faq .section-head__lead {
  margin: 0;
  font-family: var(--font-body);
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(247, 250, 252, 0.76);
}

/* ---------- 01 情形对号入座 ---------- */
.page-faq .triage {
  margin-top: 44px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
  align-items: start;
}

.page-faq .triage__card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 26px 22px 28px;
  background: var(--ink-2);
  border: 1px solid rgba(201, 211, 218, 0.24);
  border-left: 4px solid var(--copper);
  transition: transform 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .triage__card:hover {
  transform: translateY(-2px);
  border-color: var(--copper-2);
  border-left-color: var(--copper-2);
}

.page-faq .triage__num {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--ice);
}

.page-faq .triage__title {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 17.5px;
  line-height: 1.5;
  color: var(--text);
}

.page-faq .triage__text {
  margin: 0;
  flex: 1;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.85;
  color: rgba(247, 250, 252, 0.76);
}

.page-faq .triage__link {
  align-self: flex-start;
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--ice);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid rgba(127, 196, 232, 0.45);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .triage__link:hover,
.page-faq .triage__link:focus-visible {
  color: var(--copper-2);
  border-bottom-color: var(--copper-2);
}

/* ---------- 02 三步流程 ---------- */
.page-faq .steps {
  position: relative;
  margin-top: 46px;
}

.page-faq .steps::before {
  content: "";
  position: absolute;
  left: 27px;
  top: 10px;
  bottom: 56px;
  width: 1px;
  background: linear-gradient(180deg, var(--ice) 0%, rgba(127, 196, 232, 0.18) 100%);
  pointer-events: none;
}

.page-faq .step {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 18px;
  padding-bottom: 40px;
}

.page-faq .step + .step {
  padding-top: 40px;
  border-top: 1px solid rgba(201, 211, 218, 0.16);
}

.page-faq .step__rail {
  position: relative;
  z-index: 1;
}

.page-faq .step__num {
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  background: var(--ink-2);
  border: 1px solid var(--ice);
  color: var(--ice);
  font-size: 20px;
  line-height: 1;
}

.page-faq .step__body {
  min-width: 0;
  padding-top: 4px;
}

.page-faq .step__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 21px;
  line-height: 1.35;
  color: var(--text);
}

.page-faq .step__text {
  margin: 12px 0 0;
  max-width: var(--faq-measure);
  font-family: var(--font-body);
  font-size: 15.5px;
  line-height: 1.9;
  color: rgba(247, 250, 252, 0.82);
}

.page-faq .step__check {
  margin: 16px 0 0;
  max-width: var(--faq-measure);
  padding: 11px 15px;
  background: rgba(127, 196, 232, 0.08);
  border-left: 3px solid var(--ice);
  font-family: var(--font-sans);
  font-size: 13.5px;
  line-height: 1.75;
  color: rgba(247, 250, 252, 0.88);
}

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

.page-faq .faq-figure .image-frame__canvas {
  background: var(--ink-2);
  border: 1px solid rgba(201, 211, 218, 0.24);
  overflow: hidden;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(0.55) brightness(0.94) contrast(1.04);
}

.page-faq .faq-figure .image-frame__caption {
  margin: 12px 0 0;
  max-width: var(--faq-measure);
  font-family: var(--font-body);
  font-size: 13.5px;
  line-height: 1.8;
  color: rgba(247, 250, 252, 0.58);
}

/* ---------- 03 同步自查 ---------- */
.page-faq .sync-grid {
  margin-top: 42px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
}

.page-faq .check-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-faq .check-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 18px;
  background: var(--ink-2);
  border-left: 1px solid transparent;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .check-item:hover {
  background: #14293f;
  border-left-color: var(--ice);
}

.page-faq .check-item__box {
  flex: 0 0 auto;
  width: 15px;
  height: 15px;
  margin-top: 4px;
  border: 1px solid var(--ice);
  background: transparent;
}

.page-faq .check-item__text {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.8;
  color: rgba(247, 250, 252, 0.86);
}

.page-faq .faq-figure--tall {
  margin: 0;
}

/* ---------- 04 折叠问答 ---------- */
.page-faq .qa-groups {
  margin-top: 40px;
  display: flex;
  flex-direction: column;
  gap: 52px;
}

.page-faq .qa-group__title {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: 0.02em;
  color: var(--text);
}

.page-faq .qa-group__tag {
  display: inline-block;
  padding: 3px 9px;
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--copper-2);
  border: 1px solid rgba(176, 122, 60, 0.55);
}

.page-faq .accordion__item {
  border-bottom: 1px solid rgba(201, 211, 218, 0.2);
}

.page-faq .qa-heading {
  margin: 0;
  font-weight: 400;
}

.page-faq .accordion__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 19px 4px;
  background: none;
  border: 0;
  text-align: left;
  cursor: pointer;
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 15.5px;
  line-height: 1.6;
  transition: color 0.18s var(--ease);
}

.page-faq .accordion__trigger:hover {
  color: var(--copper-2);
}

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

.page-faq .accordion__trigger[aria-expanded="true"] {
  color: var(--ice);
}

.page-faq .accordion__arrow {
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  margin-right: 6px;
  border-right: 1.5px solid var(--slate);
  border-bottom: 1.5px solid var(--slate);
  transform: rotate(45deg);
  transition: transform 0.24s var(--ease), border-color 0.24s var(--ease);
}

.page-faq .accordion__trigger[aria-expanded="true"] .accordion__arrow {
  border-color: var(--ice);
  transform: rotate(-135deg);
}

.page-faq .accordion__panel {
  display: block;
  overflow: hidden;
}

.page-faq .accordion__panel[hidden] {
  display: none;
}

.page-faq .accordion__body {
  max-width: 68ch;
  padding: 0 6px 22px;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.9;
  color: rgba(247, 250, 252, 0.8);
}

.page-faq .accordion__body p {
  margin: 0 0 10px;
}

.page-faq .accordion__body p:last-child {
  margin-bottom: 0;
}

/* ---------- 05 电脑端 ---------- */
.page-faq .desktop-grid {
  margin-top: 42px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
  align-items: start;
}

.page-faq .desktop-card {
  padding: 28px 22px 30px;
  border: 1px solid rgba(201, 211, 218, 0.24);
}

.page-faq .desktop-card--paper {
  background: var(--paper);
  color: var(--ink);
}

.page-faq .desktop-card--slate {
  background: var(--ink-2);
  color: var(--text);
}

.page-faq .desktop-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.4;
}

.page-faq .desktop-list {
  list-style: none;
  counter-reset: dl;
  margin: 18px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 13px;
}

.page-faq .desktop-list li {
  position: relative;
  padding-left: 30px;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.8;
}

.page-faq .desktop-list li::before {
  counter-increment: dl;
  content: counter(dl);
  position: absolute;
  left: 0;
  top: 3px;
  display: grid;
  place-items: center;
  width: 18px;
  height: 18px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--copper);
  border: 1px solid currentColor;
}

.page-faq .desktop-card__note {
  margin: 20px 0 0;
  font-family: var(--font-body);
  font-size: 13.5px;
  line-height: 1.8;
  color: rgba(107, 126, 140, 0.95);
}

.page-faq .desktop-card--slate .desktop-card__note {
  color: rgba(247, 250, 252, 0.6);
}

.page-faq .desktop-card__link {
  display: inline-block;
  margin-top: 18px;
}

.page-faq .desktop-card__links {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-top: 18px;
}

.page-faq .text-link {
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--copper);
  text-decoration: none;
  border-bottom: 1px solid rgba(176, 122, 60, 0.45);
  padding-bottom: 2px;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .text-link:hover,
.page-faq .text-link:focus-visible {
  color: var(--ice-2);
  border-bottom-color: var(--ice-2);
}

.page-faq .desktop-card--slate .text-link {
  color: var(--ice);
  border-bottom-color: rgba(127, 196, 232, 0.45);
}

.page-faq .desktop-card--slate .text-link:hover {
  color: var(--copper-2);
  border-bottom-color: var(--copper-2);
}

.page-faq .faq-ledger {
  margin-top: 18px;
  border-top: 1px solid rgba(201, 211, 218, 0.3);
}

.page-faq .faq-ledger__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(201, 211, 218, 0.18);
}

.page-faq .faq-ledger__key {
  font-family: var(--font-sans);
  font-size: 14.5px;
  color: rgba(247, 250, 252, 0.78);
}

.page-faq .faq-ledger__value {
  font-size: 13.5px;
  letter-spacing: 0.04em;
  color: var(--ice);
}

/* ---------- 收尾 ---------- */
.page-faq .far-help {
  margin-top: 104px;
  padding: 34px 24px 36px;
  background: var(--ink-2);
  border-top: 4px solid var(--copper);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}

.page-faq .far-help__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(21px, 2.8vw, 28px);
  line-height: 1.3;
  color: var(--text);
}

.page-faq .far-help__text {
  margin: 14px 0 0;
  max-width: 58ch;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.85;
  color: rgba(247, 250, 252, 0.8);
}

.page-faq .far-help__side {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
}

.page-faq .far-help__contact {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.9;
  color: var(--copper-2);
}

/* ---------- 断点 ---------- */
@media (max-width: 640px) {
  .page-faq {
    padding: calc(var(--header-h) + 36px) 0 88px;
  }

  .page-faq .faq-section {
    padding-top: 80px;
  }

  .page-faq .step {
    grid-template-columns: 44px minmax(0, 1fr);
    gap: 14px;
  }

  .page-faq .step__num {
    width: 44px;
    height: 44px;
    font-size: 17px;
  }

  .page-faq .steps::before {
    left: 21px;
    bottom: 48px;
  }

  .page-faq .far-help {
    margin-top: 80px;
  }

  .page-faq .faq-hero__actions .button {
    flex: 1 1 auto;
    justify-content: center;
  }
}

@media (min-width: 860px) {
  .page-faq .triage {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }

  .page-faq .triage__card:nth-child(2) {
    margin-top: 28px;
  }

  .page-faq .triage__card:nth-child(3) {
    margin-top: 56px;
  }

  .page-faq .desktop-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 24px;
  }

  .page-faq .far-help {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: center;
    padding: 46px 44px;
  }
}

@media (min-width: 900px) {
  .page-faq .sync-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
    gap: 52px;
    align-items: start;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-shell {
    grid-template-columns: var(--axis-w) minmax(0, 1fr);
    gap: 44px;
    align-items: start;
  }

  .page-faq .faq-axis {
    position: sticky;
    top: calc(var(--header-h) + 24px);
    align-self: start;
  }

  .page-faq .faq-axis .axis__list {
    flex-direction: column;
    gap: 4px;
    padding: 0;
    overflow: visible;
    border-bottom: 0;
  }

  .page-faq .axis__link {
    padding: 7px 0 7px 12px;
    border-bottom: 0;
    border-left: 2px solid transparent;
  }

  .page-faq .axis__link:hover,
  .page-faq .axis__link:focus-visible,
  .page-faq .axis__link.is-active {
    border-bottom-color: transparent;
    border-left-color: var(--copper);
  }

  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 56px;
  }

  .page-faq .faq-section {
    padding-top: 132px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .triage__card,
  .page-faq .check-item,
  .page-faq .accordion__arrow,
  .page-faq .axis__link,
  .page-faq .accordion__trigger {
    transition: none;
  }

  .page-faq .triage__card:hover {
    transform: none;
  }
}