.page-faq {
  --faq-hair: rgba(23, 51, 79, .85);
  background: var(--ink-900);
  color: var(--text-on-dark);
}

/* 首屏 */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(104px, 15vw, 148px) 0 clamp(44px, 7vw, 68px);
  background:
    radial-gradient(120% 82% at 80% 0%, rgba(49, 208, 195, .16), transparent 62%),
    radial-gradient(90% 70% at 6% 100%, rgba(231, 166, 60, .13), transparent 64%),
    var(--ink-900);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(90deg, var(--grid-minor) 1px, transparent 1px),
    linear-gradient(180deg, var(--grid-minor) 1px, transparent 1px);
  background-size: 120px 120px;
  opacity: .5;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 90%);
  mask-image: linear-gradient(180deg, #000 0%, transparent 90%);
}

.page-faq .faq-hero .wrap {
  position: relative;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 34px;
  margin-top: 26px;
}

.page-faq .faq-hero h1 {
  margin: 14px 0 0;
  max-width: 16em;
}

.page-faq .faq-hero .lede {
  margin-top: 18px;
  max-width: 34em;
  color: var(--text-on-dark);
}

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

.page-faq .faq-hero__figure {
  margin: 0;
  border: 1px solid var(--ink-700);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink-800);
  box-shadow: var(--shadow-card);
}

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

.page-faq .faq-hero__figure figcaption {
  padding: 12px 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--text-400);
  border-top: 1px solid var(--ink-700);
}

/* 四项权益 */
.page-faq .faq-rights {
  padding: clamp(48px, 8vw, 82px) 0 clamp(52px, 8vw, 84px);
  background: var(--ink-900);
}

.page-faq .faq-rights .section__head h2,
.page-faq .faq-quick .section__head h2 {
  color: var(--text-on-dark);
}

.page-faq .faq-rights .note,
.page-faq .faq-quick .note {
  color: var(--text-400);
}

.page-faq .rights-grid {
  display: grid;
  gap: 14px;
  margin-top: 32px;
}

.page-faq .rights-card {
  position: relative;
  padding: 24px 22px 26px;
  border: 1px solid var(--ink-700);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(23, 51, 79, .55), rgba(14, 31, 51, .92));
  transition: transform .35s var(--ease), border-color .35s var(--ease), box-shadow .35s var(--ease);
}

.page-faq .rights-card::before,
.page-faq .rights-card::after {
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  border: 1px solid var(--cyan-400);
  opacity: .65;
  pointer-events: none;
}

.page-faq .rights-card::before {
  top: -1px;
  left: -1px;
  border-right: 0;
  border-bottom: 0;
}

.page-faq .rights-card::after {
  right: -1px;
  bottom: -1px;
  border-left: 0;
  border-top: 0;
}

.page-faq .rights-card:hover {
  transform: translateY(-4px);
  border-color: rgba(49, 208, 195, .55);
  box-shadow: var(--shadow-card);
}

.page-faq .rights-card__no {
  display: inline-block;
  padding: 2px 9px;
  border: 1px solid rgba(49, 208, 195, .38);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--cyan-400);
}

.page-faq .rights-card h3 {
  margin: 15px 0 9px;
  font-size: 19px;
  letter-spacing: -.02em;
  color: var(--text-on-dark);
}

.page-faq .rights-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--text-400);
}

.page-faq .rights-card__list {
  margin: 16px 0 0;
  padding: 14px 0 0;
  list-style: none;
  display: grid;
  gap: 8px;
  border-top: 1px dashed var(--faq-hair);
}

.page-faq .rights-card__list li {
  position: relative;
  padding-left: 16px;
  font-size: 13.5px;
  line-height: 1.6;
  color: #C6D4E3;
}

.page-faq .rights-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 6px;
  height: 6px;
  border-radius: 2px;
  background: var(--amber-500);
}

/* 数据带 */
.page-faq .faq-band {
  background: var(--ink-800);
  border-top: 1px solid var(--ink-700);
  border-bottom: 1px solid var(--ink-700);
}

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

.page-faq .faq-band .data-band__cell {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 22px 18px;
  border-right: 1px solid var(--faq-hair);
  border-bottom: 1px solid rgba(23, 51, 79, .55);
}

.page-faq .faq-band .data-band__cell strong {
  font-family: var(--font-mono);
  font-size: clamp(20px, 3.4vw, 26px);
  letter-spacing: .02em;
  color: var(--amber-500);
}

.page-faq .faq-band .data-band__cell span {
  font-size: 13px;
  line-height: 1.5;
  color: var(--text-400);
}

/* 问答区 */
.page-faq .faq-answers {
  padding: clamp(52px, 8vw, 86px) 0;
  background: var(--paper-100);
  color: var(--text-800);
}

.page-faq .faq-answers .section__head h2 {
  color: var(--text-800);
}

.page-faq .faq-answers .note {
  color: var(--on-light-muted);
}

.page-faq .qa-layout {
  display: grid;
  gap: 26px;
  margin-top: 32px;
}

.page-faq .qa-index {
  padding: 20px 18px 22px;
  border: 1px solid #D6DFE8;
  border-radius: var(--radius);
  background: #FFFFFF;
}

.page-faq .qa-index__title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--on-light-muted);
}

.page-faq .qa-index__group {
  margin: 18px 0 6px;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--ink-700);
}

.page-faq .qa-index ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2px;
}

.page-faq .qa-index a {
  display: block;
  position: relative;
  padding: 7px 10px 7px 24px;
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--on-light-muted);
  text-decoration: none;
  border-radius: 6px;
  transition: background .25s var(--ease), color .25s var(--ease);
}

.page-faq .qa-index a::before {
  content: "›";
  position: absolute;
  left: 9px;
  top: 6px;
  color: var(--cyan-deep);
}

.page-faq .qa-index a:hover,
.page-faq .qa-index a[aria-current="true"] {
  background: rgba(49, 208, 195, .14);
  color: var(--ink-900);
}

.page-faq .qa-body {
  display: grid;
  gap: 34px;
  min-width: 0;
}

.page-faq .qa-group > h3 {
  margin: 0 0 14px;
  padding-left: 12px;
  border-left: 3px solid var(--amber-500);
  font-size: 16px;
  letter-spacing: .02em;
  color: var(--ink-800);
}

.page-faq .qa-item {
  margin-bottom: 10px;
  border: 1px solid #D8E1EA;
  border-radius: var(--radius);
  background: #FFFFFF;
  overflow: hidden;
  transition: border-color .25s var(--ease), box-shadow .25s var(--ease);
}

.page-faq .qa-item:target {
  border-color: var(--amber-500);
  box-shadow: 0 0 0 3px rgba(231, 166, 60, .22);
}

.page-faq .qa-item summary,
.page-faq .quick-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--text-800);
}

.page-faq .qa-item summary::-webkit-details-marker,
.page-faq .quick-item summary::-webkit-details-marker {
  display: none;
}

.page-faq .qa-item[open] summary {
  background: rgba(49, 208, 195, .1);
}

.page-faq .qa-item__q {
  min-width: 0;
}

.page-faq .qa-item__icon {
  position: relative;
  flex: none;
  width: 18px;
  height: 18px;
  border: 1px solid #B9C8D6;
  border-radius: 4px;
}

.page-faq .qa-item__icon::before,
.page-faq .qa-item__icon::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--cyan-deep);
  transform: translate(-50%, -50%);
  transition: transform .25s var(--ease), opacity .25s var(--ease);
}

.page-faq .qa-item__icon::before {
  width: 10px;
  height: 2px;
}

.page-faq .qa-item__icon::after {
  width: 2px;
  height: 10px;
}

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

.page-faq .qa-item__body {
  padding: 0 18px 18px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--on-light-muted);
}

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

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

.page-faq .qa-item__body .link-arrow {
  color: var(--cyan-deep);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid rgba(11, 122, 116, .35);
}

.page-faq .qa-item__body .link-arrow:hover {
  border-bottom-color: var(--cyan-deep);
}

/* 路径对照 */
.page-faq .path-compare {
  display: grid;
  gap: 16px;
  margin: 0 0 20px;
  padding: 20px;
  border-radius: var(--radius);
  background: linear-gradient(150deg, rgba(23, 51, 79, .96), var(--ink-900));
  border: 1px solid var(--ink-700);
}

.page-faq .path-row {
  display: grid;
  gap: 9px;
}

.page-faq .path-row__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--text-400);
}

.page-faq .path-steps {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-faq .path-step {
  display: grid;
  place-items: center;
  width: 28px;
  height: 26px;
  border: 1px solid var(--ink-700);
  border-radius: 5px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--text-400);
}

.page-faq .path-row--old .path-step--cut {
  border-color: rgba(231, 166, 60, .5);
  color: var(--amber-500);
  text-decoration: line-through;
}

.page-faq .path-row--new .path-step {
  border-color: rgba(49, 208, 195, .55);
  background: rgba(49, 208, 195, .12);
  color: var(--cyan-400);
}

.page-faq .path-row__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: #BCCBDA;
}

/* 速查与联系 */
.page-faq .faq-quick {
  padding: clamp(52px, 8vw, 86px) 0;
  background:
    radial-gradient(90% 70% at 88% 0%, rgba(49, 208, 195, .12), transparent 62%),
    var(--ink-900);
  border-top: 1px solid var(--ink-700);
}

.page-faq .quick-list {
  margin-top: 30px;
  display: grid;
  gap: 10px;
}

.page-faq .quick-item {
  border: 1px solid var(--ink-700);
  border-radius: var(--radius);
  background: var(--ink-800);
  overflow: hidden;
}

.page-faq .quick-item summary {
  color: var(--text-on-dark);
}

.page-faq .quick-item[open] summary {
  background: rgba(49, 208, 195, .1);
}

.page-faq .quick-item .qa-item__icon {
  border-color: rgba(157, 174, 194, .45);
}

.page-faq .quick-item .qa-item__icon::before,
.page-faq .quick-item .qa-item__icon::after {
  background: var(--cyan-400);
}

.page-faq .quick-item .qa-item__body {
  color: var(--text-400);
}

.page-faq .quick-item .qa-item__body .link-arrow {
  color: var(--amber-200);
  border-bottom-color: rgba(246, 215, 154, .4);
}

.page-faq .quick-item .qa-item__body .link-arrow:hover {
  border-bottom-color: var(--amber-200);
}

.page-faq .faq-cta {
  display: grid;
  gap: 20px;
  margin-top: 34px;
  padding: 26px 22px;
  border: 1px solid var(--ink-700);
  border-radius: var(--radius);
  background: linear-gradient(120deg, rgba(231, 166, 60, .16), rgba(49, 208, 195, .1));
}

.page-faq .faq-cta h2 {
  margin: 0 0 8px;
  font-size: clamp(20px, 3vw, 26px);
  letter-spacing: -.02em;
  color: var(--text-on-dark);
}

.page-faq .faq-cta p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: #C6D4E3;
}

.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

@media (min-width: 760px) {
  .page-faq .faq-band .data-band {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: center;
    gap: 48px;
  }

  .page-faq .rights-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
    align-items: start;
  }

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

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

  .page-faq .rights-card:nth-child(4) {
    margin-top: 84px;
  }

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

  .page-faq .faq-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    padding: 30px 32px;
  }
}

@media (min-width: 980px) {
  .page-faq .qa-layout {
    grid-template-columns: 258px minmax(0, 1fr);
    gap: 52px;
    align-items: start;
  }

  .page-faq .qa-index {
    position: sticky;
    top: 112px;
    max-height: calc(100vh - 140px);
    overflow-y: auto;
  }

  .page-faq .path-compare {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
    padding: 24px;
  }
}

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

  .page-faq .rights-card:hover {
    transform: none;
  }
}