.page-faq {
  --faq-line: rgba(26, 33, 29, .16);
  --faq-ink-soft: rgba(26, 33, 29, .64);
  --faq-on-dark-soft: rgba(232, 229, 218, .8);
  background: var(--cream);
  color: var(--text-dark);
}

.page-faq .faq-h2 {
  margin: 8px 0 0;
  font-size: var(--fs-6);
  line-height: 1.14;
  font-weight: 800;
  letter-spacing: -.012em;
  color: inherit;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: var(--text-on-dark);
  padding: clamp(20px, 3.6vw, 36px) 0 clamp(36px, 5.5vw, 72px);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(114deg, transparent 0 40px, rgba(228, 255, 168, .055) 40px 41px);
  pointer-events: none;
}

.page-faq .faq-hero .z9-wrap {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero .z9-breadcrumb,
.page-faq .faq-hero .z9-breadcrumb__item,
.page-faq .faq-hero .z9-breadcrumb__item a {
  color: var(--grey);
  text-decoration: none;
}

.page-faq .faq-hero .z9-breadcrumb__item a:hover,
.page-faq .faq-hero .z9-breadcrumb__item a:focus-visible {
  color: var(--lime);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 28px;
  margin-top: clamp(18px, 3vw, 30px);
}

.page-faq .faq-hero__verdict {
  margin: 0;
  padding-left: 12px;
  border-left: 3px solid var(--orange);
  font-size: var(--fs-3);
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--lime);
}

.page-faq .faq-hero__title {
  margin: 16px 0 0;
  font-size: var(--fs-7);
  line-height: 1.03;
  font-weight: 900;
  letter-spacing: -.024em;
  color: var(--cream);
}

.page-faq .faq-hero__lede {
  margin: 18px 0 0;
  max-width: 50ch;
  font-size: var(--fs-4);
  line-height: 1.75;
  color: var(--faq-on-dark-soft);
}

.page-faq .faq-hero__jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin: 26px 0 0;
  padding: 16px 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-faq .faq-hero__jump a {
  font-family: var(--font-mono);
  font-size: var(--fs-1);
  letter-spacing: .08em;
  color: var(--text-on-dark);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
}

.page-faq .faq-hero__jump a:hover,
.page-faq .faq-hero__jump a:focus-visible {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

.page-faq .faq-hero__fig {
  margin: 0;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--ink-2);
}

.page-faq .faq-hero__fig img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.65) contrast(1.06);
}

/* ---------- 索引卡片墙 ---------- */
.page-faq .faq-wall {
  padding: clamp(32px, 5vw, 64px) 0 clamp(40px, 6vw, 80px);
}

.page-faq .faq-banner {
  margin: 0 0 clamp(24px, 3.4vw, 36px);
}

.page-faq .faq-banner .z9-figure__media {
  overflow: hidden;
  border: 1px solid var(--faq-line);
}

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

.page-faq .faq-banner .z9-figure__cap {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: var(--fs-1);
  letter-spacing: .1em;
  color: var(--faq-ink-soft);
}

.page-faq .faq-wall__head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 12px 28px;
  padding-bottom: 18px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-wall__head .z9-eyebrow {
  color: var(--faq-ink-soft);
}

.page-faq .faq-wall__note {
  margin: 0;
  max-width: 36ch;
  font-size: var(--fs-2);
  line-height: 1.7;
  color: var(--faq-ink-soft);
}

.page-faq .faq-wall__inner {
  display: grid;
  gap: 22px;
}

.page-faq .faq-rail {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding-bottom: 8px;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-rail__link {
  flex: 0 0 auto;
  white-space: nowrap;
  padding: 7px 10px;
  border: 1px solid var(--faq-line);
  font-family: var(--font-mono);
  font-size: var(--fs-1);
  letter-spacing: .08em;
  color: var(--text-dark);
  text-decoration: none;
}

.page-faq .faq-rail__link:hover,
.page-faq .faq-rail__link:focus-visible {
  border-color: var(--text-dark);
  background: rgba(198, 242, 78, .38);
}

.page-faq .faq-cats {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px 20px;
}

.page-faq .faq-cat {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-top: 14px;
  border-top: 2px solid var(--ink);
  scroll-margin-top: calc(var(--topbar-h) + 20px);
  transition: border-color .18s var(--ease), background-color .18s var(--ease);
}

.page-faq .faq-cat:target {
  border-top-color: var(--orange);
  background: rgba(198, 242, 78, .22);
}

.page-faq .faq-cat__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 10px;
}

.page-faq .faq-cat__num {
  font-family: var(--font-mono);
  font-size: var(--fs-2);
  letter-spacing: .06em;
  padding: 3px 7px;
  background: var(--ink);
  color: var(--lime);
}

.page-faq .faq-cat__title {
  margin: 0;
  font-size: var(--fs-5);
  font-weight: 800;
  letter-spacing: -.012em;
  line-height: 1.2;
}

.page-faq .faq-cat__count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: var(--fs-1);
  letter-spacing: .12em;
  color: var(--faq-ink-soft);
}

.page-faq .faq-q {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-q__item {
  position: relative;
  padding: 9px 0 9px 18px;
  font-size: var(--fs-3);
  line-height: 1.55;
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-q__item::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 17px;
  width: 6px;
  height: 6px;
  background: var(--ink);
}

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

.page-faq .faq-more summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: var(--fs-1);
  letter-spacing: .12em;
  color: var(--faq-ink-soft);
}

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

.page-faq .faq-more summary::after {
  content: "+";
  font-size: 14px;
  line-height: 1;
  color: var(--ink);
}

.page-faq .faq-more[open] summary::after {
  content: "\2212";
}

.page-faq .faq-more summary:hover {
  color: var(--text-dark);
}

.page-faq .faq-more__list {
  margin: 0;
  padding: 0 0 8px;
  list-style: none;
  animation: faq-drop .22s var(--ease);
}

.page-faq .faq-more__list li {
  position: relative;
  padding: 6px 0 6px 18px;
  font-size: var(--fs-3);
  line-height: 1.55;
  color: rgba(26, 33, 29, .78);
}

.page-faq .faq-more__list li::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 14px;
  width: 8px;
  height: 1px;
  background: var(--grey);
}

.page-faq .faq-cat__link {
  align-self: flex-start;
  margin-top: auto;
  padding-bottom: 2px;
  font-size: var(--fs-2);
  color: var(--text-dark);
  text-decoration: none;
  border-bottom: 1px solid var(--text-dark);
}

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

@keyframes faq-drop {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 高频速查 ---------- */
.page-faq .faq-hot {
  background: var(--ink-2);
  color: var(--text-on-dark);
  padding: clamp(34px, 5vw, 64px) 0;
}

.page-faq .faq-hot .z9-eyebrow {
  color: var(--lime);
}

.page-faq .faq-hot .faq-h2 {
  color: var(--cream);
}

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

.page-faq .faq-sec__note {
  margin: 10px 0 0;
  max-width: 54ch;
  font-size: var(--fs-2);
  line-height: 1.7;
  color: var(--grey);
}

.page-faq .faq-hot__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-hot__item {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  grid-template-rows: auto auto;
  column-gap: 10px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
}

.page-faq .faq-hot__num {
  grid-row: 1 / span 2;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: var(--fs-1);
  letter-spacing: .1em;
  color: var(--lime);
}

.page-faq .faq-hot__q {
  font-size: var(--fs-3);
  line-height: 1.55;
  color: var(--text-on-dark);
}

.page-faq .faq-hot__tag {
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .16em;
  color: var(--grey);
}

/* ---------- 联系出口 ---------- */
.page-faq .faq-help {
  background: var(--ink);
  color: var(--text-on-dark);
  border-top: 1px solid var(--line);
  padding: clamp(34px, 5vw, 68px) 0 clamp(40px, 6vw, 76px);
}

.page-faq .faq-help .z9-eyebrow {
  color: var(--grey);
}

.page-faq .faq-help .faq-h2 {
  color: var(--cream);
}

.page-faq .faq-help__grid {
  display: grid;
  gap: 30px;
}

.page-faq .faq-help__text {
  margin: 14px 0 0;
  max-width: 44ch;
  font-size: var(--fs-3);
  line-height: 1.8;
  color: var(--faq-on-dark-soft);
}

.page-faq .faq-help__mail {
  margin: 18px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(15px, 2vw, 21px);
  letter-spacing: .02em;
  color: var(--lime);
  word-break: break-all;
}

.page-faq .faq-help__note {
  margin: 10px 0 0;
  max-width: 42ch;
  font-size: var(--fs-2);
  line-height: 1.7;
  color: var(--grey);
}

.page-faq .faq-help__paths {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-faq .faq-help__panel {
  padding: 20px;
  background: var(--ink-3);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
}

.page-faq .faq-help__panel h3 {
  margin: 0 0 8px;
  font-size: var(--fs-4);
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--cream);
}

.page-faq .faq-help__panel p {
  margin: 0 0 16px;
  font-size: var(--fs-2);
  line-height: 1.75;
  color: rgba(232, 229, 218, .76);
}

.page-faq .faq-help__panel .z9-btn {
  font-size: var(--fs-2);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-cats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-hot__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 44px;
  }
}

@media (min-width: 860px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 40px;
    align-items: end;
  }

  .page-faq .faq-help__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    gap: 48px;
  }
}

@media (min-width: 1040px) {
  .page-faq .faq-wall__inner {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 32px;
  }

  .page-faq .faq-rail {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
    position: sticky;
    top: calc(var(--topbar-h) + 24px);
    align-self: start;
  }

  .page-faq .faq-rail__link {
    border: 0;
    border-left: 1px solid var(--faq-line);
    padding: 8px 0 8px 12px;
    background: none;
  }

  .page-faq .faq-rail__link:hover,
  .page-faq .faq-rail__link:focus-visible {
    border-left-color: var(--orange);
    background: none;
    color: var(--ink);
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-cats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-more__list {
    animation: none;
  }

  .page-faq .faq-cat {
    transition: none;
  }
}