.page-faq {
  --faq-card-bg: var(--c-panel);
  --faq-hair: var(--c-line);
  --faq-cyan-soft: rgba(34, 224, 214, .14);
  --faq-orange-soft: rgba(255, 122, 47, .14);
}

/* ---------- 面包屑与首屏 ---------- */
.page-faq .crumbs {
  padding-top: 22px;
  margin-bottom: 20px;
}

.page-faq .crumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .07em;
  color: var(--c-mute);
}

.page-faq .crumbs__list a {
  color: var(--c-body);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s ease, border-color .2s ease;
}

.page-faq .crumbs__list a:hover {
  color: var(--c-cyan);
  border-bottom-color: var(--c-cyan);
}

.page-faq .crumbs__list li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--c-line);
}

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

.page-faq .faq-hero__copy {
  max-width: 720px;
}

.page-faq .eyebrow {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .12em;
  color: var(--c-cyan);
  margin: 0;
}

.page-faq .faq-hero__title {
  font-size: clamp(40px, 8vw, 76px);
  line-height: 1.02;
  letter-spacing: -.025em;
  margin: 12px 0 16px;
}

.page-faq .lede {
  max-width: 60ch;
  font-size: var(--fs-18);
  line-height: 1.75;
  color: var(--c-body);
  margin: 0;
}

.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-jump__link {
  display: inline-block;
  padding: 8px 15px;
  border: 1px solid var(--faq-hair);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .06em;
  color: var(--c-body);
  text-decoration: none;
  transition: color .2s ease, border-color .2s ease, background .2s ease;
}

.page-faq .faq-jump__link:hover,
.page-faq .faq-jump__link:focus-visible {
  color: var(--c-cyan);
  border-color: var(--c-cyan);
  background: var(--faq-cyan-soft);
}

/* 首屏数据格 */
.page-faq .faq-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--faq-hair);
  border: 1px solid var(--faq-hair);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-faq .faq-metric {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 14px;
  background: var(--faq-card-bg);
}

.page-faq .faq-metric .num {
  font-family: var(--font-mono);
  font-size: 30px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--c-cyan);
}

.page-faq .faq-metric__label {
  font-size: 13px;
  line-height: 1.55;
  color: var(--c-body);
}

/* 首屏横幅 */
.page-faq .faq-banner {
  margin: 30px 0 0;
  border: 1px solid var(--faq-hair);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--faq-card-bg);
}

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

.page-faq .faq-banner img {
  aspect-ratio: 12 / 5;
}

/* ---------- 章节骨架 ---------- */
.page-faq .faq-section {
  padding: 58px 0;
}

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

.page-faq .faq-section__head {
  max-width: 760px;
  margin-bottom: 30px;
}

.page-faq .faq-section__head .h-section {
  font-size: clamp(25px, 3.6vw, 38px);
  line-height: 1.16;
  margin: 10px 0 12px;
}

.page-faq .faq-section__sub {
  margin: 0;
  font-size: var(--fs-16);
  line-height: 1.75;
  color: var(--c-body);
}

/* ---------- 五类权益卡片流 ---------- */
.page-faq .benefit-flow {
  display: grid;
  gap: 14px;
}

.page-faq .benefit-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px 18px 22px;
  background: var(--faq-card-bg);
  border: 1px solid var(--faq-hair);
  border-radius: var(--radius);
  box-shadow: 5px 5px 0 -1px rgba(30, 46, 77, .7);
  transition: border-color .24s ease, transform .24s ease, box-shadow .24s ease;
}

.page-faq .benefit-card:hover {
  border-color: rgba(34, 224, 214, .55);
  transform: translateY(-3px);
  box-shadow: 6px 8px 0 -1px rgba(34, 224, 214, .28);
}

.page-faq .benefit-card__icon {
  display: block;
  width: 30px;
  height: 30px;
  color: var(--c-cyan);
}

.page-faq .benefit-card__icon svg {
  display: block;
  width: 100%;
  height: 100%;
}

.page-faq .benefit-card__title {
  margin: 0;
  font-size: var(--fs-18);
  font-weight: 800;
  color: var(--c-white);
}

.page-faq .benefit-card__text {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.72;
  color: var(--c-body);
}

/* ---------- 反馈路径 ---------- */
.page-faq .feedback-route {
  display: grid;
  gap: 26px;
}

.page-faq .faq-figure {
  margin: 0;
  border: 1px solid var(--faq-hair);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--faq-card-bg);
}

.page-faq .route-steps {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .route-step {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: 14px;
  padding: 18px;
  border: 1px solid var(--faq-hair);
  border-left: 3px solid var(--c-cyan);
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(12, 23, 48, .95), rgba(5, 10, 24, .72));
}

.page-faq .route-step__idx {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .07em;
  color: var(--c-orange);
  padding-top: 3px;
}

.page-faq .route-step__title {
  margin: 0 0 6px;
  font-size: var(--fs-16);
  font-weight: 800;
  color: var(--c-white);
}

.page-faq .route-step__text {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--c-body);
}

/* ---------- 问答区 ---------- */
.page-faq .faq-zone {
  display: grid;
  gap: 20px;
}

.page-faq .faq-cats {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-content: start;
}

.page-faq .filter-btn {
  display: inline-flex;
  align-items: center;
  padding: 9px 15px;
  border: 1px solid var(--faq-hair);
  border-radius: 999px;
  background: rgba(12, 23, 48, .72);
  color: var(--c-body);
  font-family: var(--font-sans);
  font-size: var(--fs-14);
  line-height: 1.2;
  cursor: pointer;
  transition: color .2s ease, border-color .2s ease, background .2s ease;
}

.page-faq .filter-btn:hover {
  color: var(--c-cyan);
  border-color: rgba(34, 224, 214, .55);
}

.page-faq .filter-btn[aria-pressed="true"] {
  color: var(--c-ink);
  background: var(--c-cyan);
  border-color: var(--c-cyan);
  font-weight: 700;
  animation: faqPulse 3s ease-in-out infinite;
}

@keyframes faqPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(34, 224, 214, .45); }
  50% { box-shadow: 0 0 0 7px rgba(34, 224, 214, 0); }
}

.page-faq .faq-list {
  display: grid;
  gap: 10px;
}

.page-faq .faq-item {
  border: 1px solid var(--faq-hair);
  border-radius: var(--radius);
  background: var(--faq-card-bg);
  overflow: hidden;
  transition: border-color .24s ease, box-shadow .3s ease;
}

.page-faq .faq-item:has(.acc__trigger[aria-expanded="true"]) {
  border-color: rgba(34, 224, 214, .55);
  box-shadow: 0 0 0 1px rgba(34, 224, 214, .16), 0 20px 38px -32px rgba(34, 224, 214, .95);
}

.page-faq .faq-item__h {
  margin: 0;
}

.page-faq .acc__trigger {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr) 16px;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 16px 18px;
  border: 0;
  background: transparent;
  color: var(--c-white);
  font-family: var(--font-sans);
  font-size: var(--fs-16);
  font-weight: 600;
  line-height: 1.5;
  text-align: left;
  cursor: pointer;
  transition: background .2s ease;
}

.page-faq .acc__trigger:hover {
  background: rgba(34, 224, 214, .05);
}

.page-faq .acc__trigger:focus-visible {
  outline: 2px solid var(--c-cyan);
  outline-offset: -2px;
}

.page-faq .acc__index {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .07em;
  font-weight: 500;
  color: var(--c-mute);
}

.page-faq .faq-item__q {
  display: block;
}

.page-faq .acc__sign {
  position: relative;
  display: block;
  width: 14px;
  height: 14px;
  justify-self: end;
}

.page-faq .acc__sign::before,
.page-faq .acc__sign::after {
  content: "";
  position: absolute;
  background: var(--c-cyan);
  transition: transform .24s ease, opacity .24s ease;
}

.page-faq .acc__sign::before {
  left: 0;
  top: 6px;
  width: 14px;
  height: 2px;
}

.page-faq .acc__sign::after {
  left: 6px;
  top: 0;
  width: 2px;
  height: 14px;
}

.page-faq .acc__trigger[aria-expanded="true"] .acc__sign::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-faq .acc__panel {
  display: none;
  padding: 0 18px 20px 76px;
}

.page-faq .acc__trigger[aria-expanded="true"] + .acc__panel {
  display: block;
}

.page-faq .acc__panel p {
  margin: 0;
  max-width: 66ch;
  font-size: var(--fs-16);
  line-height: 1.78;
  color: var(--c-body);
}

.page-faq .faq-inline-link {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 224, 214, .45);
}

.page-faq .faq-inline-link:hover {
  border-bottom-color: var(--c-cyan);
}

/* ---------- 分流与下一步 ---------- */
.page-faq .faq-support {
  display: grid;
  gap: 14px;
}

.page-faq .route-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px 18px;
  border: 1px solid var(--faq-hair);
  border-left: 3px solid var(--c-cyan);
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(12, 23, 48, .95), rgba(5, 10, 24, .7));
}

.page-faq .route-card--orange {
  border-left-color: var(--c-orange);
}

.page-faq .route-card--amber {
  border-left-color: var(--c-amber);
}

.page-faq .route-card__title {
  margin: 0;
  font-size: var(--fs-18);
  font-weight: 800;
  color: var(--c-white);
}

.page-faq .route-card__text {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--c-body);
}

.page-faq .route-card__meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .06em;
  color: var(--c-mute);
}

.page-faq .faq-cta {
  display: grid;
  gap: 18px;
  margin-top: 26px;
  padding: 24px 20px;
  border: 1px solid var(--faq-hair);
  border-radius: var(--radius);
  background: var(--c-teal);
}

.page-faq .faq-cta__lead {
  margin: 0 0 10px;
  max-width: 68ch;
  font-size: var(--fs-16);
  line-height: 1.75;
  color: var(--c-white);
}

.page-faq .faq-cta__meta {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--c-body);
}

.page-faq .faq-cta__btn {
  justify-self: start;
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-faq .benefit-flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-cta {
    padding: 28px 26px;
  }
}

@media (min-width: 900px) {
  .page-faq .crumbs {
    padding-top: 30px;
  }

  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, .6fr);
    gap: 42px;
    align-items: end;
  }

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

  .page-faq .faq-support {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-faq .faq-cta__btn {
    justify-self: end;
  }
}

@media (min-width: 1024px) {
  .page-faq .benefit-flow {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .page-faq .benefit-card:nth-child(1),
  .page-faq .benefit-card:nth-child(2) {
    grid-column: span 3;
  }

  .page-faq .benefit-card:nth-child(3),
  .page-faq .benefit-card:nth-child(4),
  .page-faq .benefit-card:nth-child(5) {
    grid-column: span 2;
  }

  .page-faq .faq-zone {
    grid-template-columns: 212px minmax(0, 1fr);
    gap: 40px;
    align-items: start;
  }

  .page-faq .faq-cats {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 2px;
    border-left: 1px solid var(--faq-hair);
    position: sticky;
    top: calc(var(--header-h) + 18px);
  }

  .page-faq .filter-btn {
    width: 100%;
    justify-content: flex-start;
    padding: 11px 14px;
    border-left-width: 0;
    border-radius: 0 var(--radius) var(--radius) 0;
    background: transparent;
  }

  .page-faq .filter-btn[aria-pressed="true"] {
    border-radius: 0 var(--radius) var(--radius) 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .filter-btn[aria-pressed="true"] {
    animation: none;
  }

  .page-faq .benefit-card,
  .page-faq .benefit-card:hover {
    transform: none;
    transition: none;
  }

  .page-faq .acc__sign::before,
  .page-faq .acc__sign::after {
    transition: none;
  }
}