.page-faq {
  background: var(--mbx-ink-950);
  color: var(--mbx-paper);
  font-family: var(--mbx-body);
  padding-bottom: 8px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: calc(var(--mbx-header-h) + 34px) 0 46px;
  background:
    radial-gradient(120% 78% at 88% 0%, rgba(255, 106, 26, 0.12), transparent 62%),
    radial-gradient(90% 60% at 0% 100%, rgba(41, 199, 245, 0.08), transparent 60%),
    linear-gradient(180deg, #06231A 0%, var(--mbx-ink-950) 78%);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: var(--mbx-header-h);
  height: 1px;
  background: repeating-linear-gradient(90deg, var(--mbx-ink-600) 0 1px, transparent 1px 16px);
  opacity: 0.85;
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
  align-items: end;
  margin-top: 22px;
}

.page-faq .faq-hero__title {
  margin: 14px 0 16px;
  font-family: var(--mbx-display);
  font-weight: 600;
  font-size: clamp(38px, 8.6vw, 86px);
  line-height: 0.94;
  letter-spacing: -0.02em;
  color: var(--mbx-paper);
  text-align: left;
}

.page-faq .faq-hero__lead {
  max-width: 54ch;
  color: var(--mbx-paper-70);
}

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

.page-faq .faq-hero__meta li {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--mbx-r-pill);
  border: 1px solid var(--mbx-ink-600);
  background: rgba(10, 47, 37, 0.72);
  color: var(--mbx-paper-70);
  font-size: 13px;
  white-space: nowrap;
}

.page-faq .faq-hero__meta .mbx-mono {
  color: var(--mbx-blue-500);
  font-size: 13px;
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-faq .faq-hero__figure {
  position: relative;
  margin: 0;
  border-radius: var(--mbx-r-lg);
  border: 1px solid var(--mbx-ink-600);
  background: var(--mbx-ink-800);
  overflow: hidden;
}

.page-faq .faq-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  filter: saturate(0.85) contrast(1.04);
}

.page-faq .faq-hero__figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, rgba(255, 106, 26, 0.2), transparent 56%);
  pointer-events: none;
}

/* ---------- 布局 ---------- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  padding-bottom: 84px;
}

/* ---------- 索引栏（窄屏为顶部胶囊条） ---------- */
.page-faq .faq-rail {
  position: sticky;
  top: var(--mbx-header-h);
  z-index: 15;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 12px 0;
  background: var(--mbx-ink-950);
  box-shadow: 0 14px 22px -18px rgba(0, 0, 0, 0.95);
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

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

.page-faq .faq-rail__label {
  display: none;
}

.page-faq .faq-rail__link {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 15px;
  border-radius: var(--mbx-r-pill);
  border: 1px solid var(--mbx-ink-600);
  background: var(--mbx-ink-800);
  color: var(--mbx-paper-70);
  font-size: 13px;
  line-height: 1.2;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color 0.2s var(--mbx-ease), border-color 0.2s var(--mbx-ease), color 0.2s var(--mbx-ease);
}

.page-faq .faq-rail__link:hover {
  border-color: var(--mbx-orange-300);
  color: var(--mbx-paper);
}

.page-faq .faq-rail__link:focus-visible {
  outline: 2px solid var(--mbx-blue-500);
  outline-offset: 2px;
}

.page-faq .faq-rail__link[aria-current] {
  background: var(--mbx-orange-500);
  border-color: var(--mbx-orange-500);
  color: var(--mbx-ink-950);
  font-weight: 600;
}

.page-faq .faq-rail__num {
  font-size: 11px;
  letter-spacing: 0.08em;
  opacity: 0.75;
}

/* ---------- 分组 ---------- */
.page-faq .faq-group {
  scroll-margin-top: calc(var(--mbx-header-h) + 74px);
  margin-bottom: 54px;
}

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

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 14px;
  align-items: start;
  padding-bottom: 14px;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--mbx-ink-600);
}

.page-faq .faq-group__num {
  display: inline-grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: var(--mbx-r-pill);
  background: var(--mbx-blue-800);
  color: var(--mbx-blue-500);
  font-size: 12px;
  letter-spacing: 0.04em;
}

.page-faq .faq-group__headtext h2 {
  margin: 0 0 6px;
  color: var(--mbx-paper);
}

.page-faq .faq-group__note,
.page-faq .faq-group__lead {
  margin: 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.7;
  color: var(--mbx-paper-70);
}

.page-faq .faq-group__lead {
  color: var(--mbx-orange-300);
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-item {
  position: relative;
  margin-bottom: 10px;
  border: 1px solid var(--mbx-ink-600);
  border-left: 4px solid var(--mbx-ink-600);
  border-radius: var(--mbx-r-md);
  background: var(--mbx-ink-800);
  transition: border-color 0.22s var(--mbx-ease), background-color 0.22s var(--mbx-ease);
}

.page-faq .faq-item:hover {
  border-color: var(--mbx-orange-300);
  border-left-color: var(--mbx-orange-300);
}

.page-faq .faq-item[open] {
  border-left-color: var(--mbx-orange-500);
  background: linear-gradient(180deg, #0C3529, var(--mbx-ink-800));
}

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--mbx-display);
  font-size: 18px;
  font-weight: 600;
  line-height: 1.35;
  color: var(--mbx-paper);
  -webkit-tap-highlight-color: transparent;
}

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

.page-faq .faq-item__q::marker {
  content: "";
}

.page-faq .faq-item__q:focus-visible {
  outline: 2px solid var(--mbx-blue-500);
  outline-offset: -2px;
  border-radius: var(--mbx-r-md);
}

.page-faq .faq-item__idx {
  flex: 0 0 auto;
  padding-top: 4px;
  font-size: 12px;
  color: var(--mbx-blue-500);
  letter-spacing: 0.06em;
}

.page-faq .faq-item__text {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .faq-item__q::after {
  content: "+";
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  margin-left: auto;
  border-radius: 50%;
  border: 1px solid var(--mbx-ink-600);
  font-family: var(--mbx-mono);
  font-size: 15px;
  font-weight: 400;
  color: var(--mbx-orange-300);
  transition: transform 0.22s var(--mbx-ease), background-color 0.22s var(--mbx-ease), color 0.22s var(--mbx-ease), border-color 0.22s var(--mbx-ease);
}

.page-faq .faq-item[open] .faq-item__q::after {
  transform: rotate(45deg);
  background: var(--mbx-orange-500);
  border-color: var(--mbx-orange-500);
  color: var(--mbx-ink-950);
}

.page-faq .faq-item__a {
  max-width: 68ch;
  padding: 4px 18px 20px;
  border-top: 1px dashed var(--mbx-ink-600);
  font-size: 16px;
  line-height: 1.78;
  color: var(--mbx-paper-70);
}

.page-faq .faq-item[open] .faq-item__a {
  animation: faqReveal 0.3s var(--mbx-ease) both;
}

.page-faq .faq-item__a p {
  margin: 14px 0 0;
}

.page-faq .faq-item__a a {
  color: var(--mbx-blue-500);
  text-underline-offset: 3px;
}

.page-faq .faq-item__a a:hover {
  color: var(--mbx-orange-300);
}

@keyframes faqReveal {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
}

/* ---------- 步骤列表 ---------- */
.page-faq .faq-steps {
  list-style: none;
  counter-reset: faqstep;
  display: grid;
  gap: 12px;
  margin: 16px 0 0;
  padding: 0;
}

.page-faq .faq-steps > li {
  counter-increment: faqstep;
  position: relative;
  padding-left: 34px;
  color: var(--mbx-paper);
}

.page-faq .faq-steps > li::before {
  content: counter(faqstep);
  position: absolute;
  left: 0;
  top: 4px;
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--mbx-orange-500);
  color: var(--mbx-ink-950);
  font-family: var(--mbx-mono);
  font-size: 12px;
  line-height: 1;
}

.page-faq .faq-steps > li::after {
  content: "";
  position: absolute;
  left: 10px;
  top: 28px;
  bottom: -12px;
  width: 1px;
  background: var(--mbx-ink-600);
}

.page-faq .faq-steps > li:last-child::after {
  display: none;
}

/* ---------- 暖白面板分组 ---------- */
.page-faq .faq-group--paper {
  padding: 26px 20px 28px;
  border-radius: var(--mbx-r-lg);
  background: var(--mbx-paper);
  color: var(--mbx-ink-950);
}

.page-faq .faq-group--paper .faq-group__head {
  border-bottom-color: rgba(4, 26, 20, 0.14);
}

.page-faq .faq-group--paper .faq-group__num {
  background: var(--mbx-orange-500);
  color: var(--mbx-ink-950);
}

.page-faq .faq-group--paper .faq-group__headtext h2 {
  color: var(--mbx-ink-950);
}

.page-faq .faq-group--paper .faq-group__lead {
  color: #B4440A;
}

.page-faq .faq-group--paper .faq-item {
  background: #FFFDF7;
  border-color: rgba(4, 26, 20, 0.14);
  border-left-color: rgba(4, 26, 20, 0.14);
}

.page-faq .faq-group--paper .faq-item:hover {
  border-color: var(--mbx-orange-500);
  border-left-color: var(--mbx-orange-500);
}

.page-faq .faq-group--paper .faq-item[open] {
  background: #FFFFFF;
  border-left-color: var(--mbx-orange-500);
}

.page-faq .faq-group--paper .faq-item__q {
  color: var(--mbx-ink-950);
}

.page-faq .faq-group--paper .faq-item__idx {
  color: #0E6C8C;
}

.page-faq .faq-group--paper .faq-item__q::after {
  border-color: rgba(4, 26, 20, 0.22);
  color: #B4440A;
}

.page-faq .faq-group--paper .faq-item[open] .faq-item__q::after {
  background: var(--mbx-orange-500);
  border-color: var(--mbx-orange-500);
  color: #FFFFFF;
}

.page-faq .faq-group--paper .faq-item__a {
  border-top-color: rgba(4, 26, 20, 0.16);
  color: #3F544B;
}

.page-faq .faq-group--paper .faq-item__a a {
  color: #0B5D80;
}

.page-faq .faq-group--paper .faq-item__a a:hover {
  color: #B4440A;
}

.page-faq .faq-figure {
  margin: 0 0 20px;
  border-radius: var(--mbx-r-md);
  border: 1px solid rgba(4, 26, 20, 0.12);
  background: #EFE8DA;
  overflow: hidden;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

.page-faq .faq-figure figcaption {
  padding: 10px 14px 12px;
  font-size: 13px;
  line-height: 1.6;
  color: #3F544B;
}

/* ---------- 联系信息块 ---------- */
.page-faq .faq-contact {
  margin: 18px 0 0;
  padding: 16px 18px;
  border-radius: var(--mbx-r-md);
  border: 1px solid var(--mbx-ink-600);
  background: rgba(11, 59, 92, 0.34);
}

.page-faq .faq-contact__row {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
  padding: 7px 0;
  border-bottom: 1px dotted rgba(201, 191, 173, 0.22);
}

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

.page-faq .faq-contact__key {
  flex: 0 0 auto;
  min-width: 76px;
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--mbx-paper-70);
}

.page-faq .faq-contact__val {
  margin: 0;
  font-family: var(--mbx-mono);
  font-size: 14px;
  color: var(--mbx-paper);
  word-break: break-word;
}

/* ---------- 平板 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-hero {
    padding-top: calc(var(--mbx-header-h) + 48px);
    padding-bottom: 56px;
  }

  .page-faq .faq-group--paper {
    padding: 32px 30px 34px;
  }

  .page-faq .faq-item__q {
    padding: 18px 22px;
    font-size: 19px;
  }

  .page-faq .faq-item__a {
    padding: 4px 22px 22px;
  }

  .page-faq .faq-group__head {
    gap: 8px 20px;
  }
}

/* ---------- 宽屏：左栏常驻索引 ---------- */
@media (min-width: 1024px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 52px;
  }

  .page-faq .faq-layout {
    grid-template-columns: 252px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-faq .faq-rail {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding: 20px 0 0;
    background: transparent;
    box-shadow: none;
    top: calc(var(--mbx-header-h) + 26px);
  }

  .page-faq .faq-rail__label {
    display: block;
    margin-bottom: 10px;
    padding-left: 14px;
    font-family: var(--mbx-mono);
    font-size: 11px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--mbx-paper-70);
  }

  .page-faq .faq-rail__link {
    width: 100%;
    justify-content: flex-start;
    padding: 11px 14px;
    border-radius: var(--mbx-r-md);
    border-color: transparent;
    background: transparent;
    font-size: 14px;
  }

  .page-faq .faq-rail__link:hover {
    background: var(--mbx-ink-800);
    border-color: var(--mbx-ink-600);
  }

  .page-faq .faq-rail__link[aria-current] {
    background: var(--mbx-orange-500);
    border-color: var(--mbx-orange-500);
    color: var(--mbx-ink-950);
  }

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

  .page-faq .faq-group__num {
    width: 44px;
    height: 44px;
    font-size: 13px;
  }

  .page-faq .faq-group--paper {
    padding: 36px 38px 40px;
  }

  .page-faq .faq-figure {
    max-width: 560px;
  }
}

@media (min-width: 1320px) {
  .page-faq .faq-layout {
    grid-template-columns: 276px minmax(0, 1fr);
  }
}

/* ---------- 降低动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-item__q::after,
  .page-faq .faq-rail__link {
    transition: none;
  }

  .page-faq .faq-item[open] .faq-item__a {
    animation: none;
  }
}