.page-faq {
  --faq-cut: 20px;
  display: block;
  padding-bottom: 72px;
  font-family: var(--font-sans);
  color: var(--snow);
  overflow-x: hidden;
}

.page-faq .faq-hero {
  display: grid;
  gap: 26px;
  padding: 22px 0 32px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero h1 {
  margin: 8px 0 14px;
  font-size: clamp(27px, 6.4vw, 46px);
  line-height: 1.18;
  font-weight: 800;
  letter-spacing: 0.045em;
  color: var(--snow);
}

.page-faq .faq-hero .eyebrow {
  margin: 0;
  font-family: var(--font-num);
  font-size: 12.5px;
  letter-spacing: 0.24em;
  color: var(--orange);
}

.page-faq .faq-hero .lede {
  margin: 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--snow-70);
}

/* ---------- 筛选条 ---------- */
.page-faq .faq-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
  padding: 0;
  border: 0;
  background: none;
}

.page-faq .faq-filter .filter-btn {
  appearance: none;
  border: 1px solid var(--line-strong);
  background: rgba(19, 42, 84, 0.55);
  color: var(--snow-70);
  font: inherit;
  font-size: 13.5px;
  letter-spacing: 0.06em;
  padding: 8px 15px;
  cursor: pointer;
  transition: color 0.22s var(--ease), border-color 0.22s var(--ease), background 0.22s var(--ease);
}

.page-faq .faq-filter .filter-btn:hover {
  color: var(--snow);
  border-color: var(--orange-soft);
}

.page-faq .faq-filter .filter-btn.is-current,
.page-faq .faq-filter .filter-btn[aria-pressed="true"] {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--ink-950);
  font-weight: 700;
}

/* ---------- 首屏图 ---------- */
.page-faq .faq-hero-media {
  position: relative;
  margin: 0;
  min-width: 0;
}

.page-faq .faq-hero-media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 4 / 3;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}

.page-faq .faq-hero-media::after {
  content: "";
  position: absolute;
  right: 6px;
  bottom: 6px;
  width: 52px;
  height: 3px;
  background: var(--orange);
}

/* ---------- 热门问题 ---------- */
.page-faq .faq-hot {
  padding: 32px 0 0;
}

.page-faq .faq-hot-title {
  margin: 0;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.24em;
  color: var(--snow-50);
}

.page-faq .faq-hot-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 16px;
}

.page-faq .faq-hot-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 152px;
  padding: 18px 20px 20px;
  background: linear-gradient(158deg, var(--ink-800), var(--ink-900));
  color: var(--snow);
  text-decoration: none;
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 0 100%);
  transition: transform 0.25s var(--ease), background 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.page-faq .faq-hot-card:hover,
.page-faq .faq-hot-card:focus-visible {
  transform: translateY(-3px);
  box-shadow: inset 0 2px 0 var(--orange);
}

.page-faq .faq-hot-card:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: -2px;
}

.page-faq .faq-hot-num {
  font-family: var(--font-num);
  font-size: 30px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--orange);
}

.page-faq .faq-hot-q {
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.58;
  letter-spacing: 0.02em;
  color: var(--snow);
}

.page-faq .faq-hot-go {
  margin-top: auto;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--snow-50);
  transition: color 0.22s var(--ease);
}

.page-faq .faq-hot-card:hover .faq-hot-go {
  color: var(--orange-soft);
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  margin-top: 34px;
  padding-top: 34px;
  border-top: 1px solid var(--line);
}

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

.page-faq .faq-axis-title {
  margin: 0 0 10px;
  font-size: 12.5px;
  letter-spacing: 0.22em;
  color: var(--snow-50);
}

.page-faq .faq-axis-list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 8px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

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

.page-faq .faq-axis-list > li {
  flex: 0 0 auto;
}

.page-faq .faq-axis .local-route-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 15px;
  border: 1px solid var(--line);
  background: rgba(19, 42, 84, 0.45);
  color: var(--snow-70);
  font-size: 13.5px;
  letter-spacing: 0.03em;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.22s var(--ease), border-color 0.22s var(--ease), background 0.22s var(--ease);
}

.page-faq .faq-axis .local-route-link:hover {
  color: var(--snow);
}

.page-faq .faq-axis .local-route-link:not([aria-current="false"]) {
  color: var(--snow);
  border-color: var(--orange);
  background: rgba(255, 107, 44, 0.14);
}

.page-faq .faq-axis-num {
  font-family: var(--font-num);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  opacity: 0.75;
}

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

/* ---------- 分类区块 ---------- */
.page-faq .faq-main {
  min-width: 0;
}

.page-faq .faq-section {
  padding: 32px 0;
  border-top: 1px solid var(--line);
  scroll-margin-top: 84px;
}

.page-faq .faq-main > .faq-section:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-faq .faq-section .eyebrow {
  margin: 0;
  font-family: var(--font-num);
  font-size: 12.5px;
  letter-spacing: 0.2em;
  color: var(--orange);
}

.page-faq .faq-section .section-title {
  margin: 8px 0 10px;
  font-size: clamp(21px, 4.4vw, 31px);
  font-weight: 800;
  line-height: 1.28;
  letter-spacing: 0.04em;
  color: var(--snow);
}

.page-faq .faq-section .section-desc {
  margin: 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--snow-50);
}

.page-faq .faq-list {
  margin-top: 18px;
}

/* ---------- 问答折叠卡 ---------- */
.page-faq .faq-item {
  position: relative;
  background: rgba(19, 42, 84, 0.6);
  border-left: 3px solid rgba(245, 247, 250, 0.12);
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 0 100%);
  transition: background 0.22s var(--ease), border-color 0.22s var(--ease);
}

.page-faq .faq-item + .faq-item {
  margin-top: 10px;
}

.page-faq .faq-item[open] {
  background: rgba(27, 58, 110, 0.72);
  border-left-color: var(--orange);
}

.page-faq .faq-item.is-hidden {
  display: none !important;
}

.page-faq .faq-q {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 15px 20px;
  cursor: pointer;
  list-style: none;
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.62;
  letter-spacing: 0.02em;
  color: var(--snow);
}

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

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

.page-faq .faq-q-text {
  min-width: 0;
}

.page-faq .faq-q-mark {
  position: relative;
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  margin-top: 4px;
  margin-left: auto;
}

.page-faq .faq-q-mark::before,
.page-faq .faq-q-mark::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: var(--orange);
  transform: translate(-50%, -50%);
  transition: transform 0.24s var(--ease), opacity 0.24s var(--ease);
}

.page-faq .faq-q-mark::before {
  width: 14px;
  height: 2px;
}

.page-faq .faq-q-mark::after {
  width: 2px;
  height: 14px;
}

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

.page-faq .faq-a {
  padding: 0 20px 18px;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--snow-70);
}

.page-faq .faq-a p {
  margin: 0;
}

.page-faq .faq-a p + p {
  margin-top: 10px;
}

.page-faq .faq-a a {
  color: var(--orange-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 154, 77, 0.45);
}

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

.page-faq .faq-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 13px 0 0;
  padding: 0;
  list-style: none;
}

/* ---------- 联系支持面板 ---------- */
.page-faq .faq-contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
  margin-top: 22px;
  padding: 24px 22px;
  background: linear-gradient(152deg, rgba(27, 58, 110, 0.95), rgba(11, 27, 58, 0.95));
  clip-path: polygon(0 0, calc(100% - 24px) 0, 100% 24px, 100% 100%, 0 100%);
}

.page-faq .faq-contact-body {
  min-width: 0;
}

.page-faq .faq-contact-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--line-strong);
}

.page-faq .faq-contact-row:first-child {
  border-top: 1px dashed var(--line-strong);
}

.page-faq .faq-contact-label {
  flex: 0 0 auto;
  font-size: 12.5px;
  letter-spacing: 0.14em;
  color: var(--snow-50);
}

.page-faq .faq-contact-value {
  min-width: 0;
  font-family: var(--font-num);
  font-size: 16px;
  letter-spacing: 0.02em;
  color: var(--snow);
  overflow-wrap: anywhere;
}

.page-faq .faq-contact-row .copy-btn {
  margin-left: auto;
  appearance: none;
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--snow-70);
  font: inherit;
  font-size: 12.5px;
  letter-spacing: 0.12em;
  padding: 6px 13px;
  cursor: pointer;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .faq-contact-row .copy-btn:hover {
  color: var(--snow);
  border-color: var(--orange);
}

.page-faq .faq-contact-row .copy-btn.is-done {
  background: var(--barley);
  border-color: var(--barley);
  color: var(--snow);
}

.page-faq .faq-contact-note {
  margin: 16px 0 20px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--snow-70);
}

.page-faq .faq-contact-note a {
  color: var(--orange-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 154, 77, 0.45);
}

.page-faq .faq-contact-media {
  margin: 0;
  min-width: 0;
}

.page-faq .faq-contact-media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 10 / 7;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-faq .faq-hot-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-q {
    font-size: 16px;
    padding: 16px 22px;
  }

  .page-faq .faq-a {
    padding: 0 22px 20px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.14fr) minmax(0, 0.86fr);
    gap: 42px;
    align-items: center;
    padding: 34px 0 46px;
  }

  .page-faq .faq-hot {
    padding-top: 40px;
  }

  .page-faq .faq-body {
    gap: 40px;
    margin-top: 40px;
    padding-top: 40px;
  }

  .page-faq .faq-section {
    padding: 40px 0;
  }
}

@media (min-width: 1060px) {
  .page-faq .faq-hot-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-body {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }

  .page-faq .faq-axis {
    position: sticky;
    top: 26px;
  }

  .page-faq .faq-axis-list {
    flex-direction: column;
    gap: 0;
    padding-bottom: 0;
    overflow: visible;
    border-left: 1px solid var(--line);
  }

  .page-faq .faq-axis-list > li {
    flex: 0 0 auto;
  }

  .page-faq .faq-axis .local-route-link {
    width: 100%;
    padding: 11px 12px 11px 15px;
    border: 0;
    border-left: 3px solid transparent;
    margin-left: -1px;
    background: none;
    white-space: normal;
  }

  .page-faq .faq-axis .local-route-link:hover {
    background: rgba(245, 247, 250, 0.04);
  }

  .page-faq .faq-axis .local-route-link:not([aria-current="false"]) {
    border-left-color: var(--orange);
    background: rgba(255, 107, 44, 0.1);
    color: var(--snow);
  }

  .page-faq .faq-spy {
    display: block;
    margin: 20px 0 0;
    padding-top: 14px;
    border-top: 1px dashed var(--line-strong);
    font-size: 12.5px;
    letter-spacing: 0.06em;
    color: var(--snow-50);
  }

  .page-faq .faq-spy span[data-spy-label] {
    color: var(--orange-soft);
  }

  .page-faq .faq-contact {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    gap: 32px;
    align-items: center;
    padding: 30px 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-hot-card,
  .page-faq .faq-item,
  .page-faq .faq-filter .filter-btn,
  .page-faq .faq-q-mark::before,
  .page-faq .faq-q-mark::after {
    transition: none;
  }

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