.page-faq {
  --faq-line: rgba(201, 162, 39, .26);
  --faq-line-soft: rgba(168, 178, 174, .16);
  --faq-surface: linear-gradient(158deg, rgba(22, 69, 60, .55), rgba(7, 11, 10, .92));
  --faq-cut: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 0 100%);
  display: block;
}

.page-faq .sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- 面包屑 ---------- */
.page-faq .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-top: 22px;
  font-size: 13px;
  color: var(--mist);
}

.page-faq .breadcrumb a {
  color: var(--silver);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .22s var(--ease), border-color .22s var(--ease);
}

.page-faq .breadcrumb a:hover {
  color: var(--gold-lit);
  border-bottom-color: var(--faq-line);
}

.page-faq .breadcrumb span[aria-current="page"] {
  color: var(--chalk);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(26px, 4.5vw, 46px) 0 clamp(42px, 6vw, 76px);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 78% 18%, rgba(31, 111, 99, .22), transparent 58%),
    radial-gradient(circle at 12% 76%, rgba(201, 162, 39, .1), transparent 52%);
  pointer-events: none;
}

.page-faq .faq-hero-grid {
  position: relative;
  display: grid;
  gap: clamp(28px, 5vw, 54px);
  align-items: center;
}

.page-faq .faq-hero-copy .eyebrow {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-faq .faq-hero-copy h1 {
  margin: 0;
  font-size: clamp(1.85rem, 5.2vw, 3.15rem);
  line-height: 1.18;
  letter-spacing: -.012em;
  color: var(--chalk);
}

.page-faq .faq-hero-copy .lead {
  margin: 18px 0 0;
  max-width: 38ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--silver);
}

.page-faq .faq-search {
  margin-top: clamp(24px, 3.4vw, 34px);
  max-width: 470px;
}

.page-faq .faq-search-input {
  display: block;
  width: 100%;
  box-sizing: border-box;
  padding: 14px 16px;
  background: rgba(7, 11, 10, .78);
  border: 1px solid var(--faq-line-soft);
  border-left: 3px solid var(--gold);
  color: var(--chalk);
  font: inherit;
  font-size: 15px;
  appearance: none;
  -webkit-appearance: none;
  transition: border-color .24s var(--ease), box-shadow .24s var(--ease);
}

.page-faq .faq-search-input::placeholder {
  color: var(--mist);
}

.page-faq .faq-search-input:focus {
  outline: none;
  border-color: var(--gold-lit);
  border-left-color: var(--gold-lit);
  box-shadow: 0 0 0 3px rgba(201, 162, 39, .16);
}

.page-faq .faq-search-hint {
  margin: 10px 0 0;
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--mist);
}

.page-faq .faq-hero-visual {
  position: relative;
  width: 100%;
  max-width: 520px;
  justify-self: center;
  background: var(--panel-bg);
  border: 1px solid var(--faq-line-soft);
  clip-path: var(--faq-cut);
  overflow: hidden;
}

.page-faq .faq-hero-visual svg {
  display: block;
  width: 100%;
  height: auto;
}

/* ---------- 分组区 ---------- */
.page-faq .faq-groups {
  padding-bottom: clamp(56px, 8vw, 104px);
}

.page-faq .faq-groups-head {
  max-width: 60ch;
}

.page-faq .faq-groups-head h2 {
  margin: 0;
  font-size: clamp(1.4rem, 3.4vw, 2rem);
  line-height: 1.3;
  color: var(--chalk);
}

.page-faq .faq-groups-lead {
  margin: 14px 0 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--silver);
}

.page-faq .faq-figure {
  margin: 0;
  background: var(--faq-surface);
  border: 1px solid var(--faq-line-soft);
  overflow: hidden;
}

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

.page-faq .faq-figure figcaption {
  padding: 12px 16px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--mist);
  border-top: 1px solid var(--faq-line-soft);
}

.page-faq .faq-figure--wide {
  margin-top: clamp(28px, 4vw, 44px);
  clip-path: polygon(0 0, calc(100% - 26px) 0, 100% 26px, 100% 100%, 0 100%);
}

/* ---------- 标签中枢 ---------- */
.page-faq .faq-hub {
  display: block;
  margin-top: clamp(30px, 4vw, 48px);
}

.page-faq .faq-tabbar {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 8px;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

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

.page-faq .faq-tabbar .tab {
  flex: 0 0 auto;
  padding: 11px 18px;
  background: rgba(14, 43, 38, .62);
  border: 1px solid var(--faq-line-soft);
  color: var(--silver);
  font: inherit;
  font-size: 14px;
  letter-spacing: .02em;
  white-space: nowrap;
  cursor: pointer;
  clip-path: polygon(9px 0, 100% 0, 100% calc(100% - 9px), calc(100% - 9px) 100%, 0 100%, 0 9px);
  transition: color .24s var(--ease), background-color .24s var(--ease), border-color .24s var(--ease);
}

.page-faq .faq-tabbar .tab:hover {
  color: var(--chalk);
  border-color: var(--faq-line);
}

.page-faq .faq-tabbar .tab[aria-selected="true"] {
  background: linear-gradient(140deg, rgba(201, 162, 39, .24), rgba(22, 69, 60, .66));
  border-color: var(--gold);
  color: var(--gold-lit);
}

.page-faq .faq-tabbar .tab:focus-visible {
  outline: 2px solid var(--gold-lit);
  outline-offset: 2px;
}

.page-faq .faq-panels {
  margin-top: clamp(22px, 3vw, 34px);
}

.page-faq .faq-panel {
  display: block;
  outline: none;
}

.page-faq .faq-panel h2 {
  margin: 0;
  font-size: clamp(1.35rem, 3.2vw, 1.9rem);
  line-height: 1.32;
  color: var(--chalk);
}

.page-faq .faq-panel-lead {
  margin: 12px 0 0;
  max-width: 48ch;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--silver);
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-list {
  margin-top: clamp(20px, 3vw, 30px);
  display: grid;
  gap: 10px;
}

.page-faq .faq-item {
  background: var(--faq-surface);
  border: 1px solid var(--faq-line-soft);
  border-left: 3px solid rgba(31, 111, 99, .75);
  transition: border-left-color .24s var(--ease), background-color .24s var(--ease);
}

.page-faq .faq-item[open] {
  border-left-color: var(--gold);
}

.page-faq .faq-item summary {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 17px 18px;
  color: var(--chalk);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-item summary:focus-visible {
  outline: 2px solid var(--gold-lit);
  outline-offset: -2px;
}

.page-faq .faq-idx {
  flex: 0 0 30px;
  padding-top: 2px;
  font-family: var(--font-num);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--gold);
}

.page-faq .faq-item[open] .faq-idx {
  color: var(--gold-lit);
}

.page-faq .faq-item .fold-body {
  padding: 0 18px 18px 62px;
}

.page-faq .faq-item .fold-body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--silver);
  max-width: 62ch;
}

/* ---------- 移动端分栏 ---------- */
.page-faq .faq-split {
  display: grid;
  gap: clamp(24px, 4vw, 36px);
  margin-top: clamp(20px, 3vw, 28px);
}

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

.page-faq .faq-step {
  position: relative;
  padding: 20px 22px;
  background: var(--faq-surface);
  border: 1px solid var(--faq-line-soft);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
}

.page-faq .faq-step::after {
  content: "";
  position: absolute;
  left: 22px;
  bottom: 0;
  width: 46px;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), rgba(31, 111, 99, 0));
}

.page-faq .faq-step-num {
  display: block;
  font-family: var(--font-num);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--gold);
}

.page-faq .faq-step h3 {
  margin: 8px 0 0;
  font-size: 16.5px;
  line-height: 1.5;
  color: var(--chalk);
}

.page-faq .faq-step p {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.76;
  color: var(--silver);
}

.page-faq .faq-figure--tall {
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 0 100%);
  align-self: start;
  max-width: 420px;
}

/* ---------- 数据统计条 ---------- */
.page-faq .faq-stats {
  margin: clamp(22px, 3vw, 30px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--faq-line-soft);
  border: 1px solid var(--faq-line-soft);
}

.page-faq .faq-stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 20px;
  background: rgba(11, 26, 23, .92);
}

.page-faq .faq-stat .stat-value {
  font-family: var(--font-num);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--gold-lit);
}

.page-faq .faq-stat .stat-label {
  font-size: 13px;
  line-height: 1.6;
  color: var(--silver);
}

/* ---------- 支持区 ---------- */
.page-faq .faq-contacts {
  margin-top: clamp(22px, 3vw, 30px);
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--faq-line-soft);
  border: 1px solid var(--faq-line-soft);
}

.page-faq .faq-contacts .contact-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  padding: 16px 18px;
  background: rgba(11, 26, 23, .92);
}

.page-faq .faq-contacts .contact-key {
  flex: 0 0 84px;
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--mist);
}

.page-faq .faq-contacts .contact-value {
  flex: 1 1 200px;
  font-size: 14.5px;
  color: var(--chalk);
  word-break: break-all;
}

.page-faq .faq-contacts .copy-btn {
  flex: 0 0 auto;
  padding: 7px 14px;
  background: transparent;
  border: 1px solid var(--faq-line);
  color: var(--gold);
  font: inherit;
  font-size: 12.5px;
  letter-spacing: .06em;
  cursor: pointer;
  transition: background-color .22s var(--ease), color .22s var(--ease);
}

.page-faq .faq-contacts .copy-btn:hover,
.page-faq .faq-contacts .copy-btn:focus-visible {
  background: rgba(201, 162, 39, .16);
  color: var(--gold-lit);
  outline: none;
}

.page-faq .faq-crosslink {
  margin: clamp(24px, 3vw, 34px) 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 880px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
  }

  .page-faq .faq-hero-visual {
    justify-self: end;
  }

  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1fr) minmax(260px, 380px);
    align-items: start;
  }
}

@media (min-width: 1100px) {
  .page-faq .faq-groups-head {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: clamp(24px, 4vw, 48px);
    align-items: end;
    max-width: none;
  }

  .page-faq .faq-groups-lead {
    margin-top: 0;
    max-width: 46ch;
  }

  .page-faq .faq-figure--wide {
    margin-top: clamp(34px, 4vw, 52px);
  }

  .page-faq .faq-figure--wide img {
    max-height: 340px;
    object-fit: cover;
  }
}

@media (max-width: 519px) {
  .page-faq .faq-item .fold-body {
    padding-left: 18px;
  }

  .page-faq .faq-contacts .contact-key {
    flex-basis: 100%;
  }

  .page-faq .faq-crosslink .btn {
    flex: 1 1 100%;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq * {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
  }
}