.page-faq {
  --faq-rail: 272px;
  --faq-gap: 48px;
  --faq-pad: 76px;
  background:
    radial-gradient(1100px 480px at 10% -8%, rgba(255, 61, 24, .17), transparent 62%),
    radial-gradient(880px 400px at 94% 2%, rgba(37, 242, 210, .10), transparent 58%),
    var(--ink);
  color: var(--paper);
  padding-bottom: var(--faq-pad);
  overflow-x: hidden;
}

.page-faq .crumb-sep {
  color: var(--line);
  margin: 0 8px;
}

.page-faq .breadcrumb {
  padding: 22px 0 0;
  font-size: 13px;
  color: var(--cool);
}

.page-faq .breadcrumb a {
  color: var(--cool);
  text-decoration: none;
}

.page-faq .breadcrumb a:hover {
  color: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  display: grid;
  gap: 28px;
  padding: 26px 0 6px;
}

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

.page-faq h1 {
  margin: 0 0 18px;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(32px, 7.2vw, 58px);
  line-height: 1.06;
  letter-spacing: -.02em;
  max-width: 20ch;
}

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

.page-faq .hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.page-faq .stat-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: linear-gradient(170deg, rgba(255, 255, 255, .06), rgba(255, 255, 255, 0));
  padding: 16px 14px;
}

.page-faq .stat-card .stat-num {
  font-size: 30px;
  color: var(--neon);
  font-weight: 700;
  letter-spacing: -.02em;
}

.page-faq .stat-unit {
  font-size: 12px;
  color: var(--cool);
  margin-left: 4px;
}

.page-faq .stat-card p {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--cool);
}

/* ---------- 快捷跳转玻璃条 ---------- */
.page-faq .jump-bar {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  gap: 8px;
  margin-top: 26px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: var(--glass);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  overflow-x: auto;
  scrollbar-width: none;
}

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

.page-faq .jump-label {
  flex: none;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--cool);
  padding-left: 6px;
}

.page-faq .jump-link {
  flex: none;
  padding: 7px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line);
  color: var(--paper);
  font-size: 13px;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color .2s var(--ease), color .2s var(--ease), background .2s var(--ease);
}

.page-faq .jump-link:hover,
.page-faq .jump-link:focus-visible {
  border-color: var(--brand);
  background: rgba(255, 61, 24, .14);
  color: #fff;
}

/* ---------- 双栏 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: 30px;
  padding-top: 34px;
}

.page-faq .rail-title {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--cool);
  text-transform: uppercase;
  font-family: var(--font-num);
}

.page-faq .toc {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 8px;
  scrollbar-width: none;
}

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

.page-faq .toc-link {
  flex: none;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-left: 3px solid transparent;
  border-radius: 12px;
  font-size: 14px;
  color: var(--cool);
  text-decoration: none;
  white-space: nowrap;
  background: rgba(255, 255, 255, .02);
  transition: color .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
}

.page-faq .toc-link .toc-num {
  font-size: 12px;
  color: var(--brand);
  letter-spacing: .04em;
}

.page-faq .toc-link:hover {
  color: var(--paper);
  border-color: var(--line);
  border-left-color: var(--warm);
}

.page-faq .toc-link[aria-current] {
  color: var(--paper);
  border-left-color: var(--brand);
  background: rgba(255, 61, 24, .13);
}

.page-faq .rail-note {
  margin-top: 18px;
  padding: 16px 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: linear-gradient(165deg, rgba(15, 42, 35, .85), rgba(11, 13, 16, .6));
}

.page-faq .rail-note-title {
  margin: 0 0 8px;
  font-size: 13px;
  font-weight: 700;
  color: var(--neon);
  letter-spacing: .04em;
}

.page-faq .rail-note p {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--cool);
}

/* ---------- 问答分组 ---------- */
.page-faq .faq-body {
  min-width: 0;
}

.page-faq .faq-group {
  scroll-margin-top: 110px;
  padding-bottom: 34px;
  margin-bottom: 30px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-group:last-of-type {
  border-bottom: 0;
  margin-bottom: 0;
}

.page-faq .group-head {
  position: relative;
  padding-left: 16px;
  margin-bottom: 20px;
}

.page-faq .group-head::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 6px;
  width: 4px;
  border-radius: 4px;
  background: linear-gradient(180deg, var(--brand), var(--warm));
}

.page-faq .group-index {
  display: block;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--brand);
  margin-bottom: 6px;
}

.page-faq .faq-group h2 {
  margin: 0 0 10px;
  font-size: clamp(22px, 4.4vw, 30px);
  font-weight: 800;
  letter-spacing: -.01em;
  line-height: 1.2;
}

.page-faq .group-lead {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 15px;
  line-height: 1.75;
  color: var(--cool);
  max-width: 52ch;
}

.page-faq .faq-figure {
  margin: 0 0 22px;
}

.page-faq .media-frame img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius-md);
}

/* ---------- 折叠问答 ---------- */
.page-faq .qa {
  border: 1px solid var(--line);
  border-left: 3px solid var(--line);
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, rgba(255, 255, 255, .035), rgba(255, 255, 255, 0));
  margin-bottom: 10px;
  overflow: hidden;
  transition: border-color .2s var(--ease), background .2s var(--ease);
}

.page-faq .qa[open] {
  border-left-color: var(--brand);
  background: linear-gradient(180deg, rgba(255, 61, 24, .10), rgba(255, 255, 255, 0));
}

.page-faq .qa summary {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .qa-q {
  margin: 0;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--paper);
}

.page-faq .qa-mark {
  position: relative;
  width: 20px;
  height: 20px;
  flex: none;
  border: 1px solid var(--line);
  border-radius: 6px;
}

.page-faq .qa-mark::before,
.page-faq .qa-mark::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--cool);
  transform: translate(-50%, -50%);
}

.page-faq .qa-mark::before {
  width: 10px;
  height: 2px;
}

.page-faq .qa-mark::after {
  width: 2px;
  height: 10px;
  transition: transform .22s var(--ease);
}

.page-faq .qa[open] .qa-mark {
  border-color: rgba(255, 61, 24, .55);
}

.page-faq .qa[open] .qa-mark::before {
  background: var(--brand);
}

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

.page-faq .qa-a {
  padding: 0 16px 18px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--cool);
  border-top: 1px dashed var(--line);
  margin-top: 2px;
  padding-top: 14px;
}

.page-faq .qa-a p {
  margin: 0 0 10px;
}

.page-faq .qa-a p:last-child {
  margin-bottom: 0;
}

.page-faq .qa-a a {
  color: var(--neon);
  text-decoration: none;
  border-bottom: 1px solid rgba(37, 242, 210, .35);
}

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

.page-faq .steps {
  counter-reset: step;
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .steps li {
  position: relative;
  padding-left: 40px;
  font-size: 14.5px;
  line-height: 1.72;
}

.page-faq .steps li::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--neon);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 2px 5px;
  line-height: 1.2;
}

/* ---------- 分流带 ---------- */
.page-faq .faq-diverge {
  display: grid;
  gap: 20px;
  margin: 34px 0;
  padding: 26px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(118deg, rgba(255, 61, 24, .20), rgba(37, 242, 210, .10) 62%, rgba(11, 13, 16, 0)),
    var(--ink-soft);
  position: relative;
  overflow: hidden;
}

.page-faq .faq-diverge::after {
  content: "";
  position: absolute;
  right: -60px;
  bottom: -70px;
  width: 220px;
  height: 220px;
  border: 1px solid rgba(37, 242, 210, .22);
  border-radius: 50%;
  pointer-events: none;
}

.page-faq .diverge-eyebrow {
  margin: 0 0 10px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--alert);
}

.page-faq .faq-diverge h2 {
  margin: 0 0 12px;
  font-size: clamp(21px, 4.4vw, 27px);
  font-weight: 800;
  line-height: 1.24;
}

.page-faq .diverge-copy p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--cool);
  max-width: 46ch;
}

.page-faq .ticket-note {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(11, 13, 16, .5);
  padding: 13px 15px;
}

.page-faq .ticket-note summary {
  cursor: pointer;
  list-style: none;
  font-size: 14px;
  font-weight: 600;
  color: var(--paper);
  display: flex;
  align-items: center;
  gap: 8px;
}

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

.page-faq .ticket-note summary::before {
  content: "+";
  font-family: var(--font-num);
  color: var(--neon);
  font-size: 15px;
}

.page-faq .ticket-note[open] summary::before {
  content: "–";
}

.page-faq .ticket-note ul {
  margin: 12px 0 0;
  padding-left: 18px;
  display: grid;
  gap: 7px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--cool);
}

.page-faq .diverge-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.page-faq .diverge-links .btn {
  text-decoration: none;
}

/* ---------- 客服联系卡 ---------- */
.page-faq .contact-grid {
  display: grid;
  gap: 12px;
  margin-bottom: 22px;
}

.page-faq .contact-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 18px 16px;
  background: linear-gradient(170deg, rgba(255, 255, 255, .05), rgba(255, 255, 255, 0));
}

.page-faq .contact-card--primary {
  border-color: rgba(255, 61, 24, .45);
  background: linear-gradient(170deg, rgba(255, 61, 24, .16), rgba(255, 255, 255, 0));
}

.page-faq .contact-label {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--cool);
}

.page-faq .contact-value {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--paper);
  word-break: break-all;
}

.page-faq .contact-card--primary .contact-value {
  color: var(--warm);
}

.page-faq .contact-hint {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.68;
  color: var(--cool);
}

.page-faq .qa-list--tight .qa {
  background: rgba(255, 255, 255, .025);
}

/* ---------- 桌面布局 ---------- */
@media (min-width: 768px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, .85fr);
    align-items: end;
    gap: 36px;
    padding-top: 40px;
  }

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

  .page-faq .faq-diverge {
    grid-template-columns: minmax(0, 1fr) minmax(0, .85fr);
    align-items: center;
    padding: 32px 30px;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-layout {
    grid-template-columns: var(--faq-rail) minmax(0, 1fr);
    gap: var(--faq-gap);
    padding-top: 46px;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: 96px;
    align-self: start;
  }

  .page-faq .toc {
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
    gap: 4px;
  }

  .page-faq .toc-link {
    white-space: normal;
    background: transparent;
    border-color: transparent;
    border-left: 3px solid transparent;
    padding: 9px 12px;
  }

  .page-faq .toc-link:hover {
    background: rgba(255, 255, 255, .04);
    border-color: transparent;
    border-left-color: var(--warm);
  }

  .page-faq .toc-link[aria-current] {
    background: rgba(255, 61, 24, .13);
    border-color: transparent;
    border-left-color: var(--brand);
  }

  .page-faq .faq-group {
    padding-bottom: 42px;
    margin-bottom: 38px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa-mark::after,
  .page-faq .jump-link,
  .page-faq .toc-link,
  .page-faq .qa {
    transition: none;
  }
}