.page-faq {
  --faq-rail-w: 236px;
  --faq-card: linear-gradient(160deg, var(--panel-600), var(--ink-700));
  background: var(--ink-900);
  color: var(--cream-100);
  padding-bottom: 104px;
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  padding: 128px 0 48px;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(680px 380px at 84% -6%, rgba(122, 75, 208, 0.4), transparent 68%),
    radial-gradient(520px 320px at 4% 16%, rgba(201, 162, 39, 0.15), transparent 72%);
}

.page-faq .faq-hero .breadcrumbs {
  margin-bottom: 28px;
}

.page-faq .faq-hero__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(38px, 7.4vw, 76px);
  line-height: 1.1;
  letter-spacing: 0.04em;
  color: var(--cream-100);
  max-width: 15ch;
}

.page-faq .faq-hero__lead {
  margin: 22px 0 0;
  max-width: 62ch;
  font-size: 17px;
  line-height: 1.8;
  color: rgba(243, 235, 218, 0.74);
}

.page-faq .faq-hero__quick {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.page-faq .faq-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 40px;
  margin: 40px 0 0;
  padding: 18px 0 0;
  list-style: none;
  border-top: 1px solid var(--line-400);
  font-size: 13px;
  letter-spacing: 0.05em;
  color: var(--violet-muted);
}

.page-faq .faq-hero__stats li {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.page-faq .faq-hero__stats strong {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 500;
  color: var(--gold-300);
}

/* ---------- 主体骨架 ---------- */

.page-faq .faq-shell {
  display: grid;
  gap: 44px;
  padding-top: 40px;
}

.page-faq .faq-flow {
  min-width: 0;
  display: grid;
  gap: 8px;
}

/* ---------- 左栏场景导航 ---------- */

.page-faq .faq-rail {
  align-self: start;
}

.page-faq .faq-rail__title {
  margin: 0 0 16px;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold-500);
}

.page-faq .faq-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .faq-rail__list a {
  display: block;
  padding: 11px 14px;
  border-radius: var(--radius-pill);
  border-left: 2px solid transparent;
  color: rgba(243, 235, 218, 0.68);
  font-size: 14.5px;
  line-height: 1.5;
  text-decoration: none;
  transition: background 0.2s var(--ease-out), color 0.2s var(--ease-out), border-color 0.2s var(--ease-out);
}

.page-faq .faq-rail__list a:hover,
.page-faq .faq-rail__list a:focus-visible {
  background: rgba(122, 75, 208, 0.18);
  border-left-color: var(--gold-500);
  color: var(--cream-100);
}

.page-faq .faq-rail__callout {
  margin-top: 24px;
  padding: 20px;
  border-radius: var(--radius-md);
  background: var(--faq-card);
  border: 1px solid var(--line-400);
}

.page-faq .faq-rail__callout p {
  margin: 0 0 14px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--violet-muted);
}

/* ---------- 通用区块 ---------- */

.page-faq .faq-block {
  padding: 44px 0 52px;
  scroll-margin-top: calc(var(--header-h) + 28px);
}

.page-faq .faq-block__head {
  max-width: 64ch;
  margin-bottom: 32px;
}

.page-faq .faq-block__head h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(27px, 4vw, 40px);
  line-height: 1.2;
  letter-spacing: 0.03em;
  color: var(--cream-100);
}

.page-faq .faq-block__lead {
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(243, 235, 218, 0.72);
}

.page-faq .faq-subtitle {
  margin: 34px 0 16px;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--gold-300);
}

/* ---------- 场景卡片 ---------- */

.page-faq .faq-scenes {
  display: grid;
  gap: 16px;
}

.page-faq .faq-scene {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 24px 22px 22px;
  border-radius: var(--radius-md);
  background: var(--faq-card);
  border: 1px solid var(--line-400);
  transition: transform 0.28s var(--ease-out), border-color 0.28s var(--ease-out);
}

.page-faq .faq-scene:hover {
  transform: translateY(-3px);
  border-color: rgba(201, 162, 39, 0.42);
}

.page-faq .faq-scene__icon {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 16px;
  color: var(--gold-300);
  background: rgba(201, 162, 39, 0.12);
  border: 1px solid rgba(201, 162, 39, 0.32);
}

.page-faq .faq-scene__title {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--cream-100);
}

.page-faq .faq-scene__qs {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-faq .faq-scene__qs li {
  position: relative;
  padding-left: 18px;
  font-size: 14.5px;
  line-height: 1.7;
  color: rgba(243, 235, 218, 0.66);
}

.page-faq .faq-scene__qs li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 6px;
  height: 1px;
  background: var(--purple-500);
}

.page-faq .faq-scene__link {
  margin-top: auto;
  padding-top: 6px;
  font-size: 14px;
  font-weight: 500;
  color: var(--gold-300);
  text-decoration: none;
  border-bottom: 1px solid rgba(231, 206, 131, 0.35);
  align-self: flex-start;
  transition: border-color 0.2s var(--ease-out), color 0.2s var(--ease-out);
}

.page-faq .faq-scene__link:hover,
.page-faq .faq-scene__link:focus-visible {
  color: var(--cream-100);
  border-bottom-color: var(--cream-100);
}

/* ---------- 图片 ---------- */

.page-faq .faq-shot {
  margin: 34px 0 0;
}

.page-faq .faq-orbit {
  margin: 0 0 28px;
  max-width: 420px;
}

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

/* ---------- 步骤流 ---------- */

.page-faq .faq-steps {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-step {
  position: relative;
  padding: 0 0 30px 62px;
}

.page-faq .faq-step:last-child {
  padding-bottom: 0;
}

.page-faq .faq-step:not(:last-child)::before {
  content: "";
  position: absolute;
  left: 20px;
  top: 52px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, var(--line-400), rgba(46, 42, 60, 0.15));
}

.page-faq .faq-step__num {
  position: absolute;
  left: 0;
  top: 0;
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: rgba(201, 162, 39, 0.13);
  border: 1px solid rgba(201, 162, 39, 0.4);
  color: var(--gold-300);
  font-size: 15px;
  letter-spacing: 0.04em;
}

.page-faq .faq-step__title {
  margin: 6px 0 8px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--cream-100);
}

.page-faq .faq-step__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.82;
  color: rgba(243, 235, 218, 0.68);
}

/* ---------- 提示块 ---------- */

.page-faq .faq-note {
  margin-top: 30px;
  padding: 22px 24px;
  border-radius: var(--radius-md);
  background: var(--panel-600);
  border-left: 3px solid var(--purple-500);
}

.page-faq .faq-note--emerald {
  border-left-color: var(--emerald-500);
}

.page-faq .faq-note__title {
  margin: 0 0 10px;
  font-size: 16px;
  font-weight: 700;
  color: var(--cream-100);
}

.page-faq .faq-note__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.82;
  color: rgba(243, 235, 218, 0.68);
}

/* ---------- 等宽统计行 ---------- */

.page-faq .faq-statline {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 30px;
  align-items: baseline;
  margin: 8px 0;
  padding: 16px 2px;
  border-top: 1px solid var(--line-400);
  border-bottom: 1px solid var(--line-400);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--violet-muted);
}

.page-faq .faq-statline--inline {
  margin: 4px 0 18px;
  border-bottom-style: dashed;
  border-top-style: dashed;
}

/* ---------- 三档频率 ---------- */

.page-faq .faq-freq {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-faq .faq-freq__item {
  padding: 20px 20px 22px;
  border-radius: var(--radius-md);
  background: var(--faq-card);
  border: 1px solid var(--line-400);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-faq .faq-freq__name {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--cream-100);
}

.page-faq .faq-freq__item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(243, 235, 218, 0.66);
}

/* ---------- 两条通道 ---------- */

.page-faq .faq-channels {
  display: grid;
  gap: 14px;
}

.page-faq .faq-channel {
  padding: 20px 22px;
  border-radius: var(--radius-md);
  background: var(--ink-700);
  border: 1px solid var(--line-400);
}

.page-faq .faq-channel__name {
  margin: 0 0 8px;
  font-size: 15.5px;
  font-weight: 700;
  color: var(--gold-300);
}

.page-faq .faq-channel__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(243, 235, 218, 0.68);
}

/* ---------- 导出 ---------- */

.page-faq .faq-export {
  display: grid;
  gap: 26px;
}

.page-faq .faq-export__name {
  margin: 0 0 14px;
  font-size: 16px;
  font-weight: 700;
  color: var(--cream-100);
}

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

.page-faq .faq-export__list li {
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-400);
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(243, 235, 218, 0.68);
}

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

.page-faq .faq-export__list .mono {
  display: inline-block;
  min-width: 74px;
  margin-right: 8px;
  color: var(--gold-300);
  font-size: 13px;
}

.page-faq .faq-check {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: none;
  display: grid;
  gap: 14px;
}

.page-faq .faq-check li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(243, 235, 218, 0.7);
}

.page-faq .faq-check .mono {
  color: var(--purple-500);
  font-size: 13px;
  padding-top: 4px;
}

/* ---------- 反馈分类 ---------- */

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

.page-faq .faq-cats__list li {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  background: var(--ink-700);
  border: 1px solid var(--line-400);
  font-size: 14.5px;
  line-height: 1.72;
  color: rgba(243, 235, 218, 0.7);
}

.page-faq .faq-cats__list .tag {
  justify-self: start;
}

/* ---------- 工单流程 ---------- */

.page-faq .faq-track {
  margin-top: 32px;
  display: grid;
  gap: 16px;
}

.page-faq .faq-track__item {
  padding-left: 18px;
  border-left: 2px solid var(--line-400);
  transition: border-color 0.24s var(--ease-out);
}

.page-faq .faq-track__item:hover {
  border-left-color: var(--emerald-500);
}

.page-faq .faq-track__label {
  margin: 0 0 6px;
  font-size: 12.5px;
  letter-spacing: 0.16em;
  color: var(--emerald-500);
}

.page-faq .faq-track__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(243, 235, 218, 0.68);
}

/* ---------- 联系方式 ---------- */

.page-faq .faq-contact {
  margin-top: 32px;
  padding: 24px 24px 26px;
  border-radius: var(--radius-lg);
  background: linear-gradient(150deg, rgba(23, 192, 138, 0.12), rgba(30, 26, 43, 0.9) 62%);
  border: 1px solid rgba(23, 192, 138, 0.28);
}

.page-faq .faq-contact__title {
  margin: 0 0 12px;
  font-size: 16.5px;
  font-weight: 700;
  color: var(--cream-100);
}

.page-faq .faq-contact__line {
  margin: 0 0 10px;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(243, 235, 218, 0.82);
  word-break: break-word;
}

.page-faq .faq-contact__line a {
  color: var(--gold-300);
  text-decoration: none;
  border-bottom: 1px solid rgba(231, 206, 131, 0.4);
}

.page-faq .faq-contact__line a:hover,
.page-faq .faq-contact__line a:focus-visible {
  color: var(--cream-100);
  border-bottom-color: var(--cream-100);
}

.page-faq .faq-contact__hint {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: rgba(243, 235, 218, 0.6);
}

/* ---------- 速查折叠 ---------- */

.page-faq .faq-block--fast {
  border-top: 1px solid var(--line-400);
}

.page-faq .faq-qalist {
  display: grid;
}

.page-faq .qa-item {
  border-bottom: 1px solid var(--line-400);
}

.page-faq .qa-item > summary {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr) 22px;
  gap: 12px;
  align-items: center;
  padding: 18px 2px;
  cursor: pointer;
  list-style: none;
  transition: background 0.2s var(--ease-out);
}

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

.page-faq .qa-item > summary:hover {
  background: rgba(122, 75, 208, 0.1);
}

.page-faq .qa-item > summary:focus-visible {
  outline: 2px solid var(--gold-500);
  outline-offset: 2px;
  border-radius: 8px;
}

.page-faq .qa-item__idx {
  font-size: 13px;
  color: var(--purple-500);
  letter-spacing: 0.04em;
}

.page-faq .qa-item__q {
  font-size: 15.5px;
  font-weight: 500;
  line-height: 1.6;
  color: var(--cream-100);
}

.page-faq .qa-item__icon {
  position: relative;
  justify-self: end;
  width: 18px;
  height: 18px;
}

.page-faq .qa-item__icon::before,
.page-faq .qa-item__icon::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--gold-300);
  transition: transform 0.28s var(--ease-out), opacity 0.28s var(--ease-out);
}

.page-faq .qa-item__icon::before {
  width: 14px;
  height: 1.5px;
  transform: translate(-50%, -50%);
}

.page-faq .qa-item__icon::after {
  width: 1.5px;
  height: 14px;
  transform: translate(-50%, -50%);
}

.page-faq .qa-item[open] .qa-item__icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
  opacity: 0;
}

.page-faq .qa-item[open] > summary {
  background: rgba(122, 75, 208, 0.12);
}

.page-faq .qa-item__body {
  padding: 2px 6px 20px 52px;
  animation: faqQaIn 0.3s var(--ease-out);
}

.page-faq .qa-item__body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.82;
  color: rgba(243, 235, 218, 0.68);
}

@keyframes faqQaIn {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.page-faq .faq-fastmore {
  margin: 30px 0 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(243, 235, 218, 0.6);
}

.page-faq .faq-fastmore a {
  color: var(--gold-300);
  text-decoration: none;
  border-bottom: 1px solid rgba(231, 206, 131, 0.35);
}

.page-faq .faq-fastmore a:hover,
.page-faq .faq-fastmore a:focus-visible {
  color: var(--cream-100);
  border-bottom-color: var(--cream-100);
}

/* ---------- 断点 ---------- */

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

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

  .page-faq .faq-channels {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-export {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 34px;
  }

  .page-faq .faq-track {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px 26px;
  }

  .page-faq .faq-cats__list li {
    grid-template-columns: 116px minmax(0, 1fr);
    align-items: center;
    gap: 14px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding-top: 152px;
  }

  .page-faq .faq-shell {
    grid-template-columns: var(--faq-rail-w) minmax(0, 1fr);
    gap: 64px;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }

  .page-faq .faq-track {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-orbit--wide {
    max-width: 520px;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-orbit {
    max-width: 460px;
  }

  .page-faq .faq-block {
    padding: 56px 0 64px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-scene,
  .page-faq .faq-rail__list a,
  .page-faq .qa-item__icon::before,
  .page-faq .qa-item__icon::after {
    transition: none;
  }

  .page-faq .qa-item__body {
    animation: none;
  }
}
</main>>>