.page-faq {
  --faq-grid-line: rgba(143, 163, 168, .09);
  --faq-tick: rgba(242, 169, 59, .55);
  --faq-body: rgba(244, 239, 227, .82);
  --faq-on-cream: #4A3F33;
  --faq-on-cream-dim: #7A6C5C;
}

.page-faq .faq-crumb {
  padding: 16px 0 2px;
}

/* ---------- Hero ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: 30px 0 42px;
  background:
    radial-gradient(circle at 82% 8%, rgba(47, 158, 106, .24), transparent 58%),
    linear-gradient(180deg, var(--ink) 0%, #0D1B16 100%);
  border-bottom: 3px solid var(--brown);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--faq-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--faq-grid-line) 1px, transparent 1px);
  background-size: 46px 46px;
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 22px;
}

.page-faq .faq-hero__title {
  margin: 14px 0 0;
  font-size: clamp(52px, 15vw, 96px);
  font-weight: 900;
  line-height: .92;
  letter-spacing: -.03em;
  color: var(--cream);
}

.page-faq .faq-hero__sub {
  margin: 0 0 14px;
  font-size: clamp(18px, 4.6vw, 24px);
  font-weight: 700;
  line-height: 1.5;
  color: var(--amber-lite);
}

.page-faq .faq-hero__lead {
  margin: 0;
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--steel);
}

.page-faq .faq-hero__lead .num {
  color: var(--amber);
  font-weight: 700;
}

/* ---------- 分类总览 ---------- */
.page-faq .faq-cats {
  padding: 34px 0 8px;
}

.page-faq .faq-cats__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 22px;
}

.page-faq .faq-cat {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px 18px 16px 22px;
  background: linear-gradient(160deg, var(--panel) 0%, var(--panel-2) 100%);
  border: 2px solid var(--line-dark);
  border-radius: var(--radius);
  box-shadow: var(--shadow-dark);
  color: var(--cream);
  text-decoration: none;
  overflow: hidden;
  transition: transform .18s var(--ease), border-color .18s var(--ease);
}

.page-faq .faq-cat::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 5px;
  background: var(--pitch);
}

.page-faq .faq-cat--account::after { background: var(--pitch); }
.page-faq .faq-cat--device::after { background: var(--amber); }
.page-faq .faq-cat--data::after { background: var(--steel); }
.page-faq .faq-cat--alert::after { background: var(--alert); }

.page-faq .faq-cat:hover,
.page-faq .faq-cat:focus-visible {
  transform: translateY(-3px);
  border-color: var(--line-amber);
  outline: none;
}

.page-faq .faq-cat:focus-visible {
  box-shadow: 0 0 0 3px var(--amber-lite), var(--shadow-dark);
}

.page-faq .faq-cat__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border: 2px solid var(--line-dark);
  border-radius: var(--radius);
  background: rgba(10, 18, 16, .55);
  color: var(--amber);
}

.page-faq .faq-cat--account .faq-cat__icon { color: var(--pitch); }
.page-faq .faq-cat--device .faq-cat__icon { color: var(--amber); }
.page-faq .faq-cat--data .faq-cat__icon { color: var(--steel); }
.page-faq .faq-cat--alert .faq-cat__icon { color: var(--alert); }

.page-faq .faq-cat__name {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: .01em;
}

.page-faq .faq-cat__desc {
  font-size: 14px;
  line-height: 1.6;
  color: var(--steel);
}

.page-faq .faq-cat__count {
  margin-top: auto;
  padding-top: 8px;
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--steel);
}

.page-faq .faq-cat__count .num {
  font-size: 18px;
  font-weight: 700;
  color: var(--amber);
}

.page-faq .faq-figure {
  margin: 26px 0 0;
}

.page-faq .faq-figure .media-frame {
  border: 3px solid var(--brown);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hard);
  background: var(--panel-2);
}

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

.page-faq .faq-figure figcaption,
.page-faq .faq-split__media figcaption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--steel);
  letter-spacing: .03em;
}

/* ---------- 分组 ---------- */
.page-faq .faq-group {
  padding: 28px 0 8px;
  border-top: 2px solid rgba(143, 163, 168, .16);
  scroll-margin-top: 108px;
  border-radius: var(--radius);
  transition: background-color .3s var(--ease);
}

.page-faq .faq-group:target {
  background: rgba(47, 158, 106, .07);
}

.page-faq .faq-group:target .faq-group__title {
  color: var(--amber);
}

.page-faq .faq-group__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 14px;
  margin-bottom: 20px;
}

.page-faq .faq-group__kicker {
  font-family: var(--font-num);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--ink);
  background: var(--amber);
  padding: 3px 9px;
  border-radius: var(--radius);
}

.page-faq .faq-group__title {
  margin: 0;
  font-size: clamp(24px, 5.5vw, 36px);
  font-weight: 900;
  letter-spacing: -.01em;
  color: var(--cream);
  transition: color .25s var(--ease);
}

.page-faq .faq-group__meta {
  flex: 1 1 100%;
  margin: 0;
  font-size: 13px;
  letter-spacing: .05em;
  color: var(--steel);
}

.page-faq .faq-group__meta .num {
  color: var(--amber-lite);
  font-weight: 700;
}

/* ---------- 折叠问答 ---------- */
.page-faq .qa-list {
  counter-reset: qa;
  display: grid;
  gap: 10px;
}

.page-faq .qa {
  counter-increment: qa;
  background: var(--panel);
  border: 2px solid var(--line-dark);
  border-left: 6px solid var(--line-dark);
  border-radius: var(--radius);
  box-shadow: var(--shadow-dark);
  transition: border-left-color .22s var(--ease), border-color .22s var(--ease);
}

.page-faq .qa[open] {
  border-left-color: var(--pitch);
  border-color: var(--line-dark);
}

.page-faq .qa__q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 16px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--cream);
  cursor: pointer;
  list-style: none;
}

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

.page-faq .qa__q::before {
  content: counter(qa, decimal-leading-zero);
  flex: none;
  font-family: var(--font-num);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--amber);
  padding-top: 3px;
}

.page-faq .qa__q::after {
  content: "＋";
  flex: none;
  margin-left: auto;
  font-size: 16px;
  line-height: 1.4;
  color: var(--steel);
  transition: color .2s var(--ease);
}

.page-faq .qa[open] .qa__q::after {
  content: "−";
  color: var(--pitch);
}

.page-faq .qa__q:hover::after,
.page-faq .qa__q:focus-visible::after {
  color: var(--amber);
}

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

.page-faq .qa__a {
  padding: 0 16px 18px 16px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--faq-body);
}

.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(--amber-lite);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 设备分组的两列 ---------- */
.page-faq .faq-split {
  display: grid;
  gap: 24px;
}

.page-faq .faq-split__media {
  margin: 0;
}

.page-faq .faq-split__media .media-frame {
  max-width: 300px;
  margin: 0 auto;
  border: 3px solid var(--brown);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hard);
  background: var(--panel-2);
}

/* ---------- 轮次横条 ---------- */
.page-faq .faq-roundbar {
  margin: 30px 0 4px;
  background: linear-gradient(90deg, rgba(18, 51, 38, .96), rgba(14, 35, 25, .96));
  border: 2px solid var(--line-amber);
  border-radius: var(--radius);
  box-shadow: var(--shadow-dark);
  overflow: hidden;
}

.page-faq .faq-roundbar::before {
  content: "";
  display: block;
  height: 6px;
  background: repeating-linear-gradient(90deg, var(--faq-tick) 0 2px, transparent 2px 16px);
}

.page-faq .faq-roundbar__sum {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-roundbar__sum:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: -3px;
}

.page-faq .faq-roundbar__tag {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--ink);
  background: var(--amber);
  padding: 3px 9px;
  border-radius: var(--radius);
}

.page-faq .faq-roundbar__value {
  font-family: var(--font-num);
  font-size: clamp(20px, 4.6vw, 26px);
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--amber-lite);
}

.page-faq .faq-roundbar__hint {
  margin-left: auto;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--steel);
}

.page-faq .faq-roundbar__hint::after {
  content: "▾";
  margin-left: 6px;
  color: var(--amber);
}

.page-faq .faq-roundbar[open] .faq-roundbar__hint::after {
  content: "▴";
}

.page-faq .faq-roundbar__body {
  padding: 6px 18px 20px;
  border-top: 1px solid var(--line-amber);
}

.page-faq .faq-roundbar__list {
  display: grid;
  gap: 8px;
  margin: 16px 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-roundbar__list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--faq-body);
}

.page-faq .faq-roundbar__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 7px;
  height: 7px;
  background: var(--pitch);
}

.page-faq .faq-roundbar__list .num {
  color: var(--amber);
  font-weight: 700;
}

.page-faq .faq-roundbar__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--steel);
}

.page-faq .faq-roundbar__body a {
  color: var(--amber-lite);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 联系收束 ---------- */
.page-faq .faq-contact-wrap {
  padding: 26px 0 4px;
}

.page-faq .faq-contact {
  display: grid;
  gap: 24px;
  padding: 26px 20px;
  margin: 10px 0 44px;
  background: var(--cream);
  color: var(--brown);
  border: 3px solid var(--brown);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hard);
}

.page-faq .faq-contact__tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--cream);
  background: var(--alert);
  padding: 4px 10px;
  border-radius: var(--radius);
}

.page-faq .faq-contact__title {
  margin: 12px 0 10px;
  font-size: clamp(22px, 5vw, 32px);
  font-weight: 900;
  line-height: 1.25;
  color: var(--brown);
}

.page-faq .faq-contact__lead {
  margin: 0 0 18px;
  font-size: 16px;
  line-height: 1.75;
  color: var(--faq-on-cream);
}

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

.page-faq .faq-prep__list li {
  position: relative;
  padding-left: 24px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--faq-on-cream);
}

.page-faq .faq-prep__list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  font-weight: 700;
  color: var(--pitch);
}

.page-faq .faq-contact__list {
  display: grid;
  gap: 12px;
  margin: 0 0 20px;
  padding: 0;
}

.page-faq .faq-contact__row {
  display: grid;
  gap: 4px;
  padding-bottom: 12px;
  border-bottom: 1px dashed rgba(36, 28, 20, .3);
}

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

.page-faq .faq-contact__row dt {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--faq-on-cream-dim);
}

.page-faq .faq-contact__row dd {
  margin: 0;
  font-family: var(--font-num);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--brown);
  word-break: break-word;
}

.page-faq .faq-contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.page-faq .faq-contact__note {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--faq-on-cream-dim);
}

.page-faq .faq-contact__note a {
  color: var(--brown);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-cats__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .qa__q {
    padding: 17px 20px;
    font-size: 17px;
  }

  .page-faq .qa__a {
    padding: 0 20px 20px 54px;
    font-size: 16px;
  }

  .page-faq .faq-group__meta {
    flex: 0 1 auto;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding: 62px 0 74px;
  }

  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: end;
    gap: 48px;
  }

  .page-faq .faq-cats {
    padding: 52px 0 12px;
  }

  .page-faq .faq-cats__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
  }

  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    align-items: start;
    gap: 32px;
  }

  .page-faq .faq-split__media .media-frame {
    max-width: none;
    margin: 0;
  }

  .page-faq .faq-contact {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 40px;
    padding: 36px 34px;
    margin-bottom: 56px;
  }

  .page-faq .faq-group {
    padding: 40px 0 12px;
  }

  .page-faq .faq-roundbar {
    margin: 40px 0 8px;
  }

  .page-faq .faq-roundbar__body {
    padding: 10px 24px 24px;
  }

  .page-faq .faq-roundbar__sum {
    padding: 18px 24px;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-hero__lead {
    font-size: 17px;
  }

  .page-faq .qa-list {
    gap: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-cat,
  .page-faq .qa,
  .page-faq .faq-group,
  .page-faq .faq-group__title {
    transition: none;
  }

  .page-faq .faq-cat:hover,
  .page-faq .faq-cat:focus-visible {
    transform: none;
  }
}
<<<END>>>