.page-faq {
  --faq-line: rgba(234, 241, 246, .14);
  --faq-line-paper: rgba(10, 26, 42, .14);
  --faq-dim: rgba(234, 241, 246, .70);
  display: block;
  background: var(--ink-900);
  color: var(--white);
}

/* ---------- 面包屑在深底上的可读性 ---------- */
.page-faq .breadcrumb-list {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
}
.page-faq .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  margin-right: 8px;
  color: rgba(234, 241, 246, .38);
}
.page-faq .breadcrumb-link {
  color: var(--faq-dim);
  text-decoration: none;
}
.page-faq .breadcrumb-link:hover,
.page-faq .breadcrumb-link:focus-visible { color: var(--orange); }
.page-faq .breadcrumb-current { color: var(--cyan); }

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: 28px 0 50px;
  background:
    linear-gradient(158deg, var(--ink-900) 0%, var(--ink-850) 54%, var(--ink-800) 100%);
}
.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -34%;
  right: -22%;
  width: 64%;
  height: 178%;
  background: linear-gradient(190deg, rgba(226, 58, 34, .34), rgba(226, 58, 34, 0) 68%);
  transform: rotate(-19deg);
  pointer-events: none;
}
.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--red), var(--orange) 46%, var(--cyan));
}
.page-faq .faq-hero .container { position: relative; z-index: 1; }

.page-faq .faq-hero__title {
  margin: 14px 0 0;
  max-width: 20ch;
  font-size: clamp(2.15rem, 7vw, 5rem);
  line-height: .97;
  letter-spacing: -.02em;
}
.page-faq .faq-hero__lead {
  margin: 22px 0 0;
  max-width: 60ch;
  font-size: 1.0625rem;
  line-height: 1.78;
  color: var(--faq-dim);
}

.page-faq .faq-hero__stats {
  list-style: none;
  margin: 30px 0 0;
  padding: 1px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--faq-line);
  border: 1px solid var(--faq-line);
  border-radius: 14px;
  overflow: hidden;
}
.page-faq .faq-hero__stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 18px;
  background: rgba(13, 35, 52, .92);
}
.page-faq .faq-stat__num {
  font-family: var(--font-mono);
  font-size: 1.7rem;
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}
.page-faq .faq-stat__label {
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--faq-dim);
}

/* ---------- 三步流程面板 ---------- */
.page-faq .faq-steps {
  padding: 0 0 58px;
  background: var(--ink-900);
}
.page-faq .faq-steps__board {
  display: grid;
  gap: 26px;
  padding: 28px 20px 44px;
  background: linear-gradient(152deg, var(--ink-800) 0%, var(--ink-850) 60%, var(--ink-900) 100%);
  border: 1px solid var(--faq-line);
  border-radius: 22px 22px 22px 8px;
  box-shadow: var(--shadow);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 36px), 0 100%);
}
.page-faq .faq-steps__title {
  margin: 12px 0 0;
  font-size: clamp(1.6rem, 4.6vw, 2.6rem);
  line-height: 1.08;
}
.page-faq .faq-steps__note {
  margin: 14px 0 0;
  max-width: 58ch;
  font-size: 1rem;
  line-height: 1.78;
  color: var(--faq-dim);
}

.page-faq .step-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
}
.page-faq .step {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 16px;
  padding: 0 0 26px;
}
.page-faq .step:last-child { padding-bottom: 0; }
.page-faq .step__rail {
  position: relative;
  display: flex;
  justify-content: center;
}
.page-faq .step__rail::after {
  content: "";
  position: absolute;
  top: 46px;
  bottom: -26px;
  left: 50%;
  width: 1px;
  transform: translateX(-50%);
  background: linear-gradient(180deg, rgba(47, 240, 200, .70), rgba(47, 240, 200, .06));
}
.page-faq .step:last-child .step__rail::after { display: none; }
.page-faq .step__num {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--cyan);
  background: rgba(47, 240, 200, .09);
  border: 1px solid rgba(47, 240, 200, .42);
  border-radius: 50%;
}
.page-faq .step__title {
  margin: 8px 0 8px;
  font-size: 1.125rem;
  line-height: 1.42;
  color: var(--white);
}
.page-faq .step__body p {
  margin: 0;
  font-size: .98rem;
  line-height: 1.78;
  color: var(--faq-dim);
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure { margin: 0; }
.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border-radius: 14px;
  border: 1px solid var(--faq-line);
  background: var(--ink-850);
}
.page-faq .faq-figure figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--moss);
}
.page-faq .faq-steps__media { align-self: stretch; }
.page-faq .faq-steps__media img { min-height: 200px; }

/* ---------- 问答主体 ---------- */
.page-faq .faq-body { padding: 52px 0 60px; }
.page-faq .faq-layout {
  display: grid;
  gap: 30px;
}

.page-faq .faq-index {
  padding: 18px 16px;
  border-left: 3px solid var(--clay);
  border-radius: 0 14px 14px 0;
  background: rgba(10, 26, 42, .05);
}
.page-faq .faq-index__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--clay);
}
.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}
.page-faq .faq-index__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 9px 10px;
  border-left: 2px solid transparent;
  border-radius: 8px;
  color: var(--ink-900);
  font-size: .94rem;
  text-decoration: none;
  transition: background .25s var(--ease), border-color .25s var(--ease), color .25s var(--ease);
}
.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  background: rgba(226, 58, 34, .09);
  border-left-color: var(--orange);
  color: var(--red-deep);
}
.page-faq .faq-index__num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  color: var(--moss);
}

.page-faq .qa-group { padding-bottom: 34px; }
.page-faq .qa-group + .qa-group {
  padding-top: 30px;
  border-top: 1px solid var(--faq-line-paper);
}
.page-faq .qa-group__head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 8px;
}
.page-faq .qa-group__marker {
  flex: 0 0 auto;
  width: 10px;
  height: 10px;
  transform: rotate(45deg);
  background: var(--clay);
}
.page-faq .qa-group--sync .qa-group__marker { background: var(--moss); }
.page-faq .qa-group--report .qa-group__marker { background: var(--orange); }
.page-faq .qa-group--version .qa-group__marker { background: var(--red); }
.page-faq .qa-group__title {
  margin: 0;
  font-size: clamp(1.2rem, 3vw, 1.5rem);
  line-height: 1.3;
  color: var(--ink-900);
}
.page-faq .qa-group__count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--moss);
}

.page-faq .qa-item { border-bottom: 1px solid var(--faq-line-paper); }
.page-faq .qa-q {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 2px;
  list-style: none;
  cursor: pointer;
  font-size: 1.0625rem;
  font-weight: 600;
  line-height: 1.55;
  color: var(--ink-900);
  transition: color .25s var(--ease);
}
.page-faq .qa-q::-webkit-details-marker { display: none; }
.page-faq .qa-q:hover,
.page-faq .qa-q:focus-visible { color: var(--red-deep); }
.page-faq .qa-q::after {
  content: "+";
  flex: 0 0 auto;
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1.2;
  color: var(--red);
  transition: transform .3s var(--ease), color .3s var(--ease);
}
.page-faq .qa-item[open] .qa-q::after {
  content: "\2212";
  transform: rotate(180deg);
  color: var(--orange);
}
.page-faq .qa-a {
  max-width: 66ch;
  padding: 0 0 18px;
  animation: faq-unfold .38s var(--ease);
}
.page-faq .qa-a p {
  margin: 0;
  font-size: .98rem;
  line-height: 1.82;
  color: var(--ink-700);
}
.page-faq .qa-group .faq-figure { margin-top: 22px; }
.page-faq .qa-group .faq-figure img { border-color: var(--faq-line-paper); }

@keyframes faq-unfold {
  from { opacity: 0; transform: translateY(-6px); clip-path: inset(0 0 100% 0); }
  to { opacity: 1; transform: none; clip-path: inset(0 0 0 0); }
}

/* ---------- 找客服 ---------- */
.page-faq .faq-help {
  position: relative;
  padding: 54px 0 58px;
  background:
    radial-gradient(120% 130% at 88% 0%, rgba(255, 123, 46, .22), rgba(255, 123, 46, 0) 58%),
    linear-gradient(200deg, var(--ink-850), var(--ink-900));
  border-top: 1px solid var(--faq-line);
}
.page-faq .faq-help__grid { display: grid; gap: 26px; }
.page-faq .faq-help__title {
  margin: 12px 0 0;
  font-size: clamp(1.6rem, 4.6vw, 2.5rem);
  line-height: 1.1;
}
.page-faq .faq-help__lead {
  margin: 14px 0 0;
  max-width: 56ch;
  font-size: 1rem;
  line-height: 1.78;
  color: var(--faq-dim);
}
.page-faq .faq-help__list {
  list-style: none;
  margin: 22px 0 26px;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-faq .faq-help__list li {
  position: relative;
  padding-left: 22px;
  font-size: .98rem;
  line-height: 1.6;
  color: var(--white);
}
.page-faq .faq-help__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .58em;
  width: 8px;
  height: 8px;
  transform: rotate(45deg);
  background: var(--orange);
}
.page-faq .faq-help__btn { display: inline-flex; }

.page-faq .faq-help__card {
  align-self: start;
  padding: 24px 22px;
  border: 1px solid var(--faq-line-strong);
  border-radius: 18px 18px 18px 6px;
  background: rgba(10, 26, 42, .72);
}
.page-faq .faq-help__card-label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--cyan);
}
.page-faq .faq-help__mail {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--white);
  word-break: break-all;
}
.page-faq .faq-help__phone {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 1.35rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--orange);
}
.page-faq .faq-help__hours {
  margin: 12px 0 0;
  font-size: .92rem;
  color: var(--faq-dim);
}
.page-faq .faq-help__tip {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--faq-line);
  font-size: .92rem;
  line-height: 1.72;
  color: var(--faq-dim);
}

/* ---------- 分类目录 ---------- */
.page-faq .faq-catalog { padding: 52px 0 62px; }
.page-faq .faq-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--clay);
}
.page-faq .faq-kicker::before {
  content: "";
  width: 7px;
  height: 7px;
  transform: rotate(45deg);
  background: var(--moss);
}
.page-faq .faq-catalog__title {
  margin: 12px 0 0;
  font-size: clamp(1.6rem, 4.6vw, 2.5rem);
  line-height: 1.1;
  color: var(--ink-900);
}
.page-faq .faq-catalog__lead {
  margin: 14px 0 0;
  max-width: 58ch;
  font-size: 1rem;
  line-height: 1.78;
  color: var(--ink-700);
}
.page-faq .faq-catalog__grid {
  list-style: none;
  margin: 28px 0 0;
  padding: 1px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--faq-line-paper);
  border: 1px solid var(--faq-line-paper);
  border-radius: 16px;
  overflow: hidden;
}
.page-faq .faq-catalog__item {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  padding: 15px 16px;
  background: var(--paper);
}
.page-faq .faq-catalog__name {
  font-size: .96rem;
  line-height: 1.45;
  color: var(--ink-900);
}
.page-faq .faq-catalog__count {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--clay);
}
.page-faq .faq-catalog__foot {
  margin: 24px 0 0;
  font-size: .96rem;
  line-height: 1.8;
  color: var(--ink-700);
}
.page-faq .faq-catalog__foot a {
  color: var(--red-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-faq .faq-catalog__foot a:hover,
.page-faq .faq-catalog__foot a:focus-visible { color: var(--clay); }

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-hero { padding: 34px 0 62px; }
  .page-faq .faq-hero__stats { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .page-faq .faq-steps__board { padding: 34px 28px 52px; }
  .page-faq .faq-catalog__grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (min-width: 900px) {
  .page-faq .faq-steps__board {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    gap: 40px;
    padding: 42px 46px 66px;
  }
  .page-faq .faq-steps__intro { grid-column: 1 / -1; }
  .page-faq .faq-help__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    gap: 48px;
    align-items: start;
  }
}

@media (min-width: 980px) {
  .page-faq .faq-layout {
    grid-template-columns: 248px minmax(0, 1fr);
    gap: 54px;
    align-items: start;
  }
  .page-faq .faq-index { position: sticky; top: 96px; }
  .page-faq .faq-catalog__grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa-a { animation: none; }
  .page-faq .qa-q::after { transition: color .2s linear; }
}
<<<END>>>

.page-faq {
  --faq-line-strong: currentColor;
}