.page-faq {
  --faq-rule-dark: rgba(201, 212, 221, .18);
  --faq-rule-light: rgba(46, 58, 70, .14);
  --faq-tip-bg: var(--lg-ink);
  background: var(--lg-fog);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(40px, 7vw, 84px) 0 clamp(48px, 8vw, 96px);
  background: var(--lg-fog);
  color: var(--lg-text);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(58% 52% at 84% 8%, rgba(227, 166, 74, .20), transparent 68%),
    radial-gradient(50% 46% at 4% 92%, rgba(18, 179, 155, .16), transparent 70%);
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(201, 212, 221, .055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201, 212, 221, .055) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .55), transparent 76%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .55), transparent 76%);
  pointer-events: none;
}

.page-faq .faq-hero .lg-container {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero__crumb {
  font-size: 12px;
  letter-spacing: .08em;
  color: rgba(233, 239, 243, .6);
}

.page-faq .faq-hero__crumb a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease, color .2s ease;
}

.page-faq .faq-hero__crumb a:hover {
  color: var(--lg-gold);
  border-bottom-color: var(--lg-gold);
}

.page-faq .faq-hero__grid {
  margin-top: clamp(28px, 4vw, 56px);
  align-items: start;
}

.page-faq .faq-hero__index {
  display: inline-block;
  margin: 0 0 18px;
  padding: 5px 12px;
  color: var(--lg-gold);
  border: 1px solid rgba(227, 166, 74, .42);
}

.page-faq .faq-hero__title {
  margin: 0 0 22px;
  font-size: clamp(34px, 5.6vw, 74px);
  line-height: 1.14;
  font-weight: 200;
  letter-spacing: -.01em;
}

.page-faq .faq-hero__lead {
  max-width: 46ch;
  margin: 0;
  color: var(--lg-text-soft);
}

.page-faq .faq-hero__side-label {
  margin: 0 0 12px;
  color: var(--lg-grey);
}

.page-faq .faq-jump {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--faq-rule-dark);
}

.page-faq .faq-jump li {
  border-bottom: 1px solid var(--faq-rule-dark);
}

.page-faq .faq-jump a {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 16px;
  padding: 13px 4px;
  color: var(--lg-text);
  text-decoration: none;
  font-size: 15px;
  transition: color .22s ease, padding-left .22s ease;
}

.page-faq .faq-jump a::after {
  content: "→";
  font-size: 14px;
  color: var(--lg-grey);
  transition: transform .22s ease, color .22s ease;
}

.page-faq .faq-jump a:hover,
.page-faq .faq-jump a:focus-visible {
  color: var(--lg-gold);
  padding-left: 10px;
}

.page-faq .faq-jump a:hover::after,
.page-faq .faq-jump a:focus-visible::after {
  color: var(--lg-gold);
  transform: translateX(4px);
}

.page-faq .faq-jump__idx {
  font-family: var(--lg-font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--lg-red);
}

.page-faq .faq-hero__facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1px;
  margin-top: clamp(34px, 5vw, 60px);
  border: 1px solid var(--faq-rule-dark);
  background: var(--faq-rule-dark);
}

.page-faq .faq-fact {
  display: grid;
  gap: 6px;
  padding: 18px 20px;
  background: rgba(20, 28, 36, .62);
}

.page-faq .faq-fact__v {
  font-size: clamp(26px, 3.2vw, 38px);
  line-height: 1;
  color: var(--lg-gold);
  font-weight: 300;
}

.page-faq .faq-fact__l {
  font-size: 12px;
  letter-spacing: .07em;
  color: var(--lg-text-soft);
}

/* ---------- 分组外壳 ---------- */
.page-faq .faq-group--light {
  background: var(--lg-white);
  color: var(--lg-ink-text);
}

.page-faq .faq-group--dark {
  background: var(--lg-fog);
  color: var(--lg-text);
}

.page-faq .faq-group__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 20px;
  padding: 16px 22px;
  margin-bottom: clamp(28px, 4vw, 48px);
  border-left: 4px solid var(--lg-red);
}

.page-faq .faq-group--light .faq-group__head {
  background: rgba(46, 58, 70, .06);
}

.page-faq .faq-group--dark .faq-group__head {
  background: rgba(201, 212, 221, .08);
}

.page-faq #delivery .faq-group__head {
  border-left-color: var(--lg-red);
}

.page-faq #supply .faq-group__head {
  border-left-color: var(--lg-gold);
}

.page-faq #spec .faq-group__head {
  border-left-color: var(--lg-teal);
}

.page-faq #process .faq-group__head {
  border-left-color: var(--lg-orange);
}

.page-faq #service .faq-group__head {
  border-left-color: var(--lg-red);
}

.page-faq .faq-group__idx {
  font-size: clamp(24px, 3.4vw, 38px);
  line-height: 1;
  font-weight: 300;
  color: var(--lg-grey);
}

.page-faq .faq-group__title {
  margin: 0;
  flex: 1 1 auto;
  min-width: 200px;
}

.page-faq .faq-group__note {
  margin: 0;
  flex: 1 1 100%;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--lg-grey);
}

.page-faq .faq-group__grid {
  align-items: start;
}

/* ---------- 交付周期刻度 ---------- */
.page-faq .faq-group__media {
  margin: 0 0 clamp(30px, 4vw, 48px);
}

.page-faq .faq-group__media .lg-media__caption {
  font-size: 12px;
  letter-spacing: .04em;
}

.page-faq .faq-scale {
  display: grid;
  gap: 24px;
  margin: 0 0 clamp(34px, 5vw, 56px);
}

.page-faq .faq-scale__row {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
}

.page-faq .faq-scale__label {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .02em;
}

.page-faq .faq-scale__track {
  position: relative;
  display: block;
  height: 10px;
  border-radius: 999px;
  background: rgba(46, 58, 70, .10);
  overflow: hidden;
}

.page-faq .faq-scale__range {
  position: absolute;
  top: 0;
  bottom: 0;
  display: block;
  border-radius: 999px;
}

.page-faq .faq-scale__row:nth-child(1) .faq-scale__range {
  left: 20%;
  width: 14.3%;
  background: var(--lg-teal);
}

.page-faq .faq-scale__row:nth-child(2) .faq-scale__range {
  left: 42.9%;
  width: 28.6%;
  background: var(--lg-orange);
}

.page-faq .faq-scale__row:nth-child(3) .faq-scale__range {
  left: 57.1%;
  width: 42.9%;
  background: var(--lg-red);
}

.page-faq .faq-scale__nums {
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--lg-ink-text);
}

.page-faq .faq-scale__nums b {
  font-size: 16px;
  font-weight: 700;
  color: var(--lg-ink);
}

.page-faq .faq-scale__tip {
  display: block;
  font-size: 12px;
  line-height: 1.65;
  color: var(--lg-grey);
  font-style: normal;
}

/* ---------- 问题列表 ---------- */
.page-faq .faq-list {
  display: grid;
}

.page-faq .faq-item {
  border-top: 1px solid var(--faq-rule-light);
  border-left: 3px solid transparent;
  transition: border-color .25s ease, background-color .25s ease;
}

.page-faq .faq-group--dark .faq-item {
  border-top-color: var(--faq-rule-dark);
}

.page-faq .faq-list .faq-item:last-child {
  border-bottom: 1px solid var(--faq-rule-light);
}

.page-faq .faq-group--dark .faq-list .faq-item:last-child {
  border-bottom-color: var(--faq-rule-dark);
}

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

.page-faq .faq-group--light .faq-item[open] {
  background: rgba(46, 58, 70, .035);
}

.page-faq .faq-group--dark .faq-item[open] {
  background: rgba(201, 212, 221, .04);
}

.page-faq .faq-item__q {
  display: grid;
  grid-template-columns: 30px 1fr 20px;
  align-items: baseline;
  gap: 14px;
  padding: 20px 8px 20px 0;
  cursor: pointer;
  list-style: none;
  font-size: clamp(16px, 2vw, 20px);
  font-weight: 700;
  line-height: 1.5;
}

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

.page-faq .faq-item__q:focus-visible {
  outline: 2px solid var(--lg-red);
  outline-offset: -2px;
}

.page-faq .faq-item__num {
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--lg-grey);
  padding-top: 6px;
}

.page-faq .faq-item__text {
  display: block;
}

.page-faq .faq-item__sign {
  position: relative;
  align-self: center;
  width: 16px;
  height: 16px;
  justify-self: end;
  color: var(--lg-red);
}

.page-faq .faq-item__sign::before,
.page-faq .faq-item__sign::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 1.5px;
  background: currentColor;
  transform: translateY(-50%);
  transition: transform .25s ease, opacity .25s ease;
}

.page-faq .faq-item__sign::after {
  transform: translateY(-50%) rotate(90deg);
}

.page-faq .faq-item[open] .faq-item__sign::after {
  transform: translateY(-50%) rotate(0deg);
  opacity: 0;
}

.page-faq .faq-item__a {
  padding: 0 8px 24px 0;
  max-width: 74ch;
}

.page-faq .faq-group--light .faq-item__a {
  color: #56626E;
}

.page-faq .faq-group--dark .faq-item__a {
  color: var(--lg-text-soft);
}

.page-faq .faq-item__a p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.8;
}

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

.page-faq .faq-item__link a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--lg-red);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease, gap .2s ease;
}

.page-faq .faq-item__link a::after {
  content: "→";
  transition: transform .2s ease;
}

.page-faq .faq-item__link a:hover {
  border-bottom-color: var(--lg-red);
}

.page-faq .faq-item__link a:hover::after {
  transform: translateX(3px);
}

.page-faq .faq-group--dark .faq-item__link a {
  color: var(--lg-gold);
}

.page-faq .faq-group--dark .faq-item__link a:hover {
  border-bottom-color: var(--lg-gold);
}

/* ---------- 供货分组导语 ---------- */
.page-faq .faq-supply__intro .lg-lead {
  color: var(--lg-text-soft);
  margin-bottom: 22px;
}

.page-faq .faq-supply__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 参数分组侧栏 ---------- */
.page-faq .faq-spec__aside {
  padding: 26px 24px;
  background: rgba(18, 179, 155, .07);
  border-left: 3px solid var(--lg-teal);
}

.page-faq .faq-spec__aside-title {
  margin: 0 0 18px;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: .01em;
}

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

.page-faq .faq-spec__list li {
  display: grid;
  grid-template-columns: 10px 1fr;
  gap: 12px;
  font-size: 14px;
  line-height: 1.75;
  color: #56626E;
}

.page-faq .faq-spec__dot {
  display: block;
  width: 8px;
  height: 8px;
  margin-top: 8px;
  border-radius: 50%;
  background: var(--lg-teal);
}

/* ---------- 对接流程 ---------- */
.page-faq .faq-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: 0 0 clamp(34px, 5vw, 56px);
  padding: 0;
  list-style: none;
  background: var(--faq-rule-dark);
  border: 1px solid var(--faq-rule-dark);
}

.page-faq .faq-step {
  position: relative;
  padding: 24px 22px 26px;
  background: rgba(20, 28, 36, .6);
}

.page-faq .faq-step__idx {
  display: block;
  margin-bottom: 12px;
  font-size: 26px;
  line-height: 1;
  color: var(--lg-orange);
  font-weight: 300;
}

.page-faq .faq-step__title {
  margin: 0 0 10px;
  font-size: 18px;
  font-weight: 700;
  color: var(--lg-text);
}

.page-faq .faq-step__body {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--lg-text-soft);
}

.page-faq .faq-step__time {
  display: inline-block;
  padding: 4px 10px;
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--lg-gold);
  border: 1px solid rgba(227, 166, 74, .4);
}

.page-faq .faq-prep__title {
  margin: 0 0 20px;
  font-size: 17px;
  font-weight: 700;
  color: var(--lg-text);
}

.page-faq .faq-prep__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin: 0;
  border-top: 1px solid var(--faq-rule-dark);
}

.page-faq .faq-prep__item {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--faq-rule-dark);
}

.page-faq .faq-prep__item dt {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--lg-teal);
}

.page-faq .faq-prep__item dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--lg-text-soft);
}

/* ---------- 售后侧图 ---------- */
.page-faq .faq-service__media {
  margin: 0;
}

.page-faq .faq-service__media .lg-media__caption {
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--lg-grey);
}

/* ---------- 行动区 ---------- */
.page-faq .faq-cta {
  background: var(--lg-ink);
  color: var(--lg-text);
}

.page-faq .faq-cta__panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  padding: clamp(28px, 4vw, 52px);
  background: rgba(46, 58, 70, .5);
  border: 1px solid var(--faq-rule-dark);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}

.page-faq .faq-cta__index {
  margin: 0 0 16px;
  color: var(--lg-gold);
}

.page-faq .faq-cta__title {
  margin: 0 0 16px;
  font-size: clamp(22px, 3vw, 34px);
  line-height: 1.3;
}

.page-faq .faq-cta__body {
  margin: 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--lg-text-soft);
}

.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: flex-start;
}

/* ---------- 响应式 ---------- */
@media (max-width: 899px) {
  .page-faq .faq-hero__side {
    margin-top: 34px;
  }

  .page-faq .faq-spec__aside,
  .page-faq .faq-service__media {
    margin-top: 32px;
  }

  .page-faq .faq-cta__actions {
    justify-content: flex-start;
  }
}

@media (min-width: 720px) {
  .page-faq .faq-scale__row {
    grid-template-columns: 168px 1fr 132px;
    align-items: center;
    gap: 22px;
  }

  .page-faq .faq-scale__tip {
    position: absolute;
    left: 190px;
    top: 100%;
    margin-top: 8px;
    padding: 6px 11px;
    background: var(--faq-tip-bg);
    color: var(--lg-white);
    font-size: 12px;
    line-height: 1.6;
    white-space: nowrap;
    border-radius: var(--lg-radius);
    opacity: 0;
    transform: translateY(-4px);
    pointer-events: none;
    transition: opacity .2s ease, transform .2s ease;
    z-index: 3;
  }

  .page-faq .faq-scale__row:hover .faq-scale__tip,
  .page-faq .faq-scale__row:focus-within .faq-scale__tip {
    opacity: 1;
    transform: translateY(0);
  }

  .page-faq .faq-prep__list {
    grid-template-columns: repeat(2, 1fr);
    gap: 0 40px;
  }

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

@media (min-width: 1000px) {
  .page-faq .faq-steps {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-faq .faq-item__a {
    padding-left: 44px;
  }

  .page-faq .faq-cta__panel {
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 40px;
  }

  .page-faq .faq-cta__actions {
    flex-direction: column;
    align-items: stretch;
  }
}
</PAGE_CSS>>>