.page-faq {
  --faq-index-w: 240px;
  --faq-cat-warranty: #087A5C;
  --faq-cat-repair: #FF6A1A;
  --faq-cat-price: #1F4BFF;
  --faq-cat-account: #1B2029;
  --faq-ease: cubic-bezier(.2, .7, .3, 1);
  --faq-t: 180ms;
}

.page-faq .lq-crumbs {
  padding: 20px 0 0;
}

.page-faq .lq-crumbs a {
  color: var(--lq-blue-ink);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--faq-t) var(--faq-ease);
}

.page-faq .lq-crumbs a:hover,
.page-faq .lq-crumbs a:focus-visible {
  border-bottom-color: var(--lq-orange);
}

/* ---------- hero ---------- */

.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  background: var(--lq-void);
  color: var(--lq-paper);
  padding: 48px 0 56px;
  margin-top: 20px;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(90deg, rgba(201, 206, 216, .10) 0 1px, transparent 1px 96px);
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero__kicker {
  margin: 0 0 18px;
  font-family: var(--lq-font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--lq-orange);
}

.page-faq .faq-hero__title {
  margin: 0 0 20px;
  font-family: var(--lq-font-serif);
  font-weight: 900;
  font-size: clamp(34px, 8vw, 72px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  max-width: 16ch;
}

.page-faq .faq-hero__lede {
  margin: 0;
  max-width: 62ch;
  font-size: 17px;
  line-height: 1.75;
  color: rgba(245, 246, 248, .80);
}

.page-faq .faq-hero__stats {
  list-style: none;
  margin: 40px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: rgba(201, 206, 216, .22);
  border: 1px solid rgba(201, 206, 216, .22);
}

.page-faq .faq-hero__stats li {
  background: var(--lq-void);
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-faq .faq-hero__num {
  font-family: var(--lq-font-mono);
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
  color: var(--lq-orange);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-hero__cap {
  font-size: 13px;
  letter-spacing: .04em;
  color: rgba(245, 246, 248, .72);
}

/* ---------- 分类入口 ---------- */

.page-faq .faq-cats-band {
  padding: 56px 0 64px;
  background: var(--lq-paper);
}

.page-faq .faq-h2 {
  margin: 0 0 28px;
  font-family: var(--lq-font-serif);
  font-weight: 700;
  font-size: clamp(24px, 4.4vw, 40px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--lq-ink);
  max-width: 20ch;
}

.page-faq .faq-h2--light {
  color: var(--lq-paper);
}

.page-faq .faq-cats {
  display: grid;
  gap: 1px;
  background: var(--lq-line);
  border: 1px solid var(--lq-line);
}

.page-faq .faq-cat {
  background: var(--lq-paper);
  padding: 24px 22px 26px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: background var(--faq-t) var(--faq-ease);
}

.page-faq .faq-cat:hover {
  background: #fff;
}

.page-faq .faq-cat__count {
  margin: 0;
  font-family: var(--lq-font-mono);
  font-size: 34px;
  font-weight: 700;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-cat__count span {
  font-size: 13px;
  margin-left: 4px;
  font-weight: 500;
}

.page-faq .faq-cat--warranty .faq-cat__count { color: var(--faq-cat-warranty); }
.page-faq .faq-cat--repair .faq-cat__count { color: var(--faq-cat-repair); }
.page-faq .faq-cat--price .faq-cat__count { color: var(--faq-cat-price); }
.page-faq .faq-cat--account .faq-cat__count { color: var(--faq-cat-account); }

.page-faq .faq-cat__title {
  margin: 0;
  font-family: var(--lq-font-sans);
  font-size: 22px;
  font-weight: 700;
  color: var(--lq-ink);
}

.page-faq .faq-cat__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(18, 21, 28, .76);
  flex: 1;
}

.page-faq .faq-cat__link {
  align-self: flex-start;
  font-family: var(--lq-font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--lq-blue-ink);
  text-decoration: none;
  border-bottom: 1px solid var(--lq-line);
  padding-bottom: 2px;
  transition: border-color var(--faq-t) var(--faq-ease), color var(--faq-t) var(--faq-ease);
}

.page-faq .faq-cat__link:hover,
.page-faq .faq-cat__link:focus-visible {
  color: var(--lq-orange);
  border-bottom-color: var(--lq-orange);
}

/* ---------- 问答主体 ---------- */

.page-faq .faq-q-band {
  padding: 56px 0 72px;
  background: #fff;
}

.page-faq .faq-q__inner {
  display: grid;
  gap: 40px;
  min-width: 0;
}

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

.page-faq .faq-index__title {
  margin: 0 0 14px;
  font-family: var(--lq-font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--lq-blue-ink);
  padding-bottom: 10px;
  border-bottom: 1px solid var(--lq-line);
}

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

.page-faq .faq-index__item {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 0 10px 12px;
  font-size: 15px;
  color: rgba(18, 21, 28, .78);
  border-left: 2px solid transparent;
  transition: border-color var(--faq-t) var(--faq-ease), color var(--faq-t) var(--faq-ease), background var(--faq-t) var(--faq-ease);
}

.page-faq .faq-index__item:hover {
  border-left-color: var(--lq-orange);
  background: rgba(31, 75, 255, .06);
  color: var(--lq-ink);
}

.page-faq .faq-index__no {
  font-family: var(--lq-font-mono);
  font-size: 12px;
  color: var(--lq-blue);
}

.page-faq .faq-index__item--repair .faq-index__no { color: var(--lq-orange); }
.page-faq .faq-index__item--price .faq-index__no { color: var(--lq-blue-ink); }
.page-faq .faq-index__item--account .faq-index__no { color: var(--lq-ink); }
.page-faq .faq-index__item--warranty .faq-index__no { color: var(--lq-jade-deep); }

.page-faq .faq-index__note {
  margin: 22px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--lq-line);
  font-size: 13px;
  line-height: 1.7;
  color: rgba(18, 21, 28, .62);
}

.page-faq .faq-flow {
  min-width: 0;
}

.page-faq .faq-group {
  scroll-margin-top: calc(var(--lq-header-h) + 24px);
}

.page-faq .faq-group + .faq-group {
  margin-top: 48px;
}

.page-faq .faq-group__title {
  margin: 0 0 8px;
  display: flex;
  align-items: baseline;
  gap: 12px;
  font-family: var(--lq-font-serif);
  font-weight: 700;
  font-size: clamp(20px, 3.4vw, 28px);
  line-height: 1.3;
  color: var(--lq-ink);
  padding-bottom: 14px;
  border-bottom: 2px solid var(--lq-ink);
}

.page-faq .faq-group__no {
  font-family: var(--lq-font-mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--lq-orange);
}

.page-faq .faq-group:target {
  background: rgba(255, 106, 26, .05);
}

.page-faq .faq-item {
  position: relative;
  padding: 22px 0 24px 16px;
  margin-left: -16px;
  border-bottom: 1px solid var(--lq-line);
  box-shadow: inset 2px 0 0 transparent;
  transition: background var(--faq-t) var(--faq-ease), box-shadow var(--faq-t) var(--faq-ease);
}

.page-faq .faq-item:hover {
  background: rgba(31, 75, 255, .06);
  box-shadow: inset 2px 0 0 var(--lq-orange);
}

.page-faq .faq-item__num {
  margin: 0 0 8px;
  font-family: var(--lq-font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--lq-blue);
  font-variant-numeric: tabular-nums;
  transition: color var(--faq-t) var(--faq-ease);
}

.page-faq .faq-item:hover .faq-item__num {
  color: var(--lq-orange);
}

.page-faq .faq-item__q {
  margin: 0 0 10px;
  font-family: var(--lq-font-sans);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--lq-ink);
}

.page-faq .faq-item__a {
  margin: 0;
  max-width: 66ch;
  font-size: 16px;
  line-height: 1.75;
  color: rgba(18, 21, 28, .80);
}

.page-faq .faq-item__more {
  margin-top: 12px;
}

.page-faq .faq-item__more summary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  list-style: none;
  font-family: var(--lq-font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--lq-blue-ink);
  padding: 4px 2px;
  border-bottom: 1px solid var(--lq-line);
  transition: color var(--faq-t) var(--faq-ease), border-color var(--faq-t) var(--faq-ease);
}

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

.page-faq .faq-item__more summary::before {
  content: "＋";
  font-size: 13px;
  color: var(--lq-orange);
}

.page-faq .faq-item__more[open] summary::before {
  content: "－";
}

.page-faq .faq-item__more summary:hover,
.page-faq .faq-item__more summary:focus-visible {
  color: var(--lq-orange);
  border-bottom-color: var(--lq-orange);
}

.page-faq .faq-item__body {
  margin-top: 14px;
  padding: 16px 18px;
  background: var(--lq-paper);
  border-left: 2px solid var(--lq-blue);
  max-width: 66ch;
}

.page-faq .faq-item__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(18, 21, 28, .78);
}

/* ---------- 速查 ---------- */

.page-faq .faq-check {
  padding: 56px 0 64px;
  background: var(--lq-graphite);
  color: var(--lq-paper);
}

.page-faq .faq-check__lede {
  margin: 0 0 32px;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.75;
  color: rgba(245, 246, 248, .74);
}

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

.page-faq .faq-check__grid {
  display: grid;
  gap: 32px;
}

.page-faq .faq-check__table {
  border-top: 1px solid rgba(201, 206, 216, .28);
}

.page-faq .faq-check__row {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(201, 206, 216, .22);
  transition: background var(--faq-t) var(--faq-ease);
}

.page-faq .faq-check__row:not(.faq-check__row--head):hover {
  background: rgba(255, 106, 26, .08);
}

.page-faq .faq-check__row--head {
  font-family: var(--lq-font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: rgba(245, 246, 248, .56);
  border-bottom-color: rgba(201, 206, 216, .40);
}

.page-faq .faq-check__key {
  font-size: 15px;
  font-weight: 700;
  color: var(--lq-paper);
}

.page-faq .faq-check__val {
  font-family: var(--lq-font-mono);
  font-size: 16px;
  font-weight: 700;
  color: var(--lq-orange);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-check__note {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(245, 246, 248, .68);
}

.page-faq .faq-check__side {
  min-width: 0;
}

.page-faq .faq-nodes {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: rgba(201, 206, 216, .22);
  border: 1px solid rgba(201, 206, 216, .22);
}

.page-faq .faq-nodes__item {
  background: var(--lq-graphite);
  padding: 14px 16px;
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 15px;
  color: rgba(245, 246, 248, .86);
  transition: background var(--faq-t) var(--faq-ease);
}

.page-faq .faq-nodes__item:hover {
  background: #232936;
}

.page-faq .faq-nodes__no {
  font-family: var(--lq-font-mono);
  font-size: 12px;
  color: var(--lq-jade);
  font-variant-numeric: tabular-nums;
}

/* ---------- 术语 ---------- */

.page-faq .faq-terms {
  padding: 56px 0 64px;
  background: var(--lq-paper);
}

.page-faq .faq-terms__list {
  margin: 0;
  display: grid;
  gap: 1px;
  background: var(--lq-line);
  border: 1px solid var(--lq-line);
}

.page-faq .faq-terms__item {
  background: var(--lq-paper);
  padding: 20px 22px;
  transition: background var(--faq-t) var(--faq-ease);
}

.page-faq .faq-terms__item:hover {
  background: #fff;
}

.page-faq .faq-terms__item dt {
  font-family: var(--lq-font-mono);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--lq-blue-ink);
  margin-bottom: 8px;
}

.page-faq .faq-terms__item dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(18, 21, 28, .78);
  max-width: 68ch;
}

/* ---------- 收尾 ---------- */

.page-faq .faq-help {
  padding: 56px 0 64px;
  background: linear-gradient(135deg, var(--lq-blue) 0%, var(--lq-blue-ink) 100%);
  color: #fff;
}

.page-faq .faq-help__inner {
  display: grid;
  gap: 36px;
}

.page-faq .faq-help__title {
  margin: 0 0 16px;
  font-family: var(--lq-font-serif);
  font-weight: 900;
  font-size: clamp(24px, 4.6vw, 40px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: #fff;
  max-width: 18ch;
}

.page-faq .faq-help__lede {
  margin: 0 0 26px;
  max-width: 58ch;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(255, 255, 255, .88);
}

.page-faq .faq-help__btn {
  display: inline-block;
}

.page-faq .faq-help__contact {
  display: grid;
  gap: 1px;
  background: rgba(255, 255, 255, .26);
  border: 1px solid rgba(255, 255, 255, .26);
}

.page-faq .faq-help__contact .lq-contact {
  background: rgba(15, 43, 209, .0);
  padding: 18px 20px;
}

.page-faq .faq-help__contact .lq-contact__label {
  color: rgba(255, 255, 255, .72);
}

.page-faq .faq-help__contact .lq-contact__value {
  color: #fff;
}

.page-faq .faq-help__contact .lq-contact__text {
  margin: 8px 0 0;
}

.page-faq .faq-help__contact .lq-contact__note {
  margin: 0;
  padding: 18px 20px;
  background: rgba(14, 17, 22, .18);
  font-size: 14px;
  line-height: 1.75;
  color: rgba(255, 255, 255, .82);
}

.page-faq .faq-help__links {
  margin: 0;
  padding: 18px 20px;
  background: rgba(14, 17, 22, .18);
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
}

.page-faq .faq-help__links a {
  font-size: 14px;
  color: #fff;
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 255, 255, .42);
  padding-bottom: 2px;
  transition: border-color var(--faq-t) var(--faq-ease), color var(--faq-t) var(--faq-ease);
}

.page-faq .faq-help__links a:hover,
.page-faq .faq-help__links a:focus-visible {
  color: #FFD9BF;
  border-bottom-color: #FFD9BF;
}

.page-faq .faq-help__contact .lq-copy {
  font-family: var(--lq-font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: #fff;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, .48);
  border-radius: 2px;
  padding: 5px 12px;
  cursor: pointer;
  transition: background var(--faq-t) var(--faq-ease), border-color var(--faq-t) var(--faq-ease);
}

.page-faq .faq-help__contact .lq-copy:hover,
.page-faq .faq-help__contact .lq-copy:focus-visible {
  background: rgba(255, 255, 255, .14);
  border-color: #fff;
}

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

.page-faq .faq-help :focus-visible {
  outline-color: #fff;
}

.page-faq img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ---------- 响应式 ---------- */

@media (min-width: 620px) {
  .page-faq .faq-cats {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .page-faq .faq-check__row {
    grid-template-columns: 120px minmax(180px, 1fr) 1.4fr;
    align-items: baseline;
    gap: 16px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero {
    padding: 72px 0 80px;
  }

  .page-faq .faq-q__inner {
    grid-template-columns: var(--faq-index-w) minmax(0, 1fr);
    gap: 56px;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--lq-header-h) + 24px);
    border-right: 1px solid var(--lq-line);
    padding-right: 24px;
  }

  .page-faq .faq-check__grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }

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

  .page-faq .faq-help__inner {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    gap: 64px;
    align-items: start;
  }
}

@media (min-width: 1280px) {
  .page-faq .faq-terms__list {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq * {
    transition: none !important;
  }
}
</final>
</PAGE_CSS>