.page-faq {
  --faq-line: 1px solid var(--ember);
  --faq-neon-line: 1px solid rgba(108, 75, 255, 0.36);
  --faq-panel: var(--night);
  --faq-rad: var(--radius-md);
  position: relative;
  overflow-x: clip;
  padding-bottom: clamp(56px, 9vw, 108px);
  background:
    radial-gradient(circle at 88% 3%, rgba(108, 75, 255, 0.2), transparent 44%),
    radial-gradient(circle at 3% 46%, rgba(53, 230, 210, 0.08), transparent 38%);
}

.page-faq > .breadcrumb {
  max-width: var(--shell);
  margin: 0 auto;
  padding: clamp(18px, 3vw, 30px) var(--gutter) 0;
}

/* ---------- Hero ---------- */

.page-faq .faq-hero {
  padding: clamp(24px, 4.6vw, 50px) 0 clamp(42px, 6vw, 76px);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(30px, 5vw, 58px);
  align-items: center;
}

.page-faq .faq-hero__title {
  margin: 14px 0 0;
  font-family: var(--sans);
  font-weight: 900;
  font-size: clamp(1.95rem, 5.2vw, 3.4rem);
  line-height: 1.16;
  letter-spacing: -0.005em;
  color: var(--ivory);
  max-width: 15ch;
}

.page-faq .faq-hero__lede {
  margin: 20px 0 0;
  max-width: 56ch;
  color: var(--mist);
  font-size: var(--fs-16);
  line-height: 1.8;
}

.page-faq .faq-search {
  margin-top: clamp(24px, 4vw, 38px);
  max-width: 520px;
}

.page-faq .faq-search__label {
  display: block;
  margin-bottom: 10px;
  font-size: var(--fs-14);
  color: var(--mist);
}

.page-faq .faq-search__input {
  display: block;
  width: 100%;
  min-height: 46px;
  padding: 10px 2px;
  font: inherit;
  font-size: var(--fs-16);
  color: var(--ivory);
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--ember);
  border-radius: 0;
  appearance: none;
  transition: border-color var(--dur) var(--ease);
}

.page-faq .faq-search__input::placeholder {
  color: rgba(154, 163, 199, 0.66);
}

.page-faq .faq-search__input:hover {
  border-bottom-color: var(--haze);
}

.page-faq .faq-search__input:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 4px;
  border-bottom-color: var(--cyan);
}

.page-faq .faq-hero__facts {
  list-style: none;
  margin: clamp(24px, 4vw, 36px) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
}

.page-faq .faq-hero__fact {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  font-size: var(--fs-14);
  color: var(--mist);
}

.page-faq .faq-hero__fact .mono-xs {
  color: var(--cyan);
  font-size: var(--fs-14);
}

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

.page-faq .faq-hero__figure .media-frame {
  border-radius: var(--radius-lg);
  border: var(--faq-line);
  overflow: hidden;
}

/* ---------- 通用小节 ---------- */

.page-faq .faq-section-lede {
  margin: 18px 0 0;
  max-width: 62ch;
  color: var(--mist);
  font-size: var(--fs-16);
  line-height: 1.8;
}

/* ---------- 主题索引 ---------- */

.page-faq .faq-themes__list {
  list-style: none;
  margin: clamp(28px, 4.6vw, 46px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--ember);
  border-top: var(--faq-line);
  border-bottom: var(--faq-line);
}

.page-faq .faq-theme {
  display: grid;
  gap: 8px;
  align-content: start;
  padding: clamp(22px, 3vw, 30px);
  background: var(--night);
  transition: transform var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .faq-theme:hover {
  background: var(--steel);
  transform: translateY(-4px);
}

.page-faq .faq-theme__num {
  font-family: var(--mono);
  font-size: var(--fs-12);
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-faq .faq-theme__name {
  margin: 0;
  font-size: var(--fs-20);
  font-weight: 600;
  color: var(--ivory);
  letter-spacing: 0.01em;
}

.page-faq .faq-theme__count {
  margin: 0;
  font-family: var(--mono);
  font-size: var(--fs-14);
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-faq .faq-theme__note {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 高频入口 ---------- */

.page-faq .faq-entry__list {
  list-style: none;
  margin: clamp(26px, 4.4vw, 42px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--ember);
  border-top: var(--faq-line);
  border-bottom: var(--faq-line);
}

.page-faq .faq-entry__item {
  position: relative;
  padding: clamp(22px, 3vw, 32px) clamp(20px, 3vw, 30px);
  background: var(--ink);
  display: grid;
  gap: 10px;
  align-content: start;
}

.page-faq .faq-entry__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: clamp(22px, 3vw, 32px);
  bottom: clamp(22px, 3vw, 32px);
  width: 3px;
  border-radius: 3px;
  background: linear-gradient(180deg, var(--neon), var(--cyan));
}

.page-faq .faq-entry__num {
  color: var(--gold);
  font-size: var(--fs-12);
  letter-spacing: 0.18em;
}

.page-faq .faq-entry__title {
  margin: 0;
  font-size: var(--fs-20);
  font-weight: 600;
  color: var(--ivory);
}

.page-faq .faq-entry__body {
  margin: 0;
  font-size: var(--fs-16);
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 厂商与分类 ---------- */

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

.page-faq .faq-find__list {
  list-style: none;
  margin: clamp(26px, 4.4vw, 42px) 0 0;
  padding: 0;
  display: grid;
  gap: clamp(14px, 2.4vw, 22px);
}

.page-faq .faq-find__item {
  padding: clamp(22px, 3vw, 30px);
  border: var(--faq-line);
  border-radius: var(--faq-rad);
  background: linear-gradient(150deg, rgba(21, 28, 56, 0.72), rgba(5, 6, 14, 0.9));
  display: grid;
  gap: 10px;
  align-content: start;
}

.page-faq .faq-find__tag {
  display: inline-block;
  font-size: var(--fs-12);
  letter-spacing: 0.16em;
  color: var(--haze);
}

.page-faq .faq-find__title {
  margin: 0;
  font-size: var(--fs-20);
  font-weight: 600;
  color: var(--ivory);
}

.page-faq .faq-find__body {
  margin: 0;
  font-size: var(--fs-16);
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-find__fallback {
  margin-top: clamp(22px, 3.4vw, 34px);
  padding: clamp(22px, 3vw, 32px);
  border-left: 3px solid var(--cyan);
  background: rgba(53, 230, 210, 0.06);
  border-radius: 0 var(--faq-rad) var(--faq-rad) 0;
}

.page-faq .faq-find__fallback-title {
  margin: 0 0 10px;
  font-size: var(--fs-20);
  font-weight: 600;
  color: var(--ivory);
}

.page-faq .faq-find__fallback p {
  margin: 0;
  max-width: 66ch;
  font-size: var(--fs-16);
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 两栏记录明细 ---------- */

.page-faq .faq-ledger__grid {
  margin-top: clamp(28px, 4.6vw, 46px);
  display: grid;
  gap: clamp(20px, 3vw, 30px);
}

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

.page-faq .faq-ledger__col {
  padding: clamp(22px, 3vw, 32px);
  border-radius: var(--faq-rad);
}

.page-faq .faq-ledger__col--left {
  background: var(--ink);
  border: var(--faq-line);
}

.page-faq .faq-ledger__col--right {
  background: var(--night);
  border: var(--faq-neon-line);
}

.page-faq .faq-ledger__label {
  display: inline-block;
  font-size: var(--fs-12);
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-faq .faq-ledger__col--right .faq-ledger__label {
  color: var(--cyan);
}

.page-faq .faq-ledger__heading {
  margin: 12px 0 14px;
  font-size: var(--fs-20);
  font-weight: 600;
  color: var(--ivory);
}

.page-faq .faq-ledger__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-ledger__list li {
  position: relative;
  padding-left: 16px;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--mist);
}

.page-faq .faq-ledger__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--haze);
}

.page-faq .faq-ledger__col--right .faq-ledger__list li::before {
  background: var(--cyan);
}

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

.page-faq .faq-ledger__figure .media-frame {
  border-radius: var(--faq-rad);
  border: var(--faq-line);
  overflow: hidden;
}

/* ---------- 三步流程 ---------- */

.page-faq .faq-flow__list {
  list-style: none;
  margin: clamp(26px, 4.4vw, 44px) 0 0;
  padding: 0;
  display: grid;
  gap: clamp(14px, 2.4vw, 22px);
}

.page-faq .faq-flow__item {
  position: relative;
  padding: clamp(22px, 3vw, 30px);
  border: var(--faq-line);
  border-radius: var(--faq-rad);
  background: var(--night);
  display: grid;
  gap: 10px;
  align-content: start;
}

.page-faq .faq-flow__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  font-family: var(--mono);
  font-size: var(--fs-14);
  letter-spacing: 0.08em;
  color: var(--ink);
  background: linear-gradient(140deg, var(--gold), #f7e0b0);
}

.page-faq .faq-flow__title {
  margin: 0;
  font-size: var(--fs-20);
  font-weight: 600;
  color: var(--ivory);
}

.page-faq .faq-flow__body {
  margin: 0;
  font-size: var(--fs-16);
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-flow__causes {
  margin-top: clamp(24px, 3.8vw, 38px);
  padding-top: clamp(22px, 3.2vw, 32px);
  border-top: var(--faq-line);
}

.page-faq .faq-flow__causes-title {
  margin: 0 0 16px;
  font-size: var(--fs-16);
  font-weight: 600;
  color: var(--ivory);
}

.page-faq .faq-flow__causes-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq .faq-flow__causes-list li {
  max-width: 100%;
}

/* ---------- 响应时效 ---------- */

.page-faq .faq-sla__grid {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
}

.page-faq .faq-sla__stats {
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: clamp(14px, 2.4vw, 22px);
}

.page-faq .faq-stat {
  padding: clamp(18px, 2.6vw, 26px);
  border-radius: var(--faq-rad);
  background: var(--steel);
  border: var(--faq-line);
}

.page-faq .faq-stat__label {
  margin: 0 0 10px;
  font-size: var(--fs-14);
  color: var(--mist);
}

.page-faq .faq-stat__value {
  margin: 0;
  font-family: var(--mono);
  font-size: clamp(1.75rem, 3.4vw, 2.5rem);
  line-height: 1.1;
  letter-spacing: 0.02em;
  color: var(--cyan);
}

.page-faq .faq-stat__unit {
  display: block;
  margin-top: 8px;
  font-family: var(--sans);
  font-size: var(--fs-12);
  letter-spacing: 0.04em;
  color: var(--mist);
}

.page-faq .faq-sla__note {
  margin: clamp(24px, 3.6vw, 36px) 0 0;
  padding-left: 18px;
  border-left: 3px solid var(--haze);
  max-width: 68ch;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 手风琴 ---------- */

.page-faq .faq-acc__list {
  margin-top: clamp(26px, 4vw, 40px);
  border-top: var(--faq-line);
}

.page-faq .faq-acc__item {
  border-bottom: var(--faq-line);
  border-left: 3px solid transparent;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .faq-acc__item[open] {
  border-left-color: var(--neon);
  background: rgba(21, 28, 56, 0.55);
}

.page-faq .faq-acc__q {
  position: relative;
  list-style: none;
  cursor: pointer;
  padding: 20px 46px 20px 20px;
  font-size: var(--fs-16);
  font-weight: 600;
  line-height: 1.6;
  color: var(--ivory);
  min-height: 44px;
  transition: color var(--dur) var(--ease);
}

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

.page-faq .faq-acc__q:hover {
  color: var(--haze);
}

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

.page-faq .faq-acc__q::after {
  content: "+";
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--mono);
  font-size: var(--fs-20);
  line-height: 1;
  color: var(--haze);
  transition: transform var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-faq .faq-acc__item[open] .faq-acc__q::after {
  content: "−";
  color: var(--neon);
}

.page-faq .faq-acc__a {
  padding: 0 20px 22px;
}

.page-faq .faq-acc__a p {
  margin: 0;
  max-width: 62ch;
  font-size: var(--fs-16);
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-acc__a a {
  color: var(--haze);
  text-underline-offset: 3px;
}

.page-faq .faq-acc__a a:hover {
  color: var(--cyan);
}

/* ---------- 收尾行动 ---------- */

.page-faq .faq-cta__panel {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
  padding: clamp(26px, 4vw, 44px);
  border-radius: var(--radius-lg);
}

.page-faq .faq-cta__title {
  margin: 0;
  font-size: clamp(1.35rem, 2.8vw, 1.9rem);
  font-weight: 700;
  line-height: 1.3;
  color: var(--ivory);
}

.page-faq .faq-cta__body {
  margin: 14px 0 0;
  max-width: 58ch;
  font-size: var(--fs-16);
  line-height: 1.8;
  color: var(--mist);
}

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

/* ---------- 响应式 ---------- */

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

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

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

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

  .page-faq .faq-flow__item:not(:last-child)::after {
    content: "";
    position: absolute;
    right: -14px;
    top: 50%;
    width: 14px;
    height: 1px;
    background: var(--ember);
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
  }

  .page-faq .faq-find__head {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.82fr);
    gap: clamp(24px, 4vw, 48px);
    align-items: end;
  }

  .page-faq .faq-find__head .faq-section-lede {
    margin-top: 0;
  }

  .page-faq .faq-sla__grid {
    grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
    align-items: start;
  }

  .page-faq .faq-sla__grid .faq-section-lede {
    margin-top: 18px;
  }
}

@media (min-width: 1040px) {
  .page-faq .faq-themes__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

  .page-faq .faq-flow__item:nth-child(3n)::after {
    display: none;
  }

  .page-faq .faq-cta__panel {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

@media (min-width: 1080px) {
  .page-faq .faq-ledger__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.92fr);
    align-items: stretch;
  }

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

@media (max-width: 420px) {
  .page-faq .faq-cta__actions .btn {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-theme:hover {
    transform: none;
  }

  .page-faq .faq-acc__q::after {
    transition: none;
  }
}