.page-faq {
  --faq-gap: clamp(52px, 8vw, 104px);
  --faq-panel: rgba(30, 42, 69, 0.45);
  --faq-panel-soft: rgba(30, 42, 69, 0.28);
  background: var(--bw-blue);
  color: var(--bw-white);
  font-family: var(--bw-font-body);
  overflow-x: hidden;
}

.page-faq .faq-crumb-sep {
  margin: 0 8px;
  color: var(--bw-dim);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(22px, 4vw, 40px) 0 clamp(40px, 6vw, 72px);
  background:
    radial-gradient(120% 90% at 88% -10%, rgba(11, 110, 79, 0.62), transparent 62%),
    radial-gradient(80% 70% at -10% 110%, rgba(255, 107, 53, 0.14), transparent 70%);
  border-bottom: 1px solid var(--bw-line);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(90deg, rgba(30, 42, 69, 0.55) 0 1px, transparent 1px 96px),
    repeating-linear-gradient(0deg, rgba(30, 42, 69, 0.4) 0 1px, transparent 1px 96px);
  pointer-events: none;
  opacity: 0.7;
}

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

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  margin-top: clamp(22px, 4vw, 40px);
}

.page-faq .faq-hero__eyebrow {
  margin: 0 0 14px;
  color: var(--bw-yellow);
  letter-spacing: 0.14em;
}

.page-faq .faq-hero__title {
  margin: 0;
  font-family: var(--bw-font-display);
  font-weight: 900;
  font-size: clamp(34px, 7.4vw, 66px);
  line-height: 0.98;
  letter-spacing: -0.01em;
  text-transform: none;
  transform: skewX(-2deg);
  transform-origin: left center;
  color: var(--bw-white);
}

.page-faq .faq-hero__lead {
  margin: clamp(18px, 3vw, 26px) 0 0;
  max-width: 60ch;
  font-size: clamp(15px, 2.1vw, 17px);
  line-height: 1.85;
  color: var(--bw-muted);
}

.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: clamp(22px, 3.4vw, 30px) 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-jump__link {
  display: inline-flex;
  align-items: center;
  padding: 9px 14px;
  border: 1px solid var(--bw-line);
  color: var(--bw-white);
  font-family: var(--bw-font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-decoration: none;
  background: rgba(10, 17, 40, 0.5);
  transition: color var(--bw-ease), border-color var(--bw-ease), background var(--bw-ease);
}

.page-faq .faq-jump__link:hover,
.page-faq .faq-jump__link:focus-visible {
  color: var(--bw-blue);
  background: var(--bw-yellow);
  border-color: var(--bw-yellow);
  outline: none;
}

.page-faq .faq-check {
  padding: 20px 20px 22px;
  border-left: 3px solid var(--bw-orange);
  background: var(--faq-panel);
}

.page-faq .faq-check--angle {
  position: relative;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

.page-faq .faq-check__title {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--bw-cyan);
}

.page-faq .faq-check__row {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 12px;
  padding: 12px 0;
  border-top: 1px solid var(--bw-line);
  align-items: baseline;
}

.page-faq .faq-check__key {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--bw-orange);
}

.page-faq .faq-check__val {
  font-size: 14px;
  line-height: 1.7;
  color: var(--bw-white);
}

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

/* ---------- 区块通用 ---------- */
.page-faq .faq-section {
  padding: var(--faq-gap) 0;
  scroll-margin-top: 92px;
}

.page-faq .faq-section--tint {
  background: linear-gradient(180deg, rgba(7, 59, 46, 0.34), rgba(10, 17, 40, 0) 70%);
  border-top: 1px solid var(--bw-line);
  border-bottom: 1px solid var(--bw-line);
}

.page-faq .faq-head {
  display: grid;
  gap: 10px;
  margin-bottom: clamp(26px, 4vw, 42px);
  max-width: 74ch;
}

.page-faq .faq-head__idx {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--bw-orange);
}

.page-faq .faq-head__title {
  margin: 0;
  font-family: var(--bw-font-display);
  font-weight: 900;
  font-size: clamp(25px, 4.4vw, 40px);
  line-height: 1.14;
  letter-spacing: 0.01em;
  color: var(--bw-white);
}

.page-faq .faq-head__note {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--bw-muted);
}

.page-faq .faq-inline-link {
  color: var(--bw-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 217, 195, 0.5);
  transition: color var(--bw-ease), border-color var(--bw-ease);
}

.page-faq .faq-inline-link:hover,
.page-faq .faq-inline-link:focus-visible {
  color: var(--bw-yellow);
  border-color: var(--bw-yellow);
  outline: none;
}

/* ---------- 三步卡 ---------- */
.page-faq .faq-steps {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-faq .faq-step {
  position: relative;
  padding: 22px 20px 18px;
  background: linear-gradient(165deg, var(--faq-panel), rgba(10, 17, 40, 0.25));
  border: 1px solid var(--bw-line);
  border-top: 2px solid var(--bw-orange);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
  transition: border-color var(--bw-ease), transform var(--bw-ease);
}

.page-faq .faq-step:nth-child(2) {
  border-top-color: var(--bw-yellow);
}

.page-faq .faq-step:nth-child(3) {
  border-top-color: var(--bw-cyan);
}

.page-faq .faq-step:hover {
  transform: translateY(-3px);
  border-color: rgba(249, 248, 113, 0.5);
}

.page-faq .faq-step__num {
  display: block;
  font-family: var(--bw-font-mono);
  font-weight: 700;
  font-size: clamp(42px, 9vw, 62px);
  line-height: 0.9;
  letter-spacing: -0.03em;
  color: var(--bw-orange);
  opacity: 0.9;
}

.page-faq .faq-step:nth-child(2) .faq-step__num {
  color: var(--bw-yellow);
}

.page-faq .faq-step:nth-child(3) .faq-step__num {
  color: var(--bw-cyan);
}

.page-faq .faq-step__title {
  margin: 14px 0 8px;
  font-size: 19px;
  line-height: 1.4;
  font-weight: 800;
  color: var(--bw-white);
}

.page-faq .faq-step__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--bw-muted);
}

.page-faq .faq-step__more {
  margin-top: 14px;
  border-top: 1px solid var(--bw-line);
  padding-top: 12px;
}

.page-faq .faq-step__summary {
  cursor: pointer;
  list-style: none;
  font-family: var(--bw-font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--bw-yellow);
}

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

.page-faq .faq-step__summary::marker {
  content: "";
}

.page-faq .faq-step__summary::after {
  content: " +";
  color: var(--bw-orange);
}

.page-faq .faq-step__more[open] .faq-step__summary::after {
  content: " −";
}

.page-faq .faq-step__detail {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--bw-muted);
}

.page-faq .faq-figure {
  margin: clamp(24px, 4vw, 38px) 0 0;
}

/* ---------- 设置条目 ---------- */
.page-faq .faq-sets {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--bw-line);
  border: 1px solid var(--bw-line);
}

.page-faq .faq-set {
  padding: 22px 20px 24px;
  background: var(--bw-blue);
  transition: background var(--bw-ease);
}

.page-faq .faq-set:hover {
  background: rgba(11, 110, 79, 0.22);
}

.page-faq .faq-set--line {
  background: transparent;
  border-left: 1px solid var(--bw-line);
  padding: 16px 0 18px 18px;
}

.page-faq .faq-set--line:first-child {
  border-left-color: var(--bw-orange);
}

.page-faq .faq-set--line:hover {
  background: rgba(11, 110, 79, 0.16);
}

.page-faq .faq-set__tag {
  display: inline-block;
  margin-bottom: 10px;
  padding: 3px 8px;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--bw-blue);
  background: var(--bw-cyan);
}

.page-faq .faq-set__name {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 800;
  line-height: 1.45;
  color: var(--bw-white);
}

.page-faq .faq-set__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--bw-muted);
}

/* ---------- 家庭大屏 ---------- */
.page-faq .faq-bigscreen {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 40px);
  align-items: start;
}

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

.page-faq .faq-bigscreen__body {
  display: grid;
  gap: 6px;
}

/* ---------- 提醒 ---------- */
.page-faq .faq-alerts {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 30px);
}

.page-faq .faq-alert-list {
  display: grid;
  gap: 12px;
}

.page-faq .faq-alert {
  padding: 18px 18px 20px;
  border: 1px solid var(--bw-line);
  border-left: 3px solid var(--bw-green);
  background: var(--faq-panel-soft);
  transition: border-left-color var(--bw-ease), background var(--bw-ease);
}

.page-faq .faq-alert:hover {
  border-left-color: var(--bw-yellow);
  background: var(--faq-panel);
}

.page-faq .faq-alert__time {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--bw-cyan);
}

.page-faq .faq-alert__name {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 800;
  color: var(--bw-white);
}

.page-faq .faq-alert__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--bw-muted);
}

.page-faq .faq-alert-card {
  padding: 22px 20px 20px;
  border-left: 3px solid var(--bw-orange);
  background: var(--faq-panel);
}

.page-faq .faq-alert-card--angle {
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 24px), calc(100% - 24px) 100%, 0 100%);
}

.page-faq .faq-alert-card__head {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--bw-orange);
}

.page-faq .faq-alert-card__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 13px 0;
  border-top: 1px solid var(--bw-line);
}

.page-faq .faq-alert-card__label {
  font-size: 14.5px;
  color: var(--bw-white);
}

.page-faq .faq-pill {
  flex: none;
  padding: 4px 10px;
  font-size: 11px;
  letter-spacing: 0.08em;
  border: 1px solid transparent;
}

.page-faq .faq-pill--on {
  color: var(--bw-blue);
  background: var(--bw-green);
  border-color: var(--bw-green);
}

.page-faq .faq-pill--off {
  color: var(--bw-dim);
  border-color: var(--bw-line);
  background: transparent;
}

.page-faq .faq-alert-card__note {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--bw-dim);
}

/* ---------- 问答 ---------- */
.page-faq .faq-items {
  border-top: 1px solid var(--bw-line);
}

.page-faq .faq-item {
  border-bottom: 1px solid var(--bw-line);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 0;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--bw-white);
  transition: color var(--bw-ease);
}

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

.page-faq .faq-item__q::marker {
  content: "";
}

.page-faq .faq-item__q::after {
  content: "+";
  flex: none;
  font-family: var(--bw-font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--bw-orange);
}

.page-faq .faq-item[open] .faq-item__q {
  color: var(--bw-yellow);
}

.page-faq .faq-item[open] .faq-item__q::after {
  content: "−";
  color: var(--bw-yellow);
}

.page-faq .faq-item__q:hover {
  color: var(--bw-yellow);
}

.page-faq .faq-item__a {
  padding: 0 0 20px;
  max-width: 72ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--bw-muted);
}

/* ---------- 分类索引 ---------- */
.page-faq .faq-cats {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-faq .faq-cat {
  display: grid;
  gap: 8px;
  padding: 20px 18px 22px;
  border: 1px solid var(--bw-line);
  background: rgba(10, 17, 40, 0.55);
  text-decoration: none;
  transition: border-color var(--bw-ease), background var(--bw-ease), transform var(--bw-ease);
}

.page-faq .faq-cat:hover,
.page-faq .faq-cat:focus-visible {
  border-color: var(--bw-yellow);
  background: rgba(11, 110, 79, 0.26);
  transform: translateY(-3px);
  outline: none;
}

.page-faq .faq-cat__icon {
  color: var(--bw-cyan);
  line-height: 0;
}

.page-faq .faq-cat__icon svg {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: square;
}

.page-faq .faq-cat:hover .faq-cat__icon {
  color: var(--bw-yellow);
}

.page-faq .faq-cat__name {
  font-size: 17px;
  font-weight: 800;
  color: var(--bw-white);
}

.page-faq .faq-cat__desc {
  font-size: 14px;
  line-height: 1.75;
  color: var(--bw-muted);
}

/* ---------- 收尾 ---------- */
.page-faq .faq-cta {
  padding: clamp(38px, 6vw, 64px) 0;
  background: linear-gradient(100deg, var(--bw-deep), var(--bw-blue) 72%);
  border-top: 1px solid var(--bw-line);
  border-left: 3px solid var(--bw-orange);
}

.page-faq .faq-cta__inner {
  display: grid;
  gap: 22px;
  align-items: center;
}

.page-faq .faq-cta__title {
  margin: 0 0 10px;
  font-family: var(--bw-font-display);
  font-weight: 900;
  font-size: clamp(23px, 3.8vw, 34px);
  line-height: 1.15;
  color: var(--bw-white);
}

.page-faq .faq-cta__text {
  margin: 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--bw-muted);
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-faq .faq-cats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

@media (min-width: 860px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 0.75fr);
    align-items: start;
  }

  .page-faq .faq-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-faq .faq-alerts {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-alert-list {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-faq .faq-bigscreen {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 1fr);
  }

  .page-faq .faq-cta__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 34px;
  }
}

@media (min-width: 1040px) {
  .page-faq .faq-cats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-alerts {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 0.9fr);
    gap: 34px;
  }
}

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

  .page-faq .faq-step:hover,
  .page-faq .faq-cat:hover,
  .page-faq .faq-cat:focus-visible {
    transform: none;
  }
}