.page-faq {
  background:
    radial-gradient(90% 52% at 88% -8%, rgba(12, 27, 51, 0.95), rgba(6, 23, 15, 0) 62%),
    var(--ink);
  color: var(--text);
  font-family: var(--font-body);
  padding: clamp(22px, 4.5vw, 44px) 0 clamp(64px, 10vw, 132px);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-top: clamp(2px, 1.5vw, 14px);
}

.page-faq .faq-hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4.5vw, 52px);
  margin-top: clamp(20px, 3.6vw, 42px);
  align-items: center;
}

.page-faq .faq-hero__kicker {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--lime);
}

.page-faq .faq-hero__title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(46px, 10vw, 108px);
  line-height: 0.96;
  letter-spacing: -0.03em;
  color: var(--white);
}

.page-faq .faq-hero__lead {
  margin: 0;
  max-width: 36em;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.85;
  color: var(--text);
}

.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(24px, 3.6vw, 36px);
}

.page-faq .faq-jump__link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 10px 15px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: rgba(16, 36, 28, 0.6);
  color: var(--white);
  font-size: 14px;
  line-height: 1.2;
  text-decoration: none;
  transition: border-color 0.26s var(--ease), background 0.26s var(--ease), transform 0.26s var(--ease);
}

.page-faq .faq-jump__link:hover,
.page-faq .faq-jump__link:focus-visible {
  border-color: rgba(198, 255, 74, 0.6);
  background: rgba(198, 255, 74, 0.09);
  transform: translateY(-2px);
}

.page-faq .faq-jump__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--lime);
}

.page-faq .faq-hero__figure {
  position: relative;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--panel);
}

.page-faq .faq-hero__figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6, 23, 15, 0) 42%, rgba(6, 23, 15, 0.78));
  pointer-events: none;
}

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

/* ---------- 问题分组 ---------- */
.page-faq .faq-group {
  margin-top: clamp(50px, 8vw, 96px);
  scroll-margin-top: 96px;
}

.page-faq .faq-group__bar {
  display: block;
  width: min(220px, 46%);
  height: 4px;
  border-radius: 999px;
  margin-bottom: clamp(20px, 3vw, 30px);
  background: linear-gradient(90deg, var(--lime), rgba(198, 255, 74, 0));
}

.page-faq .faq-group--gold .faq-group__bar {
  background: linear-gradient(90deg, var(--gold), rgba(243, 178, 63, 0));
}

.page-faq .faq-group--grass .faq-group__bar {
  background: linear-gradient(90deg, var(--grass), rgba(63, 208, 142, 0));
}

.page-faq .faq-group--coral .faq-group__bar {
  background: linear-gradient(90deg, var(--coral), rgba(255, 107, 90, 0));
}

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: clamp(14px, 2vw, 22px);
  row-gap: 6px;
  margin-bottom: clamp(18px, 2.6vw, 28px);
}

.page-faq .faq-group__num {
  grid-row: 1 / span 2;
  align-self: start;
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 300;
  font-size: clamp(34px, 6vw, 60px);
  line-height: 0.92;
  letter-spacing: 0.02em;
  color: var(--lime);
}

.page-faq .faq-group--gold .faq-group__num {
  color: var(--gold);
}

.page-faq .faq-group--grass .faq-group__num {
  color: var(--grass);
}

.page-faq .faq-group--coral .faq-group__num {
  color: var(--coral);
}

.page-faq .faq-group__title {
  grid-column: 2;
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 3.2vw, 32px);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-faq .faq-group__desc {
  grid-column: 2;
  margin: 0;
  max-width: 44em;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text);
}

/* ---------- 折叠问答 ---------- */
.page-faq .qa {
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
  background: var(--panel);
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color 0.28s var(--ease), background 0.28s var(--ease);
}

.page-faq .qa:hover {
  border-color: rgba(42, 59, 82, 1);
}

.page-faq .qa[open] {
  border-color: rgba(198, 255, 74, 0.45);
  background:
    linear-gradient(135deg, rgba(198, 255, 74, 0.075), rgba(198, 255, 74, 0) 58%),
    var(--panel);
}

.page-faq .qa__q {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: clamp(15px, 2vw, 20px) clamp(16px, 2.4vw, 24px);
  cursor: pointer;
  list-style: none;
  color: var(--white);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.55;
}

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

.page-faq .qa__q:focus-visible {
  outline: 2px solid rgba(198, 255, 74, 0.6);
  outline-offset: -2px;
}

.page-faq .qa__no {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--lime);
  opacity: 0.78;
}

.page-faq .faq-group--gold .qa__no {
  color: var(--gold);
}

.page-faq .faq-group--grass .qa__no {
  color: var(--grass);
}

.page-faq .faq-group--coral .qa__no {
  color: var(--coral);
}

.page-faq .qa__sign {
  position: relative;
  flex: none;
  align-self: center;
  margin-left: auto;
  width: 22px;
  height: 22px;
  border: 1px solid rgba(198, 255, 74, 0.42);
  border-radius: 6px;
}

.page-faq .qa__sign::before,
.page-faq .qa__sign::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--lime);
  transform: translate(-50%, -50%);
  transition: transform 0.28s var(--ease), opacity 0.28s var(--ease);
}

.page-faq .qa__sign::before {
  width: 10px;
  height: 2px;
}

.page-faq .qa__sign::after {
  width: 2px;
  height: 10px;
}

.page-faq .qa[open] .qa__sign::after {
  transform: translate(-50%, -50%) scaleY(0);
  opacity: 0;
}

.page-faq .qa__a {
  padding: 0 clamp(16px, 2.4vw, 24px) clamp(18px, 2.4vw, 24px) calc(clamp(16px, 2.4vw, 24px) + 34px);
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--text);
}

.page-faq .qa[open] .qa__a {
  animation: faqReveal 0.32s var(--ease) both;
}

.page-faq .qa__a p {
  margin: 0 0 12px;
  max-width: 46em;
}

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

.page-faq .qa__a a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(198, 255, 74, 0.42);
}

.page-faq .qa__a a:hover {
  border-bottom-color: var(--lime);
}

.page-faq .key-num {
  font-family: var(--font-mono);
  font-size: 1.02em;
  letter-spacing: 0.04em;
  color: var(--lime);
}

.page-faq .key-num--gold {
  color: var(--gold);
}

@keyframes faqReveal {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 资源与版本分栏 ---------- */
.page-faq .faq-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.6vw, 40px);
}

.page-faq .faq-split__figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--panel);
}

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

/* ---------- 咨询引导 ---------- */
.page-faq .faq-cta {
  margin-top: clamp(56px, 9vw, 108px);
  padding: clamp(26px, 5vw, 56px);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background:
    radial-gradient(90% 130% at 92% 0%, rgba(198, 255, 74, 0.16), rgba(198, 255, 74, 0) 58%),
    linear-gradient(160deg, var(--ink-2), var(--ink));
  overflow: hidden;
}

.page-faq .faq-cta__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(26px, 4.4vw, 44px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-faq .faq-cta__text {
  margin: 0 0 24px;
  max-width: 44em;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--text);
}

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

.page-faq .faq-cta__links {
  margin: 24px 0 0;
  font-size: 14px;
  line-height: 2;
  color: var(--text);
}

.page-faq .faq-cta__links a {
  display: inline-block;
  margin-right: 18px;
  color: var(--white);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-cta__links a:hover {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

/* ---------- 响应式 ---------- */
@media (max-width: 560px) {
  .page-faq .qa__a {
    padding-left: clamp(16px, 2.4vw, 24px);
  }

  .page-faq .qa__q {
    gap: 10px;
  }

  .page-faq .faq-cta__links a {
    margin-right: 14px;
  }
}

@media (min-width: 920px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 6.4fr) minmax(0, 5.6fr);
    align-items: end;
  }
}

@media (min-width: 980px) {
  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1.42fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-split__figure {
    position: sticky;
    top: 96px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa[open] .qa__a {
    animation: none;
  }

  .page-faq .faq-jump__link,
  .page-faq .qa__sign::before,
  .page-faq .qa__sign::after,
  .page-faq .qa {
    transition: none;
  }

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