.page-faq {
  --faq-gap: clamp(16px, 2.4vw, 24px);
  padding-bottom: clamp(48px, 9vw, 110px);
}

.page-faq .faq-crumb {
  padding-top: clamp(14px, 3vw, 26px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 44px);
  padding-top: clamp(20px, 3.5vw, 40px);
  align-items: end;
}

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

.page-faq .faq-hero__head .eyebrow {
  margin: 0;
}

.page-faq .faq-hero__head h1 {
  margin: .55rem 0 0;
  font-size: clamp(1.8rem, 6.2vw, 3.1rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -.012em;
  color: var(--paper);
}

.page-faq .faq-hero__head .lede {
  margin-top: 18px;
  color: var(--paper-2);
  line-height: 1.82;
}

.page-faq .faq-hero__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-faq .faq-figure {
  margin: 0;
  min-width: 0;
}

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

.page-faq .faq-cap {
  margin-top: 12px;
  padding-left: 12px;
  border-left: 2px solid var(--amber);
  font-size: .78rem;
  line-height: 1.62;
  letter-spacing: .02em;
  color: var(--paper-3);
}

/* ---------- 事实条 ---------- */
.page-faq .faq-facts {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin-top: clamp(30px, 5vw, 54px);
  border: 1px solid var(--line-1);
  background: var(--line-1);
}

.page-faq .faq-fact {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  padding: 15px 18px;
  background: var(--ink-900);
}

.page-faq .faq-fact .mono {
  font-family: var(--font-mono);
  font-size: clamp(1rem, 2.4vw, 1.14rem);
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--cyan);
}

.page-faq .faq-fact span:last-child {
  font-size: .82rem;
  letter-spacing: .05em;
  color: var(--paper-3);
}

/* ---------- 问答主体 ---------- */
.page-faq .faq-body {
  margin-top: clamp(48px, 8vw, 96px);
}

.page-faq .faq-body .filter-bar {
  margin-top: clamp(18px, 3vw, 28px);
  flex-wrap: wrap;
}

.page-faq .faq-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap);
  margin-top: clamp(20px, 3.2vw, 34px);
}

.page-faq .faq-item {
  position: relative;
  display: grid;
  gap: 9px;
  padding: clamp(20px, 3vw, 28px);
  border: 1px solid var(--line-1);
  background: linear-gradient(158deg, var(--ink-850), var(--ink-900) 68%);
  overflow-wrap: break-word;
  transition: border-color var(--t-fast);
}

.page-faq .faq-item::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 48px;
  height: 2px;
  background: var(--cyan);
  opacity: .85;
  transition: background-color var(--t-fast);
}

.page-faq .faq-item:hover {
  border-color: var(--line-3);
}

.page-faq .faq-item:hover::after {
  background: var(--amber);
}

.page-faq .faq-item[data-filtered="true"] {
  display: none;
}

.page-faq .faq-item__no {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .18em;
  color: var(--amber);
}

.page-faq .faq-item__q {
  margin: 0;
  font-size: clamp(1rem, 2.5vw, 1.12rem);
  font-weight: 700;
  line-height: 1.45;
  color: var(--paper);
}

.page-faq .faq-item__a {
  margin: 0;
  font-size: .93rem;
  line-height: 1.82;
  color: var(--paper-2);
}

.page-faq .faq-item__a a,
.page-faq .faq-more a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-2);
}

.page-faq .faq-item__a a:hover,
.page-faq .faq-more a:hover {
  border-bottom-color: var(--cyan);
}

/* ---------- 延伸链接 ---------- */
.page-faq .faq-more {
  margin-top: clamp(28px, 4.5vw, 46px);
  font-size: .88rem;
  line-height: 1.85;
  color: var(--paper-3);
}

/* ---------- 求助区 ---------- */
.page-faq .faq-help {
  margin-top: clamp(52px, 8vw, 104px);
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 44px);
  padding: clamp(24px, 4vw, 46px);
  border: 1px solid var(--line-2);
  background:
    radial-gradient(120% 150% at 92% 4%, var(--amber-900), transparent 60%),
    var(--ink-850);
}

.page-faq .faq-help__copy h2 {
  margin: 0 0 12px;
  font-size: clamp(1.35rem, 4vw, 2rem);
  font-weight: 800;
  line-height: 1.22;
  color: var(--paper);
}

.page-faq .faq-help__copy p {
  margin: 0 0 22px;
  max-width: 46ch;
  font-size: .95rem;
  line-height: 1.8;
  color: var(--paper-2);
}

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

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

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    grid-template-columns: 1.3fr .7fr;
    gap: clamp(36px, 5vw, 64px);
  }

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

  .page-faq .faq-help {
    grid-template-columns: 1.2fr .8fr;
    align-items: center;
  }

  .page-faq .faq-help__figure {
    justify-self: end;
    width: min(100%, 340px);
  }
}

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