.page-faq {
  --faq-line: var(--grid-line);
  --faq-cyan-soft: rgba(0, 229, 255, .08);
}

.page-faq .page-faq-crumb {
  padding-top: clamp(16px, 3vw, 26px);
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  padding-top: clamp(18px, 4vw, 40px);
}

.page-faq .faq-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 52px);
}

.page-faq .faq-hero-copy .display {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 6.2vw, 54px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 10px 0 0;
  max-width: 16ch;
}

.page-faq .faq-hero-copy .lede {
  margin: 16px 0 0;
  color: var(--text-dim);
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.85;
  max-width: 58ch;
}

.page-faq .faq-hero-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-faq .faq-hero-visual {
  margin: 0;
}

.page-faq .faq-hero-visual .media-frame {
  border-radius: var(--r-lg);
}

.page-faq .faq-figcaption {
  margin-top: 12px;
  padding-left: 12px;
  border-left: 2px solid var(--cyan);
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-dim);
}

@media (min-width: 900px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
  }
}

/* ---------- 筛选胶囊 ---------- */

.page-faq .faq-ask {
  padding-top: clamp(30px, 5vw, 54px);
}

.page-faq .faq-ask-title {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .2em;
  color: var(--text-dim);
  margin: 0 0 14px;
}

.page-faq .faq-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--faq-line);
}

/* ---------- 问题分组 ---------- */

.page-faq .faq-group {
  padding: clamp(36px, 6vw, 72px) 0;
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-group-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-faq .faq-group-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--cyan);
  margin: 0;
}

.page-faq .faq-group-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(20px, 3vw, 28px);
  line-height: 1.28;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--text);
}

.page-faq .faq-group-intro {
  margin: 0;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-dim);
}

@media (min-width: 840px) {
  .page-faq .faq-group-head {
    grid-template-columns: 108px minmax(0, 1fr);
    column-gap: 26px;
    align-items: baseline;
  }
  .page-faq .faq-group-num { grid-column: 1; }
  .page-faq .faq-group-title { grid-column: 2; }
  .page-faq .faq-group-intro { grid-column: 2; }
}

/* ---------- 折叠条目 ---------- */

.page-faq .faq-items {
  display: grid;
  gap: 10px;
}

.page-faq .faq-item {
  position: relative;
  background: var(--ink-panel);
  border: 1px solid var(--faq-line);
  border-radius: var(--r-md);
  overflow: hidden;
  transition: border-color .2s ease, background-color .2s ease;
}

.page-faq .faq-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 3px;
  border-radius: 0 3px 3px 0;
  background: var(--cyan);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform .22s ease;
}

.page-faq .faq-item[open] {
  border-color: rgba(0, 229, 255, .42);
  background: var(--ink-sub);
}

.page-faq .faq-item[open]::before {
  transform: scaleY(1);
}

.page-faq .faq-q {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--text);
}

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

.page-faq .faq-index {
  flex: none;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--cyan);
}

.page-faq .faq-q-text {
  flex: 1 1 auto;
  min-width: 0;
  margin: 0;
  font: inherit;
  color: inherit;
}

.page-faq .faq-q::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--cyan);
}

.page-faq .faq-item[open] .faq-q::after {
  content: "−";
}

.page-faq .faq-a {
  padding: 0 18px 20px 18px;
}

.page-faq .faq-a p {
  margin: 0 0 10px;
  max-width: 74ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-dim);
}

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

.page-faq .faq-a .hl {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  color: var(--cyan);
}

@media (min-width: 720px) {
  .page-faq .faq-q { padding: 18px 22px; gap: 18px; }
  .page-faq .faq-a { padding: 0 22px 22px 22px; }
}

/* ---------- 图文条带 ---------- */

.page-faq .faq-visual {
  padding: clamp(8px, 2vw, 16px) 0;
}

.page-faq .faq-visual-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 36px);
  align-items: center;
  padding: clamp(20px, 3vw, 30px);
  border: 1px solid var(--faq-line);
  border-radius: var(--r-lg);
  background: linear-gradient(140deg, var(--faq-cyan-soft), rgba(0, 229, 255, 0) 58%);
}

.page-faq .faq-visual-media {
  border-radius: var(--r-md);
}

.page-faq .faq-visual-kicker {
  margin: 0 0 10px;
  font-family: var(--font-serif);
  font-size: clamp(18px, 2.4vw, 23px);
  line-height: 1.5;
  color: var(--text);
}

.page-faq .faq-visual-text p:last-child {
  margin: 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-dim);
}

@media (min-width: 800px) {
  .page-faq .faq-visual-inner {
    grid-template-columns: minmax(0, 300px) minmax(0, 1fr);
  }
}

/* ---------- 状态标签图例 ---------- */

.page-faq .faq-legend {
  margin-top: clamp(24px, 4vw, 40px);
  padding: clamp(18px, 3vw, 26px);
  border: 1px solid var(--faq-line);
  border-radius: var(--r-lg);
  background: var(--ink-panel);
}

.page-faq .faq-legend-title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
}

.page-faq .faq-legend-note {
  margin: 0 0 16px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-faq .dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 8px;
  border-radius: 50%;
  vertical-align: middle;
}

.page-faq .dot--mint { background: var(--mint); }
.page-faq .dot--rose { background: var(--rose); }
.page-faq .dot--orange { background: var(--orange); }
.page-faq .dot--cyan { background: var(--cyan); }

/* ---------- 时效提示 ---------- */

.page-faq .faq-notice {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  align-items: flex-start;
  margin-top: clamp(22px, 4vw, 34px);
  padding: 16px 18px;
  border: 1px solid rgba(255, 122, 26, .38);
  border-radius: var(--r-md);
  background: rgba(255, 122, 26, .08);
}

.page-faq .faq-notice-mark {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--orange);
  padding-top: 3px;
}

.page-faq .faq-notice p {
  flex: 1 1 240px;
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text);
}

/* ---------- 相关入口 ---------- */

.page-faq .faq-next {
  padding: clamp(36px, 6vw, 72px) 0 clamp(56px, 8vw, 96px);
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-next-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: 22px;
}

.page-faq .faq-next-card {
  display: block;
  padding: 18px 20px;
  border: 1px solid var(--faq-line);
  border-radius: var(--r-md);
  background: var(--ink-panel);
  color: var(--text);
  text-decoration: none;
  transition: border-color .2s ease, transform .2s ease;
}

.page-faq .faq-next-card:hover,
.page-faq .faq-next-card:focus-visible {
  border-color: rgba(0, 229, 255, .5);
  transform: translateY(-2px);
}

.page-faq .faq-next-label {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--cyan);
}

.page-faq .faq-next-card strong {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
}

.page-faq .faq-next-desc {
  display: block;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--text-dim);
}

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

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

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item::before,
  .page-faq .faq-next-card {
    transition: none;
  }
  .page-faq .faq-next-card:hover,
  .page-faq .faq-next-card:focus-visible {
    transform: none;
  }
}