.page-faq {
  --faq-idx-w: 264px;
  --faq-gap: clamp(20px, 3vw, 38px);
  --faq-pad: clamp(16px, 2.2vw, 26px);
}

/* ---------- 面包屑 ---------- */
.page-faq .breadcrumb {
  margin-bottom: clamp(18px, 2.5vw, 30px);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--mist);
}
.page-faq .breadcrumb a {
  color: var(--neon);
  text-decoration: none;
}
.page-faq .breadcrumb a:hover { text-decoration: underline; }
.page-faq .breadcrumb__sep {
  margin: 0 8px;
  color: var(--line);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding-bottom: clamp(28px, 4vw, 46px);
  border-bottom: 2px solid var(--line);
}
.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: -20px -10px auto auto;
  width: min(340px, 55vw);
  height: min(340px, 55vw);
  background: radial-gradient(circle at 70% 30%, var(--neon-16), transparent 68%);
  pointer-events: none;
  z-index: 0;
}
.page-faq .faq-hero > * { position: relative; z-index: 1; }

.page-faq .faq-hero .meta {
  color: var(--gold);
}

.page-faq .faq-hero h1 {
  margin: 12px 0 16px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 5.6vw, 60px);
  line-height: 1.08;
  letter-spacing: -.02em;
  color: var(--cream);
  max-width: 17ch;
}

.page-faq .faq-hero .lead {
  max-width: 62ch;
  color: var(--mist);
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.8;
}

/* ---------- 三步流程 ---------- */
.page-faq .triage {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  margin-top: clamp(26px, 4vw, 42px);
  background: var(--line);
  border: 2px solid var(--line);
  box-shadow: var(--shadow-hard);
}
.page-faq .triage__step {
  position: relative;
  background: var(--panel-2);
  padding: clamp(18px, 2.4vw, 26px);
  transition: background var(--dur) var(--ease);
}
.page-faq .triage__step::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 3px;
  background: var(--neon);
  transform: scaleX(.18);
  transform-origin: left;
  transition: transform .28s var(--ease);
}
.page-faq .triage__step:hover { background: var(--panel); }
.page-faq .triage__step:hover::after { transform: scaleX(1); }

.page-faq .triage__num {
  display: block;
  font-family: var(--font-num);
  font-size: clamp(32px, 4vw, 44px);
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: var(--gold);
}
.page-faq .triage__title {
  margin: 10px 0 8px;
  font-family: var(--font-display);
  font-size: clamp(17px, 1.9vw, 20px);
  font-weight: 700;
  color: var(--cream);
}
.page-faq .triage__text {
  margin: 0;
  color: var(--mist);
  font-size: 14.5px;
  line-height: 1.75;
}

/* ---------- 顶部横幅图 ---------- */
.page-faq .faq-banner {
  margin: clamp(26px, 4vw, 44px) 0 0;
  border: 2px solid var(--line);
  background: var(--panel-2);
  box-shadow: var(--shadow-hard);
}
.page-faq .faq-banner img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-faq .faq-banner__cap {
  padding: 12px 16px;
  border-top: 2px solid var(--line);
  color: var(--mist);
  font-size: 13px;
  letter-spacing: .04em;
}

/* ---------- 索引 + 问答 两栏 ---------- */
.page-faq .triage-board {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
  gap: var(--faq-gap);
  margin-top: clamp(34px, 5vw, 62px);
}

.page-faq .triage-index {
  border: 2px solid var(--line);
  background: var(--panel-2);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}
.page-faq .triage-index__title {
  margin: 0;
  padding: 12px 16px;
  border-bottom: 2px solid var(--line);
  background: var(--panel);
  font-family: var(--font-display);
  font-size: 14px;
  letter-spacing: .08em;
  color: var(--cream);
}
.page-faq .triage-index__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 12px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.page-faq .triage-index__item { flex: 0 0 auto; }

.page-faq .triage-index__link {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 9px 14px;
  white-space: nowrap;
  border: 1px solid var(--line);
  border-left: 3px solid var(--line);
  color: var(--cream);
  font-size: 14px;
  text-decoration: none;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-faq .triage-index__link .num {
  font-family: var(--font-num);
  font-size: 15px;
  font-variant-numeric: tabular-nums;
  color: var(--gold);
}
.page-faq .triage-index__link:hover,
.page-faq .triage-index__link:focus-visible {
  color: var(--neon);
  background: var(--neon-08);
  border-color: var(--neon-45);
  border-left-color: var(--neon);
  outline: none;
}

/* ---------- 问答分类 ---------- */
.page-faq .qa-cat {
  scroll-margin-top: calc(var(--bar-h) + 24px);
  margin-bottom: clamp(30px, 4vw, 50px);
}
.page-faq .qa-cat:last-child { margin-bottom: 0; }

.page-faq .qa-cat__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 12px;
  margin-bottom: 16px;
  border-bottom: 2px solid var(--line);
}
.page-faq .qa-cat__num {
  font-family: var(--font-num);
  font-size: clamp(22px, 2.6vw, 28px);
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: var(--neon);
}
.page-faq .qa-cat__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(19px, 2.4vw, 27px);
  font-weight: 700;
  color: var(--cream);
}
.page-faq .qa-cat__meta {
  margin-left: auto;
  flex: 0 0 auto;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--mist);
  border: 1px solid var(--line);
  padding: 3px 9px;
}

/* ---------- 折叠卡片 ---------- */
.page-faq .qa-card {
  border: 2px solid var(--line);
  background: var(--panel-2);
  margin-bottom: 10px;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.page-faq .qa-card:last-child { margin-bottom: 0; }
.page-faq .qa-card[open] {
  border-color: var(--neon-45);
  background: var(--panel);
}
.page-faq .qa-card:hover { border-color: var(--neon-30); }

.page-faq .qa-card__q {
  position: relative;
  display: block;
  padding: 15px 46px 15px 16px;
  cursor: pointer;
  list-style: none;
  color: var(--cream);
  font-size: clamp(15px, 1.6vw, 16.5px);
  font-weight: 700;
  line-height: 1.55;
}
.page-faq .qa-card__q::-webkit-details-marker { display: none; }
.page-faq .qa-card__q::after {
  content: "+";
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-num);
  font-size: 22px;
  line-height: 1;
  color: var(--neon);
  transition: transform var(--dur) var(--ease);
}
.page-faq .qa-card[open] .qa-card__q::after {
  content: "\2212";
}

.page-faq .qa-card__a {
  padding: 0 16px 17px;
  border-top: 1px dashed var(--line);
  padding-top: 13px;
}
.page-faq .qa-card__a p {
  margin: 0;
  color: var(--mist);
  font-size: 14.5px;
  line-height: 1.8;
}
.page-faq .qa-card__a a {
  color: var(--neon);
  text-decoration: none;
  border-bottom: 1px solid var(--neon-45);
}
.page-faq .qa-card__a a:hover { border-bottom-color: var(--neon); }

/* ---------- 分类内嵌图 ---------- */
.page-faq .qa-figure {
  margin: 16px 0 0;
  border: 2px solid var(--line);
  background: var(--panel-2);
}
.page-faq .qa-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-faq .qa-figure__cap {
  padding: 10px 14px;
  border-top: 2px solid var(--line);
  color: var(--mist);
  font-size: 12.5px;
  letter-spacing: .04em;
}

/* ---------- 反馈区块 ---------- */
.page-faq .escalate {
  margin-top: clamp(38px, 5vw, 66px);
  border: 2px solid var(--line);
  background:
    linear-gradient(180deg, var(--panel) 0%, var(--panel-2) 100%);
  box-shadow: var(--shadow-hard);
}
.page-faq .escalate__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--faq-gap);
  padding: var(--faq-pad);
}
.page-faq .escalate .meta { color: var(--coral); }

.page-faq .escalate__title {
  margin: 10px 0 12px;
  font-family: var(--font-display);
  font-size: clamp(21px, 3vw, 32px);
  font-weight: 800;
  line-height: 1.2;
  color: var(--cream);
  max-width: 20ch;
}
.page-faq .escalate__text {
  margin: 0 0 20px;
  max-width: 56ch;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.8;
}
.page-faq .escalate__list { margin: 0; }

.page-faq .escalate__col--mail {
  border-top: 2px dashed var(--line);
  padding-top: clamp(18px, 2.4vw, 26px);
}
.page-faq .mail-chip {
  display: block;
  margin: 10px 0 16px;
  padding: 12px 16px;
  border: 2px dashed var(--neon-45);
  background: var(--neon-08);
  color: var(--neon);
  font-size: clamp(14px, 1.9vw, 18px);
  letter-spacing: .02em;
  word-break: break-all;
}
.page-faq .escalate__note {
  margin: 0 0 12px;
  color: var(--mist);
  font-size: 14px;
  line-height: 1.8;
}
.page-faq .escalate__note:last-child { margin-bottom: 0; }
.page-faq .escalate__note a {
  color: var(--neon);
  text-decoration: none;
  border-bottom: 1px solid var(--neon-45);
}
.page-faq .escalate__note a:hover { border-bottom-color: var(--neon); }

/* ---------- 中等屏幕 ---------- */
@media (min-width: 700px) {
  .page-faq .triage {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-faq .escalate__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-faq .escalate__col--mail {
    border-top: 0;
    border-left: 2px dashed var(--line);
    padding-top: 0;
    padding-left: var(--faq-gap);
  }
}

/* ---------- 桌面：常驻索引 ---------- */
@media (min-width: 1024px) {
  .page-faq .triage-board {
    grid-template-columns: var(--faq-idx-w) minmax(0, 1fr);
  }
  .page-faq .triage-index {
    position: sticky;
    top: calc(var(--bar-h) + 20px);
  }
  .page-faq .triage-index__list {
    display: block;
    padding: 10px;
    overflow: visible;
  }
  .page-faq .triage-index__item { margin-bottom: 4px; }
  .page-faq .triage-index__item:last-child { margin-bottom: 0; }
  .page-faq .triage-index__link {
    border: 0;
    border-left: 3px solid transparent;
    padding: 10px 12px;
  }
  .page-faq .triage-index__link:hover,
  .page-faq .triage-index__link:focus-visible {
    border-left-color: var(--neon);
  }
}

@media (min-width: 1280px) {
  .page-faq .faq-hero h1 { max-width: 20ch; }
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .triage__step,
  .page-faq .triage__step::after,
  .page-faq .qa-card,
  .page-faq .triage-index__link {
    transition: none;
  }
}