.page-faq {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  padding-bottom: 64px;
  -webkit-font-smoothing: antialiased;
}

.page-faq .faq-wrap {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* ===== 面包屑 ===== */
.page-faq .faq-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-top: calc(var(--header-h) + 18px);
  font-size: 13px;
  letter-spacing: .02em;
  color: var(--slate);
}
.page-faq .faq-crumb a {
  color: var(--brand);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .2s var(--ease);
}
.page-faq .faq-crumb a:hover { border-bottom-color: var(--gold); }
.page-faq .faq-crumb__sep { color: var(--mist); }
.page-faq .faq-crumb__now { color: var(--ink); font-weight: 600; }

/* ===== 首屏 ===== */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  margin-top: 20px;
  padding: 40px 22px 34px;
  border-radius: var(--r-lg);
  background:
    radial-gradient(120% 130% at 88% 10%, rgba(200, 149, 47, .22) 0%, rgba(200, 149, 47, 0) 56%),
    linear-gradient(152deg, var(--ink) 0%, var(--deep) 62%, #17406f 100%);
  color: var(--white);
}
.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
  background-size: 46px 46px;
  pointer-events: none;
}
.page-faq .faq-hero > * { position: relative; z-index: 1; }

.page-faq .faq-hero__side {
  display: none;
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  writing-mode: vertical-rl;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .34em;
  color: rgba(240, 223, 184, .5);
}

.page-faq .faq-hero__eyebrow {
  display: inline-block;
  margin: 0 0 16px;
  padding: 6px 14px;
  border: 1px solid rgba(240, 223, 184, .4);
  border-radius: var(--r-pill);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--gold-tint);
}
.page-faq .faq-hero__title {
  margin: 0 0 16px;
  max-width: 18ch;
  font-size: clamp(28px, 7.4vw, 58px);
  line-height: 1.1;
  font-weight: 900;
  letter-spacing: -0.02em;
}
.page-faq .faq-hero__title em {
  font-style: normal;
  color: var(--gold);
}
.page-faq .faq-hero__lead {
  margin: 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(255, 255, 255, .78);
}

.page-faq .faq-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 26px;
}
.page-faq .faq-stat {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  padding: 8px 15px;
  border: 1px solid rgba(227, 230, 234, .22);
  border-radius: var(--r-pill);
  font-size: 12.5px;
  color: rgba(255, 255, 255, .74);
}
.page-faq .faq-stat b {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--gold-tint);
}

/* ===== 通用分区标题 ===== */
.page-faq .faq-sec-head { margin: 0 0 22px; }
.page-faq .faq-sec-head__no {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .22em;
  color: var(--gold);
}
.page-faq .faq-sec-head h2 {
  margin: 0 0 10px;
  font-size: clamp(22px, 4.6vw, 34px);
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: -0.01em;
}
.page-faq .faq-sec-head p {
  margin: 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--slate);
}

/* ===== 问题分类索引 ===== */
.page-faq .faq-index { padding-top: 54px; }
.page-faq .faq-index__body { display: grid; gap: 14px; }

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

.page-faq .faq-cat {
  display: block;
  padding: 18px 18px 17px;
  background: var(--white);
  border: 1px solid var(--mist);
  border-radius: var(--r-md);
  color: inherit;
  text-decoration: none;
  transition: transform .25s var(--ease), border-color .25s var(--ease), box-shadow .25s var(--ease);
}
.page-faq .faq-cat:nth-child(1) { --faq-accent: var(--brand); }
.page-faq .faq-cat:nth-child(2) { --faq-accent: var(--deep); }
.page-faq .faq-cat:nth-child(3) { --faq-accent: var(--celadon); }
.page-faq .faq-cat:nth-child(4) { --faq-accent: var(--brick); }
.page-faq .faq-cat:hover,
.page-faq .faq-cat:focus-visible {
  transform: translateY(-2px);
  border-color: var(--gold);
  box-shadow: var(--shadow-card);
}
.page-faq .faq-cat__no {
  display: inline-block;
  margin-bottom: 12px;
  padding: 4px 10px;
  border: 1px solid var(--mist);
  border-radius: var(--r-pill);
  background: var(--paper);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--faq-accent);
}
.page-faq .faq-cat__title {
  display: block;
  margin-bottom: 6px;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
}
.page-faq .faq-cat__desc {
  display: block;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--slate);
}
.page-faq .faq-cat__go {
  display: inline-block;
  margin-top: 12px;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--faq-accent);
}

.page-faq .faq-index__media {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--mist);
  border-radius: var(--r-lg);
  background: var(--ink);
}
.page-faq .faq-index__media img {
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: 12 / 7;
  object-fit: cover;
}

/* ===== 问答区 ===== */
.page-faq .faq-questions { padding-top: 60px; }

.page-faq .faq-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 24px;
}
.page-faq .faq-filter {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 16px;
  border: 1px solid var(--mist);
  border-radius: var(--r-pill);
  background: var(--white);
  font-size: 13.5px;
  font-weight: 600;
  color: var(--ink);
  text-decoration: none;
  transition: border-color .2s var(--ease), color .2s var(--ease);
}
.page-faq .faq-filter span {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--gold);
}
.page-faq .faq-filter:hover,
.page-faq .faq-filter:focus-visible {
  border-color: var(--brand);
  color: var(--brand);
}

.page-faq .faq-cols {
  display: grid;
  gap: 22px;
  align-items: start;
}

/* 左栏：问题清单 */
.page-faq .faq-rail {
  display: grid;
  gap: 20px;
  padding: 18px;
  background: var(--white);
  border: 1px solid var(--mist);
  border-radius: var(--r-lg);
}
.page-faq .faq-rail__group:nth-child(1) { --faq-accent: var(--brand); }
.page-faq .faq-rail__group:nth-child(2) { --faq-accent: var(--deep); }
.page-faq .faq-rail__group:nth-child(3) { --faq-accent: var(--celadon); }
.page-faq .faq-rail__group:nth-child(4) { --faq-accent: var(--brick); }

.page-faq .faq-rail__group h3 {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin: 0 0 10px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--slate);
}
.page-faq .faq-rail__group h3 b {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--faq-accent);
}

.page-faq .faq-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}
.page-faq .faq-rail__list a {
  display: block;
  padding: 8px 10px;
  border-left: 2px solid var(--mist);
  border-radius: var(--r-sm);
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--ink);
  text-decoration: none;
  transition: background .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease);
}
.page-faq .faq-rail__list a:hover,
.page-faq .faq-rail__list a:focus-visible {
  background: var(--paper);
  border-left-color: var(--gold);
  color: var(--brand);
}

/* 右栏：答案卡片 */
.page-faq .faq-answers { display: grid; gap: 14px; }

.page-faq .faq-ans {
  padding: 22px 20px;
  background: var(--white);
  border: 1px solid var(--mist);
  border-radius: 26px;
  scroll-margin-top: calc(var(--header-h) + 22px);
  transition: border-color .25s var(--ease), box-shadow .25s var(--ease);
}
.page-faq .faq-ans:hover {
  border-color: var(--gold-tint);
  box-shadow: 0 18px 40px -34px rgba(14, 27, 51, .6);
}
.page-faq .faq-ans__head {
  display: flex;
  align-items: flex-start;
  gap: 11px;
  margin-bottom: 11px;
}
.page-faq .faq-ans__no {
  flex: none;
  margin-top: 2px;
  padding: 4px 10px;
  border-radius: var(--r-pill);
  background: var(--gold-tint);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  line-height: 1.5;
}
.page-faq .faq-ans__q {
  margin: 0;
  font-size: 16.5px;
  line-height: 1.5;
  font-weight: 700;
  color: var(--ink);
}
.page-faq .faq-ans__a {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--slate);
}
.page-faq .faq-ans__a + .faq-ans__a { margin-top: 9px; }
.page-faq .faq-ans__a a {
  color: var(--brand);
  text-decoration: underline;
  text-decoration-color: var(--gold);
  text-underline-offset: 3px;
}

/* 数据说明图 */
.page-faq .faq-figure {
  margin: 0;
  padding: 12px 12px 4px;
  background: var(--white);
  border: 1px solid var(--mist);
  border-radius: 26px;
}
.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--r-md);
}
.page-faq .faq-figure figcaption {
  padding: 12px 4px 10px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--slate);
}

/* ===== 仍未解决 ===== */
.page-faq .faq-help {
  position: relative;
  overflow: hidden;
  margin-top: 58px;
  padding: 32px 22px 34px;
  border-radius: var(--r-lg);
  background: linear-gradient(140deg, var(--ink) 0%, var(--deep) 100%);
  color: var(--white);
}
.page-faq .faq-help::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--gold) 0%, rgba(200, 149, 47, 0) 72%);
}
.page-faq .faq-help h2 {
  margin: 0 0 12px;
  font-size: clamp(20px, 4.4vw, 28px);
  line-height: 1.25;
  font-weight: 800;
}
.page-faq .faq-help p {
  margin: 0 0 20px;
  max-width: 58ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(255, 255, 255, .76);
}
.page-faq .faq-help__mail {
  font-family: var(--font-mono);
  color: var(--gold-tint);
  word-break: break-all;
}
.page-faq .faq-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.page-faq .faq-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: var(--r-pill);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: transform .22s var(--ease), background .22s var(--ease), border-color .22s var(--ease), color .22s var(--ease);
}
.page-faq .faq-btn--gold {
  background: var(--gold);
  color: var(--ink);
}
.page-faq .faq-btn--gold:hover {
  transform: translateY(-2px);
  background: var(--gold-tint);
}
.page-faq .faq-btn--ghost {
  border: 1px solid rgba(227, 230, 234, .4);
  color: var(--white);
}
.page-faq .faq-btn--ghost:hover {
  border-color: var(--gold);
  color: var(--gold-tint);
}

/* ===== 响应式 ===== */
@media (min-width: 560px) {
  .page-faq .faq-hero { padding: 52px 36px 46px; }
  .page-faq .faq-cats { grid-template-columns: 1fr 1fr; }
  .page-faq .faq-ans { padding: 24px 26px; }
  .page-faq .faq-figure { padding: 14px 14px 4px; }
}

@media (min-width: 900px) {
  .page-faq .faq-hero { padding: 64px 48px 54px; }
  .page-faq .faq-hero__side { display: block; }
  .page-faq .faq-index__body {
    grid-template-columns: 1.08fr .92fr;
    align-items: stretch;
  }
  .page-faq .faq-index__media img { aspect-ratio: auto; }
}

@media (min-width: 980px) {
  .page-faq .faq-cols {
    grid-template-columns: 288px minmax(0, 1fr);
    gap: 34px;
  }
  .page-faq .faq-rail {
    position: sticky;
    top: calc(var(--header-h) + 18px);
    max-height: calc(100vh - var(--header-h) - 44px);
    overflow-y: auto;
  }
  .page-faq .faq-rail::-webkit-scrollbar { width: 6px; }
  .page-faq .faq-rail::-webkit-scrollbar-thumb {
    background: var(--mist);
    border-radius: 3px;
  }
  .page-faq .faq-help { padding: 46px 48px; }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-cat,
  .page-faq .faq-btn,
  .page-faq .faq-ans,
  .page-faq .faq-rail__list a {
    transition: none;
  }
  .page-faq .faq-cat:hover,
  .page-faq .faq-btn--gold:hover {
    transform: none;
  }
}