/* ===== 页面作用域 .page-faq ===== */
.page-faq{
  --faq-bg:#0F241A;
  --faq-panel:#2E3C33;
  --faq-panel-alt:#1E3D2B;
  --faq-text:#EDE6D8;
  --faq-muted:#D8CFB8;
  --faq-accent:#C9A227;
  --faq-wine:#7A2E1C;
  background:
    radial-gradient(circle at 88% 8%, rgba(201,162,39,.14), transparent 340px),
    var(--faq-bg);
  color:var(--faq-text);
  overflow-x:hidden;
  scroll-behavior:smooth;
}

/* ---------- 横幅 ---------- */
.page-faq .faq-banner{
  position:relative;
  padding-top:clamp(20px,5vw,48px);
  background:
    radial-gradient(circle at 82% 12%, rgba(201,162,39,.12), transparent 320px),
    linear-gradient(135deg, rgba(30,61,43,.72) 0%, rgba(15,36,26,.2) 60%);
}
.page-faq .faq-banner__grid{
  display:grid;
  gap:clamp(20px,4vw,40px);
  margin-top:clamp(24px,5vw,48px);
  align-items:end;
}
.page-faq .faq-banner__content h1{
  margin:12px 0 20px;
  font-family:var(--f-headline);
  font-size:clamp(1.9rem,4.8vw,3.4rem);
  line-height:.96;
  letter-spacing:.01em;
  color:var(--faq-text);
  max-width:15ch;
}
.page-faq .faq-banner__content p:not(.eyebrow){
  max-width:66ch;
  margin:0;
  color:var(--faq-muted);
  font-size:clamp(.95rem,1.4vw,1.08rem);
  line-height:1.8;
}
.page-faq .faq-banner__media{
  margin:0;
}
.page-faq .faq-banner__media img{
  display:block;
  width:100%;
  height:auto;
  object-fit:cover;
  border:1px solid rgba(201,162,39,.35);
  clip-path:polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}

/* ---------- 数字统计条 ---------- */
.page-faq .faq-stats{
  list-style:none;
  margin:clamp(28px,5vw,56px) 0 0;
  padding:0;
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:1px;
  background:rgba(201,162,39,.32);
  border:1px solid rgba(201,162,39,.35);
}
.page-faq .faq-stats li{
  background:var(--faq-panel-alt);
  padding:18px 16px 16px;
  display:grid;
  gap:4px;
  min-width:0;
}
.page-faq .faq-stats__num{
  font-family:var(--f-data);
  font-size:clamp(1.4rem,3vw,2rem);
  font-weight:bold;
  color:var(--faq-accent);
  letter-spacing:-.02em;
  line-height:1.1;
}
.page-faq .faq-stats li span:last-child{
  color:var(--faq-muted);
  font-size:.82rem;
  line-height:1.4;
}

/* ---------- 主体布局 ---------- */
.page-faq .faq-body{
  padding:clamp(32px,6vw,72px) 0 clamp(48px,8vw,84px);
}
.page-faq .faq-layout{
  display:grid;
  gap:28px;
  align-items:start;
}
.page-faq .faq-layout__content{
  min-width:0;
}

/* ---------- 侧边索引 ---------- */
.page-faq .faq-index{
  display:flex;
  flex-direction:column;
  gap:14px;
  padding:20px;
  background:var(--faq-panel);
  border-left:4px solid var(--faq-accent);
}
.page-faq .faq-index__hint{
  margin:0;
  font-weight:bold;
  color:var(--faq-text);
  font-size:.95rem;
}
.page-faq .faq-index__list{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:8px;
}
.page-faq .faq-index__list a{
  display:flex;
  align-items:center;
  gap:10px;
  text-decoration:none;
  color:var(--faq-muted);
  font-size:.92rem;
  padding:8px 10px;
  border:1px solid transparent;
  transition:color var(--ease), border-color var(--ease), background var(--ease);
}
.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible{
  color:var(--faq-text);
  border-color:rgba(201,162,39,.5);
  background:rgba(201,162,39,.08);
}
.page-faq .faq-index__no{
  font-family:var(--f-data);
  font-size:.78rem;
  color:var(--faq-accent);
  border:1px solid rgba(201,162,39,.4);
  padding:2px 6px;
  letter-spacing:.06em;
}
.page-faq .faq-index__contact{
  margin-top:8px;
  padding-top:16px;
  border-top:1px solid rgba(201,162,39,.28);
  display:grid;
  gap:6px;
}
.page-faq .faq-index__contact p{
  margin:0;
  font-size:.78rem;
  color:var(--faq-muted);
  opacity:.85;
}
.page-faq .faq-index__contact a{
  color:var(--faq-accent);
  text-decoration:none;
  word-break:break-all;
  font-family:var(--f-data);
  font-size:.85rem;
}
.page-faq .faq-index__contact a:hover{
  text-decoration:underline;
}
.page-faq .faq-index__contact span{
  font-family:var(--f-data);
  color:var(--faq-text);
  font-size:.9rem;
}

/* ---------- 章节 ---------- */
.page-faq .faq-section{
  margin-bottom:clamp(40px,7vw,72px);
  scroll-margin-top:120px;
  position:relative;
}
.page-faq .faq-section:last-of-type{
  margin-bottom:0;
}
.page-faq .faq-section__head{
  display:flex;
  align-items:flex-end;
  gap:14px;
  padding-bottom:14px;
  padding-right:8px;
  margin-bottom:18px;
  border-bottom:1px solid rgba(201,162,39,.4);
}
.page-faq .faq-section__no{
  font-family:var(--f-data);
  font-size:1rem;
  color:var(--faq-wine);
  background:rgba(122,46,28,.18);
  border:1px solid rgba(122,46,28,.5);
  padding:5px 9px;
  letter-spacing:.08em;
  font-weight:bold;
}
.page-faq .faq-section__title{
  margin:0;
  font-family:var(--f-headline);
  font-size:clamp(1.55rem,3.4vw,2.1rem);
  color:var(--faq-text);
  line-height:1.1;
}
.page-faq .faq-section__grid{
  display:grid;
  gap:26px;
}
.page-faq .faq-section__main{
  min-width:0;
}

/* ---------- 手风琴 ---------- */
.page-faq .faq-accordion{
  display:grid;
  gap:14px;
}
.page-faq .faq-accordion__item{
  background:var(--faq-panel);
  border:1px solid rgba(201,162,39,.22);
  border-left:3px solid rgba(201,162,39,.55);
  transition:border-color var(--ease), background var(--ease);
}
.page-faq .faq-accordion__item[open]{
  background:var(--faq-panel-alt);
  border-left-color:var(--faq-accent);
}
.page-faq .faq-accordion__summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:18px;
  padding:18px 20px;
  color:var(--faq-text);
  font-weight:bold;
  font-size:clamp(.98rem,1.4vw,1.06rem);
  line-height:1.5;
  user-select:none;
}
.page-faq .faq-accordion__summary::-webkit-details-marker{
  display:none;
}
.page-faq .faq-accordion__summary::-moz-list-bullet{
  list-style:none;
}
.page-faq .faq-accordion__summary:focus-visible{
  outline:2px solid var(--faq-accent);
  outline-offset:-2px;
}
.page-faq .faq-accordion__icon{
  width:20px;
  height:20px;
  flex:0 0 auto;
  position:relative;
}
.page-faq .faq-accordion__icon::before,
.page-faq .faq-accordion__icon::after{
  content:"";
  position:absolute;
  top:50%;
  left:50%;
  background:var(--faq-accent);
  transform:translate(-50%,-50%);
  transition:transform var(--ease), opacity var(--ease);
}
.page-faq .faq-accordion__icon::before{
  width:16px;
  height:2px;
}
.page-faq .faq-accordion__icon::after{
  width:2px;
  height:16px;
}
.page-faq .faq-accordion__item[open] .faq-accordion__icon::after{
  transform:translate(-50%,-50%) rotate(90deg);
  opacity:0;
}
.page-faq .faq-accordion__item[open] .faq-accordion__icon::before{
  transform:translate(-50%,-50%) rotate(180deg);
}
.page-faq .faq-accordion__content{
  padding:0 22px 22px;
  color:var(--faq-muted);
  line-height:1.8;
  font-size:.95rem;
}
.page-faq .faq-accordion__content p{
  margin:0 0 10px;
}
.page-faq .faq-accordion__content p:last-child{
  margin-bottom:0;
}
.page-faq .faq-accordion__content a{
  color:var(--faq-accent);
  text-decoration:underline;
  text-underline-offset:3px;
}
.page-faq .faq-accordion__content a:hover{
  text-decoration-thickness:2px;
}
.page-faq .faq-highlight{
  color:var(--faq-text);
  font-family:var(--f-data);
  font-size:.92em;
  background:rgba(201,162,39,.14);
  border-bottom:1px solid rgba(201,162,39,.4);
  padding:1px 6px;
  white-space:nowrap;
}

/* ---------- 媒体卡片 ---------- */
.page-faq .faq-media-card{
  margin:0;
  background:var(--faq-panel);
  border:1px solid rgba(201,162,39,.3);
  padding:12px;
}
.page-faq .faq-media-card img{
  display:block;
  width:100%;
  height:auto;
  object-fit:cover;
}
.page-faq .faq-media-card figcaption{
  padding:12px 4px 4px;
  color:var(--faq-muted);
  font-size:.85rem;
  line-height:1.6;
}

/* ---------- 底部协助 ---------- */
.page-faq .faq-fallback{
  margin-top:clamp(40px,8vw,80px);
}
.page-faq .faq-fallback__panel{
  padding:clamp(24px,5vw,48px);
  background:linear-gradient(135deg, #5A2415 0%, var(--faq-wine) 100%);
  border:1px solid rgba(201,162,39,.38);
  clip-path:polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}
.page-faq .faq-fallback__panel h2{
  margin:12px 0 14px;
  font-family:var(--f-headline);
  font-size:clamp(1.5rem,3.2vw,2rem);
  color:var(--faq-text);
}
.page-faq .faq-fallback__panel p:not(.eyebrow){
  color:var(--faq-muted);
  line-height:1.8;
  max-width:60ch;
  margin:0 0 20px;
}
.page-faq .faq-fallback__actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
}
.page-faq .faq-fallback__actions .btn--ghost{
  border-color:rgba(237,230,216,.65);
  color:var(--faq-text);
}

/* ---------- 断点：平板 ---------- */
@media (min-width: 640px){
  .page-faq .faq-stats{
    grid-template-columns:repeat(4,1fr);
  }
  .page-faq .faq-stats li{
    padding:22px 18px 18px;
  }
  .page-faq .faq-index__list{
    grid-template-columns:repeat(2,1fr);
  }
}

/* ---------- 断点：桌面 ---------- */
@media (min-width: 1024px){
  .page-faq .faq-banner__grid{
    grid-template-columns:minmax(0,1fr) minmax(0,.9fr);
  }
  .page-faq .faq-banner__media img{
    max-height:260px;
  }
  .page-faq .faq-layout{
    grid-template-columns:280px minmax(0,1fr);
    gap:clamp(32px,5vw,64px);
  }
  .page-faq .faq-index{
    position:sticky;
    top:120px;
  }
  .page-faq .faq-section__grid{
    grid-template-columns:minmax(0,1.4fr) minmax(260px,.6fr);
    gap:36px;
    align-items:start;
  }
  .page-faq .faq-board__aside{
    position:sticky;
    top:120px;
  }
  .page-faq .faq-accordion__content{
    font-size:1rem;
  }
}

/* ---------- 减弱动态效果 ---------- */
@media (prefers-reduced-motion: reduce){
  .page-faq{
    scroll-behavior:auto;
  }
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after{
    transition:none !important;
    animation:none !important;
  }
}