.page-faq{
  --faq-border: rgba(241,245,249,0.18);
  --faq-border-strong: rgba(241,245,249,0.32);
  --faq-dir-bg: rgba(11,20,32,0.6);
  --faq-item-bg: rgba(11,20,32,0.72);
  --faq-item-bg-hover: rgba(196,255,0,0.1);
  --faq-accent-line: #E63946;
  --faq-lime: #C4FF00;
  --faq-text: #F1F5F9;
  --faq-muted: #94A3B8;
  --faq-dark: #0D1B2A;
  --faq-deep: #0B1420;
  --faq-radius: 12px;
  --faq-shadow: 0 8px 24px rgba(0,0,0,0.4);
}

.page-faq{
  background: var(--faq-dark);
  color: var(--faq-text);
  font-family: var(--font-body);
  line-height: 1.7;
  overflow-x: hidden;
  margin: 0;
  padding: 0 0 80px;
}

.page-faq .content-container{
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
}

/* ===== 顶部 Hero ===== */
.page-faq .faq-hero{
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  padding: 40px 0 48px;
  border-bottom: 2px solid var(--faq-border);
  margin-bottom: 40px;
  position: relative;
}

.page-faq .faq-hero::before{
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 160px;
  height: 160px;
  background: linear-gradient(135deg, transparent 58%, rgba(230,57,70,0.22) 58%, rgba(230,57,70,0.22) 72%, transparent 72%);
  pointer-events: none;
  z-index: 0;
}

.page-faq .faq-hero-copy{
  position: relative;
  z-index: 1;
}

.page-faq .breadcrumbs{
  margin-bottom: 18px;
}

.page-faq .breadcrumb-list{
  display: flex;
  flex-wrap: wrap;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 8px;
  font-size: 13px;
}

.page-faq .breadcrumb-item{
  display: flex;
  align-items: center;
  color: var(--faq-muted);
  font-family: var(--font-data);
  letter-spacing: 0.02em;
}

.page-faq .breadcrumb-item + .breadcrumb-item::before{
  content: "/";
  margin-right: 8px;
  color: rgba(148,163,184,0.5);
}

.page-faq .breadcrumb-link{
  color: var(--faq-muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

.page-faq .breadcrumb-link:hover{
  color: var(--faq-lime);
}

.page-faq .section-eyebrow{
  font-family: var(--font-data);
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--faq-lime);
  font-weight: 500;
  margin: 0 0 10px;
}

.page-faq .faq-hero h1{
  font-family: var(--font-display);
  font-size: clamp(30px, 5vw, 52px);
  line-height: 1.15;
  margin: 0 0 18px;
  color: #fff;
  letter-spacing: 0.01em;
}

.page-faq .faq-hero h1::after{
  content: "?";
  color: var(--faq-accent-line);
  font-size: 0.7em;
  vertical-align: super;
  margin-left: 4px;
}

.page-faq .faq-hero .lead{
  font-size: 16px;
  color: rgba(241,245,249,0.82);
  max-width: 600px;
  margin: 0 0 28px;
  line-height: 1.8;
}

/* ===== 搜索框 ===== */
.page-faq .faq-search-wrap{
  max-width: 580px;
}

.page-faq .faq-search-label{
  display: block;
  font-family: var(--font-data);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--faq-muted);
  margin-bottom: 8px;
}

.page-faq .faq-search-box{
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--faq-deep);
  border: 2px solid var(--faq-border-strong);
  border-radius: var(--faq-radius);
  padding: 12px 16px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.page-faq .faq-search-box:focus-within{
  border-color: var(--faq-lime);
  box-shadow: 0 0 0 3px rgba(196,255,0,0.15);
}

.page-faq .faq-search-icon{
  color: var(--faq-muted);
  flex-shrink: 0;
}

.page-faq .faq-search-input{
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--faq-text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  min-width: 0;
}

.page-faq .faq-search-input::placeholder{
  color: rgba(148,163,184,0.65);
}

.page-faq .faq-search-hint{
  font-family: var(--font-data);
  font-size: 12px;
  color: var(--faq-muted);
  white-space: nowrap;
  flex-shrink: 0;
}

.page-faq .faq-search-hint b{
  color: var(--faq-lime);
  font-weight: 700;
  margin: 0 2px;
}

.page-faq .faq-search-helper{
  font-size: 12px;
  color: rgba(148,163,184,0.6);
  margin: 8px 0 0;
  letter-spacing: 0.01em;
}

/* ===== Hero 视觉 ===== */
.page-faq .faq-hero-visual{
  position: relative;
  display: flex;
  align-items: flex-start;
  justify-content: flex-end;
}

.page-faq .faq-hero-media{
  position: relative;
  width: 220px;
  max-width: 100%;
  transform: rotate(2deg);
  transition: transform 0.3s ease;
}

.page-faq .faq-hero-media::before{
  content: "";
  position: absolute;
  inset: 12px -10px -10px 12px;
  border: 3px solid var(--faq-accent-line);
  border-radius: 50%;
  opacity: 0.55;
  z-index: -1;
}

.page-faq .faq-hero-media img{
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  border-radius: 50%;
  border: 3px solid var(--faq-border-strong);
  object-fit: cover;
  aspect-ratio: 1/1;
}

.page-faq .faq-hero-media::after{
  content: "";
  position: absolute;
  bottom: -6px;
  left: -10px;
  width: 34px;
  height: 34px;
  border-radius: 6px;
  background: var(--faq-lime);
  opacity: 0.8;
  z-index: -1;
}

.page-faq .vertical-note{
  writing-mode: vertical-rl;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.3em;
  color: rgba(148,163,184,0.5);
  text-transform: uppercase;
  margin-left: 16px;
  transform: rotate(180deg);
  white-space: nowrap;
}

/* ===== 主布局：目录 + 内容 ===== */
.page-faq .faq-layout{
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
}

.page-faq .faq-directory{
  position: relative;
  background: var(--faq-dir-bg);
  border: 2px solid var(--faq-border);
  border-left: 6px solid var(--faq-accent-line);
  border-radius: var(--faq-radius);
  padding: 24px 20px;
  align-self: start;
}

.page-faq .faq-dir-label{
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: #fff;
  text-transform: uppercase;
  margin: 0 0 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--faq-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.page-faq .faq-dir-label::after{
  content: "";
  display: inline-block;
  width: 28px;
  height: 2px;
  background: var(--faq-accent-line);
}

.page-faq .faq-dir-list{
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
}

.page-faq .faq-dir-item{
  margin-bottom: 4px;
}

.page-faq .faq-dir-link{
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 6px;
  border: 2px solid transparent;
  text-decoration: none;
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
  cursor: pointer;
}

.page-faq .faq-dir-link:hover{
  background: var(--faq-lime-soft);
  border-color: var(--faq-border-strong);
}

.page-faq .faq-dir-link.is-active{
  background: var(--faq-red-soft, rgba(230,57,70,0.15));
  border-color: var(--faq-accent-line);
}

.page-faq .faq-dir-num{
  font-family: var(--font-data);
  font-size: 12px;
  color: var(--faq-muted);
  min-width: 22px;
}

.page-faq .faq-dir-link.is-active .faq-dir-num{
  color: var(--faq-accent-line);
}

.page-faq .faq-dir-name{
  font-size: 15px;
  font-weight: 500;
  color: var(--faq-text);
  flex: 1;
}

.page-faq .faq-dir-count{
  font-family: var(--font-data);
  font-size: 12px;
  color: var(--faq-lime);
  background: rgba(196,255,0,0.12);
  border-radius: 20px;
  padding: 4px 10px;
  min-width: 28px;
  text-align: center;
}

.page-faq .faq-dir-note{
  background: var(--faq-deep);
  border-radius: 8px;
  padding: 18px 16px;
  border-left: 3px solid var(--faq-lime);
}

.page-faq .faq-dir-note-title{
  font-family: var(--font-display);
  font-size: 16px;
  margin: 0 0 6px;
  color: #fff;
}

.page-faq .faq-dir-note-text{
  font-size: 13px;
  color: var(--faq-muted);
  margin: 0 0 14px;
  line-height: 1.6;
}

/* ===== 内容区 ===== */
.page-faq .faq-content{
  min-width: 0;
}

.page-faq .faq-section{
  margin-bottom: 56px;
}

.page-faq .faq-section-head{
  margin-bottom: 24px;
  border-bottom: 2px solid var(--faq-border);
  padding-bottom: 16px;
}

.page-faq .faq-section-eyebrow{
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--faq-lime);
  margin: 0 0 6px;
}

.page-faq .faq-section-title{
  font-family: var(--font-display);
  font-size: 28px;
  line-height: 1.2;
  margin: 0 0 6px;
  color: #fff;
  letter-spacing: 0.01em;
}

.page-faq .faq-section-desc{
  font-size: 14px;
  color: var(--faq-muted);
  margin: 0;
}

/* ===== Tab ===== */
.page-faq .tabs{
  margin-top: 8px;
}

.page-faq .tab-list{
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  border-bottom: 2px solid var(--faq-border);
  padding-bottom: 12px;
  margin-bottom: 20px;
}

.page-faq .tab{
  background: transparent;
  border: 2px solid var(--faq-border);
  border-radius: 30px;
  color: var(--faq-muted);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  padding: 8px 18px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.page-faq .tab:hover{
  border-color: var(--faq-lime);
  color: var(--faq-lime);
}

.page-faq .tab[aria-selected="true"]{
  background: var(--faq-lime);
  border-color: var(--faq-lime);
  color: var(--faq-deep);
  font-weight: 700;
}

.page-faq .tab-panel h3{
  margin: 0;
}

/* ===== 手风琴 ===== */
.page-faq .faq-item{
  margin-bottom: 10px;
  background: var(--faq-item-bg);
  border: 2px solid var(--faq-border);
  border-radius: 10px;
  overflow: hidden;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.page-faq .faq-item:hover{
  border-color: var(--faq-border-strong);
  background: var(--faq-item-bg-hover);
}

.page-faq .faq-q-btn{
  width: 100%;
  display: flex;
  align-items: center;
  gap: 14px;
  background: transparent;
  border: none;
  padding: 18px 18px;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-body);
  color: var(--faq-text);
  transition: color 0.2s ease;
}

.page-faq .faq-q-btn:hover{
  color: #fff;
}

.page-faq .faq-q-mark{
  font-family: var(--font-data);
  font-size: 13px;
  font-weight: 700;
  color: var(--faq-accent-line);
  background: rgba(230,57,70,0.15);
  border-radius: 6px;
  padding: 4px 8px;
  line-height: 1;
  flex-shrink: 0;
  min-width: 44px;
  text-align: center;
}

.page-faq .faq-q-text{
  font-size: 16px;
  font-weight: 600;
  flex: 1;
  line-height: 1.5;
  letter-spacing: 0.01em;
}

.page-faq .faq-q-icon{
  position: relative;
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.page-faq .faq-q-icon::before,
.page-faq .faq-q-icon::after{
  content: "";
  position: absolute;
  background: var(--faq-lime);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.2s ease;
}

.page-faq .faq-q-icon::before{
  top: 8px;
  left: 0;
  width: 18px;
  height: 2px;
}

.page-faq .faq-q-icon::after{
  top: 0;
  left: 8px;
  width: 2px;
  height: 18px;
}

.page-faq .faq-q-btn[aria-expanded="true"] .faq-q-icon::after{
  transform: rotate(90deg);
  opacity: 0;
}

.page-faq .faq-q-btn[aria-expanded="true"] .faq-q-icon::before{
  transform: rotate(180deg);
}

.page-faq .faq-a{
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  padding: 0 18px;
  background: rgba(13,27,42,0.6);
  border-top: 1px solid transparent;
}

.page-faq .faq-q-btn[aria-expanded="true"] + .faq-a{
  max-height: 600px;
  padding: 14px 18px 18px;
  border-top-color: var(--faq-border);
}

.page-faq .faq-a p{
  margin: 0 0 10px;
  font-size: 15px;
  color: rgba(241,245,249,0.86);
  line-height: 1.75;
}

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

.page-faq .faq-a a{
  color: var(--faq-lime);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.2s ease;
}

.page-faq .faq-a a:hover{
  color: #fff;
}

/* ===== 底部CTA ===== */
.page-faq .faq-cta{
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  background: var(--faq-deep);
  border: 2px solid var(--faq-border);
  border-radius: 16px;
  overflow: hidden;
  margin-top: 24px;
  position: relative;
}

.page-faq .faq-cta::before{
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--faq-accent-line) 0%, var(--faq-lime) 100%);
}

.page-faq .faq-cta-media{
  position: relative;
  min-height: 160px;
  background: rgba(196,255,0,0.08);
}

.page-faq .faq-cta-media img{
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-faq .faq-cta-copy{
  padding: 28px 24px 30px;
}

.page-faq .faq-cta-eyebrow{
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--faq-lime);
  margin: 0 0 8px;
}

.page-faq .faq-cta-title{
  font-family: var(--font-display);
  font-size: 24px;
  line-height: 1.3;
  color: #fff;
  margin: 0 0 12px;
}

.page-faq .faq-cta-text{
  font-size: 15px;
  color: rgba(241,245,249,0.8);
  margin: 0 0 20px;
  line-height: 1.75;
}

.page-faq .faq-cta-actions{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq .faq-cta-actions .btn{
  padding: 12px 22px;
  font-size: 14px;
}

/* ===== 按钮 ===== */
.page-faq .btn{
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 2px solid transparent;
  border-radius: 8px;
  font-family: var(--font-body);
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: 0.02em;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.22s ease;
}

.page-faq .btn-primary{
  background: var(--faq-accent-line);
  border-color: var(--faq-accent-line);
  color: #fff;
  box-shadow: 0 4px 14px rgba(230,57,70,0.3);
}

.page-faq .btn-primary:hover{
  background: transparent;
  color: var(--faq-accent-line);
  box-shadow: none;
}

.page-faq .btn-ghost{
  background: transparent;
  border-color: var(--faq-border-strong);
  color: var(--faq-text);
}

.page-faq .btn-ghost:hover{
  border-color: var(--faq-lime);
  color: var(--faq-lime);
}

.page-faq .btn-secondary{
  background: transparent;
  border-color: var(--faq-lime);
  color: var(--faq-lime);
}

.page-faq .btn-secondary:hover{
  background: var(--faq-lime);
  color: var(--faq-deep);
}

.page-faq .btn-sm{
  padding: 8px 16px;
  font-size: 13px;
}

/* ===== is-visible ===== */
.page-faq [data-reveal]{
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.page-faq [data-reveal].is-visible{
  opacity: 1;
  transform: translateY(0);
}

/* ===== 移动端优先级 ===== */
@media (min-width: 720px){
  .page-faq .faq-hero{
    grid-template-columns: 1.4fr 0.8fr;
    align-items: center;
  }

  .page-faq .faq-hero-visual{
    justify-content: flex-end;
  }

  .page-faq .faq-layout{
    grid-template-columns: 260px 1fr;
    gap: 48px;
  }

  .page-faq .faq-directory{
    position: sticky;
    top: calc(var(--header-h, 80px) + 20px);
    z-index: 5;
  }

  .page-faq .faq-cta{
    grid-template-columns: 0.85fr 1fr;
  }

  .page-faq .faq-cta-copy{
    padding: 36px 32px;
  }

  .page-faq .faq-cta-media{
    min-height: 100%;
  }

  .page-faq .faq-hero-media{
    width: 260px;
  }
}

@media (min-width: 1080px){
  .page-faq .content-container{
    padding-left: 32px;
    padding-right: 32px;
  }

  .page-faq .faq-hero{
    gap: 64px;
  }

  .page-faq .faq-layout{
    grid-template-columns: 290px 1fr;
    gap: 64px;
  }

  .page-faq .faq-section-title{
    font-size: 32px;
  }

  .page-faq .faq-cta-title{
    font-size: 28px;
  }
}

/* ===== tab-panel 内部嵌套的隐藏内容在无JS时保持可读 ===== */
.page-faq .tab-panel[hidden]{
  display: none;
}

.page-faq .faq-search-input::-webkit-search-cancel-button{
  -webkit-appearance: none;
  appearance: none;
  display: none;
}

/* ===== 键盘焦点 ===== */
.page-faq .faq-q-btn:focus-visible,
.page-faq .faq-dir-link:focus-visible,
.page-faq .tab:focus-visible,
.page-faq .btn:focus-visible{
  outline: 3px solid var(--faq-lime);
  outline-offset: 2px;
}

/* ===== 减少动效 ===== */
@media (prefers-reduced-motion: reduce){
  .page-faq [data-reveal]{
    opacity: 1;
    transform: none;
    transition: none;
  }

  .page-faq .faq-q-icon::before,
  .page-faq .faq-q-icon::after,
  .page-faq .faq-a,
  .page-faq .btn,
  .page-faq .faq-dir-link,
  .page-faq .tab{
    transition: none;
  }
}

.page-faq {
  --faq-lime-soft: transparent;
  --faq-red-soft: transparent;
}