.page-faq{
  --faq-card-surface: #F5F0E8;
  --faq-card-text: #1A1A1A;
  --faq-card-muted: #555555;
  --faq-grid-line: rgba(0, 229, 255, 0.14);
  --faq-neon-soft: rgba(57, 255, 20, 0.08);

  background: var(--bg, #0B0C14);
  color: var(--white, #FFFFFF);
  min-height: 100vh;
  overflow-x: hidden;
}

.page-faq .container{
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
}

.page-faq img{
  max-width: 100%;
  height: auto;
}

/* ===== 面包屑 ===== */
.page-faq .breadcrumb{
  display: flex;
  align-items: center;
  gap: 8px;
  max-width: 1240px;
  margin: 0 auto;
  padding: 20px 20px 0;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
}

.page-faq .breadcrumb a{
  color: var(--accent);
  text-decoration: none;
}

.page-faq .breadcrumb a:hover{
  text-decoration: underline;
}

.page-faq .breadcrumb-sep{
  color: var(--border, #4D4D4D);
}

/* ===== Hero ===== */
.page-faq .faq-hero{
  position: relative;
  padding: 44px 0 48px;
  margin-top: 0;
  background:
    radial-gradient(circle at 82% 18%, rgba(0, 229, 255, 0.16), transparent 34%),
    radial-gradient(circle at 12% 80%, rgba(255, 64, 129, 0.10), transparent 38%),
    linear-gradient(135deg, #221240 0%, #3D0A1E 58%, #0B0C14 100%);
  border-bottom: 1px solid rgba(0, 229, 255, 0.28);
  overflow: hidden;
}

.page-faq .faq-hero::after{
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.02) 0 1px, transparent 1px 4px);
  pointer-events: none;
}

.page-faq .faq-hero-grid{
  display: flex;
  flex-direction: column;
  gap: 28px;
  position: relative;
  z-index: 1;
}

.page-faq .hero-note{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid rgba(57, 255, 20, 0.3);
  background: rgba(57, 255, 20, 0.08);
  color: var(--neon);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 1px;
  padding: 8px 14px;
  border-radius: 999px;
  margin-bottom: 18px;
}

.page-faq .hero-note-dot{
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--neon);
  box-shadow: 0 0 8px var(--neon);
}

.page-faq .faq-hero-copy .kicker{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 2px;
  color: var(--accent);
  text-transform: uppercase;
}

.page-faq .faq-hero-copy h1{
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(26px, 5vw, 42px);
  line-height: 1.18;
  transform: skew(-5deg);
  margin: 12px 0 18px;
  max-width: 900px;
  position: relative;
  padding-bottom: 16px;
  color: var(--white);
}

.page-faq .faq-hero-copy h1::after{
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 120px;
  height: 4px;
  background: linear-gradient(90deg, var(--accent), var(--neon));
}

.page-faq .faq-hero-copy p{
  font-size: 15px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.74);
  max-width: 640px;
  margin: 0;
}

.page-faq .faq-hero-side{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-faq .hero-stat{
  border: 1px solid rgba(0, 229, 255, 0.4);
  background: rgba(0, 229, 255, 0.07);
  border-radius: 14px;
  padding: 14px 18px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 108px;
  flex: 1;
  backdrop-filter: blur(4px);
}

.page-faq .hero-stat-num{
  font-family: var(--font-mono);
  font-size: 32px;
  line-height: 1;
  color: var(--accent);
  font-weight: 700;
  display: inline-block;
}

.page-faq .hero-stat-label{
  font-size: 13px;
  color: rgba(255, 255, 255, 0.72);
  border-left: 1px solid rgba(255, 255, 255, 0.22);
  padding-left: 10px;
  white-space: nowrap;
}

/* ===== 区块标题 ===== */
.page-faq .faq-section-head{
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 28px;
  border-bottom: 2px solid rgba(0, 229, 255, 0.25);
  padding-bottom: 14px;
}

.page-faq .faq-section-head .section-title{
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 900;
  transform: skew(-5deg);
  color: var(--white);
  margin: 0;
  letter-spacing: 1px;
  text-transform: uppercase;
  display: inline-block;
}

.page-faq .faq-section-head .kicker{
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 2px;
  margin-bottom: 5px;
  text-transform: uppercase;
}

/* ===== 步骤区 ===== */
.page-faq .faq-steps{
  background:
    radial-gradient(circle at 96% 8%, rgba(0, 229, 255, 0.06), transparent 26%),
    linear-gradient(180deg, #0B0C14 0%, #101126 100%);
  padding: 48px 0 56px;
}

.page-faq .faq-steps .faq-section-head .kicker{
  color: var(--accent);
}

.page-faq .step-layout{
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.page-faq .step-device{
  background: rgba(0, 229, 255, 0.05);
  border: 1px solid rgba(0, 229, 255, 0.3);
  border-radius: 18px;
  padding: 14px;
  margin: 0;
  max-width: 420px;
  box-shadow: 0 0 24px rgba(0, 0, 0, 0.3);
}

.page-faq .step-device img{
  display: block;
  width: 100%;
  height: auto;
  border-radius: 12px;
  background: #1A1035;
  object-fit: cover;
}

.page-faq .step-device figcaption{
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent);
  text-align: center;
  letter-spacing: 1px;
}

.page-faq .step-track{
  display: flex;
  flex-direction: column;
  gap: 14px;
  flex: 1;
}

.page-faq .step-card{
  background: var(--faq-card-surface);
  color: var(--faq-card-text);
  border-radius: 16px;
  padding: 20px 18px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow-soft);
  display: flex;
  gap: 14px;
  align-items: flex-start;
  position: relative;
}

.page-faq .step-num{
  background: #081018;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 38px;
  border: 1px solid rgba(0, 229, 255, 0.5);
  box-shadow: 0 0 12px rgba(0, 229, 255, 0.25);
}

.page-faq .step-body{
  flex: 1;
}

.page-faq .step-body h3{
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 800;
  margin: 0 0 6px;
  color: var(--faq-card-text);
}

.page-faq .step-body p{
  font-size: 13px;
  line-height: 1.65;
  color: var(--faq-card-muted);
  margin: 0;
}

.page-faq .step-arrow{
  display: none;
}

/* ===== 常见问题 ===== */
.page-faq .faq-qa{
  background:
    radial-gradient(circle at 8% 30%, rgba(255, 64, 129, 0.1), transparent 42%),
    linear-gradient(180deg, #3D0A1E 0%, #2A0616 100%);
  padding: 48px 0 56px;
  border-top: 1px solid rgba(255, 64, 129, 0.3);
  border-bottom: 1px solid rgba(255, 64, 129, 0.2);
}

.page-faq .faq-qa .faq-section-head .kicker{
  color: var(--pink);
}

.page-faq .faq-list{
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-faq .faq-card{
  background: var(--faq-card-surface);
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  overflow: hidden;
  transition: border-color .2s ease, box-shadow .2s ease;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.16);
}

.page-faq .faq-card[open]{
  border-color: rgba(255, 64, 129, 0.42);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.24);
}

.page-faq .faq-card summary{
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-q-icon{
  flex: 0 0 30px;
  width: 30px;
  height: 30px;
  border-radius: 9px;
  background: linear-gradient(135deg, #3D0A1E, #5E0F2A);
  color: var(--white);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 14px;
}

.page-faq .faq-q-text{
  font-weight: 800;
  font-size: 15px;
  line-height: 1.4;
  color: var(--faq-card-text);
  flex: 1;
}

.page-faq .faq-toggle{
  width: 20px;
  height: 20px;
  position: relative;
  flex: 0 0 20px;
}

.page-faq .faq-toggle::before,
.page-faq .faq-toggle::after{
  content: "";
  position: absolute;
  background: #3D0A1E;
  border-radius: 2px;
  transition: opacity .18s ease, transform .18s ease;
}

.page-faq .faq-toggle::before{
  width: 2px;
  height: 16px;
  top: 2px;
  left: 9px;
}

.page-faq .faq-toggle::after{
  width: 16px;
  height: 2px;
  top: 9px;
  left: 2px;
}

.page-faq .faq-card[open] .faq-toggle::before{
  opacity: 0;
}

.page-faq .faq-answer{
  padding: 0 18px 18px 62px;
  font-size: 14px;
  line-height: 1.75;
  color: #444444;
}

.page-faq .faq-answer p{
  margin: 0 0 8px;
}

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

/* ===== 手势区 ===== */
.page-faq .faq-gestures{
  background:
    radial-gradient(circle at 90% 10%, rgba(57, 255, 20, 0.06), transparent 32%),
    linear-gradient(180deg, #0B0C14 0%, #111930 100%);
  padding: 48px 0 56px;
  border-bottom: 1px solid rgba(57, 255, 20, 0.2);
}

.page-faq .faq-gestures .faq-section-head .kicker{
  color: var(--neon);
}

.page-faq .gesture-layout{
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.page-faq .gesture-grid{
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.page-faq .gesture-item:nth-child(5){
  grid-column: 1 / -1;
}

.page-faq .gesture-item{
  position: relative;
  background: var(--faq-neon-soft);
  border: 1px solid rgba(57, 255, 20, 0.18);
  border-radius: 16px;
  padding: 18px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-faq .gesture-code{
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--neon);
  opacity: 0.6;
  letter-spacing: 1px;
}

.page-faq .gesture-svg{
  width: 44px;
  height: 44px;
  color: var(--neon);
}

.page-faq .gesture-item h3{
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 800;
  margin: 0;
  color: var(--white);
}

.page-faq .gesture-item p{
  font-size: 13px;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.62);
  margin: 0;
}

.page-faq .gesture-device{
  border: 1px solid rgba(57, 255, 20, 0.25);
  border-radius: 16px;
  padding: 12px;
  margin: 0;
  background: rgba(57, 255, 20, 0.04);
  max-width: 300px;
  text-align: center;
  align-self: flex-start;
}

.page-faq .gesture-device img{
  display: block;
  width: 100%;
  height: auto;
  border-radius: 10px;
  background: #111930;
  object-fit: cover;
}

.page-faq .gesture-device figcaption{
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--neon);
  letter-spacing: 1px;
}

/* ===== 去逛逛区 ===== */
.page-faq .faq-browse{
  background:
    radial-gradient(circle at 82% 18%, rgba(140, 80, 255, 0.16), transparent 40%),
    linear-gradient(145deg, #1A1035 0%, #0B0C14 100%);
  padding: 48px 0 64px;
}

.page-faq .faq-browse .faq-section-head .kicker{
  color: var(--orange);
}

.page-faq .browse-grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-faq .browse-card{
  display: flex;
  flex-direction: column;
  background: var(--faq-card-surface);
  color: var(--faq-card-text);
  border-radius: 18px;
  padding: 24px 22px 22px;
  text-decoration: none;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(0, 229, 255, 0.12);
  box-shadow: var(--shadow-soft);
}

.page-faq .browse-card::after{
  content: "";
  position: absolute;
  right: 0;
  top: 0;
  border-left: 30px solid transparent;
  border-top: 30px solid rgba(0, 229, 255, 0.12);
}

.page-faq .browse-link{
  font-weight: 700;
  font-size: 14px;
  margin-top: 12px;
}

.page-faq .browse-card--tags{
  --browse-accent: #2F6B00;
}

.page-faq .browse-card--batch{
  --browse-accent: #A85500;
}

.page-faq .browse-card--help{
  --browse-accent: #B0003A;
}

.page-faq .browse-index{
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
  display: inline-block;
  width: fit-content;
  padding: 4px 10px;
  border-radius: 6px;
  margin-bottom: 12px;
}

.page-faq .browse-card--tags .browse-index{
  background: rgba(57, 255, 20, 0.14);
  color: #2F6B00;
}

.page-faq .browse-card--batch .browse-index{
  background: rgba(255, 140, 0, 0.16);
  color: #A85500;
}

.page-faq .browse-card--help .browse-index{
  background: rgba(255, 64, 129, 0.14);
  color: #B0003A;
}

.page-faq .browse-card h3{
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 900;
  margin: 0 0 8px;
  color: var(--faq-card-text);
}

.page-faq .browse-card p{
  font-size: 14px;
  line-height: 1.65;
  color: var(--faq-card-muted);
  margin: 0;
  flex: 1;
}

.page-faq .browse-link{
  color: var(--browse-accent);
}

.page-faq .browse-tags,
.page-faq .browse-batch,
.page-faq .browse-help{
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.page-faq .tag-chip{
  background: var(--lime);
  color: #1A1A1A;
  font-size: 12px;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 6px;
}

.page-faq .batch-chip{
  background: var(--orange);
  color: #1A1A1A;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 6px;
}

.page-faq .help-chip{
  background: var(--pink);
  color: #FFFFFF;
  font-size: 12px;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 6px;
}

/* ===== 悬停与动效 ===== */
@media (prefers-reduced-motion: no-preference){
  .page-faq .step-card,
  .page-faq .browse-card,
  .page-faq .gesture-item{
    transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
  }

  .page-faq .step-card:hover{
    transform: translateY(-3px);
    box-shadow: 0 14px 30px rgba(0, 0, 0, 0.3);
  }

  .page-faq .browse-card:hover{
    transform: translateY(-4px);
    box-shadow: 0 16px 36px rgba(0, 229, 255, 0.14);
  }

  .page-faq .gesture-item:hover{
    border-color: rgba(57, 255, 20, 0.45);
    transform: translateY(-2px);
  }

  .page-faq .faq-card[open] .faq-answer{
    animation: faq-answer-fade .24s ease;
  }
}

@keyframes faq-answer-fade{
  from{
    opacity: 0;
    transform: translateY(-4px);
  }
  to{
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== 响应式：平板 ===== */
@media (min-width: 640px){
  .page-faq .faq-hero-side{
    flex-wrap: nowrap;
  }

  .page-faq .hero-stat{
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    min-width: 90px;
  }

  .page-faq .hero-stat-label{
    border-left: none;
    padding-left: 0;
  }

  .page-faq .gesture-grid{
    grid-template-columns: repeat(3, 1fr);
  }

  .page-faq .gesture-item:nth-child(5){
    grid-column: auto;
  }

  .page-faq .step-device{
    align-self: center;
    width: 100%;
  }
}

/* ===== 响应式：桌面 ===== */
@media (min-width: 960px){
  .page-faq .faq-hero{
    padding: 56px 0 60px;
  }

  .page-faq .faq-hero-grid{
    flex-direction: row;
    align-items: center;
    gap: 48px;
  }

  .page-faq .faq-hero-copy{
    flex: 1.2;
  }

  .page-faq .faq-hero-side{
    flex: 0.8;
    flex-direction: column;
    gap: 12px;
  }

  .page-faq .hero-stat{
    width: 100%;
  }

  .page-faq .step-layout{
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 36px;
    align-items: center;
  }

  .page-faq .step-device{
    max-width: 320px;
  }

  .page-faq .step-track{
    flex-direction: row;
    gap: 0;
    align-items: stretch;
  }

  .page-faq .step-card{
    flex: 1;
    flex-direction: column;
    align-items: flex-start;
    min-height: 180px;
  }

  .page-faq .step-num{
    margin-bottom: 12px;
  }

  .page-faq .step-arrow{
    display: flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    flex: 0 0 26px;
    color: var(--accent);
    font-size: 22px;
    font-family: var(--font-mono);
  }

  .page-faq .faq-list{
    max-width: 960px;
    margin: 0 auto;
  }

  .page-faq .faq-card summary{
    padding: 18px 20px;
  }

  .page-faq .faq-answer{
    padding: 0 20px 20px 64px;
  }

  .page-faq .gesture-layout{
    flex-direction: row;
    gap: 36px;
    align-items: flex-start;
  }

  .page-faq .gesture-grid{
    flex: 2;
  }

  .page-faq .gesture-device{
    flex: 1;
    max-width: 260px;
    margin: 0;
  }

  .page-faq .browse-grid{
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
  }

  .page-faq .browse-card{
    padding: 26px 24px 24px;
  }
}