.page-faq{
  --faq-line: rgba(192,196,200,0.26);
  --faq-line-strong: rgba(192,196,200,0.55);
  --faq-bg-deep: rgba(10,46,31,0.62);
  --faq-card-bg: linear-gradient(160deg, rgba(10,46,31,0.55), rgba(14,14,14,0.88));
  --faq-glow: rgba(242,92,5,0.14);
  max-width: 1200px;
  padding: 32px clamp(18px, 4vw, 48px) 88px;
  position: relative;
  background:
    radial-gradient(900px 420px at 88% 2%, rgba(242,92,5,0.05), transparent 62%),
    linear-gradient(180deg, rgba(10,46,31,0.38) 0%, rgba(14,14,14,0) 30%);
}

/* ========== 面包屑 ========== */
.page-faq .faq-crumb{
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-silver);
  margin-bottom: 22px;
  letter-spacing: .04em;
}
.page-faq .faq-crumb a{
  color: var(--color-silver);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--duration-fast) var(--ease-out), border-color var(--duration-fast) var(--ease-out);
}
.page-faq .faq-crumb a:hover{
  color: var(--color-accent);
  border-color: var(--color-accent);
}
.page-faq .faq-crumb-sep{
  color: rgba(192,196,200,0.5);
}
.page-faq .faq-crumb-current{
  color: var(--color-highlight);
}

/* ========== 标题区 ========== */
.page-faq .faq-hero{
  display: grid;
  gap: 24px;
  align-items: center;
  padding-bottom: 8px;
}
.page-faq .faq-eyebrow{
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .22em;
  color: var(--color-accent);
  text-transform: uppercase;
  margin-bottom: 10px;
}
.page-faq .faq-hero h1{
  font-family: var(--font-heading);
  font-size: clamp(28px, 5.2vw, 46px);
  line-height: 1.12;
  letter-spacing: .01em;
  color: var(--color-cream);
  margin: 0 0 16px;
  text-wrap: balance;
}
.page-faq .faq-lead{
  font-size: 16px;
  line-height: 1.75;
  color: var(--color-warmgray);
  max-width: 58ch;
  margin: 0;
}
.page-faq .faq-hero-meta{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}
.page-faq .faq-hero-meta li{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--color-silver);
  border: 1px solid var(--faq-line);
  border-left: 3px solid var(--color-accent);
  background: var(--faq-bg-deep);
  padding: 7px 12px;
}
.page-faq .faq-hero-figure{
  margin: 0;
}
.page-faq .faq-hero-figure img{
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--faq-line);
  background: linear-gradient(145deg, rgba(10,46,31,0.7), rgba(14,14,14,0.9));
  box-shadow: 0 18px 44px rgba(0,0,0,0.32);
}

/* ========== 快捷求助条 ========== */
.page-faq .faq-helpbar{
  display: grid;
  gap: 14px;
  margin: 28px 0 36px;
  padding: 20px;
  background: linear-gradient(135deg, rgba(10,46,31,0.92), rgba(14,14,14,0.98) 72%);
  border: 1px solid var(--faq-line);
  border-left: 4px solid var(--color-accent);
  box-shadow: 0 10px 32px rgba(0,0,0,0.22);
}
.page-faq .faq-help-item{
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--faq-line);
}
.page-faq .faq-help-label{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--color-silver);
  text-transform: uppercase;
}
.page-faq .faq-help-phone{
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  color: var(--color-highlight);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-out);
}
.page-faq .faq-help-phone:hover{
  color: var(--color-accent);
}
.page-faq .faq-help-mail{
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--color-cream);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--duration-fast) var(--ease-out), border-color var(--duration-fast) var(--ease-out);
  word-break: break-all;
}
.page-faq .faq-help-mail:hover{
  color: var(--color-accent);
  border-color: var(--color-accent);
}
.page-faq .faq-help-time{
  font-size: 15px;
  color: var(--color-warmgray);
}
.page-faq .faq-help-btn{
  justify-self: start;
  align-self: end;
}

/* ========== 分类导航 ========== */
.page-faq .faq-topic-nav{
  display: flex;
  gap: 10px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 8px;
  margin-bottom: 8px;
  scrollbar-width: thin;
  scrollbar-color: rgba(242,92,5,0.5) rgba(192,196,200,0.12);
}
.page-faq .faq-topic-link{
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border: 1px solid var(--faq-line);
  background: var(--faq-bg-deep);
  font-family: var(--font-heading);
  font-size: 14px;
  letter-spacing: .04em;
  color: var(--color-cream);
  text-decoration: none;
  transition: border-color var(--duration-fast) var(--ease-out), color var(--duration-fast) var(--ease-out), translate var(--duration-fast) var(--ease-out), box-shadow var(--duration-fast) var(--ease-out);
}
.page-faq .faq-topic-link:hover{
  border-color: var(--color-accent);
  color: var(--color-accent);
  translate: 0 -2px;
  box-shadow: 0 8px 20px rgba(0,0,0,0.24);
}
.page-faq .faq-topic-index{
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--color-accent);
}
.page-faq .faq-topic-name{
  white-space: nowrap;
}

/* ========== 区块 ========== */
.page-faq .faq-section{
  margin-top: 44px;
  padding-top: 26px;
  border-top: 1px solid var(--faq-line);
  scroll-margin-top: 84px;
  scroll-snap-margin-top: 84px;
}
.page-faq .faq-section-head{
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 20px;
  transition: border-color var(--duration-fast) var(--ease-out);
}
.page-faq .faq-section:target .faq-section-head{
  border-left: 3px solid var(--color-accent);
  padding-left: 16px;
}
.page-faq .faq-section-index{
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 700;
  line-height: 1;
  color: var(--color-accent);
  padding-top: 2px;
}
.page-faq .faq-section-copy{
  min-width: 0;
}
.page-faq .faq-h2{
  font-family: var(--font-heading);
  font-size: 24px;
  letter-spacing: .03em;
  line-height: 1.2;
  color: var(--color-cream);
  margin: 0;
}
.page-faq .faq-section-sub{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--color-silver);
  margin: 6px 0 0;
}

/* ========== 手风琴 ========== */
.page-faq .faq-accordion-list{
  display: grid;
  gap: 14px;
}
.page-faq .faq-accordion{
  border: 1px solid var(--faq-line);
  background: var(--faq-card-bg);
  transition: border-color var(--duration-medium) var(--ease-out), box-shadow var(--duration-medium) var(--ease-out);
}
.page-faq .faq-accordion[open]{
  border-color: rgba(242,92,5,0.56);
  box-shadow: 0 12px 34px rgba(0,0,0,0.32), 0 0 0 1px rgba(242,92,5,0.08);
}
.page-faq .faq-question{
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 20px;
  cursor: pointer;
  list-style: none;
}
.page-faq .faq-question::-webkit-details-marker{
  display: none;
}
.page-faq .faq-question::after{
  content: "+";
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 400;
  line-height: 1;
  margin-left: auto;
  flex: 0 0 auto;
  color: var(--color-silver);
  transition: color var(--duration-fast) var(--ease-out), rotate var(--duration-fast) var(--ease-out);
}
.page-faq .faq-accordion[open] .faq-question::after{
  content: "−";
  color: var(--color-accent);
  rotate: 90deg;
}
.page-faq .faq-question:focus-visible{
  outline: 2px solid var(--color-accent);
  outline-offset: -2px;
}
.page-faq .faq-q-mark{
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--color-accent);
  background: rgba(242,92,5,0.12);
  border: 1px solid rgba(242,92,5,0.38);
  padding: 3px 7px;
  flex: 0 0 auto;
}
.page-faq .faq-q-title{
  font-family: var(--font-heading);
  font-size: 16px;
  line-height: 1.45;
  letter-spacing: .02em;
  color: var(--color-cream);
  min-width: 0;
}
.page-faq .faq-answer{
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--duration-medium) var(--ease-out);
}
.page-faq .faq-accordion[open] .faq-answer{
  grid-template-rows: 1fr;
}
.page-faq .faq-answer-inner{
  overflow: hidden;
  min-height: 0;
  padding: 0 20px 20px;
}
.page-faq .faq-answer-inner p{
  font-size: 15px;
  line-height: 1.75;
  color: var(--color-warmgray);
  margin: 0 0 12px;
}
.page-faq .faq-answer-inner p:last-child{
  margin-bottom: 0;
}
.page-faq .faq-answer-note{
  border-left: 3px solid var(--color-highlight);
  background: rgba(242,193,78,0.07);
  padding: 10px 14px;
  font-size: 14px;
  color: var(--color-cream);
  margin-top: 12px;
}

/* ========== 答案内图片 ========== */
.page-faq .faq-answer-figure{
  margin: 16px auto 0;
  max-width: 280px;
  border: 1px solid var(--faq-line);
  background: rgba(14,14,14,0.72);
  padding: 10px 10px 6px;
}
.page-faq .faq-answer-figure img{
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid rgba(192,196,200,0.18);
  background: #0E0E0E;
}
.page-faq .faq-answer-figure figcaption{
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.5;
  color: var(--color-silver);
  padding: 8px 2px 2px;
  letter-spacing: .04em;
}

/* ========== 延伸阅读 ========== */
.page-faq .faq-extend{
  margin-top: 56px;
  padding-top: 30px;
  border-top: 1px solid var(--faq-line);
}
.page-faq .faq-extend-head{
  margin-bottom: 18px;
}
.page-faq .faq-extend-grid{
  display: grid;
  gap: 14px;
  margin-top: 12px;
}
.page-faq .faq-extend-card{
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 20px 20px 22px;
  background: var(--faq-bg-deep);
  border: 1px solid var(--faq-line);
  text-decoration: none;
  overflow: hidden;
  transition: border-color var(--duration-fast) var(--ease-out), translate var(--duration-fast) var(--ease-out), box-shadow var(--duration-fast) var(--ease-out);
}
.page-faq .faq-extend-card::before{
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--color-accent);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform var(--duration-fast) var(--ease-out);
}
.page-faq .faq-extend-card:hover{
  border-color: rgba(242,92,5,0.5);
  translate: 0 -3px;
  box-shadow: 0 14px 30px rgba(0,0,0,0.26);
}
.page-faq .faq-extend-card:hover::before{
  transform: scaleY(1);
}
.page-faq .faq-extend-tag{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--color-accent);
}
.page-faq .faq-extend-title{
  font-family: var(--font-heading);
  font-size: 17px;
  line-height: 1.35;
  color: var(--color-cream);
}
.page-faq .faq-extend-desc{
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-warmgray);
}
.page-faq .faq-extend-more{
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-highlight);
  margin-top: 4px;
}

/* ========== 平板 ========== */
@media (min-width: 768px){
  .page-faq .faq-helpbar{
    grid-template-columns: repeat(2, minmax(0,1fr));
    gap: 18px 28px;
  }
  .page-faq .faq-help-item{
    padding-bottom: 0;
    border-bottom: none;
  }
  .page-faq .faq-extend-grid{
    grid-template-columns: repeat(2, minmax(0,1fr));
  }
  .page-faq .faq-answer-inner{
    padding: 0 26px 24px 72px;
  }
  .page-faq .faq-q-title{
    font-size: 17px;
  }
}

/* ========== 桌面 ========== */
@media (min-width: 1024px){
  .page-faq{
    padding-top: 44px;
  }
  .page-faq .faq-hero{
    grid-template-columns: minmax(0,1.08fr) minmax(0,0.92fr);
    gap: 36px;
  }
  .page-faq .faq-hero-figure img{
    min-height: 300px;
    object-fit: cover;
  }
  .page-faq .faq-helpbar{
    grid-template-columns: minmax(0,1.2fr) minmax(0,1.6fr) minmax(0,1fr) auto;
    align-items: center;
    gap: 26px;
    padding: 22px 26px;
  }
  .page-faq .faq-help-btn{
    justify-self: end;
    align-self: center;
  }
  .page-faq .faq-topic-nav{
    display: grid;
    grid-template-columns: repeat(5, minmax(0,1fr));
    gap: 12px;
    overflow-x: visible;
    padding-bottom: 0;
    margin-bottom: 4px;
  }
  .page-faq .faq-topic-link{
    justify-content: center;
    padding: 14px 16px;
    font-size: 15px;
  }
  .page-faq .faq-section{
    margin-top: 52px;
    padding-top: 30px;
  }
  .page-faq .faq-h2{
    font-size: 28px;
  }
  .page-faq .faq-section-sub{
    font-size: 13px;
  }
  .page-faq .faq-accordion-list{
    gap: 16px;
  }
  .page-faq .faq-question{
    padding: 22px 24px;
  }
  .page-faq .faq-q-title{
    font-size: 18px;
  }
  .page-faq .faq-answer-inner p{
    font-size: 15.5px;
  }
  .page-faq .faq-extend-grid{
    grid-template-columns: repeat(4, minmax(0,1fr));
  }
  .page-faq .faq-extend-card{
    padding: 22px 22px 22px 24px;
  }
}