.page-faq{
  background:
    linear-gradient(180deg, var(--c-night) 0%, var(--c-pine) 46%, var(--c-night) 100%);
  color: var(--fg);
  font-family: var(--font-body);
  padding-bottom: clamp(48px, 7vw, 96px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero{
  position: relative;
  padding: clamp(24px, 4vw, 46px) 0 clamp(22px, 3.4vw, 40px);
  overflow: hidden;
}
.page-faq .faq-hero::before{
  content: "";
  position: absolute;
  top: -22%;
  right: -12%;
  width: min(560px, 74%);
  height: clamp(220px, 36vw, 400px);
  background: linear-gradient(135deg, rgba(41,224,208,.16), rgba(245,158,66,.10) 58%, rgba(41,224,208,0) 100%);
  clip-path: polygon(20% 0, 100% 0, 100% 100%, 0 76%);
  pointer-events: none;
}
.page-faq .faq-hero::after{
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, var(--c-cyan), rgba(41,224,208,0) 38%, var(--line) 100%);
}
.page-faq .faq-hero .section-label{
  position: relative;
  margin: 0 0 14px;
  color: var(--c-cyan);
}
.page-faq .faq-title{
  position: relative;
  margin: 0 0 16px;
  max-width: 17ch;
  font-family: var(--font-display);
  font-size: clamp(30px, 5.4vw, 54px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -.02em;
}
.page-faq .faq-lede{
  position: relative;
  margin: 0;
  max-width: 64ch;
  font-size: clamp(15px, 1.5vw, 16.5px);
  line-height: 1.78;
  color: var(--fg-dim);
}
.page-faq .hero-meta{
  position: relative;
  margin: 18px 0 0;
  font-size: 12.5px;
  letter-spacing: .1em;
  color: var(--c-steel);
}

/* ---------- 骨架：左索引 + 右内容 ---------- */
.page-faq .faq-shell{
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3vw, 40px);
  padding-top: clamp(24px, 3.4vw, 40px);
}

/* ---------- 左侧索引 ---------- */
.page-faq .faq-rail{
  border: 1px solid var(--line);
  background: rgba(14,42,38,.5);
  padding: 13px;
}
.page-faq .rail-title{
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .22em;
  color: var(--c-steel);
}
.page-faq .rail-list{
  list-style: none;
  margin: 11px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}
.page-faq .rail-link{
  display: flex;
  align-items: baseline;
  gap: 7px;
  padding: 7px 10px;
  border: 1px solid var(--line);
  color: var(--fg-dim);
  font-size: 13.5px;
  text-decoration: none;
  transition: color var(--t-fast), border-color var(--t-fast), background var(--t-fast);
}
.page-faq .rail-link .mono{
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--c-moss);
}
.page-faq .rail-link:hover,
.page-faq .rail-link:focus-visible{
  color: var(--c-cyan);
  border-color: var(--line-cyan);
  background: rgba(41,224,208,.08);
}
.page-faq .rail-link:hover .mono,
.page-faq .rail-link:focus-visible .mono{
  color: var(--c-cyan);
}

/* ---------- 内容区块 ---------- */
.page-faq .faq-block{
  border-top: 1px solid var(--line);
  padding-top: clamp(18px, 2.6vw, 28px);
  margin-bottom: clamp(34px, 4.6vw, 58px);
  scroll-margin-top: 112px;
}
.page-faq .faq-block:first-child{
  border-top-color: var(--line-cyan);
}
.page-faq .block-head{
  display: flex;
  align-items: baseline;
  gap: 13px;
  margin-bottom: 10px;
}
.page-faq .block-num{
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .2em;
  color: var(--c-cyan);
}
.page-faq .block-title{
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.7vw, 27px);
  font-weight: 800;
  line-height: 1.26;
  letter-spacing: -.01em;
}
.page-faq .block-note{
  margin: 0 0 18px;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--fg-faint);
}

/* ---------- 折叠问答 ---------- */
.page-faq .qa{
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(14,42,38,.78), rgba(11,27,43,.78));
  margin-bottom: 9px;
  transition: border-color var(--t-fast), background var(--t-fast);
}
.page-faq .qa:hover{
  border-color: rgba(41,224,208,.34);
}
.page-faq .qa[open]{
  border-color: var(--line-cyan);
  background: linear-gradient(180deg, rgba(14,42,38,.96), rgba(11,27,43,.9));
}
.page-faq .qa-summary{
  display: flex;
  align-items: flex-start;
  gap: 11px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--fg);
  transition: color var(--t-fast);
}
.page-faq .qa-summary::-webkit-details-marker{ display: none; }
.page-faq .qa-summary::after{
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1.2;
  color: var(--c-cyan);
}
.page-faq .qa[open] .qa-summary::after{
  content: "–";
  color: var(--c-amber);
}
.page-faq .qa-summary:hover{
  color: var(--c-cyan);
}
.page-faq .qa-num{
  flex: 0 0 auto;
  padding-top: 3px;
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--c-moss);
}
.page-faq .qa[open] .qa-num{
  color: var(--c-amber);
}
.page-faq .qa-body{
  margin: 0 16px;
  padding: 13px 0 16px;
  border-top: 1px solid var(--line-soft);
  font-size: 15px;
  line-height: 1.76;
  color: var(--fg-dim);
}
.page-faq .qa-body p{
  margin: 0 0 10px;
}
.page-faq .qa-body p:last-child{
  margin-bottom: 0;
}
.page-faq .qa-body a{
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-cyan);
  transition: color var(--t-fast), border-color var(--t-fast);
}
.page-faq .qa-body a:hover{
  color: var(--c-amber);
  border-color: var(--line-amber);
}

/* ---------- 步骤列表 ---------- */
.page-faq .step-list{
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}
.page-faq .step-item{
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 11px;
  border-left: 2px solid var(--line);
  background: rgba(58,68,72,.16);
  font-size: 14.5px;
  line-height: 1.65;
  transition: border-color var(--t-fast);
}
.page-faq .step-item:hover{
  border-left-color: var(--c-cyan);
}
.page-faq .step-key{
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--c-cyan);
}

/* ---------- 指标条 ---------- */
.page-faq .fact-strip{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(148px, 1fr));
  gap: 1px;
  margin-top: 18px;
  border: 1px solid var(--line);
  background: var(--line-soft);
}
.page-faq .fact{
  background: rgba(14,42,38,.72);
  padding: 14px;
}
.page-faq .fact-k{
  margin: 0;
  font-size: 21px;
  letter-spacing: -.01em;
  color: var(--c-amber);
}
.page-faq .fact-l{
  margin: 5px 0 0;
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--fg-faint);
}

/* ---------- 联赛标签 ---------- */
.page-faq .league-row{
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 13px;
}

/* ---------- 图 ---------- */
.page-faq .faq-figure{
  margin: 20px 0 0;
  border: 1px solid var(--line);
  background: var(--c-pine);
}
.page-faq .faq-figure img{
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}
.page-faq .faq-figure figcaption{
  padding: 9px 12px;
  border-top: 1px solid var(--line-soft);
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--fg-faint);
}

/* ---------- 联系面板 ---------- */
.page-faq .contact-panel{
  margin-top: 18px;
  border: 1px solid var(--line);
  background: linear-gradient(135deg, rgba(14,42,38,.92), rgba(11,27,43,.92));
  padding: clamp(15px, 2.4vw, 22px);
}
.page-faq .c-row{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line-soft);
}
.page-faq .c-row:first-child{
  padding-top: 0;
}
.page-faq .c-key{
  flex: 0 0 84px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--c-steel);
}
.page-faq .c-val{
  font-family: var(--font-mono);
  font-size: 14.5px;
  letter-spacing: .02em;
  color: var(--fg);
  word-break: break-all;
}
.page-faq .c-val--text{
  font-family: var(--font-body);
  font-size: 14.5px;
  line-height: 1.6;
}
.page-faq .c-row .copy-btn{
  margin-left: auto;
}
.page-faq .c-note{
  margin: 13px 0 0;
  font-size: 13.5px;
  line-height: 1.68;
  color: var(--fg-faint);
}
.page-faq .c-note a{
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-cyan);
  transition: color var(--t-fast), border-color var(--t-fast);
}
.page-faq .c-note a:hover{
  color: var(--c-amber);
  border-color: var(--line-amber);
}

/* ---------- 版本条目 ---------- */
.page-faq .ver-list{
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
}
.page-faq .ver-item{
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line-soft);
}
.page-faq .ver-item:first-child{
  border-top: 1px solid var(--line-soft);
}
.page-faq .ver-tag{
  flex: 0 0 66px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .12em;
  color: var(--c-amber);
}
.page-faq .ver-txt{
  flex: 1 1 240px;
  font-size: 14.5px;
  line-height: 1.68;
  color: var(--fg-dim);
}
.page-faq .ver-note{
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--fg-faint);
}
.page-faq .ver-note a{
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-cyan);
  transition: color var(--t-fast), border-color var(--t-fast);
}
.page-faq .ver-note a:hover{
  color: var(--c-amber);
  border-color: var(--line-amber);
}

/* ---------- 底部动作 ---------- */
.page-faq .faq-cta{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: clamp(18px, 2.6vw, 28px);
  border-top: 1px solid var(--line-cyan);
}

/* ---------- 中屏 ---------- */
@media (min-width: 720px){
  .page-faq .faq-block{
    padding-left: 0;
  }
  .page-faq .qa-summary{
    padding: 16px 20px;
    font-size: 16px;
  }
  .page-faq .qa-body{
    margin: 0 20px;
    padding: 15px 0 19px;
    font-size: 15.5px;
  }
  .page-faq .faq-figure{
    margin-top: 24px;
  }
}

/* ---------- 宽屏：左索引变纵列并吸顶 ---------- */
@media (min-width: 960px){
  .page-faq .faq-shell{
    grid-template-columns: 228px minmax(0, 1fr);
    align-items: start;
  }
  .page-faq .faq-rail{
    position: sticky;
    top: 104px;
    align-self: start;
    border: 0;
    background: transparent;
    padding: 0;
  }
  .page-faq .rail-list{
    display: block;
    margin-top: 13px;
    border-top: 1px solid var(--line);
  }
  .page-faq .rail-list li{
    margin: 0;
  }
  .page-faq .rail-link{
    border: 0;
    border-bottom: 1px solid var(--line-soft);
    border-left: 2px solid transparent;
    padding: 11px 11px;
    font-size: 14px;
  }
  .page-faq .rail-link:hover,
  .page-faq .rail-link:focus-visible{
    border-left-color: var(--c-cyan);
    background: rgba(41,224,208,.07);
  }
  .page-faq .faq-figure{
    margin-top: 26px;
  }
}
<<<END>>>