.page-faq{
  --faq-accent: var(--gold);
  --faq-node: var(--cyan);
  --rank-accent: var(--gold);
  display: block;
  color: var(--bone);
  background:
    radial-gradient(120% 55% at 100% 0%, rgba(232, 177, 90, .09), transparent 62%),
    radial-gradient(90% 45% at 0% 30%, rgba(110, 82, 168, .12), transparent 70%),
    var(--ink);
}

.page-faq .breadcrumb{
  max-width: var(--shell);
  margin: 0 auto;
  padding: 16px var(--gutter) 0;
  font-size: 13px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero{
  max-width: var(--shell);
  margin: 0 auto;
  padding: clamp(26px, 5vw, 54px) var(--gutter) clamp(34px, 6vw, 64px);
  display: grid;
  gap: clamp(24px, 4vw, 46px);
  align-items: center;
}

.page-faq .faq-hero h1{
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(31px, 6.4vw, 68px);
  line-height: 1.05;
  letter-spacing: -.03em;
  margin: 14px 0 0;
  color: var(--bone);
}

.page-faq .faq-hero h1 .hl{
  display: block;
  color: var(--gold);
  background: linear-gradient(100deg, var(--gold) 10%, var(--gold-lt) 92%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.page-faq .faq-hero__lede{
  margin: 20px 0 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--muted);
}

.page-faq .faq-hero__actions{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-faq .hero-facts{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-faq .hero-facts li{
  display: grid;
  gap: 4px;
  padding: 2px 0 2px 16px;
  border-left: 2px solid var(--gold);
  font-size: 14px;
  line-height: 1.6;
  color: var(--muted);
}

.page-faq .hero-facts__num{
  font-family: var(--font-mono);
  font-size: 28px;
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: .02em;
  color: var(--gold);
}

/* ---------- 章节骨架 ---------- */
.page-faq .section{
  max-width: var(--shell);
  margin: 0 auto;
  padding: clamp(38px, 6vw, 72px) var(--gutter);
}

.page-faq .section__head{
  display: grid;
  gap: 10px;
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-faq .section-no{
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .26em;
  color: var(--gold);
}

.page-faq .section__title{
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(26px, 4.4vw, 50px);
  line-height: 1.07;
  letter-spacing: -.02em;
  color: var(--bone);
}

.page-faq .section__lede{
  margin: 0;
  max-width: 64ch;
  font-size: 16px;
  line-height: 1.82;
  color: var(--muted);
}

/* ---------- 图形 ---------- */
.page-faq .faq-figure{
  margin: 0 0 clamp(20px, 3vw, 32px);
}

.page-faq .faq-figure img{
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  background: var(--panel);
  border: 1px solid var(--line-soft);
}

.page-faq .faq-figure figcaption{
  margin-top: 10px;
  padding-left: 12px;
  border-left: 2px solid var(--gold);
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 段位阶梯 ---------- */
.page-faq .rank-ladder{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .rank-step{
  --rank-accent: var(--gold);
  position: relative;
  padding: 18px 18px 20px;
  background: linear-gradient(150deg, var(--panel), var(--panel-2));
  border: 1px solid var(--line-soft);
  border-top: 2px solid var(--rank-accent);
}

.page-faq .rank-step--2{ --rank-accent: var(--gold-lt); }
.page-faq .rank-step--3{ --rank-accent: var(--cyan); }
.page-faq .rank-step--4{ --rank-accent: var(--cyan-dk); }
.page-faq .rank-step--5{ --rank-accent: var(--violet); }

.page-faq .rank-step__no{
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .22em;
  color: var(--rank-accent);
}

.page-faq .rank-step__title{
  margin: 10px 0 8px;
  font-size: 18px;
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: -.01em;
  color: var(--bone);
}

.page-faq .rank-step__text{
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
}

.page-faq .rank-step__meta{
  list-style: none;
  margin: 16px 0 0;
  padding: 12px 0 0;
  border-top: 1px dashed var(--line-soft);
  display: grid;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .02em;
  color: var(--muted);
}

.page-faq .rank-step__meta b{
  font-weight: 600;
  color: var(--rank-accent);
}

/* ---------- 十二步 ---------- */
.page-faq .faq-path{
  position: relative;
  max-width: none;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(110, 82, 168, .14), rgba(10, 12, 17, 0) 62%);
}

.page-faq .faq-path::before{
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 9px;
  background: linear-gradient(90deg, var(--gold), var(--violet) 55%, var(--cyan));
  clip-path: polygon(0 0, 100% 0, 100% 32%, 0 100%);
  opacity: .85;
  pointer-events: none;
}

.page-faq .faq-path > *{
  max-width: var(--shell);
  margin-left: auto;
  margin-right: auto;
}

.page-faq .step-rail{
  display: flex;
  overflow-x: auto;
  padding: 6px 2px 22px;
  -webkit-overflow-scrolling: touch;
}

.page-faq .step-node{
  position: relative;
  flex: 1 0 62px;
  min-width: 62px;
  display: grid;
  justify-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .04em;
  color: var(--cyan);
  text-align: center;
}

.page-faq .step-node::before{
  content: "";
  position: absolute;
  top: 13px;
  left: -50%;
  width: 100%;
  height: 1px;
  background: var(--line-cyan);
}

.page-faq .step-node:first-child::before{ display: none; }

.page-faq .step-node__dot{
  position: relative;
  z-index: 1;
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  background: var(--ink);
  border: 1px solid var(--cyan);
  font-size: 11px;
  color: var(--cyan);
}

.page-faq .step-list{
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-soft);
}

.page-faq .step-item{
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .step-item summary{
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 16px 4px;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--bone);
  transition: color .2s ease;
}

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

.page-faq .step-item summary:hover{ color: var(--gold); }

.page-faq .step-no{
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--gold);
}

.page-faq .step-toggle{
  margin-left: auto;
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--cyan);
}

.page-faq .step-toggle::after{ content: "＋"; }
.page-faq .step-item details[open] .step-toggle::after{ content: "－"; }

.page-faq .step-body{
  display: grid;
  gap: 12px;
  padding: 0 4px 22px 38px;
  background: linear-gradient(90deg, rgba(82, 199, 219, .05), transparent 70%);
}

.page-faq .step-body p{
  margin: 0;
  font-size: 15px;
  line-height: 1.82;
  color: var(--muted);
}

.page-faq .step-check{
  padding-left: 12px;
  border-left: 2px solid var(--neon);
  color: var(--bone) !important;
}

.page-faq .step-check span{
  margin-right: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--neon);
}

/* ---------- 失误清单 ---------- */
.page-faq .slip-list{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 20px 30px;
}

.page-faq .slip-item{
  padding: 2px 0 2px 16px;
  border-left: 2px solid var(--amber);
}

.page-faq .slip-item h3{
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 800;
  line-height: 1.45;
  color: var(--bone);
}

.page-faq .slip-item p{
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 进度与收藏 ---------- */
.page-faq .progress-grid{
  display: grid;
  gap: 16px;
}

.page-faq .progress-card{
  padding: 22px 22px 24px;
  background: var(--panel);
  border: 1px solid var(--line-soft);
  border-left: 2px solid var(--gold);
}

.page-faq .progress-card h3{
  margin: 0 0 10px;
  font-size: 18px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--bone);
}

.page-faq .progress-card p{
  margin: 0;
  font-size: 15px;
  line-height: 1.82;
  color: var(--muted);
}

.page-faq .route-map{
  margin-top: 20px;
  padding: 22px 20px 16px;
  border: 1px solid var(--line);
  background: linear-gradient(120deg, rgba(110, 82, 168, .18), rgba(10, 12, 17, 0) 72%), var(--panel-2);
}

.page-faq .route-map__title{
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .24em;
  color: var(--gold);
}

.page-faq .route-track{
  display: flex;
  overflow-x: auto;
  padding-bottom: 6px;
}

.page-faq .route-node{
  position: relative;
  flex: 1 0 106px;
  min-width: 106px;
  display: grid;
  gap: 6px;
  padding: 14px 12px 10px;
  border-top: 2px solid var(--cyan);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--muted);
}

.page-faq .route-node + .route-node{
  border-left: 1px solid var(--line-soft);
}

.page-faq .route-node b{
  font-size: 15px;
  font-weight: 800;
  color: var(--bone);
}

.page-faq .route-node span{
  color: var(--cyan);
}

/* ---------- 进入实战 ---------- */
.page-faq .next-grid{
  display: grid;
  gap: 14px;
}

.page-faq .next-link{
  display: block;
  padding: 20px 18px 18px;
  background: var(--panel);
  border: 1px solid var(--line-soft);
  border-top: 2px solid var(--gold);
  text-decoration: none;
  color: var(--bone);
  transition: border-color .25s ease, background-color .25s ease;
}

.page-faq .next-link:hover,
.page-faq .next-link:focus-visible{
  border-color: var(--gold);
  background: var(--panel-2);
}

.page-faq .next-link__title{
  display: block;
  font-size: 17px;
  font-weight: 800;
  line-height: 1.4;
}

.page-faq .next-link__text{
  display: block;
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .next-link__go{
  display: block;
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--cyan);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px){
  .page-faq .slip-list{
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-faq .next-grid{
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 820px){
  .page-faq .progress-grid{
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px){
  .page-faq .faq-hero{
    grid-template-columns: minmax(0, 1.6fr) minmax(232px, .8fr);
  }
  .page-faq .faq-hero h1 .hl{
    display: inline;
  }
  .page-faq .rank-ladder{
    grid-template-columns: repeat(5, minmax(0, 1fr));
    align-items: end;
    gap: 10px;
  }
  .page-faq .rank-step{
    display: flex;
    flex-direction: column;
  }
  .page-faq .rank-step:nth-child(1){ min-height: 214px; }
  .page-faq .rank-step:nth-child(2){ min-height: 246px; }
  .page-faq .rank-step:nth-child(3){ min-height: 278px; }
  .page-faq .rank-step:nth-child(4){ min-height: 310px; }
  .page-faq .rank-step:nth-child(5){ min-height: 342px; }
  .page-faq .rank-step__meta{ margin-top: auto; }
  .page-faq .step-body{
    padding-left: 52px;
  }
}

@media (min-width: 1100px){
  .page-faq .next-grid{
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 560px){
  .page-faq .faq-hero__actions .btn{
    flex: 1 1 100%;
    text-align: center;
  }
  .page-faq .step-item summary{
    font-size: 15px;
    gap: 10px;
  }
}

@media (prefers-reduced-motion: reduce){
  .page-faq *{
    transition: none !important;
    animation: none !important;
  }
}