.page-faq{
  --faq-muted:#5d7268;
  --faq-body:#31403a;
  --faq-cyan-line:rgba(57,242,208,.32);
}

.page-faq .faq-crumb{
  padding-top:clamp(14px,3vw,26px);
}

.page-faq .faq-hero{
  padding-top:clamp(10px,2vw,18px);
  padding-bottom:clamp(22px,4vw,38px);
}

.page-faq .faq-hero__inner{
  max-width:820px;
}

.page-faq .faq-hero h1{
  margin:12px 0 16px;
  font-family:var(--font-display);
  font-size:clamp(27px,5.4vw,48px);
  line-height:1.14;
  font-weight:800;
  letter-spacing:-.015em;
  color:var(--text);
}

.page-faq .faq-hero .lede{
  max-width:64ch;
  font-size:clamp(14.5px,1.6vw,16.5px);
  line-height:1.8;
}

.page-faq .faq-ctx{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-top:6px;
  padding:6px 13px;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  background:var(--paper-2);
  color:var(--pine);
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.04em;
}

.page-faq .faq-ctx__dot{
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--cyan);
  box-shadow:0 0 0 3px rgba(57,242,208,.22);
}

/* 五步路径面板 */
.page-faq .steps{
  position:relative;
  overflow:hidden;
  padding:clamp(20px,3.4vw,36px);
  border-radius:var(--r-md);
  background:var(--ink);
  box-shadow:var(--shadow-soft);
}

.page-faq .steps::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    linear-gradient(180deg,rgba(57,242,208,.12),transparent 42%),
    repeating-linear-gradient(90deg,rgba(168,245,232,.055) 0 1px,transparent 1px 68px);
  pointer-events:none;
}

.page-faq .steps__head{
  position:relative;
  margin-bottom:clamp(16px,2.6vw,26px);
}

.page-faq .steps h2{
  margin:0 0 6px;
  font-family:var(--font-display);
  font-size:clamp(19px,3.2vw,26px);
  line-height:1.3;
  color:var(--paper);
}

.page-faq .steps__note{
  margin:0;
  font-size:12.5px;
  line-height:1.6;
  color:rgba(168,245,232,.76);
}

.page-faq .steps__list{
  position:relative;
  margin:0;
  padding:0;
  list-style:none;
  display:grid;
  gap:16px;
}

.page-faq .step{
  position:relative;
  display:grid;
  gap:6px;
  text-decoration:none;
  color:var(--cyan-soft);
  transition:transform .2s var(--ease);
}

.page-faq .step__no{
  position:relative;
  z-index:1;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:34px;
  height:34px;
  border:1px solid rgba(57,242,208,.5);
  border-radius:var(--r-pill);
  background:var(--ink-2);
  font-family:var(--font-mono);
  font-size:12px;
  color:var(--cyan);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}

.page-faq .step__t{
  font-size:15px;
  font-weight:700;
  color:var(--paper);
  letter-spacing:.01em;
}

.page-faq .step__d{
  font-size:12.5px;
  line-height:1.68;
  color:rgba(168,245,232,.78);
}

.page-faq .step:hover{
  transform:translateY(-2px);
}

.page-faq .step:hover .step__no{
  border-color:var(--cyan);
  box-shadow:0 0 0 4px rgba(57,242,208,.14);
}

.page-faq .step:focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:6px;
  border-radius:var(--r-sm);
}

@media (min-width:860px){
  .page-faq .steps__list{
    grid-template-columns:repeat(5,minmax(0,1fr));
    gap:18px;
  }

  .page-faq .steps__list::before{
    content:"";
    position:absolute;
    left:16px;
    right:16px;
    top:17px;
    height:1px;
    background:linear-gradient(90deg,rgba(57,242,208,.6),rgba(57,242,208,.12));
  }
}

/* 图片 */
.page-faq .faq-figure{
  margin:clamp(18px,3vw,28px) 0 0;
}

.page-faq .faq-figure .media-frame__img{
  display:block;
  width:100%;
  height:auto;
  max-width:100%;
  border:1px solid var(--line-soft);
  border-radius:var(--r-md);
  background:var(--ink-2);
  object-fit:cover;
}

.page-faq .faq-figure .media-frame__cap{
  margin-top:8px;
  font-family:var(--font-mono);
  font-size:11.5px;
  line-height:1.6;
  color:var(--faq-muted);
}

.page-faq .faq-figure--lead{
  margin:0 0 clamp(20px,3vw,30px);
}

/* 主体分栏 */
.page-faq .faq-layout{
  display:grid;
  grid-template-columns:1fr;
  gap:clamp(22px,3vw,36px);
}

.page-faq .faq-toc{
  padding:16px 16px 14px;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  background:var(--paper);
}

.page-faq .faq-toc__title{
  margin:0 0 10px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--pine);
}

.page-faq .faq-toc__list{
  margin:0;
  padding:0;
  list-style:none;
  display:grid;
  gap:2px;
}

.page-faq .faq-toc__list a{
  display:flex;
  gap:10px;
  align-items:baseline;
  padding:7px 8px;
  border-radius:var(--r-sm);
  text-decoration:none;
  color:var(--text);
  font-size:13.5px;
  line-height:1.5;
  transition:background .18s var(--ease),color .18s var(--ease);
}

.page-faq .faq-toc__list a span{
  font-family:var(--font-mono);
  font-size:11px;
  color:var(--faq-muted);
}

.page-faq .faq-toc__list a:hover{
  background:var(--paper-2);
  color:var(--pine);
}

.page-faq .faq-toc__list a:hover span{
  color:var(--pine);
}

.page-faq .faq-toc__hint{
  margin:12px 0 0;
  font-size:11.5px;
  line-height:1.65;
  color:var(--faq-muted);
}

@media (min-width:900px){
  .page-faq .faq-layout{
    grid-template-columns:236px minmax(0,1fr);
    align-items:start;
  }

  .page-faq .faq-toc{
    position:sticky;
    top:92px;
  }
}

/* 问题组 */
.page-faq .faq-group{
  margin-bottom:clamp(26px,4vw,42px);
}

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

.page-faq .faq-group__head{
  display:flex;
  align-items:baseline;
  gap:12px;
  padding-bottom:10px;
  border-bottom:1px solid var(--line);
}

.page-faq .faq-group__no{
  flex:none;
  padding:3px 9px;
  border-radius:var(--r-pill);
  background:var(--ink);
  color:var(--cyan);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.1em;
}

.page-faq .faq-group h2{
  margin:0;
  font-family:var(--font-display);
  font-size:clamp(18px,2.8vw,23px);
  line-height:1.35;
  color:var(--text);
}

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

.page-faq .qa summary{
  display:flex;
  gap:12px;
  align-items:flex-start;
  padding:15px 4px;
  list-style:none;
  cursor:pointer;
  font-size:15.5px;
  font-weight:600;
  line-height:1.55;
  color:var(--text);
  transition:color .18s var(--ease);
}

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

.page-faq .qa summary::after{
  content:"+";
  margin-left:auto;
  flex:none;
  font-family:var(--font-mono);
  font-size:17px;
  line-height:1.35;
  color:var(--pine);
}

.page-faq .qa[open] summary::after{
  content:"–";
}

.page-faq .qa summary:hover{
  color:var(--pine);
}

.page-faq .qa summary:focus-visible{
  outline:2px solid var(--focus);
  outline-offset:2px;
  border-radius:var(--r-sm);
}

.page-faq .qa__body{
  padding:0 4px 18px;
}

.page-faq .qa__body p{
  margin:0 0 10px;
  font-size:14.5px;
  line-height:1.8;
  color:var(--faq-body);
}

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

.page-faq .qa__body a{
  color:var(--pine);
  text-decoration:underline;
  text-underline-offset:3px;
}

.page-faq .qa__body a:hover{
  color:var(--ink);
}

/* 关键数字与牌面标签 */
.page-faq .k{
  display:inline-block;
  padding:1px 6px;
  border-radius:5px;
  background:var(--amber);
  color:var(--ink);
  font-family:var(--font-mono);
  font-size:.86em;
  font-weight:600;
}

.page-faq .flag{
  display:inline-block;
  width:9px;
  height:12px;
  margin:0 4px 0 1px;
  border-radius:2px;
  vertical-align:-1px;
}

.page-faq .flag--red{
  background:var(--red);
}

.page-faq .flag--yellow{
  background:var(--yellow);
}

/* 联系面板 */
.page-faq .faq-contact-section{
  padding-top:0;
}

.page-faq .faq-contact{
  display:grid;
  grid-template-columns:1fr;
  gap:clamp(18px,3vw,30px);
  padding:clamp(22px,3.6vw,38px);
  border-radius:var(--r-md);
  background:var(--ink);
  box-shadow:var(--shadow-soft);
  color:var(--cyan-soft);
}

.page-faq .faq-contact h2{
  margin:0 0 10px;
  font-family:var(--font-display);
  font-size:clamp(20px,3.2vw,27px);
  line-height:1.3;
  color:var(--paper);
}

.page-faq .faq-contact__lede{
  margin:0 0 16px;
  font-size:14px;
  line-height:1.78;
  color:rgba(168,245,232,.82);
  max-width:46ch;
}

.page-faq .faq-contact__list{
  margin:0;
  padding:0;
  list-style:none;
  display:grid;
  gap:12px;
  align-content:start;
}

.page-faq .faq-contact__item{
  padding-top:12px;
  border-top:1px solid var(--line-dark);
}

.page-faq .faq-contact__label{
  display:block;
  margin-bottom:4px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.08em;
  color:rgba(168,245,232,.62);
}

.page-faq .faq-contact__value{
  display:block;
  font-family:var(--font-mono);
  font-size:14.5px;
  line-height:1.5;
  color:var(--cyan-soft);
  word-break:break-word;
}

.page-faq .faq-copy{
  margin-top:8px;
  padding:5px 13px;
  border:1px solid rgba(168,245,232,.34);
  border-radius:var(--r-pill);
  background:transparent;
  color:var(--cyan-soft);
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.04em;
  cursor:pointer;
  transition:border-color .18s var(--ease),color .18s var(--ease),background .18s var(--ease);
}

.page-faq .faq-copy:hover{
  border-color:var(--cyan);
  color:var(--cyan);
  background:rgba(57,242,208,.08);
}

.page-faq .faq-copy:focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:2px;
}

.page-faq .faq-copy.is-copied{
  border-color:var(--amber);
  color:var(--amber);
}

@media (min-width:800px){
  .page-faq .faq-contact{
    grid-template-columns:1.05fr .95fr;
    align-items:start;
  }
}

@media (prefers-reduced-motion:reduce){
  .page-faq .step,
  .page-faq .step__no,
  .page-faq .qa summary,
  .page-faq .faq-copy,
  .page-faq .faq-toc__list a{
    transition:none;
  }

  .page-faq .step:hover{
    transform:none;
  }
}