.page-faq{
  --faq-dir-w: 16rem;
  --faq-paper: #FBF7F0;
  --faq-clay-soft: #C4684E;
  --faq-clay-deep: #A84A2F;
  --faq-dir-bg: #26221F;
  background: var(--color-canvas);
}

/* ===== Hero 首屏拼贴 ===== */
.page-faq__hero{
  position: relative;
  padding: clamp(1rem, 4vw, 2.5rem) 0 0;
}
.page-faq__hero-track{
  position: absolute;
  inset: 0;
  overflow: hidden;
}
.page-faq__hero-track::after{
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(47,44,41,0.72) 0%, rgba(47,44,41,0.32) 55%, rgba(47,44,41,0.2) 100%);
}
.page-faq__hero-img{
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-faq__hero-body{
  position: relative;
  z-index: 2;
  background: var(--glass-bg);
  backdrop-filter: blur(2px);
  border: 1px solid var(--line-light);
  border-radius: var(--radius);
  padding: clamp(1.25rem, 4vw, 2.5rem);
}
.page-faq__title{
  margin: 1rem 0 0;
  font: 900 var(--fs-display)/1.1 var(--font-sans);
  letter-spacing: -0.02em;
  color: var(--color-ink);
  max-width: 18em;
}
.page-faq__lead{
  margin-top: 1rem;
  font-size: var(--fs-lead);
  line-height: 1.7;
  color: #4D4945;
  max-width: 42em;
}
.page-faq__stats{
  display: flex;
  flex-wrap: wrap;
  gap: clamp(0.75rem, 2vw, 1.5rem);
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
}
.page-faq .breadcrumbs{
  margin: 0;
  padding: 0;
  font-size: 0.875rem;
}
.page-faq .breadcrumbs a{
  color: var(--color-volt);
  text-decoration: none;
}
.page-faq .breadcrumbs a:hover{
  color: var(--color-arena);
}
.page-faq .breadcrumbs span[aria-current="page"]{
  color: var(--color-ink);
  font-weight: 600;
}
.page-faq .breadcrumbs__sep{
  margin: 0 0.5rem;
  color: var(--color-rock);
}

/* ===== 两栏不对称布局 ===== */
.page-faq__layout{
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 5vw, 3rem);
  padding-block: clamp(1.5rem, 6vw, 4rem);
}
@media (min-width: 64rem){
  .page-faq__layout{
    grid-template-columns: var(--faq-dir-w) minmax(0, 1fr);
    align-items: start;
  }
}

/* ===== 左侧目录：命令栏式 ===== */
.page-faq__dir-sticky{
  background: var(--faq-dir-bg);
  color: var(--color-canvas);
  border-radius: var(--radius);
  padding: 1.25rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
}
.page-faq__dir-title{
  font: 700 0.8125rem/1 var(--font-sans);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(244,239,232,0.6);
  margin-right: auto;
}
.page-faq__dir-list{
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  scrollbar-width: none;
  width: 100%;
}
.page-faq__dir-list::-webkit-scrollbar{
  display: none;
}
.page-faq .filter-btn{
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 0.8rem;
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent;
  color: var(--color-canvas);
  font: 500 0.875rem/1.2 var(--font-sans);
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
}
.page-faq .filter-btn:hover{
  border-color: rgba(200,255,0,0.45);
  color: #fff;
}
.page-faq .filter-btn.is-active{
  background: rgba(200,255,0,0.14);
  border-color: var(--color-neon);
  color: #fff;
}
.page-faq__dir-name{
  flex: 0 1 auto;
}
.page-faq__dir-count{
  margin-left: auto;
  background: rgba(244,239,232,0.16);
  border-radius: 999px;
  padding: 0.1rem 0.5rem;
  font: 700 0.75rem/1.4 var(--font-num);
  color: var(--color-canvas);
}
.page-faq__dir-dot{
  width: 0.5rem;
  height: 0.5rem;
  flex: 0 0 auto;
  border-radius: 999px;
  background: var(--color-arena);
  box-shadow: 0 0 0 3px rgba(230,49,37,0.18);
  animation: faq-blink 2.4s infinite;
}
.page-faq__dir-dot--volt{
  background: var(--color-volt);
  box-shadow: 0 0 0 3px rgba(0,98,255,0.18);
  animation-duration: 2.8s;
}
.page-faq__dir-dot--moss{
  background: var(--color-moss);
  box-shadow: 0 0 0 3px rgba(107,124,103,0.22);
  animation-duration: 3s;
}
.page-faq__dir-dot--sand{
  background: var(--color-sand);
  box-shadow: 0 0 0 3px rgba(216,162,65,0.2);
  animation-duration: 2.6s;
}
.page-faq__dir-dot--arena{
  background: var(--color-neon);
  box-shadow: 0 0 0 3px rgba(200,255,0,0.18);
  animation-duration: 2s;
}
@keyframes faq-blink{
  0%, 100%{ opacity: 1; }
  50%{ opacity: 0.4; }
}
.page-faq__dir-contact{
  width: 100%;
  justify-content: center;
}
.page-faq__dir-top{
  font-size: 0.8125rem;
  color: rgba(244,239,232,0.7);
  text-decoration: none;
  margin-left: auto;
}
.page-faq__dir-top:hover{
  color: var(--color-neon);
}
.page-faq__dir-line{
  display: none;
  width: 100%;
  height: auto;
  margin-top: 1rem;
  opacity: 0.75;
}
@media (min-width: 64rem){
  .page-faq__dir-sticky{
    position: sticky;
    top: 1rem;
    flex-direction: column;
    align-items: stretch;
  }
  .page-faq__dir-list{
    flex-direction: column;
    width: auto;
  }
  .page-faq__dir-contact{
    width: 100%;
  }
  .page-faq__dir-top{
    text-align: center;
    margin: 0;
  }
  .page-faq__dir-line{
    display: block;
  }
}

/* ===== 章节头 ===== */
.page-faq .section-head{
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line-light);
}
.page-faq .section-index{
  font: 900 2rem/1 var(--font-num);
  color: rgba(230,49,37,0.75);
  flex: 0 0 auto;
  width: 2.5rem;
}
.page-faq .section-title{
  font: 900 var(--fs-title)/1.2 var(--font-sans);
  color: var(--color-ink);
  margin: 0;
}
.page-faq .section-desc{
  margin: 0.4rem 0 0;
  color: #5C5854;
  font-size: 0.9375rem;
  line-height: 1.7;
}
@media (min-width: 48rem){
  .page-faq .section-index{
    font-size: clamp(2.5rem, 5vw, 4rem);
    width: auto;
  }
}

/* ===== 重登流程图 ===== */
.page-faq__flow{
  margin: 0 0 1.5rem;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--color-rock);
}
.page-faq__flow img{
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-faq__flow-caption{
  padding: 0.65rem 1rem;
  font: 500 0.8125rem/1.5 var(--font-sans);
  color: var(--color-ink);
  background: var(--color-canvas);
  border-top: 1px solid var(--line-light);
}

/* ===== FAQ 手风琴 ===== */
.page-faq__qa-list{
  display: grid;
  gap: 1rem;
}
.page-faq__section + .page-faq__section{
  margin-top: clamp(2.25rem, 6vw, 4rem);
}

.page-faq__qa{
  background: var(--color-canvas);
  border: 1px solid var(--line-light);
  border-left: 4px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: background 0.25s, border-color 0.25s, box-shadow 0.25s;
}
.page-faq__qa:hover{
  border-color: rgba(138,134,127,0.6);
}
.page-faq__qa[open]{
  background: linear-gradient(135deg, var(--faq-clay-soft), var(--color-clay) 62%, var(--faq-clay-deep));
  border-color: transparent;
  border-left-color: var(--color-neon);
  box-shadow: var(--shadow-card);
}

.page-faq__qa summary{
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  cursor: pointer;
}
.page-faq__qa summary::-webkit-details-marker{
  display: none;
}
.page-faq__qa summary::after{
  content: "+";
  flex: 0 0 auto;
  font: 700 1.35rem/1 var(--font-num);
  color: var(--color-ink);
  transition: transform 0.2s;
}
.page-faq__qa[open] summary::after{
  content: "\2212";
  color: var(--color-ink);
}
.page-faq__qa-index{
  font: 700 0.875rem/1.6 var(--font-num);
  color: var(--color-ink);
  background: rgba(47,44,41,0.08);
  border-radius: 999px;
  padding: 0 0.5rem;
  flex: 0 0 auto;
}
.page-faq__qa[open] .page-faq__qa-index{
  background: var(--color-neon);
  color: var(--color-ink);
}
.page-faq__qa-title{
  flex: 1 1 auto;
  font-weight: 600;
  font-size: 0.9375rem;
  line-height: 1.5;
  color: var(--color-ink);
}
.page-faq__qa-tag{
  flex: 0 0 auto;
}
.page-faq__qa[open] .tag{
  background: rgba(47,44,41,0.16);
  color: var(--color-ink);
}

.page-faq__qa-body{
  margin: 0 1rem 1rem;
  padding: 1rem 1.1rem 1.1rem;
  background: var(--faq-paper);
  border-radius: calc(var(--radius) - 4px);
  color: var(--color-ink);
  font-size: 0.9375rem;
  line-height: 1.7;
}
.page-faq__qa-body p{
  margin: 0 0 0.75rem;
}
.page-faq__qa-body p:last-child{
  margin-bottom: 0;
}
.page-faq__qa-body .page-faq__steps + p{
  margin-top: 0.75rem;
}
@media (min-width: 64rem){
  .page-faq__qa-body{
    font-size: 1rem;
  }
}

.page-faq__steps{
  counter-reset: faq-step;
  list-style: none;
  padding: 0;
  margin: 0.75rem 0 0;
  display: grid;
  gap: 0.5rem;
}
.page-faq__steps li{
  position: relative;
  padding-left: 2.2rem;
  counter-increment: faq-step;
  font-size: 0.875rem;
  line-height: 1.6;
}
.page-faq__steps li::before{
  content: counter(faq-step);
  position: absolute;
  left: 0;
  top: 0.15rem;
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 999px;
  background: var(--color-volt);
  color: #fff;
  font: 700 0.8125rem/1.5rem var(--font-num);
  text-align: center;
}

.page-faq__qa-link{
  display: inline-block;
  margin-top: 0.75rem;
  color: var(--color-volt);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px dashed rgba(0,98,255,0.5);
}
.page-faq__qa-link:hover{
  color: var(--color-arena);
  border-bottom-color: var(--color-arena);
}

/* ===== 未解决问题入口 ===== */
.page-faq__unresolved{
  position: relative;
  overflow: hidden;
  margin-top: clamp(2.25rem, 6vw, 4rem);
  padding: clamp(1.25rem, 4vw, 2.5rem);
  background: linear-gradient(135deg, #26221F 0%, #2F2C29 55%, #3A3632 100%);
  border-radius: var(--radius);
  color: var(--color-canvas);
}
.page-faq__unresolved::before{
  content: "06";
  position: absolute;
  right: 1rem;
  top: 0.2rem;
  font: 900 5rem/1 var(--font-num);
  color: rgba(200,255,0,0.12);
  pointer-events: none;
}
.page-faq__unresolved .section-head{
  border-bottom-color: rgba(244,239,232,0.18);
  margin-bottom: 1.25rem;
}
.page-faq__unresolved .section-title{
  color: var(--color-canvas);
}
.page-faq__unresolved .section-desc{
  color: #C9C2B9;
}
.page-faq__unresolved .section-index{
  color: rgba(200,255,0,0.5);
}
.page-faq__unresolved-card{
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  align-items: center;
  margin-top: 1.25rem;
  padding: 1.25rem;
  background: var(--color-canvas);
  border-radius: var(--radius);
  position: relative;
  z-index: 1;
}
.page-faq__unresolved-cell{
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}
.page-faq__unresolved-cell strong{
  color: var(--color-ink);
  font-size: 1rem;
}
.page-faq__unresolved-label{
  font: 700 0.75rem/1 var(--font-sans);
  color: var(--color-rock);
  letter-spacing: 0.06em;
}
.page-faq__unresolved-hint{
  font-size: 0.75rem;
  color: #5C5854;
}
.page-faq__unresolved-btn{
  margin-left: auto;
}

@media (max-width: 47.9375rem){
  .page-faq__unresolved-card{
    flex-direction: column;
    align-items: flex-start;
  }
  .page-faq__unresolved-btn{
    width: 100%;
    justify-content: center;
    margin-left: 0;
  }
}