.page-faq{
  --faq-rule: rgba(62, 92, 70, 0.62);
  --faq-rule-soft: rgba(62, 92, 70, 0.34);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  padding-bottom: clamp(44px, 7vw, 92px);
}

/* 首屏 */
.page-faq .faq-hero{
  position: relative;
  padding: clamp(16px, 3vw, 26px) 0 clamp(28px, 5vw, 56px);
  border-bottom: 1px solid var(--faq-rule-soft);
  background:
    radial-gradient(120% 95% at 90% -10%, rgba(201, 249, 75, 0.16), transparent 58%),
    radial-gradient(90% 80% at 0% 110%, rgba(13, 27, 46, 0.92), transparent 62%);
}

.page-faq .faq-hero h1{
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 7.4vw, 60px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  margin: 18px 0 0;
  color: var(--paper);
}

.page-faq .faq-hero h1 em{
  font-style: normal;
  color: var(--lime);
  display: inline-block;
  transform: skewX(-3deg);
}

.page-faq .faq-hero .lede{
  margin: 16px 0 0;
  max-width: 34em;
  color: var(--stone);
  font-size: clamp(15px, 1.8vw, 17px);
  line-height: 1.62;
}

.page-faq .faq-search{
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: clamp(20px, 4vw, 30px);
  max-width: 660px;
  padding: 13px 20px;
  background: var(--panel);
  border: 1px solid var(--faq-rule);
  border-radius: var(--r-pill);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.01em;
  color: var(--stone);
}

.page-faq .faq-search__icon{
  width: 18px;
  height: 18px;
  flex: none;
  color: var(--lime);
}

.page-faq .faq-search__placeholder{
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.page-faq .faq-search__hint{
  margin-left: auto;
  flex: none;
  font-size: 11px;
  color: var(--moss);
  letter-spacing: 0.04em;
}

/* 问答墙 */
.page-faq .faq-wall{
  display: flex;
  flex-direction: column;
  gap: clamp(32px, 5vw, 64px);
  padding-top: clamp(28px, 5vw, 56px);
}

.page-faq .faq-row{
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  padding-top: clamp(18px, 3vw, 30px);
  border-top: 1px solid var(--faq-rule-soft);
}

.page-faq .faq-row__body{
  min-width: 0;
}

.page-faq .faq-num{
  display: inline-block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  font-size: clamp(28px, 5vw, 44px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--stone);
  transition: color 180ms ease;
}

.page-faq .faq-row:has(details[open]) .faq-num{
  color: var(--amber);
}

.page-faq .faq-row__title{
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 3.6vw, 28px);
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--paper);
}

/* 折叠问答 */
.page-faq .qa{
  margin-bottom: 10px;
  background: var(--panel);
  border: 1px solid var(--faq-rule-soft);
  border-radius: var(--r-md);
  transition: border-color 160ms ease, transform 160ms ease;
}

.page-faq .qa:hover{
  border-color: rgba(201, 249, 75, 0.5);
}

.page-faq .qa[open]{
  border-color: var(--faq-rule);
}

.page-faq .qa__q{
  position: relative;
  display: block;
  padding: 15px 46px 15px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 500;
  line-height: 1.45;
  color: var(--paper);
  transition: color 160ms ease;
}

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

.page-faq .qa__q::after{
  content: "+";
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--lime);
}

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

.page-faq .qa__q:hover,
.page-faq .qa__q:focus-visible{
  color: var(--lime);
}

.page-faq .qa__a{
  margin: 0 16px 16px;
  padding-left: 14px;
  border-left: 2px solid var(--lime);
}

.page-faq .qa__a p{
  margin: 0;
  max-width: 34em;
  color: var(--stone);
  font-size: 14.5px;
  line-height: 1.66;
  overflow-wrap: anywhere;
}

.page-faq .qa__a a{
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(201, 249, 75, 0.45);
  transition: border-color 160ms ease;
}

.page-faq .qa__a a:hover{
  border-bottom-color: var(--lime);
}

.page-faq .faq-mono{
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--paper);
}

/* 配图 */
.page-faq .faq-figure{
  margin: 6px 0 16px;
}

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

.page-faq .faq-figure figcaption{
  margin-top: 8px;
  font-size: 12px;
  line-height: 1.5;
  color: var(--stone);
}

.page-faq .faq-figure--portrait img{
  max-width: 280px;
  border-radius: var(--r-lg);
}

/* 记录示例 */
.page-faq .faq-record{
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.page-faq .faq-record__main{
  min-width: 0;
}

.page-faq .faq-recordcard{
  background: var(--night);
  border: 1px solid var(--faq-rule);
  border-radius: var(--r-lg);
  padding: 14px 16px 6px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-recordcard__head{
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--faq-rule-soft);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--stone);
}

.page-faq .faq-lines{
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-line{
  position: relative;
  display: grid;
  grid-template-columns: 44px minmax(52px, max-content) minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  padding: 10px 4px;
  border-bottom: 1px solid rgba(62, 92, 70, 0.3);
  font-size: 12.5px;
  color: var(--paper);
  transition: background 150ms ease;
}

.page-faq .faq-line:last-child{
  border-bottom: none;
}

.page-faq .faq-line:hover{
  background: rgba(201, 249, 75, 0.08);
}

.page-faq .faq-line__min{
  color: var(--stone);
}

.page-faq .faq-line__note{
  justify-self: end;
  color: var(--stone);
  font-size: 11.5px;
  white-space: nowrap;
}

.page-faq .faq-line__tip{
  position: absolute;
  right: 0;
  top: -6px;
  transform: translateY(-100%);
  padding: 4px 9px;
  border-radius: var(--r-sm);
  background: var(--lime);
  color: var(--ink);
  font-size: 11px;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: opacity 150ms ease;
  z-index: 2;
}

.page-faq .faq-line:hover .faq-line__tip,
.page-faq .faq-line:focus-within .faq-line__tip{
  opacity: 1;
  visibility: visible;
}

.page-faq .faq-chip{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 2px 9px;
  border-radius: var(--r-pill);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.page-faq .faq-chip--amber{
  background: var(--amber);
  color: var(--ink);
}

.page-faq .faq-chip--red{
  background: var(--red);
  color: #ffffff;
}

.page-faq .faq-record__cap{
  margin: 8px 0 0;
  font-size: 12px;
  color: var(--stone);
}

/* 时间轴 */
.page-faq .faq-timeline{
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.page-faq .faq-timeline li{
  padding: 12px 14px;
  background: rgba(15, 46, 36, 0.62);
  border: 1px solid var(--faq-rule-soft);
  border-radius: var(--r-md);
}

.page-faq .faq-timeline__t{
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.05em;
  color: var(--amber);
}

.page-faq .faq-timeline strong{
  display: block;
  font-size: 15px;
  font-weight: 700;
  color: var(--paper);
}

.page-faq .faq-timeline li span:last-child{
  display: block;
  margin-top: 4px;
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--stone);
}

/* 底部支持 */
.page-faq .faq-more{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: clamp(22px, 4vw, 36px);
  border: 1px solid var(--faq-rule);
  border-radius: var(--r-xl);
  background:
    linear-gradient(135deg, rgba(15, 46, 36, 0.95), rgba(13, 27, 46, 0.95));
}

.page-faq .faq-more__text{
  flex: 1 1 300px;
  min-width: 0;
}

.page-faq .faq-more h2{
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 3.4vw, 26px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-more p{
  margin: 0;
  max-width: 34em;
  font-size: 14.5px;
  line-height: 1.62;
  color: var(--stone);
}

.page-faq .faq-more__actions{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 22px;
}

.page-faq .faq-link{
  position: relative;
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--lime);
  text-decoration: none;
  padding-bottom: 3px;
}

.page-faq .faq-link::after{
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 1px;
  background: var(--lime);
  transition: width 160ms ease;
}

.page-faq .faq-link:hover::after,
.page-faq .faq-link:focus-visible::after{
  width: 100%;
}

@media (max-width: 719px){
  .page-faq .faq-line__tip{
    display: none;
  }

  .page-faq .faq-search__hint{
    display: none;
  }
}

@media (min-width: 760px){
  .page-faq .faq-timeline{
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 860px){
  .page-faq .faq-row{
    grid-template-columns: 108px minmax(0, 1fr);
    gap: clamp(24px, 4vw, 48px);
  }

  .page-faq .faq-row__num{
    position: sticky;
    top: 96px;
    align-self: start;
  }

  .page-faq .faq-record{
    grid-template-columns: minmax(0, 1fr) 240px;
    align-items: start;
    gap: 22px;
  }

  .page-faq .qa__q{
    padding: 17px 50px 17px 20px;
    font-size: 15.5px;
  }

  .page-faq .qa__a{
    margin: 0 20px 18px;
    padding-left: 16px;
  }
}