.page-faq{
  --faq-pad: clamp(18px, 2.6vw, 30px);
  background: var(--ink-900);
  color: var(--paper);
  overflow-x: hidden;
}

.page-faq .num{
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.page-faq .page-faq__crumb{
  padding-top: clamp(16px, 3vw, 28px);
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero{
  position: relative;
  padding: clamp(20px, 3.5vw, 40px) 0 clamp(36px, 5.5vw, 72px);
}

.page-faq .faq-hero::before{
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line) 1px, transparent 1px);
  background-size: 88px 88px;
  opacity: .3;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, transparent 90%);
  mask-image: linear-gradient(to bottom, #000 0%, transparent 90%);
}

.page-faq .faq-hero__inner{
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 52px);
}

.page-faq .faq-hero h1{
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(32px, 6vw, 58px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 14px 0 0;
  text-wrap: balance;
}

.page-faq .faq-hero__lede{
  margin: 20px 0 0;
  max-width: 52ch;
  color: var(--mist);
  font-size: 16px;
  line-height: 1.8;
}

.page-faq .faq-hero__actions{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-faq .faq-hero__media{
  margin: 0;
}

.page-faq .faq-hero__media img{
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border: 1px solid var(--line);
  filter: saturate(.72) contrast(1.06);
}

/* ---------- 分类索引 ---------- */

.page-faq .faq-index{
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--ink-800);
}

.page-faq .faq-index__inner{
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.page-faq .faq-index__item{
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 56px;
  padding: 12px 14px 12px 16px;
  border-left: 1px solid var(--line);
  color: var(--mist);
  text-decoration: none;
  font-size: 14px;
  transition: color var(--t-fast) var(--ease), background-color var(--t-fast) var(--ease);
}

.page-faq .faq-index__item .num{
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--amber);
}

.page-faq .faq-index__item:hover,
.page-faq .faq-index__item:focus-visible{
  color: var(--neon);
  background: var(--ink-700);
}

/* ---------- 通用区块 ---------- */

.page-faq .faq-section{
  padding: clamp(48px, 7vw, 96px) 0;
}

.page-faq .faq-section--alt{
  background: var(--ink-800);
}

.page-faq .faq-section__head{
  max-width: 64ch;
  margin-bottom: clamp(24px, 3.5vw, 44px);
}

.page-faq .faq-section h2{
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(23px, 3.2vw, 36px);
  line-height: 1.2;
  letter-spacing: -0.015em;
  margin: 12px 0 14px;
  text-wrap: balance;
}

.page-faq .faq-section__sub{
  margin: 0;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.8;
  max-width: 62ch;
}

/* ---------- 状态徽章 ---------- */

.page-faq .faq-badge{
  display: inline-flex;
  align-items: center;
  gap: 7px;
  align-self: flex-start;
  padding: 4px 9px;
  border: 1px solid currentColor;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .07em;
  line-height: 1.5;
  color: var(--mist);
}

.page-faq .faq-badge::before{
  content: "";
  width: 6px;
  height: 6px;
  background: currentColor;
  flex: 0 0 auto;
}

.page-faq .faq-badge--amber{ color: var(--amber); }
.page-faq .faq-badge--neon{ color: var(--neon); }
.page-faq .faq-badge--violet{ color: var(--violet); }

/* ---------- 结论卡 ---------- */

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

.page-faq .faq-verdict{
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: var(--faq-pad) 0;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-verdict h3{
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.35;
  margin: 0;
  letter-spacing: -0.01em;
}

.page-faq .faq-verdict p{
  margin: 0;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.75;
}

.page-faq .faq-link{
  align-self: flex-start;
  margin-top: auto;
  color: var(--neon);
  text-decoration: none;
  font-size: 14px;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: border-color var(--t-fast) var(--ease);
}

.page-faq .faq-link::after{
  content: " →";
  font-family: var(--font-mono);
}

.page-faq .faq-link:hover,
.page-faq .faq-link:focus-visible{
  border-bottom-color: var(--neon);
}

/* ---------- 四步步骤卡 ---------- */

.page-faq .faq-steps{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-faq .faq-step{
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: var(--ink-900);
  padding: var(--faq-pad);
}

.page-faq .faq-step::before{
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 2px;
  background: var(--teal);
  opacity: .55;
}

.page-faq .faq-step__num{
  font-size: clamp(30px, 4vw, 44px);
  font-weight: 700;
  line-height: 1;
  color: var(--teal);
  letter-spacing: -0.03em;
}

.page-faq .faq-step h3{
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  line-height: 1.35;
}

.page-faq .faq-step__dl{
  margin: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.page-faq .faq-step__dl dt{
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--mist);
}

.page-faq .faq-step__dl dt:first-child{
  margin-top: 0;
}

.page-faq .faq-step__dl dd{
  margin: 4px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--paper);
}

.page-faq .faq-step__dl dd:last-child{
  color: var(--neon);
}

/* ---------- 手风琴 ---------- */

.page-faq .faq-accgroup{
  margin-top: clamp(24px, 3.5vw, 40px);
}

.page-faq .faq-acc{
  border-bottom: 1px solid var(--line);
  background: transparent;
}

.page-faq .faq-acc:first-of-type{
  border-top: 1px solid var(--line);
}

.page-faq .faq-acc > summary{
  display: flex;
  align-items: baseline;
  gap: 12px;
  min-height: 52px;
  padding: 15px 0;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  line-height: 1.6;
  color: var(--paper);
  transition: color var(--t-fast) var(--ease);
}

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

.page-faq .faq-acc > summary .num{
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--teal);
  flex: 0 0 auto;
  min-width: 1.6em;
}

.page-faq .faq-acc > summary::after{
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1;
  color: var(--neon);
  flex: 0 0 auto;
}

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

.page-faq .faq-acc > summary:hover,
.page-faq .faq-acc > summary:focus-visible{
  color: var(--neon);
}

.page-faq .faq-acc__body{
  padding: 0 0 22px 1.9em;
  max-width: 72ch;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.8;
}

.page-faq .faq-acc__body p{
  margin: 0;
}

.page-faq .faq-acc--inline{
  margin-top: 24px;
}

/* ---------- iOS 分栏 ---------- */

.page-faq .faq-split{
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 56px);
}

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

.page-faq .faq-split__lede{
  margin: 0;
  color: var(--mist);
  font-size: 16px;
  line-height: 1.8;
  max-width: 54ch;
}

.page-faq .faq-flow{
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  position: relative;
}

.page-faq .faq-flow::before{
  content: "";
  position: absolute;
  left: 5px;
  top: 12px;
  bottom: 14px;
  width: 1px;
  background: linear-gradient(to bottom, var(--neon), var(--line));
}

.page-faq .faq-flow__item{
  position: relative;
  padding-left: 32px;
  padding-bottom: 24px;
}

.page-faq .faq-flow__item:last-child{
  padding-bottom: 0;
}

.page-faq .faq-flow__dot{
  position: absolute;
  left: 0;
  top: 6px;
  width: 11px;
  height: 11px;
  background: var(--ink-900);
  border: 2px solid var(--neon);
}

.page-faq .faq-flow__item h3{
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.4;
  display: flex;
  gap: 10px;
  align-items: baseline;
}

.page-faq .faq-flow__item h3 .num{
  font-size: 12px;
  color: var(--amber);
  letter-spacing: .06em;
}

.page-faq .faq-flow__item p{
  margin: 0;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.75;
}

.page-faq .faq-split__note{
  margin: 26px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--line);
  color: var(--mist);
  font-size: 14px;
  line-height: 1.8;
  max-width: 56ch;
}

.page-faq .faq-split__media{
  margin: 0;
  align-self: start;
}

.page-faq .faq-split__media img{
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border: 1px solid var(--line);
  filter: saturate(.7) contrast(1.06);
}

/* ---------- 收藏方式 ---------- */

.page-faq .faq-picks{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-faq .faq-pick{
  background: var(--ink-900);
  padding: var(--faq-pad);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-faq .faq-pick__num{
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--amber);
}

.page-faq .faq-pick h3{
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  line-height: 1.35;
}

.page-faq .faq-pick p{
  margin: 0;
  color: var(--mist);
  font-size: 14px;
  line-height: 1.75;
}

.page-faq .faq-note{
  margin: 22px 0 0;
  color: var(--mist);
  font-size: 14px;
  line-height: 1.8;
  max-width: 68ch;
}

/* ---------- 数据说明 ---------- */

.page-faq .faq-stats{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-faq .faq-stats li{
  background: var(--ink-800);
  padding: var(--faq-pad);
}

.page-faq .faq-stats__n{
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1;
  color: var(--amber);
  letter-spacing: -0.02em;
}

.page-faq .faq-stats__n em{
  font-style: normal;
  font-size: .4em;
  margin-left: 4px;
  color: var(--mist);
  letter-spacing: 0;
}

.page-faq .faq-stats__l{
  display: block;
  margin-top: 12px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--mist);
}

/* ---------- 客服区 ---------- */

.page-faq .faq-contact-grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 56px);
  align-items: start;
}

.page-faq .faq-contact__body h2{
  margin-top: 12px;
}

.page-faq .faq-checklist{
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-faq .faq-checklist li{
  position: relative;
  padding-left: 30px;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.7;
}

.page-faq .faq-checklist li::before{
  content: "";
  position: absolute;
  left: 2px;
  top: .52em;
  width: 13px;
  height: 7px;
  border-left: 2px solid var(--neon);
  border-bottom: 2px solid var(--neon);
  transform: rotate(-45deg);
}

.page-faq .faq-contact-card{
  background: var(--ink-700);
  border: 1px solid var(--line);
  padding: clamp(22px, 3vw, 34px);
}

.page-faq .faq-contact-list{
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
}

.page-faq .faq-contact-list li{
  display: grid;
  gap: 3px;
  padding: 14px 0;
  border-bottom: 1px dashed var(--line);
}

.page-faq .faq-contact-list li:last-child{
  border-bottom: 0;
  padding-bottom: 0;
}

.page-faq .faq-contact-list__label{
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--mist);
}

.page-faq .faq-contact-list__value{
  color: var(--paper);
  font-size: 16px;
  line-height: 1.55;
  word-break: break-word;
}

.page-faq .faq-contact-list__value.num{
  font-size: 17px;
}

.page-faq .faq-contact-card__note{
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--mist);
  font-size: 14px;
  line-height: 1.8;
}

.page-faq .faq-contact-card__note a{
  color: var(--neon);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-faq .faq-contact-card__note a:hover,
.page-faq .faq-contact-card__note a:focus-visible{
  border-bottom-color: var(--neon);
}

/* ---------- 响应式 ---------- */

@media (min-width: 620px){
  .page-faq .faq-steps{
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-faq .faq-stats{
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 768px){
  .page-faq .faq-index__inner{
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-faq .faq-picks{
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px){
  .page-faq .faq-hero__inner{
    grid-template-columns: 1.1fr .9fr;
    align-items: end;
  }
  .page-faq .faq-verdicts{
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-faq .faq-verdict{
    padding: var(--faq-pad) 28px;
    border-left: 1px solid var(--line);
  }
  .page-faq .faq-verdict:first-child{
    padding-left: 0;
    border-left: 0;
  }
  .page-faq .faq-verdict:last-child{
    padding-right: 0;
  }
  .page-faq .faq-split{
    grid-template-columns: 1.08fr .92fr;
  }
  .page-faq .faq-contact-grid{
    grid-template-columns: 1.1fr .9fr;
  }
}

@media (min-width: 1080px){
  .page-faq .faq-steps{
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-faq .faq-stats{
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-faq .faq-hero__media{
    margin-bottom: 6px;
  }
}

@media (prefers-reduced-motion: reduce){
  .page-faq .faq-index__item,
  .page-faq .faq-link,
  .page-faq .faq-acc > summary{
    transition: none;
  }
}