.page-faq{
  --faq-gap: clamp(20px, 3vw, 34px);
  --faq-soft: rgba(232,228,216,.06);
  --faq-soft-2: rgba(232,228,216,.11);
  display: block;
  background: var(--bg);
  color: var(--fg);
  padding-bottom: clamp(48px, 7vw, 96px);
}
.page-faq .faq-wrap{
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
  padding-top: 18px;
}

/* 顶部异常提示 */
.page-faq .faq-alert{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
  border: 1px solid rgba(242,160,61,.5);
  border-left: 4px solid var(--amber);
  background: rgba(242,160,61,.09);
  padding: 12px 16px;
  margin-bottom: 20px;
}
.page-faq .faq-alert p{
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--paper);
  flex: 1 1 240px;
}
.page-faq .faq-alert strong{ color: var(--amber); font-weight: 700; }
.page-faq .faq-alert-dot{
  width: 9px; height: 9px; flex: none;
  background: var(--amber);
  animation: faqPulse 2.4s ease-in-out infinite;
}
.page-faq .faq-alert-link{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--lime);
  border-bottom: 1px solid rgba(217,242,75,.5);
  padding-bottom: 2px;
}
.page-faq .faq-alert-link:hover{ color: var(--paper); border-color: var(--paper); }
@keyframes faqPulse{
  0%,100%{ opacity:.35; }
  50%{ opacity:1; }
}

/* 面包屑 */
.page-faq .breadcrumb ol{
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--fg-faint);
}
.page-faq .breadcrumb li + li::before{
  content: "/";
  margin-right: 8px;
  color: var(--line-strong);
}
.page-faq .breadcrumb a{ color: var(--fg-dim); }
.page-faq .breadcrumb a:hover{ color: var(--lime); }
.page-faq .breadcrumb [aria-current="page"]{ color: var(--paper); }

/* 首屏 */
.page-faq .faq-hero{
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  padding-bottom: var(--faq-gap);
  border-bottom: 1px solid var(--line);
}
.page-faq .faq-hero .index{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--red);
  margin: 0 0 14px;
}
.page-faq .faq-hero h1{
  margin: 0 0 18px;
  font-size: clamp(30px, 7.2vw, 62px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  font-weight: 900;
  color: var(--paper);
}
.page-faq .faq-lead{
  margin: 0;
  max-width: 36em;
  font-size: 16px;
  line-height: 1.75;
  color: var(--fg-dim);
}
.page-faq .faq-quick{
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 22px 0 0;
  padding: 0;
}
.page-faq .faq-quick a{
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  padding: 7px 12px;
  border: 1px solid var(--line-strong);
  color: var(--fg-dim);
  background: var(--faq-soft);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-faq .faq-quick a:hover{
  color: var(--ink-900);
  background: var(--lime);
  border-color: var(--lime);
}
.page-faq .faq-hero-fig{
  margin: 0;
  position: relative;
  border: 1px solid var(--line-strong);
  background: var(--bg-panel);
  padding: 8px;
}
.page-faq .faq-hero-fig img{
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(.55) contrast(1.05);
}
.page-faq .faq-hero-fig figcaption{
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .05em;
  color: var(--fg-faint);
  padding: 8px 2px 2px;
  line-height: 1.6;
}

/* 通用章节头 */
.page-faq .faq-sec-head{
  margin-bottom: 20px;
}
.page-faq .faq-sec-head h2{
  margin: 0 0 8px;
  font-size: clamp(21px, 4.4vw, 30px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  font-weight: 800;
  color: var(--paper);
  border-left: 3px solid var(--red);
  padding-left: 12px;
}
.page-faq .faq-sec-head p{
  margin: 0;
  padding-left: 15px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--fg-faint);
  max-width: 46em;
}

/* 三步自救 */
.page-faq .faq-steps{
  padding: var(--faq-gap) 0;
  border-bottom: 1px solid var(--line);
}
.page-faq .faq-step-list{
  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;
  background: var(--bg-panel);
  padding: 20px 18px 18px;
  overflow: hidden;
  transition: background var(--dur) var(--ease);
}
.page-faq .faq-step:hover{ background: var(--ink-700); }
.page-faq .faq-step-num{
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(40px, 11vw, 72px);
  line-height: .9;
  letter-spacing: .02em;
  color: var(--paper);
  opacity: .16;
  margin-bottom: 10px;
}
.page-faq .faq-step h3{
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 800;
  color: var(--lime);
}
.page-faq .faq-step p{
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--fg-dim);
}
.page-faq .faq-step-note{
  margin-top: 12px !important;
  font-family: var(--font-mono);
  font-size: 11px !important;
  letter-spacing: .12em;
  color: var(--moss) !important;
}

/* 对照清单 */
.page-faq .faq-check{
  padding: var(--faq-gap) 0;
  border-bottom: 1px solid var(--line);
}
.page-faq .faq-check-body{
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  align-items: start;
}
.page-faq .faq-check-table{
  border: 1px solid var(--line-strong);
  background: var(--bg-panel);
}
.page-faq .faq-ck-head{ display: none; }
.page-faq .faq-ck-list{
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-faq .faq-ck-row{
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 2px 12px;
  padding: 14px 14px 16px;
  border-bottom: 1px solid var(--line);
  transition: background var(--dur) var(--ease);
}
.page-faq .faq-ck-row:last-child{ border-bottom: 0; }
.page-faq .faq-ck-row:hover{ background: var(--faq-soft); }
.page-faq .faq-ck-ctl{
  grid-row: 1 / span 3;
  display: block;
  position: relative;
  width: 22px;
  height: 22px;
  margin-top: 2px;
  cursor: pointer;
}
.page-faq .faq-ck-input{
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  opacity: 0;
  cursor: pointer;
  z-index: 1;
}
.page-faq .faq-ck-mark{
  display: block;
  width: 22px;
  height: 22px;
  border: 1px solid var(--line-strong);
  background: var(--ink-900);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-faq .faq-ck-mark::after{
  content: "";
  display: block;
  width: 11px;
  height: 6px;
  margin: 6px auto 0;
  border-left: 2px solid var(--ink-900);
  border-bottom: 2px solid var(--ink-900);
  transform: rotate(-45deg) scale(.4);
  opacity: 0;
  transition: opacity 160ms var(--ease), transform 160ms var(--ease);
}
.page-faq .faq-ck-input:focus-visible + .faq-ck-mark{
  outline: 2px solid var(--lime);
  outline-offset: 2px;
}
.page-faq .faq-ck-input:checked + .faq-ck-mark{
  background: var(--lime);
  border-color: var(--lime);
}
.page-faq .faq-ck-input:checked + .faq-ck-mark::after{
  opacity: 1;
  transform: rotate(-45deg) scale(1);
}
.page-faq .faq-ck-sr{
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}
.page-faq .faq-ck-sym,
.page-faq .faq-ck-why,
.page-faq .faq-ck-fix{
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
}
.page-faq .faq-ck-sym{ color: var(--paper); font-weight: 700; }
.page-faq .faq-ck-why{ color: var(--fg-faint); }
.page-faq .faq-ck-fix{ color: var(--steel); }
.page-faq .faq-ck-fix::before{
  content: "→ ";
  font-family: var(--font-mono);
  color: var(--red);
}
.page-faq .faq-ck-row:has(.faq-ck-input:checked){
  background: rgba(217,242,75,.05);
}
.page-faq .faq-ck-row:has(.faq-ck-input:checked) .faq-ck-sym,
.page-faq .faq-ck-row:has(.faq-ck-input:checked) .faq-ck-why,
.page-faq .faq-ck-row:has(.faq-ck-input:checked) .faq-ck-fix{
  color: var(--moss);
}

/* 清单侧栏 */
.page-faq .faq-check-side{
  display: grid;
  gap: 18px;
}
.page-faq .faq-side-fig{
  margin: 0;
  border: 1px solid var(--line);
  background: var(--bg-panel);
  padding: 8px;
}
.page-faq .faq-side-fig img{
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: saturate(.5) contrast(1.06);
}
.page-faq .faq-side-fig figcaption{
  font-size: 12px;
  line-height: 1.65;
  color: var(--fg-faint);
  padding: 8px 2px 2px;
}
.page-faq .faq-side-note{
  border: 1px solid var(--line);
  border-left: 3px solid var(--red);
  background: var(--faq-soft);
  padding: 16px;
}
.page-faq .faq-side-note .index{
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--red);
  margin: 0 0 10px;
}
.page-faq .faq-side-note p{
  margin: 0 0 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--fg-dim);
}
.page-faq .faq-side-note p:last-child{ margin-bottom: 0; }

/* 内联链接 */
.page-faq .faq-inline-link{
  color: var(--lime);
  border-bottom: 1px solid rgba(217,242,75,.4);
  padding-bottom: 1px;
}
.page-faq .faq-inline-link:hover{
  color: var(--paper);
  border-color: var(--paper);
}

/* 登录异常 */
.page-faq .faq-login{
  padding: var(--faq-gap) 0;
  border-bottom: 1px solid var(--line);
}
.page-faq .faq-login-grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.page-faq .faq-login-card{
  background: var(--bg-panel);
  padding: 18px 16px;
  transition: background var(--dur) var(--ease);
}
.page-faq .faq-login-card:hover{ background: var(--ink-700); }
.page-faq .faq-login-card .index{
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--steel);
  margin: 0 0 8px;
}
.page-faq .faq-login-card h3{
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 800;
  color: var(--paper);
}
.page-faq .faq-login-card p:last-child{
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--fg-dim);
}
.page-faq .faq-login-fallback{
  margin-top: 20px;
  background: linear-gradient(90deg, rgba(217,242,75,.10), rgba(217,242,75,.02));
  border: 1px solid rgba(217,242,75,.28);
  padding: 18px;
}
.page-faq .faq-login-fallback .index{
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--lime);
  margin: 0 0 8px;
}
.page-faq .faq-login-fallback p:last-child{
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--paper);
  max-width: 54em;
}

/* 筛选与订阅 */
.page-faq .faq-subs{
  padding: var(--faq-gap) 0;
  border-bottom: 1px solid var(--line);
}
.page-faq .faq-subs-list{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}
.page-faq .faq-subs-list li{
  border: 1px solid var(--line);
  border-top: 2px solid var(--steel);
  background: var(--bg-panel);
  padding: 16px;
}
.page-faq .faq-subs-list li:nth-child(2n){ border-top-color: var(--red); }
.page-faq .faq-subs-list h3{
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 800;
  color: var(--paper);
}
.page-faq .faq-subs-list p{
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--fg-dim);
}
.page-faq .faq-subs-more{
  margin: 22px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* 反馈 */
.page-faq .faq-feedback{
  padding: var(--faq-gap) 0 0;
}
.page-faq .faq-fb-grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  align-items: start;
}
.page-faq .faq-fb-items{
  list-style: none;
  counter-reset: none;
  margin: 0 0 16px;
  padding: 0;
}
.page-faq .faq-fb-items li{
  display: grid;
  grid-template-columns: 38px 1fr;
  gap: 10px;
  padding: 11px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 14px;
  line-height: 1.65;
  color: var(--fg-dim);
}
.page-faq .faq-fb-items .mono{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--red);
  padding-top: 2px;
}
.page-faq .faq-fb-safe{
  margin: 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--moss);
  border-left: 2px solid var(--amber);
  padding-left: 12px;
}
.page-faq .faq-fb-card{
  background: var(--ink-800);
  border: 1px solid var(--line-strong);
  box-shadow: 6px 6px 0 rgba(0,0,0,.35);
  padding: 20px 18px;
}
.page-faq .faq-fb-card .index{
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--steel);
  margin: 0 0 10px;
}
.page-faq .faq-fb-mail{
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: clamp(14px, 3.6vw, 18px);
  letter-spacing: .02em;
  color: var(--lime);
  word-break: break-all;
  line-height: 1.4;
}
.page-faq .faq-fb-meta{
  margin: 0 0 6px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--fg-dim);
}
.page-faq .faq-fb-card .rule{
  height: 1px;
  background: var(--line);
  margin: 14px 0;
  border: 0;
}
.page-faq .faq-fb-tail{
  margin: 22px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.8;
  color: var(--fg-faint);
  max-width: 52em;
}

/* 平板 */
@media (min-width: 700px){
  .page-faq .faq-step-list{ grid-template-columns: repeat(3, 1fr); }
  .page-faq .faq-login-grid{ grid-template-columns: repeat(2, 1fr); }
  .page-faq .faq-subs-list{ grid-template-columns: repeat(2, 1fr); }
  .page-faq .faq-check-body{ grid-template-columns: 1fr; }
  .page-faq .faq-check-side{
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}

/* 桌面 */
@media (min-width: 1000px){
  .page-faq .faq-wrap{ padding-top: 26px; }
  .page-faq .faq-hero{
    grid-template-columns: minmax(0, 1.35fr) minmax(0, .85fr);
    gap: 40px;
    align-items: start;
    padding-bottom: 38px;
  }
  .page-faq .faq-check-body{
    grid-template-columns: minmax(0, 1.9fr) minmax(0, .7fr);
    gap: 30px;
  }
  .page-faq .faq-check-side{
    grid-template-columns: 1fr;
    position: sticky;
    top: 24px;
  }
  .page-faq .faq-ck-head{
    display: grid;
    grid-template-columns: 28px 1.25fr 1fr 1.25fr;
    gap: 0 18px;
    padding: 12px 14px;
    background: var(--ink-700);
    border-bottom: 1px solid var(--line-strong);
  }
  .page-faq .faq-ck-head span{
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--paper);
  }
  .page-faq .faq-ck-row{
    grid-template-columns: 28px 1.25fr 1fr 1.25fr;
    gap: 0 18px;
    padding: 13px 14px;
    align-items: start;
  }
  .page-faq .faq-ck-ctl{ grid-row: auto; margin-top: 1px; }
  .page-faq .faq-login-grid{ grid-template-columns: repeat(4, 1fr); }
  .page-faq .faq-fb-grid{
    grid-template-columns: minmax(0, 1.55fr) minmax(0, .95fr);
    gap: 34px;
  }
}

@media (prefers-reduced-motion: reduce){
  .page-faq .faq-alert-dot{ animation: none; opacity: 1; }
  .page-faq .faq-ck-mark::after,
  .page-faq .faq-step,
  .page-faq .faq-ck-row{ transition: none; }
}
<<<END>>>