.page-faq{
  --faq-index-w:196px;
  --faq-panel:rgba(10,39,66,.68);
  --faq-grid-line:rgba(30,58,82,.55);
  --faq-body-text:rgba(234,244,255,.84);
  background:var(--deep-sea);
  color:var(--ice);
  padding-bottom:clamp(48px,7vw,88px);
}

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

/* ---------- 首屏 ---------- */
.page-faq .faq-hero{
  position:relative;
  margin-top:clamp(18px,3.5vw,32px);
  padding:clamp(28px,5vw,56px) 0 clamp(32px,5vw,60px);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background:
    radial-gradient(120% 140% at 88% 0%, rgba(53,224,242,.16), transparent 58%),
    linear-gradient(180deg, rgba(10,39,66,.88) 0%, rgba(4,24,38,.36) 100%);
  overflow:hidden;
}
.page-faq .faq-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    repeating-linear-gradient(90deg, transparent 0 79px, var(--faq-grid-line) 79px 80px),
    repeating-linear-gradient(0deg, transparent 0 79px, var(--faq-grid-line) 79px 80px);
  opacity:.32;
  pointer-events:none;
}
.page-faq .faq-hero > .shell{
  position:relative;
  z-index:1;
}
.page-faq .faq-hero__top{
  display:grid;
  gap:clamp(24px,4vw,40px);
}
.page-faq .faq-hero__copy h1{
  font-family:var(--font-display);
  font-weight:800;
  font-size:clamp(2rem,6.2vw,3.4rem);
  line-height:1.06;
  letter-spacing:-.03em;
  margin:.28em 0 .45em;
  text-wrap:balance;
}
.page-faq .faq-hero .lead{
  max-width:56ch;
  margin:0;
  font-size:clamp(1rem,1.7vw,1.12rem);
  line-height:1.8;
  color:var(--faq-body-text);
}
.page-faq .faq-hero__actions{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:clamp(18px,3vw,26px);
}
.page-faq .hero-timeline{
  border:1px solid var(--line);
  border-left:2px solid var(--electric);
  background:rgba(4,24,38,.78);
  border-radius:2px;
  padding:16px 18px 14px;
}
.page-faq .hero-timeline__head{
  margin:0 0 12px;
  font-family:var(--font-data);
  font-size:.72rem;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--steel);
}
.page-faq .hero-timeline__list{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:0;
}
.page-faq .hero-timeline__row{
  display:grid;
  gap:3px;
  padding:9px 0;
  border-bottom:1px dashed rgba(30,58,82,.9);
}
.page-faq .hero-timeline__row:last-child{
  border-bottom:0;
  padding-bottom:0;
}
.page-faq .hero-timeline__time{
  font-family:var(--font-data);
  font-size:.8rem;
  letter-spacing:.02em;
  color:var(--electric);
}
.page-faq .hero-timeline__label{
  font-size:.88rem;
  line-height:1.55;
  color:rgba(234,244,255,.8);
}

/* ---------- 四步卡 ---------- */
.page-faq .step-list{
  list-style:none;
  margin:clamp(26px,4vw,44px) 0 0;
  padding:0;
  display:grid;
  gap:10px;
  counter-reset:none;
}
.page-faq .step{
  position:relative;
  padding:18px 16px 20px;
  border:1px solid var(--line);
  border-radius:2px;
  background:linear-gradient(180deg, rgba(10,39,66,.92), rgba(4,24,38,.74));
  transition:transform var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease);
}
.page-faq .step::after{
  content:"";
  position:absolute;
  left:0;
  top:0;
  width:38%;
  height:2px;
  background:linear-gradient(90deg, var(--gold), transparent);
}
.page-faq .step:hover{
  transform:translateY(-2px);
  border-color:var(--line-accent);
  box-shadow:0 12px 28px -20px rgba(53,224,242,.95);
}
.page-faq .step__num{
  display:block;
  font-family:var(--font-data);
  font-size:clamp(1.5rem,3vw,2rem);
  line-height:1;
  letter-spacing:.02em;
  color:var(--gold);
  margin-bottom:10px;
}
.page-faq .step__title{
  margin:0 0 6px;
  font-family:var(--font-display);
  font-size:1rem;
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--ice);
}
.page-faq .step__text{
  margin:0;
  font-size:.9rem;
  line-height:1.7;
  color:var(--faq-body-text);
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-body{
  display:grid;
  gap:clamp(24px,4vw,40px);
  margin-top:clamp(36px,6vw,64px);
}
.page-faq .faq-index{
  border:1px solid var(--line);
  background:rgba(10,39,66,.66);
  border-radius:2px;
  padding:14px 14px 10px;
}
.page-faq .faq-index__title{
  margin:0 0 10px;
  font-family:var(--font-data);
  font-size:.7rem;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--steel);
}
.page-faq .faq-index__list{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:2px;
}
.page-faq .faq-index__link{
  display:flex;
  gap:10px;
  align-items:baseline;
  padding:8px 10px;
  border-left:2px solid transparent;
  color:var(--ice);
  text-decoration:none;
  font-size:.88rem;
  line-height:1.45;
  transition:background var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}
.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible{
  border-left-color:var(--electric);
  background:rgba(53,224,242,.1);
  color:#fff;
}
.page-faq .faq-index__n{
  flex:none;
  font-family:var(--font-data);
  font-size:.72rem;
  color:var(--electric);
}

/* ---------- 章节 ---------- */
.page-faq .faq-section{
  padding-top:2px;
}
.page-faq .faq-section + .faq-section{
  margin-top:clamp(32px,5vw,54px);
  padding-top:clamp(26px,4vw,42px);
  border-top:1px solid var(--line);
}
.page-faq .faq-section__head{
  display:flex;
  flex-wrap:wrap;
  gap:10px 14px;
  align-items:center;
  margin-bottom:14px;
}
.page-faq .faq-section__head h2{
  margin:0;
  font-family:var(--font-display);
  font-size:clamp(1.32rem,3.2vw,1.95rem);
  font-weight:700;
  line-height:1.2;
  letter-spacing:-.02em;
}
.page-faq .faq-prose{
  margin:0 0 14px;
  font-size:.98rem;
  line-height:1.85;
  color:var(--faq-body-text);
}
.page-faq .faq-subtitle{
  margin:26px 0 10px;
  font-family:var(--font-display);
  font-size:1.02rem;
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--ice);
  padding-left:10px;
  border-left:2px solid var(--gold);
}

/* ---------- 图文 ---------- */
.page-faq .media-frame{
  margin:18px 0 6px;
  border:1px solid var(--line);
  border-radius:2px;
  overflow:hidden;
  background:rgba(4,24,38,.6);
}
.page-faq .media-frame img{
  display:block;
  width:100%;
  max-width:100%;
  height:auto;
  object-fit:cover;
}

/* ---------- 编号步骤 ---------- */
.page-faq .walk{
  list-style:none;
  counter-reset:walk;
  margin:20px 0 0;
  padding:0;
  display:grid;
  gap:10px;
}
.page-faq .walk__item{
  counter-increment:walk;
  position:relative;
  padding:16px 16px 18px 58px;
  border:1px solid var(--line);
  border-radius:2px;
  background:var(--faq-panel);
  transition:border-color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}
.page-faq .walk__item:hover{
  border-color:var(--line-accent);
  background:rgba(10,39,66,.86);
}
.page-faq .walk__item::before{
  content:counter(walk,decimal-leading-zero);
  position:absolute;
  left:14px;
  top:16px;
  font-family:var(--font-data);
  font-size:.82rem;
  letter-spacing:.02em;
  color:var(--gold);
  border:1px solid rgba(232,180,92,.42);
  border-radius:2px;
  padding:2px 6px;
}
.page-faq .walk__item h3{
  margin:0 0 6px;
  font-family:var(--font-display);
  font-size:1rem;
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--ice);
}
.page-faq .walk__item p{
  margin:0;
  font-size:.93rem;
  line-height:1.78;
  color:var(--faq-body-text);
}

/* ---------- 折叠问答 ---------- */
.page-faq .qa-group{
  display:grid;
  gap:8px;
  margin-top:16px;
}
.page-faq .qa{
  border:1px solid var(--line);
  border-radius:2px;
  background:rgba(10,39,66,.6);
  transition:border-color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}
.page-faq .qa[open]{
  border-color:var(--line-accent);
  background:rgba(10,39,66,.9);
}
.page-faq .qa__q{
  display:flex;
  align-items:center;
  gap:12px;
  padding:14px 16px;
  cursor:pointer;
  list-style:none;
  font-family:var(--font-display);
  font-size:.97rem;
  font-weight:600;
  line-height:1.55;
  color:var(--ice);
}
.page-faq .qa__q::-webkit-details-marker{
  display:none;
}
.page-faq .qa__q:focus-visible{
  outline:2px solid var(--electric);
  outline-offset:-2px;
}
.page-faq .qa__mark{
  margin-left:auto;
  flex:none;
  display:grid;
  place-items:center;
  width:22px;
  height:22px;
  border:1px solid var(--line-accent);
  border-radius:2px;
  color:var(--electric);
  font-family:var(--font-data);
  font-size:.9rem;
  line-height:1;
  transition:transform var(--t-med) var(--ease);
}
.page-faq .qa[open] .qa__mark{
  transform:rotate(45deg);
}
.page-faq .qa__a{
  padding:0 16px 16px;
  font-size:.93rem;
  line-height:1.82;
  color:var(--faq-body-text);
}
.page-faq .qa__a p{
  margin:0 0 .6em;
}
.page-faq .qa__a p:last-child{
  margin-bottom:0;
}

/* ---------- 状态说明 ---------- */
.page-faq .status-row{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:8px;
}
.page-faq .status-row__item{
  display:flex;
  gap:10px;
  align-items:flex-start;
  padding:11px 14px;
  border-left:2px solid var(--line);
  background:rgba(4,24,38,.6);
  border-radius:0 2px 2px 0;
  font-size:.93rem;
  line-height:1.72;
  color:var(--faq-body-text);
}
.page-faq .status-row__item .dot{
  margin-top:.55em;
}
.page-faq .status-row__text strong{
  color:var(--ice);
  font-weight:700;
}

/* ---------- 筛选维度 ---------- */
.page-faq .filter-grid{
  display:grid;
  gap:10px;
  margin-top:22px;
}
.page-faq .filter-card{
  padding:15px 16px 17px;
  border:1px solid var(--line);
  border-top:2px solid rgba(53,224,242,.5);
  border-radius:2px;
  background:rgba(10,39,66,.62);
  transition:transform var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}
.page-faq .filter-card:hover{
  transform:translateY(-2px);
  border-color:var(--line-accent);
  border-top-color:var(--gold);
}
.page-faq .filter-card__title{
  margin:0 0 6px;
  font-family:var(--font-display);
  font-size:.98rem;
  font-weight:700;
  color:var(--ice);
}
.page-faq .filter-card__text{
  margin:0;
  font-size:.9rem;
  line-height:1.72;
  color:var(--faq-body-text);
}
.page-faq .topic-chip{
  display:inline-block;
  margin:0 6px 4px 0;
  padding:2px 9px;
  border:1px solid rgba(232,180,92,.4);
  border-radius:2px;
  font-family:var(--font-data);
  font-size:.78rem;
  letter-spacing:.02em;
  color:var(--gold);
  background:rgba(232,180,92,.08);
}

/* ---------- 自查 ---------- */
.page-faq .check-grid{
  display:grid;
  gap:10px;
  margin:18px 0 0;
}
.page-faq .check{
  padding:15px 16px 17px;
  border:1px solid var(--line);
  border-radius:2px;
  background:rgba(4,24,38,.62);
}
.page-faq .check__n{
  display:block;
  font-family:var(--font-data);
  font-size:.78rem;
  letter-spacing:.06em;
  color:var(--coral);
  margin-bottom:8px;
}
.page-faq .check__title{
  margin:0 0 5px;
  font-family:var(--font-display);
  font-size:.98rem;
  font-weight:700;
  color:var(--ice);
}
.page-faq .check__text{
  margin:0;
  font-size:.88rem;
  line-height:1.7;
  color:var(--faq-body-text);
}

/* ---------- 联系方式 ---------- */
.page-faq .support{
  margin-top:22px;
  padding:clamp(18px,3vw,28px);
  border:1px solid rgba(232,180,92,.34);
  border-radius:2px;
  background:
    linear-gradient(150deg, rgba(232,180,92,.1), transparent 46%),
    rgba(10,39,66,.88);
}
.page-faq .support__title{
  margin:0;
  font-family:var(--font-display);
  font-size:1.05rem;
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--ice);
}
.page-faq .support__list{
  list-style:none;
  margin:14px 0 0;
  padding:0;
  display:grid;
  gap:0;
}
.page-faq .support__row{
  display:grid;
  gap:2px;
  padding:10px 0;
  border-bottom:1px dashed rgba(30,58,82,.9);
}
.page-faq .support__row:last-child{
  border-bottom:0;
  padding-bottom:0;
}
.page-faq .support__key{
  font-family:var(--font-data);
  font-size:.7rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--steel);
}
.page-faq .support__val{
  font-size:.94rem;
  line-height:1.6;
  color:var(--ice);
  word-break:break-word;
}
.page-faq .support__val a{
  color:var(--electric);
  text-decoration:none;
  border-bottom:1px solid rgba(53,224,242,.42);
  transition:border-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}
.page-faq .support__val a:hover,
.page-faq .support__val a:focus-visible{
  color:#fff;
  border-bottom-color:var(--gold);
}
.page-faq .support__note{
  margin:14px 0 0;
  font-size:.88rem;
  line-height:1.75;
  color:var(--faq-body-text);
}

/* ---------- 结尾行动 ---------- */
.page-faq .faq-cta{
  margin-top:clamp(36px,6vw,64px);
  padding:clamp(22px,4vw,38px);
  border:1px solid var(--line);
  border-radius:2px;
  background:
    linear-gradient(115deg, rgba(53,224,242,.16), transparent 48%),
    rgba(10,39,66,.9);
  display:grid;
  gap:18px;
}
.page-faq .faq-cta__title{
  margin:.3em 0 .4em;
  font-family:var(--font-display);
  font-size:clamp(1.24rem,3vw,1.72rem);
  font-weight:700;
  line-height:1.25;
  letter-spacing:-.02em;
}
.page-faq .faq-cta__text{
  margin:0;
  font-size:.94rem;
  line-height:1.75;
  color:var(--faq-body-text);
  max-width:52ch;
}
.page-faq .faq-cta__actions{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}

/* ---------- 响应式 ---------- */
@media (max-width:979px){
  .page-faq .faq-index__list{
    grid-auto-flow:column;
    grid-auto-columns:max-content;
    overflow-x:auto;
    padding-bottom:4px;
  }
  .page-faq .faq-index__link{
    border-left:0;
    border-bottom:2px solid transparent;
    padding:6px 12px 8px 0;
  }
  .page-faq .faq-index__link:hover,
  .page-faq .faq-index__link:focus-visible{
    border-left-color:transparent;
    border-bottom-color:var(--electric);
    background:transparent;
  }
}

@media (min-width:640px){
  .page-faq .step-list{
    grid-template-columns:repeat(2,minmax(0,1fr));
  }
  .page-faq .filter-grid{
    grid-template-columns:repeat(2,minmax(0,1fr));
  }
  .page-faq .check-grid{
    grid-template-columns:repeat(2,minmax(0,1fr));
  }
  .page-faq .support__row{
    grid-template-columns:88px minmax(0,1fr);
    gap:12px;
    align-items:baseline;
  }
}

@media (min-width:900px){
  .page-faq .faq-hero__top{
    grid-template-columns:minmax(0,1.4fr) minmax(270px,.6fr);
    align-items:end;
  }
}

@media (min-width:1024px){
  .page-faq .step-list{
    grid-template-columns:repeat(4,minmax(0,1fr));
  }
  .page-faq .check-grid{
    grid-template-columns:repeat(4,minmax(0,1fr));
  }
  .page-faq .faq-cta{
    grid-template-columns:minmax(0,1fr) auto;
    align-items:center;
  }
}

@media (min-width:980px){
  .page-faq .faq-body{
    grid-template-columns:var(--faq-index-w) minmax(0,1fr);
    gap:clamp(32px,4vw,56px);
    align-items:start;
  }
  .page-faq .faq-index{
    position:sticky;
    top:clamp(16px,3vw,32px);
    align-self:start;
  }
}

@media (prefers-reduced-motion:reduce){
  .page-faq .step,
  .page-faq .walk__item,
  .page-faq .filter-card,
  .page-faq .qa__mark{
    transition:none;
  }
  .page-faq .step:hover,
  .page-faq .filter-card:hover{
    transform:none;
  }
  .page-faq .qa[open] .qa__mark{
    transform:none;
  }
}
<<<END>>>