.page-contact{
  --ct-panel:rgba(16,36,31,.62);
  background:var(--ink);
  color:var(--paper);
  overflow-x:hidden;
}

.page-contact img{max-width:100%;height:auto;}
.page-contact .mono{font-family:var(--mono);}

/* ---------- 面包屑与首屏 ---------- */
.page-contact .breadcrumb{
  margin:0 0 clamp(20px,4vw,38px);
  font-size:12px;
  letter-spacing:.08em;
  color:var(--muted);
}
.page-contact .breadcrumb ol{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin:0;
  padding:0;
  list-style:none;
}
.page-contact .breadcrumb li + li::before{
  content:"/";
  margin-right:10px;
  color:var(--line);
}
.page-contact .breadcrumb a{
  color:var(--silver);
  text-decoration:none;
  border-bottom:1px solid transparent;
}
.page-contact .breadcrumb a:hover{color:var(--orange);border-bottom-color:var(--orange);}

.page-contact .ct-hero{
  position:relative;
  padding:clamp(18px,3.5vw,30px) 0 clamp(36px,6vw,72px);
  border-bottom:1px solid var(--line);
  background-image:
    linear-gradient(var(--grid) 1px,transparent 1px),
    linear-gradient(90deg,var(--grid) 1px,transparent 1px);
  background-size:32px 32px,32px 32px;
}
.page-contact .ct-hero__grid{
  align-items:end;
  row-gap:clamp(26px,4vw,44px);
}
.page-contact .eyebrow{
  margin:0;
  font-family:var(--mono);
  font-size:11px;
  letter-spacing:.18em;
  color:var(--orange);
}
.page-contact .ct-hero__copy h1{
  margin:.35em 0 .55em;
  font-size:clamp(2.1rem,6.4vw,3.9rem);
  line-height:1.04;
  font-weight:900;
  letter-spacing:-.02em;
}
.page-contact .ct-hero__lead{
  max-width:44ch;
  margin:0 0 26px;
  font-size:clamp(15px,2.3vw,17px);
  line-height:1.85;
  color:var(--silver);
}
.page-contact .ct-hero__actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-bottom:20px;
}
.page-contact .btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:12px 20px;
  font-size:14px;
  font-weight:700;
  letter-spacing:.02em;
  text-decoration:none;
  border:1px solid transparent;
  transition:background .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease);
}
.page-contact .btn--primary{
  background:var(--orange);
  border-color:var(--orange);
  color:var(--ink);
}
.page-contact .btn--primary:hover{background:var(--amber);border-color:var(--amber);}
.page-contact .btn--ghost{
  background:transparent;
  border-color:var(--amber);
  color:var(--amber);
}
.page-contact .btn--ghost:hover{background:rgba(255,178,94,.12);}
.page-contact .ct-hero__meta{
  margin:0;
  font-size:12px;
  letter-spacing:.05em;
  color:var(--muted);
  word-break:break-word;
}

.page-contact .figure{margin:0;}
.page-contact .figure__frame{
  border:1px solid var(--line);
  background:var(--ink-2);
  overflow:hidden;
}
.page-contact .figure__frame img{
  display:block;
  width:100%;
  height:auto;
  object-fit:cover;
}
.page-contact .figure__cap{
  margin-top:10px;
  font-size:12px;
  letter-spacing:.06em;
  color:var(--muted);
}
.page-contact .figure__cap b{font-family:var(--mono);color:var(--silver);font-weight:600;}

/* ---------- 章节通用 ---------- */
.page-contact .section{
  padding:clamp(42px,6.6vw,84px) 0;
  border-top:1px solid var(--line);
  position:relative;
}
.page-contact .section--ink{background:var(--ink-2);}
.page-contact .section__head{margin-bottom:clamp(24px,4vw,44px);}
.page-contact .section__index{
  margin:0 0 8px;
  font-size:12px;
  letter-spacing:.18em;
  color:var(--orange);
}
.page-contact .section__title{
  margin:0 0 12px;
  font-size:clamp(1.45rem,3.6vw,2.25rem);
  line-height:1.16;
  font-weight:900;
  letter-spacing:-.015em;
}
.page-contact .section__lead{
  max-width:56ch;
  margin:0;
  color:var(--silver);
  font-size:15.5px;
  line-height:1.85;
}

/* ---------- 01 渠道卡带 ---------- */
.page-contact .ct-channels__bar{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  margin-bottom:22px;
}
.page-contact .filter-btn{
  font:inherit;
  font-size:13px;
  letter-spacing:.06em;
  padding:8px 14px;
  background:transparent;
  color:var(--silver);
  border:1px solid var(--line);
  cursor:pointer;
  transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.page-contact .filter-btn:hover{border-color:var(--amber);color:var(--amber);}
.page-contact .filter-btn[aria-pressed="true"]{
  background:var(--orange);
  border-color:var(--orange);
  color:var(--ink);
  font-weight:800;
}
.page-contact .filter-bar__count{
  margin-left:auto;
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.08em;
  color:var(--muted);
}

.page-contact .ct-channel-list{
  display:grid;
  gap:1px;
  margin:0;
  padding:0;
  list-style:none;
  background:var(--line);
  border:1px solid var(--line);
}
.page-contact .ct-channel{
  display:flex;
  flex-direction:column;
  gap:10px;
  padding:clamp(20px,3vw,30px);
  background:var(--ink-2);
  border-left:3px solid var(--orange);
}
.page-contact [data-filter-item][hidden]{display:none;}
.page-contact .ct-channel__no{
  margin:0;
  font-size:11px;
  letter-spacing:.18em;
  color:var(--muted);
}
.page-contact .ct-channel__title{
  margin:0;
  font-size:1.22rem;
  font-weight:800;
  letter-spacing:-.01em;
}
.page-contact .ct-channel__desc{
  margin:0;
  color:var(--silver);
  font-size:15px;
  line-height:1.78;
}
.page-contact .ct-channel__points{
  display:grid;
  gap:8px;
  margin:4px 0 0;
  padding:0;
  list-style:none;
}
.page-contact .ct-channel__points li{
  position:relative;
  padding-left:16px;
  font-size:14px;
  line-height:1.72;
  color:var(--silver);
}
.page-contact .ct-channel__points li::before{
  content:"";
  position:absolute;
  left:0;
  top:.72em;
  width:7px;
  height:1px;
  background:var(--orange);
}
.page-contact .ct-channel__link{
  margin-top:auto;
  padding-top:10px;
  font-family:var(--mono);
  font-size:13px;
  color:var(--orange);
  text-decoration:none;
  border-bottom:1px solid transparent;
  align-self:flex-start;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.page-contact .ct-channel__link:hover{color:var(--amber);border-bottom-color:var(--amber);}

/* ---------- 02 明细表 ---------- */
.page-contact .ct-direct__scroll{overflow-x:auto;}
.page-contact .ct-table{
  width:100%;
  min-width:620px;
  border-collapse:collapse;
  font-size:14px;
}
.page-contact .ct-table__cap{
  padding:0 0 12px;
  text-align:left;
  font-family:var(--mono);
  font-size:11px;
  letter-spacing:.16em;
  color:var(--muted);
}
.page-contact .ct-table th,
.page-contact .ct-table td{
  padding:14px 16px;
  text-align:left;
  vertical-align:top;
  border-bottom:1px solid var(--line);
  line-height:1.7;
}
.page-contact .ct-table thead th{
  font-family:var(--mono);
  font-size:11px;
  font-weight:600;
  letter-spacing:.14em;
  color:var(--muted);
  border-bottom:1px solid var(--grid-strong);
}
.page-contact .ct-table tbody th{
  font-weight:800;
  color:var(--paper);
  white-space:nowrap;
}
.page-contact .ct-table tbody tr:nth-child(even){background:var(--ct-panel);}
.page-contact .ct-table tbody td.mono{color:var(--silver);word-break:break-all;}
.page-contact .ct-table a{
  color:var(--orange);
  text-decoration:none;
  border-bottom:1px solid rgba(255,106,26,.42);
}
.page-contact .ct-table a:hover{color:var(--amber);border-bottom-color:var(--amber);}

/* ---------- 03 反馈入口 ---------- */
.page-contact .ct-feedback__grid{row-gap:clamp(24px,4vw,40px);align-items:start;}
.page-contact .ct-steps{
  margin:0;
  padding:0;
  list-style:none;
  border-top:1px solid var(--line);
}
.page-contact .ct-steps li{
  display:grid;
  grid-template-columns:82px 1fr;
  gap:16px;
  align-items:start;
  padding:16px 0;
  border-bottom:1px solid var(--line);
}
.page-contact .ct-steps__k{
  padding-top:3px;
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.12em;
  color:var(--orange);
}
.page-contact .ct-steps li p{
  margin:0;
  color:var(--silver);
  font-size:15px;
  line-height:1.75;
}
.page-contact .ct-feedback__note{
  margin:22px 0 0;
  font-size:14px;
  line-height:1.85;
  color:var(--muted);
}
.page-contact .ct-feedback__note a{
  color:var(--amber);
  text-decoration:none;
  border-bottom:1px solid rgba(255,178,94,.5);
}
.page-contact .ct-feedback__note a:hover{color:var(--orange);border-bottom-color:var(--orange);}

/* ---------- 04 合作 ---------- */
.page-contact .ct-coop__grid{
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
}
.page-contact .ct-coop__cell{
  background:var(--ink-2);
  padding:clamp(20px,3vw,28px);
}
.page-contact .ct-coop__cell h3{
  margin:0 0 10px;
  font-size:1.1rem;
  font-weight:800;
  letter-spacing:-.01em;
}
.page-contact .ct-coop__cell p{
  margin:0 0 12px;
  color:var(--silver);
  font-size:14.5px;
  line-height:1.8;
}
.page-contact .ct-coop__more{margin:0;}
.page-contact .ct-coop__more a{
  font-size:13px;
  color:var(--orange);
  text-decoration:none;
  border-bottom:1px solid transparent;
}
.page-contact .ct-coop__more a:hover{color:var(--amber);border-bottom-color:var(--amber);}
.page-contact .ct-coop__cta{
  margin-top:26px;
  padding:18px 20px;
  background:var(--ink-2);
  border-left:3px solid var(--orange);
}
.page-contact .ct-coop__cta p{
  margin:0;
  color:var(--silver);
  font-size:15px;
  line-height:1.85;
  word-break:break-word;
}
.page-contact .ct-coop__cta .mono{color:var(--amber);}

/* ---------- 05 地址 ---------- */
.page-contact .ct-address__grid{
  row-gap:clamp(24px,4vw,40px);
  align-items:start;
}
.page-contact .ct-addr{margin:0 0 22px;}
.page-contact .ct-addr__row{
  display:grid;
  grid-template-columns:92px 1fr;
  gap:14px;
  padding:14px 0;
  border-bottom:1px solid var(--line);
}
.page-contact .ct-addr__row:first-child{border-top:1px solid var(--line);}
.page-contact .ct-addr__row dt{
  padding-top:3px;
  font-size:12px;
  letter-spacing:.12em;
  color:var(--muted);
}
.page-contact .ct-addr__row dd{
  margin:0;
  font-size:15px;
  line-height:1.7;
  color:var(--paper);
  word-break:break-word;
}
.page-contact .ct-addr__row dd.mono{color:var(--silver);}

.page-contact .ct-details{border-bottom:1px solid var(--line);}
.page-contact .ct-details summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:16px 0;
  cursor:pointer;
  list-style:none;
  font-size:15px;
  font-weight:800;
  color:var(--paper);
  transition:color .2s var(--ease);
}
.page-contact .ct-details summary::-webkit-details-marker{display:none;}
.page-contact .ct-details summary::after{
  content:"+";
  font-family:var(--mono);
  font-size:18px;
  line-height:1;
  color:var(--orange);
}
.page-contact .ct-details[open] summary::after{content:"–";}
.page-contact .ct-details summary:hover{color:var(--amber);}
.page-contact .ct-details__body{
  max-width:62ch;
  padding:0 0 20px;
  color:var(--silver);
  font-size:14.5px;
  line-height:1.85;
}
.page-contact .ct-details__body p{margin:0 0 10px;}
.page-contact .ct-details__body p:last-child{margin-bottom:0;}

/* ---------- 06 响应节奏 ---------- */
.page-contact .ct-sla__list{
  margin:0;
  padding:0;
  list-style:none;
  border-top:1px solid var(--line);
}
.page-contact .ct-sla__item{
  display:grid;
  gap:6px 18px;
  padding:20px 0;
  border-bottom:1px solid var(--line);
}
.page-contact .ct-sla__name{
  margin:0;
  font-size:16px;
  font-weight:800;
  color:var(--paper);
}
.page-contact .ct-sla__time{
  margin:0;
  font-family:var(--mono);
  font-size:14px;
  letter-spacing:.04em;
  color:var(--orange);
}
.page-contact .ct-sla__desc{
  margin:0;
  color:var(--silver);
  font-size:14.5px;
  line-height:1.78;
}

/* ---------- 出口 ---------- */
.page-contact .ct-exits{
  border-top:1px solid var(--line);
  background:var(--ink-2);
}
.page-contact .ct-exits__grid{
  gap:1px;
  background:var(--line);
}
.page-contact .ct-exit{
  display:block;
  padding:clamp(22px,3vw,32px);
  background:var(--ink-2);
  color:inherit;
  text-decoration:none;
  transition:background .25s var(--ease);
}
.page-contact .ct-exit:hover{background:var(--ink);}
.page-contact .ct-exit__k{
  margin:0 0 10px;
  font-family:var(--mono);
  font-size:11px;
  letter-spacing:.16em;
  color:var(--orange);
}
.page-contact .ct-exit__t{
  margin:0 0 8px;
  font-size:1.18rem;
  font-weight:900;
  letter-spacing:-.01em;
}
.page-contact .ct-exit__d{
  margin:0;
  color:var(--silver);
  font-size:14px;
  line-height:1.75;
}

/* ---------- 断点 ---------- */
@media (min-width:900px){
  .page-contact .ct-channel-list{grid-template-columns:repeat(3,1fr);}
  .page-contact .ct-hero{padding-bottom:clamp(48px,6vw,84px);}
}

@media (min-width:760px){
  .page-contact .ct-sla__item{
    grid-template-columns:160px 190px 1fr;
    align-items:baseline;
  }
}

@media (max-width:600px){
  .page-contact .ct-addr__row{grid-template-columns:1fr;gap:6px;}
  .page-contact .ct-steps li{grid-template-columns:64px 1fr;gap:12px;}
  .page-contact .filter-bar__count{margin-left:0;width:100%;}
}

@media (prefers-reduced-motion:reduce){
  .page-contact .btn,
  .page-contact .filter-btn,
  .page-contact .ct-channel__link,
  .page-contact .ct-exit,
  .page-contact .ct-details summary{transition:none;}
}