/* ===== 联系入口 · 控制台式面板 ===== */

.page-contact{
  --pc-surface:rgba(14,42,38,.62);
  --pc-surface-2:rgba(11,27,43,.68);
  --pc-edge:rgba(58,68,72,.72);
  --pc-edge-strong:rgba(58,68,72,.95);
  padding-bottom:clamp(44px,6vw,88px);
}

.page-contact .breadcrumbs{
  padding-top:clamp(18px,3vw,30px);
  margin-bottom:clamp(20px,3.4vw,38px);
  align-items:center;
}

.page-contact .crumb-sep{
  color:var(--c-rock);
  margin:0 .45em;
  font-family:var(--font-mono);
}

/* ---------- 首屏 ---------- */

.pc-hero{
  display:grid;
  grid-template-columns:1fr;
  gap:clamp(12px,1.8vw,20px);
  padding-top:clamp(20px,3vw,32px);
  margin-bottom:clamp(26px,3.8vw,46px);
  border-top:1px solid var(--line);
  position:relative;
}

.pc-hero::after{
  content:"";
  position:absolute;
  top:-1px;
  left:0;
  width:clamp(58px,9vw,110px);
  height:3px;
  background:var(--c-cyan);
}

.pc-hero h1{
  font-family:var(--font-display);
  font-size:clamp(28px,5.6vw,52px);
  font-weight:900;
  line-height:1.06;
  letter-spacing:-.012em;
  color:var(--fg);
  max-width:15ch;
}

.pc-hero__lead{
  color:var(--fg-dim);
  font-size:clamp(14px,1.5vw,17px);
  line-height:1.78;
  max-width:58ch;
}

.pc-hero__strip{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:clamp(4px,1vw,10px);
}

.pc-status{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:7px 12px;
  border:1px solid var(--pc-edge);
  background:var(--pc-surface-2);
  color:var(--fg-dim);
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.08em;
  line-height:1.4;
  transition:border-color var(--t-fast), color var(--t-fast);
}

.pc-status--amber{
  border-color:var(--line-amber);
  color:var(--c-amber);
}

.pc-status--plain{
  color:var(--fg-faint);
}

.pc-status:hover{
  border-color:var(--line-cyan);
}

.pc-dot{
  display:inline-block;
  width:6px;
  height:6px;
  background:var(--c-cyan);
  font-style:normal;
  flex:none;
}

@media (min-width:900px){
  .pc-hero{
    grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);
    grid-template-rows:auto auto auto;
    column-gap:clamp(26px,4vw,58px);
    align-items:end;
  }
  .pc-hero .section-label{
    grid-column:1 / -1;
  }
  .pc-hero h1{
    grid-column:1;
  }
  .pc-hero__lead{
    grid-column:2;
    padding-bottom:6px;
  }
  .pc-hero__strip{
    grid-column:1 / -1;
  }
}

/* ---------- 控制台双栏 ---------- */

.pc-console{
  display:grid;
  grid-template-columns:1fr;
  gap:var(--gap);
  margin-bottom:clamp(30px,4.6vw,60px);
}

@media (min-width:920px){
  .pc-console{
    grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);
  }
}

.pc-panel{
  position:relative;
  display:flex;
  flex-direction:column;
  gap:clamp(14px,1.7vw,20px);
  padding:clamp(18px,2.4vw,30px);
  border:1px solid var(--pc-edge);
  background:linear-gradient(158deg,var(--pc-surface-2),var(--pc-surface));
  transition:border-color var(--t-fast);
}

.pc-panel::before{
  content:"";
  position:absolute;
  top:-1px;
  left:-1px;
  width:clamp(52px,7vw,86px);
  height:3px;
  background:var(--c-cyan);
}

.pc-panel--record::before{
  background:var(--c-amber);
}

.pc-panel:hover{
  border-color:var(--line-cyan);
}

.pc-panel--record:hover{
  border-color:var(--line-amber);
}

.pc-panel__head{
  display:flex;
  align-items:baseline;
  gap:12px;
}

.pc-panel__no{
  font-size:11.5px;
  letter-spacing:.14em;
  color:var(--c-cyan);
  flex:none;
}

.pc-panel--record .pc-panel__no{
  color:var(--c-amber);
}

.pc-panel__title{
  font-family:var(--font-display);
  font-size:clamp(19px,2.2vw,24px);
  font-weight:800;
  line-height:1.25;
  color:var(--fg);
  letter-spacing:.01em;
}

.pc-panel__note{
  color:var(--fg-dim);
  font-size:14px;
  line-height:1.78;
  margin:0;
  max-width:48ch;
}

/* 通道列表 */

.pc-channel-list{
  list-style:none;
  margin:0;
  padding:0;
  border-top:1px solid var(--pc-edge-strong);
}

.pc-channel{
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  align-items:center;
  gap:6px 14px;
  padding:15px 0;
  border-bottom:1px solid var(--pc-edge-strong);
}

.pc-channel__label{
  grid-column:1 / -1;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.18em;
  color:var(--fg-faint);
}

.pc-channel__value{
  font-size:clamp(14px,1.9vw,18px);
  font-weight:600;
  color:var(--fg);
  text-decoration:none;
  border-bottom:1px solid transparent;
  overflow-wrap:anywhere;
  transition:color var(--t-fast), border-color var(--t-fast);
}

.pc-channel__value:hover,
.pc-channel__value:focus-visible{
  color:var(--c-cyan);
  border-bottom-color:var(--line-cyan);
}

.page-contact .copy-btn{
  padding:7px 12px;
  border:1px solid var(--pc-edge);
  background:transparent;
  color:var(--fg-dim);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.1em;
  cursor:pointer;
  transition:border-color var(--t-fast), color var(--t-fast), background var(--t-fast);
}

.page-contact .copy-btn:hover,
.page-contact .copy-btn:focus-visible{
  border-color:var(--line-cyan);
  color:var(--c-cyan);
}

.page-contact .copy-btn[data-copied="true"]{
  background:var(--c-cyan);
  border-color:var(--c-cyan);
  color:var(--c-night);
}

/* 备案列表 */

.pc-record-list{
  display:grid;
  gap:0;
  margin:0;
  border-top:1px solid var(--pc-edge-strong);
}

.pc-record{
  padding:14px 0;
  border-bottom:1px solid var(--pc-edge-strong);
}

.pc-record dt{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.18em;
  color:var(--fg-faint);
  margin-bottom:6px;
}

.pc-record dd{
  margin:0;
  color:var(--fg);
  font-size:14px;
  line-height:1.72;
  overflow-wrap:anywhere;
}

.pc-record dd.mono{
  font-size:15px;
  letter-spacing:.04em;
  color:var(--c-amber);
}

/* 配图 */

.page-contact .pc-figure{
  margin:0;
  border:1px solid var(--pc-edge);
}

.page-contact .pc-figure img{
  display:block;
  width:100%;
  max-width:100%;
  height:auto;
  object-fit:cover;
}

.page-contact .pc-figure--grid img{
  aspect-ratio:5 / 3;
}

.page-contact .figure-caption{
  padding:9px 12px;
  border-top:1px solid var(--pc-edge);
  background:var(--bg-alt);
  color:var(--fg-faint);
  font-size:12px;
  line-height:1.6;
  letter-spacing:.02em;
}

/* ---------- 问题类型 ---------- */

.pc-section-head{
  display:grid;
  gap:10px;
  padding-top:clamp(20px,3vw,34px);
  margin-bottom:clamp(18px,2.4vw,28px);
  border-top:1px solid var(--line);
}

.pc-section-head h2{
  font-family:var(--font-display);
  font-size:clamp(22px,3.3vw,34px);
  font-weight:800;
  line-height:1.2;
  color:var(--fg);
  max-width:22ch;
}

.pc-topic-grid{
  list-style:none;
  margin:0 0 clamp(30px,4.6vw,58px);
  padding:0;
  display:grid;
  grid-template-columns:1fr;
  gap:var(--gap);
}

@media (min-width:640px){
  .pc-topic-grid{
    grid-template-columns:repeat(2,minmax(0,1fr));
  }
}

@media (min-width:1120px){
  .pc-topic-grid{
    grid-template-columns:repeat(4,minmax(0,1fr));
  }
}

.pc-topic{
  display:grid;
  align-content:start;
  gap:10px;
  padding:18px;
  border:1px solid var(--pc-edge);
  background:var(--pc-surface-2);
  transition:border-color var(--t-fast), transform var(--t-fast);
}

.pc-topic:hover{
  border-color:var(--line-cyan);
  transform:translateY(-2px);
}

.pc-topic__tag{
  justify-self:start;
}

.pc-topic h3{
  font-family:var(--font-display);
  font-size:15.5px;
  font-weight:700;
  line-height:1.5;
  color:var(--fg);
}

.pc-topic p{
  margin:0;
  font-size:13.5px;
  line-height:1.75;
  color:var(--fg-dim);
}

/* ---------- 响应说明 ---------- */

.pc-response{
  display:grid;
  grid-template-columns:1fr;
  gap:clamp(20px,3vw,36px);
  padding-top:clamp(20px,3vw,34px);
  margin-bottom:clamp(30px,4.6vw,58px);
  border-top:1px solid var(--line);
}

@media (min-width:900px){
  .pc-response{
    grid-template-columns:minmax(0,.84fr) minmax(0,1.16fr);
  }
}

.pc-response__intro h2{
  font-family:var(--font-display);
  font-size:clamp(22px,3.3vw,34px);
  font-weight:800;
  line-height:1.2;
  color:var(--fg);
  margin:12px 0;
  max-width:19ch;
}

.pc-response__intro p{
  margin:0;
  color:var(--fg-dim);
  font-size:14.5px;
  line-height:1.78;
  max-width:42ch;
}

.pc-response__list{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  grid-template-columns:1fr;
  gap:0;
  border-top:1px solid var(--pc-edge-strong);
}

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

.pc-response__list li{
  display:grid;
  align-content:start;
  gap:6px;
  padding:16px 18px 16px 0;
  border-bottom:1px solid var(--pc-edge-strong);
}

.pc-response__no{
  font-size:11.5px;
  letter-spacing:.16em;
  color:var(--c-cyan);
}

.pc-response__list strong{
  font-size:14.5px;
  font-weight:700;
  color:var(--fg);
  line-height:1.5;
}

.pc-response__list p{
  margin:0;
  font-size:13.5px;
  line-height:1.72;
  color:var(--fg-dim);
}

/* ---------- 合作与媒体 ---------- */

.pc-partner{
  position:relative;
  display:grid;
  grid-template-columns:1fr;
  gap:clamp(20px,3vw,36px);
  padding:clamp(22px,3.4vw,42px) clamp(18px,2.6vw,40px);
  margin-bottom:clamp(28px,4.2vw,50px);
  border:1px solid var(--pc-edge);
  background:
    linear-gradient(135deg,rgba(41,224,208,.07),transparent 56%),
    linear-gradient(315deg,rgba(245,158,66,.07),transparent 56%),
    var(--pc-surface-2);
}

@media (min-width:900px){
  .pc-partner{
    grid-template-columns:minmax(0,1.5fr) minmax(240px,.78fr);
    align-items:start;
  }
}

.pc-partner__body h2{
  font-family:var(--font-display);
  font-size:clamp(21px,3vw,30px);
  font-weight:800;
  line-height:1.22;
  color:var(--fg);
  margin:12px 0;
  max-width:24ch;
}

.pc-partner__body > p{
  margin:0 0 18px;
  color:var(--fg-dim);
  font-size:14.5px;
  line-height:1.78;
  max-width:52ch;
}

.pc-partner__list{
  list-style:none;
  margin:0 0 22px;
  padding:0;
  display:grid;
  gap:9px;
}

.pc-partner__list li{
  position:relative;
  padding-left:18px;
  font-size:13.5px;
  line-height:1.7;
  color:var(--fg-dim);
}

.pc-partner__list li::before{
  content:"";
  position:absolute;
  left:0;
  top:.66em;
  width:8px;
  height:1px;
  background:var(--c-cyan);
}

.pc-partner__aside{
  display:grid;
  align-content:start;
  gap:10px;
  padding:18px;
  border:1px solid var(--pc-edge-strong);
  background:var(--bg-alt);
}

.pc-partner__label{
  margin:0;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.18em;
  color:var(--fg-faint);
}

.pc-partner__mail{
  margin:0;
  font-size:14px;
  color:var(--fg);
  overflow-wrap:anywhere;
}

.pc-partner__hint{
  margin:4px 0 0;
  font-size:12.5px;
  line-height:1.7;
  color:var(--fg-faint);
}

/* ---------- 跨页导航 ---------- */

.pc-cross{
  display:grid;
  grid-template-columns:1fr;
  gap:1px;
  border:1px solid var(--pc-edge);
  background:var(--pc-edge);
}

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

.pc-cross__item{
  display:grid;
  gap:7px;
  padding:18px;
  background:var(--bg);
  text-decoration:none;
  transition:background var(--t-fast);
}

.pc-cross__item:hover,
.pc-cross__item:focus-visible{
  background:var(--bg-alt);
}

.pc-cross__label{
  font-size:11.5px;
  letter-spacing:.14em;
  color:var(--c-cyan);
}

.pc-cross__item:hover .pc-cross__label{
  color:var(--c-amber);
}

.pc-cross__desc{
  font-size:13px;
  line-height:1.65;
  color:var(--fg-dim);
}
<<<END>>>