.page-contact{
  background:var(--ink-900);
  color:var(--paper);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.85;
  overflow-x:hidden;
}
.page-contact h1,
.page-contact h2,
.page-contact h3{
  margin:0;
  font-weight:900;
  letter-spacing:-.02em;
  line-height:1.25;
}
.page-contact p{margin:0;}
.page-contact ul,
.page-contact ol{margin:0;padding:0;list-style:none;}
.page-contact a{color:var(--green);text-decoration:none;}
.page-contact a:hover{text-decoration:underline;}

/* ---------- 首屏 ---------- */
.page-contact .hero{
  position:relative;
  isolation:isolate;
  overflow:hidden;
  padding-bottom:52px;
  border-bottom:1px solid var(--line);
}
.page-contact .hero__bg{position:absolute;inset:0;z-index:-1;}
.page-contact .hero__bg img{
  display:block;
  width:100%;
  height:100%;
  object-fit:cover;
  opacity:.32;
}
.page-contact .hero__bg::after{
  content:"";
  position:absolute;
  inset:0;
  background:
    linear-gradient(180deg,rgba(6,23,37,.58) 0%,rgba(6,23,37,.9) 56%,var(--ink-900) 100%),
    repeating-linear-gradient(90deg,rgba(95,119,137,.16) 0 1px,transparent 1px 96px),
    repeating-linear-gradient(0deg,rgba(95,119,137,.16) 0 1px,transparent 1px 96px);
}
.page-contact .hero__inner{position:relative;padding-top:26px;}
.page-contact .hero__grid{
  display:grid;
  gap:30px;
  align-items:start;
  margin-top:24px;
}
.page-contact .eyebrow{
  color:var(--green);
  font-family:var(--mono);
  font-size:11px;
  letter-spacing:.16em;
}
.page-contact h1{
  margin-top:14px;
  font-size:clamp(30px,5.4vw,56px);
  color:var(--paper);
}
.page-contact .lead{
  margin-top:18px;
  max-width:35em;
  color:var(--mist);
  font-size:17px;
  line-height:1.85;
}
.page-contact .hero__quick{
  display:flex;
  flex-wrap:wrap;
  gap:14px 30px;
  margin-top:26px;
  padding-top:18px;
  border-top:1px solid var(--line);
}
.page-contact .hero__quick li{display:flex;flex-direction:column;gap:2px;}
.page-contact .hero__quick-num{
  font-family:var(--mono);
  font-size:18px;
  letter-spacing:.04em;
  color:var(--green);
}
.page-contact .hero__quick-label{
  font-size:12px;
  letter-spacing:.04em;
  color:var(--mist);
}

/* 联系卡 */
.page-contact .ccard{
  position:relative;
  background:var(--ink-800);
  border:1px solid var(--line-strong);
  border-top:2px solid var(--green);
  padding:22px 20px 24px;
}
.page-contact .ccard::after{
  content:"";
  position:absolute;
  top:-2px;
  right:-1px;
  width:16px;
  height:16px;
  background:var(--orange);
}
.page-contact .ccard__kicker{
  font-family:var(--mono);
  font-size:11px;
  letter-spacing:.16em;
  color:var(--orange);
}
.page-contact .ccard__title{
  margin-top:6px;
  font-size:20px;
  color:var(--paper);
}
.page-contact .ccard__row{
  display:grid;
  gap:6px;
  margin-top:18px;
  padding-top:14px;
  border-top:1px solid var(--line);
}
.page-contact .ccard__label{
  font-size:12px;
  letter-spacing:.06em;
  color:var(--mist);
}
.page-contact .ccard__value{
  font-family:var(--mono);
  font-size:15px;
  letter-spacing:.02em;
  color:var(--paper);
  word-break:break-all;
}
.page-contact .ccard__note{
  margin-top:18px;
  padding-top:14px;
  border-top:1px solid var(--line);
  font-size:14px;
  color:var(--mist);
}
.page-contact .ccard__links{
  display:flex;
  flex-wrap:wrap;
  gap:10px 18px;
  margin-top:16px;
}
.page-contact .ccard__links a{
  font-size:14px;
  border-bottom:1px solid rgba(59,224,166,.4);
  padding-bottom:2px;
}

/* 复制按钮 */
.page-contact .pcc-copy{
  justify-self:start;
  margin-top:8px;
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.08em;
  padding:6px 12px;
  background:transparent;
  color:var(--green);
  border:1px solid var(--green);
  border-radius:0;
  cursor:pointer;
  transition:background .16s var(--ease),color .16s var(--ease);
}
.page-contact .pcc-copy:hover{background:var(--green);color:var(--ink-900);}
.page-contact .pcc-copy:focus-visible{outline:2px solid var(--orange);outline-offset:2px;}
.page-contact .pcc-status{
  min-height:1.2em;
  margin-top:6px;
  font-size:12px;
  letter-spacing:.06em;
  color:var(--green);
}

/* ---------- 通用章节 ---------- */
.page-contact .pc-sec{
  padding:48px 0;
  border-bottom:1px solid var(--line);
}
.page-contact .pc-sec--last{border-bottom:0;}
.page-contact .pc-sec__head{
  display:grid;
  gap:10px;
  max-width:760px;
  margin-bottom:28px;
}
.page-contact .pc-num{
  font-family:var(--mono);
  font-size:11px;
  letter-spacing:.18em;
  color:var(--orange);
}
.page-contact .pc-sec h2{
  font-size:clamp(24px,3.6vw,34px);
  color:var(--paper);
}
.page-contact .pc-sec__desc{color:var(--mist);}
.page-contact .pc-sec__foot{
  margin-top:26px;
  padding-top:16px;
  border-top:1px solid var(--line);
  font-size:14px;
  color:var(--mist);
}

/* ---------- 周期表 ---------- */
.page-contact .tt-layout{display:grid;gap:28px;}
.page-contact .tt{
  border-top:1px solid var(--line-strong);
}
.page-contact .tt__row{
  display:grid;
  gap:4px 18px;
  padding:16px 14px;
  border-bottom:1px solid var(--line);
  border-left:2px solid transparent;
  transition:background .16s var(--ease),border-color .16s var(--ease);
}
.page-contact .tt__row:hover{background:var(--ink-700);}
.page-contact .tt__row.is-now{
  border-left-color:var(--green);
  background:var(--green-soft);
}
.page-contact .tt__period{
  font-family:var(--mono);
  font-size:15px;
  letter-spacing:.04em;
  color:var(--orange);
}
.page-contact .tt__row.is-now .tt__period::before{
  content:"";
  display:inline-block;
  width:7px;
  height:7px;
  margin-right:8px;
  vertical-align:middle;
  background:var(--green);
}
.page-contact .tt__period--alert{color:var(--alert);font-size:13px;letter-spacing:.08em;}
.page-contact .tt__channel{
  font-weight:700;
  color:var(--paper);
  font-size:15px;
}
.page-contact .tt__use{
  color:var(--paper);
  font-size:15px;
}
.page-contact .tt__note{
  color:var(--mist);
  font-size:13px;
}
.page-contact .tt__row--last{border-bottom:1px solid var(--line-strong);}

.page-contact .pc-figure{
  margin:0;
  border:1px solid var(--line);
  background:var(--ink-800);
}
.page-contact .pc-figure img{
  display:block;
  width:100%;
  max-width:100%;
  height:auto;
  object-fit:cover;
}
.page-contact .pc-figure figcaption{
  padding:10px 12px;
  border-top:1px solid var(--line);
  font-size:12px;
  letter-spacing:.02em;
  color:var(--mist);
}

/* ---------- 地址 ---------- */
.page-contact .addr{
  position:relative;
  overflow:hidden;
  padding:26px 22px;
  background:var(--ink-800);
  border:1px solid var(--line-strong);
  border-left:2px solid var(--orange);
}
.page-contact .addr::before{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background:
    repeating-linear-gradient(90deg,rgba(95,119,137,.18) 0 1px,transparent 1px 48px),
    repeating-linear-gradient(0deg,rgba(95,119,137,.18) 0 1px,transparent 1px 48px);
  mask-image:linear-gradient(115deg,rgba(0,0,0,.9),transparent 72%);
  -webkit-mask-image:linear-gradient(115deg,rgba(0,0,0,.9),transparent 72%);
}
.page-contact .addr > *{position:relative;}
.page-contact .addr__label{
  font-family:var(--mono);
  font-size:11px;
  letter-spacing:.16em;
  color:var(--green);
}
.page-contact .addr__value{
  margin-top:12px;
  font-size:clamp(18px,2.6vw,24px);
  font-weight:700;
  line-height:1.5;
  color:var(--paper);
}
.page-contact .addr__note{
  margin-top:14px;
  max-width:38em;
  font-size:14px;
  color:var(--mist);
}

/* ---------- 自检清单 ---------- */
.page-contact .selfcheck{
  display:grid;
  gap:12px;
}
.page-contact .selfcheck__item label{
  display:flex;
  gap:14px;
  padding:14px 16px;
  background:var(--ink-800);
  border:1px solid var(--line);
  cursor:pointer;
  transition:border-color .16s var(--ease),background .16s var(--ease);
}
.page-contact .selfcheck__item label:hover{
  border-color:var(--line-strong);
  background:var(--ink-700);
}
.page-contact .selfcheck input{
  appearance:none;
  -webkit-appearance:none;
  flex:0 0 20px;
  width:20px;
  height:20px;
  margin:5px 0 0;
  border:1px solid var(--silver);
  background:transparent;
  border-radius:0;
  cursor:pointer;
  position:relative;
  transition:background .16s var(--ease),border-color .16s var(--ease);
}
.page-contact .selfcheck input:checked{
  background:var(--green);
  border-color:var(--green);
}
.page-contact .selfcheck input:checked::after{
  content:"";
  position:absolute;
  left:6px;
  top:2px;
  width:5px;
  height:10px;
  border:solid var(--ink-900);
  border-width:0 2px 2px 0;
  transform:rotate(45deg);
}
.page-contact .selfcheck input:focus-visible{
  outline:2px solid var(--orange);
  outline-offset:2px;
}
.page-contact .selfcheck__text{
  font-size:15px;
  color:var(--mist);
  line-height:1.75;
}
.page-contact .selfcheck__text strong{
  color:var(--paper);
  font-weight:700;
  transition:color .16s var(--ease);
}
.page-contact .selfcheck input:checked ~ .selfcheck__text strong{color:var(--green);}
.page-contact .selfcheck__ready{
  display:none;
  margin-top:16px;
  padding:10px 14px;
  border-left:2px solid var(--green);
  background:var(--green-soft);
  font-size:14px;
  color:var(--green);
}
.page-contact .selfcheck-wrap:has(#pc-ck1:checked):has(#pc-ck2:checked):has(#pc-ck3:checked):has(#pc-ck4:checked) .selfcheck__ready{
  display:block;
}

/* ---------- 企业合作 ---------- */
.page-contact .coop{display:grid;gap:24px;}
.page-contact .coop__template-box{
  padding:20px 18px;
  background:var(--ink-800);
  border:1px solid var(--line-strong);
  border-top:2px solid var(--orange);
}
.page-contact .coop__kicker{
  font-family:var(--mono);
  font-size:11px;
  letter-spacing:.16em;
  color:var(--orange);
}
.page-contact .coop__template{
  margin-top:12px;
  padding:14px 14px;
  background:var(--oldpaper);
  color:#14202B;
  font-family:var(--mono);
  font-size:14px;
  line-height:1.75;
  word-break:break-all;
}
.page-contact .coop__title{
  font-size:17px;
  color:var(--paper);
}
.page-contact .coop__list{
  display:grid;
  gap:10px;
  margin-top:14px;
}
.page-contact .coop__list li{
  display:flex;
  gap:10px;
  align-items:baseline;
  font-size:15px;
  color:var(--mist);
  padding-bottom:10px;
  border-bottom:1px solid var(--line);
}
.page-contact .coop__list .mono{
  font-family:var(--mono);
  font-size:12px;
  color:var(--green);
  letter-spacing:.08em;
}
.page-contact .coop__note{
  margin-top:16px;
  font-size:14px;
  color:var(--mist);
}
.page-contact .coop__link{
  margin-top:10px;
  font-size:14px;
}

/* ---------- 相关入口 ---------- */
.page-contact .pc-links{
  display:grid;
  gap:10px;
  margin-top:32px;
  padding-top:24px;
  border-top:1px solid var(--line);
}
.page-contact .pc-links a{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
  padding:14px 16px;
  border:1px solid var(--line);
  color:var(--paper);
  font-weight:700;
  font-size:15px;
  transition:background .16s var(--ease),border-color .16s var(--ease);
}
.page-contact .pc-links a:hover{
  background:var(--ink-700);
  border-color:var(--line-strong);
  text-decoration:none;
}
.page-contact .pc-links a span{
  font-family:var(--mono);
  font-size:13px;
  color:var(--green);
}

/* ---------- 断点 ---------- */
@media (min-width:720px){
  .page-contact .tt__row{
    grid-template-columns:190px 150px minmax(0,1.15fr) minmax(0,1fr);
    align-items:baseline;
  }
  .page-contact .pc-links{grid-template-columns:repeat(2,minmax(0,1fr));}
}

@media (min-width:960px){
  .page-contact .hero{padding-bottom:64px;}
  .page-contact .hero__grid{
    grid-template-columns:minmax(0,7fr) minmax(0,4fr);
    gap:44px;
  }
  .page-contact .ccard{
    position:sticky;
    top:96px;
  }
  .page-contact .pc-sec{padding:64px 0;}
  .page-contact .tt-layout{
    grid-template-columns:minmax(0,8fr) minmax(0,4fr);
    gap:36px;
    align-items:start;
  }
  .page-contact .coop{
    grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);
    gap:40px;
    align-items:start;
  }
  .page-contact .selfcheck{
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:14px;
  }
  .page-contact .pc-links{grid-template-columns:repeat(4,minmax(0,1fr));}
}

@media (prefers-reduced-motion:reduce){
  .page-contact *{
    transition-duration:.01ms !important;
    animation-duration:.01ms !important;
  }
}