.page-contact{
  --ct-line: rgba(242,238,223,.16);
  --ct-card: rgba(14,42,33,.78);
  --ct-muted: rgba(242,238,223,.74);
  --ct-soft: rgba(242,238,223,.55);
  background: var(--night);
  color: var(--bone);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero{
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: 22px 0 clamp(38px,7vw,70px);
  border-bottom: var(--bw) solid rgba(242,238,223,.24);
  background:
    radial-gradient(115% 85% at 84% -12%, rgba(200,255,61,.20), transparent 56%),
    radial-gradient(85% 70% at 2% 112%, rgba(139,232,197,.14), transparent 62%),
    linear-gradient(158deg, var(--night) 0%, var(--night-2) 100%);
}

.page-contact .ct-hero__bg{
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .24;
  filter: saturate(.75) contrast(1.05);
  -webkit-mask-image: linear-gradient(102deg, transparent 4%, #000 62%);
  mask-image: linear-gradient(102deg, transparent 4%, #000 62%);
  pointer-events: none;
}

.page-contact .ct-hero__inner{
  position: relative;
  z-index: 1;
}

.page-contact .breadcrumb__list{
  color: var(--ct-soft);
  margin-bottom: 18px;
}

.page-contact .breadcrumb__list a{
  color: var(--ct-soft);
}

.page-contact .ct-hero__title{
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(34px, 8.4vw, 68px);
  line-height: 1.06;
  letter-spacing: -.015em;
  margin: 8px 0 16px;
  text-wrap: balance;
}

.page-contact .ct-hero__lead{
  max-width: 52ch;
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--ct-muted);
}

.page-contact .ct-hero__chips{
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 26px;
}

.page-contact .ct-chip{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 15px;
  border: 2px solid rgba(242,238,223,.30);
  border-radius: 999px;
  color: var(--bone);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .02em;
  text-decoration: none;
  transition: border-color .16s ease, color .16s ease, transform .16s ease;
}

.page-contact .ct-chip:hover,
.page-contact .ct-chip:focus-visible{
  border-color: var(--lime);
  color: var(--lime);
  transform: translateY(-1px);
}

.page-contact .ct-chip__dot{
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 8px rgba(200,255,61,.8);
  flex: none;
}

/* ---------- 通用区块 ---------- */
.page-contact .ct-section{
  padding: clamp(40px,7vw,76px) 0;
  border-bottom: 1px solid var(--ct-line);
}

.page-contact .ct-section--last{
  border-bottom: 0;
}

.page-contact .ct-head{
  max-width: 60ch;
  margin-bottom: clamp(20px,3.4vw,32px);
}

.page-contact .ct-head h2{
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(23px, 4.4vw, 37px);
  line-height: 1.16;
  letter-spacing: -.01em;
  margin: 10px 0 12px;
}

.page-contact .ct-head p{
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ct-muted);
}

/* ---------- 响应时间条 ---------- */
.page-contact .ct-status{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 20px;
  margin-bottom: clamp(18px,3vw,28px);
  padding: 14px 16px;
  border: 2px solid rgba(200,255,61,.42);
  border-left-width: 6px;
  background: rgba(200,255,61,.07);
  font-size: 13.5px;
  line-height: 1.55;
  color: rgba(242,238,223,.88);
}

.page-contact .ct-status strong{
  color: var(--lime);
  font-weight: 700;
}

/* ---------- 渠道卡 ---------- */
.page-contact .ct-channels{
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-contact .ct-channel{
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px 18px 18px;
  border: 2px solid rgba(242,238,223,.22);
  background: var(--ct-card);
  box-shadow: 6px 6px 0 var(--ink);
  transition: border-color .18s ease, box-shadow .18s ease;
}

.page-contact .ct-channel:hover{
  border-color: rgba(200,255,61,.60);
  box-shadow: 8px 8px 0 var(--ink);
}

.page-contact .ct-channel__idx{
  color: var(--lime);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .10em;
}

.page-contact .ct-channel__title{
  font-family: var(--serif);
  font-size: 20px;
  line-height: 1.3;
  margin: 0;
}

.page-contact .ct-channel__meta{
  margin: 0;
  font-size: clamp(13px, 3.6vw, 15px);
  color: var(--glass);
  overflow-wrap: anywhere;
  letter-spacing: -.01em;
}

.page-contact .ct-channel__desc{
  margin: 0;
  font-size: 14px;
  line-height: 1.68;
  color: var(--ct-muted);
}

.page-contact .ct-channel__actions{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: auto;
  padding-top: 6px;
}

/* ---------- 合作 ---------- */
.page-contact .ct-collab{
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px,4vw,36px);
}

.page-contact .ct-collab__title{
  font-family: var(--serif);
  font-size: 20px;
  margin: 0 0 16px;
}

.page-contact .ct-list{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .ct-list li{
  position: relative;
  padding-left: 20px;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--ct-muted);
}

.page-contact .ct-list li::before{
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 9px;
  height: 9px;
  background: var(--lime);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
}

.page-contact .ct-list strong{
  color: var(--bone);
  font-weight: 700;
}

.page-contact .ct-collab__note{
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px dashed rgba(242,238,223,.20);
  font-size: 14px;
  line-height: 1.72;
  color: var(--ct-soft);
}

.page-contact .ct-collab__note a,
.page-contact .ct-info__note a,
.page-contact .ct-faq__body a{
  color: var(--lime);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .ct-brief{
  padding: 20px 18px;
  border: 2px solid rgba(184,106,74,.65);
  background: linear-gradient(160deg, rgba(184,106,74,.14), rgba(14,42,33,.85));
  box-shadow: 6px 6px 0 var(--ink);
}

.page-contact .ct-brief__title{
  font-family: var(--serif);
  font-size: 18px;
  margin: 0 0 14px;
}

.page-contact .ct-brief__list{
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .ct-brief__list li{
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--ct-muted);
}

.page-contact .ct-brief__list .mono{
  flex: none;
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  margin-top: 1px;
  background: var(--clay);
  color: var(--ink);
  font-size: 11px;
  font-weight: 700;
}

/* ---------- 工单 ---------- */
.page-contact .ct-ticket{
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px,4vw,40px);
  align-items: center;
}

.page-contact .ct-ticket__media{
  margin: 0;
  border: 2px solid rgba(139,232,197,.45);
  box-shadow: 8px 8px 0 var(--ink);
  background: var(--night-2);
  overflow: hidden;
}

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

.page-contact .ct-ticket__cap{
  padding: 10px 14px;
  border-top: 1px solid rgba(139,232,197,.30);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--glass);
}

.page-contact .ct-steps{
  list-style: none;
  counter-reset: step;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-contact .ct-steps li{
  counter-increment: step;
  position: relative;
  padding-left: 54px;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--ct-muted);
}

.page-contact .ct-steps li::before{
  content: "0" counter(step);
  position: absolute;
  left: 0;
  top: 1px;
  width: 38px;
  height: 26px;
  display: grid;
  place-items: center;
  background: var(--lime);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 700;
  clip-path: polygon(0 0, 100% 0, 100% 74%, 74% 100%, 0 100%);
}

.page-contact .ct-steps strong{
  display: block;
  color: var(--bone);
  font-weight: 700;
  margin-bottom: 3px;
}

/* ---------- 联系信息 ---------- */
.page-contact .ct-info{
  padding: clamp(18px,4vw,32px);
  border: 2px solid rgba(242,238,223,.28);
  background: linear-gradient(152deg, rgba(14,42,33,.94), rgba(7,26,20,.97));
  box-shadow: 10px 10px 0 var(--ink);
}

.page-contact .ct-info__row{
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px 18px;
  padding: 16px 0;
  border-bottom: 1px dashed rgba(242,238,223,.18);
}

.page-contact .ct-info__row:first-child{
  padding-top: 2px;
}

.page-contact .ct-info__label{
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--rock);
  align-self: center;
}

.page-contact .ct-info__value{
  font-size: clamp(15px, 4.2vw, 21px);
  line-height: 1.45;
  color: var(--bone);
  text-decoration: none;
  overflow-wrap: anywhere;
  min-width: 0;
}

.page-contact .ct-info__row a.ct-info__value:hover,
.page-contact .ct-info__row a.ct-info__value:focus-visible{
  color: var(--lime);
}

.page-contact .ct-info__row .copy-btn{
  justify-self: start;
}

.page-contact .ct-info__note{
  margin: 20px 0 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--ct-soft);
  max-width: 60ch;
}

.page-contact .ct-icp{
  display: inline-block;
  margin: 22px 0 0;
  padding: 8px 14px;
  border: 1px solid rgba(242,238,223,.30);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .07em;
  color: rgba(242,238,223,.72);
}

/* ---------- FAQ ---------- */
.page-contact .ct-faq{
  display: grid;
  gap: 12px;
}

.page-contact .ct-faq details{
  border: 2px solid rgba(242,238,223,.22);
  background: rgba(14,42,33,.62);
  transition: border-color .16s ease;
}

.page-contact .ct-faq details[open]{
  border-color: rgba(200,255,61,.55);
}

.page-contact .ct-faq summary{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--bone);
}

.page-contact .ct-faq summary::-webkit-details-marker{
  display: none;
}

.page-contact .ct-faq summary::after{
  content: "+";
  flex: none;
  font-family: var(--mono);
  font-size: 19px;
  font-weight: 400;
  color: var(--lime);
  line-height: 1;
}

.page-contact .ct-faq details[open] summary::after{
  content: "−";
}

.page-contact .ct-faq__body{
  padding: 0 18px 18px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ct-muted);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px){
  .page-contact .ct-info__row{
    grid-template-columns: 120px minmax(0,1fr) auto;
    align-items: center;
  }
}

@media (min-width: 760px){
  .page-contact .ct-channels{
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
  }
  .page-contact .ct-hero__lead{
    font-size: 16px;
  }
}

@media (min-width: 900px){
  .page-contact .ct-collab{
    grid-template-columns: 1.15fr .85fr;
    align-items: start;
  }
  .page-contact .ct-ticket{
    grid-template-columns: .92fr 1.08fr;
  }
  .page-contact .ct-chip{
    padding: 10px 18px;
    font-size: 13.5px;
  }
}

@media (min-width: 1100px){
  .page-contact .ct-channels{
    grid-template-columns: repeat(4, 1fr);
  }
  .page-contact .ct-channel{
    padding: 22px 20px 20px;
  }
}

@media (prefers-reduced-motion: reduce){
  .page-contact .ct-chip,
  .page-contact .ct-channel,
  .page-contact .ct-faq details{
    transition: none;
  }
  .page-contact .ct-chip:hover,
  .page-contact .ct-chip:focus-visible{
    transform: none;
  }
}