.page-contact{
  --ctc-surface: rgba(19,43,82,.74);
  --ctc-surface-2: rgba(11,30,58,.86);
  --ctc-line-soft: rgba(159,179,204,.20);
  --ctc-line-mid: rgba(159,179,204,.32);
  padding-bottom: clamp(48px,7vw,96px);
}

/* ---------- 首屏 ---------- */
.page-contact .ctc-hero{
  position: relative;
  isolation: isolate;
  padding: clamp(16px,3vw,30px) 0 clamp(28px,4vw,50px);
}
.page-contact .ctc-hero::before{
  content: "";
  position: absolute;
  z-index: -1;
  top: -8%;
  left: -12%;
  right: 34%;
  bottom: 12%;
  border-radius: 42px;
  background: linear-gradient(140deg, rgba(75,58,143,.60), rgba(11,30,58,0) 72%);
  clip-path: polygon(0 0, 100% 14%, 84% 100%, 0 82%);
}
.page-contact .ctc-hero__grid{
  display: grid;
  gap: clamp(22px,3vw,36px);
  align-items: center;
}
@media (min-width: 960px){
  .page-contact .ctc-hero__grid{
    grid-template-columns: 1.05fr .95fr;
  }
}
.page-contact h1{
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -.005em;
  font-size: clamp(29px,6.4vw,62px);
  line-height: 1.07;
  color: var(--porcelain);
  margin: .38em 0 0;
  max-width: 20ch;
}
.page-contact .ctc-hero__lead .lede{
  color: var(--fog);
  margin: clamp(14px,2vw,20px) 0 0;
  max-width: 62ch;
}
.page-contact .ctc-marks{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
  margin: clamp(18px,2.4vw,26px) 0 0;
  padding: 0;
}
.page-contact .ctc-media{
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--ctc-line-mid);
  background: var(--ctc-surface-2);
  transition: border-color .18s var(--ease), transform .18s var(--ease);
}
.page-contact .ctc-media:hover{
  border-color: var(--line-cyan);
  transform: translateY(-2px);
}
.page-contact .ctc-media img,
.page-contact .ctc-place__media img{
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}
.page-contact .ctc-media__cap{
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--fog);
  padding: 10px 14px;
  border-top: 1px solid var(--ctc-line-soft);
  margin: 0;
}

/* ---------- 章节抬头 ---------- */
.page-contact .ctc-section{
  padding: clamp(34px,5vw,66px) 0 0;
}
.page-contact .ctc-head{
  max-width: 76ch;
  margin-bottom: clamp(18px,2.6vw,30px);
}
.page-contact .ctc-head .section__idx{
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--amber);
  margin: 0 0 8px;
}
.page-contact .ctc-head .section__title{
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -.005em;
  font-size: clamp(23px,3.6vw,40px);
  line-height: 1.14;
  color: var(--porcelain);
  margin: 0;
}
.page-contact .ctc-head .lede{
  color: var(--fog);
  margin: .7em 0 0;
  max-width: 58ch;
}

/* ---------- 联络通道 ---------- */
.page-contact .ctc-channels{
  display: grid;
  gap: 18px;
}
@media (min-width: 860px){
  .page-contact .ctc-channels{
    grid-template-columns: 1fr 1fr;
  }
}
.page-contact .ctc-channel{
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: var(--ctc-surface);
  border: 1px solid var(--ctc-line-mid);
  border-radius: var(--r-lg);
  padding: clamp(20px,3vw,32px);
  transition: border-color .18s var(--ease), transform .18s var(--ease), box-shadow .18s var(--ease);
}
.page-contact .ctc-channel:hover,
.page-contact .ctc-channel:focus-within{
  border-color: var(--line-cyan);
  transform: translateY(-2px);
  box-shadow: 0 0 0 1px rgba(47,224,208,.16);
}
.page-contact .ctc-channel__tag{
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--fog);
  margin: 0;
}
.page-contact .ctc-channel__name{
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  color: var(--porcelain);
  margin: 0;
}
.page-contact .ctc-channel__value{
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(18px,3.4vw,29px);
  line-height: 1.28;
  letter-spacing: .01em;
  color: var(--porcelain);
  text-shadow: 0 0 16px rgba(47,224,208,.34);
  overflow-wrap: anywhere;
  word-break: break-word;
  margin: 0;
}
.page-contact .ctc-channel__body{
  color: var(--fog);
  font-size: 15.5px;
  line-height: 1.8;
  margin: 0;
}
.page-contact .ctc-channel__tags{
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: auto 0 0;
  padding: 8px 0 0;
}

/* ---------- 值守时段 ---------- */
.page-contact .ctc-roster{
  background: var(--ctc-surface);
  border: 1px solid var(--ctc-line-mid);
  border-radius: var(--r-lg);
  padding: clamp(20px,3vw,34px);
}
.page-contact .ctc-scale__track{
  position: relative;
  height: 14px;
  border-radius: var(--r-pill);
  background: rgba(59,78,107,.42);
  border: 1px solid var(--ctc-line-soft);
  overflow: hidden;
}
.page-contact .ctc-scale__fill{
  position: absolute;
  top: 0;
  bottom: 0;
  left: 37.5%;
  right: 25%;
  background: linear-gradient(90deg, var(--cyan), rgba(47,224,208,.30));
}
.page-contact .ctc-scale__peak{
  position: absolute;
  top: 0;
  bottom: 0;
  left: 79.2%;
  right: 0;
  background: linear-gradient(90deg, rgba(255,154,60,.90), rgba(255,154,60,.24));
}
.page-contact .ctc-scale__ticks{
  display: flex;
  justify-content: space-between;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--fog);
}
.page-contact .ctc-scale__key{
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  margin-top: 14px;
  font-size: 13.5px;
  color: var(--fog);
}
.page-contact .ctc-scale__key span{
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.page-contact .ctc-dot{
  width: 10px;
  height: 10px;
  border-radius: 3px;
  display: inline-block;
}
.page-contact .ctc-dot--cyan{ background: var(--cyan); }
.page-contact .ctc-dot--amber{ background: var(--amber); }
.page-contact .ctc-roster__cols{
  display: grid;
  gap: 20px;
  margin-top: clamp(22px,3vw,32px);
  padding-top: clamp(18px,2.4vw,26px);
  border-top: 1px dashed var(--ctc-line-soft);
}
@media (min-width: 820px){
  .page-contact .ctc-roster__cols{
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}
.page-contact .ctc-roster__h{
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  color: var(--porcelain);
  margin: 0 0 8px;
}
.page-contact .ctc-roster__cols p{
  margin: 0;
  color: var(--fog);
  font-size: 15px;
  line-height: 1.82;
}

/* ---------- 邮件清单 ---------- */
.page-contact .ctc-checklist{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
  counter-reset: ctc;
}
@media (min-width: 820px){
  .page-contact .ctc-checklist{
    grid-template-columns: 1fr 1fr;
  }
}
.page-contact .ctc-checklist li{
  position: relative;
  counter-increment: ctc;
  padding: 18px 18px 18px 58px;
  background: var(--ctc-surface-2);
  border: 1px solid var(--ctc-line-soft);
  border-radius: var(--r-md);
  color: var(--fog);
  font-size: 15px;
  line-height: 1.78;
  transition: border-color .18s var(--ease), transform .18s var(--ease);
}
.page-contact .ctc-checklist li:hover{
  border-color: var(--line-neon);
  transform: translateY(-2px);
}
.page-contact .ctc-checklist li::before{
  content: counter(ctc, decimal-leading-zero);
  position: absolute;
  left: 18px;
  top: 19px;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--neon);
  letter-spacing: .04em;
}
.page-contact .ctc-checklist strong{
  color: var(--porcelain);
  font-weight: 600;
}

/* ---------- 纠错 / 建议 / 合作 ---------- */
.page-contact .ctc-topics{
  display: grid;
  gap: 18px;
}
@media (min-width: 860px){
  .page-contact .ctc-topics{
    grid-template-columns: repeat(3, 1fr);
  }
}
.page-contact .ctc-topic{
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: var(--ctc-surface);
  border: 1px solid var(--ctc-line-mid);
  border-radius: var(--r-lg);
  padding: clamp(18px,2.6vw,26px);
  transition: border-color .18s var(--ease), transform .18s var(--ease);
}
.page-contact .ctc-topic:hover{
  border-color: var(--line-amber);
  transform: translateY(-2px);
}
.page-contact .ctc-topic__subject{
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--amber);
  margin: 0;
}
.page-contact .ctc-topic h3{
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  line-height: 1.35;
  color: var(--porcelain);
  margin: 0;
}
.page-contact .ctc-topic p{
  margin: 0;
  color: var(--fog);
  font-size: 15px;
  line-height: 1.8;
}

/* ---------- 运营所在地 ---------- */
.page-contact .ctc-place{
  display: grid;
  gap: 24px;
}
@media (min-width: 960px){
  .page-contact .ctc-place{
    grid-template-columns: 1.05fr .95fr;
    align-items: center;
  }
}
.page-contact .ctc-place__row{
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  padding: 14px 0;
  border-bottom: 1px dashed var(--ctc-line-soft);
}
.page-contact .ctc-place__label{
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--fog);
  align-self: center;
  min-width: 76px;
}
.page-contact .ctc-place__value{
  color: var(--porcelain);
  font-size: 15.5px;
  line-height: 1.7;
}
.page-contact .ctc-place__value.mono{
  font-family: var(--font-mono);
  letter-spacing: .04em;
}
.page-contact .ctc-stats{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin: clamp(20px,3vw,28px) 0 0;
}
.page-contact .ctc-stat{
  background: var(--ctc-surface-2);
  border: 1px solid var(--ctc-line-soft);
  border-radius: var(--r-md);
  padding: 14px 12px;
}
.page-contact .ctc-stat__num{
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(22px,3.4vw,32px);
  line-height: 1.1;
  color: var(--porcelain);
  text-shadow: 0 0 14px rgba(47,224,208,.30);
  margin: 0;
}
.page-contact .ctc-stat__label{
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--fog);
  margin: 6px 0 0;
  line-height: 1.5;
}
.page-contact .ctc-place__note{
  margin: clamp(18px,2.6vw,24px) 0 0;
  color: var(--fog);
  font-size: 15px;
  line-height: 1.82;
}
.page-contact .ctc-place__media{
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--ctc-line-mid);
  background: var(--ctc-surface-2);
  transition: border-color .18s var(--ease), transform .18s var(--ease);
}
.page-contact .ctc-place__media:hover{
  border-color: var(--line-cyan);
  transform: translateY(-2px);
}

/* ---------- 站内快捷入口 ---------- */
.page-contact .ctc-links{
  display: grid;
  gap: 12px;
}
@media (min-width: 720px){
  .page-contact .ctc-links{
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 1100px){
  .page-contact .ctc-links{
    grid-template-columns: repeat(3, 1fr);
  }
}
.page-contact .ctc-link{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 18px;
  border: 1px solid var(--ctc-line-soft);
  border-radius: var(--r-md);
  background: var(--ctc-surface-2);
  color: var(--porcelain);
  text-decoration: none;
  transition: border-color .18s var(--ease), transform .18s var(--ease), color .18s var(--ease);
}
.page-contact .ctc-link:hover,
.page-contact .ctc-link:focus-visible{
  border-color: var(--line-cyan);
  transform: translateY(-2px);
  color: var(--cyan);
  outline: none;
}
.page-contact .ctc-link strong{
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16.5px;
  margin-bottom: 4px;
}
.page-contact .ctc-link small{
  display: block;
  color: var(--fog);
  font-size: 13px;
  line-height: 1.6;
}
.page-contact .ctc-link__arrow{
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--cyan);
  flex: 0 0 auto;
}

@media (max-width: 560px){
  .page-contact .ctc-stats{
    grid-template-columns: 1fr 1fr;
  }
  .page-contact .ctc-hero::before{
    right: 8%;
    bottom: 30%;
    opacity: .7;
  }
}

@media (prefers-reduced-motion: reduce){
  .page-contact .ctc-media,
  .page-contact .ctc-channel,
  .page-contact .ctc-checklist li,
  .page-contact .ctc-topic,
  .page-contact .ctc-place__media,
  .page-contact .ctc-link{
    transition: none;
  }
  .page-contact .ctc-media:hover,
  .page-contact .ctc-channel:hover,
  .page-contact .ctc-channel:focus-within,
  .page-contact .ctc-checklist li:hover,
  .page-contact .ctc-topic:hover,
  .page-contact .ctc-place__media:hover,
  .page-contact .ctc-link:hover,
  .page-contact .ctc-link:focus-visible{
    transform: none;
  }
}