.page-contact{
  --ct-line: var(--line);
  --ct-card: rgba(18, 42, 85, .72);
  --ct-void-soft: rgba(6, 16, 36, .62);
  position: relative;
  padding-bottom: 64px;
  color: var(--text);
  background-color: var(--ink-deep);
  background-image:
    repeating-linear-gradient(0deg, rgba(30, 58, 107, .26) 0 1px, transparent 1px 72px),
    repeating-linear-gradient(90deg, rgba(30, 58, 107, .18) 0 1px, transparent 1px 72px),
    radial-gradient(120% 70% at 82% 0%, rgba(61, 224, 208, .10), transparent 60%),
    radial-gradient(90% 60% at 0% 40%, rgba(245, 197, 66, .06), transparent 65%);
}

.page-contact .ct-mono{
  font-family: var(--font-mono);
  letter-spacing: .02em;
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero{
  padding-top: 26px;
  padding-bottom: 8px;
}
.page-contact .ct-hero__grid{
  align-items: start;
  gap: 26px;
}
.page-contact .ct-hero__title{
  margin: 14px 0 16px;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: clamp(30px, 7.2vw, 54px);
  line-height: 1.1;
  letter-spacing: -.02em;
  color: var(--text);
}
.page-contact .ct-hero__lede{
  max-width: 46ch;
  color: var(--muted);
}
.page-contact .ct-hero__actions{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}
.page-contact .ct-hero__figure{
  margin: 0;
  border: 1px solid var(--ct-line);
  background: var(--ink-void);
  position: relative;
}
.page-contact .ct-hero__figure::before,
.page-contact .ct-hero__figure::after{
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  border: 1px solid var(--cyan);
  pointer-events: none;
}
.page-contact .ct-hero__figure::before{
  top: -1px;
  left: -1px;
  border-right: 0;
  border-bottom: 0;
}
.page-contact .ct-hero__figure::after{
  right: -1px;
  bottom: -1px;
  border-left: 0;
  border-top: 0;
  border-color: var(--gold);
}
.page-contact .ct-hero__figure img{
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 7 / 4;
  object-fit: cover;
  max-width: 100%;
}
.page-contact .ct-hero__figure figcaption{
  padding: 10px 14px;
  border-top: 1px solid var(--ct-line);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.7;
  letter-spacing: .06em;
  color: var(--muted);
}

/* ---------- 区块公共头部 ---------- */
.page-contact .ct-sec-head{
  max-width: 70ch;
}
.page-contact .ct-sec-head .section-title{
  margin: 10px 0 12px;
}
.page-contact .ct-sec-head .prose{
  color: var(--muted);
}

/* ---------- 联系渠道卡片 ---------- */
.page-contact .ct-channels{
  margin-top: 30px;
  padding-top: 44px;
  padding-bottom: 44px;
  border-top: 1px solid var(--ct-line);
}
.page-contact .ct-channels__row{
  display: grid;
  gap: 18px;
  margin-top: 28px;
}
.page-contact .ct-channel{
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 20px 18px 22px;
  background: linear-gradient(160deg, var(--ct-card), rgba(9, 21, 45, .94));
  border: 1px solid var(--ct-line);
  border-left: 3px solid var(--ct-line);
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 0 100%);
}
.page-contact .ct-channel--mail{ border-left-color: var(--cyan); }
.page-contact .ct-channel--phone{ border-left-color: var(--gold); }
.page-contact .ct-channel--addr{ border-left-color: var(--muted); }
.page-contact .ct-channel__idx{
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--muted);
}
.page-contact .ct-channel__name{
  margin: 0 0 4px;
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--text);
}
.page-contact .ct-channel__value{
  margin: 12px 0 14px;
  padding: 11px 12px;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.65;
  color: var(--text);
  background: var(--ct-void-soft);
  border: 1px dashed var(--ct-line);
  word-break: break-word;
  user-select: all;
}
.page-contact .ct-channel__desc{
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}
.page-contact .ct-channel__tags{
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0 0;
  padding: 0;
}

/* ---------- 版本号截图 ---------- */
.page-contact .ct-shot{
  padding-top: 44px;
  padding-bottom: 44px;
  border-top: 1px solid var(--ct-line);
}
.page-contact .ct-shot__grid{
  align-items: start;
  gap: 26px;
}
.page-contact .ct-shot__copy .section-title{
  margin: 10px 0 12px;
}
.page-contact .ct-shot__copy .prose{
  color: var(--muted);
}
.page-contact .ct-steps{
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}
.page-contact .ct-step{
  display: flex;
  gap: 14px;
  padding-left: 14px;
  border-left: 1px solid var(--ct-line);
}
.page-contact .ct-step__n{
  flex: 0 0 auto;
  padding-top: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--cyan);
}
.page-contact .ct-step__title{
  margin: 0 0 4px;
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
}
.page-contact .ct-step p{
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}
.page-contact .ct-shot__figure{
  margin: 0;
  border: 1px solid var(--ct-line);
  background: var(--ink-void);
}
.page-contact .ct-shot__figure img{
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}
.page-contact .ct-shot__figure figcaption{
  padding: 10px 14px;
  border-top: 1px solid var(--ct-line);
  font-size: 12px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 反馈类型建议 ---------- */
.page-contact .ct-help{
  padding-top: 44px;
  padding-bottom: 44px;
  border-top: 1px solid var(--ct-line);
}
.page-contact .ct-help__filter{
  margin: 22px 0 0;
}
.page-contact .ct-suggest{
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}
.page-contact .ct-suggest__item{
  padding: 16px 18px 18px;
  background: var(--ct-void-soft);
  border: 1px solid var(--ct-line);
  border-left: 2px solid var(--cyan);
}
.page-contact .ct-suggest__item h3{
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
}
.page-contact .ct-suggest__item p{
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}
.page-contact .ct-suggest__need{
  margin-top: 10px !important;
  font-family: var(--font-mono);
  font-size: 12px !important;
  letter-spacing: .04em;
  color: var(--gold) !important;
}

/* ---------- 服务时段 ---------- */
.page-contact .ct-hours{
  padding-top: 44px;
  padding-bottom: 44px;
  border-top: 1px solid var(--ct-line);
}
.page-contact .ct-hours__grid{
  display: grid;
  gap: 26px;
  margin-top: 24px;
}
.page-contact .ct-hours__track{
  position: relative;
  height: 38px;
  border: 1px solid var(--ct-line);
  background-color: var(--ct-void-soft);
  background-image: repeating-linear-gradient(90deg, rgba(30, 58, 107, .9) 0 1px, transparent 1px 4.1667%);
}
.page-contact .ct-hours__span{
  position: absolute;
  top: 0;
  bottom: 0;
  left: 37.5%;
  width: 37.5%;
  background: linear-gradient(90deg, rgba(61, 224, 208, .78), rgba(245, 197, 66, .52));
  outline: none;
}
.page-contact .ct-hours__span::after{
  content: "工作日 9:00 – 18:00 处理来信";
  position: absolute;
  left: 50%;
  top: -34px;
  transform: translateX(-50%);
  padding: 4px 8px;
  white-space: nowrap;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .04em;
  color: var(--ink-void);
  background: var(--cyan);
  opacity: 0;
  transition: opacity .2s ease;
  pointer-events: none;
}
.page-contact .ct-hours__span:hover::after,
.page-contact .ct-hours__span:focus-visible::after{
  opacity: 1;
}
.page-contact .ct-hours__labels{
  list-style: none;
  display: flex;
  justify-content: space-between;
  margin: 8px 0 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--muted);
}
.page-contact .ct-hours__facts{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}
.page-contact .ct-hours__facts li{
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding-top: 12px;
  border-top: 1px solid var(--ct-line);
}
.page-contact .ct-hours__num{
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 22px;
  color: var(--gold);
}
.page-contact .ct-hours__facts li span:last-child{
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 合作与媒体 ---------- */
.page-contact .ct-partner{
  padding-top: 12px;
  padding-bottom: 44px;
}
.page-contact .ct-partner__panel{
  padding: 24px 20px 26px;
  border: 1px solid var(--ct-line);
  background: linear-gradient(135deg, rgba(18, 42, 85, .62), rgba(6, 16, 36, .28));
}
.page-contact .ct-partner__panel .section-title{
  margin: 10px 0 12px;
}
.page-contact .ct-partner__panel .prose{
  color: var(--muted);
}
.page-contact .ct-partner__list{
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
.page-contact .ct-partner__list li{
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}
.page-contact .ct-partner__list .tag{
  margin-right: 8px;
}
.page-contact .ct-partner__mail{
  margin: 20px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--ct-line);
  font-size: 14px;
  line-height: 1.75;
  color: var(--text);
  word-break: break-word;
}

/* ---------- 属地与备案 ---------- */
.page-contact .ct-legal{
  margin-top: 8px;
  padding: 38px 0;
  border-top: 1px solid var(--ct-line);
  border-bottom: 1px solid var(--ct-line);
  background: linear-gradient(180deg, rgba(6, 16, 36, .88), rgba(11, 27, 58, .52));
}
.page-contact .ct-legal__inner{
  display: grid;
  gap: 24px;
}
.page-contact .ct-legal__left .section-title{
  margin: 10px 0 12px;
}
.page-contact .ct-legal__left .prose{
  color: var(--muted);
}
.page-contact .ct-legal__rows{
  margin: 0;
  display: grid;
  gap: 0;
}
.page-contact .ct-legal__rows > div{
  display: grid;
  gap: 4px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--ct-line);
}
.page-contact .ct-legal__rows dt{
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--muted);
}
.page-contact .ct-legal__rows dd{
  margin: 0;
  font-size: 15px;
  line-height: 1.65;
  color: var(--text);
  word-break: break-word;
}
.page-contact .ct-legal__rows dd.ct-mono{
  color: var(--gold);
}

/* ---------- 教程引导 ---------- */
.page-contact .ct-next{
  padding-top: 40px;
}
.page-contact .ct-next__panel{
  padding: 22px 0 22px 20px;
  border-left: 3px solid var(--gold);
  background: linear-gradient(90deg, rgba(245, 197, 66, .08), transparent 72%);
}
.page-contact .ct-next__panel .section-title{
  margin: 10px 0 12px;
}
.page-contact .ct-next__panel .prose{
  color: var(--muted);
}
.page-contact .ct-next__actions{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

/* ---------- 桌面布局 ---------- */
@media (min-width: 820px){
  .page-contact{
    padding-bottom: 88px;
  }
  .page-contact .ct-hero{
    padding-top: 40px;
    padding-bottom: 16px;
  }
  .page-contact .ct-channels__row{
    grid-template-columns: 1.3fr 1fr .92fr;
    align-items: start;
    gap: 22px;
  }
  .page-contact .ct-channel--phone{
    margin-top: 38px;
  }
  .page-contact .ct-channel--addr{
    margin-top: 82px;
  }
  .page-contact .ct-suggest{
    grid-template-columns: repeat(2, 1fr);
  }
  .page-contact .ct-hours__grid{
    grid-template-columns: 1.6fr 1fr;
    align-items: start;
    gap: 40px;
  }
  .page-contact .ct-legal__inner{
    grid-template-columns: 1.1fr 1fr;
    align-items: start;
    gap: 44px;
  }
  .page-contact .ct-partner__panel{
    padding: 30px 28px 32px;
  }
  .page-contact .ct-next__panel{
    padding-left: 26px;
  }
}

@media (min-width: 1120px){
  .page-contact .ct-hero__lede{
    font-size: 17px;
  }
  .page-contact .ct-channel__value{
    font-size: 15px;
  }
}

@media (prefers-reduced-motion: reduce){
  .page-contact .ct-hours__span::after{
    transition: none;
  }
}
<<<END>>>