.page-contact{
  --cc-gap: clamp(14px, 2.4vw, 24px);
  --cc-pad: clamp(20px, 3.2vw, 34px);
  position: relative;
  padding-bottom: clamp(56px, 9vw, 110px);
  background-image:
    radial-gradient(110% 55% at 10% 0%, rgba(49,232,216,.10), transparent 62%),
    radial-gradient(85% 45% at 92% 8%, rgba(255,94,142,.07), transparent 64%);
  background-repeat: no-repeat;
}

.page-contact .breadcrumb{
  padding-top: clamp(16px, 3vw, 26px);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero{
  padding: clamp(20px, 3.6vw, 38px) 0 clamp(26px, 4.6vw, 54px);
}
.page-contact .contact-hero__inner{
  position: relative;
  max-width: 920px;
  padding-left: clamp(16px, 3vw, 30px);
  border-left: 3px solid var(--cyan);
}
.page-contact .contact-hero__title{
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 6.8vw, 60px);
  line-height: 1.14;
  letter-spacing: -.02em;
  color: var(--paper);
  margin: 12px 0 18px;
  transform: skewX(-2deg);
  transform-origin: left bottom;
}
.page-contact .contact-hero__lede{
  max-width: 62ch;
}
.page-contact .contact-hero__keys{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
}
.page-contact .contact-hero__keys li{
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--mist);
  background: rgba(20, 28, 69, .6);
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  padding: 7px 14px;
}

/* ---------- 两条渠道 ---------- */
.page-contact .contact-channels__grid{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--cc-gap);
  margin-top: clamp(20px, 3.4vw, 34px);
}
.page-contact .channel-card{
  position: relative;
  display: flex;
  flex-direction: column;
  padding: var(--cc-pad);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: linear-gradient(158deg, rgba(29,42,99,.80) 0%, rgba(20,28,69,.94) 60%, rgba(10,15,44,.96) 100%);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.page-contact .channel-card::before{
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--cyan), rgba(49,232,216,0));
}
.page-contact .channel-card--phone::before{
  background: linear-gradient(90deg, var(--gold), rgba(243,180,76,0));
}
.page-contact .channel-card .chip{
  align-self: flex-start;
}
.page-contact .channel-card__title{
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(19px, 3vw, 25px);
  line-height: 1.35;
  color: var(--paper);
  margin: 14px 0 10px;
}
.page-contact .channel-card__value{
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(16px, 3.4vw, 23px);
  letter-spacing: .01em;
  color: var(--gold);
  padding-bottom: 8px;
  margin-bottom: 20px;
  border-bottom: 1px solid rgba(243,180,76,.45);
  word-break: break-all;
}
.page-contact .channel-card__label{
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--mist);
  margin: 0 0 10px;
}
.page-contact .channel-card__list{
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 9px;
}
.page-contact .channel-card__list li{
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--paper);
}
.page-contact .channel-card__list li::before{
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 8px;
  height: 8px;
  background: var(--teal);
  border-radius: 2px;
  transform: rotate(45deg);
}
.page-contact .channel-card__foot{
  margin: auto 0 0;
  padding-top: 16px;
  border-top: 1px dashed var(--line);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 响应时段 ---------- */
.page-contact .window-panel{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--cc-gap);
  margin-top: clamp(20px, 3.4vw, 34px);
}
.page-contact .window-bar{
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-md);
  overflow: hidden;
  background: rgba(10, 15, 44, .72);
}
.page-contact .window-bar__seg{
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  padding: 14px 16px;
  border-top: 1px solid var(--line);
  min-width: 0;
}
.page-contact .window-bar__seg:first-child{
  border-top: 0;
}
.page-contact .window-bar__seg--a,
.page-contact .window-bar__seg--c{
  background: linear-gradient(180deg, rgba(20,28,69,.92), rgba(10,15,44,.92));
}
.page-contact .window-bar__seg--b{
  background: linear-gradient(180deg, rgba(49,232,216,.26), rgba(16,167,154,.10));
}
.page-contact .window-bar__time{
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--mist);
}
.page-contact .window-bar__seg--b .window-bar__time{
  color: var(--cyan);
}
.page-contact .window-bar__note{
  font-size: 12px;
  line-height: 1.65;
  color: var(--mist);
}
.page-contact .window-bar__seg--b .window-bar__note{
  color: var(--paper);
}
.page-contact .media img{
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

/* ---------- 办公地址 ---------- */
.page-contact .office-panel{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--cc-gap);
  margin-top: clamp(20px, 3.4vw, 34px);
}
.page-contact .office-copy p{
  font-size: 16px;
  line-height: 1.85;
  color: var(--paper);
  max-width: 40ch;
}
.page-contact .office-address{
  font-family: var(--font-mono);
  font-size: clamp(15px, 2.6vw, 19px);
  line-height: 1.7;
  color: var(--paper);
  padding: 16px 18px;
  margin: 22px 0 22px;
  border-left: 3px solid var(--gold);
  border-radius: 0 var(--r-md) var(--r-md) 0;
  background: rgba(29, 42, 99, .55);
}
.page-contact .office-note{
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 自查 ---------- */
.page-contact .check-list{
  list-style: none;
  margin: clamp(20px, 3.4vw, 34px) 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
.page-contact .check-list__item{
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 15px 17px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: rgba(20, 28, 69, .62);
}
.page-contact .check-list__num{
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--gold);
  padding-top: 3px;
}
.page-contact .check-list__item p{
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--paper);
}
.page-contact .next-links{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3.2vw, 30px);
}
.page-contact .contact-footnote{
  margin: 20px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--mist);
  max-width: 56ch;
}

/* ---------- 常驻帮助入口 ---------- */
.page-contact .help-float{
  position: fixed;
  right: clamp(12px, 3vw, 28px);
  bottom: clamp(12px, 3vw, 28px);
  z-index: 40;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  max-width: calc(100% - 24px);
  padding: 11px 18px;
  border: 1px solid var(--line-cyan);
  border-radius: var(--r-pill);
  background: rgba(29, 42, 99, .92);
  color: var(--paper);
  font-size: 13.5px;
  line-height: 1.2;
  text-decoration: none;
  box-shadow: var(--shadow);
}
.page-contact .help-float:hover,
.page-contact .help-float:focus-visible{
  border-color: var(--cyan);
  background: rgba(29, 42, 99, 1);
}

/* ---------- 窄屏收敛 ---------- */
@media (max-width: 359px){
  .page-contact .contact-hero__keys li{
    font-size: 11.5px;
    padding: 6px 11px;
  }
  .page-contact .window-bar__time{
    font-size: 11.5px;
  }
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 720px){
  .page-contact .window-bar{
    flex-direction: row;
    min-height: 108px;
  }
  .page-contact .window-bar__seg{
    justify-content: flex-end;
    border-top: 0;
    border-left: 1px solid var(--line);
    padding: 14px 16px 16px;
  }
  .page-contact .window-bar__seg:first-child{
    border-left: 0;
  }
  .page-contact .window-bar__seg--a{
    flex: 375 1 0;
  }
  .page-contact .window-bar__seg--b{
    flex: 375 1 0;
    box-shadow: inset 0 0 0 1px rgba(49,232,216,.22);
  }
  .page-contact .window-bar__seg--c{
    flex: 250 1 0;
  }
  .page-contact .window-bar__note{
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height .32s var(--ease), opacity .24s var(--ease);
  }
  .page-contact .window-bar__seg:hover .window-bar__note,
  .page-contact .window-bar__seg:focus-within .window-bar__note{
    max-height: 90px;
    opacity: 1;
  }
}

@media (min-width: 900px){
  .page-contact .contact-channels__grid{
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    align-items: start;
  }
  .page-contact .channel-card--phone{
    margin-top: clamp(18px, 3vw, 40px);
  }
  .page-contact .window-panel{
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: center;
  }
  .page-contact .office-panel{
    grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
    align-items: center;
  }
  .page-contact .office-copy{
    order: 1;
  }
  .page-contact .office-panel .media{
    order: 2;
  }
}

@media (min-width: 1180px){
  .page-contact .contact-hero{
    padding-top: clamp(30px, 4vw, 54px);
  }
  .page-contact .window-bar{
    min-height: 124px;
  }
}
<<<END>>>