.page-contact{
  --ct-main-max:42rem;
  --ct-strip:rgba(20,16,51,.52);
}

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

/* 首屏 */
.page-contact .ct-hero{
  position:relative;
  overflow:hidden;
  padding:clamp(26px,4.5vw,50px) 0 clamp(34px,5.5vw,64px);
  background:
    radial-gradient(120% 90% at 8% 0%,rgba(47,232,213,.11),transparent 58%),
    radial-gradient(95% 80% at 94% 8%,rgba(255,63,158,.11),transparent 62%);
}
.page-contact .ct-hero::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background-image:repeating-linear-gradient(90deg,rgba(154,150,196,.12) 0 1px,transparent 1px 96px);
  opacity:.35;
}
.page-contact .ct-hero > .wrap{
  position:relative;
  z-index:1;
}
.page-contact .ct-hero__kicker{
  margin:0 0 16px;
  font-size:.75rem;
  letter-spacing:.2em;
  color:var(--mist);
  display:flex;
  align-items:center;
  gap:10px;
}
.page-contact .ct-hero__kicker::before{
  content:"";
  width:34px;
  height:2px;
  background:var(--cyan);
  flex:0 0 auto;
}
.page-contact .ct-hero__title{
  margin:0 0 18px;
  max-width:24ch;
  font-family:var(--ff-display);
  font-weight:900;
  font-size:clamp(2rem,6vw,3.4rem);
  line-height:1.14;
  letter-spacing:.01em;
  color:var(--white);
}
.page-contact .ct-hero__lead{
  max-width:46ch;
  margin:0;
  font-size:.9375rem;
  line-height:1.9;
  color:rgba(246,244,255,.78);
}
.page-contact .ct-hero__figure{
  position:relative;
  margin:clamp(24px,4vw,42px) 0 0;
  border:1px solid var(--line);
  background:var(--ct-strip);
}
.page-contact .ct-hero__figure::before{
  content:"";
  position:absolute;
  top:-1px;
  left:-1px;
  width:44px;
  height:4px;
  background:var(--cyan);
  z-index:2;
}
.page-contact .ct-hero__figure img{
  display:block;
  width:100%;
  height:auto;
  object-fit:cover;
}

/* 双列：正文窄栏 + 旁注带 */
.page-contact .ct-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:clamp(26px,4vw,48px);
  padding-top:clamp(30px,5vw,56px);
  padding-bottom:clamp(56px,8vw,110px);
}
.page-contact .ct-main{
  min-width:0;
}
.page-contact .ct-sec{
  padding-top:clamp(34px,5vw,60px);
}
.page-contact .ct-sec:first-child{
  padding-top:0;
}
.page-contact .ct-sec__lead{
  margin:14px 0 0;
  max-width:38rem;
  font-size:.9375rem;
  line-height:1.85;
  color:rgba(246,244,255,.72);
}
.page-contact .ct-sec--rule::before,
.page-contact .ct-sec--pink::before{
  content:"";
  display:block;
  height:1px;
  margin-bottom:clamp(24px,3.5vw,40px);
}
.page-contact .ct-sec--rule::before{
  background:linear-gradient(90deg,var(--cyan),rgba(47,232,213,0));
}
.page-contact .ct-sec--pink::before{
  background:linear-gradient(90deg,var(--pink),rgba(255,63,158,0));
}

/* 01 渠道卡 */
.page-contact .ct-cards{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:14px;
  margin-top:24px;
}
.page-contact .ct-card{
  position:relative;
  overflow:hidden;
  padding:22px 20px 20px;
  border:1px solid var(--line);
  background:linear-gradient(168deg,rgba(29,24,66,.9),rgba(10,8,32,.55));
  transition:transform .26s ease,border-color .26s ease;
}
.page-contact .ct-card::before{
  content:"";
  position:absolute;
  left:0;
  top:0;
  bottom:0;
  width:2px;
  background:var(--cyan);
  transform:scaleY(0);
  transform-origin:top;
  transition:transform .3s ease;
}
.page-contact .ct-card:hover,
.page-contact .ct-card:focus-within{
  transform:translateY(-2px);
  border-color:rgba(47,232,213,.42);
}
.page-contact .ct-card:hover::before,
.page-contact .ct-card:focus-within::before{
  transform:scaleY(1);
}
.page-contact .ct-card__tag{
  display:inline-block;
  margin-bottom:14px;
  padding:2px 7px;
  font-size:.6875rem;
  letter-spacing:.16em;
  color:var(--cyan);
  border:1px solid rgba(47,232,213,.36);
}
.page-contact .ct-card__name{
  margin:0 0 12px;
  font-size:1.0625rem;
  font-weight:700;
  color:var(--white);
  letter-spacing:.02em;
}
.page-contact .ct-card__fit,
.page-contact .ct-card__alt{
  margin:0 0 10px;
  font-size:.875rem;
  line-height:1.75;
  color:rgba(246,244,255,.7);
  transition:color .26s ease;
}
.page-contact .ct-card__fit b{
  color:var(--cyan);
  font-weight:600;
}
.page-contact .ct-card__alt{
  font-size:.8125rem;
  color:var(--mist);
}
.page-contact .ct-card__alt b{
  color:rgba(154,150,196,.9);
  font-weight:600;
}
.page-contact .ct-card:hover .ct-card__fit{
  color:rgba(246,244,255,.95);
}
.page-contact .ct-card__val{
  margin:14px 0 0;
  padding-top:12px;
  border-top:1px dashed var(--line-soft);
  font-size:.8125rem;
  line-height:1.6;
  color:var(--mist);
  word-break:break-all;
}
.page-contact .ct-card__link{
  display:inline-block;
  margin-top:12px;
  font-size:.8125rem;
  color:var(--cyan);
  text-decoration:none;
  border-bottom:1px solid rgba(47,232,213,.4);
  transition:color .2s ease,border-color .2s ease;
}
.page-contact .ct-card__link:hover{
  color:var(--white);
  border-bottom-color:var(--white);
}

/* 02 提交准备 */
.page-contact .ct-prep{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:clamp(20px,3vw,32px);
  margin-top:6px;
}
.page-contact .ct-checklist{
  list-style:none;
  margin:18px 0 0;
  padding:0;
  border-top:1px dashed var(--line-soft);
}
.page-contact .ct-check{
  display:flex;
  gap:12px;
  padding:14px 0;
  border-bottom:1px dashed var(--line-soft);
}
.page-contact .ct-check__box{
  flex:0 0 auto;
  width:18px;
  height:18px;
  margin:3px 0 0;
  appearance:none;
  -webkit-appearance:none;
  border:1.5px solid var(--line-strong);
  border-radius:2px;
  background:transparent;
  cursor:pointer;
  position:relative;
  transition:border-color .2s ease,background .2s ease;
}
.page-contact .ct-check__box:checked{
  border-color:var(--cyan);
  background:rgba(47,232,213,.14);
}
.page-contact .ct-check__box:checked::after{
  content:"";
  position:absolute;
  left:5px;
  top:1px;
  width:6px;
  height:11px;
  border-right:1.5px solid var(--cyan);
  border-bottom:1.5px solid var(--cyan);
  transform:rotate(40deg);
}
.page-contact .ct-check__box:focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:2px;
}
.page-contact .ct-check__label{
  display:flex;
  gap:10px;
  cursor:pointer;
  font-size:.9rem;
  line-height:1.72;
  color:rgba(246,244,255,.72);
  transition:color .2s ease;
}
.page-contact .ct-check__label b{
  color:var(--white);
  font-weight:600;
}
.page-contact .ct-check__idx{
  flex:0 0 auto;
  padding-top:2px;
  font-size:.75rem;
  color:var(--mist);
}
.page-contact .ct-check:has(.ct-check__box:checked) .ct-check__label{
  color:rgba(246,244,255,.94);
}
.page-contact .ct-meter{
  margin-top:20px;
}
.page-contact .ct-meter__label{
  font-size:.75rem;
  letter-spacing:.14em;
  color:var(--mist);
}
.page-contact .ct-meter__track{
  height:4px;
  margin:8px 0 10px;
  background:rgba(154,150,196,.18);
  overflow:hidden;
}
.page-contact .ct-meter__fill{
  display:block;
  width:0;
  height:100%;
  background:linear-gradient(90deg,var(--cyan),var(--pink));
  transition:width .32s ease;
}
.page-contact .ct-meter__note{
  margin:0;
  font-size:.8125rem;
  line-height:1.7;
  color:var(--mist);
}
.page-contact .ct-prep:has(#prep-1:checked) .ct-meter__fill{width:25%;}
.page-contact .ct-prep:has(#prep-1:checked):has(#prep-2:checked) .ct-meter__fill{width:50%;}
.page-contact .ct-prep:has(#prep-1:checked):has(#prep-2:checked):has(#prep-3:checked) .ct-meter__fill{width:75%;}
.page-contact .ct-prep:has(#prep-1:checked):has(#prep-2:checked):has(#prep-3:checked):has(#prep-4:checked) .ct-meter__fill{width:100%;}

.page-contact .ct-prep__figure{
  margin:0;
  border:1px solid var(--line);
  background:var(--ct-strip);
}
.page-contact .ct-prep__figure img{
  display:block;
  width:100%;
  height:auto;
  object-fit:cover;
}
.page-contact .ct-prep__cap{
  padding:10px 12px;
  border-top:1px solid var(--line-soft);
  line-height:1.65;
}

/* 03 合作对接 */
.page-contact .ct-partner{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:clamp(20px,3vw,34px);
  margin-top:22px;
}
.page-contact .ct-partner__text p{
  margin:0 0 14px;
  font-size:.9375rem;
  line-height:1.85;
  color:rgba(246,244,255,.76);
}
.page-contact .ct-partner__text .btn{
  margin-top:4px;
}
.page-contact .ct-ways{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:12px;
}
.page-contact .ct-way{
  display:flex;
  gap:12px;
  padding:16px;
  border:1px solid var(--line);
  background:var(--ct-strip);
  transition:border-color .24s ease;
}
.page-contact .ct-way:hover{
  border-color:rgba(255,63,158,.45);
}
.page-contact .ct-way__no{
  flex:0 0 auto;
  font-size:.8125rem;
  color:var(--pink);
  letter-spacing:.08em;
}
.page-contact .ct-way h3{
  margin:0 0 6px;
  font-size:.9375rem;
  color:var(--white);
  font-weight:600;
}
.page-contact .ct-way p{
  margin:0;
  font-size:.8125rem;
  line-height:1.7;
  color:var(--mist);
}
.page-contact .ct-partner__mail{
  margin:18px 0 0;
  padding-left:10px;
  border-left:2px solid var(--pink);
  font-size:.8125rem;
  color:var(--mist);
  word-break:break-all;
}

/* 04 响应节奏 */
.page-contact .ct-hours{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:1px;
  margin-top:22px;
  background:var(--line-soft);
  border:1px solid var(--line-soft);
}
.page-contact .ct-hour{
  display:grid;
  gap:6px;
  align-content:start;
  padding:18px 16px;
  background:rgba(20,16,51,.86);
}
.page-contact .ct-hour__num{
  font-size:1.0625rem;
  letter-spacing:.03em;
  color:var(--cyan);
  word-break:break-all;
}
.page-contact .ct-hour__cap{
  font-size:.8125rem;
  line-height:1.65;
  color:var(--mist);
}

/* 05 联系信息纸面 */
.page-contact .ct-info{
  padding:clamp(22px,4vw,36px);
}
.page-contact .ct-info__title{
  margin:0 0 10px;
  font-family:var(--ff-display);
  font-weight:800;
  font-size:1.375rem;
  letter-spacing:.02em;
  color:var(--paper-ink);
}
.page-contact .ct-info__note{
  margin:0 0 18px;
  font-size:.875rem;
  line-height:1.8;
  color:rgba(25,21,51,.75);
}
.page-contact .ct-info__list{
  margin:0;
}
.page-contact .ct-info__row{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:3px;
  padding:12px 0;
  border-top:1px solid rgba(25,21,51,.18);
}
.page-contact .ct-info__row dt{
  font-size:.8125rem;
  letter-spacing:.06em;
  color:rgba(25,21,51,.6);
}
.page-contact .ct-info__row dd{
  margin:0;
  font-size:.9375rem;
  line-height:1.7;
  color:var(--paper-ink);
  word-break:break-word;
}
.page-contact .ct-info__row dd .t-mono{
  letter-spacing:.02em;
}
.page-contact .ct-info__link{
  margin:16px 0 0;
  font-size:.8125rem;
}
.page-contact .ct-info__link a{
  color:var(--paper-ink);
  text-decoration:none;
  border-bottom:1px solid rgba(25,21,51,.42);
}
.page-contact .ct-info__link a:hover{
  border-bottom-color:var(--paper-ink);
}

/* 旁注带 */
.page-contact .ct-aside{
  display:grid;
  gap:14px;
  align-content:start;
  min-width:0;
}
.page-contact .ct-aside__block{
  padding:14px 14px 12px;
  border:1px solid var(--line);
  border-left:2px solid var(--cyan);
  background:var(--ct-strip);
}
.page-contact .ct-aside__label{
  margin:0 0 6px;
  font-size:.6875rem;
  letter-spacing:.16em;
  color:var(--mist);
}
.page-contact .ct-aside__big{
  margin:0;
  font-family:var(--ff-mono);
  font-size:1.0625rem;
  letter-spacing:.02em;
  color:var(--white);
}
.page-contact .ct-aside__sub{
  margin:5px 0 0;
  font-size:.75rem;
  line-height:1.6;
  color:var(--mist);
}
.page-contact .ct-aside__links{
  display:grid;
  gap:2px;
  padding:14px;
  border:1px solid var(--line-soft);
}
.page-contact .ct-aside__links .ct-aside__label{
  margin-bottom:8px;
}
.page-contact .ct-aside__links a{
  padding:5px 0;
  font-size:.8125rem;
  color:var(--mist);
  text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color .2s ease,border-color .2s ease;
}
.page-contact .ct-aside__links a:hover{
  color:var(--cyan);
  border-bottom-color:rgba(47,232,213,.42);
}

/* 窄屏到宽屏 */
@media (min-width:560px){
  .page-contact .ct-info__row{
    grid-template-columns:7rem minmax(0,1fr);
    gap:14px;
    align-items:baseline;
  }
}

@media (min-width:720px){
  .page-contact .ct-hours{
    grid-template-columns:repeat(3,minmax(0,1fr));
  }
}

@media (min-width:760px){
  .page-contact .ct-cards{
    grid-template-columns:repeat(3,minmax(0,1fr));
    gap:16px;
  }
}

@media (min-width:860px){
  .page-contact .ct-prep{
    grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);
    align-items:start;
  }
  .page-contact .ct-partner{
    grid-template-columns:minmax(0,1fr) minmax(0,.92fr);
    align-items:start;
  }
}

@media (min-width:900px){
  .page-contact .ct-layout{
    grid-template-columns:minmax(0,var(--ct-main-max)) 15.5rem;
    justify-content:space-between;
    gap:clamp(30px,4vw,64px);
  }
  .page-contact .ct-aside{
    position:sticky;
    top:calc(var(--topbar-h) + 24px);
  }
}

@media (prefers-reduced-motion:reduce){
  .page-contact .ct-card,
  .page-contact .ct-card::before,
  .page-contact .ct-meter__fill,
  .page-contact .ct-check__box,
  .page-contact .ct-way{
    transition:none;
  }
  .page-contact .ct-card:hover,
  .page-contact .ct-card:focus-within{
    transform:none;
  }
}
<<<END>>>