.page-contact{
  --pc-ink:#12161A;
  --pc-ink-soft:#43566A;
  --pc-line:rgba(18,22,26,.16);
  --pc-line-faint:rgba(18,22,26,.08);
  --pc-card:#1E252B;
  background:var(--paper);
  color:var(--pc-ink);
  overflow-x:hidden;
}

.page-contact .section-head{
  max-width:640px;
}

.page-contact .section-head__index{
  margin:0;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--read-orange);
}

.page-contact .section-head__index--light{
  color:var(--blaze-orange);
}

.page-contact .section-head__title{
  margin:10px 0 0;
  font-size:clamp(26px,4.6vw,44px);
  line-height:1.12;
  font-weight:900;
  letter-spacing:-.01em;
  color:var(--pc-ink);
}

.page-contact .section-head--dark .section-head__title{
  color:var(--ink-strong);
}

.page-contact .section-head__lead{
  margin:14px 0 0;
  font-size:16px;
  line-height:1.8;
  color:var(--pc-ink-soft);
}

.page-contact .section-head--dark .section-head__lead{
  color:var(--ink-base);
}

/* ---------- hero ---------- */
.page-contact .contact-hero{
  position:relative;
  isolation:isolate;
  overflow:hidden;
  background:var(--charcoal);
  color:var(--ink-strong);
  padding:16px 0 44px;
}

.page-contact .contact-hero__media{
  position:absolute;
  inset:0;
  z-index:0;
}

.page-contact .contact-hero__media img{
  width:100%;
  height:100%;
  object-fit:cover;
  opacity:.34;
}

.page-contact .contact-hero::after{
  content:"";
  position:absolute;
  inset:0;
  z-index:1;
  background:
    repeating-linear-gradient(115deg, rgba(195,210,222,.055) 0 1px, transparent 1px 42px),
    linear-gradient(100deg, rgba(18,22,26,.96) 32%, rgba(18,22,26,.62) 66%, rgba(31,75,63,.6));
}

.page-contact .contact-hero__inner{
  position:relative;
  z-index:2;
}

.page-contact .contact-hero .breadcrumb__link,
.page-contact .contact-hero .breadcrumb__item{
  color:var(--ink-muted);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.1em;
}

.page-contact .contact-hero .breadcrumb__link:hover{
  color:var(--blaze-orange);
}

.page-contact .contact-hero__kicker{
  display:flex;
  align-items:center;
  gap:8px;
  margin:22px 0 0;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.16em;
  color:var(--mint);
}

.page-contact .contact-hero__dot{
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--pulse-orange);
  box-shadow:0 0 0 4px rgba(255,90,31,.18);
}

.page-contact .contact-hero__grid{
  display:grid;
  gap:26px;
  margin-top:14px;
}

.page-contact .contact-hero__title{
  margin:0;
  font-size:clamp(34px,7.6vw,72px);
  line-height:1.06;
  font-weight:900;
  letter-spacing:-.015em;
  color:var(--ink-strong);
}

.page-contact .contact-hero__title span{
  color:var(--pulse-orange);
}

.page-contact .contact-hero__lead{
  margin:18px 0 0;
  max-width:52ch;
  font-size:16px;
  line-height:1.85;
  color:var(--ink-base);
  overflow-wrap:break-word;
}

.page-contact .contact-hero__meta{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:1px;
  background:var(--line-soft);
  border-top:1px solid var(--line-soft);
  border-bottom:1px solid var(--line-soft);
}

.page-contact .contact-hero__meta li{
  display:flex;
  flex-direction:column;
  gap:4px;
  padding:12px 0 12px 14px;
  background:rgba(18,22,26,.72);
  border-left:3px solid var(--pulse-orange);
}

.page-contact .contact-hero__meta li:nth-child(2){
  border-left-color:var(--steel);
}

.page-contact .contact-hero__meta li:nth-child(3){
  border-left-color:var(--moss-bright);
}

.page-contact .contact-hero__meta-key{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.14em;
  color:var(--ink-muted);
}

.page-contact .contact-hero__meta strong{
  font-size:17px;
  font-weight:700;
  color:var(--ink-strong);
}

/* ---------- 三条通道 ---------- */
.page-contact .channels{
  background:var(--paper);
  padding:52px 0 56px;
}

.page-contact .channels__grid{
  display:grid;
  gap:22px;
  margin-top:30px;
}

.page-contact .channels__cards{
  display:grid;
  gap:14px;
}

.page-contact .channel-card{
  position:relative;
  display:flex;
  flex-direction:column;
  gap:10px;
  padding:26px 22px 28px;
  background:linear-gradient(158deg, var(--pc-card) 0%, #14191E 100%);
  color:var(--ink-strong);
  transition:transform .3s ease;
}

.page-contact .channel-card:hover{
  transform:translateY(-3px);
}

.page-contact .channel-card--mail{
  clip-path:polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

.page-contact .channel-card--phone{
  clip-path:polygon(18px 0, 100% 0, 100% 100%, 0 100%, 0 18px);
}

.page-contact .channel-card--addr{
  clip-path:polygon(0 0, calc(100% - 26px) 0, 100% 26px, 100% 100%, 0 100%);
}

.page-contact .channel-card::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:4px;
  background:var(--pulse-orange);
}

.page-contact .channel-card--phone::before{
  background:var(--steel);
}

.page-contact .channel-card--addr::before{
  background:var(--moss-bright);
}

.page-contact .channel-card__tag{
  margin:0;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.2em;
  color:var(--ink-dim);
}

.page-contact .channel-card__label{
  margin:0;
  font-size:15px;
  font-weight:700;
  letter-spacing:.04em;
  color:var(--ink-muted);
}

.page-contact .channel-card__value{
  margin:0;
  font-size:19px;
  line-height:1.35;
  font-weight:800;
  color:var(--ink-strong);
  overflow-wrap:break-word;
  word-break:break-word;
}

.page-contact .channel-card--mail .channel-card__value{
  font-family:var(--font-mono);
  font-size:15px;
  letter-spacing:-.01em;
  color:var(--blaze-orange);
}

.page-contact .channel-card--phone .channel-card__value{
  font-family:var(--font-num);
  font-size:32px;
  letter-spacing:.02em;
  color:var(--ink-strong);
}

.page-contact .channel-card__note{
  margin:auto 0 0;
  font-size:14px;
  line-height:1.72;
  color:var(--ink-base);
}

.page-contact .channels__aside{
  display:grid;
  gap:16px;
  align-content:start;
}

.page-contact .checklist{
  background:#FFFFFF;
  border:1px solid var(--pc-line);
  border-top:3px solid var(--pulse-orange);
  padding:22px 18px 24px;
  clip-path:polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}

.page-contact .checklist__title{
  margin:0;
  font-size:19px;
  font-weight:900;
  color:var(--pc-ink);
}

.page-contact .checklist__hint{
  margin:8px 0 16px;
  font-size:13px;
  line-height:1.7;
  color:var(--pc-ink-soft);
}

.page-contact .checklist__list{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:12px;
}

.page-contact .checklist__item{
  display:grid;
  grid-template-columns:30px 1fr;
  gap:10px;
  align-items:start;
  padding-bottom:12px;
  border-bottom:1px dashed var(--pc-line-faint);
}

.page-contact .checklist__item:last-child{
  padding-bottom:0;
  border-bottom:0;
}

.page-contact .checklist__num{
  font-family:var(--font-mono);
  font-size:12px;
  line-height:1.6;
  letter-spacing:.08em;
  color:var(--read-orange);
}

.page-contact .checklist__text{
  font-size:14px;
  line-height:1.72;
  color:var(--pc-ink-soft);
}

.page-contact .checklist__text strong{
  display:block;
  font-size:14px;
  font-weight:700;
  color:var(--pc-ink);
}

.page-contact .channels__figure{
  margin:0;
}

/* ---------- 分流 ---------- */
.page-contact .types{
  position:relative;
  background:var(--charcoal);
  color:var(--ink-strong);
  padding:52px 0 56px;
  overflow:hidden;
}

.page-contact .types::before{
  content:"";
  position:absolute;
  inset:0;
  background:repeating-linear-gradient(115deg, rgba(195,210,222,.045) 0 1px, transparent 1px 48px);
  pointer-events:none;
}

.page-contact .types .container{
  position:relative;
  z-index:1;
}

.page-contact .types__switch{
  position:relative;
  margin-top:28px;
}

.page-contact .types__radio{
  position:absolute;
  width:1px;
  height:1px;
  opacity:0;
  clip-path:inset(50%);
  pointer-events:none;
}

.page-contact .types__tabs{
  display:flex;
  gap:8px;
  overflow-x:auto;
  padding-bottom:6px;
  scrollbar-width:thin;
}

.page-contact .types__tab{
  flex:0 0 auto;
  padding:11px 18px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.12em;
  color:var(--ink-base);
  border:1px solid var(--line-soft);
  background:rgba(30,37,43,.7);
  cursor:pointer;
  clip-path:polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
  transition:color .24s ease, background-color .24s ease, border-color .24s ease;
}

.page-contact .types__tab:hover{
  color:var(--ink-strong);
  border-color:var(--pulse-orange);
}

.page-contact #pc-type-coop:checked ~ .types__tabs .types__tab[for="pc-type-coop"],
.page-contact #pc-type-fix:checked ~ .types__tabs .types__tab[for="pc-type-fix"],
.page-contact #pc-type-media:checked ~ .types__tabs .types__tab[for="pc-type-media"],
.page-contact #pc-type-zone:checked ~ .types__tabs .types__tab[for="pc-type-zone"]{
  background:var(--pulse-orange);
  border-color:var(--pulse-orange);
  color:#12161A;
  font-weight:700;
}

.page-contact #pc-type-coop:focus-visible ~ .types__tabs .types__tab[for="pc-type-coop"],
.page-contact #pc-type-fix:focus-visible ~ .types__tabs .types__tab[for="pc-type-fix"],
.page-contact #pc-type-media:focus-visible ~ .types__tabs .types__tab[for="pc-type-media"],
.page-contact #pc-type-zone:focus-visible ~ .types__tabs .types__tab[for="pc-type-zone"]{
  outline:2px solid var(--mint);
  outline-offset:2px;
}

.page-contact .types__panels{
  margin-top:18px;
}

.page-contact .types__panel{
  display:none;
  padding:24px 20px;
  background:rgba(30,37,43,.86);
  border-left:3px solid var(--pulse-orange);
  clip-path:polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
}

.page-contact .types__panel--fix{
  border-left-color:var(--moss-bright);
}

.page-contact .types__panel--media{
  border-left-color:var(--steel);
}

.page-contact .types__panel--zone{
  border-left-color:var(--mint);
}

.page-contact #pc-type-coop:checked ~ .types__panels .types__panel--coop,
.page-contact #pc-type-fix:checked ~ .types__panels .types__panel--fix,
.page-contact #pc-type-media:checked ~ .types__panels .types__panel--media,
.page-contact #pc-type-zone:checked ~ .types__panels .types__panel--zone{
  display:block;
}

.page-contact .types__panel-title{
  margin:0;
  font-size:20px;
  font-weight:900;
  color:var(--ink-strong);
}

.page-contact .types__panel-desc{
  margin:10px 0 0;
  font-size:15px;
  line-height:1.8;
  color:var(--ink-base);
}

.page-contact .types__panel-note{
  margin:14px 0 0;
  padding-top:12px;
  border-top:1px dashed var(--line-soft);
  font-family:var(--font-mono);
  font-size:12px;
  line-height:1.75;
  letter-spacing:.02em;
  color:var(--mint);
}

/* ---------- 处理流程 ---------- */
.page-contact .process{
  background:var(--paper);
  padding:52px 0 56px;
}

.page-contact .process__list{
  list-style:none;
  margin:28px 0 0;
  padding:0;
  display:grid;
  gap:0;
  max-width:760px;
}

.page-contact .process-step{
  display:grid;
  grid-template-columns:auto 1fr;
  gap:16px;
  padding:20px 0;
  border-bottom:1px dashed var(--pc-line);
}

.page-contact .process-step:first-child{
  border-top:1px dashed var(--pc-line);
}

.page-contact .process-step__num{
  font-family:var(--font-num);
  font-size:40px;
  line-height:.92;
  font-weight:800;
  color:var(--pulse-orange);
  letter-spacing:-.02em;
}

.page-contact .process-step__title{
  margin:0 0 8px;
  font-size:18px;
  font-weight:900;
  color:var(--pc-ink);
}

.page-contact .process-step__body p{
  margin:0;
  font-size:15px;
  line-height:1.82;
  color:var(--pc-ink-soft);
}

.page-contact .process__note{
  max-width:760px;
  margin:22px 0 0;
  padding:16px 18px;
  background:rgba(31,75,63,.08);
  border-left:3px solid var(--moss);
  font-size:14px;
  line-height:1.8;
  color:var(--pc-ink-soft);
}

/* ---------- 自助区 ---------- */
.page-contact .help{
  background:var(--graphite);
  color:var(--ink-strong);
  padding:52px 0 56px;
}

.page-contact .help__grid{
  display:grid;
  gap:30px;
}

.page-contact .help__title{
  margin:10px 0 0;
  font-size:clamp(24px,4.2vw,38px);
  line-height:1.15;
  font-weight:900;
  color:var(--ink-strong);
}

.page-contact .help__text{
  margin:14px 0 0;
  font-size:15px;
  line-height:1.85;
  color:var(--ink-base);
}

.page-contact .help__actions{
  margin-top:22px;
}

.page-contact .help__links{
  padding-top:22px;
  border-top:1px solid var(--line-soft);
}

.page-contact .help__links-title{
  margin:0 0 14px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.16em;
  color:var(--ink-muted);
}

.page-contact .help__list{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:1px;
  background:var(--line-faint);
}

.page-contact .help__link{
  display:flex;
  flex-direction:column;
  gap:4px;
  padding:14px 14px 14px 16px;
  background:var(--graphite);
  border-left:2px solid transparent;
  text-decoration:none;
  transition:border-color .24s ease, background-color .24s ease;
}

.page-contact .help__link span{
  font-size:15px;
  font-weight:700;
  color:var(--ink-strong);
}

.page-contact .help__link em{
  font-style:normal;
  font-size:13px;
  line-height:1.6;
  color:var(--ink-muted);
}

.page-contact .help__link:hover{
  background:#232B32;
  border-left-color:var(--pulse-orange);
}

@media (min-width:640px){
  .page-contact .channels__cards{
    grid-template-columns:repeat(3, minmax(0,1fr));
  }
  .page-contact .channels__grid{
    gap:24px;
  }
  .page-contact .hero-meta-gap{
    gap:1px;
  }
  .page-contact .contact-hero__meta{
    grid-template-columns:repeat(3, minmax(0,1fr));
  }
  .page-contact .types__panel{
    padding:28px 26px;
  }
}

@media (min-width:768px){
  .page-contact .contact-hero{
    padding:20px 0 56px;
  }
  .page-contact .contact-hero__lead{
    font-size:17px;
  }
  .page-contact .channels,
  .page-contact .types,
  .page-contact .process,
  .page-contact .help{
    padding:72px 0;
  }
  .page-contact .checklist{
    padding:26px 24px 28px;
  }
  .page-contact .process-step{
    grid-template-columns:64px 1fr;
    gap:22px;
    padding:24px 0;
  }
  .page-contact .process-step__num{
    font-size:52px;
  }
}

@media (min-width:1024px){
  .page-contact .contact-hero__grid{
    grid-template-columns:minmax(0,1.5fr) minmax(0,.85fr);
    align-items:end;
    gap:40px;
    margin-top:20px;
  }
  .page-contact .contact-hero__meta{
    grid-template-columns:1fr;
  }
  .page-contact .channels__grid{
    grid-template-columns:minmax(0,1.62fr) minmax(0,1fr);
    gap:26px;
    align-items:start;
  }
  .page-contact .channels__cards{
    grid-template-columns:minmax(0,1.25fr) minmax(0,1fr) minmax(0,.86fr);
    gap:12px;
  }
  .page-contact .channel-card{
    padding:28px 20px 26px;
  }
  .page-contact .types__panel{
    padding:32px 30px;
  }
  .page-contact .types__panel-desc{
    max-width:70ch;
  }
  .page-contact .help__grid{
    grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
    gap:48px;
    align-items:start;
  }
  .page-contact .help__links{
    padding-top:0;
    border-top:0;
  }
}

@media (min-width:1280px){
  .page-contact .channel-card__value{
    font-size:20px;
  }
  .page-contact .channel-card--mail .channel-card__value{
    font-size:15.5px;
  }
  .page-contact .channel-card--phone .channel-card__value{
    font-size:36px;
  }
}

@media (prefers-reduced-motion: reduce){
  .page-contact .channel-card,
  .page-contact .types__tab,
  .page-contact .help__link{
    transition:none;
  }
  .page-contact .channel-card:hover{
    transform:none;
  }
}
<<<END>>>