.page-contact{
  background: var(--void);
  color: var(--text);
  padding-bottom: clamp(40px, 7vw, 88px);
  overflow-x: hidden;
}

.page-contact .pc-crumbs{
  padding-top: clamp(14px, 2.4vw, 22px);
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero{
  position: relative;
  padding-top: clamp(16px, 3vw, 30px);
  padding-bottom: clamp(30px, 5vw, 58px);
}

.page-contact .pc-hero::before{
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(112deg, transparent 0 63%, rgba(34,230,210,.07) 63% 63.3%, transparent 63.3%),
    repeating-linear-gradient(90deg, rgba(42,60,99,.28) 0 1px, transparent 1px 96px);
  opacity: .9;
}

.page-contact .pc-hero__grid{
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

.page-contact .pc-hero__text{
  min-width: 0;
}

.page-contact .pc-eyebrow{
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  font-family: var(--mono);
  font-size: .75rem;
  letter-spacing: .2em;
  color: var(--cyan);
}

.page-contact .pc-eyebrow::before{
  content: "";
  width: 28px;
  height: 1px;
  background: var(--cyan);
  flex: none;
}

.page-contact .pc-title{
  display: block;
  margin: 0 0 18px;
  font-family: var(--sans);
  font-weight: 800;
  font-stretch: condensed;
  font-size: clamp(1.9rem, 6.4vw, 3.6rem);
  line-height: 1.08;
  letter-spacing: -.02em;
  color: var(--text);
  transform: skewX(-1.4deg);
  transform-origin: left center;
  padding-left: .04em;
}

.page-contact .pc-lead{
  max-width: 35em;
  margin: 0;
  font-size: clamp(.95rem, 2vw, 1.0625rem);
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .pc-hero__meta{
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .pc-hero__meta li{
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 11px;
  border: 1px solid var(--grid);
  font-family: var(--mono);
  font-size: .75rem;
  letter-spacing: .06em;
  color: var(--muted);
}

.page-contact .pc-hero__meta li::before{
  content: "";
  width: 6px;
  height: 6px;
  flex: none;
  background: var(--green);
}

.page-contact .pc-hero__fig{
  margin: 0;
  position: relative;
}

.page-contact .pc-hero__fig::after{
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 46px;
  height: 2px;
  background: var(--orange);
  pointer-events: none;
}

/* ---------- 主体两栏 ---------- */
.page-contact .pc-body__grid{
  display: grid;
  gap: clamp(28px, 5vw, 52px);
}

.page-contact .pc-col{
  display: grid;
  align-content: start;
  gap: clamp(22px, 4vw, 38px);
  min-width: 0;
}

.page-contact .pc-block{
  min-width: 0;
}

.page-contact .pc-h2{
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin: 0 0 12px;
  font-family: var(--sans);
  font-weight: 700;
  font-size: clamp(1.1875rem, 2.6vw, 1.4375rem);
  line-height: 1.3;
  letter-spacing: -.01em;
  color: var(--text);
}

.page-contact .pc-h2__num{
  flex: none;
  padding: 3px 7px;
  border: 1px solid var(--grid);
  font-family: var(--mono);
  font-size: .6875rem;
  font-weight: 600;
  letter-spacing: .16em;
  color: var(--cyan);
}

.page-contact .pc-h2--plain{
  margin-bottom: 10px;
}

.page-contact .pc-block__lead{
  margin: 0 0 16px;
  max-width: 34em;
  font-size: .9375rem;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 渠道卡片 ---------- */
.page-contact .pc-channels{
  display: grid;
  gap: 12px;
}

.page-contact .pc-channel{
  position: relative;
  display: grid;
  gap: 6px;
  padding: 16px 16px 18px;
  border: 1px solid var(--grid);
  background: var(--field);
  transition: border-color .14s var(--ease), background-color .14s var(--ease);
}

.page-contact .pc-channel::after{
  content: "";
  position: absolute;
  left: -1px;
  top: -1px;
  bottom: -1px;
  width: 2px;
  background: var(--cyan);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform .18s var(--ease);
}

.page-contact .pc-channel:hover{
  border-color: var(--cyan);
  background: var(--panel);
}

.page-contact .pc-channel:hover::after{
  transform: scaleY(1);
}

.page-contact .pc-channel__num{
  font-family: var(--mono);
  font-size: .6875rem;
  letter-spacing: .2em;
  color: var(--cyan);
}

.page-contact .pc-channel__label{
  font-size: .75rem;
  letter-spacing: .18em;
  color: var(--dim);
}

.page-contact .pc-channel__value{
  margin: 2px 0 0;
  font-family: var(--mono);
  font-weight: 600;
  font-size: clamp(1.125rem, 3.4vw, 1.5rem);
  line-height: 1.25;
  letter-spacing: -.01em;
  color: var(--text);
  font-variant-numeric: tabular-nums;
  overflow-wrap: anywhere;
}

.page-contact .pc-channel__value--mail{
  font-size: clamp(.9rem, 2.6vw, 1.125rem);
  color: var(--cyan);
}

.page-contact .pc-channel__note{
  margin: 4px 0 0;
  font-size: .875rem;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .pc-channel--cream{
  background: var(--cream);
  border-color: var(--cream);
}

.page-contact .pc-channel--cream:hover{
  background: var(--cream);
  border-color: var(--orange);
}

.page-contact .pc-channel--cream .pc-channel__num{
  color: var(--orange);
}

.page-contact .pc-channel--cream .pc-channel__label{
  color: #6b5942;
}

.page-contact .pc-channel--cream .pc-channel__value{
  font-family: var(--sans);
  font-size: clamp(.9375rem, 2.6vw, 1.0625rem);
  line-height: 1.65;
  letter-spacing: 0;
  color: var(--ink);
}

.page-contact .pc-channel--cream .pc-channel__note{
  color: #4d3f2c;
}

/* ---------- 服务时段 ---------- */
.page-contact .pc-hours{
  border: 1px solid var(--grid);
  background: var(--panel);
}

.page-contact .pc-hours__fig{
  margin: 0;
}

.page-contact .pc-hours__body{
  padding: 16px 16px 20px;
}

.page-contact .pc-hours__list{
  display: grid;
  gap: 0;
  margin: 0 0 14px;
  padding: 0;
}

.page-contact .pc-hours__row{
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px dashed rgba(42,60,99,.95);
}

.page-contact .pc-hours__row:first-child{
  border-top: 1px dashed rgba(42,60,99,.95);
}

.page-contact .pc-hours__row dt{
  font-size: .8125rem;
  color: var(--muted);
  flex: none;
}

.page-contact .pc-hours__row dd{
  margin: 0;
  font-family: var(--mono);
  font-weight: 600;
  font-size: .875rem;
  color: var(--amber);
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.page-contact .pc-hours__note{
  margin: 0;
  font-size: .8125rem;
  line-height: 1.7;
  color: var(--dim);
}

/* ---------- 准备清单 ---------- */
.page-contact .pc-checklist{
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .pc-check{
  position: relative;
  min-width: 0;
}

.page-contact .pc-check__input{
  position: absolute;
  width: 1px;
  height: 1px;
  margin: 0;
  padding: 0;
  opacity: 0;
  pointer-events: none;
}

.page-contact .pc-check__label{
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 15px 16px;
  border: 1px solid var(--grid);
  background: var(--field);
  cursor: pointer;
  transition: border-color .14s var(--ease), background-color .14s var(--ease);
}

.page-contact .pc-check__label:hover{
  border-color: var(--cyan);
}

.page-contact .pc-check__box{
  position: relative;
  display: block;
  width: 22px;
  height: 22px;
  margin-top: 1px;
  border: 1px solid var(--grid);
  background: transparent;
  flex: none;
  transition: background-color .16s var(--ease), border-color .16s var(--ease);
}

.page-contact .pc-check__box::after{
  content: "";
  position: absolute;
  left: 7px;
  top: 3px;
  width: 6px;
  height: 11px;
  border-right: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
  transform: rotate(42deg) scale(0);
  transform-origin: center;
  transition: transform .16s var(--ease);
}

.page-contact .pc-check__body{
  display: grid;
  gap: 4px;
  min-width: 0;
}

.page-contact .pc-check__name{
  font-size: .9375rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.4;
}

.page-contact .pc-check__desc{
  font-size: .84375rem;
  line-height: 1.7;
  color: var(--muted);
  overflow-wrap: anywhere;
}

.page-contact .pc-check__input:checked + .pc-check__label{
  border-color: var(--green);
  background: rgba(55,196,106,.08);
}

.page-contact .pc-check__input:checked + .pc-check__label .pc-check__box{
  background: var(--green);
  border-color: var(--green);
}

.page-contact .pc-check__input:checked + .pc-check__label .pc-check__box::after{
  transform: rotate(42deg) scale(1);
}

.page-contact .pc-check__input:focus-visible + .pc-check__label{
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

/* ---------- 问题分流 ---------- */
.page-contact .pc-router{
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  align-items: start;
}

.page-contact .pc-route{
  border: 1px solid var(--grid);
  background: var(--field);
  transition: border-color .14s var(--ease), background-color .14s var(--ease);
}

.page-contact .pc-route:hover{
  border-color: var(--cyan);
}

.page-contact .pc-route[open]{
  border-color: var(--cyan);
  background: var(--panel);
}

.page-contact .pc-route__head{
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
}

.page-contact .pc-route__head::-webkit-details-marker{
  display: none;
}

.page-contact .pc-route__num{
  font-family: var(--mono);
  font-size: .6875rem;
  letter-spacing: .16em;
  color: var(--cyan);
  border: 1px solid var(--grid);
  padding: 2px 5px;
}

.page-contact .pc-route__title{
  font-size: .9375rem;
  font-weight: 600;
  line-height: 1.45;
  color: var(--text);
  min-width: 0;
}

.page-contact .pc-route__plus{
  position: relative;
  width: 14px;
  height: 14px;
  flex: none;
}

.page-contact .pc-route__plus::before,
.page-contact .pc-route__plus::after{
  content: "";
  position: absolute;
  background: var(--muted);
  transition: transform .16s var(--ease), background-color .16s var(--ease);
}

.page-contact .pc-route__plus::before{
  left: 0;
  top: 6px;
  width: 14px;
  height: 1px;
}

.page-contact .pc-route__plus::after{
  left: 6px;
  top: 0;
  width: 1px;
  height: 14px;
}

.page-contact .pc-route[open] .pc-route__plus::before{
  background: var(--orange);
}

.page-contact .pc-route[open] .pc-route__plus::after{
  transform: scaleY(0);
}

.page-contact .pc-route__body{
  padding: 0 16px 18px;
}

.page-contact .pc-route__body p{
  margin: 0 0 10px;
  font-size: .875rem;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .pc-route__via{
  margin: 0 !important;
  font-family: var(--mono);
  font-size: .75rem !important;
  letter-spacing: .06em;
  color: var(--amber) !important;
  border-top: 1px solid var(--grid);
  padding-top: 10px;
  overflow-wrap: anywhere;
}

/* ---------- 自助入口 ---------- */
.page-contact .pc-help{
  margin-top: clamp(38px, 7vw, 82px);
  padding-top: clamp(26px, 4.5vw, 44px);
  border-top: 1px solid var(--grid);
}

.page-contact .pc-help__lead{
  margin: 0 0 20px;
  max-width: 40em;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .pc-help__grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--grid);
  border: 1px solid var(--grid);
}

.page-contact .pc-help__grid li{
  min-width: 0;
}

.page-contact .pc-help__link{
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px;
  background: var(--field);
  color: var(--text);
  text-decoration: none;
  font-size: .9375rem;
  font-weight: 600;
  transition: background-color .14s var(--ease), color .14s var(--ease);
}

.page-contact .pc-help__link::after{
  content: "";
  width: 9px;
  height: 9px;
  flex: none;
  border-top: 1px solid var(--dim);
  border-right: 1px solid var(--dim);
  transform: rotate(45deg);
  transition: border-color .14s var(--ease), transform .14s var(--ease);
}

.page-contact .pc-help__link:hover,
.page-contact .pc-help__link:focus-visible{
  background: var(--panel);
  color: var(--cyan);
}

.page-contact .pc-help__link:hover::after,
.page-contact .pc-help__link:focus-visible::after{
  border-color: var(--cyan);
  transform: rotate(45deg) translate(2px, -2px);
}

/* ---------- 断点 ---------- */
@media (min-width: 600px){
  .page-contact .pc-router{
    grid-template-columns: 1fr 1fr;
  }

  .page-contact .pc-help__grid{
    grid-template-columns: 1fr 1fr;
  }

  .page-contact .pc-hours__body{
    padding: 18px 20px 22px;
  }
}

@media (min-width: 900px){
  .page-contact .pc-hero__grid{
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
    gap: clamp(28px, 4vw, 56px);
  }

  .page-contact .pc-body__grid{
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }

  .page-contact .pc-help__grid{
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 1200px){
  .page-contact .pc-channel{
    padding: 18px 18px 20px;
  }

  .page-contact .pc-lead{
    max-width: 32em;
  }
}

@media (prefers-reduced-motion: reduce){
  .page-contact .pc-channel,
  .page-contact .pc-channel::after,
  .page-contact .pc-check__label,
  .page-contact .pc-check__box,
  .page-contact .pc-check__box::after,
  .page-contact .pc-route,
  .page-contact .pc-route__plus::before,
  .page-contact .pc-route__plus::after,
  .page-contact .pc-help__link,
  .page-contact .pc-help__link::after{
    transition: none;
  }

  .page-contact .pc-title{
    transform: none;
  }
}
<<<END>>>