.page-contact{
  --pc-rail: 208px;
  --pc-gap: 12px;
  display: block;
  background: var(--ink);
  color: var(--paper);
}

.page-contact .pc-hero{
  position: relative;
  padding: 20px 0 30px;
  background:
    radial-gradient(130% 100% at 88% -12%, rgba(54,241,205,.14), transparent 62%),
    linear-gradient(180deg, var(--deep) 0%, var(--ink) 80%);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
.page-contact .pc-hero::after{
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--cyan), rgba(54,241,205,0) 55%, var(--alert));
  opacity: .55;
}

.page-contact .pc-hero__grid{
  display: grid;
  gap: 22px;
  padding-top: 18px;
}

.page-contact .pc-h1{
  margin: 14px 0 0;
  font-size: clamp(31px, 8.4vw, 60px);
  line-height: 1;
  letter-spacing: -.012em;
  font-weight: 300;
  color: var(--white);
  text-wrap: balance;
}

.page-contact .pc-lede{
  margin: 16px 0 0;
  max-width: 40em;
  font-size: 15.5px;
  line-height: 1.62;
  color: rgba(244,235,221,.78);
}

.page-contact .pc-cta{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-contact .pc-hero__media{
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow-1);
}
.page-contact .pc-hero__media img{
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .pc-shell{
  display: grid;
  gap: 26px;
  padding: 30px 0 60px;
  min-width: 0;
}

.page-contact .pc-rail{
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: linear-gradient(180deg, rgba(18,51,43,.72), rgba(11,31,26,.46));
  padding: 14px 12px;
  min-width: 0;
}

.page-contact .pc-rail__cap{
  margin: 0 0 8px;
  font-family: var(--font-num);
  font-size: 10.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--mist);
}
.page-contact .pc-rail__cap + .pc-rail__cap{
  margin-top: 4px;
}

.page-contact .pc-rail__group{
  margin: 0 0 14px;
}
.page-contact .pc-rail__group:last-child{
  margin-bottom: 0;
}

.page-contact .pc-rail__list{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px;
}

.page-contact .pc-rail__list a{
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 8px;
  border-radius: var(--r-sm);
  border-left: 2px solid transparent;
  color: rgba(244,235,221,.8);
  text-decoration: none;
  font-size: 13px;
  line-height: 1.3;
  transition: background var(--t-fast) var(--ease), color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}
.page-contact .pc-rail__list a:hover,
.page-contact .pc-rail__list a:focus-visible{
  background: rgba(54,241,205,.08);
  border-left-color: var(--cyan);
  color: var(--cyan-soft);
  outline: none;
}

.page-contact .pc-rail__idx{
  font-family: var(--font-num);
  font-size: 10.5px;
  letter-spacing: .06em;
  color: var(--cyan);
  flex: none;
}

.page-contact .pc-main{
  display: grid;
  gap: 30px;
  min-width: 0;
}

.page-contact .pc-sec{
  border-top: 1px solid var(--line);
  padding-top: 24px;
  min-width: 0;
}
.page-contact .pc-sec:first-child{
  border-top: 0;
  padding-top: 0;
}

.page-contact .pc-sec__eyebrow{
  margin: 0 0 8px;
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .pc-sec__title{
  margin: 0;
  font-size: clamp(21px, 5vw, 30px);
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -.006em;
  color: var(--white);
}

.page-contact .pc-sec__desc{
  margin: 10px 0 0;
  max-width: 44em;
  font-size: 14.5px;
  line-height: 1.62;
  color: rgba(244,235,221,.7);
}

/* ---------- 分类卡片 ---------- */
.page-contact .pc-cats{
  display: grid;
  gap: var(--pc-gap);
  margin-top: 18px;
}

.page-contact .pc-cat{
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: linear-gradient(180deg, rgba(18,51,43,.66), rgba(11,31,26,.34));
  padding: 15px 15px 13px;
  min-width: 0;
  transition: transform var(--t-base) var(--ease), border-color var(--t-base) var(--ease);
}
.page-contact .pc-cat:hover{
  transform: translateY(-2px);
  border-color: var(--line-cyan);
}

.page-contact .pc-cat__top{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.page-contact .pc-cat__icon{
  width: 26px;
  height: 26px;
  flex: none;
  color: var(--cyan);
}

.page-contact .pc-cat__idx{
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--mist);
}

.page-contact .pc-cat__title{
  margin: 11px 0 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--white);
}

.page-contact .pc-cat__text{
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.56;
  color: rgba(244,235,221,.72);
}

.page-contact .pc-cat__meta{
  margin: 12px 0 0;
  padding-top: 10px;
  border-top: 1px solid var(--line-soft);
  font-size: 12px;
  color: var(--mist);
}

/* ---------- 联系方式（纸张卡） ---------- */
.page-contact .pc-paper{
  margin-top: 16px;
  background: var(--paper);
  color: var(--ink);
  border-radius: var(--r-md);
  border: 1px solid rgba(6,17,14,.08);
  padding: 6px 16px 16px;
  box-shadow: var(--shadow-paper);
  min-width: 0;
}

.page-contact .pc-lines{
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .pc-line{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 10px;
  padding: 13px 0;
  border-bottom: 1px dashed rgba(6,17,14,.16);
}
.page-contact .pc-line:last-child{
  border-bottom: 0;
}

.page-contact .pc-line__k{
  flex: 0 0 auto;
  min-width: 78px;
  font-size: 12px;
  color: #4a6b62;
}

.page-contact .pc-line__v{
  flex: 1 1 160px;
  min-width: 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  word-break: break-word;
}

.page-contact .pc-copy{
  flex: none;
  appearance: none;
  font-family: inherit;
  font-size: 12px;
  line-height: 1;
  padding: 6px 12px 7px;
  border-radius: 999px;
  border: 1px solid rgba(6,17,14,.24);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  transition: background var(--t-fast) var(--ease), color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}
.page-contact .pc-copy:hover,
.page-contact .pc-copy:focus-visible{
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
  outline: none;
}
.page-contact .pc-copy.is-done{
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink);
}

.page-contact .pc-paper__note{
  margin: 12px 0 0;
  padding-top: 12px;
  border-top: 1px solid rgba(6,17,14,.1);
  font-size: 13px;
  line-height: 1.62;
  color: #3d5a52;
}

/* ---------- 回复时段 ---------- */
.page-contact .pc-clock{
  margin-top: 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: rgba(18,51,43,.5);
  padding: 18px 16px 15px;
}

.page-contact .pc-clock__row{
  display: flex;
  align-items: center;
  gap: 12px;
}

.page-contact .pc-clock__t{
  flex: none;
  font-family: var(--font-num);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--mist);
}

.page-contact .pc-clock__track{
  position: relative;
  flex: 1 1 auto;
  height: 6px;
  min-width: 0;
  border-radius: 999px;
  background: rgba(244,235,221,.1);
  overflow: hidden;
}

.page-contact .pc-clock__fill{
  position: absolute;
  inset: 0;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--cyan), var(--cyan-soft) 72%, var(--alert));
}

.page-contact .pc-clock__cap{
  margin: 12px 0 0;
  font-size: 13px;
  color: rgba(244,235,221,.66);
}

.page-contact .pc-hours{
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-contact .pc-hours li{
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 14px;
  line-height: 1.58;
  color: rgba(244,235,221,.76);
}
.page-contact .pc-hours li::before{
  content: "";
  flex: none;
  width: 6px;
  height: 6px;
  margin-top: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(54,241,205,.14);
}
.page-contact .pc-hours li.is-priority::before{
  background: var(--alert);
  box-shadow: 0 0 0 3px rgba(255,90,54,.16);
}
.page-contact .pc-hours li.is-priority strong{
  color: var(--white);
  font-weight: 600;
}

/* ---------- 合作咨询 ---------- */
.page-contact .pc-coop{
  margin-top: 18px;
  display: grid;
  gap: 20px;
  min-width: 0;
}

.page-contact .pc-nums{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 16px;
}

.page-contact .pc-num{
  flex: 1 1 140px;
  min-width: 0;
  border: 1px solid var(--line-cyan);
  border-radius: var(--r-sm);
  background: rgba(54,241,205,.05);
  padding: 10px 12px;
}
.page-contact .pc-num .num{
  display: block;
  font-family: var(--font-num);
  font-size: 24px;
  line-height: 1.1;
  color: var(--cyan);
}
.page-contact .pc-num span:last-child{
  font-size: 12.5px;
  color: var(--mist);
}

.page-contact .pc-coop__text{
  min-width: 0;
}
.page-contact .pc-coop__text p{
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.62;
  color: rgba(244,235,221,.76);
}

.page-contact .pc-fold{
  margin-top: 14px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: rgba(18,51,43,.44);
  padding: 2px 14px 2px;
}
.page-contact .pc-fold summary{
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 0;
  font-size: 14px;
  color: var(--cyan-soft);
}
.page-contact .pc-fold summary::-webkit-details-marker{
  display: none;
}
.page-contact .pc-fold summary::after{
  content: "＋";
  font-family: var(--font-num);
  font-size: 14px;
  color: var(--cyan);
}
.page-contact .pc-fold[open] summary::after{
  content: "－";
}
.page-contact .pc-fold ul{
  list-style: none;
  margin: 0;
  padding: 0 0 14px;
  display: grid;
  gap: 8px;
}
.page-contact .pc-fold li{
  position: relative;
  padding-left: 14px;
  font-size: 13.5px;
  line-height: 1.56;
  color: rgba(244,235,221,.72);
}
.page-contact .pc-fold li::before{
  content: "";
  position: absolute;
  left: 2px;
  top: 8px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--gold);
}

.page-contact .pc-coop__media{
  margin: 0;
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--panel);
}
.page-contact .pc-coop__media img{
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 到访与邮寄 ---------- */
.page-contact .pc-visit{
  margin-top: 16px;
  border-left: 2px solid var(--cyan);
  padding: 2px 0 2px 16px;
}
.page-contact .pc-visit p{
  margin: 0 0 10px;
  font-size: 14.5px;
  line-height: 1.62;
  color: rgba(244,235,221,.76);
}
.page-contact .pc-visit p:last-child{
  margin-bottom: 0;
}

/* ---------- 提交前清单 ---------- */
.page-contact .pc-check{
  list-style: none;
  counter-reset: pcc;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-contact .pc-check li{
  counter-increment: pcc;
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: rgba(18,51,43,.34);
  padding: 12px 14px 12px 48px;
  font-size: 14px;
  line-height: 1.56;
  color: rgba(244,235,221,.78);
}
.page-contact .pc-check li::before{
  content: counter(pcc, decimal-leading-zero);
  position: absolute;
  left: 14px;
  top: 13px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--cyan);
}
.page-contact .pc-check li strong{
  color: var(--white);
  font-weight: 600;
}

/* ---------- 尾部导航 ---------- */
.page-contact .pc-next{
  margin-top: 26px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 16px;
  background: linear-gradient(120deg, rgba(54,241,205,.08), rgba(18,51,43,.42) 58%, rgba(255,90,54,.07));
}
.page-contact .pc-next__title{
  margin: 0 0 12px;
  font-family: var(--font-num);
  font-size: 10.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--mist);
}
.page-contact .pc-next__list{
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.page-contact .pc-next__list a{
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13.5px;
  color: var(--paper);
  text-decoration: none;
  transition: border-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}
.page-contact .pc-next__list a:hover,
.page-contact .pc-next__list a:focus-visible{
  border-color: var(--cyan);
  color: var(--cyan);
  background: rgba(54,241,205,.07);
  outline: none;
}

/* ---------- 动效 ---------- */
.page-contact [data-reveal].is-in{
  animation: pc-in var(--t-slow) var(--ease) both;
}
@keyframes pc-in{
  from{ opacity: .001; transform: translateY(9px); }
  to{ opacity: 1; transform: none; }
}

@media (prefers-reduced-motion: reduce){
  .page-contact [data-reveal].is-in{ animation: none; }
  .page-contact .pc-cat,
  .page-contact .pc-copy,
  .page-contact .pc-next__list a,
  .page-contact .pc-rail__list a{ transition: none; }
  .page-contact .pc-cat:hover{ transform: none; }
}

/* ---------- 平板 ---------- */
@media (min-width: 640px){
  .page-contact .pc-cats{
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .pc-rail__list{
    grid-template-columns: 1fr;
  }
}

@media (min-width: 820px){
  .page-contact .pc-coop{
    grid-template-columns: minmax(0, 1fr) minmax(0, .85fr);
    align-items: start;
    gap: 32px;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 900px){
  .page-contact .pc-hero{
    padding: 26px 0 42px;
  }
  .page-contact .pc-hero__grid{
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 1fr);
    align-items: center;
    gap: 44px;
    padding-top: 26px;
  }
}

@media (min-width: 1000px){
  .page-contact .pc-shell{
    grid-template-columns: var(--pc-rail) minmax(0, 1fr);
    gap: 48px;
    padding: 46px 0 88px;
  }
  .page-contact .pc-rail{
    position: sticky;
    top: 24px;
  }
  .page-contact .pc-main{
    gap: 38px;
  }
  .page-contact .pc-sec{
    padding-top: 30px;
  }
}

@media (min-width: 1180px){
  .page-contact .pc-cats{
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .pc-h1{
    font-size: 62px;
  }
}