.page-contact{
  --pc-line-light: rgba(13,21,36,.16);
  --pc-line-dark: rgba(247,243,232,.18);
  --pc-grid-light: rgba(13,21,36,.07);
  --pc-grid-dark: rgba(247,243,232,.09);
  background: var(--paper-50);
  color: var(--ink-900);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-contact .cmp-section{
  padding-block: clamp(48px, 7vw, 92px);
}

.page-contact .cmp-section--dark{ color: var(--field-white); }
.page-contact .cmp-section--paper{ color: var(--ink-900); }

.page-contact a:focus-visible,
.page-contact summary:focus-visible{
  outline: 2px solid var(--blaze-300);
  outline-offset: 2px;
}

/* ---------- 面包屑条 ---------- */
.page-contact .pc-topbar{
  background: var(--ink-900);
  border-bottom: 1px solid var(--line-dark);
  padding-block: 11px;
}
.page-contact .pc-topbar .cmp-breadcrumb{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
}
.page-contact .pc-topbar .cmp-breadcrumb__link{
  color: var(--white-muted);
  text-decoration: none;
  transition: color .2s var(--ease);
}
.page-contact .pc-topbar a.cmp-breadcrumb__link:hover{ color: var(--blaze-300); }
.page-contact .pc-topbar .cmp-breadcrumb__sep{ color: var(--blaze-500); }

/* ---------- 首屏 ---------- */
.page-contact .pc-hero{
  position: relative;
  overflow: hidden;
  padding-bottom: 0;
}
.page-contact .pc-hero::before{
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--pc-grid-dark) 1px, transparent 1px),
    linear-gradient(to bottom, var(--pc-grid-dark) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
}
.page-contact .pc-hero__grid{
  position: relative;
  display: grid;
  gap: 24px;
  padding-block: clamp(28px, 5vw, 56px);
}
.page-contact .pc-hero__title{
  margin: 14px 0 20px;
  font-family: var(--font-display);
  line-height: 1.02;
  word-break: break-word;
}
.page-contact .pc-hero__title .cmp-slab{
  display: inline-block;
  padding: .02em .14em .06em;
  margin-right: .06em;
  background: var(--army-700);
  color: var(--field-white);
  font-style: normal;
  clip-path: polygon(1.5% 0, 100% 7%, 98.5% 100%, 0 93%);
}
.page-contact .pc-hero__lead{
  max-width: 46ch;
  margin: 0;
}
.page-contact .pc-hero__cta{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 32px);
}
.page-contact .pc-hero__vertical{
  display: none;
  color: var(--white-muted);
  margin: 0;
}
.page-contact .pc-hero__band{
  position: relative;
  margin-top: clamp(20px, 4vw, 40px);
  border-top: 3px solid var(--blaze-500);
}
.page-contact .pc-hero__band img{
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  max-width: 100%;
}

@media (min-width: 720px){
  .page-contact .pc-hero__band img{ aspect-ratio: 16 / 7; }
}
@media (min-width: 960px){
  .page-contact .pc-hero__grid{
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: start;
    gap: 40px;
  }
  .page-contact .pc-hero__vertical{ display: block; justify-self: end; }
}

/* ---------- 索引条 ---------- */
.page-contact .pc-index{
  background: var(--indigo-800);
  border-bottom: 1px solid var(--line-dark);
  padding-block: 10px;
}
.page-contact .pc-index .cmp-indexbar{
  display: flex;
  flex-wrap: nowrap;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}
.page-contact .pc-index .cmp-indexbar::-webkit-scrollbar{ display: none; }
.page-contact .pc-index .cmp-indexbar__link{
  flex: 0 0 auto;
  padding: 6px 10px;
  border: 1px solid var(--line-dark);
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--white-muted);
  text-decoration: none;
  transition: background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}
.page-contact .pc-index .cmp-indexbar__link:hover{
  background: var(--blaze-500);
  border-color: var(--blaze-500);
  color: var(--ink-900);
}

/* ---------- 章节标题组 ---------- */
.page-contact .pc-head{
  max-width: 64ch;
  margin-bottom: clamp(26px, 4vw, 44px);
}
.page-contact .pc-head .cmp-h2{
  margin: 12px 0 14px;
}
.page-contact .pc-head__note{
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-muted);
}
.page-contact .cmp-section--dark .pc-head__note{ color: var(--white-muted); }

/* ---------- 联络通道 ---------- */
.page-contact .pc-switch{
  display: grid;
  gap: clamp(24px, 4vw, 40px);
}
.page-contact .pc-switch__panel{
  background: var(--ink-900);
  color: var(--field-white);
  padding: clamp(22px, 4vw, 36px);
  border-top: 3px solid var(--blaze-500);
  border-radius: 2px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
}
.page-contact .pc-switch__tag{
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--blaze-300);
}
.page-contact .pc-switch__mail,
.page-contact .pc-switch__tel{
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(17px, 4.4vw, 26px);
  line-height: 1.3;
  letter-spacing: .01em;
  color: var(--field-white);
  text-decoration: none;
  word-break: break-all;
  border-bottom: 2px solid transparent;
  transition: color .24s var(--ease), border-color .24s var(--ease);
}
.page-contact .pc-switch__mail:hover,
.page-contact .pc-switch__tel:hover{
  color: var(--blaze-300);
  border-bottom-color: var(--blaze-300);
}
.page-contact .pc-switch__hint{
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--white-muted);
}
.page-contact .pc-switch__panel .cmp-rule{
  margin: clamp(18px, 3vw, 26px) 0;
  border-color: var(--line-dark);
}
.page-contact .pc-switch__btns{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-contact .pc-route{
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-contact .pc-route__item{
  position: relative;
  padding: 18px 0 18px 20px;
  border-top: 1px solid var(--pc-line-light);
}
.page-contact .pc-route__item:first-child{
  border-top: 0;
  padding-top: 0;
}
.page-contact .pc-route__item::before{
  content: "";
  position: absolute;
  left: 0;
  top: 24px;
  width: 8px;
  height: 8px;
  background: var(--army-700);
  transition: background .24s var(--ease);
}
.page-contact .pc-route__item:first-child::before{ top: 6px; }
.page-contact .pc-route__item:hover::before{ background: var(--blaze-500); }
.page-contact .pc-route__k{
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(16px, 2vw, 18px);
  line-height: 1.45;
}
.page-contact .pc-route__v{
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--ink-muted);
}

@media (min-width: 960px){
  .page-contact .pc-switch{
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
    gap: clamp(32px, 4vw, 56px);
  }
}

/* ---------- 动身前 ---------- */
.page-contact .pc-prep__grid{
  display: grid;
  gap: clamp(28px, 4vw, 48px);
}
.page-contact .pc-prep__lead{
  margin: 0 0 26px;
  max-width: 50ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--white-muted);
}
.page-contact .pc-prep__list{
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-contact .pc-prep__list > li{
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-top: 1px solid var(--pc-line-dark);
}
.page-contact .pc-prep__num{
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--blaze-500);
  padding-top: 3px;
}
.page-contact .pc-prep__list h3{
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
}
.page-contact .pc-prep__list p{
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--white-muted);
}
.page-contact .pc-prep__note{
  margin-top: 24px;
  padding: 16px 18px;
  background: var(--indigo-800);
  border-left: 3px solid var(--army-500);
  font-size: 14px;
  line-height: 1.78;
  color: var(--white-muted);
}
.page-contact .pc-prep__figure{
  margin: 0;
}
.page-contact .pc-prep__figure .cmp-media{
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--indigo-800);
  border: 1px solid var(--line-dark);
  border-radius: 2px;
}
.page-contact .pc-prep__figure img{
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}
.page-contact .pc-prep__figure .cmp-figcaption{
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.7;
  letter-spacing: .02em;
  color: var(--white-muted);
}

@media (min-width: 900px){
  .page-contact .pc-prep__grid{
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }
}

/* ---------- 邮件写法 ---------- */
.page-contact .pc-mail__grid{
  display: grid;
  gap: clamp(28px, 4vw, 48px);
}
.page-contact .pc-mail__intro{
  margin: 0;
  max-width: 42ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--ink-muted);
}
.page-contact .pc-slug{
  margin-top: 26px;
  padding: clamp(18px, 3vw, 26px);
  background: var(--army-700);
  color: var(--field-white);
  border-radius: 2px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}
.page-contact .pc-slug__cap{
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--blaze-300);
}
.page-contact .pc-slug__text{
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: clamp(14px, 2.1vw, 17px);
  line-height: 1.6;
  word-break: break-word;
}
.page-contact .pc-slug__example{
  margin: 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: rgba(253,251,246,.74);
}

.page-contact .pc-steps{
  list-style: none;
  counter-reset: pcstep;
  margin: 0;
  padding: 0;
}
.page-contact .pc-steps li{
  position: relative;
  padding: 0 0 22px 46px;
  margin-bottom: 22px;
  border-bottom: 1px solid var(--pc-line-light);
}
.page-contact .pc-steps li:last-child{
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: 0;
}
.page-contact .pc-steps li::before{
  counter-increment: pcstep;
  content: "0" counter(pcstep);
  position: absolute;
  left: 0;
  top: 2px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--blaze-500);
}
.page-contact .pc-steps h3{
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
}
.page-contact .pc-steps p{
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink-muted);
}
.page-contact .pc-mail__tail{
  margin: 26px 0 0;
  font-size: 14px;
  line-height: 1.78;
}
.page-contact .pc-mail__tail a{
  color: var(--army-700);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-contact .pc-mail__tail a:hover{ color: var(--blaze-500); }

@media (min-width: 900px){
  .page-contact .pc-mail__grid{
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }
}

/* ---------- 时效与分派 ---------- */
.page-contact .pc-table__wrap{
  overflow-x: auto;
  border-top: 3px solid var(--blaze-500);
  -webkit-overflow-scrolling: touch;
}
.page-contact .pc-table{
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 14.5px;
}
.page-contact .pc-table__cap{
  caption-side: top;
  text-align: left;
  padding: 12px 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--white-muted);
}
.page-contact .pc-table th,
.page-contact .pc-table td{
  text-align: left;
  vertical-align: top;
  padding: 16px 18px 16px 0;
  border-bottom: 1px solid var(--pc-line-dark);
  line-height: 1.72;
}
.page-contact .pc-table thead th{
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .1em;
  color: var(--blaze-300);
}
.page-contact .pc-table tbody th{
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  color: var(--field-white);
}
.page-contact .pc-table td{
  color: var(--white-muted);
}
.page-contact .pc-table td .cmp-mono,
.page-contact .pc-table td.cmp-mono{
  color: var(--field-white);
  white-space: nowrap;
  font-size: 13px;
}
.page-contact .pc-table tbody tr{
  transition: background .24s var(--ease);
}
.page-contact .pc-table tbody tr:hover{
  background: rgba(242,98,31,.10);
}
.page-contact .pc-table a{
  color: var(--blaze-300);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-contact .pc-table a:hover{ color: var(--field-white); }

/* ---------- 地址带 ---------- */
.page-contact .pc-address{
  background: var(--blaze-500);
  color: var(--ink-900);
  padding-block: clamp(36px, 6vw, 64px);
}
.page-contact .pc-address__inner{
  display: grid;
  gap: 24px;
}
.page-contact .pc-address__label{
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: .16em;
}
.page-contact .pc-address__title{
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: clamp(19px, 3vw, 27px);
  font-weight: 900;
  letter-spacing: -.01em;
}
.page-contact .pc-address__text{
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(15px, 2.4vw, 20px);
  line-height: 1.6;
  word-break: break-word;
}
.page-contact .pc-fold{
  background: rgba(13,21,36,.06);
  border: 1px solid rgba(13,21,36,.30);
  border-radius: 2px;
  align-self: start;
}
.page-contact .pc-fold__sum{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 18px;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  list-style: none;
}
.page-contact .pc-fold__sum::-webkit-details-marker{ display: none; }
.page-contact .pc-fold__sum::after{
  content: "＋";
  font-family: var(--font-mono);
  font-size: 16px;
}
.page-contact .pc-fold[open] .pc-fold__sum::after{ content: "−"; }
.page-contact .pc-fold__body{
  padding: 0 18px 18px;
  font-size: 14px;
  line-height: 1.8;
}
.page-contact .pc-fold__body p{ margin: 0 0 10px; }
.page-contact .pc-fold__body p:last-child{ margin-bottom: 0; }

@media (min-width: 900px){
  .page-contact .pc-address__inner{
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
    gap: clamp(28px, 4vw, 48px);
  }
}

/* ---------- 合作与媒体 ---------- */
.page-contact .pc-coop__grid{
  display: grid;
  gap: clamp(28px, 4vw, 48px);
}
.page-contact .pc-coop__meta{
  margin: 16px 0 0;
  max-width: 54ch;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--ink-muted);
}
.page-contact .pc-coop__meta a{
  color: var(--army-700);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-contact .pc-coop__meta a:hover{ color: var(--blaze-500); }
.page-contact .pc-coop__legal{
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--ink-muted);
}
.page-contact .pc-coop__legal a{
  color: var(--army-700);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-contact .pc-coop__legal a:hover{ color: var(--blaze-500); }
.page-contact .pc-coop__list{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}
.page-contact .pc-coop__list li{
  padding: 18px;
  background: var(--field-white);
  border-left: 3px solid var(--army-700);
  border-radius: 2px;
  transition: transform .24s var(--ease), border-color .24s var(--ease);
}
.page-contact .pc-coop__list li:hover{
  transform: translateY(-2px);
  border-left-color: var(--blaze-500);
}
.page-contact .pc-coop__list p{
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--ink-muted);
}

@media (min-width: 900px){
  .page-contact .pc-coop__grid{
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce){
  .page-contact *,
  .page-contact *::before,
  .page-contact *::after{
    transition: none !important;
    animation: none !important;
  }
}