.page-contact{
  --pc-rule: rgba(14, 42, 35, 0.16);
  --pc-rule-soft: rgba(14, 42, 35, 0.08);
  --pc-glass: rgba(245, 235, 221, 0.72);
  --pc-lift: #FBF3E7;
  background: var(--paper);
  color: var(--charcoal);
  font-family: var(--font-body);
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-contact img{ max-width: 100%; height: auto; }

/* 面包屑 */
.page-contact .contact-crumbbar{
  background: var(--paper-2);
  border-bottom: 1px solid var(--pc-rule-soft);
}
.page-contact .breadcrumb-list{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem;
  list-style: none;
  margin: 0;
  padding: 14px 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
}
.page-contact .breadcrumb-list li{
  display: flex;
  align-items: center;
  gap: .5rem;
  color: rgba(29, 27, 24, .62);
}
.page-contact .breadcrumb-list li + li::before{
  content: "/";
  color: var(--stone);
}
.page-contact .breadcrumb-list a{
  color: var(--cinnabar-deep);
  text-decoration: none;
}
.page-contact .breadcrumb-list a:hover{ text-decoration: underline; }

/* 首屏 */
.page-contact .contact-hero{
  padding: clamp(28px, 5vw, 64px) 0 clamp(30px, 5vw, 56px);
}
.page-contact .hero-grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 48px);
}
.page-contact .hero-main{ min-width: 0; }

.page-contact .kicker{
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .22em;
  color: var(--cinnabar-deep);
}
.page-contact h1{
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2rem, 6.4vw, 3.5rem);
  line-height: 1.16;
  letter-spacing: .02em;
  color: var(--ink);
}
.page-contact .lead{
  margin: 0;
  max-width: 32em;
  font-size: clamp(1rem, 1.4vw, 1.1rem);
  line-height: 1.8;
  color: rgba(29, 27, 24, .84);
}

/* 通道卡 */
.page-contact .channel-list{
  display: grid;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 32px);
}
.page-contact .channel-card{
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 16px 18px;
  background: var(--paper);
  border: 1px solid var(--pc-rule);
  border-left: 3px solid var(--cinnabar);
  color: inherit;
  text-decoration: none;
  transition: background .2s ease, transform .2s ease, border-color .2s ease;
}
.page-contact .channel-card:hover,
.page-contact .channel-card:focus-visible{
  background: var(--pc-lift);
  border-color: var(--cinnabar);
  transform: translateX(3px);
}
.page-contact .channel-no{
  flex: 0 0 auto;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--cinnabar);
}
.page-contact .channel-body{ display: block; min-width: 0; }
.page-contact .channel-title{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--ink);
}
.page-contact .channel-flag{
  font-style: normal;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .12em;
  padding: 3px 7px;
  background: var(--cinnabar);
  color: #FFF6EC;
  border-radius: 2px;
}
.page-contact .channel-desc{
  display: block;
  margin-top: 6px;
  font-size: .9375rem;
  line-height: 1.7;
  color: rgba(29, 27, 24, .78);
  word-break: break-word;
}

/* 首屏右侧 */
.page-contact .hero-side{
  display: grid;
  gap: 16px;
  align-content: start;
  min-width: 0;
}
.page-contact .hero-figure{ margin: 0; }
.page-contact .hero-figure img{
  display: block;
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: 1px solid var(--pc-rule);
}

.page-contact .hours-card{
  position: relative;
  overflow: hidden;
  padding: 22px 22px 24px;
  background: var(--ink);
  color: var(--paper);
  border-radius: 2px;
  box-shadow: var(--plate-shadow);
}
.page-contact .hours-card::after{
  content: "";
  position: absolute;
  right: -34px;
  bottom: -46px;
  width: 130px;
  height: 130px;
  border: 1px solid rgba(245, 235, 221, .18);
  border-radius: 50%;
}
.page-contact .hours-title{
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--copper);
}
.page-contact .hours-big{
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 10px 0 4px;
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 3.6vw, 1.9rem);
  letter-spacing: .04em;
}
.page-contact .hours-dash{ color: var(--cinnabar); }
.page-contact .hours-strip{
  display: block;
  width: 100%;
  height: auto;
  margin: 12px 0 8px;
}
.page-contact .hours-note{
  position: relative;
  z-index: 1;
  margin: 0;
  font-size: .875rem;
  line-height: 1.75;
  color: rgba(245, 235, 221, .8);
  word-break: break-word;
}

/* 正文双栏 */
.page-contact .contact-body{ padding: clamp(8px, 2vw, 16px) 0 0; }
.page-contact .body-grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 44px);
}
.page-contact .contact-flow{
  display: grid;
  gap: clamp(22px, 3.4vw, 34px);
  min-width: 0;
}

/* 粘贴索引 */
.page-contact .rail-card{
  padding: 18px 16px;
  background: var(--pc-glass);
  border: 1px solid var(--pc-rule);
  border-radius: 2px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.page-contact .rail-head{
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--cinnabar-deep);
}
.page-contact .toc-list{
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
.page-contact .toc-list a{
  display: grid;
  grid-template-columns: 2.2em 1fr;
  gap: 8px;
  align-items: baseline;
  padding-bottom: 2px;
  font-size: .9375rem;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px dashed transparent;
}
.page-contact .toc-list a span{
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--cinnabar);
}
.page-contact .toc-list a:hover,
.page-contact .toc-list a:focus-visible{
  color: var(--cinnabar-deep);
  border-bottom-color: var(--stone);
}
.page-contact .rail-note{
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--pc-rule-soft);
  font-size: .8125rem;
  line-height: 1.7;
  color: rgba(29, 27, 24, .66);
}

/* 面板 */
.page-contact .panel{
  min-width: 0;
  padding: clamp(18px, 3vw, 32px);
  background: var(--paper-2);
  border: 1px solid var(--pc-rule);
  border-radius: 2px;
  box-shadow: var(--plate-shadow);
  scroll-margin-top: 24px;
}
.page-contact .panel-head{
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 14px;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--pc-rule);
}
.page-contact .panel-index{
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--cinnabar);
}
.page-contact .panel-title{
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.25rem, 2.4vw, 1.75rem);
  line-height: 1.35;
  color: var(--ink);
}
.page-contact .panel-body > p{
  margin: 0 0 14px;
  max-width: 40em;
  line-height: 1.8;
}

.page-contact .hours-points{
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
.page-contact .hours-points li{
  position: relative;
  padding-left: 24px;
  font-size: .9375rem;
  line-height: 1.75;
  color: rgba(29, 27, 24, .82);
  word-break: break-word;
}
.page-contact .hours-points li::before{
  content: "";
  position: absolute;
  left: 4px;
  top: .66em;
  width: 8px;
  height: 8px;
  background: var(--cinnabar);
}

/* 来信分类 */
.page-contact .topic-grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 8px;
}
.page-contact .topic-card{
  padding: 16px 18px 18px;
  background: rgba(255, 255, 255, .42);
  border: 1px solid var(--pc-rule);
  border-top: 3px solid var(--copper);
}
.page-contact .topic-card--coop{ border-top-color: var(--indigo); }
.page-contact .topic-card--fix{ border-top-color: var(--cinnabar); }
.page-contact .topic-card--cite{ border-top-color: var(--copper); }
.page-contact .topic-card--sub{ border-top-color: var(--sage); }

.page-contact .p-tag{
  display: inline-block;
  margin-bottom: 10px;
  padding: 4px 8px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .14em;
  color: #FFF6EC;
  border-radius: 2px;
}
.page-contact .p-tag--indigo{ background: var(--indigo); }
.page-contact .p-tag--cinnabar{ background: var(--cinnabar); }
.page-contact .p-tag--copper{ background: var(--copper); }
.page-contact .p-tag--ink{ background: var(--ink-2); }

.page-contact .topic-title{
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--ink);
}
.page-contact .topic-desc{
  margin: 0;
  font-size: .9375rem;
  line-height: 1.75;
  color: rgba(29, 27, 24, .8);
}

/* 联系信息卡 */
.page-contact .info-grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(18px, 3vw, 28px);
  align-items: start;
}
.page-contact .info-list{
  display: grid;
  gap: 0;
  margin: 0;
  border-top: 1px solid var(--pc-rule);
  min-width: 0;
}
.page-contact .info-row{
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--pc-rule-soft);
}
.page-contact .info-key{
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--cinnabar-deep);
}
.page-contact .info-val{
  font-size: 1rem;
  line-height: 1.6;
  color: var(--ink);
  word-break: break-word;
}
.page-contact .info-val--mono{
  font-family: var(--font-mono);
  font-size: .9375rem;
  letter-spacing: .02em;
}
.page-contact .info-note{
  margin: 16px 0 0;
  font-size: .875rem;
  line-height: 1.75;
  color: rgba(29, 27, 24, .7);
  word-break: break-word;
}
.page-contact .info-figure{ margin: 0; }
.page-contact .info-figure img{
  display: block;
  width: 100%;
  aspect-ratio: 9 / 7;
  object-fit: cover;
  border: 1px solid var(--pc-rule);
}
.page-contact .info-caption{
  margin: 10px 0 0;
  font-size: .8125rem;
  line-height: 1.7;
  color: rgba(29, 27, 24, .64);
}

/* 订阅 */
.page-contact .sub-grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 8px;
}
.page-contact .sub-item{
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px 16px 18px;
  background: var(--paper);
  border: 1px solid var(--pc-rule);
  border-left: 3px solid var(--cinnabar);
}
.page-contact .sub-title{
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--ink);
}
.page-contact .sub-desc{
  flex: 1;
  margin: 0;
  font-size: .9375rem;
  line-height: 1.75;
  color: rgba(29, 27, 24, .8);
}
.page-contact .sub-link{
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--cinnabar-deep);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}
.page-contact .sub-link:hover,
.page-contact .sub-link:focus-visible{ color: var(--cinnabar); }
.page-contact .sub-note{
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--pc-rule);
  font-size: .875rem;
  line-height: 1.75;
  color: rgba(29, 27, 24, .7);
}

/* 收尾 */
.page-contact .contact-fineprint{
  margin: 0;
  padding: 16px 0 0;
  border-top: 1px dashed var(--pc-rule);
  font-size: .875rem;
  line-height: 1.85;
  color: rgba(29, 27, 24, .7);
}
.page-contact .contact-fineprint a{
  color: var(--cinnabar-deep);
  text-decoration: none;
  border-bottom: 1px solid rgba(142, 47, 36, .35);
}
.page-contact .contact-fineprint a:hover,
.page-contact .contact-fineprint a:focus-visible{ color: var(--cinnabar); }

/* 焦点与动效 */
.page-contact a:focus-visible,
.page-contact button:focus-visible{
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}
.page-contact [data-reveal].is-in{
  animation: pc-rise .34s ease both;
}
@keyframes pc-rise{
  from{ opacity: 0; transform: translateY(12px); }
  to{ opacity: 1; transform: none; }
}

/* 响应式 */
@media (min-width: 560px){
  .page-contact .info-row{
    grid-template-columns: 8.5em 1fr;
    gap: 16px;
    align-items: baseline;
  }
}

@media (min-width: 640px){
  .page-contact .topic-grid{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 780px){
  .page-contact .info-grid{ grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); }
  .page-contact .sub-grid{ grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (min-width: 900px){
  .page-contact .hero-grid{ grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); }
  .page-contact .body-grid{ grid-template-columns: minmax(0, 3fr) minmax(0, 9fr); }
  .page-contact .contact-rail{
    position: sticky;
    top: 20px;
    align-self: start;
  }
}

@media (prefers-reduced-motion: reduce){
  .page-contact [data-reveal].is-in{ animation: none; }
  .page-contact .channel-card:hover,
  .page-contact .channel-card:focus-visible{ transform: none; }
}