.page-contact{
  --c-edge: rgba(217,210,197,.18);
  --c-edge-soft: rgba(217,210,197,.09);
  --c-text-soft: rgba(244,239,230,.78);
  background: var(--ink-900);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.8;
  overflow-x: hidden;
  padding-bottom: clamp(48px,8vw,96px);
}
.page-contact,
.page-contact *{ box-sizing: border-box; }

/* ---------- 首屏 ---------- */
.page-contact .contact-hero{
  position: relative;
  padding: clamp(22px,4vw,40px) var(--gutter) 0;
}
.page-contact .contact-hero__inner{
  max-width: var(--wrap);
  margin: 0 auto;
}
.page-contact .contact-crumb{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 clamp(18px,3vw,28px);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  color: rgba(143,179,199,.9);
}
.page-contact .contact-crumb a{
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(61,242,208,.35);
}
.page-contact .contact-crumb a:hover{ color: var(--cyan-soft); }

.page-contact .contact-kicker{
  display: inline-block;
  margin: 0 0 16px;
  padding: 6px 24px 6px 14px;
  background: var(--orange);
  color: #101820;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .14em;
  clip-path: polygon(0 0, 100% 0, calc(100% - 12px) 100%, 0 100%);
}
.page-contact .contact-hero h1{
  margin: 0 0 18px;
  max-width: 16ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px,8.5vw,74px);
  line-height: 1.02;
  letter-spacing: -.02em;
}
.page-contact .contact-lede{
  margin: 0;
  max-width: 58ch;
  font-size: 16.5px;
  color: var(--c-text-soft);
}
.page-contact .contact-quick{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(20px,3vw,30px);
}
.page-contact .contact-quick a{
  display: flex;
  flex-direction: column;
  gap: 3px;
  flex: 1 1 230px;
  min-width: 0;
  padding: 10px 16px;
  border: 1px solid var(--c-edge);
  border-left: 2px solid var(--cyan);
  background: rgba(14,27,43,.72);
  text-decoration: none;
  color: var(--paper);
  transition: border-color .2s var(--ease), background .2s var(--ease);
}
.page-contact .contact-quick a:hover{
  border-color: rgba(61,242,208,.6);
  background: rgba(19,38,57,.9);
}
.page-contact .contact-quick__key{
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .14em;
  color: var(--steel);
}
.page-contact .contact-quick__val{
  font-family: var(--font-mono);
  font-size: 13px;
  overflow-wrap: anywhere;
}

.page-contact .contact-hero__media{
  position: relative;
  overflow: hidden;
  max-width: var(--wrap);
  margin: clamp(24px,4vw,40px) auto 0;
  border: 1px solid var(--c-edge);
}
.page-contact .contact-hero__media img{
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 8 / 3;
  object-fit: cover;
}
.page-contact .contact-hero__beam{
  position: absolute;
  right: -4%;
  bottom: -46%;
  width: 54%;
  height: 170%;
  background: linear-gradient(180deg, rgba(255,106,43,.55), rgba(255,106,43,0));
  transform: rotate(14deg);
  opacity: .45;
  pointer-events: none;
}

/* ---------- 主体栅格 ---------- */
.page-contact .contact-shell{
  max-width: var(--wrap);
  margin: clamp(32px,5vw,56px) auto 0;
  padding-inline: var(--gutter);
  display: grid;
  grid-template-columns: minmax(0,1fr);
  gap: clamp(24px,4vw,48px);
}
.page-contact .contact-body{ min-width: 0; }

.page-contact .contact-rail{
  border-top: 2px solid var(--cyan);
  padding-top: 14px;
  min-width: 0;
}
.page-contact .contact-rail__title{
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--steel);
}
.page-contact .contact-rail__list{
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 4px 6px;
}
.page-contact .contact-rail__list a{
  display: block;
  padding: 4px 10px;
  border-left: 1px solid var(--c-edge);
  font-size: 13.5px;
  color: var(--paper);
  text-decoration: none;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}
.page-contact .contact-rail__list a:hover,
.page-contact .contact-rail__list a.is-active,
.page-contact .contact-rail__list a[aria-current]{
  color: var(--cyan);
  border-color: var(--cyan);
}
.page-contact .contact-rail__hint{
  margin: 14px 0 0;
  padding-left: 10px;
  border-left: 2px solid rgba(61,242,208,.4);
  font-size: 12.5px;
  line-height: 1.7;
  color: rgba(143,179,199,.95);
}

/* ---------- 章节 ---------- */
.page-contact .contact-sec{
  scroll-margin-top: calc(var(--header-h) + 24px);
}
.page-contact .contact-sec + .contact-sec{
  margin-top: clamp(36px,6vw,64px);
}
.page-contact .contact-eyebrow{
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--cyan);
}
.page-contact .contact-h2{
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(25px,4.6vw,38px);
  line-height: 1.12;
  letter-spacing: -.01em;
}
.page-contact .contact-sec__lede{
  margin: 0 0 clamp(18px,3vw,26px);
  max-width: 58ch;
  font-size: 16px;
  color: var(--c-text-soft);
}

/* ---------- 联系渠道面板 ---------- */
.page-contact .contact-panel{
  position: relative;
  padding: clamp(16px,3.4vw,30px);
  background: var(--paper);
  color: var(--text-dark);
  border: 1px solid var(--c-edge);
  box-shadow: 0 20px 46px -32px rgba(0,0,0,.95);
}
.page-contact .contact-panel::before{
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 96px;
  height: 3px;
  background: var(--cyan);
}
.page-contact .contact-info{
  margin: 0;
}
.page-contact .contact-info__row{
  display: grid;
  grid-template-columns: minmax(0,1fr);
  gap: 2px 18px;
  padding: 13px 0;
  border-bottom: 1px solid rgba(16,24,32,.13);
}
.page-contact .contact-info__row:last-child{ border-bottom: 0; }
.page-contact .contact-info dt{
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: #4a5c6b;
}
.page-contact .contact-info dd{
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-dark);
  overflow-wrap: anywhere;
}
.page-contact .contact-info dd a{
  font-family: var(--font-mono);
  font-weight: 500;
  color: var(--ink-800);
  text-decoration: none;
  border-bottom: 1px solid rgba(255,106,43,.65);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}
.page-contact .contact-info dd a:hover{
  color: #0a5f52;
  border-color: var(--cyan);
}

.page-contact .contact-actions{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(16px,3vw,24px);
}
.page-contact .contact-btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 24px;
  font-size: 14.5px;
  font-weight: 600;
  text-decoration: none;
  clip-path: polygon(0 0, 100% 0, calc(100% - 10px) 100%, 0 100%);
  transition: background .2s var(--ease), color .2s var(--ease);
}
.page-contact .contact-btn--primary{
  background: var(--orange);
  color: #101820;
}
.page-contact .contact-btn--primary:hover{
  background: var(--cyan);
  color: #06231e;
}
.page-contact .contact-btn--ghost{
  background: rgba(16,24,32,.05);
  color: var(--text-dark);
  box-shadow: inset 0 0 0 1px rgba(16,24,32,.4);
}
.page-contact .contact-btn--ghost:hover{
  background: rgba(16,24,32,.12);
}
.page-contact .contact-panel__foot{
  margin: clamp(14px,2.4vw,20px) 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(16,24,32,.66);
}

/* ---------- 反馈说明 ---------- */
.page-contact .contact-feedback{
  display: grid;
  grid-template-columns: minmax(0,1fr);
  gap: clamp(20px,4vw,36px);
}
.page-contact .contact-feedback__copy p{
  margin: 0;
  font-size: 16px;
  color: var(--c-text-soft);
}
.page-contact .contact-cases{
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
.page-contact .contact-cases li{
  padding: 2px 0 2px 14px;
  border-left: 2px solid rgba(61,242,208,.45);
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-text-soft);
}
.page-contact .contact-cases__tag{
  display: inline-block;
  margin-right: 8px;
  padding: 2px 8px;
  background: var(--tag-blue);
  color: var(--cyan-soft);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
}
.page-contact .contact-figure{
  margin: 0;
}
.page-contact .contact-figure img{
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 10 / 7;
  object-fit: cover;
  border: 1px solid var(--c-edge);
}
.page-contact .contact-figure figcaption{
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .04em;
  color: var(--steel);
}

/* ---------- 合作与纠错 ---------- */
.page-contact .contact-split{
  display: grid;
  grid-template-columns: minmax(0,1fr);
  gap: 14px;
}
.page-contact .contact-split__card{
  padding: clamp(16px,3vw,26px);
  border: 1px solid var(--c-edge);
  background: var(--ink-800);
}
.page-contact .contact-split__card--accent{
  background: var(--ink-700);
  border-color: rgba(255,106,43,.4);
  border-top: 2px solid var(--orange);
}
.page-contact .contact-split__card h3{
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 21px;
  letter-spacing: .01em;
}
.page-contact .contact-split__card p{
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--c-text-soft);
}
.page-contact .contact-split__card ul{
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}
.page-contact .contact-split__card li{
  position: relative;
  padding-left: 15px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--c-text-soft);
}
.page-contact .contact-split__card li::before{
  content: "";
  position: absolute;
  left: 0;
  top: .66em;
  width: 5px;
  height: 5px;
  background: var(--cyan);
}
.page-contact .contact-split__card--accent li::before{
  background: var(--orange);
}
.page-contact .contact-split__note{
  margin: 14px 0 0 !important;
  padding-top: 12px;
  border-top: 1px solid var(--c-edge-soft);
  font-family: var(--font-mono);
  font-size: 11.8px !important;
  letter-spacing: .02em;
  color: var(--steel) !important;
}

/* ---------- 地址与到访 ---------- */
.page-contact .contact-loc{
  display: grid;
  grid-template-columns: minmax(0,1fr);
  gap: clamp(18px,3vw,28px);
  padding-top: clamp(18px,3vw,26px);
  border-top: 1px solid var(--c-edge);
}
.page-contact .contact-loc__text p{
  margin: 0 0 12px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--c-text-soft);
}
.page-contact .contact-loc__addr{
  margin: 0 0 14px !important;
  padding-left: 13px;
  border-left: 3px solid var(--orange);
  font-family: var(--font-mono);
  font-size: clamp(15px,2.4vw,19px) !important;
  letter-spacing: .02em;
  color: var(--cyan) !important;
}
.page-contact .contact-loc__map{ min-width: 0; }
.page-contact .contact-map{
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  border: 1px solid var(--c-edge);
  background: var(--ink-950);
}

/* ---------- 相关入口 ---------- */
.page-contact .contact-more{
  margin-top: clamp(32px,5vw,56px);
  padding-top: 18px;
  border-top: 1px solid var(--c-edge);
}
.page-contact .contact-more > p{
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--steel);
}
.page-contact .contact-more ul{
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.page-contact .contact-more a{
  display: inline-block;
  padding: 7px 14px;
  border: 1px solid var(--c-edge);
  font-size: 13.5px;
  color: var(--paper);
  text-decoration: none;
  transition: border-color .2s var(--ease), color .2s var(--ease);
}
.page-contact .contact-more a:hover{
  border-color: var(--cyan);
  color: var(--cyan);
}

/* ---------- 平板 / 桌面 ---------- */
@media (min-width: 640px){
  .page-contact .contact-info__row{
    grid-template-columns: 120px minmax(0,1fr);
    align-items: baseline;
  }
}

@media (min-width: 760px){
  .page-contact .contact-split{
    grid-template-columns: minmax(0,1.05fr) minmax(0,.95fr);
    gap: 18px;
  }
}

@media (min-width: 820px){
  .page-contact .contact-feedback{
    grid-template-columns: minmax(0,1.15fr) minmax(0,.85fr);
    align-items: start;
  }
  .page-contact .contact-loc{
    grid-template-columns: minmax(0,1fr) minmax(0,.9fr);
    align-items: center;
  }
}

@media (min-width: 900px){
  .page-contact .contact-shell{
    grid-template-columns: 196px minmax(0,1fr);
    align-items: start;
  }
  .page-contact .contact-rail{
    position: sticky;
    top: calc(var(--header-h) + 20px);
  }
  .page-contact .contact-rail__list{
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 2px;
  }
  .page-contact .contact-rail__list a{
    padding: 5px 12px;
  }
  .page-contact .contact-lede{ font-size: 17.5px; }
}

@media (prefers-reduced-motion: reduce){
  .page-contact .contact-quick a,
  .page-contact .contact-btn,
  .page-contact .contact-more a,
  .page-contact .contact-rail__list a{
    transition: none;
  }
}
</main>