.page-contact{
  --pc-hair: rgba(176, 138, 62, .45);
  --pc-soft: rgba(20, 49, 42, .12);
  --pc-tint: rgba(220, 230, 223, .55);
  display: block;
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero{
  padding-top: 8px;
}

.page-contact .pc-hero-grid{
  display: grid;
  gap: 30px;
  align-items: center;
}

.page-contact .pc-hero-lead{
  margin-top: 18px;
  color: var(--stone);
  max-width: 46ch;
}

.page-contact .pc-hero-facts{
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 12px;
}

.page-contact .pc-hero-figure{
  position: relative;
  margin: 0;
  padding: 10px;
  border-radius: var(--radius-lg);
  border: var(--line-hair);
  background: var(--green-900);
  box-shadow: var(--shadow-2);
  overflow: hidden;
}

.page-contact .pc-hero-figure::after{
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 12px;
  height: 12px;
  background-image: repeating-linear-gradient(to right, rgba(217, 182, 92, .7) 0 1px, transparent 1px 16px);
  opacity: .8;
  pointer-events: none;
}

.page-contact .pc-hero-figure img{
  display: block;
  width: 100%;
  height: auto;
  border-radius: calc(var(--radius-lg) - 8px);
  object-fit: cover;
  aspect-ratio: 7 / 4;
}

/* ---------- 三个联系入口 ---------- */
.page-contact .pc-channels{
  display: grid;
  gap: 18px;
  margin-top: 28px;
}

.page-contact .pc-channel{
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 26px 24px 24px;
  border-radius: var(--radius-lg);
  background: var(--card);
  border: 1px solid var(--pc-soft);
  transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease);
}

.page-contact .pc-channel:hover{
  transform: translateY(-2px);
  border-color: var(--gold-400);
  box-shadow: var(--shadow-2);
}

.page-contact .pc-channel:focus-within{
  border-color: var(--gold-400);
}

.page-contact .pc-channel-head{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.page-contact .pc-channel-icon{
  width: 44px;
  height: 44px;
  flex: 0 0 44px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: rgba(176, 138, 62, .16);
  border: 1px solid rgba(176, 138, 62, .38);
  color: var(--gold-600);
}

.page-contact .pc-channel-value{
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.55;
  letter-spacing: .02em;
  color: var(--green-800);
  word-break: break-word;
}

.page-contact .pc-channel-note{
  color: var(--stone);
  font-size: 15px;
}

.page-contact .pc-copy{
  align-self: flex-start;
  margin-top: auto;
}

.page-contact .pc-copy .pc-copy-done{
  display: none;
}

.page-contact .pc-copy[data-copied="true"]{
  border-color: var(--gold-400);
  color: var(--green-800);
}

.page-contact .pc-copy[data-copied="true"] .pc-copy-idle{
  display: none;
}

.page-contact .pc-copy[data-copied="true"] .pc-copy-done{
  display: inline;
}

.page-contact .pc-channel--dark{
  background: linear-gradient(155deg, var(--green-800) 0%, var(--green-900) 78%);
  border-color: rgba(176, 138, 62, .42);
  color: var(--paper);
}

.page-contact .pc-channel--dark .pc-channel-icon{
  color: var(--gold-400);
  background: rgba(217, 182, 92, .14);
  border-color: rgba(217, 182, 92, .42);
}

.page-contact .pc-channel--dark .pc-channel-value{
  color: var(--gold-400);
}

.page-contact .pc-channel--dark .pc-channel-note{
  color: rgba(245, 241, 232, .74);
}

.page-contact .pc-address-more{
  margin-top: auto;
  border-top: 1px solid rgba(217, 182, 92, .3);
  padding-top: 14px;
}

.page-contact .pc-address-more summary{
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--gold-400);
  list-style: none;
}

.page-contact .pc-address-more summary::-webkit-details-marker{
  display: none;
}

.page-contact .pc-address-more summary::before{
  content: "+ ";
  font-family: var(--font-mono);
}

.page-contact .pc-address-more[open] summary::before{
  content: "− ";
}

.page-contact .pc-address-more p{
  margin-top: 10px;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(245, 241, 232, .8);
}

/* ---------- 响应时段 ---------- */
.page-contact .pc-response{
  display: grid;
  gap: 30px;
}

.page-contact .pc-response-copy > p{
  color: var(--stone);
  margin-top: 16px;
}

.page-contact .pc-step{
  position: relative;
}

.page-contact .pc-steps{
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-contact .pc-step{
  padding: 22px 20px 20px;
  border-radius: var(--radius-md);
  background: var(--card);
  border: 1px solid var(--pc-soft);
  transition: transform var(--ease), border-color var(--ease), box-shadow var(--ease);
}

.page-contact .pc-step:hover{
  transform: translateY(-2px);
  border-color: var(--gold-400);
  box-shadow: var(--shadow-1);
}

.page-contact .pc-step-chip{
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  margin-bottom: 14px;
  border-radius: 50%;
  background: var(--green-800);
  color: var(--gold-400);
  border: 2px dashed rgba(217, 182, 92, .6);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
}

.page-contact .pc-step p{
  font-size: 15px;
  color: var(--stone);
  margin-top: 8px;
}

.page-contact .pc-response-figure{
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--pc-soft);
  background: var(--green-900);
}

.page-contact .pc-response-figure img{
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 5 / 3;
}

/* ---------- 分类指引 ---------- */
.page-contact .pc-class-lead{
  color: var(--stone);
  margin-top: 14px;
  max-width: 52ch;
}

.page-contact .pc-class-list{
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  border-top: var(--line-hair);
}

.page-contact .pc-class-item{
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 6px 16px;
  padding: 22px 8px;
  border-bottom: 1px solid var(--pc-soft);
  transition: background var(--ease);
}

.page-contact .pc-class-item:hover{
  background: var(--pc-tint);
}

.page-contact .pc-class-id{
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--gold-600);
  padding-top: 4px;
}

.page-contact .pc-class-body p{
  margin-top: 8px;
  font-size: 15px;
  color: var(--stone);
}

.page-contact .pc-class-tail{
  margin-top: 26px;
  padding: 20px 22px;
  border-radius: var(--radius-md);
  background: var(--mist);
  color: var(--green-800);
  font-size: 15px;
}

/* ---------- 提交之前 ---------- */
.page-contact .pc-checklist{
  display: grid;
  gap: 16px;
  margin-top: 28px;
}

.page-contact .pc-check{
  position: relative;
  padding: 26px 22px 22px;
  border-radius: var(--radius-md);
  background: var(--mist);
  border: 1px solid rgba(63, 107, 91, .22);
  border-left: 3px solid var(--gold-600);
}

.page-contact .pc-check-mark{
  display: block;
  width: 12px;
  height: 12px;
  margin-bottom: 14px;
  border-radius: 50%;
  background: var(--green-600);
  box-shadow: 0 0 0 4px rgba(63, 107, 91, .14);
}

.page-contact .pc-check p{
  margin-top: 8px;
  font-size: 15px;
  color: var(--stone);
}

/* ---------- 商务与供稿 ---------- */
.page-contact .pc-biz{
  position: relative;
  overflow: hidden;
  display: grid;
  gap: 28px;
  padding: 34px 24px;
  border-radius: var(--radius-lg);
  background: linear-gradient(150deg, var(--green-800) 0%, var(--green-900) 74%);
  color: var(--paper);
}

.page-contact .pc-biz::before{
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(217, 182, 92, .12) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(217, 182, 92, .12) 1px, transparent 1px);
  background-size: 34px 34px;
  opacity: .55;
  pointer-events: none;
}

.page-contact .pc-biz-col{
  position: relative;
  z-index: 1;
}

.page-contact .pc-biz-eyebrow{
  color: var(--gold-400);
}

.page-contact .pc-biz h2{
  color: var(--paper);
  margin-top: 10px;
}

.page-contact .pc-biz-col p{
  margin-top: 12px;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(245, 241, 232, .78);
}

/* ---------- 收尾 ---------- */
.page-contact .pc-outro{
  padding-bottom: 40px;
}

.page-contact .pc-outro-inner{
  border-top: var(--line-hair);
  padding-top: 22px;
  display: grid;
  gap: 8px;
}

.page-contact .pc-outro-line{
  color: var(--gold-600);
  font-size: 13px;
}

.page-contact .pc-outro-text{
  font-family: var(--font-serif);
  font-size: 20px;
  color: var(--green-800);
}

/* ---------- 焦点反馈 ---------- */
.page-contact a:focus-visible,
.page-contact button:focus-visible,
.page-contact summary:focus-visible{
  outline: 2px solid var(--gold-400);
  outline-offset: 3px;
  border-radius: var(--radius-pill);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px){
  .page-contact .pc-channels{
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .pc-channel--dark{
    grid-column: 1 / -1;
  }

  .page-contact .pc-steps{
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .pc-step:not(:last-child)::after{
    content: "";
    position: absolute;
    top: 41px;
    right: -18px;
    width: 18px;
    height: 1px;
    background: var(--pc-hair);
  }

  .page-contact .pc-checklist{
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 980px){
  .page-contact .pc-hero-grid{
    grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
    gap: 48px;
  }

  .page-contact .pc-response{
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    gap: 44px;
    align-items: start;
  }

  .page-contact .pc-response-figure{
    position: sticky;
    top: 32px;
  }

  .page-contact .pc-biz{
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 40px;
    padding: 46px 44px;
  }
}

@media (min-width: 1080px){
  .page-contact .pc-channels{
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .pc-channel--dark{
    grid-column: auto;
  }
}

@media (max-width: 520px){
  .page-contact .pc-class-item{
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
    padding: 20px 4px;
  }

  .page-contact .pc-class-id{
    padding-top: 0;
  }

  .page-contact .pc-hero-figure{
    padding: 8px;
  }

  .page-contact .pc-outro-text{
    font-size: 18px;
  }
}

@media (prefers-reduced-motion: reduce){
  .page-contact .pc-channel,
  .page-contact .pc-step{
    transition: none;
  }

  .page-contact .pc-channel:hover,
  .page-contact .pc-step:hover{
    transform: none;
  }
}
<<<END>>>