/* ===== 联系我们 / page-contact ===== */
.page-contact{
  --pc-gap: clamp(20px, 3.4vw, 40px);
  --pc-cut: clamp(30px, 6vw, 74px);
  display: block;
  padding-bottom: clamp(56px, 9vw, 120px);
}

.page-contact .breadcrumb{
  padding-top: clamp(18px, 2.4vw, 30px);
}

/* --- 首屏：斜切联络面板 + 场景清单 --- */
.page-contact .contact-hero{
  margin-top: clamp(16px, 2.6vw, 34px);
}

.page-contact .contact-hero__grid{
  display: grid;
  gap: var(--pc-gap);
  align-items: start;
}

.page-contact .contact-panel{
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border: 1px solid var(--line);
  background:
    linear-gradient(152deg, rgba(201, 247, 59, 0.09), rgba(10, 31, 25, 0) 55%),
    var(--card);
  padding:
    clamp(26px, 4.6vw, 52px)
    clamp(20px, 4vw, 48px)
    calc(clamp(26px, 4.6vw, 52px) + var(--pc-cut));
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--pc-cut)), 0 100%);
}

.page-contact .contact-panel__bg{
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.2;
  filter: grayscale(0.35) contrast(1.08);
  z-index: 0;
}

.page-contact .contact-panel__inner{
  position: relative;
  z-index: 1;
  max-width: 40rem;
}

.page-contact .contact-panel__kicker{
  margin: 0 0 14px;
  color: var(--lime);
}

.page-contact .contact-panel h1{
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(34px, 7.4vw, 62px);
  line-height: 1.02;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-contact .contact-panel__lede{
  margin: 0 0 clamp(20px, 3vw, 32px);
  max-width: 34em;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--silver);
}

.page-contact .contact-line{
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
}

.page-contact .contact-line:last-of-type{
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-line__key{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--silver);
}

.page-contact .contact-line__val{
  font-family: var(--font-mono);
  font-size: clamp(17px, 3.8vw, 25px);
  letter-spacing: 0.02em;
  line-height: 1.3;
  color: var(--lime);
  word-break: break-all;
}

.page-contact .contact-line__note{
  font-size: 13px;
  line-height: 1.75;
  color: var(--silver);
}

.page-contact .contact-panel__foot{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 20px 0 0;
}

/* 场景清单 */
.page-contact .contact-topics__title{
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--silver);
}

.page-contact .topic-list{
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-contact .topic-item{
  border-bottom: 1px solid var(--line);
}

.page-contact .topic-link{
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 12px;
  padding: 17px 4px 17px 0;
  text-decoration: none;
  color: var(--mist);
  transition: transform var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-contact .topic-link:hover,
.page-contact .topic-link:focus-visible{
  transform: translateX(5px);
  color: var(--lime);
}

.page-contact .topic-item__idx{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--lime-dim);
}

.page-contact .topic-item__text{
  font-size: 15px;
  line-height: 1.65;
}

.page-contact .topic-item__arrow{
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--silver);
  transition: color var(--dur) var(--ease);
}

.page-contact .topic-link:hover .topic-item__arrow{
  color: var(--lime);
}

/* --- 通用分节 --- */
.page-contact .pc-sec{
  padding-top: clamp(48px, 7vw, 96px);
}

.page-contact .section-head{
  margin-bottom: clamp(16px, 2.4vw, 26px);
}

.page-contact .pc-lede{
  max-width: 62ch;
  margin: 0 0 clamp(24px, 3.4vw, 40px);
}

/* --- 邮件准备事项 --- */
.page-contact .prep-grid{
  display: grid;
  gap: 14px;
}

.page-contact .prep-item{
  border: 1px solid var(--line);
  background: var(--card);
  padding: 18px 20px;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .prep-item:hover{
  transform: translateY(-2px);
  box-shadow: var(--shadow-2);
  border-color: rgba(201, 247, 59, 0.3);
}

.page-contact .prep-item summary{
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--mist);
}

.page-contact .prep-item summary::-webkit-details-marker{
  display: none;
}

.page-contact .prep-item summary::before{
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1;
  color: var(--lime);
}

.page-contact .prep-item[open] summary::before{
  content: "\2212";
}

.page-contact .prep-item p{
  margin: 12px 0 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--silver);
}

.page-contact .prep-item__meta{
  display: block;
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--lime-dim);
}

.page-contact .prep-item__meta a{
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: border-color var(--dur) var(--ease);
}

.page-contact .prep-item__meta a:hover{
  border-color: var(--lime);
}

/* --- 处理流程时间轴 --- */
.page-contact .flow-list{
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .flow-list .timeline__item{
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

.page-contact .flow-list .timeline__item:last-child{
  border-bottom: 1px solid var(--line);
}

.page-contact .flow-list .timeline__time{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--lime);
}

.page-contact .flow-list .timeline__title{
  margin: 8px 0 8px;
  font-family: var(--font-display);
  font-size: clamp(17px, 2.4vw, 21px);
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--mist);
}

.page-contact .pc-note{
  margin: 0;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--silver);
}

/* --- 内容与数据合作 --- */
.page-contact .coop-grid{
  display: grid;
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
  margin-bottom: clamp(26px, 3.4vw, 40px);
}

.page-contact .coop-card{
  background: var(--night);
  padding: clamp(20px, 2.6vw, 30px);
}

.page-contact .coop-card__idx{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--lime-dim);
}

.page-contact .coop-card h3{
  margin: 10px 0 12px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--mist);
}

.page-contact .coop-card p{
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--silver);
}

.page-contact .coop-req{
  border-top: 1px solid var(--line);
  padding-top: clamp(20px, 2.6vw, 28px);
}

.page-contact .coop-req h3{
  margin: 0;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-contact .coop-req ul{
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .coop-req li{
  position: relative;
  padding-left: 18px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--silver);
}

.page-contact .coop-req li::before{
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 9px;
  height: 1px;
  background: var(--lime);
}

/* --- 通信地址与来访 --- */
.page-contact .visit-grid{
  display: grid;
  gap: var(--pc-gap);
}

.page-contact .addr-list{
  margin: 0;
}

.page-contact .addr-row{
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  gap: 14px;
  padding: 15px 0;
  border-top: 1px solid var(--line);
}

.page-contact .addr-row:last-child{
  border-bottom: 1px solid var(--line);
}

.page-contact .addr-row dt{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--lime-dim);
  padding-top: 3px;
}

.page-contact .addr-row dd{
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .visit-figure{
  position: relative;
  margin: 0;
  border: 1px solid var(--line);
  background: var(--card);
  overflow: hidden;
}

.page-contact .visit-figure img{
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  filter: grayscale(0.25) contrast(1.06) brightness(0.88);
}

.page-contact .visit-figure__svg{
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.page-contact .visit-figure__caption{
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 30px 16px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  line-height: 1.6;
  color: var(--mist);
  background: linear-gradient(to top, rgba(10, 31, 25, 0.94), rgba(10, 31, 25, 0));
}

/* --- 响应式 --- */
@media (min-width: 760px){
  .page-contact .prep-grid{
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

  .page-contact .prep-grid .prep-item:nth-child(2){
    margin-top: 26px;
  }

  .page-contact .coop-req ul{
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px 32px;
  }
}

@media (min-width: 900px){
  .page-contact .contact-hero__grid{
    grid-template-columns: minmax(0, 7fr) minmax(0, 4.6fr);
    gap: clamp(24px, 3vw, 48px);
  }

  .page-contact .contact-panel{
    clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--pc-cut)), 9% 100%, 0 100%);
  }

  .page-contact .contact-topics{
    border-left: 1px solid var(--line);
    padding-left: clamp(20px, 2.6vw, 36px);
    margin-top: clamp(8px, 1.4vw, 18px);
  }

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

  .page-contact .visit-grid{
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    gap: clamp(24px, 3vw, 48px);
    align-items: center;
  }
}

@media (min-width: 1120px){
  .page-contact .flow-list .timeline__item{
    padding-left: clamp(0px, 1.6vw, 22px);
  }
}
<<<END>>>