.page-contact{
  --pc-line: 1px solid var(--c-rule);
  --pc-pad: clamp(20px, 3.2vw, 34px);
  --pc-radius: 2px 22px 2px 22px;
  --pc-gap: clamp(16px, 2.4vw, 24px);
  overflow-x: clip;
}

.page-contact > .tk-container{
  padding-top: clamp(14px, 3vw, 26px);
}

/* ---------- 开场 ---------- */
.page-contact .pc-hero{
  position: relative;
  isolation: isolate;
  padding-top: clamp(10px, 2vw, 20px);
}

.page-contact .pc-hero::before{
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: min(58vw, 660px);
  height: 100%;
  z-index: -1;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(0deg, transparent 0 39px, rgba(33, 66, 58, 0.5) 39px 40px),
    repeating-linear-gradient(90deg, transparent 0 39px, rgba(33, 66, 58, 0.5) 39px 40px);
  -webkit-mask-image: radial-gradient(72% 62% at 72% 38%, #000 0%, transparent 78%);
  mask-image: radial-gradient(72% 62% at 72% 38%, #000 0%, transparent 78%);
}

.page-contact .pc-hero__grid{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 5vw, 56px);
  align-items: end;
}

.page-contact .pc-hero__copy h1{
  margin: 12px 0 18px;
  font-family: var(--f-head);
  font-size: clamp(30px, 6.2vw, 60px);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.02em;
  max-width: 13em;
  color: var(--c-mist);
}

.page-contact .pc-hero .tk-lead{
  margin: 0;
  max-width: 32em;
  font-size: clamp(15px, 2vw, 17px);
  line-height: 1.8;
  color: var(--c-silver);
}

.page-contact .pc-hero__actions{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3.4vw, 32px);
}

.page-contact .pc-hero__facts{
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: clamp(24px, 4vw, 38px) 0 0;
  padding-top: 18px;
  border-top: var(--pc-line);
}

.page-contact .pc-hero__facts dt{
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  line-height: 1.5;
  color: var(--c-silver);
}

.page-contact .pc-hero__facts dd{
  margin: 8px 0 0;
  font-family: var(--f-display);
  font-size: clamp(20px, 3.2vw, 30px);
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--c-lime);
}

.page-contact .pc-hero__figure{
  position: relative;
  margin: 0;
  border: var(--pc-line);
  border-radius: 2px 28px 2px 28px;
  overflow: hidden;
  background: var(--c-panel);
  box-shadow: var(--sh-deep);
}

.page-contact .pc-hero__img{
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(0.82) contrast(1.05);
  max-width: 100%;
}

.page-contact .pc-hero__figure figcaption{
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 30px 16px 14px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--c-mist);
  background: linear-gradient(180deg, rgba(7, 22, 18, 0), rgba(7, 22, 18, 0.9));
}

/* ---------- 章节标题 ---------- */
.page-contact .pc-sec-head{
  max-width: 780px;
  margin-bottom: clamp(24px, 4vw, 44px);
}

.page-contact .pc-sec-head h2{
  margin: 10px 0 14px;
  font-family: var(--f-head);
  font-size: clamp(23px, 4vw, 38px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--c-mist);
}

.page-contact .pc-sec-head__note{
  margin: 0;
  max-width: 36em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-silver);
}

/* ---------- 合作方向 ---------- */
.page-contact .pc-directions{
  background: linear-gradient(
    180deg,
    rgba(12, 27, 42, 0),
    rgba(12, 27, 42, 0.78) 14%,
    rgba(12, 27, 42, 0.78) 88%,
    rgba(12, 27, 42, 0)
  );
}

.page-contact .pc-cards{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pc-gap);
}

.page-contact .pc-card{
  position: relative;
  padding: var(--pc-pad);
  background: var(--c-panel);
  border: var(--pc-line);
  border-radius: var(--pc-radius);
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}

.page-contact .pc-card::after{
  content: "";
  position: absolute;
  top: 14px;
  right: 14px;
  width: 8px;
  height: 8px;
  border-top: 1px solid var(--c-rule);
  border-right: 1px solid var(--c-rule);
}

.page-contact .pc-card:hover,
.page-contact .pc-card:focus-within{
  border-color: var(--c-lime);
  transform: translateY(-3px);
}

.page-contact .pc-card .tk-tag{
  display: inline-block;
  margin: 0 0 14px;
}

.page-contact .pc-card h3{
  margin: 0 0 10px;
  font-family: var(--f-head);
  font-size: clamp(18px, 2.6vw, 24px);
  font-weight: 700;
  line-height: 1.3;
  color: var(--c-mist);
}

.page-contact .pc-card > p{
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--c-silver);
  max-width: 36em;
}

.page-contact .pc-card__more{
  display: grid;
  grid-template-rows: 0fr;
  opacity: 0;
  margin-top: 0;
  transition: grid-template-rows 0.36s var(--ease), opacity 0.3s var(--ease), margin-top 0.3s var(--ease);
}

.page-contact .pc-card__more-inner{
  min-height: 0;
  overflow: hidden;
}

.page-contact .pc-card:hover .pc-card__more,
.page-contact .pc-card:focus-within .pc-card__more{
  grid-template-rows: 1fr;
  opacity: 1;
  margin-top: 14px;
}

.page-contact .pc-card__more-label{
  margin: 0 0 4px;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--c-orange);
}

.page-contact .pc-card__more-inner p:last-child{
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--c-mist);
  border-left: 2px solid rgba(255, 123, 61, 0.55);
  padding-left: 12px;
}

.page-contact .pc-card__meta{
  display: grid;
  gap: 8px;
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--c-rule);
}

.page-contact .pc-card__meta > div{
  display: flex;
  gap: 12px;
  align-items: baseline;
}

.page-contact .pc-card__meta dt{
  flex: 0 0 auto;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--c-silver);
}

.page-contact .pc-card__meta dd{
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--c-mist);
}

/* ---------- 流程 ---------- */
.page-contact .pc-steps{
  list-style: none;
  margin: 0;
  padding: 0;
  max-width: 860px;
}

.page-contact .pc-step{
  position: relative;
  padding: 0 0 clamp(22px, 3.6vw, 36px) clamp(48px, 7vw, 72px);
}

.page-contact .pc-step::before{
  content: "";
  position: absolute;
  left: 17px;
  top: 40px;
  bottom: 6px;
  width: 1px;
  background: linear-gradient(180deg, var(--c-rule), rgba(33, 66, 58, 0.12));
}

.page-contact .pc-step:last-child{
  padding-bottom: 0;
}

.page-contact .pc-step:last-child::before{
  display: none;
}

.page-contact .pc-step__no{
  position: absolute;
  left: 0;
  top: 0;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  font-family: var(--f-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--c-lime);
  background: rgba(200, 255, 77, 0.07);
  border: 1px solid var(--c-lime);
  border-radius: 2px 10px 2px 10px;
}

.page-contact .pc-step__body h3{
  margin: 5px 0 8px;
  font-family: var(--f-head);
  font-size: clamp(17px, 2.4vw, 21px);
  font-weight: 700;
  color: var(--c-mist);
}

.page-contact .pc-step__body > p{
  margin: 0;
  max-width: 38em;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--c-silver);
}

.page-contact .pc-step__more{
  margin-top: 12px;
  max-width: 38em;
  border-top: 1px dashed var(--c-rule);
}

.page-contact .pc-step__more summary{
  padding: 10px 0 4px;
  cursor: pointer;
  list-style: none;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--c-orange);
}

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

.page-contact .pc-step__more summary::after{
  content: " ＋";
}

.page-contact .pc-step__more[open] summary::after{
  content: " －";
}

.page-contact .pc-step__more ul{
  margin: 8px 0 0;
  padding-left: 18px;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--c-mist);
}

/* ---------- 配合条件 ---------- */
.page-contact .pc-fit{
  background: var(--c-navy);
  border-top: 1px solid var(--c-rule-soft);
  border-bottom: 1px solid var(--c-rule-soft);
}

.page-contact .pc-fit__grid{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 48px);
  align-items: start;
}

.page-contact .pc-fit__copy h2{
  margin: 10px 0 14px;
  font-family: var(--f-head);
  font-size: clamp(23px, 4vw, 36px);
  font-weight: 700;
  line-height: 1.2;
  color: var(--c-mist);
}

.page-contact .pc-fit__block{
  padding: 16px 0;
  border-top: 1px solid var(--c-rule);
}

.page-contact .pc-fit__block:first-of-type{
  margin-top: clamp(18px, 3vw, 28px);
}

.page-contact .pc-fit__block:last-child{
  border-bottom: 1px solid var(--c-rule);
}

.page-contact .pc-fit__block h3{
  margin: 0 0 8px;
  font-family: var(--f-head);
  font-size: 16px;
  font-weight: 700;
  color: var(--c-lime);
}

.page-contact .pc-fit__block ul{
  margin: 0;
  padding-left: 16px;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--c-silver);
}

.page-contact .pc-fit__figure{
  position: relative;
  margin: 0;
  border: var(--pc-line);
  border-radius: 2px 26px 2px 26px;
  overflow: hidden;
  background: var(--c-panel);
}

.page-contact .pc-fit__img{
  display: block;
  width: 100%;
  max-width: 100%;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  filter: saturate(0.78) contrast(1.06);
}

.page-contact .pc-fit__cap{
  padding: 12px 16px 14px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--c-silver);
  border-top: 1px solid var(--c-rule);
  background: rgba(7, 22, 18, 0.5);
}

/* ---------- 发起沟通（纸白） ---------- */
.page-contact .pc-mail__inner{
  max-width: 820px;
}

.page-contact .pc-mail .tk-label{
  color: #3f6b60;
}

.page-contact .pc-mail h2{
  margin: 10px 0 10px;
  font-family: var(--f-head);
  font-size: clamp(23px, 4vw, 36px);
  font-weight: 700;
  line-height: 1.2;
  color: var(--c-inktext);
}

.page-contact .pc-mail__intro{
  margin: 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.8;
  color: #334c45;
}

.page-contact .pc-mail__list{
  list-style: none;
  counter-reset: pc-mail;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .pc-mail__list li{
  counter-increment: pc-mail;
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 14px 16px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--c-inktext);
  background: rgba(16, 32, 28, 0.045);
  border-left: 2px solid var(--c-inktext);
}

.page-contact .pc-mail__list li::before{
  content: "0" counter(pc-mail);
  font-family: var(--f-mono);
  font-size: 13px;
  line-height: 1.95;
  letter-spacing: 0.04em;
  color: #4a6f65;
}

.page-contact .pc-mail__cta{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: clamp(22px, 3vw, 30px);
  padding: 14px 28px;
  font-family: var(--f-mono);
  font-size: 14px;
  letter-spacing: 0.06em;
  color: var(--c-paper);
  background: var(--c-inktext);
  border: 1px solid var(--c-inktext);
  border-radius: 999px;
  text-decoration: none;
  transition: background 0.3s var(--ease), color 0.3s var(--ease);
}

.page-contact .pc-mail__cta:hover{
  background: transparent;
  color: var(--c-inktext);
}

.page-contact .pc-mail__aside{
  margin: 14px 0 0;
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: #4a6f65;
}

/* ---------- 联系信息卡 ---------- */
.page-contact .pc-contact{
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-contact .pc-contact__card{
  position: relative;
  max-width: 760px;
  margin: 0 auto;
  padding: clamp(26px, 5vw, 52px) clamp(20px, 4vw, 46px);
  text-align: center;
  background:
    radial-gradient(120% 110% at 50% 0%, rgba(200, 255, 77, 0.1), transparent 62%),
    var(--c-panel);
  border: 1px solid var(--c-lime);
  border-radius: 2px 32px 2px 32px;
  box-shadow: var(--sh-deep);
}

.page-contact .pc-contact__card::before,
.page-contact .pc-contact__card::after{
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  border: 1px solid var(--c-lime);
  pointer-events: none;
}

.page-contact .pc-contact__card::before{
  top: -1px;
  left: -1px;
  border-right: 0;
  border-bottom: 0;
}

.page-contact .pc-contact__card::after{
  bottom: -1px;
  right: -1px;
  border-left: 0;
  border-top: 0;
}

.page-contact .pc-contact__card h2{
  margin: 10px 0 0;
  font-family: var(--f-head);
  font-size: clamp(23px, 4vw, 34px);
  font-weight: 700;
  line-height: 1.2;
  color: var(--c-mist);
}

.page-contact .pc-contact__rows{
  list-style: none;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--c-rule);
  border: 1px solid var(--c-rule);
}

.page-contact .pc-contact__rows li{
  display: grid;
  gap: 5px;
  padding: 14px 16px;
  background: var(--c-panel);
}

.page-contact .pc-contact__key{
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--c-silver);
}

.page-contact .pc-contact__val{
  font-family: var(--f-mono);
  font-size: 14px;
  letter-spacing: 0.02em;
  line-height: 1.7;
  color: var(--c-mist);
  text-decoration: none;
  word-break: break-all;
}

.page-contact a.pc-contact__val{
  color: var(--c-lime);
  border-bottom: 1px solid rgba(200, 255, 77, 0.35);
  transition: border-color 0.25s var(--ease);
}

.page-contact a.pc-contact__val:hover{
  border-bottom-color: var(--c-lime);
}

.page-contact .pc-contact__val--text{
  font-family: var(--f-body);
  font-size: 14px;
  letter-spacing: 0;
}

.page-contact .pc-contact__note{
  margin: 18px auto 0;
  max-width: 30em;
  font-size: 13px;
  line-height: 1.75;
  color: var(--c-silver);
}

.page-contact .pc-contact__links{
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--c-rule);
  font-size: 12.5px;
  color: var(--c-rule);
}

.page-contact .pc-contact__links a{
  color: var(--c-mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s var(--ease);
}

.page-contact .pc-contact__links a:hover{
  border-bottom-color: var(--c-lime);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px){
  .page-contact .pc-contact__rows li{
    grid-template-columns: 96px minmax(0, 1fr);
    align-items: baseline;
    gap: 16px;
    text-align: left;
    padding: 15px 20px;
  }
}

@media (min-width: 820px){
  .page-contact .pc-cards{
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: clamp(16px, 2vw, 26px);
  }

  .page-contact .pc-card--a{
    grid-column: 1 / span 7;
  }

  .page-contact .pc-card--b{
    grid-column: 8 / span 5;
    margin-top: clamp(26px, 4vw, 56px);
  }

  .page-contact .pc-card--c{
    grid-column: 1 / span 5;
  }

  .page-contact .pc-card--d{
    grid-column: 6 / span 7;
    margin-top: clamp(26px, 4vw, 56px);
  }

  .page-contact .pc-hero__facts dt{
    font-size: 11px;
  }
}

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

  .page-contact .pc-hero__figure{
    transform: translateY(-14px);
  }

  .page-contact .pc-fit__grid{
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    gap: clamp(32px, 4vw, 56px);
  }

  .page-contact .pc-fit__figure{
    position: sticky;
    top: calc(var(--header-h) + 24px);
    margin-top: clamp(18px, 3vw, 30px);
  }
}

@media (hover: none){
  .page-contact .pc-card__more{
    grid-template-rows: 1fr;
    opacity: 1;
    margin-top: 14px;
  }

  .page-contact .pc-card:hover{
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce){
  .page-contact .pc-card,
  .page-contact .pc-card__more,
  .page-contact .pc-mail__cta,
  .page-contact .pc-contact__links a{
    transition: none;
  }

  .page-contact .pc-card:hover,
  .page-contact .pc-card:focus-within{
    transform: none;
  }
}