.page-contact{
  --co-hair: rgba(244,236,220,.13);
  --co-hair-ink: rgba(22,36,29,.14);
  --co-dim: rgba(215,222,217,.74);
  --co-radius: 3px;
  background: var(--ink);
  color: var(--mist);
  padding-top: var(--header-h);
  overflow-x: clip;
}

.page-contact .co-crumb-row{
  padding-top: clamp(18px, 3vw, 30px);
}

.page-contact .co-crumb-row .breadcrumb{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--co-dim);
}

.page-contact .co-crumb-row .breadcrumb a{
  color: var(--neon-dim);
  text-decoration: none;
}

.page-contact .co-crumb-row .breadcrumb a:hover,
.page-contact .co-crumb-row .breadcrumb a:focus-visible{
  color: var(--neon);
  text-decoration: underline;
}

.page-contact .eyebrow{
  color: var(--neon-dim);
  letter-spacing: .16em;
}

.page-contact .eyebrow--paper{
  color: var(--turf);
}

/* ---------- 首屏 ---------- */
.page-contact .co-hero{
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 4vw, 48px) 0 clamp(40px, 7vw, 92px);
  border-bottom: 1px solid var(--co-hair);
  background:
    radial-gradient(120% 90% at 80% 0%, rgba(201,255,61,.12), transparent 62%),
    radial-gradient(90% 70% at 0% 100%, rgba(47,125,80,.24), transparent 60%),
    linear-gradient(180deg, var(--ink-2), var(--ink));
}

.page-contact .co-hero::after{
  content: "合作";
  position: absolute;
  right: -0.06em;
  bottom: -0.2em;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(130px, 24vw, 340px);
  line-height: .8;
  letter-spacing: -.05em;
  color: rgba(201,255,61,.055);
  pointer-events: none;
  user-select: none;
}

.page-contact .co-hero__grid{
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(28px, 5vw, 56px);
  align-items: center;
}

.page-contact .co-hero__lead h1{
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(36px, 7.4vw, 84px);
  line-height: .98;
  letter-spacing: -.015em;
  color: var(--cream);
}

.page-contact .co-hero__accent{
  color: var(--neon);
  display: inline-block;
}

.page-contact .co-hero__intro{
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.78;
  color: var(--co-dim);
}

.page-contact .co-hero__cta{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 34px);
}

.page-contact .co-hero__stats{
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(26px, 4vw, 42px) 0 0;
  background: var(--co-hair);
  border: 1px solid var(--co-hair);
  border-radius: var(--co-radius);
  overflow: hidden;
}

.page-contact .co-stat{
  background: var(--ink-2);
  padding: 14px 16px;
}

.page-contact .co-stat__label{
  margin: 0;
  font-size: 12.5px;
  letter-spacing: .04em;
  color: rgba(215,222,217,.68);
}

.page-contact .co-stat__num{
  margin: 4px 0 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(20px, 2.6vw, 26px);
  color: var(--neon);
}

.page-contact .co-hero__map{
  position: relative;
  padding: clamp(14px, 2vw, 22px);
  border: 1px solid var(--co-hair);
  border-radius: var(--co-radius);
  background: linear-gradient(158deg, rgba(28,81,54,.5), rgba(6,18,14,.92));
  box-shadow: 0 22px 60px -34px rgba(0,0,0,.9);
}

.page-contact .co-map{
  display: block;
  width: 100%;
  height: auto;
}

.page-contact .co-map__grid line{
  stroke: rgba(215,222,217,.12);
  stroke-width: 1;
}

.page-contact .co-map__shape{
  fill: rgba(47,125,80,.2);
  stroke: var(--turf-2);
  stroke-width: 1.5;
  stroke-linejoin: round;
}

.page-contact .co-map__ring{
  fill: none;
  stroke: rgba(201,255,61,.55);
  stroke-width: 1.4;
}

.page-contact .co-map__dot{
  fill: var(--neon);
}

.page-contact .co-map__dot--orange{
  fill: var(--orange);
}

.page-contact .co-hero__mapnote{
  margin: 14px 2px 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(215,222,217,.72);
}

/* ---------- 通用区块头 ---------- */
.page-contact .co-head{
  max-width: 780px;
}

.page-contact .co-head h2,
.page-contact .co-region__text h2{
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(26px, 4.6vw, 46px);
  line-height: 1.06;
  letter-spacing: -.012em;
  color: var(--cream);
}

.page-contact .co-head__sub{
  margin: 14px 0 0;
  font-size: clamp(15px, 1.6vw, 16.5px);
  line-height: 1.78;
  color: var(--co-dim);
}

/* ---------- 合作方向 ---------- */
.page-contact .co-directions__list{
  list-style: none;
  margin: clamp(28px, 5vw, 52px) 0 0;
  padding: 0;
  border-top: 1px solid var(--co-hair);
}

.page-contact .co-direction{
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  padding: clamp(22px, 3vw, 30px) 0;
  border-bottom: 1px solid var(--co-hair);
  transition: background-color .22s var(--ease), padding-left .22s var(--ease);
}

.page-contact .co-direction__no{
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--orange);
}

.page-contact .co-direction__body h3{
  margin: 4px 0 0;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.6vw, 26px);
  font-weight: 700;
  letter-spacing: .005em;
  color: var(--cream);
}

.page-contact .co-direction__body p{
  margin: 10px 0 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--co-dim);
}

.page-contact .co-direction__fit{
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.7;
  letter-spacing: .02em;
  color: var(--neon-dim);
}

/* ---------- 接入流程 ---------- */
.page-contact .co-steps{
  list-style: none;
  position: relative;
  margin: clamp(30px, 5vw, 54px) 0 0;
  padding: 0;
  display: grid;
  gap: 26px;
}

.page-contact .co-steps::before{
  content: "";
  position: absolute;
  left: 14px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, var(--turf-2), rgba(201,255,61,.45), rgba(255,92,43,.6));
}

.page-contact .co-step{
  position: relative;
  padding: 0 0 0 48px;
}

.page-contact .co-step__no{
  position: absolute;
  left: 0;
  top: 2px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--ink-2);
  border: 1px solid var(--neon-dim);
  color: var(--neon);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
}

.page-contact .co-step:first-child .co-step__no{
  border-color: var(--orange);
  color: var(--orange);
  background: rgba(255,92,43,.12);
}

.page-contact .co-step h3{
  margin: 4px 0 0;
  font-family: var(--font-display);
  font-size: clamp(18px, 2.2vw, 21px);
  font-weight: 700;
  color: var(--cream);
}

.page-contact .co-step p{
  margin: 9px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--co-dim);
}

.page-contact .co-flow__figure{
  margin: clamp(34px, 5vw, 60px) 0 0;
}

/* ---------- 赛区与内容共建 ---------- */
.page-contact .co-region__grid{
  display: grid;
  gap: clamp(26px, 4vw, 54px);
  align-items: center;
}

.page-contact .co-region__figure{
  margin: 0;
}

.page-contact .co-region__text > p{
  margin: 16px 0 0;
  font-size: 15.5px;
  line-height: 1.82;
  color: var(--co-dim);
}

.page-contact .co-region__text h2{
  color: var(--cream);
}

.page-contact .co-region__list{
  list-style: none;
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 0;
  display: grid;
  gap: 13px;
}

.page-contact .co-region__list li{
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--co-dim);
}

.page-contact .co-region__list li::before{
  content: "";
  position: absolute;
  left: 2px;
  top: .62em;
  width: 7px;
  height: 7px;
  border-radius: 1px;
  background: var(--neon);
}

.page-contact .co-region__list strong{
  color: var(--cream);
  font-weight: 700;
}

/* ---------- 合作对象 ---------- */
.page-contact .co-partner-list{
  list-style: none;
  margin: clamp(28px, 5vw, 50px) 0 0;
  padding: 0;
  border-top: 1px solid var(--co-hair);
}

.page-contact .co-partner{
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: clamp(18px, 2.6vw, 26px) 0;
  border-bottom: 1px solid var(--co-hair);
}

.page-contact .co-partner__tag{
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(18px, 2.2vw, 21px);
  letter-spacing: .01em;
  color: var(--neon);
}

.page-contact .co-partner__title{
  font-size: 15.5px;
  font-weight: 700;
  color: var(--cream);
}

.page-contact .co-partner__desc{
  font-size: 15px;
  line-height: 1.78;
  color: var(--co-dim);
}

/* ---------- 联系通道 ---------- */
.page-contact .co-contact__panel{
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 4vw, 52px);
  border-radius: var(--co-radius);
}

.page-contact .co-contact__panel::before{
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 5px;
  background: linear-gradient(180deg, var(--orange), var(--neon));
}

.page-contact .co-contact__head h2{
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(26px, 4.4vw, 42px);
  line-height: 1.06;
  color: var(--ink-text);
}

.page-contact .co-contact__head p{
  margin: 14px 0 0;
  max-width: 68ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: #33463C;
}

.page-contact .co-contact__grid{
  display: grid;
  gap: 1px;
  margin: clamp(22px, 3vw, 34px) 0 0;
  background: var(--co-hair-ink);
  border: 1px solid var(--co-hair-ink);
}

.page-contact .co-contact-item{
  background: var(--cream);
  padding: 16px 18px;
}

.page-contact .co-contact-item__label{
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--turf);
}

.page-contact .co-contact-item__value{
  margin: 7px 0 0;
  font-size: clamp(15.5px, 1.8vw, 17px);
  font-weight: 600;
  line-height: 1.6;
  color: var(--ink-text);
  overflow-wrap: anywhere;
}

.page-contact .co-contact__note{
  margin: clamp(18px, 2.4vw, 24px) 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: #46584E;
}

.page-contact .co-contact__links{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(20px, 3vw, 28px);
}

.page-contact .co-contact__links a{
  display: inline-block;
  padding: 8px 14px;
  border: 1px solid rgba(28,81,54,.4);
  border-radius: var(--co-radius);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--turf);
  text-decoration: none;
  transition: background-color .16s var(--ease), color .16s var(--ease), border-color .16s var(--ease);
}

.page-contact .co-contact__links a:hover,
.page-contact .co-contact__links a:focus-visible{
  background: var(--turf);
  border-color: var(--turf);
  color: var(--cream);
}

/* ---------- 锚点偏移与焦点 ---------- */
.page-contact [id="co-directions"],
.page-contact [id="co-flow"],
.page-contact [id="co-region"],
.page-contact [id="co-partners"],
.page-contact [id="co-contact"]{
  scroll-margin-top: calc(var(--header-h) + 16px);
}

.page-contact a:focus-visible,
.page-contact .co-step:focus-visible{
  outline: 2px solid var(--neon);
  outline-offset: 3px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px){
  .page-contact .co-hero__stats{
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .co-contact__grid{
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px){
  .page-contact .co-hero__grid{
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    gap: clamp(36px, 5vw, 68px);
  }

  .page-contact .co-hero__map{
    transform: rotate(-1.4deg);
  }

  .page-contact .co-direction{
    grid-template-columns: 88px minmax(0, 1.3fr) minmax(0, .85fr);
    gap: clamp(20px, 3vw, 42px);
    align-items: start;
    padding: clamp(24px, 3vw, 34px) 0;
  }

  .page-contact .co-direction:nth-child(even){
    padding-left: clamp(20px, 4vw, 58px);
  }

  .page-contact .co-direction:hover{
    background: rgba(28,81,54,.28);
  }

  .page-contact .co-direction__no{
    padding-top: 6px;
  }

  .page-contact .co-direction__fit{
    padding-top: 6px;
  }

  .page-contact .co-steps{
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
    align-items: start;
  }

  .page-contact .co-steps::before{
    left: 6%;
    right: 6%;
    top: 15px;
    bottom: auto;
    width: auto;
    height: 1px;
    background: linear-gradient(90deg, var(--turf-2), var(--neon-dim), var(--orange));
  }

  .page-contact .co-step{
    padding: 0 clamp(14px, 2vw, 22px);
  }

  .page-contact .co-step__no{
    position: relative;
    left: auto;
    top: auto;
    margin: 0 0 16px;
  }

  .page-contact .co-region__grid{
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 1fr);
    align-items: center;
  }

  .page-contact .co-region__figure{
    transform: rotate(1deg);
  }

  .page-contact .co-partner{
    grid-template-columns: 168px minmax(0, 250px) minmax(0, 1fr);
    gap: clamp(18px, 3vw, 40px);
    align-items: baseline;
  }

  .page-contact .co-partner__desc{
    padding-top: 2px;
  }
}

@media (min-width: 1180px){
  .page-contact .co-contact__panel{
    display: grid;
    grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
    gap: clamp(28px, 4vw, 56px);
    align-items: start;
  }

  .page-contact .co-contact__head{
    grid-column: 1;
    grid-row: 1 / span 3;
  }

  .page-contact .co-contact__grid{
    grid-column: 2;
    margin-top: 0;
  }

  .page-contact .co-contact__note,
  .page-contact .co-contact__links{
    grid-column: 2;
  }
}