.page-contact{
  --co-track: rgba(107,116,109,.45);
  --co-accent: var(--sb-moss);
  background: var(--sb-deep);
  color: var(--sb-warm);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-contact .co-hero{
  position: relative;
  padding: 26px 0 46px;
  overflow: hidden;
  border-bottom: 2px solid var(--sb-moss);
  background:
    radial-gradient(120% 100% at 92% -10%, rgba(242,163,59,.18), transparent 62%),
    linear-gradient(155deg, #071A13 0%, #0A2018 54%, #071A13 100%);
}
.page-contact .co-hero::after{
  content: "";
  position: absolute;
  right: -90px;
  bottom: -130px;
  width: 320px;
  height: 320px;
  transform: rotate(24deg);
  background: rgba(155,230,79,.06);
  border: 2px solid rgba(155,230,79,.18);
  pointer-events: none;
}
.page-contact .co-hero__inner{
  position: relative;
  z-index: 1;
  display: grid;
  gap: 28px;
  align-items: center;
}
.page-contact .co-hero .sb-breadcrumb{
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--sb-stone);
}
.page-contact .co-hero .sb-breadcrumb a{
  color: var(--sb-sand);
  text-decoration: none;
}
.page-contact .co-hero .sb-breadcrumb a:hover{
  color: var(--sb-lime);
}
.page-contact .co-hero__eyebrow{
  margin: 18px 0 0;
  color: var(--sb-amber);
  letter-spacing: .18em;
}
.page-contact .co-hero__title{
  margin: 14px 0 0;
  font-family: var(--sb-font-head);
  font-weight: 300;
  font-size: clamp(34px, 8.4vw, 62px);
  line-height: 1.06;
  letter-spacing: -.02em;
  color: var(--sb-warm);
}
.page-contact .co-hero__title em{
  font-style: normal;
  color: var(--sb-lime);
}
.page-contact .co-hero__lead{
  margin: 18px 0 0;
  max-width: 48ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--sb-sand);
}
.page-contact .co-hero__actions{
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-contact .sb-btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  font-family: var(--sb-font-body);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .04em;
  text-decoration: none;
  border: 2px solid var(--sb-moss);
  border-radius: 0;
  transition: transform .16s ease, background-color .16s ease, color .16s ease;
}
.page-contact .sb-btn--amber{
  background: var(--sb-amber);
  border-color: var(--sb-amber);
  color: #1A1004;
}
.page-contact .sb-btn--amber:hover{
  background: var(--sb-lime);
  border-color: var(--sb-lime);
  transform: translateY(-2px);
}
.page-contact .sb-btn--ghost{
  background: transparent;
  color: var(--sb-warm);
  border-color: var(--sb-moss);
}
.page-contact .sb-btn--ghost:hover{
  color: var(--sb-lime);
  border-color: var(--sb-lime);
  transform: translateY(-2px);
}
.page-contact .co-hero__note{
  margin: 16px 0 0;
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--sb-stone);
}
.page-contact .co-hero__media{
  position: relative;
  margin: 0;
  border: 2px solid var(--sb-moss);
  box-shadow: 8px 8px 0 var(--sb-black);
  background: var(--sb-panel);
}
.page-contact .co-hero__media img{
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: saturate(.72) brightness(.82) contrast(1.05);
}
.page-contact .co-hero__media figcaption{
  padding: 10px 12px;
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--sb-stone);
  border-top: 2px solid var(--sb-moss);
  background: rgba(3,11,8,.6);
}

/* ---------- 通用章节头 ---------- */
.page-contact .co-sechead{
  max-width: 700px;
}
.page-contact .co-sechead .sb-index{
  color: var(--sb-amber);
  letter-spacing: .16em;
}
.page-contact .co-h2{
  margin: 12px 0 0;
  font-family: var(--sb-font-head);
  font-weight: 300;
  font-size: clamp(24px, 4.8vw, 38px);
  line-height: 1.22;
  letter-spacing: -.01em;
  color: var(--sb-warm);
}
.page-contact .co-sechead__lead{
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--sb-sand);
}

/* ---------- 合作方向 ---------- */
.page-contact .co-directions{
  padding: 48px 0 0;
}
.page-contact .co-dirs{
  display: grid;
  gap: 16px;
  margin-top: 28px;
}
.page-contact .co-dir{
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px 18px 22px;
  background: var(--sb-panel);
  border: 2px solid var(--sb-moss);
  border-top: 6px solid var(--co-accent);
  box-shadow: 6px 6px 0 var(--sb-black);
  transition: transform .18s ease, box-shadow .18s ease;
}
.page-contact .co-dir:hover{
  transform: translate(-2px,-2px);
  box-shadow: 9px 9px 0 var(--sb-black);
}
.page-contact .co-dir--venue{ --co-accent: var(--sb-amber); }
.page-contact .co-dir--fan{ --co-accent: var(--sb-lime); }
.page-contact .co-dir--media{ --co-accent: var(--sb-clay); }
.page-contact .co-dir--ops{ --co-accent: var(--sb-sand); }
.page-contact .co-dir__num{
  font-family: var(--sb-font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--co-accent);
}
.page-contact .co-dir__title{
  margin: 0;
  font-family: var(--sb-font-head);
  font-size: 19px;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--sb-warm);
}
.page-contact .co-dir__desc{
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--sb-sand);
}
.page-contact .co-dir__list{
  margin: 4px 0 0;
  padding: 14px 0 0;
  list-style: none;
  display: grid;
  gap: 8px;
  border-top: 1px dashed var(--co-track);
}
.page-contact .co-dir__list li{
  position: relative;
  padding-left: 16px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--sb-sand);
}
.page-contact .co-dir__list li::before{
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 6px;
  height: 6px;
  background: var(--co-accent);
  transform: rotate(45deg);
}

/* ---------- 服务能力 ---------- */
.page-contact .co-metrics{
  margin: 48px 0 0;
  padding: 34px 0;
  background: #0A2018;
  border-top: 2px solid var(--sb-moss);
  border-bottom: 2px solid var(--sb-moss);
}
.page-contact .co-metrics__grid{
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 12px;
  margin-top: 26px;
}
.page-contact .co-metric{
  padding: 16px 14px 18px;
  border: 2px solid var(--sb-moss);
  background: rgba(7,26,19,.66);
}
.page-contact .co-metric--lead{
  border-color: rgba(155,230,79,.7);
}
.page-contact .co-metric__num{
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin: 0;
  font-family: var(--sb-font-mono);
  font-size: clamp(28px, 7.6vw, 44px);
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--sb-lime);
}
.page-contact .co-metric--lead .co-metric__num{
  font-size: clamp(34px, 9vw, 54px);
}
.page-contact .co-metric__unit{
  font-family: var(--sb-font-body);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--sb-sand);
}
.page-contact .co-metric__label{
  margin: 10px 0 0;
  font-size: 13px;
  letter-spacing: .02em;
  color: var(--sb-warm);
}
.page-contact .co-metric__sub{
  margin: 6px 0 0;
  font-size: 12px;
  line-height: 1.6;
  color: var(--sb-stone);
}
.page-contact .co-metrics__foot{
  margin: 24px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--sb-stone);
}
.page-contact .co-metrics__foot a{
  color: var(--sb-amber);
  text-decoration: none;
  border-bottom: 1px solid rgba(242,163,59,.5);
}
.page-contact .co-metrics__foot a:hover{
  color: var(--sb-lime);
  border-bottom-color: var(--sb-lime);
}

/* ---------- 合作流程 ---------- */
.page-contact .co-process{
  padding: 48px 0 0;
}
.page-contact .co-flow{
  position: relative;
  margin: 28px 0 0;
  padding: 0 0 0 28px;
  list-style: none;
  display: grid;
  gap: 20px;
}
.page-contact .co-flow::before{
  content: "";
  position: absolute;
  left: 9px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--sb-amber), var(--sb-lime) 58%, var(--sb-moss));
}
.page-contact .co-flow__step{
  position: relative;
  padding: 16px 18px 18px;
  background: var(--sb-panel);
  border: 2px solid var(--sb-moss);
  box-shadow: 5px 5px 0 var(--sb-black);
}
.page-contact .co-flow__step::before{
  content: "";
  position: absolute;
  left: -24px;
  top: 24px;
  width: 10px;
  height: 10px;
  background: var(--sb-lime);
  border: 2px solid var(--sb-deep);
  transform: rotate(45deg);
}
.page-contact .co-flow__num{
  display: block;
  font-family: var(--sb-font-mono);
  font-size: 11px;
  letter-spacing: .22em;
  color: var(--sb-amber);
}
.page-contact .co-flow__title{
  margin: 8px 0 0;
  font-family: var(--sb-font-head);
  font-size: 17px;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--sb-warm);
}
.page-contact .co-flow__text{
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--sb-sand);
}
.page-contact .co-process__foot{
  margin: 24px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--sb-stone);
}
.page-contact .co-process__foot a{
  color: var(--sb-lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(155,230,79,.45);
}
.page-contact .co-process__foot a:hover{
  color: var(--sb-amber);
  border-bottom-color: var(--sb-amber);
}

/* ---------- 联系面板 ---------- */
.page-contact .co-contact{
  padding: 52px 0 0;
}
.page-contact .co-contact__panel{
  display: grid;
  margin-top: 26px;
  background: var(--sb-panel);
  border: 2px solid var(--sb-lime);
  box-shadow: 10px 10px 0 var(--sb-black);
  overflow: hidden;
}
.page-contact .co-contact__body{
  padding: 22px 18px 24px;
}
.page-contact .co-line{
  display: grid;
  gap: 5px;
  padding: 14px 0;
  border-bottom: 1px dashed var(--co-track);
}
.page-contact .co-line:first-child{
  padding-top: 0;
}
.page-contact .co-line__label{
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--sb-stone);
}
.page-contact .co-line__value{
  font-family: var(--sb-font-mono);
  font-size: 15px;
  line-height: 1.5;
  color: var(--sb-warm);
  text-decoration: none;
  word-break: break-all;
}
.page-contact a.co-line__value:hover{
  color: var(--sb-lime);
  text-decoration: underline;
}
.page-contact .co-line__value--lg{
  font-size: clamp(19px, 5.2vw, 27px);
  letter-spacing: .01em;
  color: var(--sb-lime);
}
.page-contact .co-contact__note{
  margin: 18px 0 0;
  font-size: 12px;
  line-height: 1.8;
  color: var(--sb-stone);
}
.page-contact .co-contact__note a{
  color: var(--sb-amber);
  text-decoration: none;
  border-bottom: 1px solid rgba(242,163,59,.5);
}
.page-contact .co-contact__note a:hover{
  color: var(--sb-lime);
  border-bottom-color: var(--sb-lime);
}
.page-contact .co-contact__media{
  position: relative;
  margin: 0;
  min-height: 200px;
  border-top: 2px solid var(--sb-moss);
  background: var(--sb-deep);
}
.page-contact .co-contact__media img{
  display: block;
  width: 100%;
  height: 100%;
  min-height: 200px;
  object-fit: cover;
  filter: saturate(.68) brightness(.8);
}

/* ---------- 合作问答 ---------- */
.page-contact .co-faq{
  padding: 50px 0 56px;
}
.page-contact .co-faq__list{
  display: grid;
  gap: 10px;
  margin-top: 26px;
}
.page-contact .co-faq__item{
  background: rgba(16,42,32,.72);
  border: 2px solid var(--sb-moss);
}
.page-contact .co-faq__item[open]{
  border-color: rgba(155,230,79,.55);
}
.page-contact .co-faq__item summary{
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 14px 16px;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--sb-warm);
  cursor: pointer;
  list-style: none;
}
.page-contact .co-faq__item summary::-webkit-details-marker{
  display: none;
}
.page-contact .co-faq__item summary::after{
  content: "+";
  margin-left: auto;
  font-family: var(--sb-font-mono);
  font-size: 16px;
  color: var(--sb-lime);
}
.page-contact .co-faq__item[open] summary::after{
  content: "–";
}
.page-contact .co-faq__item summary:hover{
  color: var(--sb-lime);
}
.page-contact .co-faq__body{
  padding: 0 16px 16px;
  font-size: 13px;
  line-height: 1.85;
  color: var(--sb-sand);
}
.page-contact .co-back{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 24px;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--sb-amber);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  padding-bottom: 2px;
}
.page-contact .co-back:hover{
  border-bottom-color: var(--sb-amber);
}

/* ---------- 断点 ---------- */
@media (min-width: 720px){
  .page-contact .co-dirs{
    grid-template-columns: repeat(2, minmax(0,1fr));
    gap: 20px;
  }
  .page-contact .co-dir{
    padding: 24px 22px 26px;
  }
  .page-contact .co-contact__body{
    padding: 26px 24px 28px;
  }
}

@media (min-width: 860px){
  .page-contact .co-hero{
    padding: 40px 0 64px;
  }
  .page-contact .co-hero__inner{
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    gap: 48px;
  }
  .page-contact .co-hero__media{
    transform: rotate(-1.6deg);
  }
  .page-contact .co-metrics__grid{
    grid-template-columns: repeat(5, minmax(0,1fr));
    gap: 16px;
  }
  .page-contact .co-flow{
    grid-template-columns: repeat(4, minmax(0,1fr));
    gap: 18px;
    padding: 42px 0 0;
  }
  .page-contact .co-flow::before{
    left: 0;
    right: 0;
    top: 14px;
    bottom: auto;
    width: auto;
    height: 2px;
    background: linear-gradient(90deg, var(--sb-amber), var(--sb-lime) 62%, var(--sb-moss));
  }
  .page-contact .co-flow__step::before{
    left: 22px;
    top: -34px;
  }
  .page-contact .co-contact__panel{
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
  }
  .page-contact .co-contact__media{
    border-top: 0;
    border-left: 2px solid var(--sb-moss);
    min-height: 100%;
  }
  .page-contact .co-contact__media img{
    position: absolute;
    inset: 0;
    height: 100%;
    min-height: 0;
  }
}

@media (min-width: 1080px){
  .page-contact .co-dirs{
    grid-template-columns: repeat(4, minmax(0,1fr));
  }
}

@media (prefers-reduced-motion: reduce){
  .page-contact .co-dir,
  .page-contact .sb-btn{
    transition: none;
  }
  .page-contact .co-dir:hover,
  .page-contact .sb-btn:hover{
    transform: none;
  }
}
<<<END>>>