.page-contact{
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.75;
  padding-bottom: 72px;
}

.page-contact .breadcrumb{
  padding-top: 20px;
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--fog);
}
.page-contact .breadcrumb__list{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-contact .breadcrumb__list a{
  color: var(--fog);
  text-decoration: none;
}
.page-contact .breadcrumb__list a:hover{ color: var(--cyan); }
.page-contact .breadcrumb__list li + li::before{
  content: "/";
  margin-right: 6px;
  color: rgba(242, 245, 244, .3);
}
.page-contact .breadcrumb__list li[aria-current]{ color: var(--paper); }

/* 开篇 */
.page-contact .coop-open{
  display: grid;
  gap: 28px;
  padding-top: 30px;
  padding-bottom: 44px;
  border-bottom: 1px solid var(--line);
}
.page-contact .coop-open .eyebrow{
  margin: 0 0 14px;
  color: var(--cyan);
}
.page-contact .coop-open h1{
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: clamp(30px, 7.2vw, 54px);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: .03em;
}
.page-contact .coop-open h1 em{
  font-style: normal;
  color: var(--cyan);
}
.page-contact .coop-open__lede{
  margin: 0;
  max-width: 46ch;
  font-size: 18px;
  color: rgba(242, 245, 244, .84);
}
.page-contact .coop-open__actions{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}
.page-contact .coop-open__stats{
  border: 1px solid var(--line);
  background: linear-gradient(160deg, var(--indigo), var(--ink-2) 72%);
  box-shadow: 0 5px 0 rgba(11, 59, 60, .55);
  padding: 22px 20px;
}
.page-contact .coop-open__stats-label{
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: .24em;
  color: var(--fog);
}
.page-contact .coop-open__stats-list{
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-contact .coop-open__stat{
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--line-soft);
}
.page-contact .coop-open__stat:last-child{
  padding-bottom: 0;
  border-bottom: 0;
}
.page-contact .coop-open__stat .data-num{
  font-family: var(--font-data);
  font-size: 32px;
  line-height: 1;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}
.page-contact .coop-open__stat-label{
  font-size: 15px;
  color: var(--fog);
}

/* 分栏骨架 */
.page-contact .coop-split{
  display: grid;
  gap: 36px;
  padding-top: 44px;
}
.page-contact .coop-rail{
  display: grid;
  gap: 20px;
  align-content: start;
}
.page-contact .coop-rail .vert-note{
  margin: 0;
  font-size: 12px;
  letter-spacing: .24em;
  color: var(--fog);
}
.page-contact .coop-rail__nav{
  display: grid;
  gap: 2px;
}
.page-contact .coop-rail__nav a{
  display: block;
  margin-left: -3px;
  padding: 8px 12px;
  color: var(--fog);
  font-size: 14px;
  letter-spacing: .08em;
  text-decoration: none;
  border-left: 3px solid transparent;
  transition: color .16s var(--ease), border-color .16s var(--ease), background .16s var(--ease);
}
.page-contact .coop-rail__nav a:hover,
.page-contact .coop-rail__nav a:focus-visible{
  color: var(--paper);
  border-left-color: var(--cyan);
  background: rgba(56, 240, 208, .07);
}
.page-contact .rail-card{
  border: 1px solid var(--line-cyan);
  outline: 1px solid rgba(56, 240, 208, .2);
  outline-offset: 5px;
  padding: 18px 16px;
  background: linear-gradient(180deg, rgba(56, 240, 208, .1), rgba(6, 24, 38, 0) 68%), var(--teal);
}
.page-contact .rail-card__stamp{
  display: inline-block;
  margin-bottom: 12px;
  padding: 2px 8px;
  border: 1px solid var(--cyan);
  color: var(--cyan);
  font-size: 12px;
  letter-spacing: .2em;
  transform: rotate(-2deg);
}
.page-contact .rail-card__hours{
  margin: 0 0 8px;
  font-family: var(--font-data);
  font-size: 16px;
  color: var(--paper);
  font-variant-numeric: tabular-nums;
}
.page-contact .rail-card__text{
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--fog);
}
.page-contact .rail-card__link{
  font-size: 14px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-cyan);
}
.page-contact .rail-card__link:hover{ border-bottom-color: var(--cyan); }
.page-contact .coop-body{ min-width: 0; }

/* 章节 */
.page-contact .coop-sec{
  margin-bottom: 56px;
  scroll-margin-top: 96px;
}
.page-contact .coop-sec:last-of-type{ margin-bottom: 40px; }
.page-contact .coop-sec__head{
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin: 0 0 22px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}
.page-contact .coop-sec__idx{
  font-family: var(--font-data);
  font-size: 15px;
  letter-spacing: .16em;
  color: var(--cyan);
}
.page-contact .coop-sec__head h2{
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(22px, 4.6vw, 32px);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: .04em;
}
.page-contact .coop-sec__intro{
  margin: 0 0 20px;
  font-size: 16px;
  color: rgba(242, 245, 244, .82);
}

/* 图片 */
.page-contact .coop-figure{
  margin: 0 0 24px;
  border: 1px solid var(--line);
  background: var(--ink-2);
}
.page-contact .coop-figure img{
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(.85);
}
.page-contact .coop-figure__caption{
  padding: 10px 14px;
  border-top: 1px solid var(--line-soft);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--fog);
}

/* 错位长条卡 */
.page-contact .lanes{
  display: grid;
  gap: 16px;
}
.page-contact .lane{
  --off: 0px;
  margin-left: var(--off);
  padding: 16px 16px 14px;
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-left: 4px solid var(--cyan);
  transition: transform .18s var(--ease), border-color .18s var(--ease), background .18s var(--ease);
}
.page-contact .lanes > .lane:nth-child(2){ --off: 12px; }
.page-contact .lanes > .lane:nth-child(3){ --off: 24px; }
.page-contact .lane:hover,
.page-contact .lane[open]{
  transform: translateX(calc(var(--off) * -1));
  border-left-color: var(--orange);
  background: #0C283A;
}
.page-contact .lane > summary{
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 12px;
  list-style: none;
  cursor: pointer;
}
.page-contact .lane > summary::-webkit-details-marker{ display: none; }
.page-contact .lane__title{
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  letter-spacing: .03em;
}
.page-contact .lane__hint{
  margin-left: auto;
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--fog);
}
.page-contact .lane__hint .i-close{ display: none; }
.page-contact .lane[open] .lane__hint{ color: var(--cyan); }
.page-contact .lane[open] .lane__hint .i-open{ display: none; }
.page-contact .lane[open] .lane__hint .i-close{ display: inline; }
.page-contact .lane__body{
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px dashed var(--line-soft);
}
.page-contact .lane__facts{
  display: grid;
  gap: 12px;
  margin: 0;
}
.page-contact .lane__facts dt{
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--cyan);
}
.page-contact .lane__facts dd{
  margin: 2px 0 0;
  font-size: 16px;
  color: rgba(242, 245, 244, .86);
}

/* 合作方收益 */
.page-contact .gains{
  display: grid;
  gap: 14px;
}
.page-contact .gain{
  padding: 18px 16px;
  border: 1px solid var(--line);
  border-top: 3px solid var(--cyan);
  background: linear-gradient(180deg, rgba(46, 42, 92, .55), rgba(6, 24, 38, .2));
}
.page-contact .gain__idx{
  font-family: var(--font-data);
  font-size: 13px;
  letter-spacing: .2em;
  color: var(--cyan);
}
.page-contact .gain__title{
  margin: 8px 0;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: .02em;
}
.page-contact .gain__text{
  margin: 0;
  font-size: 16px;
  color: rgba(242, 245, 244, .84);
}

/* 四步流程 */
.page-contact .flow-wrap{
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--teal);
}
.page-contact .flow-wrap__bg{
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .2;
  filter: saturate(.7);
}
.page-contact .flow{
  position: relative;
  z-index: 1;
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 16px;
  list-style: none;
}
.page-contact .flow__step{
  padding: 16px 14px;
  background: rgba(6, 24, 38, .86);
  border: 1px solid var(--line-cyan);
  transition: background .18s var(--ease), border-color .18s var(--ease);
}
.page-contact .flow__step:hover{
  background: rgba(6, 24, 38, .95);
  border-color: var(--cyan);
}
.page-contact .flow__num{
  display: block;
  font-family: var(--font-data);
  font-size: 40px;
  line-height: 1;
  color: var(--fog);
  font-variant-numeric: tabular-nums;
}
.page-contact .flow__step:first-child .flow__num{ color: var(--orange); }
.page-contact .flow__title{
  margin: 10px 0 6px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: .02em;
}
.page-contact .flow__time{
  margin: 0 0 8px;
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--pitch);
}
.page-contact .flow__text{
  margin: 0;
  font-size: 15px;
  color: rgba(242, 245, 244, .82);
}
.page-contact .flow__more{
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px dashed rgba(242, 245, 244, .18);
}
.page-contact .flow__more > summary{
  list-style: none;
  cursor: pointer;
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--cyan);
}
.page-contact .flow__more > summary::-webkit-details-marker{ display: none; }
.page-contact .flow__list{
  margin: 10px 0 0;
  padding-left: 16px;
  font-size: 14px;
  color: rgba(242, 245, 244, .8);
}
.page-contact .flow__list li{ margin-bottom: 4px; }

/* 联系卡 */
.page-contact .channels__card{
  position: relative;
  border: 1px solid var(--cyan);
  outline: 1px solid rgba(56, 240, 208, .3);
  outline-offset: 5px;
  padding: 22px 18px 20px;
  background: linear-gradient(150deg, rgba(110, 31, 51, .38), rgba(6, 24, 38, .92) 48%), var(--ink-2);
}
.page-contact .channels__stamp{
  display: inline-block;
  margin-bottom: 18px;
  padding: 3px 10px;
  border: 2px solid var(--orange);
  color: var(--orange);
  font-size: 12px;
  letter-spacing: .22em;
  transform: rotate(-2deg);
}
.page-contact .channels__list{
  display: grid;
  gap: 16px;
  margin: 0;
}
.page-contact .channels__row{
  padding-bottom: 14px;
  border-bottom: 1px dashed rgba(242, 245, 244, .16);
}
.page-contact .channels__row:last-child{
  padding-bottom: 0;
  border-bottom: 0;
}
.page-contact .channels__key{
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--fog);
}
.page-contact .channels__val{
  display: block;
  margin: 4px 0 0;
  font-family: var(--font-data);
  font-size: 17px;
  color: var(--paper);
  word-break: break-word;
  font-variant-numeric: tabular-nums;
}
.page-contact .channels__row .btn{ margin-top: 10px; }
.page-contact .copy-note{
  min-height: 1.3em;
  margin: 12px 0 0;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--pitch);
}
.page-contact .channels__note{
  margin: 18px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--fog);
}

/* 常见问题 */
.page-contact .faq{
  display: grid;
  gap: 10px;
}
.page-contact .faq__item{
  background: var(--ink-2);
  border: 1px solid var(--line);
  transition: border-color .16s var(--ease);
}
.page-contact .faq__item[open],
.page-contact .faq__item:hover{ border-color: var(--line-cyan); }
.page-contact .faq__q{
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: .02em;
}
.page-contact .faq__q::-webkit-details-marker{ display: none; }
.page-contact .faq__q::before{
  content: "Q";
  font-family: var(--font-data);
  font-size: 14px;
  line-height: 1.8;
  color: var(--cyan);
}
.page-contact .faq__a{
  padding: 12px 16px 16px;
  border-top: 1px solid var(--line-soft);
  font-size: 16px;
  color: rgba(242, 245, 244, .85);
}

/* 继续了解 */
.page-contact .next-links{
  display: grid;
  gap: 10px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}
.page-contact .next-links__item{
  display: block;
  padding: 14px 16px;
  background: var(--ink-2);
  border: 1px solid var(--line);
  color: var(--paper);
  text-decoration: none;
  transition: border-color .16s var(--ease), transform .16s var(--ease);
}
.page-contact .next-links__item:hover,
.page-contact .next-links__item:focus-visible{
  border-color: var(--cyan);
  transform: translateY(-2px);
  text-decoration: none;
}
.page-contact .next-links__k{
  display: block;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--cyan);
}
.page-contact .next-links__t{
  display: block;
  margin-top: 4px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
}

@media (min-width: 700px){
  .page-contact .coop-open__actions .btn{ min-width: 168px; }
  .page-contact .gains{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-contact .next-links{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-contact .lane{ padding: 20px 22px 16px; }
}

@media (min-width: 900px){
  .page-contact .coop-open{
    grid-template-columns: minmax(0, 1fr) 320px;
    align-items: end;
    gap: 44px;
  }
  .page-contact .coop-split{
    grid-template-columns: 258px minmax(0, 1fr);
    gap: 52px;
    padding-top: 52px;
  }
  .page-contact .coop-rail{
    position: sticky;
    top: 108px;
  }
  .page-contact .coop-sec{ margin-bottom: 68px; }
}

@media (min-width: 840px){
  .page-contact .flow{
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
    padding: 0;
  }
  .page-contact .flow__step{
    padding: 28px 20px 26px;
    border: 0;
    border-left: 1px solid rgba(56, 240, 208, .3);
    background: rgba(6, 24, 38, .84);
  }
  .page-contact .flow__step:first-child{ border-left: 0; }
  .page-contact .flow__step:hover{ background: rgba(6, 24, 38, .93); }
}

@media (max-width: 520px){
  .page-contact .lane__hint{ margin-left: 0; width: 100%; }
  .page-contact .lanes > .lane:nth-child(2){ --off: 8px; }
  .page-contact .lanes > .lane:nth-child(3){ --off: 16px; }
  .page-contact .channels__card{ outline-offset: 4px; }
}

@media (prefers-reduced-motion: reduce){
  .page-contact .lane,
  .page-contact .gain,
  .page-contact .next-links__item,
  .page-contact .flow__step{ transition: none; }
  .page-contact .lane:hover,
  .page-contact .lane[open],
  .page-contact .next-links__item:hover{ transform: none; }
}
<<<END>>>