.page-contact{
  --pc-grid: rgba(27, 74, 60, .18);
  --pc-glow: rgba(0, 229, 192, .10);
  position: relative;
  color: var(--white);
  font-family: var(--font-sans);
  line-height: 1.75;
  overflow-x: clip;
  padding-bottom: clamp(56px, 8vw, 104px);
  background-image: repeating-linear-gradient(112deg, var(--pc-grid) 0 1px, transparent 1px 54px);
}

.page-contact h1,
.page-contact h2,
.page-contact h3{
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -.015em;
  margin: 0;
}

.page-contact h1{
  font-size: clamp(32px, 7vw, 68px);
  margin: 14px 0 16px;
}

.page-contact h2{
  font-size: clamp(23px, 3.6vw, 36px);
  margin: 6px 0 14px;
}

.page-contact h3{
  font-size: clamp(17px, 2.2vw, 20px);
  margin-bottom: 8px;
}

.page-contact .eyebrow{
  display: inline-block;
  letter-spacing: .18em;
  font-size: 12px;
  color: var(--cyan);
}

.page-contact .num{
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  letter-spacing: .02em;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero{
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--bg-2);
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-hero__media{
  position: absolute;
  inset: 0;
  z-index: -2;
}

.page-contact .contact-hero__media img{
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .40;
  filter: saturate(.75) contrast(1.12);
}

.page-contact .contact-hero::after{
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(180deg, rgba(7, 18, 15, .62) 0%, rgba(7, 18, 15, .90) 62%, var(--bg) 100%),
    radial-gradient(120% 80% at 12% 20%, var(--pc-glow), transparent 60%);
}

.page-contact .contact-hero__inner{
  padding-top: clamp(24px, 4vw, 52px);
  padding-bottom: clamp(40px, 6vw, 76px);
}

.page-contact .crumbs{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--muted);
  letter-spacing: .04em;
}

.page-contact .crumbs a{
  color: var(--muted);
  text-decoration: none;
}

.page-contact .crumbs a:hover{
  color: var(--cyan);
}

.page-contact .crumbs span[aria-current="page"]{
  color: var(--white);
}

.page-contact .contact-hero__lead{
  max-width: 62ch;
  margin: 0;
  color: var(--muted);
  font-size: clamp(15px, 1.6vw, 17px);
}

.page-contact .contact-hero__facts{
  list-style: none;
  margin: 32px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .contact-hero__facts li{
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
  padding-top: 10px;
  border-top: 1px solid rgba(0, 229, 192, .32);
  font-size: 13px;
  color: var(--muted);
}

.page-contact .contact-hero__facts .num{
  font-size: 24px;
  color: var(--cyan);
  line-height: 1;
}

/* ---------- 联系方式 + 渠道 ---------- */
.page-contact .contact-split{
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(36px, 5vw, 64px);
  padding-top: clamp(48px, 7vw, 88px);
}

.page-contact .contact-split__note,
.page-contact .channel-panel__note{
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 14px;
  max-width: 46ch;
}

.page-contact .reach-card{
  padding: 18px 0 20px;
  border-top: 1px solid var(--line);
}

.page-contact .reach-card--mail{
  border-top-color: var(--cyan);
  background: linear-gradient(135deg, rgba(0, 229, 192, .12), rgba(0, 229, 192, 0) 66%);
  padding-left: 16px;
  padding-right: 16px;
}

.page-contact .reach-card__label{
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--dim);
}

.page-contact .reach-card__mail{
  margin: 0;
  font-family: var(--font-num);
  font-size: clamp(19px, 4.2vw, 32px);
  line-height: 1.25;
  color: var(--cyan-soft);
  overflow-wrap: anywhere;
}

.page-contact .reach-card__phone{
  margin: 0;
  font-family: var(--font-num);
  font-size: clamp(26px, 5.4vw, 42px);
  line-height: 1.15;
  color: var(--white);
}

.page-contact .reach-card__addr{
  margin: 0;
  font-size: clamp(16px, 2vw, 19px);
  color: var(--white);
}

.page-contact .reach-card__hint{
  margin: 10px 0 0;
  font-size: 13px;
  color: var(--muted);
}

.page-contact .channel-panel{
  border: 1px solid var(--line);
  background: var(--panel);
  padding: clamp(18px, 3vw, 26px);
}

.page-contact .channel-filters{
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 16px 0 4px;
}

.page-contact .chip{
  appearance: none;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  font-family: inherit;
  font-size: 13px;
  padding: 6px 14px;
  border-radius: 999px;
  cursor: pointer;
  transition: color .2s ease, border-color .2s ease, background-color .2s ease;
}

.page-contact .chip:hover{
  color: var(--cyan-soft);
  border-color: rgba(0, 229, 192, .55);
}

.page-contact .chip:focus-visible{
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-contact .channel-list{
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
}

.page-contact .channel{
  border-top: 1px solid var(--line-soft);
  padding: 16px 0;
  transition: opacity .25s ease, transform .25s ease;
}

.page-contact .channel.is-filtered{
  display: none;
}

.page-contact .channel__title{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--white);
  font-size: 16px;
  font-weight: 700;
  text-decoration: none;
}

.page-contact .channel__title:hover{
  color: var(--cyan-soft);
}

.page-contact .channel__arrow{
  font-family: var(--font-num);
  color: var(--dim);
  transition: transform .25s ease, color .25s ease;
}

.page-contact .channel:hover .channel__arrow,
.page-contact .channel__title:hover .channel__arrow{
  transform: translateX(6px);
  color: var(--cyan);
}

.page-contact .channel__via{
  margin: 6px 0 0;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--cyan);
}

.page-contact .channel__need{
  margin: 4px 0 0;
  font-size: 13px;
  color: var(--muted);
}

/* ---------- 反馈流程带 ---------- */
.page-contact .contact-flow{
  margin-top: clamp(56px, 8vw, 104px);
  padding: clamp(40px, 6vw, 72px) 0 clamp(52px, 7vw, 92px);
  background: var(--bg-2);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-flow__top{
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
}

.page-contact .contact-flow__media{
  margin: 0;
}

.page-contact .contact-flow__media img{
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid var(--line);
  filter: saturate(.8) contrast(1.08);
}

.page-contact .contact-flow__media figcaption{
  margin-top: 10px;
  font-size: 12px;
  color: var(--muted);
}

.page-contact .contact-flow__intro p{
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  max-width: 48ch;
}

.page-contact .contact-flow__steps-wrap{
  position: relative;
  margin-top: clamp(30px, 5vw, 56px);
}

.page-contact .flow-line{
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  display: none;
}

.page-contact .flow-steps{
  position: relative;
  z-index: 1;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  counter-reset: flow;
}

.page-contact .flow-step details{
  background: var(--bg);
  border: 1px solid var(--line);
  padding: 14px 16px;
  transition: border-color .25s ease;
}

.page-contact .flow-step details[open],
.page-contact .flow-step details:hover{
  border-color: rgba(0, 229, 192, .5);
}

.page-contact .flow-step summary{
  display: flex;
  align-items: baseline;
  gap: 10px;
  cursor: pointer;
  list-style: none;
  color: var(--white);
  font-size: 15px;
  font-weight: 700;
}

.page-contact .flow-step summary::-webkit-details-marker{
  display: none;
}

.page-contact .flow-step__num{
  color: var(--cyan);
  font-size: 13px;
  letter-spacing: .08em;
}

.page-contact .flow-step p{
  margin: 10px 0 0;
  font-size: 13px;
  color: var(--muted);
}

/* ---------- 时效 ---------- */
.page-contact .contact-timing{
  padding-top: clamp(48px, 7vw, 88px);
}

.page-contact .timing-list{
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
}

.page-contact .timing-row{
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

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

.page-contact .timing-row__label{
  color: var(--white);
  font-size: 15px;
  font-weight: 700;
}

.page-contact .timing-row__value{
  color: var(--cyan);
  font-family: var(--font-num);
  font-size: 16px;
  letter-spacing: .03em;
}

.page-contact .timing-row__note{
  color: var(--muted);
  font-size: 13px;
}

/* ---------- 合作 ---------- */
.page-contact .contact-coop{
  margin-top: clamp(52px, 8vw, 96px);
  padding: clamp(40px, 6vw, 72px) 0;
  background:
    linear-gradient(120deg, rgba(255, 107, 44, .08), transparent 46%),
    var(--bg-2);
  border-top: 1px solid var(--line);
}

.page-contact .contact-coop__lead{
  max-width: 54ch;
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 15px;
}

.page-contact .coop-list{
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}

.page-contact .coop-item{
  position: relative;
  padding: 20px 0 0;
  border-top: 1px solid var(--line);
}

.page-contact .coop-item__idx{
  display: block;
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--orange);
  margin-bottom: 8px;
}

.page-contact .coop-item p{
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.page-contact .coop-item__meta{
  margin-top: 12px !important;
  font-family: var(--font-num);
  font-size: 12px !important;
  letter-spacing: .04em;
  color: var(--dim) !important;
}

/* ---------- 收尾链接 ---------- */
.page-contact .contact-more{
  padding-top: clamp(44px, 6vw, 80px);
}

.page-contact .contact-more p{
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 14px;
}

.page-contact .contact-more__links{
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-contact .link-pill{
  display: inline-block;
  padding: 9px 16px;
  border: 1px solid var(--line);
  color: var(--white);
  font-size: 13px;
  text-decoration: none;
  transition: color .2s ease, border-color .2s ease, background-color .2s ease;
}

.page-contact .link-pill:hover{
  color: var(--bg);
  background: var(--cyan);
  border-color: var(--cyan);
}

/* ---------- 桌面 ---------- */
@media (min-width: 760px){
  .page-contact .contact-hero__facts{
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px;
  }

  .page-contact .contact-flow__top{
    grid-template-columns: 5fr 7fr;
  }

  .page-contact .timing-row{
    grid-template-columns: 4fr 3fr 5fr;
    gap: 20px;
    align-items: baseline;
  }

  .page-contact .coop-list{
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px;
  }

  .page-contact .coop-item:nth-child(2){
    transform: translateY(14px);
  }

  .page-contact .coop-item:nth-child(3){
    transform: translateY(28px);
  }
}

@media (min-width: 900px){
  .page-contact .contact-split{
    grid-template-columns: 7fr 5fr;
    align-items: start;
  }
}

@media (min-width: 1024px){
  .page-contact .flow-line{
    display: block;
  }

  .page-contact .flow-steps{
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
    padding-bottom: 72px;
  }

  .page-contact .flow-step:nth-child(2){
    transform: translateY(18px);
  }

  .page-contact .flow-step:nth-child(3){
    transform: translateY(36px);
  }

  .page-contact .flow-step:nth-child(4){
    transform: translateY(54px);
  }

  .page-contact .contact-flow__steps-wrap{
    padding-left: 12px;
    padding-right: 12px;
  }
}

@media (prefers-reduced-motion: reduce){
  .page-contact .channel,
  .page-contact .channel__arrow,
  .page-contact .link-pill,
  .page-contact .chip,
  .page-contact .flow-step details{
    transition: none;
  }

  .page-contact .flow-step:nth-child(2),
  .page-contact .flow-step:nth-child(3),
  .page-contact .flow-step:nth-child(4),
  .page-contact .coop-item:nth-child(2),
  .page-contact .coop-item:nth-child(3){
    transform: none;
  }
}
<<<END>>>