.page-contact{
  --pc-pad: clamp(56px, 8vw, 104px);
  --pc-hair: rgba(244, 241, 232, 0.16);
  --pc-hair-strong: rgba(244, 241, 232, 0.34);
  --pc-ink-soft: rgba(26, 29, 28, 0.72);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
}

.page-contact .title--xl{
  font-family: var(--font-display);
  font-size: clamp(32px, 6.4vw, 62px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  margin: 12px 0 18px;
  color: var(--paper);
}

.page-contact .title--lg{
  font-family: var(--font-display);
  font-size: clamp(25px, 3.4vw, 42px);
  line-height: 1.14;
  letter-spacing: -0.015em;
  margin: 12px 0 18px;
}

.page-contact .eyebrow{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--turf-lit);
  margin: 0;
}

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

/* ---------- 首屏 ---------- */
.page-contact .contact-hero{
  position: relative;
  overflow: hidden;
  background: var(--ink);
  padding: clamp(20px, 3vw, 32px) 0 0;
}

.page-contact .contact-hero::before{
  content: "";
  position: absolute;
  top: -12%;
  right: -8%;
  width: 68%;
  height: 96%;
  background: linear-gradient(140deg, rgba(31, 107, 69, 0.62), rgba(11, 31, 23, 0) 72%);
  clip-path: polygon(30% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-contact .contact-hero .wrap{
  position: relative;
  z-index: 1;
}

.page-contact .contact-hero__grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 48px);
  align-items: start;
  padding: clamp(26px, 4vw, 44px) 0;
}

.page-contact .contact-hero__lead{
  border-left: 3px solid var(--signal);
  padding-left: clamp(14px, 2vw, 22px);
}

.page-contact .contact-hero .lede{
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.78;
  color: rgba(244, 241, 232, 0.82);
  max-width: 60ch;
  margin: 0;
}

.page-contact .contact-hero__hint{
  margin: 18px 0 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--amber);
}

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

.page-contact .contact-hero__figure img{
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: 1px solid rgba(79, 191, 122, 0.4);
  filter: saturate(0.86) contrast(1.06);
}

/* ---------- 三条通道 ---------- */
.page-contact .contact-channels{
  position: relative;
  z-index: 1;
  margin-top: clamp(12px, 2vw, 24px);
  background: var(--ink-2);
  border-top: 1px solid var(--turf-lit);
  border-bottom: 1px solid var(--pc-hair);
}

.page-contact .contact-channels__inner{
  display: grid;
  grid-template-columns: 1fr;
}

.page-contact .contact-channel{
  padding: clamp(22px, 3vw, 34px) 0;
  border-bottom: 1px solid var(--pc-hair);
}

.page-contact .contact-channel:last-child{ border-bottom: 0; }

.page-contact .contact-channel__label{
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--turf-lit);
}

.page-contact .contact-channel__value{
  margin: 10px 0 12px;
  font-family: var(--font-mono);
  font-size: clamp(18px, 2.4vw, 26px);
  font-weight: 700;
  line-height: 1.24;
  letter-spacing: 0.01em;
  color: var(--signal);
  word-break: break-word;
}

.page-contact .contact-channel__value--addr{
  font-family: var(--font-body);
  font-size: clamp(16px, 1.9vw, 19px);
  font-weight: 600;
  line-height: 1.5;
  color: var(--paper);
}

.page-contact .contact-channel__use{
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.7;
  color: rgba(244, 241, 232, 0.76);
  max-width: 40ch;
}

.page-contact .contact-channel__meta{
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--amber);
}

/* ---------- 准备材料 ---------- */
.page-contact .contact-prep{
  background: var(--paper);
  color: var(--char);
  padding: var(--pc-pad) 0;
}

.page-contact .contact-prep__grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 56px);
}

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

.page-contact .contact-prep__intro{
  margin: 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--pc-ink-soft);
  max-width: 46ch;
}

.page-contact .contact-prep__list{
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  border-top: 1px solid rgba(26, 29, 28, 0.22);
}

.page-contact .contact-prep__list li{
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 10px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(26, 29, 28, 0.14);
}

.page-contact .contact-prep__num{
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--turf);
  padding-top: 3px;
}

.page-contact .contact-prep__text strong{
  display: block;
  font-size: 15.5px;
  font-weight: 700;
  color: var(--char);
  margin-bottom: 4px;
}

.page-contact .contact-prep__text span{
  display: block;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--pc-ink-soft);
}

.page-contact .contact-template{
  background: var(--ink);
  color: var(--paper);
  border: 1px solid rgba(79, 191, 122, 0.4);
  padding: clamp(20px, 3vw, 32px);
}

.page-contact .contact-template__head{
  margin: 0 0 4px;
  padding-bottom: 14px;
  border-bottom: 1px dashed var(--pc-hair-strong);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--signal);
}

.page-contact .contact-template__line{
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(244, 241, 232, 0.1);
}

.page-contact .contact-template__k{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--turf-lit);
}

.page-contact .contact-template__v{
  font-size: 14.5px;
  line-height: 1.68;
  color: rgba(244, 241, 232, 0.87);
}

.page-contact .contact-template__foot{
  margin: 16px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--amber);
}

/* ---------- 回复节奏 ---------- */
.page-contact .contact-timing{
  background: var(--ink-2);
  padding: var(--pc-pad) 0;
}

.page-contact .contact-timing__intro{
  margin: 0;
  max-width: 56ch;
  font-size: 15.5px;
  line-height: 1.78;
  color: rgba(244, 241, 232, 0.78);
}

.page-contact .contact-timing__grid{
  display: grid;
  grid-template-columns: 1fr;
  margin-top: clamp(26px, 4vw, 44px);
  border-top: 1px solid var(--pc-hair);
}

.page-contact .contact-timing__item{
  padding: 22px 0;
  border-bottom: 1px solid var(--pc-hair);
}

.page-contact .contact-timing__when{
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--signal);
}

.page-contact .contact-timing__what{
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: rgba(244, 241, 232, 0.8);
}

/* ---------- 合作共建 ---------- */
.page-contact .contact-coop{
  background: var(--turf);
  color: var(--paper);
  padding: var(--pc-pad) 0;
}

.page-contact .contact-coop__grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 52px);
  align-items: start;
}

.page-contact .contact-coop__text{
  margin: 0;
  max-width: 58ch;
  font-size: 15.5px;
  line-height: 1.78;
  color: rgba(244, 241, 232, 0.9);
}

.page-contact .contact-coop__tags{
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 24px 0 0;
  padding: 0;
}

.page-contact .contact-coop__tag{
  border: 1px solid rgba(244, 241, 232, 0.45);
  padding: 8px 12px;
  font-size: 13px;
  letter-spacing: 0.02em;
  line-height: 1.2;
  transition: border-color 150ms var(--ease), transform 150ms var(--ease);
}

.page-contact .contact-coop__tag:hover{
  border-color: var(--signal);
  transform: translateX(2px);
}

.page-contact .contact-coop__need{
  margin-top: 28px;
  padding-top: 18px;
  border-top: 1px solid rgba(244, 241, 232, 0.35);
}

.page-contact .contact-coop__need-title{
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--signal);
}

.page-contact .contact-coop__need-list{
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .contact-coop__need-list li{
  position: relative;
  padding: 9px 0 9px 16px;
  font-size: 14.5px;
  line-height: 1.6;
  color: rgba(244, 241, 232, 0.9);
  border-bottom: 1px solid rgba(244, 241, 232, 0.16);
}

.page-contact .contact-coop__need-list li::before{
  content: "";
  position: absolute;
  left: 0;
  top: 17px;
  width: 6px;
  height: 1px;
  background: var(--signal);
}

.page-contact .contact-coop__steps{
  margin-top: 26px;
}

.page-contact .contact-coop__step{
  margin: 0 0 10px;
  font-size: 14.5px;
  line-height: 1.7;
  color: rgba(244, 241, 232, 0.88);
}

.page-contact .contact-coop__step-num{
  display: inline-block;
  min-width: 26px;
  margin-right: 8px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 700;
  color: var(--signal);
}

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

.page-contact .contact-coop__figure img{
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 12 / 7;
  object-fit: cover;
  border: 1px solid rgba(244, 241, 232, 0.4);
}

.page-contact .contact-coop__caption{
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: rgba(244, 241, 232, 0.82);
}

/* ---------- 常见咨询 ---------- */
.page-contact .contact-ask{
  background: var(--paper);
  color: var(--char);
  padding: var(--pc-pad) 0;
}

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

.page-contact .contact-ask__intro{
  margin: 0;
  max-width: 52ch;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--pc-ink-soft);
}

.page-contact .contact-ask__body{
  position: relative;
  margin-top: 26px;
}

.page-contact .contact-ask__radio{
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-contact .contact-ask__tab{
  display: inline-block;
  margin: 0 8px 8px 0;
  padding: 10px 16px;
  border: 1px solid rgba(26, 29, 28, 0.28);
  background: transparent;
  font-size: 14px;
  font-weight: 600;
  color: var(--char);
  cursor: pointer;
  transition: background 150ms var(--ease), color 150ms var(--ease), border-color 150ms var(--ease);
}

.page-contact .contact-ask__tab:hover{
  border-color: var(--turf);
}

.page-contact .contact-ask__radio:checked + .contact-ask__tab{
  background: var(--ink);
  border-color: var(--ink);
  color: var(--signal);
}

.page-contact .contact-ask__radio:focus-visible + .contact-ask__tab{
  outline: 2px solid var(--turf);
  outline-offset: 2px;
}

.page-contact .contact-ask__panel{
  display: none;
  margin-top: 22px;
  padding: 4px 0 4px 20px;
  border-left: 3px solid var(--turf);
  max-width: 64ch;
}

.page-contact .contact-ask__panel-title{
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.44;
  color: var(--char);
}

.page-contact .contact-ask__panel p:not(.contact-ask__panel-title){
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--pc-ink-soft);
}

.page-contact .contact-ask__panel .link-underline{
  color: var(--turf);
  font-weight: 600;
}

.page-contact #ask-data:checked ~ .contact-ask__panel--data,
.page-contact #ask-access:checked ~ .contact-ask__panel--access,
.page-contact #ask-push:checked ~ .contact-ask__panel--push,
.page-contact #ask-coop:checked ~ .contact-ask__panel--coop{
  display: block;
}

/* ---------- 收口 ---------- */
.page-contact .contact-close{
  position: relative;
  background: var(--ink);
  padding: clamp(48px, 7vw, 88px) 0 clamp(56px, 8vw, 96px);
  overflow: hidden;
}

.page-contact .contact-close__arc{
  display: block;
  width: 100%;
  height: clamp(48px, 7vw, 90px);
  color: rgba(200, 241, 53, 0.5);
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-contact .contact-close__inner{
  position: relative;
}

.page-contact .contact-close__text{
  margin: 0;
  max-width: 56ch;
  font-size: 15.5px;
  line-height: 1.78;
  color: rgba(244, 241, 232, 0.8);
}

.page-contact .contact-close__actions{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.page-contact .contact-close__actions .btn{
  font-size: 14px;
  letter-spacing: 0.02em;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px){
  .page-contact .contact-template__line{
    grid-template-columns: 108px 1fr;
    gap: 14px;
  }

  .page-contact .contact-timing__grid{
    grid-template-columns: repeat(2, 1fr);
  }

  .page-contact .contact-timing__item{
    padding: 24px 24px 24px 0;
  }

  .page-contact .contact-timing__item:nth-child(2n){
    padding-left: 24px;
    border-left: 1px solid var(--pc-hair);
  }
}

@media (min-width: 880px){
  .page-contact .contact-hero__grid{
    grid-template-columns: 1.4fr 0.7fr;
  }

  .page-contact .contact-channels__inner{
    grid-template-columns: repeat(3, 1fr);
  }

  .page-contact .contact-channel{
    padding: clamp(26px, 3vw, 36px) clamp(18px, 2.4vw, 30px);
    border-bottom: 0;
  }

  .page-contact .contact-channel:first-child{
    padding-left: 0;
  }

  .page-contact .contact-channel:last-child{
    padding-right: 0;
  }

  .page-contact .contact-channel + .contact-channel{
    border-left: 1px solid var(--pc-hair);
  }

  .page-contact .contact-prep__grid{
    grid-template-columns: 0.95fr 1.05fr;
    align-items: start;
  }

  .page-contact .contact-timing__grid{
    grid-template-columns: repeat(4, 1fr);
  }

  .page-contact .contact-timing__item:nth-child(2n){
    padding-left: 0;
    border-left: 0;
  }

  .page-contact .contact-timing__item{
    padding: 0 24px;
    border-bottom: 0;
    border-left: 1px solid var(--pc-hair);
  }

  .page-contact .contact-timing__item:first-child{
    padding-left: 0;
    border-left: 0;
  }

  .page-contact .contact-timing__item:last-child{
    padding-right: 0;
  }

  .page-contact .contact-coop__grid{
    grid-template-columns: 1.15fr 0.85fr;
  }
}

@media (min-width: 1100px){
  .page-contact .contact-close__inner{
    max-width: 900px;
  }
}

@media (prefers-reduced-motion: reduce){
  .page-contact .contact-coop__tag,
  .page-contact .contact-ask__tab{
    transition: none;
  }

  .page-contact .contact-coop__tag:hover{
    transform: none;
  }
}
<<<END>>>