/* ===== 服务联络 · page-contact ===== */

.page-contact{
  --ct-gap: clamp(22px, 3.2vw, 44px);
  --ct-pad: clamp(20px, 3vw, 38px);
  display: block;
  padding-block: clamp(22px, 3.4vw, 48px) clamp(60px, 8vw, 130px);
  color: var(--text);
}

/* ---------- 面包屑 ---------- */
.page-contact .crumbs{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 clamp(24px, 3.4vw, 44px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--text-dim);
}
.page-contact .crumbs a{
  color: var(--ice-300);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--t) var(--ease), border-color var(--t) var(--ease);
}
.page-contact .crumbs a:hover,
.page-contact .crumbs a:focus-visible{
  color: var(--amber-400);
  border-bottom-color: var(--amber-400);
}
.page-contact .crumbs__sep{ color: var(--stone-400); }

/* ---------- 首屏 ---------- */
.page-contact .lead-head{
  max-width: 46ch;
  margin: 0 0 clamp(32px, 4.6vw, 64px);
}
.page-contact .eyebrow{
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ice-300);
}
.page-contact .lead-head h1{
  margin: 0 0 22px;
  font-family: var(--font-head);
  font-weight: 300;
  font-size: clamp(32px, 5.4vw, 66px);
  line-height: 1.06;
  letter-spacing: -.008em;
  color: var(--paper-100);
}
.page-contact .lead-head__lede{
  position: relative;
  margin: 0;
  padding-left: 18px;
  max-width: 60ch;
  font-size: clamp(15px, 1.15vw, 17px);
  line-height: 1.82;
  color: var(--text-dim);
}
.page-contact .lead-head__lede::before{
  content: "";
  position: absolute;
  left: 0;
  top: .38em;
  bottom: .32em;
  width: 2px;
  background: linear-gradient(180deg, var(--ice-600), var(--moss-600));
}

/* ---------- 值班台 ---------- */
.page-contact .desk{
  margin-bottom: clamp(52px, 7vw, 104px);
}
.page-contact .desk__figure{
  position: relative;
  margin: 0 0 clamp(18px, 2.4vw, 28px);
  aspect-ratio: 3 / 2;
  overflow: hidden;
  background: var(--pine-900);
}
.page-contact .desk__figure img{
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-contact .desk__panel{
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line-2);
  border: 1px solid var(--line-2);
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
}
.page-contact .desk__chan{
  padding: var(--ct-pad);
  background: linear-gradient(158deg, rgba(30,83,72,.62) 0%, rgba(11,27,34,.96) 78%);
}
.page-contact .desk__chan--tel{
  background: linear-gradient(158deg, rgba(18,58,51,.78) 0%, rgba(8,19,26,.96) 78%);
}
.page-contact .desk__k{
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--ice-300);
}
.page-contact .desk__v{
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(17px, 2.5vw, 26px);
  line-height: 1.28;
  word-break: break-word;
}
.page-contact .desk__v--mail{
  color: var(--ice-300);
  letter-spacing: .01em;
}
.page-contact .desk__v--tel{
  color: var(--amber-400);
  letter-spacing: .06em;
}
.page-contact .desk__note{
  margin: 14px 0 0;
  max-width: 40ch;
  font-size: 13px;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-contact .desk__foot{
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px 26px;
  padding: 18px 2px 0;
}
.page-contact .desk__addr{
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  margin: 0;
}
.page-contact .desk__k--inline{
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--stone-400);
}
.page-contact .desk__addr-text{
  font-size: 14px;
  line-height: 1.6;
  color: var(--text);
}
.page-contact .desk__icp{
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--stone-400);
}

/* ---------- 提问前 ---------- */
.page-contact .prep{
  margin-bottom: clamp(52px, 7vw, 104px);
}
.page-contact .prep__grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 3.4vw, 48px);
}
.page-contact .prep__title{
  margin: 0 0 18px;
  font-family: var(--font-head);
  font-weight: 400;
  font-size: clamp(24px, 3.2vw, 40px);
  line-height: 1.16;
  color: var(--paper-100);
}
.page-contact .prep__lede{
  margin: 0 0 clamp(22px, 2.8vw, 34px);
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-dim);
}
.page-contact .prep__list{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line);
}
.page-contact .prep__item{
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px 18px;
  align-items: start;
  padding: clamp(16px, 2vw, 24px) clamp(14px, 2vw, 22px);
  background: rgba(11,27,34,.72);
  transition: background var(--t) var(--ease), box-shadow var(--t) var(--ease);
}
.page-contact .prep__item:hover{
  background: rgba(30,83,72,.42);
  box-shadow: inset 3px 0 0 var(--ice-600);
}
.page-contact .prep__item-body h3{
  margin: 0 0 7px;
  font-family: var(--font-head);
  font-weight: 500;
  font-size: 17px;
  letter-spacing: .01em;
  color: var(--ice-300);
}
.page-contact .prep__item-body p{
  margin: 0;
  max-width: 56ch;
  font-size: 14px;
  line-height: 1.82;
  color: var(--text-dim);
}
.page-contact .prep__figure{
  position: relative;
  margin: 0;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  background: var(--pine-900);
}
.page-contact .prep__figure img{
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 三类咨询场景 ---------- */
.page-contact .scene{
  margin-bottom: clamp(52px, 7vw, 104px);
}
.page-contact .scene__head{
  margin-bottom: clamp(20px, 2.6vw, 32px);
}
.page-contact .scene__title{
  margin: 0;
  font-family: var(--font-head);
  font-weight: 400;
  font-size: clamp(24px, 3.2vw, 40px);
  line-height: 1.16;
  color: var(--paper-100);
}
.page-contact .scene__grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(12px, 1.6vw, 20px);
}
.page-contact .scene__card{
  border: 1px solid var(--line-2);
  background: rgba(11,27,34,.78);
  overflow: hidden;
  transition: border-color var(--t) var(--ease), background var(--t) var(--ease);
}
.page-contact .scene__card[open]{
  border-color: rgba(46,143,168,.55);
  background: rgba(18,58,51,.5);
}
.page-contact .scene__card:hover{
  border-color: rgba(138,212,227,.45);
}
.page-contact .scene__summary{
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 14px;
  padding: clamp(18px, 2.2vw, 26px) clamp(16px, 2vw, 24px);
  cursor: pointer;
  list-style: none;
}
.page-contact .scene__summary::-webkit-details-marker{ display: none; }
.page-contact .scene__summary:focus-visible{
  outline: 2px solid var(--ice-300);
  outline-offset: -3px;
}
.page-contact .scene__name{
  font-family: var(--font-head);
  font-weight: 500;
  font-size: clamp(17px, 1.8vw, 22px);
  letter-spacing: .01em;
  color: var(--paper-100);
}
.page-contact .scene__cue{
  position: relative;
  width: 16px;
  height: 16px;
  flex: none;
}
.page-contact .scene__cue::before,
.page-contact .scene__cue::after{
  content: "";
  position: absolute;
  background: var(--ice-300);
  transition: transform var(--t) var(--ease), opacity var(--t) var(--ease);
}
.page-contact .scene__cue::before{
  left: 0; top: 7px; width: 16px; height: 2px;
}
.page-contact .scene__cue::after{
  left: 7px; top: 0; width: 2px; height: 16px;
}
.page-contact .scene__card[open] .scene__cue::after{
  transform: scaleY(0);
  opacity: 0;
}
.page-contact .scene__body{
  padding: 0 clamp(16px, 2vw, 24px) clamp(20px, 2.4vw, 28px) clamp(58px, 6vw, 74px);
}
.page-contact .scene__body p{
  margin: 0 0 12px;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.85;
  color: var(--text-dim);
}
.page-contact .scene__hint{
  padding-left: 14px;
  border-left: 2px solid var(--coral-500);
  font-size: 13px !important;
  color: var(--stone-400) !important;
}

/* ---------- 合作与共建 ---------- */
.page-contact .coop{
  margin-bottom: clamp(52px, 7vw, 104px);
}
.page-contact .coop__inner{
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3vw, 44px);
  padding: clamp(24px, 3.2vw, 46px);
  border: 1px solid var(--line-2);
  background:
    radial-gradient(120% 90% at 8% 0%, rgba(46,143,168,.20), transparent 58%),
    linear-gradient(150deg, rgba(30,83,72,.62), rgba(8,19,26,.94));
}
.page-contact .coop__title{
  margin: 0 0 16px;
  font-family: var(--font-head);
  font-weight: 400;
  font-size: clamp(22px, 2.8vw, 34px);
  line-height: 1.2;
  color: var(--paper-100);
}
.page-contact .coop__lede{
  margin: 0;
  max-width: 44ch;
  font-size: 14px;
  line-height: 1.85;
  color: var(--text-dim);
}
.page-contact .coop__list{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}
.page-contact .coop__item{
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: start;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}
.page-contact .coop__item:first-child{ padding-top: 0; border-top: 0; }
.page-contact .coop__no{
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: .08em;
}
.page-contact .coop__item h3{
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-weight: 500;
  font-size: 15px;
  letter-spacing: .02em;
  color: var(--ice-300);
}
.page-contact .coop__item p{
  margin: 0;
  max-width: 52ch;
  font-size: 13.5px;
  line-height: 1.82;
  color: var(--text-dim);
}

/* ---------- 回复时段 ---------- */
.page-contact .sla__head{
  margin-bottom: clamp(20px, 2.6vw, 30px);
}
.page-contact .sla__title{
  margin: 0;
  font-family: var(--font-head);
  font-weight: 400;
  font-size: clamp(24px, 3.2vw, 40px);
  line-height: 1.16;
  color: var(--paper-100);
}
.page-contact .sla__grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line-2);
  border: 1px solid var(--line-2);
  margin-bottom: clamp(22px, 2.6vw, 32px);
}
.page-contact .sla__cell{
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: clamp(20px, 2.6vw, 32px) clamp(18px, 2.2vw, 28px);
  background: rgba(8,19,26,.86);
}
.page-contact .sla__cell--amber{
  background: rgba(30,83,72,.52);
}
.page-contact .sla__v{
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(24px, 3.2vw, 38px);
  line-height: 1.1;
  letter-spacing: .01em;
  color: var(--paper-100);
}
.page-contact .sla__cell--amber .sla__v{
  color: var(--amber-400);
}
.page-contact .sla__k{
  font-size: 12.5px;
  line-height: 1.6;
  letter-spacing: .04em;
  color: var(--stone-400);
}
.page-contact .sla__note{
  margin: 0;
  max-width: 68ch;
  padding-left: 16px;
  border-left: 2px solid var(--ice-600);
  font-size: 14px;
  line-height: 1.85;
  color: var(--text-dim);
}

/* ---------- 窄屏与桌面 ---------- */
@media (max-width: 420px){
  .page-contact .desk__v{ font-size: 15px; }
  .page-contact .sla__v{ font-size: 22px; }
  .page-contact .scene__body{
    padding-left: clamp(16px, 4vw, 24px);
  }
}

@media (min-width: 760px){
  .page-contact .desk__panel{
    grid-template-columns: 1fr 1fr;
  }
  .page-contact .scene__grid{
    grid-template-columns: repeat(3, 1fr);
  }
  .page-contact .sla__grid{
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 960px){
  .page-contact .prep__grid{
    grid-template-columns: minmax(0, 1.35fr) minmax(240px, .65fr);
    align-items: start;
  }
  .page-contact .prep__figure{
    position: sticky;
    top: 28px;
    aspect-ratio: 3 / 4;
  }
  .page-contact .coop__inner{
    grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce){
  .page-contact .prep__item,
  .page-contact .scene__card,
  .page-contact .scene__cue::before,
  .page-contact .scene__cue::after,
  .page-contact .crumbs a{
    transition: none;
  }
}
</main>