.page-contact{
  --ct-band: 5px;
  --ct-shadow: 0 22px 48px -34px rgba(14,34,56,.62);
  --ct-accent: var(--fx-orange);
  background: var(--fx-paper);
  color: var(--fx-black);
  font-family: var(--fx-font-sans);
}

/* ---------- 分屏首屏 ---------- */
.page-contact .ct-hero{
  position: relative;
  overflow: hidden;
  background: var(--fx-ink);
  color: var(--fx-paper);
  padding-block: clamp(26px, 6vw, 62px) clamp(38px, 7vw, 86px);
}
.page-contact .ct-hero::before{
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(120% 92% at 92% 0%, rgba(229,72,43,.32), transparent 56%),
    repeating-linear-gradient(90deg, rgba(250,246,239,.06) 0 1px, transparent 1px 88px);
  pointer-events: none;
}
.page-contact .ct-hero__inner{
  position: relative;
  display: grid;
  gap: clamp(26px, 5vw, 48px);
  align-items: start;
}
.page-contact .ct-hero__crumb a{
  color: rgba(250,246,239,.72);
  text-decoration: none;
}
.page-contact .ct-hero__crumb a:hover,
.page-contact .ct-hero__crumb a:focus-visible{
  color: var(--fx-paper);
  text-decoration: underline;
}
.page-contact .ct-hero__crumb span{
  color: var(--fx-orange-soft);
}
.page-contact .ct-hero__eyebrow{
  margin-top: 18px;
  color: var(--fx-orange-soft);
}
.page-contact .ct-hero__title{
  margin: 10px 0 0;
  font-size: clamp(30px, 8.4vw, 62px);
  line-height: 1.12;
  letter-spacing: -.02em;
  font-weight: 900;
  color: var(--fx-paper);
}
.page-contact .ct-hero__lede{
  margin: 18px 0 0;
  max-width: 34em;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.85;
  color: rgba(250,246,239,.82);
}
.page-contact .ct-hero__cta{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}
.page-contact .ct-hero__ghost{
  border-color: rgba(250,246,239,.55);
  color: var(--fx-paper);
}
.page-contact .ct-hero__ghost:hover,
.page-contact .ct-hero__ghost:focus-visible{
  border-color: var(--fx-paper);
  background: rgba(250,246,239,.1);
  color: var(--fx-paper);
}
.page-contact .ct-hero__facts{
  list-style: none;
  margin: 32px 0 0;
  padding: 20px 0 0;
  border-top: 1px solid rgba(250,246,239,.2);
  display: flex;
  flex-wrap: wrap;
  gap: 16px clamp(20px, 4vw, 44px);
}
.page-contact .ct-hero__facts li{
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 90px;
}
.page-contact .ct-hero__facts .fx-mono{
  font-size: 22px;
  line-height: 1.2;
  letter-spacing: .02em;
  color: var(--fx-orange-soft);
}
.page-contact .ct-hero__facts li span:last-child{
  font-size: 12.5px;
  line-height: 1.5;
  color: rgba(250,246,239,.66);
}
.page-contact .ct-hero__panel{
  display: grid;
  gap: 16px;
}
.page-contact .ct-hero__figure{
  margin: 0;
  padding: 6px;
  background: rgba(250,246,239,.07);
  border: 1px solid rgba(250,246,239,.24);
}
.page-contact .ct-hero__figure img{
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

/* ---------- 联系卡 ---------- */
.page-contact .ct-card{
  background: var(--fx-paper-3);
  color: var(--fx-black);
  padding: clamp(18px, 3vw, 26px);
  border-top: 4px solid var(--fx-orange);
  box-shadow: var(--ct-shadow);
}
.page-contact .ct-card__label{
  margin: 0;
  font-family: var(--fx-font-mono);
  font-size: 11.5px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--fx-mist);
}
.page-contact .ct-card__mail{
  margin: 8px 0 0;
  font-family: var(--fx-font-mono);
  font-size: clamp(14px, 3.5vw, 17px);
  font-weight: 600;
  line-height: 1.5;
  color: var(--fx-ink);
  word-break: break-all;
}
.page-contact .ct-card__note{
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--fx-mist);
}
.page-contact .ct-copy{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  margin-top: 14px;
  padding: 0 18px;
  border: 1px solid var(--fx-orange-deep);
  background: transparent;
  color: var(--fx-orange-deep);
  font-family: var(--fx-font-sans);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
  transition: background-color .18s var(--fx-ease), color .18s var(--fx-ease), transform .12s var(--fx-ease);
}
.page-contact .ct-copy:hover,
.page-contact .ct-copy:focus-visible{
  background: var(--fx-orange-deep);
  color: var(--fx-paper);
}
.page-contact .ct-copy:active{
  transform: translateY(2px);
}
.page-contact .ct-copy--block{
  display: flex;
  width: 100%;
  margin-top: 16px;
}
.page-contact .ct-copy__hint{
  display: block;
  min-height: 18px;
  margin-top: 6px;
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--fx-teal);
}

/* ---------- 合作方向 ---------- */
.page-contact .ct-paths{
  background: var(--fx-paper);
  padding-block: clamp(42px, 7vw, 88px);
}
.page-contact .ct-paths__head{
  display: grid;
  gap: clamp(20px, 4vw, 40px);
  align-items: end;
}
.page-contact .ct-paths__title{
  margin: 8px 0 0;
  font-size: clamp(26px, 5.2vw, 44px);
  line-height: 1.16;
  letter-spacing: -.015em;
  color: var(--fx-ink);
}
.page-contact .ct-paths__lede{
  margin: 14px 0 0;
  max-width: 36em;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--fx-black);
}
.page-contact .ct-paths__figure{
  margin: 0;
  border: 1px solid var(--fx-line);
  padding: 6px;
  background: var(--fx-paper-3);
}
.page-contact .ct-paths__figure img{
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}
.page-contact .ct-pathnav{
  list-style: none;
  margin: clamp(24px, 4vw, 38px) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.page-contact .ct-pathnav__link{
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 16px;
  background: var(--fx-paper-3);
  border-left: 4px solid var(--ct-accent);
  box-shadow: 0 1px 0 var(--fx-line);
  color: var(--fx-ink);
  font-size: 13.5px;
  font-weight: 600;
  text-decoration: none;
  transition: transform .15s var(--fx-ease), box-shadow .15s var(--fx-ease);
}
.page-contact .ct-pathnav__link:hover,
.page-contact .ct-pathnav__link:focus-visible{
  transform: translateY(-2px);
  box-shadow: 0 6px 18px -14px rgba(14,34,56,.7);
}
.page-contact .ct-pathnav__link--content{ --ct-accent: var(--fx-wine); }
.page-contact .ct-pathnav__link--data{ --ct-accent: var(--fx-indigo); }
.page-contact .ct-pathnav__link--community{ --ct-accent: var(--fx-teal); }
.page-contact .ct-pathnav__link--media{ --ct-accent: var(--fx-orange); }

.page-contact .ct-path{
  margin-top: clamp(16px, 2.5vw, 22px);
  padding: clamp(20px, 3.4vw, 34px);
  background: var(--fx-paper-3);
  border-top: var(--ct-band) solid var(--ct-accent);
  box-shadow: 0 1px 0 var(--fx-line);
  display: grid;
  gap: clamp(16px, 2.4vw, 26px);
  scroll-margin-top: 24px;
}
.page-contact .ct-path--content{ --ct-accent: var(--fx-wine); }
.page-contact .ct-path--data{ --ct-accent: var(--fx-indigo); }
.page-contact .ct-path--community{ --ct-accent: var(--fx-teal); }
.page-contact .ct-path--media{ --ct-accent: var(--fx-orange); }
.page-contact .ct-path__num{
  margin: 0;
  font-size: 13px;
  letter-spacing: .22em;
  color: var(--ct-accent);
}
.page-contact .ct-path__title{
  margin: 6px 0 0;
  font-size: clamp(21px, 3.6vw, 28px);
  line-height: 1.25;
  color: var(--fx-ink);
}
.page-contact .ct-path__fit{
  display: inline-block;
  margin: 10px 0 0;
  padding: 5px 10px;
  background: var(--fx-paper-2);
  color: var(--fx-ink);
  font-size: 12.5px;
  line-height: 1.5;
}
.page-contact .ct-path__body{
  display: grid;
  gap: clamp(14px, 2.4vw, 26px);
}
.page-contact .ct-path__desc{
  margin: 0;
  max-width: 38em;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--fx-black);
}
.page-contact .ct-path__out-title{
  margin: 0 0 10px;
  font-family: var(--fx-font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--fx-mist);
}
.page-contact .ct-path__out ul{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
}
.page-contact .ct-path__out li{
  position: relative;
  padding-left: 18px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--fx-black);
}
.page-contact .ct-path__out li::before{
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 8px;
  height: 2px;
  background: var(--ct-accent);
}

/* ---------- 合作流程 ---------- */
.page-contact .ct-flow{
  background: var(--fx-paper-2);
  border-top: 1px solid var(--fx-line);
  padding-block: clamp(42px, 7vw, 88px);
}
.page-contact .ct-flow__title{
  margin: 8px 0 0;
  font-size: clamp(26px, 5.2vw, 44px);
  line-height: 1.16;
  color: var(--fx-ink);
}
.page-contact .ct-flow__lede{
  margin: 14px 0 0;
  max-width: 36em;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--fx-black);
}
.page-contact .ct-flow__list{
  list-style: none;
  margin: clamp(26px, 4vw, 42px) 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}
.page-contact .ct-step{
  position: relative;
  padding: 18px 18px 22px;
  background: var(--fx-paper-3);
  border-left: 3px solid var(--fx-orange);
}
.page-contact .ct-step__num{
  display: block;
  font-size: 12.5px;
  letter-spacing: .22em;
  color: var(--fx-orange-deep);
}
.page-contact .ct-step__title{
  margin: 8px 0 0;
  font-size: 18px;
  line-height: 1.35;
  color: var(--fx-ink);
}
.page-contact .ct-step__text{
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--fx-black);
}
.page-contact .ct-step__materials{
  margin: 12px 0 0;
  padding-top: 10px;
  border-top: 1px dashed var(--fx-line-strong);
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--fx-mist);
}

/* ---------- 客服支持 ---------- */
.page-contact .ct-support{
  position: relative;
  overflow: hidden;
  background: var(--fx-ink);
  color: var(--fx-paper);
  padding-block: clamp(46px, 7vw, 90px);
}
.page-contact .ct-support::before{
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 6px;
  background-image: linear-gradient(90deg,
    var(--fx-orange) 0%, var(--fx-orange) 25%,
    var(--fx-wine) 25%, var(--fx-wine) 50%,
    var(--fx-indigo) 50%, var(--fx-indigo) 75%,
    var(--fx-teal) 75%, var(--fx-teal) 100%);
}
.page-contact .ct-support__grid{
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  align-items: start;
}
.page-contact .ct-support__title{
  margin: 8px 0 0;
  font-size: clamp(25px, 5vw, 40px);
  line-height: 1.2;
  color: var(--fx-paper);
}
.page-contact .ct-support__text{
  margin: 14px 0 0;
  max-width: 34em;
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(250,246,239,.82);
}
.page-contact .ct-support__links{
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
.page-contact .ct-support__card{
  background: var(--fx-paper-3);
  color: var(--fx-black);
  padding: clamp(20px, 3vw, 28px);
  border-top: 4px solid var(--fx-teal);
  box-shadow: var(--ct-shadow);
}
.page-contact .ct-support__list{
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}
.page-contact .ct-support__row{
  display: grid;
  gap: 3px;
  padding: 10px 0;
  border-bottom: 1px solid var(--fx-line);
}
.page-contact .ct-support__row:last-child{
  border-bottom: none;
}
.page-contact .ct-support__key{
  font-family: var(--fx-font-mono);
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--fx-mist);
}
.page-contact .ct-support__value{
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  font-weight: 600;
  color: var(--fx-ink);
  word-break: break-word;
}
.page-contact .ct-support__note{
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--fx-mist);
}

/* ---------- 响应与服务 ---------- */
.page-contact .ct-sla{
  background: var(--fx-paper);
  padding-block: clamp(42px, 7vw, 84px);
}
.page-contact .ct-sla__title{
  margin: 8px 0 0;
  font-size: clamp(25px, 5vw, 40px);
  line-height: 1.2;
  color: var(--fx-ink);
}
.page-contact .ct-sla__grid{
  display: grid;
  gap: 14px;
  margin-top: clamp(24px, 3.6vw, 36px);
}
.page-contact .ct-sla__item{
  padding: 18px 18px 20px;
  background: var(--fx-paper-3);
  box-shadow: inset 0 3px 0 var(--fx-teal);
}
.page-contact .ct-sla__value{
  margin: 0;
  font-family: var(--fx-font-mono);
  font-size: clamp(24px, 4.4vw, 32px);
  line-height: 1.15;
  letter-spacing: -.01em;
  color: var(--fx-teal);
}
.page-contact .ct-sla__value span{
  margin-left: 4px;
  font-family: var(--fx-font-sans);
  font-size: 13px;
  font-weight: 500;
  color: var(--fx-mist);
}
.page-contact .ct-sla__label{
  margin: 10px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--fx-black);
}
.page-contact .ct-sla__note{
  margin: 22px 0 0;
  max-width: 44em;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--fx-mist);
}

/* ---------- 常见问题 ---------- */
.page-contact .ct-faq{
  background: var(--fx-paper-2);
  border-top: 1px solid var(--fx-line);
  padding-block: clamp(42px, 7vw, 84px);
}
.page-contact .ct-faq__title{
  margin: 8px 0 0;
  font-size: clamp(25px, 5vw, 40px);
  line-height: 1.2;
  color: var(--fx-ink);
}
.page-contact .ct-faq__list{
  margin-top: clamp(22px, 3.4vw, 34px);
  border-top: 1px solid var(--fx-line-strong);
}
.page-contact .ct-faq__item{
  border-bottom: 1px solid var(--fx-line);
}
.page-contact .ct-faq__summary{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  min-height: 44px;
  padding: 16px 0;
  cursor: pointer;
  list-style: none;
}
.page-contact .ct-faq__summary::-webkit-details-marker{
  display: none;
}
.page-contact .ct-faq__summary::after{
  content: "+";
  flex: none;
  font-family: var(--fx-font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--fx-orange-deep);
}
.page-contact .ct-faq__item[open] .ct-faq__summary::after{
  content: "\2212";
}
.page-contact .ct-faq__q{
  margin: 0;
  font-size: clamp(15px, 2.4vw, 17px);
  line-height: 1.5;
  font-weight: 600;
  color: var(--fx-ink);
}
.page-contact .ct-faq__a{
  padding: 0 0 18px;
}
.page-contact .ct-faq__a p{
  margin: 0;
  max-width: 42em;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--fx-black);
}
.page-contact .ct-faq__more{
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--fx-black);
}

/* ---------- 行动收束 ---------- */
.page-contact .ct-cta{
  position: relative;
  overflow: hidden;
  background: var(--fx-orange);
  color: var(--fx-paper);
  padding-block: clamp(40px, 6vw, 74px);
}
.page-contact .ct-cta::before{
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(90% 120% at 100% 100%, rgba(14,34,56,.28), transparent 62%);
  pointer-events: none;
}
.page-contact .ct-cta__inner{
  position: relative;
}
.page-contact .ct-cta__title{
  margin: 0;
  font-size: clamp(24px, 5vw, 40px);
  line-height: 1.2;
  color: var(--fx-paper);
}
.page-contact .ct-cta__text{
  margin: 14px 0 0;
  max-width: 36em;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(250,246,239,.92);
}
.page-contact .ct-cta__actions{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}
.page-contact .ct-copy--light{
  border-color: rgba(250,246,239,.8);
  color: var(--fx-paper);
  background: rgba(14,34,56,.16);
}
.page-contact .ct-copy--light:hover,
.page-contact .ct-copy--light:focus-visible{
  background: var(--fx-paper);
  border-color: var(--fx-paper);
  color: var(--fx-orange-deep);
}
.page-contact .ct-cta__ghost{
  border-color: rgba(250,246,239,.8);
  color: var(--fx-paper);
}
.page-contact .ct-cta__ghost:hover,
.page-contact .ct-cta__ghost:focus-visible{
  background: rgba(250,246,239,.14);
  border-color: var(--fx-paper);
  color: var(--fx-paper);
}
.page-contact .ct-cta .ct-copy__hint{
  color: var(--fx-paper);
}
.page-contact .ct-cta__back{
  margin: 26px 0 0;
  font-size: 13px;
}
.page-contact .ct-cta__back a{
  color: rgba(250,246,239,.9);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px){
  .page-contact .ct-hero__inner{
    grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
  }
  .page-contact .ct-paths__head{
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }
  .page-contact .ct-sla__grid{
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .ct-flow__list{
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px){
  .page-contact .ct-support__grid{
    grid-template-columns: minmax(0, 1fr) minmax(0, .92fr);
  }
  .page-contact .ct-support__card{
    position: sticky;
    top: 24px;
  }
  .page-contact .ct-path__body{
    grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr);
    align-items: start;
  }
  .page-contact .ct-flow__list{
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
  }
  .page-contact .ct-step{
    background: transparent;
    border-left: none;
    border-top: 3px solid var(--fx-orange);
    padding: 22px 20px 26px;
  }
  .page-contact .ct-step + .ct-step{
    border-left: 1px solid var(--fx-line-strong);
  }
}

@media (min-width: 1080px){
  .page-contact .ct-sla__grid{
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-contact .ct-hero__title{
    letter-spacing: -.025em;
  }
}