.page-contact{
  --cx-grid-line: rgba(5,11,16,.07);
  --cx-pad: 46px;
  background: var(--ink);
  color: var(--paper);
  overflow-x: hidden;
}
.page-contact .band--paper{color: var(--black);}
.page-contact a{color: inherit;}
.page-contact a:focus-visible,
.page-contact summary:focus-visible{
  outline: 2px solid var(--flame);
  outline-offset: 3px;
}

/* ---------- 首屏 ---------- */
.page-contact .cx-hero{padding: 34px 0 46px;}
.page-contact .cx-hero__grid{display: grid; gap: 32px;}
.page-contact .cx-crumb{margin-bottom: 22px; font-size: 12px;}
.page-contact .cx-crumb .crumb__list{list-style: none; display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0;}
.page-contact .cx-crumb .crumb__link{color: var(--muted); text-decoration: none;}
.page-contact .cx-crumb .crumb__link:hover{color: var(--flame);}
.page-contact .cx-crumb .crumb__sep{color: var(--stone);}
.page-contact .cx-crumb [aria-current="page"]{color: var(--signal);}
.page-contact .cx-kicker{
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--signal);
  margin: 0 0 14px;
}
.page-contact .cx-hero__title{
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: clamp(2.1rem, 8.4vw, 4.3rem);
  line-height: 1.04;
  letter-spacing: -.02em;
  color: var(--white);
  margin: 0 0 18px;
}
.page-contact .cx-hero__lede{
  max-width: 48ch;
  font-size: 1rem;
  line-height: 1.78;
  color: var(--muted);
  margin: 0;
}
.page-contact .cx-hours{
  margin-top: 28px;
  padding-left: 18px;
  border-left: 2px solid var(--flame);
}
.page-contact .cx-hours__label{
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--stone);
  margin: 0 0 6px;
}
.page-contact .cx-hours__value{
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(1.6rem, 7vw, 2.6rem);
  letter-spacing: .02em;
  color: var(--signal);
  margin: 0 0 8px;
  line-height: 1.1;
}
.page-contact .cx-hours__note{
  font-size: .88rem;
  line-height: 1.7;
  color: var(--muted);
  margin: 0;
  max-width: 40ch;
}
.page-contact .cx-hero__figure{
  margin: 0;
  border: 1px solid var(--line);
  background: var(--black);
  box-shadow: var(--shadow-soft);
}
.page-contact .cx-hero__img{
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(.85) contrast(1.05);
  transition: transform var(--t) var(--ease);
}
.page-contact .cx-hero__figure:hover .cx-hero__img{transform: scale(1.02);}
.page-contact .cx-hero__cap{
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.6;
  color: var(--stone);
  padding: 10px 12px;
  border-top: 1px solid var(--line);
}

/* ---------- 通道 ---------- */
.page-contact .cx-channels{
  background: var(--field);
  padding: 62px 0 54px;
  clip-path: polygon(0 0, 100% 2%, 100% 100%, 0 100%);
}
.page-contact .cx-head{margin-bottom: 26px;}
.page-contact .cx-head .idx{
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--signal);
  margin: 0 0 10px;
}
.page-contact .cx-head__title{
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: clamp(1.5rem, 5.4vw, 2.4rem);
  line-height: 1.16;
  letter-spacing: -.01em;
  color: var(--white);
  margin: 0 0 10px;
}
.page-contact .cx-head__note{
  font-size: .95rem;
  line-height: 1.7;
  color: var(--muted);
  margin: 0;
  max-width: 52ch;
}
.page-contact .cx-channel-list{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}
.page-contact .cx-channel{
  position: relative;
  padding: 22px 0;
  border-top: 1px solid var(--line);
}
.page-contact .cx-channel:last-child{border-bottom: 1px solid var(--line);}
.page-contact .cx-channel::before{
  content: "";
  position: absolute;
  left: 0;
  top: -1px;
  height: 2px;
  width: 0;
  background: var(--flame);
  transition: width var(--t) var(--ease);
}
.page-contact .cx-channel:hover::before,
.page-contact .cx-channel:focus-within::before{width: 100%;}
.page-contact .cx-channel__idx{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--stone);
  margin: 0 0 6px;
}
.page-contact .cx-channel__title{
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--white);
  margin: 0 0 8px;
}
.page-contact .cx-channel__value{
  font-family: var(--font-mono);
  font-size: clamp(.95rem, 3.4vw, 1.08rem);
  letter-spacing: .01em;
  color: var(--signal);
  margin: 0 0 10px;
  word-break: break-word;
}
.page-contact .cx-channel__desc{
  font-size: .92rem;
  line-height: 1.72;
  color: var(--muted);
  margin: 0 0 14px;
  max-width: 40ch;
}
.page-contact .cx-channel__link{
  display: inline-block;
  font-size: .9rem;
  font-weight: 500;
  text-decoration: none;
  color: var(--paper);
  border-bottom: 1px solid var(--flame);
  padding-bottom: 3px;
  transition: color var(--t) var(--ease), border-color var(--t) var(--ease);
}
.page-contact .cx-channel__link:hover{color: var(--flame);}

/* ---------- 反馈类型 ---------- */
.page-contact .cx-types{background: var(--paper); padding: 52px 0;}
.page-contact .cx-head--paper .cx-head__title{color: var(--black);}
.page-contact .cx-head--paper .cx-head__note{color: rgba(5,11,16,.66);}
.page-contact .cx-head--paper .idx{color: var(--clay);}
.page-contact .cx-type-list{
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-dark);
}
.page-contact .cx-type{
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 6px 12px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line-dark);
  transition: background-color var(--t) var(--ease);
}
.page-contact .cx-type:hover{background: rgba(62,107,82,.07);}
.page-contact .cx-type__idx{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--clay);
  padding-top: 4px;
}
.page-contact .cx-type__body{grid-column: 2;}
.page-contact .cx-type__title{
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--black);
  margin: 0 0 5px;
}
.page-contact .cx-type__desc{
  font-size: .91rem;
  line-height: 1.7;
  color: rgba(5,11,16,.66);
  margin: 0;
  max-width: 46ch;
}
.page-contact .cx-type__link{
  grid-column: 2;
  justify-self: start;
  font-size: .86rem;
  font-weight: 600;
  color: var(--clay);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: border-color var(--t) var(--ease), color var(--t) var(--ease);
}
.page-contact .cx-type__link:hover{border-bottom-color: var(--clay);}

.page-contact .cx-tips{margin-top: 40px; display: grid; gap: 26px;}
.page-contact .cx-tips__title{
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: clamp(1.3rem, 4.6vw, 1.85rem);
  line-height: 1.2;
  letter-spacing: -.01em;
  color: var(--black);
  margin: 0 0 14px;
}
.page-contact .cx-tips__list{
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: tip;
}
.page-contact .cx-tips__list li{
  counter-increment: tip;
  position: relative;
  padding: 12px 0 12px 36px;
  border-bottom: 1px solid var(--line-dark);
  font-size: .93rem;
  line-height: 1.72;
  color: rgba(5,11,16,.74);
}
.page-contact .cx-tips__list li:first-child{border-top: 1px solid var(--line-dark);}
.page-contact .cx-tips__list li::before{
  content: counter(tip, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 13px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--clay);
}
.page-contact .cx-tips__list strong{
  display: block;
  font-weight: 700;
  color: var(--black);
  margin-bottom: 2px;
}
.page-contact .cx-tips__figure{
  margin: 0;
  border: 1px solid var(--line-dark);
  background: var(--white);
}
.page-contact .cx-tips__img{
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}
.page-contact .cx-tips__cap{
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.6;
  color: rgba(5,11,16,.55);
  padding: 10px 12px;
  border-top: 1px solid var(--line-dark);
}

/* ---------- 合作 ---------- */
.page-contact .cx-coop{padding: 56px 0;}
.page-contact .cx-coop__grid{display: grid; gap: 30px;}
.page-contact .cx-coop__intro .idx{
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--signal);
  margin: 0 0 10px;
}
.page-contact .cx-coop__title{
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: clamp(1.5rem, 5.4vw, 2.4rem);
  line-height: 1.16;
  color: var(--white);
  margin: 0 0 14px;
}
.page-contact .cx-coop__lede{
  font-size: .95rem;
  line-height: 1.78;
  color: var(--muted);
  margin: 0 0 14px;
  max-width: 44ch;
}
.page-contact .cx-coop__btn{margin-top: 8px;}
.page-contact .cx-coop__list{border-top: 1px solid var(--line);}
.page-contact .cx-coop__item{border-bottom: 1px solid var(--line);}
.page-contact .cx-coop__item summary{
  position: relative;
  cursor: pointer;
  list-style: none;
  padding: 16px 34px 16px 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--white);
  transition: color var(--t) var(--ease);
}
.page-contact .cx-coop__item summary::-webkit-details-marker{display: none;}
.page-contact .cx-coop__item summary:hover{color: var(--flame);}
.page-contact .cx-coop__item summary::after{
  content: "+";
  position: absolute;
  right: 0;
  top: 14px;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--signal);
  transform-origin: 50% 50%;
  transition: transform var(--t) var(--ease);
}
.page-contact .cx-coop__item[open] summary::after{transform: rotate(45deg);}
.page-contact .cx-coop__item p{
  margin: 0;
  padding: 0 0 18px;
  font-size: .92rem;
  line-height: 1.78;
  color: var(--muted);
  max-width: 52ch;
}

/* ---------- 地址与响应 ---------- */
.page-contact .cx-addr{background: var(--paper); padding: 52px 0;}
.page-contact .cx-addr__grid{display: grid; gap: 32px;}
.page-contact .cx-addr__card{
  position: relative;
  padding: 24px 20px;
  border: 1px solid var(--line-dark);
  background-color: var(--white);
  background-image:
    linear-gradient(var(--cx-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--cx-grid-line) 1px, transparent 1px);
  background-size: 30px 30px;
}
.page-contact .cx-addr__tag{
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--field);
  background: var(--signal);
  padding: 4px 10px;
  margin: 0 0 14px;
}
.page-contact .cx-addr__title{
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: clamp(1.3rem, 4.6vw, 1.85rem);
  line-height: 1.2;
  color: var(--black);
  margin: 0 0 12px;
}
.page-contact .cx-addr__value{
  font-size: 1.02rem;
  font-weight: 600;
  line-height: 1.68;
  color: var(--black);
  margin: 0 0 12px;
  padding-left: 14px;
  border-left: 2px solid var(--clay);
}
.page-contact .cx-addr__note{
  font-size: .92rem;
  line-height: 1.75;
  color: rgba(5,11,16,.68);
  margin: 0 0 14px;
  max-width: 46ch;
}
.page-contact .cx-addr__legal{
  font-size: .86rem;
  line-height: 1.8;
  color: rgba(5,11,16,.6);
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid var(--line-dark);
}
.page-contact .cx-addr__legal a{
  color: var(--field);
  text-decoration: none;
  border-bottom: 1px solid rgba(18,59,46,.35);
}
.page-contact .cx-addr__legal a:hover{border-bottom-color: var(--flame); color: var(--flame);}
.page-contact .cx-addr__time{border-top: 2px solid var(--flame); padding-top: 18px;}
.page-contact .cx-addr__time .idx{
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--clay);
  margin: 0 0 10px;
}
.page-contact .cx-addr__clock{
  font-family: var(--font-mono);
  font-size: clamp(1.1rem, 4.4vw, 1.5rem);
  font-weight: 600;
  line-height: 1.3;
  color: var(--field);
  margin: 0 0 14px;
}
.page-contact .cx-addr__clock span{
  font-size: clamp(1.7rem, 7vw, 2.4rem);
  color: var(--black);
  letter-spacing: .01em;
}
.page-contact .cx-addr__timecopy{
  font-size: .92rem;
  line-height: 1.78;
  color: rgba(5,11,16,.7);
  margin: 0 0 12px;
  max-width: 46ch;
}
.page-contact .cx-addr__timecopy a{
  color: var(--field);
  text-decoration: none;
  border-bottom: 1px solid rgba(18,59,46,.35);
}
.page-contact .cx-addr__timecopy a:hover{border-bottom-color: var(--flame); color: var(--flame);}

/* ---------- 收尾色带 ---------- */
.page-contact .cx-cta{
  background: var(--field);
  padding: 68px 0 50px;
  clip-path: polygon(0 6%, 100% 0, 100% 100%, 0 100%);
}
.page-contact .cx-cta__row{display: grid; gap: 20px; align-items: center;}
.page-contact .cx-cta .idx{
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--signal);
  margin: 0 0 8px;
}
.page-contact .cx-cta__title{
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: clamp(1.4rem, 5vw, 2.1rem);
  line-height: 1.18;
  color: var(--white);
  margin: 0;
}
.page-contact .cx-cta__btn{justify-self: start;}

/* ---------- 断点 ---------- */
@media (min-width: 720px){
  .page-contact .cx-type{
    grid-template-columns: 56px 1fr auto;
    align-items: center;
    padding: 20px 0;
  }
  .page-contact .cx-type__body{grid-column: 2;}
  .page-contact .cx-type__link{grid-column: 3; grid-row: 1; align-self: center;}
  .page-contact .cx-cta__row{grid-template-columns: 1fr auto; gap: 32px;}
}

@media (min-width: 960px){
  .page-contact .cx-hero{padding: 52px 0 64px;}
  .page-contact .cx-hero__grid{
    grid-template-columns: 7fr 5fr;
    gap: 48px;
    align-items: start;
  }
  .page-contact .cx-hero__lede{font-size: 1.05rem;}
  .page-contact .cx-channels{padding: 78px 0 66px; clip-path: polygon(0 0, 100% 3%, 100% 100%, 0 100%);}
  .page-contact .cx-channel-list{grid-template-columns: repeat(3, 1fr);}
  .page-contact .cx-channel{
    padding: 26px 26px 30px;
    border-top: none;
    border-left: 1px solid var(--line);
  }
  .page-contact .cx-channel:first-child{padding-left: 0; border-left: none;}
  .page-contact .cx-channel:last-child{border-bottom: none;}
  .page-contact .cx-channel::before{top: 0;}
  .page-contact .cx-types{padding: 74px 0;}
  .page-contact .cx-tips{grid-template-columns: 1fr 1fr; gap: 44px; align-items: start; margin-top: 48px;}
  .page-contact .cx-coop{padding: 74px 0;}
  .page-contact .cx-coop__grid{grid-template-columns: 5fr 7fr; gap: 56px; align-items: start;}
  .page-contact .cx-addr{padding: 74px 0;}
  .page-contact .cx-addr__grid{grid-template-columns: 7fr 5fr; gap: 48px;}
  .page-contact .cx-addr__card{padding: 32px 30px;}
  .page-contact .cx-cta{padding: 84px 0 58px; clip-path: polygon(0 8%, 100% 0, 100% 100%, 0 100%);}
}

@media (prefers-reduced-motion: reduce){
  .page-contact .cx-hero__img,
  .page-contact .cx-channel::before,
  .page-contact .cx-coop__item summary::after{transition: none;}
  .page-contact .cx-hero__figure:hover .cx-hero__img{transform: none;}
}