.page-contact{
  --page-green: #00FF87;
  --page-blue: #00E5FF;
  --page-purple: #7B61FF;
  --page-orange: #FFB300;
  --page-panel: #14202C;
  --page-panel-2: #182734;
  --page-border: #203243;
  --page-text: #B8C6D1;
  --page-bright: #F0F6FC;
  --page-mono: "JetBrains Mono", "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  --page-display: "Noto Sans SC", "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;

  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: 1.25rem 1rem 4rem;
  background-color: #0A1119;
  background-image:
    linear-gradient(rgba(32,50,67,.25) 1px, transparent 1px),
    linear-gradient(90deg, rgba(32,50,67,.25) 1px, transparent 1px);
  background-size: 40px 40px;
  color: var(--page-text);
  font-family: "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

.page-contact::before{
  content: "";
  position: absolute;
  width: 420px;
  height: 420px;
  right: -140px;
  top: 120px;
  background: radial-gradient(circle, rgba(0,229,255,.18), transparent 70%);
  z-index: -1;
  pointer-events: none;
}

.page-contact::after{
  content: "";
  position: absolute;
  width: 620px;
  height: 620px;
  left: -260px;
  bottom: 240px;
  background: radial-gradient(circle, rgba(123,97,255,.12), transparent 70%);
  z-index: -1;
  pointer-events: none;
}

.page-contact .contact-breadcrumb{
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: .35rem;
  margin-bottom: 2.5rem;
  font-size: .75rem;
  letter-spacing: .08em;
  color: rgba(184,198,209,.6);
}

.page-contact .contact-breadcrumb a{
  color: var(--page-blue);
  text-decoration: none;
  transition: color 200ms ease-out;
}

.page-contact .contact-breadcrumb a:hover{
  color: var(--page-green);
}

.page-contact .contact-breadcrumb__sep{
  color: rgba(184,198,209,.35);
}

.page-contact .contact-hero{
  margin-bottom: 2.5rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--page-border);
}

.page-contact .contact-hero__title{
  margin: 0;
  font-family: var(--page-display);
  font-size: clamp(2.4rem, 8vw, 5.6rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -.02em;
  color: var(--page-bright);
}

.page-contact .contact-hero__mark{
  display: block;
  margin-top: .35rem;
  color: var(--page-text);
  font-size: clamp(1.05rem, 3vw, 1.9rem);
  font-weight: 600;
  letter-spacing: .01em;
}

.page-contact .contact-hero__mark::before{
  content: "";
  display: inline-block;
  width: 3.2rem;
  height: .28rem;
  margin-right: .85rem;
  background: var(--page-green);
  vertical-align: middle;
}

.page-contact .contact-hero__sub{
  max-width: 68ch;
  margin: 1.25rem 0 0;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--page-text);
}

.page-contact .contact-hero__sub strong{
  color: var(--page-bright);
  font-weight: 700;
}

.page-contact .contact-hero__meta{
  display: flex;
  flex-wrap: wrap;
  gap: .6rem 1.1rem;
  margin-top: 1.6rem;
}

.page-contact .contact-hero__meta span{
  position: relative;
  padding-left: 1rem;
  font-size: .8rem;
  font-weight: 500;
  color: var(--page-text);
}

.page-contact .contact-hero__meta span::before{
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 7px;
  height: 7px;
  margin-top: -4px;
  background: var(--page-green);
  transform: rotate(45deg);
}

.page-contact .contact-split{
  display: grid;
  gap: 1.5rem;
  margin-bottom: 4rem;
}

.page-contact .contact-details{
  position: relative;
  padding: 1.75rem 1.25rem 2.6rem;
  background:
    linear-gradient(140deg, rgba(24,39,52,.9), rgba(20,32,44,.55) 55%, rgba(10,17,25,.9)),
    radial-gradient(circle at 8% 12%, rgba(255,179,0,.14), transparent 44%);
  border: 1px solid var(--page-border);
  border-radius: 18px 6px 18px 6px;
  box-shadow: 0 18px 40px rgba(0,0,0,.22);
}

.page-contact .contact-details::after{
  content: "DATA SERVICE";
  position: absolute;
  right: 1rem;
  bottom: .65rem;
  font-family: var(--page-mono);
  font-size: .68rem;
  letter-spacing: .18em;
  color: rgba(0,229,255,.45);
}

.page-contact .contact-details__head,
.page-contact .contact-feedback__head,
.page-contact .contact-response__head{
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: .55rem;
}

.page-contact .contact-detail-title{
  margin: 0;
  font-family: var(--page-display);
  font-size: clamp(1.5rem, 3.2vw, 2.25rem);
  font-weight: 900;
  color: var(--page-bright);
  letter-spacing: -.01em;
  line-height: 1.2;
}

.page-contact .contact-detail-title--block{
  display: inline-block;
}

.page-contact .contact-detail-title__index,
.page-contact .contact-feedback__badge,
.page-contact .contact-coop__index,
.page-contact .contact-response__index{
  font-family: var(--page-mono);
  font-size: .74rem;
  letter-spacing: .08em;
  color: rgba(184,198,209,.55);
  padding: .15rem .55rem;
  border: 1px solid rgba(32,50,67,.8);
  border-radius: 999px;
  white-space: nowrap;
}

.page-contact .contact-details__hint,
.page-contact .contact-feedback__hint,
.page-contact .contact-coop__lead,
.page-contact .contact-response__lead{
  font-size: .95rem;
  line-height: 1.7;
  color: rgba(184,198,209,.8);
}

.page-contact .contact-line{
  padding: .85rem 0;
  border-bottom: 1px dashed rgba(32,50,67,.8);
  transition: background 200ms ease-out, padding-left 200ms ease-out;
}

.page-contact .contact-line:hover{
  background: rgba(0,229,255,.06);
  padding-left: .6rem;
}

.page-contact .contact-line__flag{
  display: block;
  margin-bottom: .4rem;
  font-family: var(--page-mono);
  font-size: .8rem;
  letter-spacing: .24em;
  color: var(--page-blue);
}

.page-contact .contact-line__value{
  margin: 0;
  font-family: var(--page-mono);
  font-size: clamp(1.05rem, 4.5vw, 2.1rem);
  font-weight: 600;
  color: var(--page-bright);
  line-height: 1.25;
  word-break: break-word;
  overflow-wrap: anywhere;
}

.page-contact .contact-line--mail .contact-line__value{
  color: var(--page-green);
  text-decoration: underline;
  text-decoration-thickness: 3px;
  text-underline-offset: 8px;
  text-decoration-color: rgba(0,255,135,.55);
}

.page-contact .contact-line--phone .contact-line__value{
  font-size: clamp(1.6rem, 8vw, 3rem);
  font-weight: 700;
  letter-spacing: .03em;
  color: var(--page-bright);
}

.page-contact .contact-line--addr .contact-line__value{
  font-family: "Noto Sans SC", sans-serif;
  font-weight: 500;
  font-size: .98rem;
  color: var(--page-text);
  line-height: 1.7;
}

.page-contact .contact-details__status{
  margin: 1.4rem 0 0;
  font-size: .82rem;
  line-height: 1.7;
  color: rgba(184,198,209,.62);
}

.page-contact .contact-feedback{
  display: flex;
  flex-direction: column;
  padding: 1.5rem 1.25rem;
  background: rgba(10,17,25,.55);
  border: 1px solid var(--page-border);
  border-radius: 6px 18px 6px 18px;
}

.page-contact .contact-feedback__list{
  list-style: none;
  margin: 1.25rem 0 0;
  padding: 0;
}

.page-contact .feedback-row{
  display: grid;
  gap: .15rem;
  padding: .8rem 0;
  border-top: 1px dashed rgba(32,50,67,.85);
}

.page-contact .feedback-row:last-of-type{
  border-top: none;
}

.page-contact .feedback-row__step{
  font-family: var(--page-mono);
  font-size: .7rem;
  letter-spacing: .22em;
  color: var(--page-green);
}

.page-contact .feedback-row--note .feedback-row__step{
  color: var(--page-orange);
}

.page-contact .feedback-row__label{
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--page-blue);
}

.page-contact .feedback-row__desc{
  font-size: .9rem;
  line-height: 1.6;
  color: var(--page-text);
}

.page-contact .contact-feedback__note{
  position: relative;
  margin: 1.2rem 0 0;
  padding: .9rem 1rem .9rem 2.6rem;
  background: rgba(255,179,0,.08);
  border: 1px solid rgba(255,179,0,.25);
  border-radius: 4px 14px 4px 14px;
  font-size: .92rem;
  line-height: 1.75;
  color: var(--page-text);
}

.page-contact .contact-feedback__note-icon{
  position: absolute;
  left: .8rem;
  top: 1rem;
  width: 1.15rem;
  height: 1.15rem;
  border-radius: 50%;
  background: var(--page-orange);
  color: #0A1119;
  font-family: var(--page-mono);
  font-weight: 700;
  font-size: .75rem;
  text-align: center;
  line-height: 1.15rem;
}

.page-contact .contact-coop{
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--page-border);
}

.page-contact .contact-coop__head{
  margin-bottom: 1.5rem;
}

.page-contact .contact-coop__titlewrap{
  display: flex;
  align-items: center;
  gap: .8rem;
  margin-bottom: .6rem;
}

.page-contact .contact-coop__lead{
  max-width: 56rem;
  margin: 0;
}

.page-contact .contact-coop__grid{
  display: grid;
  gap: 1.1rem;
}

.page-contact .coop-card{
  position: relative;
  padding: 1.6rem 1.4rem;
  background: linear-gradient(160deg, rgba(20,32,44,.92), rgba(10,17,25,.88));
  border: 1px solid var(--page-border);
  border-radius: 12px 4px 12px 4px;
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 20px 100%, 0 calc(100% - 20px));
  transition: transform 200ms ease-out, border-color 200ms ease-out, background 300ms ease-out;
}

.page-contact .coop-card:hover{
  transform: rotate(2deg) translateY(-4px);
  border-color: var(--page-green);
  background: linear-gradient(160deg, rgba(24,39,52,.95), rgba(10,17,25,.94));
}

.page-contact .coop-card:focus-visible{
  outline: 2px solid var(--page-blue);
  outline-offset: 3px;
}

.page-contact .coop-card__index{
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  margin-bottom: .9rem;
  font-family: var(--page-mono);
  font-size: .8rem;
  font-weight: 500;
  letter-spacing: .18em;
  color: var(--page-blue);
}

.page-contact .coop-card--blue .coop-card__index{
  color: var(--page-blue);
}

.page-contact .coop-card--purple .coop-card__index{
  color: var(--page-purple);
}

.page-contact .coop-card h3{
  margin: 0 0 .75rem;
  font-family: var(--page-display);
  font-size: 1.3rem;
  font-weight: 900;
  color: var(--page-bright);
  line-height: 1.3;
}

.page-contact .coop-card p{
  margin: 0;
  font-size: .9rem;
  line-height: 1.75;
  color: var(--page-text);
}

.page-contact .coop-card__meta{
  list-style: none;
  margin: 1.1rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
}

.page-contact .coop-card__meta li{
  font-family: var(--page-mono);
  font-size: .74rem;
  padding: .2rem .55rem;
  background: rgba(0,229,255,.08);
  border: 1px solid rgba(0,229,255,.22);
  color: rgba(184,198,209,.85);
  border-radius: 20px 4px 20px 4px;
}

.page-contact .coop-card__detail{
  display: grid;
  gap: .4rem;
  margin-top: .9rem;
  padding-top: .8rem;
  border-top: 1px dashed var(--page-border);
  font-size: .82rem;
  line-height: 1.6;
  color: rgba(184,198,209,.75);
}

.page-contact .contact-coop__banner{
  margin-top: 2rem;
  background: rgba(20,32,44,.4);
  border: 1px solid var(--page-border);
  border-radius: 18px 6px 18px 6px;
  overflow: hidden;
}

.page-contact .contact-coop__banner img{
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .contact-coop__caption{
  margin: 0;
  padding: .7rem 1rem .85rem;
  font-size: .82rem;
  color: rgba(184,198,209,.62);
  border-top: 1px solid rgba(32,50,67,.5);
}

.page-contact .contact-response{
  display: grid;
  gap: 1.5rem;
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--page-border);
}

.page-contact .contact-response__figure{
  position: relative;
  padding: 1rem;
  background: radial-gradient(circle at center, rgba(0,255,135,.08), transparent 70%);
  border: 1px solid var(--page-border);
  border-radius: 18px 6px 18px 6px;
}

.page-contact .contact-response__figure img{
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: 14px 4px 14px 4px;
}

.page-contact .contact-response__stamp{
  position: absolute;
  right: -.6rem;
  top: -.6rem;
  width: 74px;
  height: 74px;
  display: grid;
  place-items: center;
  background: var(--page-green);
  color: #0A1119;
  font-family: var(--page-mono);
  font-weight: 800;
  font-size: 1.4rem;
  border-radius: 50%;
  transform: rotate(8deg);
  box-shadow: 0 8px 24px rgba(0,255,135,.28);
  letter-spacing: .05em;
}

.page-contact .contact-response__list{
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: grid;
  gap: .65rem;
}

.page-contact .contact-response__list li{
  position: relative;
  padding-left: 2.2rem;
  line-height: 1.7;
}

.page-contact .contact-response__list li::before{
  content: "";
  position: absolute;
  left: 0;
  top: .55em;
  width: 22px;
  height: 8px;
  background: var(--page-green);
  clip-path: polygon(0 0, 100% 0, 80% 100%, 0 100%);
}

.page-contact .contact-response__note{
  margin: 1.4rem 0 0;
  padding: 1rem 1.1rem;
  border-left: 4px solid var(--page-green);
  background: rgba(20,32,44,.55);
  border-radius: 0 10px 10px 0;
  line-height: 1.8;
  font-size: .94rem;
  color: rgba(240,246,252,.9);
}

.page-contact .contact-response__links{
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: 1.5rem;
}

.page-contact .contact-response__link{
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .5rem .95rem .5rem .6rem;
  background: rgba(20,32,44,.7);
  border: 1px solid var(--page-border);
  border-radius: 30px 8px 30px 8px;
  color: var(--page-text);
  font-size: .85rem;
  text-decoration: none;
  transition: border-color 200ms ease-out, background 200ms ease-out, color 200ms ease-out;
}

.page-contact .contact-response__link::before{
  content: "";
  width: 8px;
  height: 8px;
  background: var(--page-blue);
  border-radius: 50%;
}

.page-contact .contact-response__link:hover{
  border-color: var(--page-blue);
  color: var(--page-bright);
}

@media (hover: hover){
  .page-contact .coop-card__detail{
    display: block;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    margin: 0;
    padding-top: 0;
    border-top: 0;
    transition: max-height 300ms ease-out, opacity 200ms ease-out, margin-top 200ms ease-out;
  }

  .page-contact .coop-card:hover .coop-card__detail,
  .page-contact .coop-card:focus-within .coop-card__detail{
    display: block;
    max-height: 140px;
    opacity: 1;
    margin-top: .9rem;
    padding-top: .8rem;
    border-top: 1px dashed var(--page-border);
  }
}

@media (min-width: 720px){
  .page-contact .contact-coop__grid{
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
  }

  .page-contact .contact-response__figure{
    max-width: 440px;
  }
}

@media (min-width: 820px){
  .page-contact .feedback-row{
    grid-template-columns: 72px 96px 1fr;
    align-items: baseline;
    gap: .6rem;
  }

  .page-contact .feedback-row__step{
    padding-top: .15rem;
  }
}

@media (min-width: 900px){
  .page-contact .contact-split{
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    gap: 2rem;
    align-items: stretch;
  }

  .page-contact .contact-details,
  .page-contact .contact-feedback{
    padding: 2rem;
  }

  .page-contact .contact-coop__head{
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 2rem;
  }

  .page-contact .contact-coop__titlewrap{
    margin-bottom: 0;
  }

  .page-contact .contact-coop__lead{
    max-width: 520px;
    margin: 0;
  }

  .page-contact .contact-response{
    grid-template-columns: 380px 1fr;
    gap: 3rem;
    align-items: center;
  }
}

@media (min-width: 1040px){
  .page-contact .contact-coop__grid{
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }
}

@media (min-width: 1100px){
  .page-contact{
    padding: 3rem 4rem 5rem;
  }

  .page-contact .contact-hero__sub{
    font-size: 1.05rem;
  }
}