.page-contact{
  --pc-gap: 1rem;
  --pc-tint: rgba(111, 227, 196, .16);
  --pc-tint-line: rgba(111, 227, 196, .4);
  --pc-paper-ink: rgba(26, 22, 20, .62);
  background: var(--yf-night);
  color: var(--yf-snow);
  overflow-x: clip;
}

.page-contact .pc-topline{
  padding-top: 1rem;
}

/* ---------- hero ---------- */
.page-contact .pc-hero{
  position: relative;
  overflow: hidden;
  padding-block: 1.5rem 2.75rem;
  border-bottom: 1px solid var(--yf-line);
}

.page-contact .pc-hero::before{
  content: "";
  position: absolute;
  top: -30%;
  right: -18%;
  width: 78%;
  height: 162%;
  background: var(--yf-paper);
  opacity: .06;
  clip-path: polygon(34% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-contact .pc-hero::after{
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(30, 44, 68, .55) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30, 44, 68, .55) 1px, transparent 1px);
  background-size: 56px 56px;
  opacity: .38;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .8), transparent 68%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .8), transparent 68%);
  pointer-events: none;
}

.page-contact .pc-hero__inner{
  position: relative;
  z-index: 1;
  display: grid;
  gap: 1.75rem;
  min-width: 0;
}

.page-contact .pc-hero__main{
  min-width: 0;
}

.page-contact .pc-hero h1{
  margin: .65rem 0 0;
  font-size: clamp(2rem, 8.5vw, 4rem);
  line-height: 1.1;
  letter-spacing: -.02em;
  font-weight: 800;
  color: var(--yf-snow);
}

.page-contact .pc-hero__lead{
  margin: 1.1rem 0 0;
  max-width: 34em;
  font-size: var(--yf-t18);
  line-height: 1.85;
  color: var(--yf-mist);
}

.page-contact .pc-hero__actions{
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: 1.6rem;
}

.page-contact .pc-hero__panel{
  min-width: 0;
  align-self: start;
  background: var(--yf-panel);
  border: 1px solid var(--yf-line);
  border-radius: var(--yf-radius-l);
  padding: 1.2rem 1.15rem 1.3rem;
}

.page-contact .pc-facts{
  list-style: none;
  margin: .9rem 0 0;
  padding: 0;
  display: grid;
  gap: .1rem;
}

.page-contact .pc-fact{
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: .2rem .8rem;
  padding-block: .7rem;
  border-bottom: 1px dashed var(--yf-line);
}

.page-contact .pc-fact:last-child{
  border-bottom: 0;
  padding-bottom: .1rem;
}

.page-contact .pc-fact__k{
  font-size: var(--yf-t14);
  color: var(--yf-mist);
}

.page-contact .pc-fact__v{
  font-size: var(--yf-t14);
  color: var(--yf-snow);
  word-break: break-word;
  overflow-wrap: anywhere;
}

/* ---------- shared section head ---------- */
.page-contact .pc-sec-head{
  display: grid;
  gap: .55rem;
  max-width: 64ch;
  margin-bottom: 1.6rem;
}

.page-contact .pc-sec-head h2,
.page-contact .pc-docs h2,
.page-contact .pc-contact h2,
.page-contact .pc-visit h2{
  margin: 0;
  font-size: clamp(1.5rem, 5vw, 2.25rem);
  line-height: 1.22;
  letter-spacing: -.02em;
  font-weight: 800;
}

.page-contact .pc-sec-head p{
  margin: 0;
  font-size: var(--yf-t18);
  line-height: 1.85;
  color: var(--yf-mist);
}

/* ---------- channels ---------- */
.page-contact .pc-channels{
  padding-block: 2.75rem;
  background: linear-gradient(180deg, rgba(17, 28, 46, .72), transparent 62%);
}

.page-contact .pc-rail{
  display: grid;
  gap: .85rem;
}

.page-contact .pc-route{
  min-width: 0;
  background: var(--yf-panel);
  border: 1px solid var(--yf-line);
  border-radius: var(--yf-radius-l);
  padding: 1.1rem 1.1rem 1.25rem;
  transition: transform var(--yf-dur) var(--yf-ease),
              border-color var(--yf-dur) var(--yf-ease);
}

.page-contact .pc-route:hover,
.page-contact .pc-route:focus-within{
  transform: translateY(-2px);
  border-color: var(--pc-tint-line);
}

.page-contact .pc-route--lead{
  background: linear-gradient(165deg, var(--pc-tint), rgba(17, 28, 46, .94) 60%);
  border-color: var(--pc-tint-line);
}

.page-contact .pc-route__summary{
  list-style: none;
  cursor: pointer;
  display: grid;
  gap: .5rem;
  border-radius: var(--yf-radius-s);
}

.page-contact .pc-route__summary::-webkit-details-marker{
  display: none;
}

.page-contact .pc-route__summary:focus-visible{
  outline: 2px solid var(--yf-mint);
  outline-offset: 4px;
}

.page-contact .pc-route__idx{
  font-family: var(--yf-mono);
  font-size: var(--yf-t14);
  letter-spacing: .06em;
  color: var(--yf-mint);
}

.page-contact .pc-route__name{
  margin: 0;
  font-size: var(--yf-t22);
  line-height: 1.3;
  letter-spacing: -.02em;
  font-weight: 800;
  color: var(--yf-snow);
}

.page-contact .pc-route__for{
  font-size: var(--yf-t14);
  line-height: 1.75;
  color: var(--yf-mist);
}

.page-contact .pc-route__eta{
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  font-size: var(--yf-t14);
  line-height: 1.6;
  color: var(--yf-mint);
}

.page-contact .pc-route__eta::before{
  content: "";
  width: 6px;
  height: 6px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--yf-cinnabar);
}

.page-contact .pc-route__toggle{
  justify-self: start;
  font-family: var(--yf-mono);
  font-size: .8125rem;
  color: var(--yf-mist);
  border-bottom: 1px dashed var(--yf-line);
}

.page-contact .pc-route__toggle::after{
  content: "展开细节";
}

.page-contact .pc-route[open] .pc-route__toggle::after{
  content: "收起";
}

.page-contact .pc-route__body{
  margin-top: .95rem;
  padding-top: .95rem;
  border-top: 1px solid var(--yf-line);
  font-size: var(--yf-t14);
  line-height: 1.85;
  color: var(--yf-mist);
}

.page-contact .pc-route__body p{
  margin: 0 0 .6rem;
}

.page-contact .pc-route__body p:last-child{
  margin-bottom: 0;
}

.page-contact .pc-route__body a{
  color: var(--yf-mint);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

/* ---------- booking steps ---------- */
.page-contact .pc-booking{
  padding-block: 2.75rem;
  border-top: 1px solid var(--yf-line);
}

.page-contact .pc-booking__grid{
  display: grid;
  gap: 1.6rem;
  min-width: 0;
}

.page-contact .pc-steps{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .85rem;
  min-width: 0;
}

.page-contact .pc-step{
  position: relative;
  min-width: 0;
  background: var(--yf-panel);
  border: 1px solid var(--yf-line);
  border-radius: var(--yf-radius-m);
  padding: 1rem 1.05rem 1.15rem;
}

.page-contact .pc-step__num{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 999px;
  background: var(--pc-tint);
  border: 1px solid var(--pc-tint-line);
  font-family: var(--yf-mono);
  font-size: var(--yf-t14);
  color: var(--yf-mint);
}

.page-contact .pc-step__name{
  margin: .7rem 0 .35rem;
  font-size: var(--yf-t18);
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--yf-snow);
}

.page-contact .pc-step p{
  margin: 0;
  font-size: var(--yf-t14);
  line-height: 1.8;
  color: var(--yf-mist);
}

.page-contact .pc-booking__media{
  margin: 0;
  min-width: 0;
  overflow: hidden;
}

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

/* ---------- documents ---------- */
.page-contact .pc-docs{
  padding-block: 2.75rem;
  border-top: 1px solid var(--yf-line);
}

.page-contact .pc-docs__grid{
  display: grid;
  gap: 1.6rem;
  min-width: 0;
}

.page-contact .pc-docs__main{
  min-width: 0;
}

.page-contact .pc-docs__lead{
  margin: .8rem 0 0;
  font-size: var(--yf-t18);
  line-height: 1.85;
  color: var(--yf-mist);
  max-width: 40em;
}

.page-contact .pc-doclist{
  list-style: none;
  margin: 1.3rem 0 0;
  padding: 0;
  display: grid;
  gap: .55rem;
}

.page-contact .pc-doclist li{
  display: flex;
  flex-wrap: wrap;
  gap: .3rem .7rem;
  padding: .78rem .9rem;
  background: rgba(17, 28, 46, .85);
  border: 1px solid var(--yf-line);
  border-radius: var(--yf-radius-s);
  font-size: var(--yf-t14);
  line-height: 1.75;
  color: var(--yf-mist);
}

.page-contact .pc-doclist__k{
  font-family: var(--yf-mono);
  font-size: .8125rem;
  color: var(--yf-mint);
  flex: 0 0 auto;
  padding-top: .1rem;
}

.page-contact .pc-docs__cta{
  margin-top: 1.3rem;
}

.page-contact .pc-docs__side{
  min-width: 0;
  padding: 1.25rem 1.15rem 1.35rem;
}

.page-contact .pc-docs__facts{
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  display: grid;
  gap: .5rem;
  font-size: var(--yf-t14);
  line-height: 1.7;
  color: var(--yf-snow);
}

.page-contact .pc-docs__facts li{
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  align-items: baseline;
}

.page-contact .pc-docs__facts .yf-mono{
  font-size: var(--yf-t22);
  color: var(--yf-mint);
}

.page-contact .pc-docs__note{
  margin: 1.1rem 0 0;
  padding-top: .95rem;
  border-top: 1px dashed var(--yf-line);
  font-size: var(--yf-t14);
  line-height: 1.85;
  color: var(--yf-mist);
}

/* ---------- official contact ---------- */
.page-contact .pc-contact{
  padding-block: 2.75rem;
}

.page-contact .pc-contact__paper{
  position: relative;
  overflow: hidden;
  background: var(--yf-paper);
  color: var(--yf-ink);
  border-radius: var(--yf-radius-l);
  padding: 1.6rem 1.15rem 7.5rem;
}

.page-contact .pc-contact__bg{
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 210px;
  pointer-events: none;
}

.page-contact .pc-contact__bg img{
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  opacity: .3;
}

.page-contact .pc-contact__bg::after{
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(244, 239, 230, 1) 0%, rgba(244, 239, 230, .55) 48%, rgba(244, 239, 230, .12) 100%);
}

.page-contact .pc-contact__grid{
  position: relative;
  z-index: 1;
  display: grid;
  gap: 1.5rem;
  min-width: 0;
}

.page-contact .pc-contact .yf-chapter__num{
  color: rgba(26, 22, 20, .5);
}

.page-contact .pc-contact__lead{
  margin: .75rem 0 0;
  font-size: var(--yf-t18);
  line-height: 1.85;
  color: var(--pc-paper-ink);
  max-width: 30em;
}

.page-contact .pc-contact__list{
  list-style: none;
  margin: 1.3rem 0 0;
  padding: 0;
  display: grid;
  gap: .85rem;
}

.page-contact .pc-contact__row{
  display: grid;
  gap: .18rem;
  padding-bottom: .8rem;
  border-bottom: 1px solid rgba(26, 22, 20, .12);
}

.page-contact .pc-contact__row:last-child{
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .pc-contact__k{
  font-family: var(--yf-mono);
  font-size: .8125rem;
  color: var(--pc-paper-ink);
  letter-spacing: .04em;
}

.page-contact .pc-contact__v{
  font-family: var(--yf-mono);
  font-size: var(--yf-t18);
  line-height: 1.6;
  color: var(--yf-ink);
  word-break: break-word;
  overflow-wrap: anywhere;
}

.page-contact .pc-contact__asides{
  min-width: 0;
  display: grid;
  gap: 1rem;
  align-content: start;
}

.page-contact .pc-contact__urgent{
  background: var(--yf-night);
  border-radius: var(--yf-radius-m);
  padding: 1.2rem 1.1rem 1.3rem;
  color: var(--yf-snow);
}

.page-contact .pc-contact__urgent p{
  margin: 0;
  font-size: var(--yf-t14);
  line-height: 1.85;
  color: var(--yf-mist);
}

.page-contact .pc-contact__urgent .yf-eyebrow{
  margin-bottom: .5rem;
  color: var(--yf-mint);
}

.page-contact .pc-contact__urgent a{
  color: var(--yf-mint);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .pc-contact__fine{
  margin: 0;
  font-size: var(--yf-t14);
  line-height: 1.8;
  color: var(--pc-paper-ink);
}

.page-contact .pc-contact__fine a{
  color: var(--yf-ink);
  font-weight: 700;
  text-decoration: underline;
  text-decoration-color: var(--yf-cinnabar);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

/* ---------- visit ---------- */
.page-contact .pc-visit{
  padding-block: 2.75rem;
  border-top: 1px solid var(--yf-line);
}

.page-contact .pc-visit__grid{
  display: grid;
  gap: 1.5rem;
  min-width: 0;
}

.page-contact .pc-visit__main{
  min-width: 0;
}

.page-contact .pc-visit__main p{
  margin: .85rem 0 0;
  font-size: var(--yf-t18);
  line-height: 1.85;
  color: var(--yf-mist);
  max-width: 40em;
}

.page-contact .pc-visit__side{
  min-width: 0;
  padding: 1.25rem 1.15rem 1.35rem;
}

.page-contact .pc-visit__list{
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  display: grid;
  gap: .75rem;
}

.page-contact .pc-visit__list li{
  padding-left: .9rem;
  border-left: 2px solid var(--yf-line);
  font-size: var(--yf-t14);
  line-height: 1.8;
  color: var(--yf-mist);
}

.page-contact .pc-visit__list span{
  display: block;
  font-family: var(--yf-mono);
  font-size: .8125rem;
  letter-spacing: .04em;
  color: var(--yf-mint);
  margin-bottom: .15rem;
}

/* ---------- closing band ---------- */
.page-contact .pc-cta{
  padding-block: 2.25rem;
  background:
    linear-gradient(100deg, rgba(255, 106, 61, .16) 0%, rgba(111, 227, 196, .13) 54%, rgba(11, 18, 32, 0) 100%),
    var(--yf-panel);
  border-top: 1px solid var(--yf-line);
}

.page-contact .pc-cta__inner{
  display: grid;
  gap: 1.1rem;
  min-width: 0;
}

.page-contact .pc-cta__title{
  margin: 0;
  font-size: var(--yf-t22);
  font-weight: 800;
  letter-spacing: -.02em;
  line-height: 1.3;
  color: var(--yf-snow);
}

.page-contact .pc-cta__inner p{
  margin: .55rem 0 0;
  font-size: var(--yf-t14);
  line-height: 1.8;
  color: var(--yf-mist);
  max-width: 46em;
}

.page-contact .pc-cta__actions{
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
}

/* ---------- responsive ---------- */
@media (min-width: 760px){
  .page-contact .pc-hero{
    padding-block: 2rem 3.5rem;
  }

  .page-contact .pc-hero__inner{
    grid-template-columns: 1.5fr 1fr;
    gap: 2.25rem;
    align-items: start;
  }

  .page-contact .pc-channels,
  .page-contact .pc-booking,
  .page-contact .pc-docs,
  .page-contact .pc-contact,
  .page-contact .pc-visit{
    padding-block: 3.5rem;
  }

  .page-contact .pc-contact__paper{
    padding: 2.25rem 2rem 8rem;
  }

  .page-contact .pc-contact__list{
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem 1.75rem;
  }

  .page-contact .pc-contact__row{
    border-bottom: 0;
    padding-bottom: 0;
  }

  .page-contact .pc-doclist{
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .pc-cta__inner{
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 2rem;
  }
}

@media (min-width: 900px){
  .page-contact .pc-booking__grid{
    grid-template-columns: 1.3fr .9fr;
    gap: 2.25rem;
    align-items: start;
  }

  .page-contact .pc-steps{
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: .85rem;
    align-items: stretch;
  }

  .page-contact .pc-step::after{
    content: "";
    position: absolute;
    top: 2.3rem;
    right: -.85rem;
    width: .85rem;
    height: 2px;
    background: var(--pc-tint-line);
  }

  .page-contact .pc-step:last-child::after{
    display: none;
  }

  .page-contact .pc-docs__grid{
    grid-template-columns: 1.55fr 1fr;
    gap: 2.25rem;
    align-items: start;
  }

  .page-contact .pc-contact__grid{
    grid-template-columns: 1.2fr .8fr;
    gap: 2.5rem;
  }

  .page-contact .pc-visit__grid{
    grid-template-columns: 1.3fr .7fr;
    gap: 2.5rem;
    align-items: start;
  }
}

@media (min-width: 1040px){
  .page-contact .pc-rail{
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
    gap: .9rem;
    align-items: start;
  }

  .page-contact .pc-route:nth-child(2){
    margin-top: 1.75rem;
  }

  .page-contact .pc-route:nth-child(4){
    margin-top: .9rem;
  }

  .page-contact .pc-booking__media{
    margin-top: 2rem;
  }
}

@media (prefers-reduced-motion: reduce){
  .page-contact .pc-route{
    transition: none;
  }

  .page-contact .pc-route:hover,
  .page-contact .pc-route:focus-within{
    transform: none;
  }
}