.page-contact {
  --ct-rule: 2px;
  --ct-shell-pad: clamp(1.25rem, 4vw, 3.5rem);
  background:
    radial-gradient(120% 55% at 100% 0%, rgba(139, 92, 246, .10), transparent 62%),
    radial-gradient(90% 45% at 0% 30%, rgba(43, 231, 208, .05), transparent 60%),
    var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  overflow-x: hidden;
  padding-bottom: 0;
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  position: relative;
  padding: clamp(5rem, 13vw, 8.5rem) 0 clamp(2.75rem, 6vw, 4.5rem);
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-hero__deco {
  position: absolute;
  top: -12%;
  right: -28%;
  width: min(78vw, 660px);
  height: min(92vw, 720px);
  background: linear-gradient(155deg, rgba(232, 178, 58, .30), rgba(242, 107, 33, .13) 48%, transparent 72%);
  transform: skewX(-14deg) rotate(-9deg);
  pointer-events: none;
}

.page-contact .contact-hero__deco::after {
  content: "";
  position: absolute;
  inset: 14% 20% 12% 0;
  border: 1px solid rgba(43, 231, 208, .30);
}

.page-contact .contact-hero .crumbs {
  position: relative;
  z-index: 1;
  margin-bottom: clamp(1.75rem, 4vw, 2.75rem);
}

.page-contact .contact-hero__grid {
  position: relative;
  z-index: 1;
}

.page-contact .contact-hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 8vw, 4.1rem);
  line-height: .96;
  letter-spacing: -.02em;
  margin: 0 0 1.15rem;
}

.page-contact .contact-hero__lead {
  color: var(--mist);
  max-width: 54ch;
  margin: 0;
}

.page-contact .contact-hero__pills {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-top: 1.5rem;
}

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

.page-contact .contact-hero__fig {
  margin: 0;
  position: relative;
}

.page-contact .contact-hero__fig img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  box-shadow: 0 0 0 1px rgba(43, 231, 208, .18);
  filter: saturate(1.05);
}

.page-contact .contact-hero__fig::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -.9rem;
  width: 46%;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), rgba(232, 178, 58, 0));
}

/* ---------- 渠道分流 ---------- */

.page-contact .contact-route {
  padding: clamp(2.75rem, 7vw, 5rem) 0;
}

.page-contact .contact-route__intro {
  color: var(--mist);
  margin: 1rem 0 0;
}

.page-contact .contact-route__filter {
  margin-top: clamp(1.75rem, 4vw, 2.5rem);
}

.page-contact .route-list {
  list-style: none;
  margin: clamp(1.75rem, 4vw, 2.5rem) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.page-contact .route-card {
  position: relative;
  background: var(--char);
  border: 1px solid var(--line);
  border-top: 3px solid var(--gold);
  padding: 1.35rem 1.2rem 1.5rem;
  display: flex;
  flex-direction: column;
}

.page-contact .route-card:nth-child(1) { border-top-color: var(--gold); }
.page-contact .route-card:nth-child(2) { border-top-color: var(--cyan); }
.page-contact .route-card:nth-child(3) { border-top-color: var(--violet); }
.page-contact .route-card:nth-child(4) { border-top-color: var(--jade); }

.page-contact .route-card__idx {
  font-family: var(--font-num);
  font-weight: 600;
  font-size: .8rem;
  letter-spacing: .12em;
  color: var(--mist);
  margin: 0 0 .75rem;
}

.page-contact .route-card__title {
  margin: 0 0 .65rem;
}

.page-contact .route-card__text {
  margin: 0;
  font-size: .93rem;
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .route-card__meta {
  margin: 1.15rem 0 .65rem;
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-contact .route-card__link {
  margin-top: auto;
  align-self: flex-start;
  font-size: .85rem;
  letter-spacing: .02em;
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: .2em;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .route-card__link:hover,
.page-contact .route-card__link:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---------- 三条联系方式 ---------- */

.page-contact .contact-lines {
  padding: clamp(2.5rem, 6vw, 4.5rem) 0 clamp(1.5rem, 4vw, 3rem);
}

.page-contact .contact-lines__head {
  margin-bottom: clamp(1.5rem, 4vw, 2.25rem);
}

.page-contact .line {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  padding: clamp(1.5rem, 4vw, 2.35rem) 0;
  border-top: var(--ct-rule) solid var(--gold);
}

.page-contact .line__key {
  margin: 0 0 .85rem;
}

.page-contact .line__value {
  display: inline-block;
  font-family: var(--font-num);
  font-weight: 600;
  font-size: clamp(1.05rem, 4.4vw, 1.75rem);
  letter-spacing: .045em;
  line-height: 1.35;
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid rgba(232, 178, 58, .55);
  padding-bottom: .18em;
  word-break: break-all;
  font-style: normal;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .line__value--num {
  letter-spacing: .09em;
}

.page-contact .line__value--addr {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: clamp(.98rem, 3.6vw, 1.12rem);
  letter-spacing: .01em;
  word-break: normal;
  border-bottom: 0;
  padding-bottom: 0;
  color: var(--paper);
}

.page-contact a.line__value:hover,
.page-contact a.line__value:focus-visible {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

.page-contact .line__side p {
  margin: 0;
  font-size: .89rem;
  line-height: 1.78;
  color: var(--mist);
  max-width: 46ch;
}

.page-contact .contact-lines__tail {
  border-top: var(--ct-rule) solid var(--gold);
  opacity: .55;
}

/* ---------- 写信指引 ---------- */

.page-contact .contact-brief {
  padding: clamp(2.5rem, 7vw, 4.75rem) 0 clamp(2.75rem, 7vw, 5rem);
}

.page-contact .contact-brief__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.75rem, 5vw, 3rem);
}

.page-contact .checklist {
  list-style: none;
  margin: clamp(1.25rem, 3vw, 1.75rem) 0 0;
  padding: 0;
  display: grid;
  gap: .7rem;
}

.page-contact .checklist li {
  display: flex;
}

.page-contact .checklist label {
  display: flex;
  align-items: flex-start;
  gap: .7rem;
  font-size: .93rem;
  line-height: 1.7;
  color: var(--mist);
  cursor: pointer;
}

.page-contact .checklist input {
  -webkit-appearance: none;
  appearance: none;
  flex: none;
  width: 15px;
  height: 15px;
  margin: .35rem 0 0;
  border: 1px solid var(--line);
  background: var(--char);
  position: relative;
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-contact .checklist input:checked {
  border-color: var(--cyan);
  background: rgba(43, 231, 208, .14);
}

.page-contact .checklist input:checked::after {
  content: "";
  position: absolute;
  inset: 3px;
  background: var(--cyan);
}

.page-contact .checklist input:focus-visible {
  outline: 1px solid var(--violet);
  outline-offset: 2px;
}

.page-contact .contact-brief__note {
  margin: 1.5rem 0 0;
  padding-left: 1rem;
  border-left: 2px solid var(--violet);
  font-size: .88rem;
  line-height: 1.75;
  color: var(--mist);
  max-width: 56ch;
}

.page-contact .contact-brief__note a {
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-brief__note a:hover,
.page-contact .contact-brief__note a:focus-visible {
  color: var(--violet);
  border-bottom-color: var(--violet);
}

.page-contact .contact-brief__fig {
  margin: 0;
  align-self: center;
}

.page-contact .contact-brief__fig img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  box-shadow: 0 0 0 1px rgba(232, 178, 58, .18);
}

/* ---------- 备案行 ---------- */

.page-contact .contact-reg {
  border-top: 1px solid var(--line);
  padding: clamp(1.5rem, 4vw, 2.25rem) 0 clamp(2.5rem, 6vw, 3.5rem);
}

.page-contact .contact-reg__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .6rem 1rem;
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--mist);
}

.page-contact .contact-reg__tag {
  border: 1px solid var(--line);
  padding: .35em .7em;
  color: var(--mist);
}

.page-contact .contact-reg__val {
  font-family: var(--font-num);
  font-weight: 600;
  letter-spacing: .1em;
  color: var(--paper);
}

.page-contact .contact-reg__sep {
  width: 28px;
  height: 1px;
  background: var(--gold);
}

.page-contact .contact-reg__hint {
  letter-spacing: .04em;
}

/* ---------- 断点 ---------- */

@media (min-width: 760px) {
  .page-contact .route-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1.15rem;
    align-items: start;
  }

  .page-contact .route-card:nth-child(2) {
    transform: translateY(-12px);
  }

  .page-contact .checklist {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__figwrap {
    margin-top: 0;
    transform: translateY(-1.5rem);
  }

  .page-contact .contact-route__head {
    display: grid;
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: clamp(2rem, 5vw, 4rem);
    align-items: end;
  }

  .page-contact .contact-route__intro {
    margin-top: 0;
  }

  .page-contact .line {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: clamp(2rem, 5vw, 4rem);
    align-items: center;
  }

  .page-contact .line__side {
    border-left: 1px solid var(--line);
    padding-left: clamp(1.25rem, 3vw, 2.25rem);
  }

  .page-contact .contact-brief__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: clamp(2.5rem, 6vw, 5rem);
    align-items: center;
  }
}

@media (min-width: 1180px) {
  .page-contact .contact-hero__deco {
    right: -14%;
  }

  .page-contact .route-list {
    gap: 1.4rem;
  }

  .page-contact .route-card {
    padding: 1.6rem 1.4rem 1.75rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .route-card:nth-child(2),
  .page-contact .contact-hero__figwrap {
    transform: none;
  }
}