/* ===== 联系我们 · 页面专属样式（作用域 .page-contact） ===== */
.page-contact {
  --contact-line: rgba(169, 194, 217, .26);
  --contact-line-strong: rgba(169, 194, 217, .46);
  --contact-grid-line: rgba(169, 194, 217, .13);
  --contact-rule-ink: rgba(14, 26, 43, .18);
  --contact-ink-soft: rgba(14, 26, 43, .7);
  --contact-gap: clamp(18px, 2vw, 26px);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding: clamp(96px, 13vh, 152px) 0 clamp(56px, 8vh, 90px);
}

.page-contact .contact-hero .crumbs {
  margin-bottom: clamp(24px, 3vw, 40px);
}

.page-contact .contact-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 36px;
}

.page-contact .contact-hero__title {
  margin: 16px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(40px, 8vw, 94px);
  line-height: 1.02;
  letter-spacing: -.025em;
  color: var(--ivory);
}

.page-contact .contact-hero__text {
  margin: 22px 0 0;
  max-width: 36em;
  font-size: clamp(16px, 1.35vw, 19px);
  line-height: 1.95;
  color: var(--mist);
}

.page-contact .contact-hero__aside {
  align-self: end;
}

/* ---------- 渠道面板 ---------- */
.page-contact .contact-channels {
  padding: clamp(72px, 10vh, 122px) 0;
}

.page-contact .contact-channels__head {
  max-width: 34em;
}

.page-contact .contact-channels__lead {
  margin-top: 18px;
}

.page-contact .contact-channels__grid {
  margin-top: clamp(36px, 5vw, 62px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--contact-gap);
  align-items: start;
}

.page-contact .channel {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: clamp(24px, 2.6vw, 34px) clamp(20px, 2.4vw, 32px) clamp(26px, 2.8vw, 38px);
  border: 1px solid var(--contact-line);
  background-image: linear-gradient(168deg, rgba(14, 26, 43, .74), rgba(14, 26, 43, .3));
  transition: border-color var(--dur) var(--ease);
}

.page-contact .channel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 56px;
  height: 2px;
  background: var(--channel-accent, var(--mist));
}

.page-contact .channel:hover,
.page-contact .channel:focus-within {
  border-color: var(--ember);
}

.page-contact .channel--mail { --channel-accent: var(--ember); }
.page-contact .channel--phone { --channel-accent: var(--gold); }
.page-contact .channel--note { --channel-accent: var(--celadon); }

.page-contact .channel__kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--channel-accent, var(--mist));
}

.page-contact .channel__title {
  margin: 0;
  font-size: clamp(20px, 1.8vw, 24px);
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--ivory);
}

.page-contact .channel__value {
  margin: 0;
  padding: 14px 0;
  border-top: 1px solid var(--contact-line);
  border-bottom: 1px solid var(--contact-line);
  font-family: var(--font-mono);
  font-size: clamp(15.5px, 1.45vw, 20px);
  line-height: 1.5;
  letter-spacing: .03em;
  color: var(--ivory);
  overflow-wrap: anywhere;
}

.page-contact .channel__desc {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--mist);
}

.page-contact .channel__meta {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--mist);
}

.page-contact .contact-channels__jump {
  align-self: flex-start;
  margin-top: 4px;
}

.page-contact .contact-channels__aside {
  margin-top: clamp(44px, 5vw, 76px);
  padding-top: clamp(32px, 4vw, 50px);
  border-top: 1px solid var(--contact-line);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  align-items: center;
}

.page-contact .contact-channels__figure {
  margin: 0;
}

.page-contact .contact-channels__figure img,
.page-contact .contact-locality__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .contact-channels__text {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.95;
  color: var(--mist);
  max-width: 40em;
}

/* ---------- 留言清单（浅色区） ---------- */
.page-contact .contact-message {
  padding: clamp(72px, 10vh, 124px) 0;
}

.page-contact .contact-message__head {
  max-width: 34em;
}

.page-contact .contact-message__lead {
  margin-top: 18px;
  color: var(--contact-ink-soft);
}

.page-contact .contact-message__list {
  margin: clamp(32px, 4vw, 54px) 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--contact-rule-ink);
}

.page-contact .contact-message__item {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 8px 16px;
  padding: 24px 0;
  border-bottom: 1px solid var(--contact-rule-ink);
}

.page-contact .contact-message__no {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--ember);
  padding-top: 4px;
}

.page-contact .contact-message__label {
  display: block;
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-contact .contact-message__text {
  display: block;
  margin-top: 6px;
  font-size: 16px;
  line-height: 1.9;
  color: var(--contact-ink-soft);
}

.page-contact .contact-message__foot {
  margin-top: clamp(28px, 3.5vw, 46px);
}

.page-contact .contact-message__note {
  margin: 0;
  max-width: 42em;
  font-size: 16px;
  line-height: 1.95;
  color: var(--ink);
}

.page-contact .contact-message__note strong {
  font-family: var(--font-mono);
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--ember);
  overflow-wrap: anywhere;
}

/* ---------- 四类分派 ----------------- */
.page-contact .contact-routing {
  padding: clamp(72px, 10vh, 124px) 0;
}

.page-contact .contact-routing__head {
  max-width: 34em;
}

.page-contact .contact-routing__lead {
  margin-top: 18px;
}

.page-contact .contact-routing__list {
  margin-top: clamp(32px, 4vw, 56px);
}

.page-contact .contact-routing__list .expand {
  position: relative;
  border-top: 1px solid var(--contact-line);
}

.page-contact .contact-routing__list .expand:last-child {
  border-bottom: 1px solid var(--contact-line);
}

.page-contact .contact-routing__list .expand::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 48px;
  height: 2px;
  background: var(--routing-accent, var(--mist));
}

.page-contact .routing--entry { --routing-accent: var(--ember); }
.page-contact .routing--version { --routing-accent: var(--celadon); }
.page-contact .routing--account { --routing-accent: var(--gold); }
.page-contact .routing--partner { --routing-accent: var(--mist); }

.page-contact .contact-routing__list .expand__body p {
  margin: 0 0 1.1em;
  max-width: 46em;
  font-size: 16px;
  line-height: 1.95;
  color: var(--mist);
}

.page-contact .contact-routing__list .expand__body p:last-child {
  margin-bottom: 0;
}

.page-contact .contact-routing__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
}

.page-contact .contact-routing__link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: 15px;
  letter-spacing: .02em;
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid var(--line-gold);
}

.page-contact .contact-routing__link:hover,
.page-contact .contact-routing__link:focus-visible {
  color: var(--ember);
  border-bottom-color: var(--ember);
}

/* ---------- 到访与邮寄 ---------- */
.page-contact .contact-visit {
  padding: clamp(72px, 10vh, 118px) 0;
}

.page-contact .contact-visit__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
}

.page-contact .contact-visit__lead {
  margin-top: 18px;
}

.page-contact .contact-visit__text {
  margin: 18px 0 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.95;
  color: var(--mist);
}

.page-contact .visit-list {
  border-top: 1px solid var(--contact-line);
}

.page-contact .visit-list__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 18px 0;
  border-bottom: 1px solid var(--contact-line);
}

.page-contact .visit-list__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--gold);
}

.page-contact .visit-list__value {
  font-size: 16px;
  line-height: 1.8;
  color: var(--ivory);
}

.page-contact .visit-list__value--mono {
  font-family: var(--font-mono);
  letter-spacing: .04em;
  overflow-wrap: anywhere;
}

/* ---------- 属地与备案 ---------- */
.page-contact .contact-locality {
  padding: clamp(64px, 9vh, 110px) 0;
  background-image:
    repeating-linear-gradient(0deg, var(--contact-grid-line) 0 1px, transparent 1px 56px),
    repeating-linear-gradient(90deg, var(--contact-grid-line) 0 1px, transparent 1px 56px);
}

.page-contact .contact-locality__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  align-items: center;
}

.page-contact .contact-locality__text {
  margin: 18px 0 24px;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.95;
  color: var(--mist);
}

.page-contact .locality-rows {
  border-top: 1px solid var(--contact-line);
}

.page-contact .locality-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 20px;
  padding: 14px 0;
  border-bottom: 1px solid var(--contact-line);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
}

.page-contact .locality-row__key {
  color: var(--mist);
}

.page-contact .locality-row__val {
  color: var(--ivory);
}

.page-contact .locality-row--icp .locality-row__val {
  color: var(--gold);
}

.page-contact .contact-locality__figure {
  margin: 0;
}

/* ---------- 断点 ---------- */
@media (min-width: 620px) {
  .page-contact .visit-list__row {
    grid-template-columns: 8.5em minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }
}

@media (min-width: 760px) {
  .page-contact .contact-channels__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .contact-message__item {
    grid-template-columns: 64px minmax(0, 13em) minmax(0, 1fr);
    gap: 6px 26px;
    align-items: baseline;
  }

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

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 24px;
    align-items: end;
  }

  .page-contact .contact-hero__lead {
    grid-column: 1 / span 7;
  }

  .page-contact .contact-hero__aside {
    grid-column: 9 / span 4;
  }

  .page-contact .contact-channels__aside {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    gap: clamp(32px, 4vw, 56px);
  }

  .page-contact .contact-visit__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    gap: clamp(40px, 5vw, 72px);
    align-items: start;
  }

  .page-contact .contact-locality__grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 24px;
  }

  .page-contact .contact-locality__info {
    grid-column: 1 / span 6;
  }

  .page-contact .contact-locality__figure {
    grid-column: 8 / span 5;
  }
}

@media (min-width: 1080px) {
  .page-contact .channel--mail {
    min-height: 428px;
  }

  .page-contact .channel--phone {
    min-height: 356px;
  }

  .page-contact .channel--note {
    min-height: 306px;
  }
}

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