.page-contact {
  --pc-day: var(--moss);
  --pc-night: var(--clay);
  --pc-rule: rgba(20, 24, 27, .16);
  --pc-rule-inv: rgba(243, 238, 228, .22);
  --pc-shell: var(--bone);
  background: var(--pc-shell);
  color: var(--char);
  overflow-x: hidden;
}

/* ---------- 面包屑 ---------- */
.page-contact .page-contact__crumbs {
  background: var(--bone);
  padding-top: clamp(16px, 2.4vw, 26px);
}

.page-contact .breadcrumbs__current {
  color: var(--rock);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  background: var(--deep);
  color: var(--bone);
  padding: clamp(48px, 8vw, 108px) 0 clamp(72px, 11vw, 148px);
}

.page-contact .contact-hero__inner {
  position: relative;
  z-index: 2;
  max-width: 860px;
}

.page-contact .contact-hero__eyebrow {
  color: var(--bone);
  opacity: .78;
  letter-spacing: .16em;
}

.page-contact .contact-hero__title {
  margin: clamp(14px, 2vw, 22px) 0 0;
  color: var(--bone);
  font-family: var(--font-display);
  font-size: clamp(40px, 7.4vw, 88px);
  line-height: 1.04;
  letter-spacing: -.02em;
}

.page-contact .contact-hero__lead {
  margin: clamp(20px, 2.6vw, 30px) 0 0;
  max-width: 660px;
  color: rgba(243, 238, 228, .9);
  font-size: clamp(16px, 1.9vw, 19px);
  line-height: 1.8;
}

.page-contact .contact-hero__shape {
  position: absolute;
  right: -14%;
  top: 8%;
  width: 56%;
  height: 84%;
  background: rgba(78, 107, 76, .5);
  transform: rotate(-13deg);
  pointer-events: none;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: clamp(34px, 6vw, 84px);
  background: var(--bone);
  clip-path: polygon(0 100%, 100% 0, 100% 100%);
  z-index: 3;
  pointer-events: none;
}

/* ---------- 联系方式 ---------- */
.page-contact .duty {
  background: var(--bone);
  padding: clamp(44px, 6.4vw, 96px) 0 clamp(40px, 5.6vw, 80px);
}

.page-contact .duty__head {
  margin-bottom: clamp(26px, 3.6vw, 48px);
}

.page-contact .duty__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 4.4vw, 56px);
}

.page-contact .duty__rail-cap {
  margin: 0 0 18px;
  font-family: var(--font-data);
  font-size: 13px;
  letter-spacing: .2em;
  color: var(--rock);
  text-transform: uppercase;
}

.page-contact .timeline {
  list-style: none;
  margin: 0;
  padding: 0 0 0 26px;
  border-left: 2px solid var(--pc-rule);
}

.page-contact .timeline__row {
  position: relative;
  display: grid;
  gap: 4px;
  padding: 0 0 24px;
}

.page-contact .timeline__row:last-child {
  padding-bottom: 0;
}

.page-contact .timeline__row::before {
  content: "";
  position: absolute;
  left: -32px;
  top: 4px;
  width: 12px;
  height: 12px;
  background: var(--bone);
  border: 2px solid var(--rock);
}

.page-contact .timeline__row--day::before {
  background: var(--pc-day);
  border-color: var(--pc-day);
}

.page-contact .timeline__row--night::before {
  background: var(--pc-night);
  border-color: var(--pc-night);
}

.page-contact .timeline__t {
  font-size: 17px;
  color: var(--char);
}

.page-contact .timeline__txt {
  font-size: 15px;
  line-height: 1.7;
  color: var(--char-soft);
}

.page-contact .duty__rail-note {
  margin: 22px 0 0;
  color: var(--rock);
  line-height: 1.75;
}

.page-contact .duty__cards {
  display: grid;
  gap: clamp(16px, 2.2vw, 24px);
}

.page-contact .channel {
  position: relative;
  padding: clamp(22px, 3vw, 34px);
  border-left: 4px solid var(--pc-day);
  background: var(--bone-dim);
}

.page-contact .channel__label {
  margin: 0;
  font-size: 13px;
  letter-spacing: .18em;
  color: var(--rock);
}

.page-contact .channel__value {
  display: block;
  margin: 12px 0 0;
  font-family: var(--font-data);
  font-size: clamp(20px, 3.4vw, 30px);
  line-height: 1.3;
  letter-spacing: .01em;
  word-break: break-word;
}

.page-contact .channel__value--mail {
  word-break: break-all;
}

.page-contact .channel__value--tel,
.page-contact .channel__value--addr {
  font-size: clamp(26px, 4.6vw, 42px);
}

.page-contact .channel__desc {
  margin: 16px 0 0;
  max-width: 620px;
  font-size: 15px;
  line-height: 1.75;
}

.page-contact .channel--phone {
  background: var(--char);
  color: var(--bone);
  border-left-color: var(--clay);
}

.page-contact .channel--phone .channel__label {
  color: rgba(243, 238, 228, .68);
}

.page-contact .channel--phone .channel__desc {
  color: rgba(243, 238, 228, .84);
}

.page-contact .channel--addr {
  background: var(--deep);
  color: var(--bone);
  border-left-color: var(--yellow);
}

.page-contact .channel--addr .channel__label {
  color: rgba(243, 238, 228, .68);
}

.page-contact .channel--addr .channel__desc {
  color: rgba(243, 238, 228, .84);
}

.page-contact .duty__figure {
  margin: clamp(34px, 4.6vw, 60px) 0 0;
}

.page-contact .duty__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  background: var(--bone-dim);
}

.page-contact .duty__figure .media__caption {
  margin-top: 12px;
  font-size: 13px;
  color: var(--rock);
}

/* ---------- 可以聊什么 ---------- */
.page-contact .topics {
  background: var(--moss);
  color: var(--bone);
  padding: clamp(46px, 6.4vw, 100px) 0;
}

.page-contact .topics .t-eyebrow,
.page-contact .topics .t-h2,
.page-contact .topics .section-head__lead {
  color: var(--bone);
}

.page-contact .topics .section-head__lead {
  opacity: .86;
}

.page-contact .topic-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: clamp(22px, 3vw, 34px);
}

.page-contact .topic-tab {
  display: inline-block;
  padding: 9px 18px;
  border: 1px solid rgba(243, 238, 228, .44);
  color: var(--bone);
  font-size: 14px;
  text-decoration: none;
  transition: background-color 180ms var(--ease), color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-contact .topic-tab:hover,
.page-contact .topic-tab:focus-visible {
  background: var(--bone);
  border-color: var(--bone);
  color: var(--deep);
}

.page-contact .topic-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 48px);
  margin-top: clamp(30px, 4vw, 48px);
}

.page-contact .topic {
  border-top: 2px solid var(--clay);
  padding-top: 20px;
}

.page-contact .topic__num {
  margin: 0;
  font-size: 13px;
  letter-spacing: .18em;
  color: var(--yellow);
}

.page-contact .topic__title {
  margin: 10px 0 0;
  color: var(--bone);
}

.page-contact .topic__body {
  margin: 14px 0 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: rgba(243, 238, 228, .9);
}

.page-contact .topic__hint {
  margin: 16px 0 0;
  padding-left: 14px;
  border-left: 2px solid rgba(243, 238, 228, .4);
  font-size: 14px;
  line-height: 1.7;
  color: rgba(243, 238, 228, .74);
}

/* ---------- 来信时带上这些 ---------- */
.page-contact .brief {
  background: var(--char);
  color: var(--bone);
  padding: clamp(46px, 6.4vw, 104px) 0;
}

.page-contact .brief__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(32px, 4.6vw, 60px);
}

.page-contact .brief .t-eyebrow,
.page-contact .brief .t-h2,
.page-contact .brief .t-h3 {
  color: var(--bone);
}

.page-contact .brief .t-eyebrow {
  opacity: .7;
}

.page-contact .brief__lead {
  margin-top: 18px;
  max-width: 620px;
  color: rgba(243, 238, 228, .84);
}

.page-contact .brief__list {
  list-style: none;
  margin: clamp(26px, 3.4vw, 40px) 0 0;
  padding: 0;
}

.page-contact .brief__item {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 16px;
  padding: 20px 0;
  border-top: 1px solid var(--pc-rule-inv);
}

.page-contact .brief__num {
  font-size: 15px;
  color: var(--clay);
  padding-top: 3px;
}

.page-contact .brief__body .t-h3 {
  margin: 0;
}

.page-contact .brief__body p {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(243, 238, 228, .82);
}

.page-contact .brief__tail {
  margin: clamp(26px, 3.4vw, 38px) 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(243, 238, 228, .78);
}

.page-contact .brief__tail .link-underline {
  color: var(--bone);
}

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

.page-contact .brief__figure img {
  display: block;
  width: 100%;
  max-width: 520px;
  height: auto;
  object-fit: cover;
  background: var(--deep);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-contact .brief__item {
    grid-template-columns: 56px minmax(0, 1fr);
    gap: 22px;
  }
}

@media (min-width: 900px) {
  .page-contact .duty__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    gap: clamp(36px, 5vw, 88px);
    align-items: start;
  }

  .page-contact .topic-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .brief__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: clamp(40px, 5.4vw, 84px);
    align-items: start;
  }

  .page-contact .brief__figure {
    justify-self: end;
  }
}

@media (min-width: 1180px) {
  .page-contact .contact-hero__inner {
    max-width: 900px;
  }
}

@media (max-width: 520px) {
  .page-contact .contact-hero__shape {
    right: -30%;
    width: 76%;
    opacity: .72;
  }

  .page-contact .timeline {
    padding-left: 20px;
  }

  .page-contact .timeline__row::before {
    left: -26px;
  }

  .page-contact .channel__value--mail {
    font-size: 17px;
  }
}

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