.page-contact {
  display: block;
  padding-bottom: 0;
}

/* ---------- 面包屑 ---------- */
.page-contact .crumbs {
  padding-top: 22px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--muted);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
}
.page-contact .crumbs a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}
.page-contact .crumbs a:hover,
.page-contact .crumbs a:focus-visible {
  color: var(--ice);
  border-bottom-color: var(--ice);
}
.page-contact .crumbs__sep {
  margin: 0 10px;
  color: var(--edge);
}
.page-contact .crumbs [aria-current="page"] {
  color: var(--ink);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-top: 18px;
  padding-bottom: 44px;
  border-bottom: 2px solid var(--edge);
}
.page-contact .contact-hero__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(44px, 10vw, 92px);
  line-height: .92;
  letter-spacing: -.02em;
  color: var(--ink);
  transform: scaleX(.94);
  transform-origin: left center;
}
.page-contact .contact-hero__lede {
  margin: 20px 0 0;
  max-width: 38em;
  font-size: 17px;
  line-height: 1.75;
  color: var(--muted);
}

/* 手环条 */
.page-contact .wrist {
  margin-top: 32px;
  display: flex;
  align-items: center;
  gap: 16px 24px;
  flex-wrap: wrap;
  padding: 16px 20px;
  border: 2px dashed var(--edge);
  background:
    linear-gradient(100deg, rgba(30, 90, 168, .28) 0%, rgba(11, 31, 58, 0) 62%),
    var(--night);
}
.page-contact .wrist__dot {
  flex: none;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--pulse);
  box-shadow: 0 0 0 6px rgba(255, 77, 46, .16);
  animation: contact-breathe 1.8s ease-in-out infinite;
}
.page-contact .wrist__facts {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 34px;
}
.page-contact .wrist__facts > div {
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.page-contact .wrist__facts dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--muted);
}
.page-contact .wrist__facts dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--ink);
}

@keyframes contact-breathe {
  0%, 100% { box-shadow: 0 0 0 4px rgba(255, 77, 46, .1); }
  50% { box-shadow: 0 0 0 10px rgba(255, 77, 46, .08); }
}

/* ---------- 三条渠道 ---------- */
.page-contact .contact-channels {
  padding-top: 56px;
}
.page-contact .section-head__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(23px, 3.2vw, 34px);
  line-height: 1.15;
  letter-spacing: -.01em;
  color: var(--ink);
}
.page-contact .contact-channels__more {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--channel);
  text-decoration: none;
  border-bottom: 1px solid var(--edge);
  padding-bottom: 2px;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}
.page-contact .contact-channels__more:hover,
.page-contact .contact-channels__more:focus-visible {
  color: var(--ice);
  border-bottom-color: var(--ice);
}

.page-contact .channels {
  margin-top: 26px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-contact .channel {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px 22px;
  background: var(--tier);
  border: 2px solid var(--edge);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hard-sm);
}
.page-contact .channel--mail {
  background:
    linear-gradient(170deg, rgba(30, 90, 168, .55) 0%, var(--tier) 72%);
  border-color: #3A6BB0;
}
.page-contact .channel--addr {
  background:
    linear-gradient(180deg, var(--night) 0%, rgba(6, 16, 33, .9) 100%);
}
.page-contact .channel__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 21px;
  letter-spacing: -.01em;
  color: var(--ink);
}
.page-contact .channel__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(16px, 2vw, 23px);
  line-height: 1.4;
  letter-spacing: .01em;
  color: var(--ice);
  word-break: break-all;
}
.page-contact .channel--phone .channel__value {
  font-size: clamp(30px, 3.6vw, 42px);
  line-height: 1.1;
  color: var(--pulse);
  word-break: normal;
  letter-spacing: .02em;
}
.page-contact .channel__value--addr {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink);
  word-break: normal;
  letter-spacing: 0;
}
.page-contact .channel__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}
.page-contact .channel__foot {
  margin: auto 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--edge);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
}
.page-contact .channel__media {
  margin-top: 4px;
  border: 2px solid var(--edge);
  overflow: hidden;
  line-height: 0;
}
.page-contact .channel__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: 148px;
  object-fit: cover;
  filter: saturate(.82) brightness(.82);
}

/* ---------- 对号入座 ---------- */
.page-contact .contact-match {
  margin-top: 44px;
  padding-top: 26px;
  border-top: 2px solid var(--edge);
}
.page-contact .contact-match__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 19px;
  color: var(--ink);
}
.page-contact .contact-match__list {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}
.page-contact .contact-match__list li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px 20px;
  padding: 12px 16px;
  background: rgba(18, 46, 82, .55);
  border-left: 4px solid var(--channel);
}
.page-contact .contact-match__q {
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
}
.page-contact .contact-match__a {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 在线工单带 ---------- */
.page-contact .contact-desk {
  margin-top: 56px;
  display: grid;
  grid-template-columns: 1fr;
  border: 2px solid var(--pulse);
  background: var(--night);
  box-shadow: var(--shadow-hard);
  border-radius: var(--radius);
  overflow: hidden;
}
.page-contact .contact-desk__body {
  padding: 28px 24px 30px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.page-contact .contact-desk__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 3.4vw, 36px);
  line-height: 1.08;
  letter-spacing: -.01em;
  color: var(--ink);
}
.page-contact .contact-desk__text {
  margin: 0;
  max-width: 36em;
  font-size: 16px;
  line-height: 1.75;
  color: var(--muted);
}
.page-contact .contact-desk__text a {
  color: var(--ice);
  text-decoration: none;
  border-bottom: 1px solid rgba(111, 255, 233, .45);
}
.page-contact .contact-desk__text a:hover,
.page-contact .contact-desk__text a:focus-visible {
  border-bottom-color: var(--ice);
}
.page-contact .contact-desk__media {
  margin: 0;
  border-top: 2px solid var(--pulse);
  line-height: 0;
  position: relative;
}
.page-contact .contact-desk__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11, 31, 58, .55) 0%, rgba(11, 31, 58, 0) 55%);
  pointer-events: none;
}
.page-contact .contact-desk__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: 100%;
  min-height: 210px;
  object-fit: cover;
}

/* ---------- 合作通道 ---------- */
.page-contact .contact-collab {
  margin-top: 56px;
}
.page-contact .contact-collab__head {
  border-bottom: 2px solid var(--edge);
  padding-bottom: 14px;
}
.page-contact .contact-collab__title {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 3vw, 32px);
  line-height: 1.15;
  letter-spacing: -.01em;
  color: var(--ink);
  max-width: 20em;
}
.page-contact .contact-collab__grid {
  margin-top: 22px;
  display: grid;
  gap: 18px;
}
.page-contact .contact-collab__grid p {
  margin: 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--muted);
}
.page-contact .contact-collab__lead {
  color: var(--ink) !important;
  border-left: 4px solid var(--ice);
  padding-left: 16px;
}
.page-contact .contact-collab__grid a {
  color: var(--ice);
  text-decoration: none;
  border-bottom: 1px solid rgba(111, 255, 233, .45);
}
.page-contact .contact-collab__grid a:hover,
.page-contact .contact-collab__grid a:focus-visible {
  border-bottom-color: var(--ice);
}

/* ---------- 备案细条 ---------- */
.page-contact .contact-filing {
  margin-top: 60px;
  padding-top: 22px;
  padding-bottom: 46px;
  border-top: 2px solid var(--edge);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 28px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
}
.page-contact .contact-filing__brand {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
}
.page-contact .contact-filing__icp {
  margin: 0;
}
.page-contact .contact-filing__links {
  margin: 0;
  display: flex;
  gap: 20px;
}
.page-contact .contact-filing__links a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid var(--edge);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}
.page-contact .contact-filing__links a:hover,
.page-contact .contact-filing__links a:focus-visible {
  color: var(--ice);
  border-bottom-color: var(--ice);
}

/* ---------- 窄屏微调 ---------- */
@media (max-width: 599px) {
  .page-contact .contact-hero__title {
    transform: none;
  }
  .page-contact .channel {
    padding: 20px 16px;
  }
  .page-contact .contact-match__list li {
    padding: 11px 12px;
  }
  .page-contact .contact-desk__body {
    padding: 22px 18px 24px;
  }
  .page-contact .contact-collab__lead {
    padding-left: 12px;
  }
}

/* ---------- 中等屏：渠道错落 ---------- */
@media (min-width: 640px) {
  .page-contact .contact-match__list li {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.45fr);
    align-items: baseline;
  }
  .page-contact .contact-collab__grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    gap: 22px 38px;
  }
  .page-contact .contact-collab__lead {
    grid-row: 1 / 3;
  }
}

/* ---------- 桌面：看台阶梯 ---------- */
@media (min-width: 900px) {
  .page-contact .channels {
    grid-template-columns: 5fr 3fr 4fr;
    gap: 22px;
    align-items: start;
  }
  .page-contact .channel--phone {
    transform: translateY(18px);
  }
  .page-contact .channel--addr {
    transform: translateY(-14px);
  }
  .page-contact .channel--mail .channel__text {
    max-width: 30em;
  }
  .page-contact .contact-desk {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  }
  .page-contact .contact-desk__body {
    padding: 40px 38px 42px;
  }
  .page-contact .contact-desk__media {
    border-top: 0;
    border-left: 2px solid var(--pulse);
  }
  .page-contact .contact-filing {
    padding-bottom: 58px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .wrist__dot {
    animation: none;
  }
  .page-contact .channel--phone,
  .page-contact .channel--addr {
    transform: none;
  }
}
</main>