/* ========== 天博联系页 · 页面专属样式 ========== */
.page-contact {
  --contact-muted: var(--tb-muted);
  --contact-line: rgba(255, 255, 255, 0.1);
  --contact-inline-link: var(--tb-accent-green);
  background: var(--tb-primary);
  color: var(--tb-white);
  overflow-x: hidden;
}

/* ---------- 首屏：主视觉 + 天际线 ---------- */
.contact-hero {
  position: relative;
  padding: 2rem 0 0;
}
.contact-hero__skyline {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}
.contact-hero__skyline svg {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 68%;
}
.contact-hero .tb-container {
  position: relative;
  z-index: 1;
}
.contact-hero__body {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  margin-top: 3rem;
}
.contact-hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.5rem 1.1rem;
  border-radius: var(--tb-radius-pill);
  background: rgba(57, 255, 20, 0.08);
  border: 1px solid rgba(57, 255, 20, 0.35);
  color: var(--tb-accent-green);
  font-family: var(--tb-font-data);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  margin-bottom: 1.3rem;
  white-space: nowrap;
}
.contact-hero__kicker::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--tb-accent-green);
  box-shadow: 0 0 0 4px rgba(57, 255, 20, 0.15);
}
.contact-hero__title {
  font-family: var(--tb-font-head);
  font-size: clamp(2.6rem, 9vw, 4.8rem);
  line-height: 1.03;
  margin: 0 0 1.25rem;
  letter-spacing: -0.02em;
}
.contact-hero__lead {
  margin: 0 0 1.5rem;
  color: var(--contact-muted);
  font-size: 1.02rem;
  line-height: 1.8;
  max-width: 42em;
}
.contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 0.4rem;
}
.contact-hero__meta {
  margin: 1.1rem 0 0;
  font-size: 0.9rem;
}
.contact-hero__meta a {
  color: var(--contact-inline-link);
  text-decoration: none;
  border-bottom: 1px solid rgba(57, 255, 20, 0.35);
  transition: border-color 0.3s var(--tb-ease);
}
.contact-hero__meta a:hover {
  border-bottom-color: var(--tb-accent-green);
}
.contact-hero__media {
  border-radius: var(--tb-radius-lg);
  overflow: hidden;
  border: 1px solid var(--tb-border-strong);
  box-shadow: var(--tb-shadow);
}
.contact-hero__strip {
  margin-top: 3rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.4rem 1rem;
  border-top: 1px solid var(--tb-border);
  border-bottom: 1px solid var(--tb-border);
  padding: 1.5rem 0;
}
.contact-hero__strip-item {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.contact-hero__strip-item:nth-child(3) {
  grid-column: 1 / -1;
}
.contact-hero__strip-num {
  font-family: var(--tb-font-data);
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-weight: 600;
  line-height: 1;
  color: var(--tb-accent-green);
}
.contact-hero__strip-item:nth-child(2) .contact-hero__strip-num {
  color: var(--tb-accent);
}
.contact-hero__strip-unit {
  font-size: 0.82rem;
  color: var(--contact-muted);
  letter-spacing: 0.04em;
}

/* ---------- 01 联系方式 ---------- */
.contact-channels {
  padding: 5.5rem 0 2rem;
}
.contact-channels__head {
  max-width: 44rem;
  margin: 1.8rem 0 3rem;
}
.contact-channels__title {
  font-family: var(--tb-font-head);
  font-size: clamp(1.9rem, 4.5vw, 3rem);
  line-height: 1.15;
  margin: 0 0 1rem;
}
.contact-channels__desc {
  color: var(--contact-muted);
  font-size: 1rem;
  line-height: 1.75;
  margin: 0;
}
.contact-channels__grid {
  display: grid;
  gap: 1.25rem;
}
.contact-channel {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 250px;
  padding: 1.6rem;
  background: var(--tb-cream);
  color: var(--tb-primary);
  border-radius: var(--tb-radius-lg);
  text-decoration: none;
  overflow: hidden;
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.18);
  transition: transform 0.35s var(--tb-ease), box-shadow 0.35s var(--tb-ease);
}
.contact-channel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--tb-accent), var(--tb-accent-green));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.45s var(--tb-ease);
}
.contact-channel:hover::before {
  transform: scaleX(1);
}
.contact-channel:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.28);
}
.contact-channel__index {
  position: absolute;
  top: 1.3rem;
  right: 1.3rem;
  font-family: var(--tb-font-data);
  font-size: 0.85rem;
  color: rgba(10, 31, 68, 0.45);
}
.contact-channel__label {
  font-family: var(--tb-font-data);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(10, 31, 68, 0.65);
  margin-bottom: 0.4rem;
}
.contact-channel__value {
  font-family: var(--tb-font-data);
  font-size: clamp(1.2rem, 3vw, 1.7rem);
  font-weight: 600;
  line-height: 1.35;
  margin-bottom: 0.7rem;
  word-break: break-word;
}
.contact-channel__hint {
  font-size: 0.9rem;
  line-height: 1.6;
  opacity: 0.7;
}
.contact-channel__arrow {
  margin-top: 1rem;
  font-size: 0.85rem;
  color: var(--tb-accent);
  font-weight: 600;
}
.contact-channel__arrow a {
  color: inherit;
  text-decoration: none;
}
.contact-channel--accent {
  background: var(--tb-accent);
  color: var(--tb-white);
}
.contact-channel--accent .contact-channel__index {
  color: rgba(255, 255, 255, 0.7);
}
.contact-channel--accent .contact-channel__label {
  color: rgba(255, 255, 255, 0.85);
}
.contact-channel--accent .contact-channel__hint {
  color: rgba(255, 255, 255, 0.85);
}
.contact-channel--accent .contact-channel__arrow {
  color: var(--tb-white);
}
.contact-channel--accent::before {
  background: var(--tb-white);
}
.contact-channel--dark {
  background: var(--tb-deep);
  color: var(--tb-white);
  border: 1px solid var(--tb-border-strong);
}
.contact-channel--dark .contact-channel__index {
  color: rgba(255, 255, 255, 0.5);
}
.contact-channel--dark .contact-channel__label {
  color: rgba(255, 255, 255, 0.7);
}
.contact-channel--dark .contact-channel__hint {
  color: rgba(255, 255, 255, 0.7);
}
.contact-channel--dark .contact-channel__arrow {
  color: var(--tb-accent-green);
}
.contact-channel--dark::before {
  background: linear-gradient(90deg, var(--tb-accent-green), var(--tb-accent));
}
.contact-channels__note {
  margin-top: 2.5rem;
  padding: 1rem 1.2rem;
  border-left: 3px solid var(--tb-accent);
  background: rgba(255, 107, 53, 0.08);
  border-radius: 0 var(--tb-radius) var(--tb-radius) 0;
  color: var(--contact-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ---------- 02 联系场景 ---------- */
.contact-scenarios {
  padding: 5.5rem 0;
}
.contact-scenarios__grid {
  display: grid;
  gap: 1.5rem;
  margin-top: 1.8rem;
}
.contact-scenario {
  position: relative;
  border-radius: var(--tb-radius-lg);
  padding: 2.4rem 2rem;
  overflow: hidden;
  box-shadow: var(--tb-shadow);
}
.contact-scenario--support {
  background: var(--tb-cream);
  color: var(--tb-primary);
}
.contact-scenario--biz {
  background: linear-gradient(135deg, #1B3A6B, #0D1B2A);
  color: var(--tb-white);
  border: 1px solid var(--tb-border-strong);
}
.contact-scenario--biz::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(57, 255, 20, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(57, 255, 20, 0.06) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
}
.contact-scenario__header {
  position: relative;
  z-index: 1;
}
.contact-scenario__tag {
  display: inline-block;
  padding: 0.3rem 0.85rem;
  border-radius: var(--tb-radius-pill);
  font-family: var(--tb-font-data);
  font-size: 0.8rem;
  background: rgba(10, 31, 68, 0.08);
  color: var(--tb-primary);
  margin-bottom: 1rem;
}
.contact-scenario--biz .contact-scenario__tag {
  background: rgba(57, 255, 20, 0.12);
  color: var(--tb-accent-green);
}
.contact-scenario h2 {
  font-family: var(--tb-font-head);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  line-height: 1.2;
  margin: 0 0 1.2rem;
}
.contact-scenario p {
  position: relative;
  z-index: 1;
  line-height: 1.8;
  font-size: 0.95rem;
  margin: 0 0 1.3rem;
  opacity: 0.88;
}
.contact-scenario .tb-list {
  position: relative;
  z-index: 1;
  margin: 0 0 1.8rem;
  padding-left: 1.1rem;
}
.contact-scenario .tb-list > li {
  margin-bottom: 0.5rem;
  font-size: 0.92rem;
  line-height: 1.7;
}
.contact-scenario .tb-list > li::marker {
  color: var(--tb-accent);
}
.contact-scenario--biz .tb-list > li::marker {
  color: var(--tb-accent-green);
}
.contact-scenario__actions {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
}
.contact-scenario__help {
  font-size: 0.9rem;
  color: var(--tb-primary);
  opacity: 0.75;
  text-decoration: none;
  border-bottom: 1px solid rgba(10, 31, 68, 0.35);
  transition: opacity 0.3s var(--tb-ease);
}
.contact-scenario__help:hover {
  opacity: 1;
}
.contact-scenario--biz .contact-scenario__help {
  color: var(--tb-white);
  border-bottom-color: rgba(255, 255, 255, 0.4);
}

/* ---------- 03 响应时间 ---------- */
.contact-response {
  background: var(--tb-cream);
  color: var(--tb-primary);
  padding: 5rem 0;
  margin-top: 1rem;
}
.contact-response .tb-handle__num,
.contact-response .tb-handle__label {
  color: var(--tb-primary);
  opacity: 0.9;
}
.contact-response__layout {
  display: grid;
  gap: 2.5rem;
  margin-top: 2.5rem;
}
.contact-response__copy h2 {
  font-family: var(--tb-font-head);
  font-size: clamp(1.9rem, 4.5vw, 3rem);
  line-height: 1.12;
  margin: 0 0 1.2rem;
}
.contact-response__copy p {
  font-size: 1rem;
  line-height: 1.8;
  opacity: 0.85;
  max-width: 42em;
  margin-bottom: 1rem;
}
.contact-response__note {
  font-size: 0.9rem;
  opacity: 0.7;
}
.contact-response__metrics {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
.contact-response__metric {
  background: var(--tb-primary);
  color: var(--tb-white);
  border-radius: var(--tb-radius);
  padding: 1.3rem 1.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}
.contact-response__num {
  font-family: var(--tb-font-data);
  font-size: 2.2rem;
  font-weight: 700;
  line-height: 1;
  color: var(--tb-accent-green);
}
.contact-response__metric:nth-child(2) .contact-response__num {
  color: var(--tb-accent);
}
.contact-response__label {
  font-size: 0.85rem;
  opacity: 0.8;
}
.contact-response__media {
  border-radius: var(--tb-radius-lg);
  overflow: hidden;
  box-shadow: var(--tb-shadow);
  background: var(--tb-deep);
}
.contact-response__media img {
  filter: saturate(0.9) contrast(1.1);
}

/* ---------- 04 验证码与地图 ---------- */
.contact-locate {
  padding: 5.5rem 0 6rem;
}
.contact-locate__body {
  display: grid;
  gap: 1.5rem;
  margin-top: 2.5rem;
}
.contact-locate__map {
  position: relative;
  background: linear-gradient(150deg, rgba(27, 58, 107, 0.75), rgba(13, 27, 42, 0.95));
  border: 1px solid var(--tb-border-strong);
  border-radius: var(--tb-radius-lg);
  overflow: hidden;
  min-height: 360px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  box-shadow: var(--tb-shadow);
}
.contact-locate__svg {
  width: 100%;
  height: auto;
  display: block;
}
.contact-locate__pin {
  position: absolute;
  top: 1.2rem;
  left: 1.2rem;
  background: var(--tb-accent);
  color: var(--tb-white);
  font-family: var(--tb-font-data);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.3rem 0.7rem;
  border-radius: var(--tb-radius-pill);
  box-shadow: 0 8px 24px rgba(255, 107, 53, 0.45);
  letter-spacing: 0.06em;
}
.contact-locate__info {
  background: var(--tb-cream);
  color: var(--tb-primary);
  border-radius: var(--tb-radius-lg);
  padding: 2.2rem 2rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 1rem;
}
.contact-locate__label {
  font-family: var(--tb-font-data);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: rgba(10, 31, 68, 0.6);
  text-transform: uppercase;
}
.contact-locate__address {
  font-family: var(--tb-font-head);
  font-size: clamp(1.5rem, 3.5vw, 2rem);
  line-height: 1.35;
  margin: 0;
}
.contact-locate__desc {
  font-size: 0.95rem;
  line-height: 1.8;
  opacity: 0.8;
  margin: 0;
}
.contact-locate__codes {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: 0.4rem;
}
.contact-locate__codes span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 8px;
  background: rgba(10, 31, 68, 0.07);
  border: 1px solid rgba(10, 31, 68, 0.15);
  font-family: var(--tb-font-data);
  font-size: 0.8rem;
  color: var(--tb-primary);
}

/* ---------- 桌面端大屏布局 ---------- */
@media (min-width: 768px) {
  .contact-hero__strip {
    grid-template-columns: repeat(3, 1fr);
  }
  .contact-hero__strip-item:nth-child(3) {
    grid-column: auto;
  }
  .contact-channels__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .contact-response__layout {
    grid-template-columns: 1fr;
  }
  .contact-response__metrics {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .contact-hero {
    padding: 3.5rem 0 0;
  }
  .contact-hero__body {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: center;
    gap: 4rem;
    margin-top: 5rem;
  }
  .contact-hero__copy {
    padding-left: 1vw;
  }
  .contact-hero__strip {
    margin-top: 4rem;
    padding: 1.6rem 0;
  }
  .contact-channels {
    padding: 6rem 0 2.5rem;
  }
  .contact-channels__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-bottom: 0.5rem;
  }
  .contact-channels__grid > :nth-child(2) {
    transform: translateY(2.25rem);
  }
  .contact-channels__grid > :nth-child(3) {
    transform: translateY(1rem);
  }
  .contact-channels__grid > :nth-child(2):hover {
    transform: translateY(2rem);
  }
  .contact-scenarios__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: stretch;
    gap: 2rem;
  }
  .contact-scenarios__grid > .contact-scenario--biz {
    transform: translateY(2rem);
  }
  .contact-scenario {
    padding: 2.6rem 2.4rem;
  }
  .contact-response {
    padding: 6rem 0;
    margin-top: 1.5rem;
  }
  .contact-response__layout {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.75fr) minmax(0, 0.7fr);
    align-items: center;
    gap: 2rem;
    margin-top: 3rem;
  }
  .contact-response__metrics {
    grid-template-columns: 1fr;
  }
  .contact-locate {
    padding: 6rem 0 8rem;
  }
  .contact-locate__body {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 2rem;
    margin-top: 3rem;
  }
  .contact-locate__map {
    min-height: 420px;
  }
  .contact-locate__info {
    padding: 2.6rem 2.4rem;
  }
}