.page-contact {
  overflow-x: hidden;
}

.page-contact .breadcrumb {
  padding: 18px 0 8px;
  border-bottom: 1px solid var(--c-line);
  margin-bottom: 0;
}

/* Hero */
.page-contact__hero {
  position: relative;
  padding: 40px 0 56px;
  overflow: hidden;
}

.page-contact__hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: -15%;
  width: 50%;
  height: 100%;
  background: linear-gradient(135deg, rgba(138, 43, 226, 0.35) 0%, rgba(183, 255, 0, 0.05) 100%);
  clip-path: polygon(100% 0, 100% 100%, 18% 100%);
  pointer-events: none;
  z-index: 0;
}

.page-contact__hero-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  position: relative;
  z-index: 1;
}

.page-contact__hero-copy {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-contact__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.4rem, 6vw, 4.4rem);
  line-height: 1.02;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  margin: 0;
}

.page-contact__hero-lead {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.75;
  color: var(--c-muted);
  max-width: 38em;
  margin: 0;
}

.page-contact__hero-media {
  margin: 0;
  border: 1px solid var(--c-line);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
}

/* 01 反馈入口 */
.page-contact__feedback {
  padding: 56px 0;
  background: var(--c-bg-alt);
  border-top: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
}

.page-contact__feedback-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: center;
}

.page-contact__feedback-mark {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 180px;
  background: linear-gradient(160deg, rgba(183, 255, 0, 0.06) 0%, rgba(138, 43, 226, 0.12) 100%);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  padding: 24px;
}

.page-contact__feedback-mark svg {
  width: 100%;
  max-width: 340px;
  height: auto;
}

.page-contact__feedback-copy h2,
.page-contact__section-head h2,
.page-contact__timing-head h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  margin: 0 0 12px;
  letter-spacing: -0.02em;
  text-transform: uppercase;
}

.page-contact__feedback-copy > p:not(.kicker),
.page-contact__section-head > p:last-child,
.page-contact__timing-note {
  font-family: var(--font-body);
  color: var(--c-muted);
  line-height: 1.75;
  max-width: 58em;
}

.page-contact__steps {
  margin: 20px 0 24px;
  padding: 0;
  list-style: none;
  counter-reset: step;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-contact__steps li {
  counter-increment: step;
  position: relative;
  padding-left: 40px;
  font-family: var(--font-body);
  color: var(--c-text);
  line-height: 1.6;
}

.page-contact__steps li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--c-acid);
  color: var(--c-acid);
  font-family: var(--font-body);
  font-size: 0.72rem;
  border-radius: var(--radius);
}

.page-contact__strong {
  color: var(--c-acid);
  font-weight: 700;
}

/* 02 联系方式 */
.page-contact__channels {
  padding: 56px 0;
}

.page-contact__section-head {
  max-width: 640px;
  margin-bottom: 32px;
}

.page-contact__cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-contact__card {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: var(--c-bg-alt);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  height: 100%;
}

.page-contact__card:hover {
  border-color: rgba(183, 255, 0, 0.4);
  box-shadow: 0 0 0 1px rgba(183, 255, 0, 0.2), 0 8px 24px rgba(0, 0, 0, 0.2);
}

.page-contact__card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2px;
}

.page-contact__card-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.02rem;
  margin: 0;
  word-break: break-word;
  color: var(--c-text);
}

.page-contact__card p:not(.data-label) {
  font-family: var(--font-body);
  font-size: 0.88rem;
  color: var(--c-muted);
  line-height: 1.65;
  margin: 0;
  flex-grow: 1;
}

.page-contact__card .btn {
  align-self: flex-start;
  margin-top: 6px;
}

.page-contact__map {
  margin-top: 12px;
  border: 1px solid var(--c-line);
}

/* 03 处理时效 */
.page-contact__timing {
  padding: 56px 0;
}

.page-contact__timing-head {
  margin-bottom: 36px;
}

.page-contact__timeline {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 0 0 28px;
}

.page-contact__timeline-node {
  display: flex;
  align-items: center;
  gap: 14px;
}

.page-contact__timeline-node .num {
  color: var(--c-acid);
  font-family: var(--font-body);
  font-size: 0.85rem;
  border: 1px solid rgba(183, 255, 0, 0.3);
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  flex-shrink: 0;
}

.page-contact__timeline-node p {
  margin: 0;
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--c-text);
}

.page-contact__timeline-line {
  height: 22px;
  width: 2px;
  margin-left: 16px;
  background: rgba(183, 255, 0, 0.3);
  position: relative;
  overflow: hidden;
}

.page-contact__timeline-line span {
  display: block;
  width: 100%;
  height: 100%;
  background: var(--c-acid);
  animation: pc-flow 1.8s ease-in-out infinite;
  transform-origin: top;
}

.page-contact__timing-note {
  margin: 8px 0 0;
}

.page-contact__timing-note a {
  color: var(--c-acid);
  text-decoration: underline;
  text-underline-offset: 4px;
}

@keyframes pc-flow {
  0% {
    transform: scaleY(0.1);
    opacity: 0.4;
  }
  50% {
    transform: scaleY(1);
    opacity: 1;
  }
  100% {
    transform: scaleY(0.1);
    opacity: 0.4;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact__timeline-line span {
    animation: none;
    opacity: 0.8;
  }
}

/* ===== 桌面端 ===== */
@media (min-width: 800px) {
  .page-contact__hero {
    padding: 64px 0 80px;
  }

  .page-contact__hero-inner {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 48px;
  }

  .page-contact__title {
    font-size: 4.2rem;
  }

  .page-contact__feedback,
  .page-contact__channels,
  .page-contact__timing {
    padding: 72px 0;
  }

  .page-contact__feedback-inner {
    grid-template-columns: 0.9fr 1.1fr;
    gap: 56px;
  }

  .page-contact__cards {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-contact__timeline {
    flex-direction: row;
    align-items: flex-start;
    gap: 0;
    margin: 0 0 32px;
  }

  .page-contact__timeline-node {
    flex: 1;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .page-contact__timeline-line {
    flex: 0 1 48px;
    min-width: 24px;
    width: auto;
    height: 2px;
    margin: 17px 10px 0;
  }

  .page-contact__timeline-line span {
    height: 2px;
    transform-origin: left;
  }

  @keyframes pc-flow {
    0% {
      transform: scaleX(0.1);
      opacity: 0.4;
    }
    50% {
      transform: scaleX(1);
      opacity: 1;
    }
    100% {
      transform: scaleX(0.1);
      opacity: 0.4;
    }
  }
}