.page-contact {
  --contact-glass: rgba(30, 58, 95, 0.48);
  --contact-line: rgba(192, 192, 192, 0.22);
  background: var(--emc-deep-space);
}

.page-contact img {
  max-width: 100%;
  height: auto;
}

/* ===== Hero ===== */
.page-contact .contact-hero {
  position: relative;
  padding: clamp(28px, 5vw, 56px) 0 clamp(48px, 9vw, 96px);
  overflow: hidden;
  background:
    radial-gradient(circle at 80% 20%, rgba(30, 58, 95, 0.85) 0%, transparent 55%),
    linear-gradient(140deg, var(--emc-tech-blue) 0%, var(--emc-deep-space) 62%);
}

.page-contact .contact-hero::before {
  content: '';
  position: absolute;
  right: -60px;
  top: 24px;
  width: 220px;
  height: 220px;
  border: 2px solid rgba(245, 214, 35, 0.3);
  border-radius: 4px;
  transform: rotate(45deg);
  pointer-events: none;
}

.page-contact .contact-hero .breadcrumb {
  margin-bottom: clamp(24px, 4vw, 48px);
}

.page-contact .contact-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 32px;
}

.page-contact .contact-hero__content {
  max-width: 780px;
  padding-left: 18px;
  border-left: 2px solid var(--emc-yellow);
}

.page-contact .contact-hero h1 {
  font-family: var(--emc-font-heading);
  font-size: var(--emc-h1);
  line-height: 1.06;
  letter-spacing: -0.01em;
  color: var(--emc-white);
  margin: 14px 0 10px;
}

.page-contact .contact-hero__lead {
  font-family: var(--emc-font-data);
  font-size: clamp(0.875rem, 1.4vw, 1.125rem);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--emc-yellow);
  margin: 0 0 24px;
}

.page-contact .contact-hero__desc {
  font-family: var(--emc-font-body);
  font-size: 1.0625rem;
  line-height: 1.75;
  color: var(--emc-silver);
  max-width: 620px;
}

.page-contact .contact-hero__aside {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
  border-left: 1px solid var(--contact-line);
  padding-left: 20px;
}

.page-contact .contact-hero__code {
  font-family: var(--emc-font-data);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--emc-signal);
}

/* ===== 01 联系方式 ===== */
.page-contact .contact-channels {
  position: relative;
  padding-bottom: clamp(48px, 7vw, 90px);
}

.page-contact .contact-channels::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--emc-yellow) 0%, var(--emc-signal) 40%, transparent 100%);
}

.page-contact .contact-channels__head {
  display: grid;
  gap: 20px;
  margin-bottom: 36px;
}

.page-contact .contact-channels__heading {
  max-width: 720px;
}

.page-contact .contact-channels__head .section-no,
.page-contact .contact-topics__head .section-no,
.page-contact .contact-hours__main .section-no {
  display: block;
  margin-bottom: 12px;
}

.page-contact .contact-channels h2,
.page-contact .contact-topics h2,
.page-contact .contact-area h2,
.page-contact .contact-next h2 {
  font-family: var(--emc-font-heading);
  font-size: var(--emc-h2);
  color: var(--emc-white);
  margin: 12px 0 10px;
}

.page-contact .section-desc {
  font-family: var(--emc-font-body);
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--emc-silver);
}

.page-contact .channel-grid {
  display: grid;
  gap: 20px;
}

.page-contact .channel-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 28px;
  min-height: 220px;
  border-radius: var(--emc-radius);
  border: 1px solid var(--contact-line);
  transition: transform var(--emc-transition-base), box-shadow var(--emc-transition-base);
}

.page-contact .channel-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 40px rgba(5, 10, 19, 0.45);
}

.page-contact .channel-card--mail {
  background: var(--contact-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-color: rgba(0, 168, 232, 0.35);
  overflow: hidden;
}

.page-contact .channel-card--mail::after {
  content: '';
  position: absolute;
  top: -40px;
  right: -40px;
  width: 120px;
  height: 120px;
  border: 1px solid rgba(245, 214, 35, 0.4);
  border-radius: 50%;
  pointer-events: none;
}

.page-contact .channel-card--phone {
  background: var(--emc-tech-blue);
  border-color: transparent;
}

.page-contact .channel-card--phone::after {
  content: '';
  position: absolute;
  bottom: 0;
  right: 0;
  width: 0;
  height: 0;
  border-left: 24px solid transparent;
  border-bottom: 24px solid var(--emc-yellow);
  opacity: 0.85;
}

.page-contact .channel-card--address {
  background: linear-gradient(150deg, rgba(30, 58, 95, 0.75) 0%, var(--emc-deep-space) 100%);
  border-left: 3px solid var(--emc-yellow);
}

.page-contact .channel-card__img {
  width: 56px;
  height: 56px;
  object-fit: cover;
  border-radius: var(--emc-radius);
  margin-bottom: 16px;
  border: 1px solid var(--contact-line);
}

.page-contact .channel-card__tag {
  font-family: var(--emc-font-data);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--emc-signal);
  margin-bottom: 8px;
}

.page-contact .channel-card h3,
.page-contact .topic-item__content h3 {
  font-family: var(--emc-font-heading);
  font-size: 1.25rem;
  color: var(--emc-white);
  margin: 0 0 8px;
}

.page-contact .channel-card__value {
  font-family: var(--emc-font-data);
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--emc-white);
  line-height: 1.45;
  margin: 0 0 12px;
  overflow-wrap: break-word;
  word-break: break-word;
}

.page-contact .channel-card__note {
  font-family: var(--emc-font-body);
  font-size: 0.875rem;
  line-height: 1.65;
  color: var(--emc-silver);
  margin: auto 0 0;
}

/* ===== 02 服务时间 ===== */
.page-contact .contact-hours {
  background: linear-gradient(180deg, rgba(5, 10, 19, 0.6) 0%, var(--emc-deep-space) 100%);
  border-top: 1px solid var(--contact-line);
  border-bottom: 1px solid var(--contact-line);
}

.page-contact .contact-hours__inner {
  display: grid;
  gap: 40px;
  padding-top: clamp(48px, 8vw, 88px);
  padding-bottom: clamp(48px, 8vw, 88px);
}

.page-contact .contact-hours__main {
  position: relative;
}

.page-contact .contact-hours h2,
.page-contact .contact-topics h2,
.page-contact .contact-area h2,
.page-contact .contact-next h2 {
  font-family: var(--emc-font-heading);
  font-size: var(--emc-h2);
  color: var(--emc-white);
  margin: 14px 0 24px;
}

.page-contact .hours-list {
  border-top: 1px solid var(--contact-line);
  margin-top: 28px;
}

.page-contact .hours-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 6px 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--contact-line);
}

.page-contact .hours-row__label {
  font-family: var(--emc-font-body);
  font-size: 0.9375rem;
  color: var(--emc-silver);
}

.page-contact .hours-row__value {
  font-family: var(--emc-font-data);
  font-size: 1rem;
  letter-spacing: 0.02em;
  color: var(--emc-white);
  text-align: right;
}

.page-contact .contact-hours__note {
  font-family: var(--emc-font-body);
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--emc-silver);
  margin-top: 20px;
}

.page-contact .contact-hours__visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
  padding: 32px 0;
  min-height: 260px;
  border: 1px solid var(--contact-line);
  background: rgba(30, 58, 95, 0.18);
  border-radius: var(--emc-radius);
}

.page-contact .signal-ring {
  position: relative;
  width: 160px;
  height: 160px;
  border: 2px solid var(--emc-signal);
  border-radius: 50%;
}

.page-contact .signal-ring::before,
.page-contact .signal-ring::after {
  content: '';
  position: absolute;
  border-radius: 50%;
}

.page-contact .signal-ring::before {
  inset: 24px;
  border: 1px solid var(--emc-yellow);
  opacity: 0.65;
}

.page-contact .signal-ring::after {
  inset: 48px;
  border: 1px dashed var(--emc-signal);
  opacity: 0.5;
}

.page-contact .contact-hours__window {
  font-family: var(--emc-font-data);
  font-size: 0.9375rem;
  letter-spacing: 0.08em;
  color: var(--emc-yellow);
  padding: 8px 14px;
  border: 1px solid rgba(245, 214, 35, 0.3);
  background: rgba(245, 214, 35, 0.08);
  border-radius: var(--emc-radius);
}

/* ===== 03 咨询范围 ===== */
.page-contact .contact-topics {
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-contact .contact-topics__head {
  display: grid;
  gap: 20px;
  margin-bottom: 36px;
}

.page-contact .contact-topics__heading {
  max-width: 720px;
}

.page-contact .topic-list {
  margin-top: 12px;
  border-top: 1px solid var(--contact-line);
}

.page-contact .topic-item {
  display: flex;
  gap: 20px;
  padding: 28px 0;
  transition: padding-left var(--emc-transition-fast);
}

.page-contact .topic-item:hover {
  padding-left: 12px;
}

.page-contact .topic-item__index {
  font-family: var(--emc-font-data);
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1;
  color: var(--emc-yellow);
  flex-shrink: 0;
}

.page-contact .topic-item__content {
  flex: 1;
  max-width: 720px;
}

.page-contact .topic-item__content p {
  font-family: var(--emc-font-body);
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--emc-silver);
  margin: 0 0 12px;
}

.page-contact .topic-item__link {
  font-family: var(--emc-font-body);
  font-size: 0.875rem;
  color: var(--emc-signal);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--emc-transition-fast);
}

.page-contact .topic-item__link:hover {
  border-bottom-color: var(--emc-signal);
}

/* ===== 服务区域 ===== */
.page-contact .contact-area {
  background: linear-gradient(145deg, rgba(30, 58, 95, 0.9) 0%, var(--emc-deep-space) 72%);
  border-top: 1px solid var(--contact-line);
  border-bottom: 1px solid var(--contact-line);
}

.page-contact .contact-area__inner {
  display: grid;
  gap: 32px;
  padding-top: clamp(48px, 8vw, 80px);
  padding-bottom: clamp(48px, 8vw, 80px);
}

.page-contact .contact-area__visual img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--emc-radius);
  box-shadow: 0 24px 60px rgba(5, 10, 19, 0.5);
}

.page-contact .contact-area__content p {
  font-family: var(--emc-font-body);
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--emc-silver);
  margin: 0 0 16px;
  max-width: 520px;
}

.page-contact .contact-area__note {
  margin-top: 24px;
  padding: 16px 20px;
  background: rgba(5, 10, 19, 0.4);
  border-left: 3px solid var(--emc-yellow);
  font-size: 0.875rem;
  color: var(--emc-silver);
}

/* ===== 进一步了解 ===== */
.page-contact .contact-next {
  padding-bottom: clamp(56px, 10vw, 112px);
}

.page-contact .contact-next__head {
  margin-bottom: 32px;
}

.page-contact .next-links {
  display: grid;
  gap: 16px;
}

.page-contact .next-link {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 28px;
  background: rgba(30, 58, 95, 0.35);
  border: 1px solid var(--contact-line);
  border-radius: var(--emc-radius);
  text-decoration: none;
  transition: transform var(--emc-transition-base), background var(--emc-transition-base);
}

.page-contact .next-link:hover {
  transform: translateY(-4px);
  background: rgba(30, 58, 95, 0.65);
}

.page-contact .next-link__no {
  font-family: var(--emc-font-data);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--emc-yellow);
}

.page-contact .next-link__title {
  font-family: var(--emc-font-heading);
  font-size: 1.25rem;
  color: var(--emc-white);
}

.page-contact .next-link__desc {
  font-family: var(--emc-font-body);
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--emc-silver);
}

/* ===== 桌面端 ===== */
@media (min-width: 860px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: 1fr 240px;
    align-items: end;
  }

  .page-contact .contact-hero__aside {
    align-items: flex-end;
    text-align: right;
  }

  .page-contact .channel-grid {
    grid-template-columns: 1.2fr 0.8fr;
  }

  .page-contact .channel-card--address {
    grid-column: 1 / -1;
    min-height: 180px;
  }

  .page-contact .contact-hours__inner {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
    gap: 56px;
  }

  .page-contact .topic-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    column-gap: 48px;
  }

  .page-contact .topic-item:nth-child(odd) {
    border-right: 1px solid var(--contact-line);
    padding-right: 32px;
  }

  .page-contact .contact-area__inner {
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 56px;
  }

  .page-contact .next-links {
    grid-template-columns: repeat(3, 1fr);
  }
}