.page-contact {
  --contact-grid-line: rgba(255, 255, 255, 0.05);
  --contact-card-bg: rgba(20, 38, 61, 0.72);
  --contact-card-border: 2px solid rgba(255, 255, 255, 0.14);
  background: var(--light);
  overflow: hidden;
}

/* ===== 首屏：欢迎沟通 + 氛围图 ===== */
.page-contact__hero {
  display: grid;
  grid-template-columns: 1fr;
  background: var(--deep);
}

.page-contact__hero-copy {
  position: relative;
  padding: clamp(2rem, 5vw, 4.5rem);
  color: var(--text-on-dark);
  background-color: var(--deep);
  background-image:
    linear-gradient(var(--contact-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--contact-grid-line) 1px, transparent 1px);
  background-size: 44px 44px;
}

.page-contact__hero-copy::after {
  content: '';
  position: absolute;
  right: -2px;
  top: 0;
  bottom: 0;
  width: var(--frame-w);
  background: var(--accent);
}

.page-contact__crumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
  margin: 0 0 2rem;
  padding: 0;
}

.page-contact__crumb a {
  color: var(--accent);
  text-decoration: none;
}

.page-contact__crumb a:hover {
  text-decoration: underline;
}

.page-contact__overline {
  font-family: var(--font-head);
  font-size: 0.85rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 0.5rem;
}

.page-contact__hero h1 {
  font-family: var(--font-head);
  font-size: clamp(2.4rem, 6vw, 4.6rem);
  line-height: 1.02;
  letter-spacing: -0.02em;
  margin: 0 0 1rem;
  color: var(--text-on-dark);
}

.page-contact__lead {
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.85);
  max-width: 36em;
  margin: 0 0 2rem;
}

.page-contact__hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.page-contact__hero-meta {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin: 2.5rem 0 0;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
  padding: 1.5rem 0 0;
}

.page-contact__hero-meta dt {
  font-family: var(--font-head);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.55);
}

.page-contact__hero-meta dd {
  margin: 0.25rem 0 0;
  font-size: 0.95rem;
  color: var(--text-on-dark);
  line-height: 1.6;
}

.page-contact__hero-media {
  position: relative;
  min-height: 260px;
  overflow: hidden;
}

.page-contact__hero-media img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 260px;
  object-fit: cover;
}

.page-contact__hero-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(118deg, var(--deep) 0%, rgba(10, 17, 40, 0.25) 42%, rgba(10, 17, 40, 0) 72%);
  pointer-events: none;
}

/* ===== 主分屏：左信息列 / 右操作列 ===== */
.page-contact__split {
  display: grid;
  grid-template-columns: 1fr;
  position: relative;
  border-top: var(--frame-w) solid var(--accent);
}

.page-contact__split-info {
  background: var(--primary);
  color: var(--text-on-dark);
  padding: clamp(1.6rem, 4vw, 3rem);
}

.page-contact__split-action {
  background: var(--light);
  color: var(--text-main);
  padding: clamp(1.6rem, 4vw, 3rem);
}

/* ===== 左侧区块 ===== */
.page-contact__channels,
.page-contact__biz,
.page-contact__support {
  margin-bottom: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.page-contact__support {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: 0;
}

.page-contact__section-index,
.page-contact__section-index--light {
  font-family: var(--font-head);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin: 0 0 0.5rem;
}

.page-contact__section-index {
  color: var(--gold);
}

.page-contact__section-index--light {
  color: var(--accent-deep);
}

.page-contact__channels h2,
.page-contact__biz h2,
.page-contact__support h2,
.page-contact__location h2,
.page-contact__message h2 {
  font-family: var(--font-head);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 0 0 0.75rem;
}

.page-contact__channels h2,
.page-contact__biz h2,
.page-contact__support h2 {
  color: var(--text-on-dark);
}

.page-contact__location h2,
.page-contact__message h2 {
  color: var(--text-main);
}

.page-contact__section-lead,
.page-contact__section-lead--light {
  line-height: 1.7;
  margin: 0 0 1.5rem;
  font-size: 0.95rem;
}

.page-contact__section-lead {
  color: rgba(255, 255, 255, 0.72);
}

.page-contact__section-lead--light {
  color: var(--text-sub);
}

/* 联系卡片 */
.page-contact__channel-list {
  display: grid;
  gap: 1rem;
}

.page-contact__channel-card {
  background: var(--contact-card-bg);
  border: var(--contact-card-border);
  padding: 1.4rem;
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  color: var(--text-on-dark);
  text-decoration: none;
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.page-contact__channel-card:hover {
  transform: translate(6px, -6px);
  box-shadow: var(--shadow-accent);
  border-color: var(--accent);
}

.page-contact__channel-icon {
  flex-shrink: 0;
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  background: rgba(0, 255, 179, 0.12);
  border: 2px solid var(--accent);
  color: var(--accent);
}

.page-contact__channel-icon svg {
  width: 22px;
  height: 22px;
  display: block;
}

.page-contact__channel-label {
  font-family: var(--font-head);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
  display: block;
  margin-bottom: 0.3rem;
}

.page-contact__channel-value {
  font-weight: 700;
  font-size: 1.05rem;
  display: block;
  margin-bottom: 0.3rem;
  word-break: break-all;
  line-height: 1.5;
}

.page-contact__channel-note {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.55);
  line-height: 1.5;
}

/* 商务合作 */
.page-contact__biz-list {
  list-style: none;
  padding: 0;
  margin: 0 0 1.6rem;
  display: grid;
  gap: 0.7rem;
}

.page-contact__biz-list li {
  padding: 0.85rem 1rem 0.85rem 1.1rem;
  border-left: 4px solid var(--accent);
  background: rgba(255, 255, 255, 0.05);
  font-size: 0.95rem;
  line-height: 1.6;
}

.page-contact__biz-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

.page-contact__text-link {
  color: var(--accent);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.9rem;
  border-bottom: 2px solid rgba(0, 255, 179, 0.4);
  padding-bottom: 2px;
}

.page-contact__text-link:hover {
  border-color: var(--accent);
}

/* 客户支持 */
.page-contact__support {
  margin-top: 0.5rem;
}

/* ===== 右侧区块 ===== */
.page-contact__location {
  margin-bottom: 3rem;
  padding-bottom: 3rem;
  border-bottom: 2px solid var(--primary);
}

.page-contact__map {
  margin: 1.5rem 0 0;
  background: var(--light);
  border: 3px solid var(--primary);
  box-shadow: var(--shadow-hard);
}

.page-contact__map img {
  display: block;
  width: 100%;
  height: auto;
  min-height: 180px;
  object-fit: cover;
}

.page-contact__map figcaption {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 1.25rem;
  font-size: 0.88rem;
  color: var(--text-on-dark);
  background: var(--secondary);
}

.page-contact__map-dot {
  flex-shrink: 0;
  width: 10px;
  height: 10px;
  background: var(--gold);
  border-radius: 50%;
  animation: page-contact-map-pulse 1.6s ease-in-out infinite;
}

@keyframes page-contact-map-pulse {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(255, 209, 102, 0.6);
  }
  50% {
    box-shadow: 0 0 0 8px rgba(255, 209, 102, 0);
  }
}

/* 发送消息 */
.page-contact__form {
  background: var(--primary);
  border: 3px solid var(--primary);
  box-shadow: var(--shadow-hard);
  padding: clamp(1.4rem, 3vw, 2.2rem);
  color: var(--text-on-dark);
  margin-top: 1.2rem;
}

.page-contact__field {
  margin: 0 0 1.1rem;
}

.page-contact__field label {
  display: block;
  font-family: var(--font-head);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.4rem;
}

.page-contact__field input,
.page-contact__field select,
.page-contact__field textarea {
  width: 100%;
  background: var(--deep);
  border: 2px solid rgba(255, 255, 255, 0.2);
  color: var(--text-on-dark);
  padding: 0.85rem 1rem;
  font-family: var(--font-body);
  font-size: 1rem;
  border-radius: 0;
}

.page-contact__field textarea {
  resize: vertical;
}

.page-contact__field input:focus,
.page-contact__field select:focus,
.page-contact__field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0, 255, 179, 0.18);
}

.page-contact__form-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  margin-top: 1.4rem;
}

.page-contact__form-note {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.55);
}

/* ===== 响应式 ===== */
@media (min-width: 600px) {
  .page-contact__hero-meta {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact__hero {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: stretch;
  }

  .page-contact__hero-media {
    min-height: 100%;
    clip-path: polygon(14% 0, 100% 0, 100% 100%, 0 100%);
  }

  .page-contact__hero-media img {
    min-height: 100%;
  }

  .page-contact__split {
    grid-template-columns: 1fr 1fr;
  }

  .page-contact__split::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 10px;
    background: var(--accent);
    transform: translateX(-50%) skewX(-10deg);
    z-index: 5;
    pointer-events: none;
  }
}

@media (min-width: 1200px) {
  .page-contact__split-info,
  .page-contact__split-action {
    padding: clamp(2.5rem, 4.5vw, 4rem);
  }

  .page-contact__channel-list {
    grid-template-columns: 1fr;
  }

  .page-contact__biz-list li {
    font-size: 1rem;
  }
}