/* ============ 联系页 · page-contact ============ */
.page-contact {
  background: var(--space-blue);
  color: var(--ice-blue);
  font-family: var(--font-body);
  position: relative;
  overflow-x: hidden;
}

/* 面包屑 */
.page-contact .breadcrumbs {
  padding: 24px 0 12px;
  font-size: 0.82rem;
  letter-spacing: 0.02em;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}
.page-contact .breadcrumb-link {
  color: var(--metal-silver);
  text-decoration: none;
  transition: color 0.3s;
}
.page-contact .breadcrumb-link:hover {
  color: var(--nebula-green);
}
.page-contact .breadcrumb-sep {
  color: rgba(192, 200, 208, 0.5);
}
.page-contact .breadcrumb-current {
  color: var(--ice-blue);
}

/* 首屏区域 */
.page-contact .contact-hero {
  padding: 16px 0 36px;
  position: relative;
}
.page-contact .contact-hero::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, rgba(57, 255, 136, 0.4) 30%, rgba(255, 110, 61, 0.4) 70%, transparent 100%);
}
.page-contact .contact-hero .section-eyebrow {
  color: var(--nebula-green);
  letter-spacing: 0.26em;
  margin: 0 0 10px;
  font-size: 0.78rem;
}
.page-contact .contact-hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 6vw, 3.4rem);
  line-height: 1.16;
  color: #ffffff;
  margin: 0 0 18px;
  letter-spacing: 0.02em;
}
.page-contact .contact-hero-title br {
  display: none;
}
.page-contact .contact-hero-desc {
  max-width: 60ch;
  font-size: 1rem;
  line-height: 1.8;
  color: rgba(224, 240, 255, 0.78);
  margin: 0;
}

/* 主区块：斜向切分背景 */
.page-contact .contact-main {
  position: relative;
  padding: 32px 0 64px;
  overflow: hidden;
}
.page-contact .contact-main::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--space-blue) 0%, var(--space-blue) 55%, rgba(57, 255, 136, 0.1) 55%, rgba(57, 255, 136, 0.04) 74%, var(--space-blue) 74%);
  pointer-events: none;
  z-index: 0;
}
.page-contact .contact-main .container {
  position: relative;
  z-index: 1;
}
.page-contact .contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  position: relative;
}
.page-contact .contact-grid::before {
  content: '';
  position: absolute;
  top: -40px;
  right: -20px;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(57, 255, 136, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

/* 联系渠道卡片 */
.page-contact .contact-channels {
  position: relative;
  border: 1px solid rgba(192, 200, 208, 0.28);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: rgba(10, 26, 47, 0.72);
  min-height: 420px;
}
.page-contact .contact-channel-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.13;
  z-index: 0;
}
.page-contact .contact-channels::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 26, 47, 0.2) 0%, rgba(5, 13, 22, 0.9) 100%);
  z-index: 0;
}
.page-contact .contact-channels-inner {
  position: relative;
  z-index: 1;
  padding: 32px 24px;
}
.page-contact .contact-title {
  font-family: var(--font-heading);
  font-size: 1.7rem;
  color: #ffffff;
  margin: 0 0 8px;
}
.page-contact .contact-channel-intro {
  font-size: 0.9rem;
  line-height: 1.7;
  color: rgba(224, 240, 255, 0.7);
  margin: 0 0 36px;
  max-width: 40ch;
}

/* 联系渠道条目 */
.page-contact .contact-channel-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 0 0 28px;
  margin: 0 0 28px;
  border-bottom: 1px dashed rgba(192, 200, 208, 0.22);
}
.page-contact .contact-channel-item:last-of-type {
  margin-bottom: 20px;
}
.page-contact .channel-index {
  font-family: var(--font-data);
  font-size: 0.72rem;
  color: var(--nebula-green);
  background: rgba(57, 255, 136, 0.12);
  border: 1px solid rgba(57, 255, 136, 0.3);
  border-radius: var(--radius-pill);
  padding: 3px 8px;
  line-height: 1;
  white-space: nowrap;
  flex-shrink: 0;
}
.page-contact .channel-content {
  min-width: 0;
  flex: 1;
}
.page-contact .channel-label {
  display: inline-block;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--metal-silver);
  margin-bottom: 8px;
}
.page-contact .contact-email {
  font-family: var(--font-data);
  font-size: clamp(0.92rem, 2.6vw, 1.12rem);
  color: var(--nebula-green);
  text-decoration: none;
  border-bottom: 2px solid rgba(57, 255, 136, 0.4);
  transition: border-color 0.3s, color 0.3s;
  word-break: break-all;
  display: inline-block;
  line-height: 1.6;
}
.page-contact .contact-email:hover {
  border-bottom-color: var(--nebula-green);
  color: #ffffff;
}
.page-contact .channel-note {
  font-size: 0.82rem;
  color: rgba(224, 240, 255, 0.6);
  margin: 8px 0 0;
  line-height: 1.6;
}

/* 电话号码放大 */
.page-contact .contact-phone-row {
  position: relative;
  display: inline-block;
}
.page-contact .contact-phone {
  font-family: var(--font-data);
  font-size: clamp(1.4rem, 4vw, 1.9rem);
  font-weight: 700;
  color: #ffffff;
  letter-spacing: 0.04em;
  line-height: 1.3;
  margin: 0;
}
.page-contact .copy-hint {
  position: absolute;
  right: 8px;
  top: -16px;
  font-size: 0.62rem;
  color: var(--metal-silver);
  border: 1px solid rgba(192, 200, 208, 0.4);
  border-radius: var(--radius-pill);
  padding: 2px 8px;
  opacity: 0;
  transition: opacity 0.3s;
  white-space: nowrap;
  pointer-events: none;
}
.page-contact .contact-phone-row:hover .copy-hint {
  opacity: 1;
}

/* 地址图标 */
.page-contact .contact-address {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--ice-blue);
  margin: 0;
  padding-left: 22px;
  position: relative;
}
.page-contact .contact-address::before {
  content: '';
  position: absolute;
  left: 0;
  top: 6px;
  width: 10px;
  height: 14px;
  border: 2px solid var(--arc-orange);
  border-radius: 2px 10px 10px 10px;
  box-shadow: 0 0 10px rgba(255, 110, 61, 0.5);
  transform: rotate(-12deg);
}

/* 工作时间提示卡 */
.page-contact .contact-channel-time {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  background: rgba(57, 255, 136, 0.08);
  border: 1px solid rgba(57, 255, 136, 0.2);
  margin-top: 8px;
}
.page-contact .channel-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--nebula-green);
  box-shadow: 0 0 10px var(--nebula-green);
  flex-shrink: 0;
}
.page-contact .contact-channel-time p {
  font-size: 0.84rem;
  color: rgba(224, 240, 255, 0.82);
  margin: 0;
}

/* 反馈表单卡片 */
.page-contact .contact-form-card {
  border: 1px solid var(--metal-silver);
  border-radius: var(--radius-lg);
  background: rgba(5, 13, 22, 0.78);
  padding: 32px 24px;
  box-shadow: var(--shadow-deep);
  position: relative;
  overflow: hidden;
}
.page-contact .contact-form-card::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 160px;
  height: 160px;
  background: radial-gradient(circle, rgba(57, 255, 136, 0.12) 0%, transparent 70%);
  pointer-events: none;
}
.page-contact .contact-form-icon {
  width: 64px;
  height: 64px;
  object-fit: contain;
  border-radius: 14px;
  margin-bottom: 20px;
  border: 1px solid rgba(192, 200, 208, 0.3);
  padding: 10px;
  background: rgba(255, 255, 255, 0.04);
}
.page-contact .contact-form-title {
  font-family: var(--font-heading);
  font-size: 1.7rem;
  color: #ffffff;
  margin: 0 0 10px;
}
.page-contact .contact-form-intro {
  font-size: 0.9rem;
  line-height: 1.7;
  color: rgba(224, 240, 255, 0.72);
  margin: 0 0 28px;
}

/* 表单字段 */
.page-contact .form-field {
  margin-bottom: 22px;
}
.page-contact .form-field label {
  display: block;
  font-size: 0.8rem;
  color: var(--metal-silver);
  margin-bottom: 8px;
  letter-spacing: 0.12em;
}
.page-contact .form-field select,
.page-contact .form-field textarea {
  width: 100%;
  border: 1px solid rgba(192, 200, 208, 0.35);
  border-radius: var(--radius-sm);
  background: rgba(10, 26, 47, 0.6);
  color: var(--ice-blue);
  padding: 12px 14px;
  font-family: var(--font-body);
  font-size: 0.92rem;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.page-contact .form-field select:focus,
.page-contact .form-field textarea:focus {
  outline: none;
  border-color: var(--nebula-green);
  box-shadow: 0 0 0 2px rgba(57, 255, 136, 0.18);
}
.page-contact .form-field textarea {
  resize: vertical;
  min-height: 120px;
}
.page-contact .form-field select option {
  background: var(--space-blue);
  color: var(--ice-blue);
}

/* 提交按钮 */
.page-contact .contact-submit-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 14px 24px;
  font-size: 1rem;
  font-family: var(--font-body);
  letter-spacing: 0.06em;
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: background 0.3s, box-shadow 0.3s, transform 0.3s;
}
.page-contact .contact-submit-btn:hover {
  background: var(--arc-orange);
  box-shadow: 0 4px 24px rgba(255, 110, 61, 0.35);
  transform: translateY(-2px);
}
.page-contact .contact-form-tip {
  font-size: 0.78rem;
  text-align: center;
  margin: 16px 0 0;
  color: rgba(224, 240, 255, 0.55);
}

/* 响应时间 */
.page-contact .response-section {
  padding: 16px 0 64px;
  position: relative;
  background-image: linear-gradient(var(--data-grid) 1px, transparent 1px), linear-gradient(90deg, var(--data-grid) 1px, transparent 1px);
  background-size: 36px 36px;
  border-top: 1px solid rgba(192, 200, 208, 0.12);
}
.page-contact .response-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}
.page-contact .response-head .section-eyebrow {
  color: var(--arc-orange);
  letter-spacing: 0.24em;
  font-size: 0.74rem;
  margin: 0 0 6px;
}
.page-contact .response-head .section-title {
  font-family: var(--font-heading);
  font-size: 1.7rem;
  color: #ffffff;
  margin: 0;
}
.page-contact .response-head-note {
  font-size: 0.82rem;
  color: rgba(224, 240, 255, 0.55);
  margin: 0;
}
.page-contact .response-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
.page-contact .response-card {
  background: var(--glass-white);
  border: 1px solid rgba(192, 200, 208, 0.25);
  border-radius: var(--radius-md);
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: border-color 0.3s, transform 0.3s, background 0.3s;
}
.page-contact .response-card:hover {
  border-color: rgba(57, 255, 136, 0.5);
  background: rgba(57, 255, 136, 0.05);
  transform: translateY(-2px);
}
.page-contact .response-num {
  font-family: var(--font-data);
  font-size: 0.85rem;
  color: var(--nebula-green);
}
.page-contact .response-body h3 {
  font-size: 1rem;
  color: #ffffff;
  margin: 0 0 8px;
  font-family: var(--font-heading);
}
.page-contact .response-body p {
  font-size: 0.88rem;
  line-height: 1.7;
  color: rgba(224, 240, 255, 0.72);
  margin: 0;
}
.page-contact .response-card .badge {
  align-self: flex-start;
}

/* 补充信息区 */
.page-contact .contact-extra {
  padding: 8px 0 72px;
}
.page-contact .contact-extra-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-bottom: 24px;
}
.page-contact .contact-extra-card {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 20px;
  border: 1px solid rgba(192, 200, 208, 0.2);
  border-radius: var(--radius-md);
  background: rgba(5, 13, 22, 0.5);
  transition: border-color 0.3s;
}
.page-contact .contact-extra-card:hover {
  border-color: rgba(57, 255, 136, 0.4);
}
.page-contact .extra-icon {
  font-family: var(--font-data);
  color: var(--arc-orange);
  font-size: 1.2rem;
  line-height: 1.4;
  flex-shrink: 0;
}
.page-contact .contact-extra-card p {
  font-size: 0.88rem;
  color: rgba(224, 240, 255, 0.75);
  line-height: 1.75;
  margin: 0;
}
.page-contact .contact-extra-card a {
  color: var(--nebula-green);
  text-decoration: none;
  border-bottom: 1px solid rgba(57, 255, 136, 0.4);
  transition: border-bottom-color 0.3s;
}
.page-contact .contact-extra-card a:hover {
  border-bottom-color: var(--nebula-green);
}
.page-contact .contact-extra-seo {
  font-size: 0.84rem;
  color: rgba(224, 240, 255, 0.5);
  line-height: 1.7;
  margin: 0;
  text-align: center;
  letter-spacing: 0.02em;
}

/* 平板 */
@media (min-width: 768px) {
  .page-contact .contact-hero {
    padding: 24px 0 48px;
  }
  .page-contact .contact-hero-title br {
    display: inline;
  }
  .page-contact .contact-channels-inner {
    padding: 40px 36px;
  }
  .page-contact .contact-form-card {
    padding: 40px 36px;
  }
  .page-contact .response-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }
  .page-contact .contact-extra-inner {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
}

/* 桌面 */
@media (min-width: 992px) {
  .page-contact .contact-main {
    padding: 48px 0 88px;
  }
  .page-contact .contact-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 48px;
    align-items: start;
  }
  .page-contact .contact-channels {
    position: sticky;
    top: 24px;
  }
  .page-contact .contact-form-card {
    position: relative;
  }
  .page-contact .contact-extra {
    padding: 16px 0 80px;
  }
}