/* ==========================================================================
   Contact Page Styles - 2026 Edition
   设计原则：
   - 路由式 (Intent-based Routing)
   - 双栏 1080px：左信任+渠道 / 右单列表单
   - 真实后端数据驱动
   - 48x48px 触摸目标
   - 持久标签（不用 placeholder 代替）
   ========================================================================== */

/* ---------- 双栏主体布局 ---------- */
.contact-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}
@media (min-width: 1024px) {
  .contact-split {
    grid-template-columns: 5fr 7fr;
    gap: var(--space-10);
    align-items: start;
  }
}

/* ---------- 左栏：信息面板 ---------- */
.contact-info-panel {
  position: relative;
  padding: var(--space-8);
  border-radius: var(--radius-2xl);
  background: linear-gradient(165deg, #0F4C5C 0%, #1A6B7C 60%, #5B9DAA 100%);
  color: white;
  overflow: hidden;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.15),
    0 12px 32px -12px rgba(15, 76, 92, 0.4);
}
.contact-info-panel::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(at 20% 0%, rgba(255, 255, 255, 0.15) 0px, transparent 50%),
    radial-gradient(at 80% 100%, rgba(255, 255, 255, 0.08) 0px, transparent 50%);
  pointer-events: none;
}
.contact-info-panel > * { position: relative; z-index: 1; }

.info-company-name {
  font-family: var(--font-display);
  font-size: var(--text-h5);
  font-weight: 600;
  letter-spacing: 0.02em;
  margin-bottom: var(--space-6);
  opacity: 0.9;
}

/* 响应时间承诺卡片 */
.info-promise {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  margin-bottom: var(--space-6);
}
.info-promise-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: white;
}
.info-promise-icon svg { animation: spin 8s linear infinite; }
@keyframes spin {
  to { transform: rotate(360deg); }
}
.info-promise-title {
  font-size: var(--text-body);
  font-weight: 600;
  margin-bottom: 4px;
}
.info-promise-desc {
  font-size: var(--text-body-sm);
  opacity: 0.85;
  line-height: var(--leading-snug);
}

/* 联系渠道列表 */
.info-channels {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.info-channel {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}
.info-channel-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}
.info-channel-icon svg {
  width: 20px;
  height: 20px;
}
.info-channel-body {
  flex: 1;
  min-width: 0;
}
.info-channel-label {
  font-size: var(--text-caption);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  opacity: 0.7;
  font-weight: 500;
  margin-bottom: 2px;
}
.info-channel-value {
  display: block;
  font-size: var(--text-body);
  font-weight: 600;
  color: white;
  text-decoration: none;
  word-break: break-word;
  line-height: var(--leading-snug);
}
.info-channel-value:hover {
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

/* OSM 地图 */
.info-map {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.18);
}
.info-map iframe {
  display: block;
  width: 100%;
  height: 220px;
  border: 0;
}
.info-map-link {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px;
  background: rgba(255, 255, 255, 0.1);
  color: white;
  font-size: var(--text-body-sm);
  font-weight: 500;
  text-decoration: none;
  transition: background 0.2s;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}
.info-map-link:hover {
  background: rgba(255, 255, 255, 0.18);
}

/* ---------- 右栏：表单 ---------- */
.contact-form-panel {
  padding: var(--space-8);
  border-radius: var(--radius-2xl);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.95) 0%, rgba(240, 235, 227, 0.85) 100%);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.9),
    0 0 0 1px rgba(255, 255, 255, 0.6),
    0 0 0 1.5px rgba(91, 157, 170, 0.1),
    0 12px 32px -12px rgba(15, 76, 92, 0.15);
}

.form-section-title {
  text-align: left;
  margin: 0 0 var(--space-3);
}
.form-section-intro {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--text-body-sm);
  color: var(--teal-700);
  font-weight: 500;
  margin: 0 0 var(--space-6);
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(15, 76, 92, 0.06);
}
.form-section-intro svg { flex-shrink: 0; }

/* 表单字段 */
.contact-form-2026 {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}
.form-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.form-label {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: var(--text-body-sm);
  font-weight: 600;
  color: var(--ink-800);
}
.form-label .req {
  color: var(--coral-700);
  font-weight: 600;
}
.form-control {
  width: 100%;
  min-height: 48px;
  padding: 12px 14px;
  border: 1.5px solid rgba(91, 157, 170, 0.25);
  border-radius: 10px;
  font-size: var(--text-body);
  font-family: inherit;
  color: var(--ink-900);
  background: white;
  transition: all 0.2s var(--ease-out-expo);
}
.form-control:hover {
  border-color: rgba(91, 157, 170, 0.45);
}
.form-control:focus {
  outline: none;
  border-color: var(--teal-700);
  box-shadow: 0 0 0 3px rgba(15, 76, 92, 0.1);
}
.form-control::placeholder {
  color: var(--ink-400);
}
.form-textarea {
  min-height: 130px;
  resize: vertical;
  line-height: var(--leading-relaxed);
}

.form-row-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}
@media (min-width: 640px) {
  .form-row-2 {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
  }
}

/* select 包装（自定义箭头） */
.form-select-wrap {
  position: relative;
}
.form-select-wrap .form-control {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  padding-right: 38px;
  cursor: pointer;
}
.form-select-wrap .form-select-caret {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  color: var(--ink-600);
}

/* 提交按钮 */
.form-submit {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 52px;
  padding: 14px 24px;
  margin-top: var(--space-2);
  background: linear-gradient(135deg, #0F4C5C 0%, #1A6B7C 100%);
  color: white;
  border: none;
  border-radius: 12px;
  font-size: var(--text-body);
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.2s var(--ease-out-expo);
  box-shadow:
    0 4px 12px rgba(15, 76, 92, 0.25),
    inset 0 1px 0 rgba(255, 255, 255, 0.15);
}
.form-submit:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow:
    0 8px 24px rgba(15, 76, 92, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
}
.form-submit:active:not(:disabled) {
  transform: translateY(0);
}
.form-submit:disabled {
  cursor: not-allowed;
  opacity: 0.7;
}
.form-submit .form-submit-loading { display: none; }
.form-submit.is-loading .form-submit-label { display: none; }
.form-submit.is-loading .form-submit-loading { display: inline; }
.form-submit.is-loading svg {
  animation: spin 1s linear infinite;
}

.form-privacy {
  font-size: var(--text-caption);
  color: var(--ink-500);
  text-align: center;
  margin: 0;
  line-height: var(--leading-snug);
}

/* 成功提示横幅（保留视图，不刷新页面位置） */
.form-success {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-5);
  margin-bottom: var(--space-6);
  border-radius: 14px;
  background: linear-gradient(135deg, #ECFDF5 0%, #D1FAE5 100%);
  border: 1.5px solid #6EE7B7;
  color: #065F46;
  position: relative;
  animation: slideDown 0.4s var(--ease-spring);
}
@keyframes slideDown {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}
.form-success-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: white;
  color: var(--teal-700);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.form-success-body { flex: 1; min-width: 0; }
.form-success-title {
  display: block;
  font-size: var(--text-body);
  font-weight: 600;
  margin-bottom: 4px;
}
.form-success-desc {
  font-size: var(--text-body-sm);
  line-height: var(--leading-snug);
  opacity: 0.95;
}
.form-success-id {
  display: inline-block;
  margin-left: 6px;
  padding: 1px 8px;
  border-radius: 999px;
  background: rgba(15, 76, 92, 0.1);
  font-weight: 600;
  font-size: var(--text-caption);
}
.form-success-close {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: transparent;
  color: inherit;
  text-decoration: none;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  line-height: 1;
  opacity: 0.5;
  transition: all 0.15s;
}
.form-success-close:hover {
  background: rgba(0, 0, 0, 0.06);
  opacity: 1;
}

/* 错误提示 */
.form-error {
  padding: var(--space-4);
  margin-bottom: var(--space-6);
  border-radius: 12px;
  background: #FFF3F3;
  border: 1.5px solid #FECACA;
  color: #991B1B;
  font-size: var(--text-body-sm);
  line-height: var(--leading-snug);
}
.form-error strong {
  display: block;
  margin-bottom: 2px;
  color: #7F1D1D;
  font-size: var(--text-body);
  font-weight: 600;
}

/* ---------- 移动端适配 ---------- */
@media (max-width: 1023px) {
  .contact-info-panel,
  .contact-form-panel {
    padding: var(--space-6);
  }
}
@media (max-width: 640px) {
  .info-map iframe {
    height: 180px;
  }
  .contact-info-panel,
  .contact-form-panel {
    padding: var(--space-5);
  }
}

/* ---------- 城市卡片（保留） ---------- */
.cities-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
}
@media (min-width: 640px) {
  .cities-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}
@media (min-width: 1024px) {
  .cities-grid {
    grid-template-columns: repeat(8, 1fr);
  }
}
.city-card {
  text-align: center;
  padding: var(--space-5) var(--space-3);
  background: rgba(255, 255, 255, 0.65);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--radius-lg);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.85),
    0 0 0 1px rgba(255, 255, 255, 0.6),
    0 0 0 1.5px rgba(91, 157, 170, 0.08),
    0 4px 12px -4px rgba(15, 76, 92, 0.08);
  transition: all var(--duration-normal) var(--ease-out-expo);
}
.city-card:hover {
  transform: translateY(-4px);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.95),
    0 0 0 1px rgba(255, 255, 255, 0.8),
    0 0 0 1.5px rgba(91, 157, 170, 0.25),
    0 12px 24px -6px rgba(15, 76, 92, 0.15);
}
.city-name {
  font-size: var(--text-body);
  font-weight: var(--weight-semibold);
  color: var(--ink-900);
  margin-bottom: var(--space-1);
}
.city-tag {
  font-size: var(--text-small);
  color: var(--ink-500);
  letter-spacing: var(--tracking-wide);
}