/* ========================================
   联系我们页 - 表单 + 地图风格模板
   独特设计：左侧信息卡 + 右侧表单的沉浸式布局
   ======================================== */

/* --- 顶部 Banner：分屏式 hero --- */
.contact-hero {
  position: relative;
  min-height: 56vh;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  background: var(--color-ink);
  overflow: hidden;
}
.contact-hero-left {
  padding: 5rem 4rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  z-index: 2;
}
.contact-hero-left .breadcrumb {
  color: var(--color-stone);
  font-size: 0.85rem;
  margin-bottom: 1.5rem;
  letter-spacing: 0.05em;
}
.contact-hero-left .breadcrumb a { color: var(--color-accent); }
.contact-hero-left h1 {
  font-family: 'Noto Serif SC', serif;
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 900;
  color: var(--color-cream);
  line-height: 1.1;
  margin-bottom: 1.2rem;
}
.contact-hero-left h1 .accent-bar {
  display: block;
  width: 60px;
  height: 4px;
  background: var(--color-primary);
  margin-top: 1rem;
}
.contact-hero-left .lead {
  color: var(--color-mist);
  font-size: 1.05rem;
  line-height: 1.8;
  max-width: 460px;
  margin-bottom: 2rem;
}
.contact-hero-quick {
  display: flex;
  gap: 2.5rem;
  flex-wrap: wrap;
}
.contact-hero-quick .quick-item {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}
.contact-hero-quick .quick-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(212,165,116,0.15);
  border: 1px solid rgba(212,165,116,0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--color-accent);
}
.contact-hero-quick .quick-label {
  font-size: 0.72rem;
  color: var(--color-stone);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.contact-hero-quick .quick-value {
  font-size: 0.95rem;
  color: var(--color-cream);
  font-weight: 500;
}
.contact-hero-right {
  position: relative;
  background:
    linear-gradient(135deg, rgba(185,28,28,0.55), rgba(26,26,26,0.85)),
    url('../images/factory.jpg') center/cover no-repeat;
}
.contact-hero-right::before {
  content: 'CONTACT';
  position: absolute;
  bottom: -1rem;
  right: -0.5rem;
  font-family: 'Noto Serif SC', serif;
  font-size: clamp(4rem, 10vw, 8rem);
  font-weight: 900;
  color: rgba(255,255,255,0.06);
  letter-spacing: 0.05em;
  line-height: 0.8;
}
@media (max-width: 1024px) {
  .contact-hero { grid-template-columns: 1fr; min-height: auto; }
  .contact-hero-left { padding: 3.5rem 2rem; }
  .contact-hero-right { min-height: 240px; }
}

/* --- 主体区：信息栏 + 表单 --- */
.contact-main {
  background: var(--color-cream);
  padding: 4rem 0 5rem;
}
.contact-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 3rem;
  align-items: start;
}
@media (max-width: 900px) {
  .contact-grid { grid-template-columns: 1fr; }
}

/* 左侧信息栏 */
.contact-info-col {
  position: sticky;
  top: 100px;
}
.info-card {
  background: #fff;
  border-radius: 14px;
  padding: 2rem;
  margin-bottom: 1.5rem;
  box-shadow: 0 8px 28px rgba(26,26,26,0.06);
  border-top: 3px solid var(--color-primary);
}
.info-card h3 {
  font-family: 'Noto Serif SC', serif;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-ink);
  margin-bottom: 1.4rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.info-card h3 .dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--color-primary);
}
.info-list { list-style: none; padding: 0; margin: 0; }
.info-list li {
  display: flex;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px dashed var(--color-mist);
}
.info-list li:last-child { border-bottom: none; }
.info-list .il-icon {
  flex-shrink: 0;
  width: 40px; height: 40px;
  border-radius: 10px;
  background: var(--color-cream);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
}
.info-list .il-label {
  font-size: 0.72rem;
  color: var(--color-stone);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.15rem;
}
.info-list .il-value {
  font-size: 0.95rem;
  color: var(--color-ink);
  font-weight: 500;
  line-height: 1.5;
}

/* 分公司折叠列表 */
.branch-card .branch-item {
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--color-mist);
}
.branch-card .branch-item:last-child { border-bottom: none; }
.branch-card .branch-name {
  font-weight: 700;
  color: var(--color-ink);
  font-size: 0.95rem;
  margin-bottom: 0.2rem;
}
.branch-card .branch-addr {
  font-size: 0.85rem;
  color: var(--color-slate);
  line-height: 1.5;
}

/* 右侧表单区 */
.contact-form-wrap {
  background: #fff;
  border-radius: 14px;
  padding: 2.5rem;
  box-shadow: 0 8px 28px rgba(26,26,26,0.06);
}
.contact-form-wrap .form-head {
  margin-bottom: 2rem;
}
.contact-form-wrap .form-head .tag {
  display: inline-block;
  background: rgba(185,28,28,0.08);
  color: var(--color-primary);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.3rem 0.8rem;
  border-radius: 20px;
  letter-spacing: 0.06em;
  margin-bottom: 0.8rem;
}
.contact-form-wrap .form-head h2 {
  font-family: 'Noto Serif SC', serif;
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--color-ink);
  margin-bottom: 0.5rem;
}
.contact-form-wrap .form-head p {
  color: var(--color-slate);
  font-size: 0.92rem;
  line-height: 1.6;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
  margin-bottom: 1.2rem;
}
.form-field { display: flex; flex-direction: column; }
.form-field.full { grid-column: 1 / -1; }
.form-field label {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--color-ink);
  margin-bottom: 0.5rem;
}
.form-field label .req { color: var(--color-primary); }
.form-field input,
.form-field select,
.form-field textarea {
  border: 1.5px solid var(--color-mist);
  border-radius: 10px;
  padding: 0.8rem 1rem;
  font-size: 0.92rem;
  font-family: 'Noto Sans SC', sans-serif;
  color: var(--color-ink);
  background: var(--color-cream);
  transition: border-color 0.25s, background 0.25s, box-shadow 0.25s;
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(185,28,28,0.1);
}
.form-field textarea { resize: vertical; min-height: 110px; }
.form-consent {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  margin: 1.2rem 0 1.6rem;
  font-size: 0.82rem;
  color: var(--color-slate);
  line-height: 1.5;
}
.form-consent input { margin-top: 0.2rem; }
.form-consent a { color: var(--color-primary); }
.form-submit {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}
.btn-send {
  background: var(--color-primary);
  color: #fff;
  border: none;
  padding: 0.95rem 2.4rem;
  border-radius: 10px;
  font-size: 1rem;
  font-weight: 700;
  font-family: 'Noto Sans SC', sans-serif;
  cursor: pointer;
  transition: background 0.25s, transform 0.15s;
}
.btn-send:hover { background: var(--color-primary-dark); transform: translateY(-2px); }
.form-submit .form-hint {
  font-size: 0.8rem;
  color: var(--color-stone);
}

/* --- 地图区 --- */
.contact-map {
  background: var(--color-ink);
  padding: 4rem 0;
}
.contact-map .map-head {
  text-align: center;
  margin-bottom: 2.5rem;
}
.contact-map .map-head .section-tag {
  background: rgba(212,165,116,0.15);
  color: var(--color-accent);
  border-color: rgba(212,165,116,0.4);
}
.contact-map .map-head h2 {
  font-family: 'Noto Serif SC', serif;
  font-size: 2rem;
  color: var(--color-cream);
  margin-top: 0.8rem;
}
.contact-map .map-head p {
  color: var(--color-stone);
  margin-top: 0.5rem;
}
.map-frame {
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 12px 40px rgba(0,0,0,0.4);
  border: 1px solid rgba(212,165,116,0.2);
}
.map-frame iframe {
  display: block;
  width: 100%;
  height: 420px;
  border: 0;
  filter: grayscale(0.3) contrast(1.05);
}
@media (max-width: 600px) {
  .map-frame iframe { height: 300px; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form-wrap { padding: 1.8rem; }
}

/* --- 销售网络区 --- */
.legacy-network {
    display: none !important;
}

.contact-network {
  background: var(--color-cream);
  padding: 4rem 0;
}
.network-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.2rem;
  margin-top: 2.5rem;
}
@media (max-width: 900px) { .network-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .network-grid { grid-template-columns: 1fr; } }
.network-card {
  background: #fff;
  border-radius: 12px;
  padding: 1.6rem;
  text-align: center;
  box-shadow: 0 6px 20px rgba(26,26,26,0.05);
  transition: transform 0.25s, box-shadow 0.25s;
}
.network-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(185,28,28,0.12);
}
.network-card .nc-flag {
  font-size: 1.8rem;
  margin-bottom: 0.6rem;
}
.network-card .nc-city {
  font-weight: 700;
  color: var(--color-ink);
  font-size: 1.05rem;
  margin-bottom: 0.3rem;
}
.network-card .nc-type {
  font-size: 0.8rem;
  color: var(--color-primary);
  font-weight: 500;
  margin-bottom: 0.6rem;
}
.network-card .nc-addr {
  font-size: 0.82rem;
  color: var(--color-slate);
  line-height: 1.5;
}

/* --- 底部 CTA 横条 --- */
.contact-cta {
  background: linear-gradient(120deg, var(--color-primary), var(--color-primary-dark));
  padding: 3.5rem 0;
  text-align: center;
}
.contact-cta h2 {
  font-family: 'Noto Serif SC', serif;
  font-size: 1.8rem;
  color: #fff;
  margin-bottom: 0.6rem;
}
.contact-cta p {
  color: rgba(255,255,255,0.85);
  margin-bottom: 1.6rem;
}
.contact-cta .cta-btns {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}
.contact-cta .cta-btns a {
  padding: 0.85rem 2rem;
  border-radius: 10px;
  font-weight: 700;
  font-size: 0.95rem;
  transition: all 0.25s;
}
.contact-cta .cta-light {
  background: #fff;
  color: var(--color-primary);
}
.contact-cta .cta-light:hover { background: var(--color-cream); }
.contact-cta .cta-ghost {
  border: 1.5px solid rgba(255,255,255,0.6);
  color: #fff;
}
.contact-cta .cta-ghost:hover { background: rgba(255,255,255,0.12); border-color: #fff; }