/* ============================================================
   琦超智能机械 - 专属样式覆盖
   行业：液压升降设备 / 液压机械制造
   配色：工业深蓝 + 橙色警示 + 浅灰底
   ============================================================ */

/* 顶部导航 */
.b2b-shop-header {
  background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 50%, #1e40af 100%);
  box-shadow: 0 2px 12px rgba(15,23,42,.35);
}
.b2b-shop-logo {
  font-size: 20px;
  letter-spacing: 1px;
  color: #fbbf24;
}
.b2b-shop-logo:hover {
  color: #fcd34d;
}
.b2b-shop-nav a {
  font-size: 13px;
  letter-spacing: 0.5px;
}
.b2b-shop-nav a:hover {
  background: rgba(251,191,36,.15);
  color: #fbbf24;
}
.b2b-shop-tel {
  font-size: 16px;
  color: #fbbf24;
}
.b2b-shop-tel a {
  color: #fbbf24;
}

/* Banner */
.b2b-shop-banner {
  background: linear-gradient(160deg, #0f172a 0%, #1e3a5f 40%, #1e40af 100%);
  padding: 56px 0 48px;
}
.b2b-shop-banner h1 {
  font-size: 34px;
  letter-spacing: 2px;
  text-shadow: 0 2px 4px rgba(0,0,0,.3);
  margin-bottom: 14px;
}
.b2b-shop-banner p {
  font-size: 16px;
  opacity: 0.92;
}
.b2b-banner-service-area {
  display: inline-block;
  margin-top: 12px;
  padding: 6px 20px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(251,191,36,.35);
  border-radius: 20px;
  font-size: 14px;
  color: #fbbf24;
  backdrop-filter: blur(4px);
}
.b2b-banner-cta {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  margin-top: 20px;
  padding: 14px 36px;
  background: linear-gradient(135deg, #ea580c, #c2410c);
  border-radius: 30px;
  color: #fff;
  text-decoration: none;
  box-shadow: 0 4px 16px rgba(234,88,12,.35);
  transition: transform 0.2s, box-shadow 0.2s;
}
.b2b-banner-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(234,88,12,.5);
  text-decoration: none;
  color: #fff;
}
.b2b-banner-cta-tel {
  font-size: 22px;
  font-weight: bold;
  letter-spacing: 1px;
  line-height: 1.3;
}
.b2b-banner-cta-text {
  font-size: 13px;
  opacity: 0.9;
  margin-top: 2px;
}

/* 板块通用 */
.b2b-shop-section {
  padding: 52px 0;
}
.b2b-shop-section:nth-child(even) {
  background: #f1f5f9;
}
.b2b-shop-section:nth-child(odd) {
  background: #fff;
}
.b2b-shop-section-title {
  color: #1e3a5f;
  font-size: 26px;
  position: relative;
  font-weight: 700;
}
.b2b-shop-section-title::after {
  content: '';
  display: block;
  width: 48px;
  height: 3px;
  background: linear-gradient(90deg, #ea580c, #fbbf24);
  margin: 10px auto 0;
  border-radius: 2px;
}
.b2b-shop-section-en {
  color: #94a3b8;
  letter-spacing: 3px;
}
.b2b-shop-section-desc {
  color: #475569;
}

/* 板块介绍文字 */
.b2b-section-intro {
  font-size: 15px;
  line-height: 1.9;
  color: #334155;
  margin-bottom: 25px;
  text-align: justify;
}

/* 关于我们 */
.b2b-about-text {
  color: #1e293b;
  line-height: 2.1;
  font-size: 15px;
}
.b2b-about-stat-num {
  color: #ea580c;
  font-size: 30px;
}
.b2b-about-stat-label {
  color: #64748b;
}
.b2b-about-image img {
  border-radius: 10px;
  box-shadow: 0 6px 20px rgba(30,58,95,.15);
  border: 3px solid #dbeafe;
}
.b2b-about-contact {
  margin-top: 24px;
  padding: 16px 20px;
  background: #f1f5f9;
  border-radius: 8px;
  border-left: 4px solid #ea580c;
}
.b2b-about-contact p {
  margin: 6px 0;
  font-size: 14px;
  color: #1e293b;
}
.b2b-about-contact a {
  color: #1e40af;
  text-decoration: none;
  font-weight: 500;
}
.b2b-about-contact a:hover {
  text-decoration: underline;
}

/* 产品中心 */
.b2b-product-card {
  border-radius: 10px;
  border: 1px solid #dbeafe;
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}
.b2b-product-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 24px rgba(30,58,95,.12);
  border-color: #3b82f6;
}
.b2b-product-card img {
  height: 190px;
}
.b2b-product-card-title {
  color: #1e3a5f;
  font-weight: 600;
}

/* 规格参数表 */
.b2b-spec-table {
  width: 100%;
  border-collapse: collapse;
  margin: 25px 0;
  font-size: 14px;
  border-radius: 8px;
  overflow: hidden;
}
.b2b-spec-table thead th {
  background: #1e3a5f;
  color: #fff;
  padding: 12px 18px;
  text-align: left;
  font-weight: 500;
  font-size: 14px;
}
.b2b-spec-table tbody td {
  padding: 11px 18px;
  border-bottom: 1px solid #dbeafe;
  color: #1e293b;
  line-height: 1.6;
}
.b2b-spec-table tbody tr:nth-child(even) {
  background: #f1f5f9;
}
.b2b-spec-table tbody tr:hover {
  background: #dbeafe;
}

/* 核心优势 */
.b2b-advantage-card {
  border-radius: 10px;
  border: 1px solid #dbeafe;
  padding: 32px 20px;
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}
.b2b-advantage-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(30,58,95,.1);
  border-color: #3b82f6;
}
.b2b-advantage-icon {
  width: 56px;
  height: 56px;
  line-height: 56px;
  margin: 0 auto 14px;
  background: linear-gradient(135deg, #dbeafe, #bfdbfe);
  border-radius: 50%;
  font-size: 28px;
}
.b2b-advantage-title {
  color: #1e3a5f;
}
.b2b-advantage-desc {
  color: #475569;
}

/* 服务流程 */
.b2b-process-card {
  background: #fff;
  border-radius: 10px;
  padding: 28px 16px;
  border: 1px solid #dbeafe;
  transition: border-color 0.2s;
}
.b2b-process-card:hover {
  border-color: #3b82f6;
}
.b2b-process-icon {
  width: 52px;
  height: 52px;
  line-height: 52px;
  margin: 0 auto 14px;
  background: linear-gradient(135deg, #1e3a5f, #1e40af);
  border-radius: 50%;
  font-size: 24px;
  color: #fbbf24;
}
.b2b-process-title {
  color: #1e3a5f;
}
.b2b-process-desc {
  color: #475569;
}

/* 联系我们 */
.b2b-contact-card {
  border-radius: 10px;
  border: 1px solid #dbeafe;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.b2b-contact-card:hover {
  border-color: #3b82f6;
  box-shadow: 0 4px 12px rgba(30,64,175,.12);
}
.b2b-contact-value a {
  color: #1e3a5f;
  font-weight: bold;
}
.b2b-contact-value a:hover {
  color: #ea580c;
}

/* 推荐链接 */
.b2b-recommend-wrap {
  background: #f1f5f9;
  border-radius: 8px;
}
.b2b-recommend-group-title {
  color: #1e3a5f;
}
.b2b-recommend-links a {
  background: #dbeafe;
  color: #1e3a5f;
  border-radius: 4px;
  padding: 5px 12px;
  font-size: 13px;
  transition: all 0.2s;
}
.b2b-recommend-links a:hover {
  background: #bfdbfe;
  color: #1e40af;
}

/* 底部 */
.b2b-shop-footer {
  background: #0f172a;
  color: #94a3b8;
}
.b2b-shop-footer a {
  color: #fbbf24;
}

/* 手机端悬浮拨号按钮 */
@media (max-width: 768px) {
  .b2b-mobile-call-btn {
    background: linear-gradient(135deg, #1e3a5f, #1e40af);
    box-shadow: 0 2px 8px rgba(30,58,95,.4);
  }
  .b2b-mobile-call-btn:hover {
    box-shadow: 0 4px 12px rgba(30,58,95,.5);
  }
}

/* 响应式调整 */
@media (max-width: 768px) {
  .b2b-shop-banner {
    padding: 36px 0 32px;
  }
  .b2b-shop-banner h1 {
    font-size: 24px;
  }
  .b2b-banner-cta {
    padding: 12px 28px;
    width: 88%;
  }
  .b2b-banner-cta-tel {
    font-size: 18px;
  }
  .b2b-shop-section {
    padding: 36px 0;
  }
  .b2b-shop-section-title {
    font-size: 22px;
  }
  .b2b-about-contact {
    padding: 12px 14px;
  }
  .b2b-spec-table {
    font-size: 13px;
    display: block;
    overflow-x: auto;
  }
  .b2b-section-intro {
    font-size: 14px;
  }
}