/* ============================================================
   万商数字科技 - 专属样式覆盖
   科技/软件行业主题：深蓝+青色，专业可信
   ============================================================ */

:root {
  --ws-primary: #1e40af;
  --ws-primary-light: #3b82f6;
  --ws-primary-bg: #eff6ff;
  --ws-accent: #0891b2;
  --ws-accent-light: #cffafe;
  --ws-dark: #0f172a;
  --ws-text: #334155;
  --ws-text-light: #64748b;
  --ws-border: #e2e8f0;
  --ws-bg: #f8fafc;
  --ws-shadow: 0 1px 3px rgba(0,0,0,.08);
  --ws-shadow-lg: 0 4px 16px rgba(0,0,0,.1);
  --ws-radius: 8px;
}

/* ========== 顶部导航 ========== */
.b2b-shop-header {
  background: linear-gradient(135deg, var(--ws-dark) 0%, var(--ws-primary) 100%);
  border-bottom: none;
}
.b2b-shop-header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.b2b-shop-logo {
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 1px;
}
.b2b-shop-logo:hover {
  text-decoration: none;
  opacity: .9;
}
.b2b-shop-header .b2b-shop-nav a {
  color: rgba(255,255,255,.85);
  font-size: 14px;
  padding: 6px 14px;
  border-radius: 4px;
  transition: all .2s;
}
.b2b-shop-header .b2b-shop-nav a:hover {
  color: #fff;
  background: rgba(255,255,255,.12);
  text-decoration: none;
}
.b2b-shop-header .b2b-shop-tel a {
  background: var(--ws-accent);
  color: #fff;
  padding: 8px 20px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 14px;
  transition: background .2s;
}
.b2b-shop-header .b2b-shop-tel a:hover {
  background: #0e7490;
  text-decoration: none;
}

/* ========== Banner ========== */
.b2b-shop-banner {
  background: linear-gradient(135deg, var(--ws-primary) 0%, #1d4ed8 40%, var(--ws-accent) 100%);
  padding: 56px 0 48px;
  text-align: center;
  color: #fff;
}
.b2b-shop-banner h1 {
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 12px;
  letter-spacing: 2px;
  text-shadow: 0 2px 4px rgba(0,0,0,.15);
}
.b2b-shop-banner > .container > p {
  font-size: 16px;
  opacity: .92;
  margin-bottom: 8px;
}
.ws-service-area {
  font-size: 14px;
  opacity: .8;
  margin-bottom: 20px;
}
.ws-call-btn {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  background: var(--ws-accent);
  color: #fff;
  padding: 14px 36px;
  border-radius: 8px;
  font-weight: 600;
  transition: all .3s;
  box-shadow: 0 4px 12px rgba(8,145,178,.35);
}
.ws-call-btn:hover {
  background: #0e7490;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(8,145,178,.45);
  text-decoration: none;
  color: #fff;
}
.ws-call-btn .ws-tel-number {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 1px;
}
.ws-call-btn .ws-btn-text {
  font-size: 13px;
  opacity: .9;
}

/* ========== 通用板块 ========== */
.b2b-shop-section {
  padding: 48px 0;
}
.b2b-shop-section:nth-child(even) {
  background: var(--ws-bg);
}
.b2b-shop-section-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--ws-dark);
  text-align: center;
  margin-bottom: 8px;
}
.b2b-shop-section-en {
  display: block;
  font-size: 13px;
  font-weight: 400;
  color: var(--ws-text-light);
  margin-top: 4px;
  letter-spacing: 1px;
}
.b2b-shop-section-desc {
  text-align: center;
  color: var(--ws-text-light);
  font-size: 15px;
  margin-bottom: 32px;
}

/* ========== 关于我们 ========== */
.b2b-about-wrap {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 40px;
  align-items: start;
}
.b2b-about-text {
  font-size: 15px;
  line-height: 1.85;
  color: var(--ws-text);
  margin-bottom: 20px;
}
.b2b-about-stats {
  display: flex;
  gap: 32px;
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--ws-border);
}
.b2b-about-stats > div {
  text-align: center;
  flex: 1;
}
.b2b-about-stat-num {
  font-size: 32px;
  font-weight: 800;
  color: var(--ws-primary);
  line-height: 1.2;
}
.b2b-about-stat-label {
  font-size: 13px;
  color: var(--ws-text-light);
  margin-top: 4px;
}
.b2b-about-image {
  border-radius: var(--ws-radius);
  overflow: hidden;
  box-shadow: var(--ws-shadow-lg);
}
.b2b-about-image img {
  width: 100%;
  display: block;
}

/* 关于我们 - 联系方式行 */
.ws-about-contact {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  margin-top: 20px;
  padding: 16px 20px;
  background: var(--ws-primary-bg);
  border: 1px solid #bfdbfe;
  border-radius: var(--ws-radius);
}
.ws-about-contact .ws-contact-inline {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: var(--ws-text);
}
.ws-about-contact .ws-contact-inline .label {
  color: var(--ws-text-light);
  font-size: 13px;
}
.ws-about-contact .ws-contact-inline .value {
  font-weight: 600;
  color: var(--ws-primary);
}
.ws-about-contact .ws-contact-inline .value a {
  color: var(--ws-primary);
}

/* ========== 产品卡片 ========== */
.b2b-product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
}
.b2b-product-card {
  background: #fff;
  border: 1px solid var(--ws-border);
  border-radius: var(--ws-radius);
  overflow: hidden;
  box-shadow: var(--ws-shadow);
  transition: all .25s;
}
.b2b-product-card:hover {
  box-shadow: var(--ws-shadow-lg);
  transform: translateY(-3px);
  border-color: var(--ws-primary-light);
}
.b2b-product-card img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  display: block;
  background: var(--ws-bg);
}
.b2b-product-card-body {
  padding: 14px 16px;
}
.b2b-product-card-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--ws-dark);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ========== 产品详细介绍 ========== */
.ws-products-intro {
  margin-top: 32px;
}
.ws-product-detail {
  background: #fff;
  border: 1px solid var(--ws-border);
  border-radius: var(--ws-radius);
  padding: 20px 24px;
  margin-bottom: 16px;
  box-shadow: var(--ws-shadow);
}
.ws-product-detail:last-child {
  margin-bottom: 0;
}
.ws-product-detail h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--ws-dark);
  margin-bottom: 8px;
}
.ws-product-detail p {
  font-size: 14px;
  color: var(--ws-text);
  line-height: 1.8;
}

/* ========== 核心优势 ========== */
.b2b-advantage-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}
.b2b-advantage-card {
  background: #fff;
  border: 1px solid var(--ws-border);
  border-radius: var(--ws-radius);
  padding: 28px 24px;
  text-align: center;
  box-shadow: var(--ws-shadow);
  transition: all .25s;
}
.b2b-advantage-card:hover {
  box-shadow: var(--ws-shadow-lg);
  transform: translateY(-2px);
  border-color: var(--ws-primary-light);
}
.b2b-advantage-icon {
  font-size: 36px;
  margin-bottom: 12px;
  display: block;
}
.b2b-advantage-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--ws-dark);
  margin-bottom: 8px;
}
.b2b-advantage-desc {
  font-size: 14px;
  color: var(--ws-text-light);
  line-height: 1.6;
}

/* ========== 客户案例 ========== */
.ws-case-category {
  margin-bottom: 24px;
}
.ws-case-category-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--ws-primary);
  margin-bottom: 12px;
  padding-left: 12px;
  border-left: 3px solid var(--ws-primary);
}
.ws-case-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 12px;
}
.ws-case-item {
  background: #fff;
  border: 1px solid var(--ws-border);
  border-radius: 6px;
  padding: 14px 18px;
  font-size: 14px;
  color: var(--ws-text);
  line-height: 1.6;
  transition: all .2s;
}
.ws-case-item:hover {
  border-color: var(--ws-primary-light);
  box-shadow: var(--ws-shadow);
}
.ws-case-item .case-client {
  font-weight: 600;
  color: var(--ws-dark);
}
.ws-case-item .case-project {
  color: var(--ws-text-light);
  font-size: 13px;
}

/* ========== 服务流程 ========== */
.b2b-process-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 16px;
}
.b2b-process-card {
  background: #fff;
  border: 1px solid var(--ws-border);
  border-radius: var(--ws-radius);
  padding: 24px 16px;
  text-align: center;
  box-shadow: var(--ws-shadow);
  transition: all .25s;
  position: relative;
}
.b2b-process-card:hover {
  box-shadow: var(--ws-shadow-lg);
  transform: translateY(-2px);
}
.b2b-process-icon {
  font-size: 32px;
  margin-bottom: 10px;
  display: block;
}
.b2b-process-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--ws-dark);
  margin-bottom: 6px;
}
.b2b-process-desc {
  font-size: 13px;
  color: var(--ws-text-light);
  line-height: 1.5;
}
.ws-process-closing {
  text-align: center;
  margin-top: 24px;
  font-size: 14px;
  color: var(--ws-text-light);
  line-height: 1.8;
}

/* ========== 联系我们 ========== */
.b2b-contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.b2b-contact-card {
  background: #fff;
  border: 1px solid var(--ws-border);
  border-radius: var(--ws-radius);
  padding: 28px 24px;
  text-align: center;
  box-shadow: var(--ws-shadow);
  transition: all .25s;
}
.b2b-contact-card:hover {
  box-shadow: var(--ws-shadow-lg);
  border-color: var(--ws-primary-light);
}
.b2b-contact-icon {
  font-size: 32px;
  margin-bottom: 10px;
  display: block;
}
.b2b-contact-label {
  font-size: 13px;
  color: var(--ws-text-light);
  margin-bottom: 6px;
}
.b2b-contact-value {
  font-size: 16px;
  font-weight: 600;
  color: var(--ws-dark);
}
.b2b-contact-value a {
  color: var(--ws-primary);
}

/* ========== 合作伙伴/友情链接 ========== */
.b2b-recommend-wrap {
  background: #fff;
  border-top: 1px solid var(--ws-border);
  padding: 40px 20px;
  max-width: 1200px;
  margin: 0 auto;
}
.b2b-recommend-group {
  margin-bottom: 20px;
}
.b2b-recommend-group-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--ws-dark);
  margin-bottom: 12px;
  padding-left: 12px;
  border-left: 3px solid var(--ws-primary);
}
.b2b-recommend-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.b2b-recommend-links a {
  font-size: 13px;
  color: var(--ws-text-light);
  padding: 4px 12px;
  border-radius: 4px;
  background: var(--ws-bg);
  border: 1px solid var(--ws-border);
  transition: all .2s;
}
.b2b-recommend-links a:hover {
  color: var(--ws-primary);
  background: var(--ws-primary-bg);
  border-color: var(--ws-primary-light);
  text-decoration: none;
}

/* ========== 底部 ========== */
.b2b-shop-footer {
  background: var(--ws-dark);
  color: #cbd5e1;
  padding: 32px 20px 20px;
  text-align: center;
}
.b2b-shop-footer p {
  font-size: 13px;
  line-height: 1.8;
  margin-bottom: 4px;
}
.b2b-shop-footer a {
  color: #93c5fd;
}
.b2b-shop-footer a:hover {
  color: #bfdbfe;
}

/* ========== 移动端悬浮按钮 ========== */
.b2b-mobile-call-float {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 200;
  background: linear-gradient(135deg, var(--ws-primary), var(--ws-accent));
  padding: 10px 20px;
  text-align: center;
  box-shadow: 0 -2px 10px rgba(0,0,0,.15);
}
.b2b-mobile-call-btn {
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 1px;
}
.b2b-mobile-call-btn:hover {
  text-decoration: none;
  opacity: .9;
}

/* ========== 响应式 ========== */
@media (max-width: 768px) {
  .b2b-shop-header-inner {
    height: auto;
    flex-direction: column;
    padding: 12px 16px;
    gap: 8px;
  }
  .b2b-shop-banner {
    padding: 32px 16px;
  }
  .b2b-shop-banner h1 {
    font-size: 22px;
  }
  .ws-call-btn {
    padding: 12px 28px;
  }
  .ws-call-btn .ws-tel-number {
    font-size: 18px;
  }
  .b2b-about-wrap {
    grid-template-columns: 1fr;
  }
  .b2b-about-image {
    order: -1;
  }
  .b2b-about-stats {
    gap: 16px;
  }
  .b2b-about-stat-num {
    font-size: 24px;
  }
  .b2b-product-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  .b2b-advantage-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  .ws-case-grid {
    grid-template-columns: 1fr;
  }
  .b2b-process-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  .b2b-contact-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .ws-about-contact {
    flex-direction: column;
    gap: 10px;
  }
}
@media (max-width: 480px) {
  .b2b-shop-banner h1 {
    font-size: 20px;
  }
  .b2b-product-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }
  .b2b-advantage-grid {
    grid-template-columns: 1fr;
  }
  .b2b-process-grid {
    grid-template-columns: 1fr;
  }
  .b2b-shop-section {
    padding: 32px 0;
  }
  .b2b-shop-section-title {
    font-size: 20px;
  }
}