/* ============================================================
   马砦精诚机械 - 专属样式覆盖
   行业：面制品机械设备制造
   配色：深蓝工业色 + 钢灰 + 橙色警示强调
   ============================================================ */

/* 顶部导航 */
.b2b-shop-header {
    background: linear-gradient(135deg, #1a3a5c 0%, #234b73 50%, #2c5d8a 100%);
    box-shadow: 0 2px 12px rgba(26,58,92,.3);
}
.b2b-shop-logo {
    font-size: 20px;
    letter-spacing: 1px;
    color: #e8a84c;
}
.b2b-shop-logo:hover {
    color: #f0b95f;
}
.b2b-shop-nav a {
    font-size: 13px;
    letter-spacing: 0.5px;
}
.b2b-shop-nav a:hover {
    background: rgba(232,168,76,.15);
    color: #e8a84c;
}
.b2b-shop-tel {
    font-size: 16px;
    color: #e8a84c;
}
.b2b-shop-tel a { color: #e8a84c; }

/* Banner */
.b2b-shop-banner {
    background: linear-gradient(160deg, #1a3a5c 0%, #234b73 40%, #3a7cbd 100%);
    padding: 56px 0 48px;
}
.b2b-shop-banner h1 {
    font-size: 34px;
    letter-spacing: 2px;
    text-shadow: 0 2px 4px rgba(0,0,0,.25);
    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,.1);
    border: 1px solid rgba(232,168,76,.35);
    border-radius: 20px;
    font-size: 14px;
    color: #e8a84c;
    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, #e8a84c, #d4922e);
    border-radius: 30px;
    color: #fff;
    text-decoration: none;
    box-shadow: 0 4px 16px rgba(232,168,76,.35);
    transition: transform 0.2s, box-shadow 0.2s;
}
.b2b-banner-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(232,168,76,.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: #f5f7fa;
}
.b2b-shop-section:nth-child(odd) {
    background: #fff;
}
.b2b-shop-section-title {
    color: #1a3a5c;
    font-size: 26px;
    position: relative;
    font-weight: 700;
}
.b2b-shop-section-title::after {
    content: '';
    display: block;
    width: 48px;
    height: 3px;
    background: linear-gradient(90deg, #e8a84c, #f0c878);
    margin: 10px auto 0;
    border-radius: 2px;
}
.b2b-shop-section-en {
    color: #8ba4bc;
    letter-spacing: 3px;
}
.b2b-shop-section-desc {
    color: #5a6a7a;
}

/* 关于我们 */
.b2b-about-text {
    color: #3a4a5a;
    line-height: 2.1;
    font-size: 15px;
}
.b2b-about-stat-num {
    color: #e8a84c;
    font-size: 30px;
}
.b2b-about-stat-label {
    color: #7a8a9a;
}
.b2b-about-image img {
    border-radius: 10px;
    box-shadow: 0 6px 20px rgba(26,58,92,.15);
    border: 3px solid #dce4ed;
}
.b2b-about-contact {
    margin-top: 24px;
    padding: 16px 20px;
    background: #f5f7fa;
    border-radius: 8px;
    border-left: 4px solid #e8a84c;
}
.b2b-about-contact p {
    margin: 6px 0;
    font-size: 14px;
    color: #3a4a5a;
}
.b2b-about-contact a {
    color: #e8a84c;
    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 #dce4ed;
    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(26,58,92,.1);
    border-color: #e8a84c;
}
.b2b-product-card img {
    height: 190px;
}
.b2b-product-card-title {
    color: #1a3a5c;
    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: #1a3a5c;
    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 #dce4ed;
    color: #3a4a5a;
    line-height: 1.6;
}
.b2b-spec-table tbody tr:nth-child(even) {
    background: #f5f7fa;
}
.b2b-spec-table tbody tr:hover {
    background: #eaeff5;
}

/* 板块介绍文字 */
.b2b-section-intro {
    font-size: 15px;
    line-height: 1.9;
    color: #3a4a5a;
    margin-bottom: 25px;
    text-align: justify;
}

/* 核心优势 */
.b2b-advantage-card {
    border-radius: 10px;
    border: 1px solid #dce4ed;
    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(26,58,92,.08);
    border-color: #e8a84c;
}
.b2b-advantage-icon {
    width: 56px;
    height: 56px;
    line-height: 56px;
    margin: 0 auto 14px;
    background: linear-gradient(135deg, #f5f7fa, #dce4ed);
    border-radius: 50%;
    font-size: 28px;
}
.b2b-advantage-title {
    color: #1a3a5c;
}
.b2b-advantage-desc {
    color: #5a6a7a;
}

/* 服务流程 */
.b2b-process-card {
    background: #fff;
    border-radius: 10px;
    padding: 28px 16px;
    border: 1px solid #dce4ed;
    transition: border-color 0.2s;
}
.b2b-process-card:hover {
    border-color: #e8a84c;
}
.b2b-process-icon {
    width: 52px;
    height: 52px;
    line-height: 52px;
    margin: 0 auto 14px;
    background: linear-gradient(135deg, #1a3a5c, #2c5d8a);
    border-radius: 50%;
    font-size: 24px;
    color: #e8a84c;
}
.b2b-process-title {
    color: #1a3a5c;
}
.b2b-process-desc {
    color: #5a6a7a;
}

/* 联系我们 */
.b2b-contact-card {
    border-radius: 10px;
    border: 1px solid #dce4ed;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.b2b-contact-card:hover {
    border-color: #e8a84c;
    box-shadow: 0 4px 12px rgba(232,168,76,.12);
}
.b2b-contact-value a {
    color: #1a3a5c;
    font-weight: bold;
}
.b2b-contact-value a:hover {
    color: #e8a84c;
}

/* 推荐链接 */
.b2b-recommend-wrap {
    background: #f5f7fa;
    border-radius: 8px;
}
.b2b-recommend-group-title {
    color: #1a3a5c;
}
.b2b-recommend-links a {
    background: #eaeff5;
    color: #5a6a7a;
    border-radius: 4px;
    padding: 5px 12px;
    font-size: 13px;
    transition: all 0.2s;
}
.b2b-recommend-links a:hover {
    background: #dce4ed;
    color: #1a3a5c;
}

/* 底部 */
.b2b-shop-footer {
    background: #1a3a5c;
    color: #8ba4bc;
}
.b2b-shop-footer a {
    color: #e8a84c;
}

/* 手机端悬浮拨号按钮 */
@media (max-width: 768px) {
    .b2b-mobile-call-btn {
        background: linear-gradient(135deg, #1a3a5c, #2c5d8a);
        box-shadow: 0 2px 8px rgba(26,58,92,.4);
    }
    .b2b-mobile-call-btn:hover {
        box-shadow: 0 4px 12px rgba(26,58,92,.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;
    }
}