/* ============================================
   万瑞生物 V2 - 强化样式 (更强选择器)
   直接覆盖原有样式，确保生效
   ============================================ */

/* 强制全局字体 */
html body,
html body div,
html body p,
html body span,
html body li,
html body a {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif !important;
}

/* ===== 顶部导航栏强化 ===== */
.wanrui-header,
header.wanrui-header,
.header-wrap {
    background: #fff !important;
    box-shadow: 0 2px 20px rgba(0,0,0,0.08) !important;
    position: relative !important;
    z-index: 1000 !important;
}

/* Logo区域 */
.header-logo img {
    height: 50px !important;
    max-height: 50px !important;
}

/* 导航菜单 */
.nav-menu,
.nav-list,
.main-nav {
    display: flex !important;
    align-items: center !important;
    gap: 30px !important;
}

.nav-menu a,
.nav-list a,
.main-nav a {
    font-size: 15px !important;
    font-weight: 500 !important;
    color: #1a1a2e !important;
    padding: 8px 0 !important;
    position: relative !important;
    transition: all 0.3s ease !important;
}

.nav-menu a:hover,
.nav-list a:hover {
    color: #0b40ae !important;
}

.nav-menu a::after {
    content: '' !important;
    position: absolute !important;
    bottom: 0 !important;
    left: 0 !important;
    width: 0 !important;
    height: 2px !important;
    background: #0b40ae !important;
    transition: width 0.3s ease !important;
}

.nav-menu a:hover::after {
    width: 100% !important;
}

/* 语言切换按钮 */
.lang-switch {
    display: inline-flex !important;
    align-items: center !important;
    background: #f0f4f8 !important;
    border-radius: 20px !important;
    padding: 6px 16px !important;
    font-size: 13px !important;
    color: #0b40ae !important;
    border: 1px solid #0b40ae !important;
    cursor: pointer !important;
    transition: all 0.3s ease !important;
    text-decoration: none !important;
}

.lang-switch:hover {
    background: #0b40ae !important;
    color: #fff !important;
}

/* ===== Hero 轮播区域 ===== */
.banner-section,
.banner,
.carousel-wrapper {
    position: relative !important;
    overflow: hidden !important;
}

.banner-slide img,
.banner img {
    width: 100% !important;
    height: auto !important;
    object-fit: cover !important;
}

/* 轮播指示器 */
.banner-dots,
.carousel-dots {
    position: absolute !important;
    bottom: 30px !important;
    left: 50% !important;
    transform: translateX(-50%) !important;
    display: flex !important;
    gap: 10px !important;
    z-index: 10 !important;
}

/* ===== 核心业务区块 ===== */
.business-section {
    background: #f8f9fc !important;
    padding: 80px 0 !important;
}

.business-title {
    text-align: center !important;
    margin-bottom: 50px !important;
}

.business-title h2 {
    font-size: 32px !important;
    font-weight: 700 !important;
    color: #1a1a2e !important;
    letter-spacing: 2px !important;
    margin-bottom: 10px !important;
}

.business-title p {
    color: #888 !important;
    font-size: 14px !important;
}

/* 业务卡片 */
.business-cards {
    display: grid !important;
    grid-template-columns: repeat(3, 1fr) !important;
    gap: 30px !important;
    max-width: 1200px !important;
    margin: 0 auto !important;
    padding: 0 20px !important;
}

.business-card {
    background: #fff !important;
    border-radius: 16px !important;
    padding: 40px 30px !important;
    text-align: center !important;
    box-shadow: 0 4px 20px rgba(11,64,174,0.08) !important;
    transition: all 0.4s ease !important;
    border: 1px solid #e8eaf0 !important;
}

.business-card:hover {
    transform: translateY(-8px) !important;
    box-shadow: 0 12px 40px rgba(11,64,174,0.15) !important;
    border-color: #0b40ae !important;
}

.business-card .icon {
    width: 70px !important;
    height: 70px !important;
    background: linear-gradient(135deg, #0b40ae, #1a5cd4) !important;
    border-radius: 50% !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    margin: 0 auto 25px !important;
    color: #fff !important;
    font-size: 28px !important;
}

.business-card h3 {
    font-size: 20px !important;
    font-weight: 600 !important;
    color: #1a1a2e !important;
    margin-bottom: 12px !important;
}

.business-card p {
    color: #666 !important;
    font-size: 14px !important;
    line-height: 1.7 !important;
}

.business-card .more {
    display: inline-block !important;
    margin-top: 20px !important;
    color: #0b40ae !important;
    font-size: 14px !important;
    font-weight: 500 !important;
}

/* ===== 产品展示区 ===== */
.product-section {
    padding: 80px 0 !important;
    background: #fff !important;
}

.product-grid {
    display: grid !important;
    grid-template-columns: repeat(4, 1fr) !important;
    gap: 25px !important;
    max-width: 1200px !important;
    margin: 0 auto !important;
    padding: 0 20px !important;
}

.product-card {
    background: #fff !important;
    border-radius: 12px !important;
    overflow: hidden !important;
    box-shadow: 0 2px 15px rgba(0,0,0,0.06) !important;
    transition: all 0.3s ease !important;
    border: 1px solid #f0f0f0 !important;
}

.product-card:hover {
    transform: translateY(-5px) !important;
    box-shadow: 0 8px 30px rgba(11,64,174,0.12) !important;
}

.product-card img {
    width: 100% !important;
    height: 200px !important;
    object-fit: cover !important;
    background: #f8f9fc !important;
}

.product-card .info {
    padding: 20px !important;
}

.product-card h4 {
    font-size: 16px !important;
    font-weight: 600 !important;
    color: #1a1a2e !important;
    margin-bottom: 8px !important;
}

.product-card p {
    font-size: 13px !important;
    color: #888 !important;
    line-height: 1.6 !important;
}

/* ===== 关于我们 ===== */
.about-section {
    background: linear-gradient(135deg, #0b40ae 0%, #1a5cd4 100%) !important;
    padding: 80px 0 !important;
    color: #fff !important;
}

.about-content {
    display: grid !important;
    grid-template-columns: 1fr 1fr !important;
    gap: 60px !important;
    max-width: 1200px !important;
    margin: 0 auto !important;
    padding: 0 20px !important;
    align-items: center !important;
}

.about-text h2 {
    font-size: 36px !important;
    font-weight: 700 !important;
    margin-bottom: 20px !important;
    color: #fff !important;
}

.about-text p {
    font-size: 15px !important;
    line-height: 1.8 !important;
    opacity: 0.9 !important;
    margin-bottom: 25px !important;
    color: #fff !important;
}

.about-btn {
    display: inline-block !important;
    background: #fff !important;
    color: #0b40ae !important;
    padding: 12px 30px !important;
    border-radius: 30px !important;
    font-weight: 600 !important;
    transition: all 0.3s ease !important;
}

.about-btn:hover {
    background: #2ecc71 !important;
    color: #fff !important;
}

/* ===== 新闻资讯 ===== */
.news-section {
    padding: 80px 0 !important;
    background: #f8f9fc !important;
}

.news-grid {
    display: grid !important;
    grid-template-columns: repeat(3, 1fr) !important;
    gap: 30px !important;
    max-width: 1200px !important;
    margin: 0 auto !important;
    padding: 0 20px !important;
}

.news-card {
    background: #fff !important;
    border-radius: 12px !important;
    overflow: hidden !important;
    box-shadow: 0 2px 15px rgba(0,0,0,0.06) !important;
    transition: all 0.3s ease !important;
}

.news-card:hover {
    box-shadow: 0 8px 30px rgba(11,64,174,0.12) !important;
}

.news-card img {
    width: 100% !important;
    height: 180px !important;
    object-fit: cover !important;
}

.news-card .info {
    padding: 25px !important;
}

.news-card .date {
    font-size: 12px !important;
    color: #0b40ae !important;
    margin-bottom: 10px !important;
    font-weight: 500 !important;
}

.news-card h4 {
    font-size: 17px !important;
    font-weight: 600 !important;
    color: #1a1a2e !important;
    margin-bottom: 10px !important;
    line-height: 1.5 !important;
}

.news-card p {
    font-size: 14px !important;
    color: #666 !important;
    line-height: 1.6 !important;
}

/* ===== Footer底部 ===== */
.wanrui-footer,
footer.wanrui-footer {
    background: #0a1628 !important;
    color: #fff !important;
    padding: 60px 0 30px !important;
}

.footer-grid {
    display: grid !important;
    grid-template-columns: 2fr 1fr 1fr 1fr !important;
    gap: 40px !important;
    max-width: 1200px !important;
    margin: 0 auto !important;
    padding: 0 20px !important;
}

.footer-col h4 {
    font-size: 16px !important;
    font-weight: 600 !important;
    margin-bottom: 20px !important;
    color: #fff !important;
}

.footer-col p,
.footer-col li {
    font-size: 14px !important;
    color: rgba(255,255,255,0.7) !important;
    line-height: 1.8 !important;
}

.footer-col a {
    color: rgba(255,255,255,0.7) !important;
    transition: color 0.3s ease !important;
}

.footer-col a:hover {
    color: #2ecc71 !important;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1) !important;
    margin-top: 40px !important;
    padding-top: 25px !important;
    text-align: center !important;
}

.footer-bottom p {
    font-size: 13px !important;
    color: rgba(255,255,255,0.5) !important;
}

/* ===== 响应式 ===== */
@media (max-width: 992px) {
    .business-cards { grid-template-columns: repeat(2, 1fr) !important; }
    .product-grid { grid-template-columns: repeat(2, 1fr) !important; }
    .news-grid { grid-template-columns: repeat(2, 1fr) !important; }
    .about-content { grid-template-columns: 1fr !important; }
    .footer-grid { grid-template-columns: repeat(2, 1fr) !important; }
}

@media (max-width: 576px) {
    .business-cards { grid-template-columns: 1fr !important; }
    .product-grid { grid-template-columns: 1fr !important; }
    .news-grid { grid-template-columns: 1fr !important; }
    .footer-grid { grid-template-columns: 1fr !important; }
    .business-title h2 { font-size: 26px !important; }
}