body{background-color: #f5f5f5;}
.hero-section {
    background: var(--gradient-tech-10);
}
.hero-section::before {

background: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cdefs%3E%3Cpattern id='atom' width='100' height='100' patternUnits='userSpaceOnUse'%3E%3Ccircle cx='50' cy='50' r='3' fill='%23ffffff' fill-opacity='0.2'/%3E%3Cellipse cx='50' cy='50' rx='30' ry='15' fill='none' stroke='%23ffffff' stroke-width='1' stroke-opacity='0.1' transform='rotate(0 50 50)'/%3E%3Cellipse cx='50' cy='50' rx='30' ry='15' fill='none' stroke='%23ffffff' stroke-width='1' stroke-opacity='0.1' transform='rotate(60 50 50)'/%3E%3Cellipse cx='50' cy='50' rx='30' ry='15' fill='none' stroke='%23ffffff' stroke-width='1' stroke-opacity='0.1' transform='rotate(120 50 50)'/%3E%3C/pattern%3E%3C/defs%3E%3Crect width='100' height='100' fill='url(%23atom)'/%3E%3C/svg%3E");
}
.section-title {
    position: relative;
    padding-bottom: 20px;
    margin-bottom: 40px;
    text-align: center;
}
.section-title::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient-science);
    border-radius: var(--radius-full);
}
.section-title.text-center::after {
    left: 50%;
    transform: translateX(-50%);
}
@media (max-width: 768px) {
    .hero-section {
    padding: 20px 0;
}
}
/*company advantage*/
.company-advantage  .adv-num{
    width: 65px;
    height: 65px;
    font-size: 1.6rem;
    font-weight: bold;
    background: var(--gradient-tech-7);
    box-shadow: 4px 4px 8px rgba(0, 0, 0, 0.2),
                -2px -2px 4px rgba(255, 255, 255, 0.1);
}
.company-advantage .adv-con{
    margin-top: 20px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%); 
    transition: all 0.3s ease;
}
.company-advantage .adv-con:hover{
    
    background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%) !important;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}
/*公司证书*/
.company-certificate {
   background: #fff;
}
.company-certificate .certificate-pics{
    background: var(--color-gray-50);
}
.carousel-indicators button {
    width: 12px !important;
    height: 12px !important;
    border-radius: 50%;
    margin: 0 4px;
    background-color: rgba(0,0,0,0.3);
}

.carousel-indicators button.active {
    background-color: #0d6efd;
}

@media (max-width: 768px) {
    .border-start {
        border-left: none !important;
        padding-left: 0 !important;
        margin-left: 0 !important;
    }
    
    .carousel-inner img {
        height: 180px !important;
    }
}

/* 公司介绍部分 */
.company-intro {
    background: white;
}

.about-title {
    font-size: 2rem;
    color: #2c3e50;
    position: relative;
    padding-bottom: 10px;
}

.about-title::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 60px;
    height: 3px;
    background: #3498db;
}

/* 统计数字部分 - 深色背景区分 */
.company-stats,.contact-section {
    position: relative;
    background: #f0f4f8 !important;
    border-top: 1px solid #e0e6ed;
    border-bottom: 1px solid #e0e6ed;
}

/* 数字卡片效果 */
.stat-item {
    transition: all 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-5px);
}

/* 统计数字样式 */
.stat-number {
    display: inline-block;
    min-width: 80px;
    font-weight: 700;
    color: #2980b9;
}

.plus-symbol {
    color: #3498db;
    opacity: 0.8;
    font-weight: 500;
}

.stat-label {
    font-weight: 600;
    color: #34495e;
    letter-spacing: 0.5px;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .company-intro h2 {
        font-size: 1.8rem;
        text-align: center;
    }
    
    .company-intro h2::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .stat-number {
        font-size: 2.5rem !important;
    }
    
    .plus-symbol {
        font-size: 1.5rem !important;
    }
}
<style>
 

.contact-icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    transition: all 0.3s ease;
    position: relative;
}

.contact-icon::before {
    content: '';
    position: absolute;
    width: 64px;
    height: 64px;
    border-radius: 50%;
    opacity: 0.1;
    z-index: -1;
    transition: all 0.3s ease;
}

/* 电话图标 */
.contact-icon:nth-child(1) i {
    color: #3b82f6;
    font-size: 1.4rem;
}
.contact-icon:nth-child(1)::before {
    background: #3b82f6;
}

/* 邮箱图标 */
.contact-icon:nth-child(2) i {
    color: #10b981;
    font-size: 1.4rem;
}
.contact-icon:nth-child(2)::before {
    background: #10b981;
}

/* 在线客服图标 */
.contact-icon:nth-child(3) i {
    color: #f59e0b;
    font-size: 1.4rem;
}
.contact-icon:nth-child(3)::before {
    background: #f59e0b;
}

/* 微信图标 */
.contact-icon:nth-child(4) i {
    color: #06b6d4;
    font-size: 1.4rem;
}
.contact-icon:nth-child(4)::before {
    background: #06b6d4;
}

.contact-icon:hover {
    transform: scale(1.1);
}

.contact-icon:hover::before {
    opacity: 0.15;
    transform: scale(1.1);
}

.contact-info {
    display: block;
    transition: all 0.2s ease;
    position: relative;
}

.contact-info:hover {
    transform: translateY(-2px);
    text-decoration: underline;
}

h6 {
    color: #374151;
    font-weight: 500;
    letter-spacing: 0.5px;
}

.btn-sm {
    font-weight: 500;
    border-radius: 6px;
    transition: all 0.2s ease;
}

.btn-sm:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .contact-icon {
        width: 48px;
        height: 48px;
    }
    
    .contact-icon i {
        font-size: 1.2rem !important;
    }
    
    .contact-icon::before {
        width: 56px;
        height: 56px;
    }
    
    .contact-info {
        font-size: 1rem !important;
    }
}