.container.main-content {
  max-width: 1405px;
  height: inherit;
  margin: 0 auto;
  padding: 100px 15px 80px;
}

/* Banner Wrap */
.banner-wrap {
    width: 100%;
    height: 540px;
    position: relative;
}

.banner-wrap > img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.banner-wrap > .mask {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

.banner-wrap > .mask > h2 {
    font-size: 54px;
    font-family: "Microsoft YaHei";
    font-weight: 400;
    color: #fff;
    margin: 0 0 5px;
}

.banner-wrap > .mask > small {
    font-size: 24px;
    font-family: "Microsoft YaHei";
    font-weight: 300;
    color: #fff;
    margin: 0;
}

.biz + .biz {
    margin-top: 100px;
}

.section-title {
    text-align: center;
    margin-bottom: 40px;
    color: #333;
    font-size: 32px;
    position: relative;
    font-weight: bold;
}

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background-color: #0075C1;
    margin: 20px auto 0;
}

/* Zigzag Layout */
.zigzag-container {
    display: flex;
    flex-direction: column;
    gap: 60px;
    counter-reset: section-counter;
}

.zigzag-item {
    display: flex;
    gap: 60px;
    position: relative;
}

.zigzag-item:nth-child(even) {
    flex-direction: row-reverse;
}

.zigzag-image {
    flex: 1;
    height: 400px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    transition: transform 0.3s;
}

.zigzag-item:hover .zigzag-image {
    transform: scale(1.02);
}

.zigzag-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.zigzag-image.cover img {
    object-fit: cover;
}

.zigzag-text {
    flex: 1;
    position: relative;
    padding: 30px 0 20px;
}

.zigzag-text::before {
    counter-increment: section-counter;
    content: counter(section-counter, decimal-leading-zero);
    position: absolute;
    top: -10px;
    left: 0;
    font-size: 80px;
    font-weight: 900;
    color: #f0f2f5;
    z-index: -1;
    line-height: 1;
    font-family: Arial, sans-serif;
}

.zigzag-text h3 {
    font-size: 28px;
    color: #333;
    font-weight: 700;
    margin: 0 0 10px;
    /*text-shadow: 2px 2px 4px rgba(4, 21, 255, 0.329);*/
}

.zigzag-text p {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
    margin-bottom: 10px;
    text-align: justify;
}

/* Feature Lists within Zigzag */
.zigzag-features {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-top: 30px;
}

.zigzag-features .feature-item {
    background-color: #f8f9fa;
    padding: 10px 20px;
    border-radius: 4px;
    border-left: 3px solid #0075C1;
    font-size: 14px;
    color: #555;
    flex: 1 1 40%;
    min-width: 200px;
}

/* Detailed List */
.detail-list {
    list-style-type: none;
    margin-top: 10px;
}

.detail-list li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 10px;
    font-size: 15px;
    color: #555;
    line-height: 1.6;
}

.detail-list li::before {
    content: '-';
    color: #0075C1;
    font-weight: bold;
    position: absolute;
    left: 0;
}

.detail-list strong {
    color: #333;
    font-weight: 600;
}

.section-divider {
    height: 1px;
    background: #eee;
    margin: 80px 0;
}

/* Responsive Header/Footer & Layout */
@media (max-width: 992px) {
    .zigzag-item, .zigzag-item:nth-child(even) {
        flex-direction: column;
        gap: 30px;
        text-align: center;
    }

    .zigzag-image {
        width: 100%;
        height: 300px;
    }

    .zigzag-text::before {
        left: 50%;
        transform: translateX(-50%);
        top: -40px;
    }
    
    .zigzag-item:nth-child(even) .zigzag-text::before {
        left: 50%;
        transform: translateX(-50%);
        right: auto;
    }

    .zigzag-text p {
        text-align: left;
    }
    
    .zigzag-features {
        justify-content: center;
    }
    
    .feature-item {
        text-align: left;
    }
}

@media (max-width: 768px) {
    .header-inner {
        flex-direction: column;
        height: auto;
        padding: 15px 0;
    }

    nav ul {
        flex-direction: column;
        align-items: center;
        gap: 10px;
        margin-top: 15px;
        width: 100%;
    }
    
    .dropdown-content {
        position: static;
        display: none;
        box-shadow: none;
        background-color: #f9f9f9;
        width: 100%;
        transform: none;
        text-align: center;
    }
    
    .dropdown:hover .dropdown-content {
        display: block;
    }

    .banner-wrap {
        /*padding: 60px 0;*/
        height: 60vw;
    }
    
    .banner-wrap > .mask > h2 {
        font-size: 32px;
    }

    .banner-wrap > .mask > small {
        font-size: 16px;
    }
    
    .container.main-content {
        padding-top: 20px;
    }
    .section-divider {
        margin: 50px 0;
    }
}