.swiper.banner { position: relative; width: 100%; height: 100vh; min-height: 600px; }
    .swiper.banner .swiper-slide img { width: 100%; height: 100%; object-fit: cover; }
    
    .scroll-down-indicator {
        position: absolute;
        bottom: 40px;
        left: 50%;
        transform: translateX(-50%);
        display: flex;
        flex-direction: column;
        align-items: center;
        color: #fff;
        font-size: 12px;
        letter-spacing: 2px;
        z-index: 10;
        pointer-events: none;
        font-family: 'Arial', sans-serif;
    }
    .mouse-icon {
        width: 20px;
        height: 30px;
        border: 1.5px solid rgba(255, 255, 255, 0.8);
        border-radius: 15px;
        position: relative;
        margin-bottom: 12px;
    }
    .mouse-wheel {
        width: 4px;
        height: 8px;
        background: #fff;
        border-radius: 2px;
        position: absolute;
        top: 8px;
        left: 50%;
        transform: translateX(-50%);
        animation: scrollWheel 1.5s infinite;
    }
    @keyframes scrollWheel {
        0% { opacity: 1; transform: translateX(-50%) translateY(0); }
        100% { opacity: 0; transform: translateX(-50%) translateY(12px); }
    }

    .banner-arrows-right {
        position: relative;
        bottom: auto;
        right: auto;
        display: flex;
        gap: 15px;
        z-index: 10;
        pointer-events: auto;
    }
    .banner-arrow {
        width: 50px;
        height: 50px;
        border-radius: 50%;
        border: 1px solid rgba(255, 255, 255, 0.6);
        color: #fff;
        font-size: 18px;
        display: flex;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        transition: all 0.3s ease;
        user-select: none;
        background: transparent;
    }
    .banner-arrow:hover {
        background: rgba(255, 255, 255, 0.15);
        border-color: #fff;
    }
    .banner-prev.icon-jiantou1 { transform: rotate(180deg); }

    .banner-progress-left {
        position: relative;
        left: auto;
        bottom: auto;
        z-index: 10;
        display: flex;
        align-items: center;
        pointer-events: auto;
    }
    .banner-progress-track {
        position: relative;
        display: flex;
        align-items: center;
        gap: 10px;
        height: 20px;
    }
    .banner-dot {
        width: 10px;
        height: 10px;
        border-radius: 50%;
        background: rgba(255, 255, 255, 0.3);
        transition: all 0.3s ease;
    }
    .banner-dot.active {
        width: 32px;
        border-radius: 4px;
        background: #fff;
    }

    .banner-controls-wrapper {
        position: absolute;
        bottom: 40px;
        left: 0;
        width: 100%;
        z-index: 10;
        pointer-events: none; 
    }
    .banner-controls-inner {
        display: flex;
        justify-content: space-between;
        align-items: flex-end;
    }

    @media (max-width: 768px) {
        .swiper.banner { 
            height: 35vh; 
            min-height: 400px; 
        }
        .swiper.banner .swiper-slide img { 
            object-fit: cover; 
            object-position: center; 
        }
        .banner-arrows-right { 
            display: none !important; 
        }
        .banner-controls-wrapper { 
            bottom: 80px; 
            display: flex;
            justify-content: center;
        }
        .banner-controls-inner {
            justify-content: center !important; 
            width: 100%;
        }
        .banner-progress-left {
            margin: 0 auto;
        }
        .banner-progress-track {
            gap: 6px;
        }
        .banner-dot { 
            width: 10px; 
            height: 8px; 
            background: rgba(255, 255, 255, 0.4); 
        }
        .banner-dot.active { 
            width: 24px; 
            border-radius: 3px; 
            background: #fff; 
        }
        .scroll-down-indicator { 
            bottom: 25px; 
            font-size: 10px;
        }
        .mouse-icon { 
            width: 18px; 
            height: 28px; 
            margin-bottom: 8px;
        }
        .mouse-wheel {
            height: 6px;
        }
    }
    
    .ind_box1_con {
        position: relative; 
        padding: 0 140px !important; 
        max-width: 1800px;
        margin: 0 auto;
        box-sizing: border-box;
    }
    .ind_box1_scroll {
        width: 100% !important;
    }
    .ind_box1_scroll_item_pic img {
        object-fit: contain !important; 
    }
    .ind_box1_nav {
        position: absolute;
        top: 30%; 
        transform: translateY(-50%);
        width: 90px;   
        height: 90px;  
        display: flex;
        align-items: center;
        justify-content: center;
        color: #3bb4f2;
        cursor: pointer;
        z-index: 10;
        transition: all 0.3s ease;
    }
    .ind_box1_nav:hover {
        opacity: 0.7;
        transform: translateY(-50%) scale(1.1);
    }
    .ind_box1_nav svg {
        width: 86px;   
        height: 86px;
    }
    .ind_box1-prev { 
        left: 20px !important; 
    }
    .ind_box1-next { 
        right: 20px !important; 
    }
    .scroll_dots_bars {
        display: flex;
        justify-content: center;
        align-items: center;
        gap: 8px;
        margin-top: 30px;
    }
    .scroll_dots_bars .swiper-pagination-bullet {
        width: 30px;
        height: 3px;
        border-radius: 2px;
        background: #e0e0e0;
        opacity: 1;
        transition: all 0.3s ease;
        cursor: pointer;
    }
    .scroll_dots_bars .swiper-pagination-bullet-active {
        background: #3bb4f2;
        width: 45px; 
    }
    @media (max-width: 1400px) {
        .ind_box1_con { padding: 0 110px !important; }
        .ind_box1_nav { width: 70px; height: 70px; }
        .ind_box1_nav svg { width: 66px; height: 66px; }
    }
    @media (max-width: 768px) {
        .ind_box1_con { padding: 0 60px !important; }
        .ind_box1_nav { width: 48px; height: 48px; top: 35%; } 
        .ind_box1_nav svg { width: 44px; height: 44px; }
        .ind_box1-prev { left: 0 !important; }
        .ind_box1-next { right: 0 !important; }
    }