/* Banner Section */
.banner-section {
    position: relative;
    width: 100%;
    background: #fff;
    overflow: hidden;
}
.banner-inner {
    position: relative;
    height: 680px;
}

/* Background Container */
.banner-bg-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}
.banner-bg-item {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.6s ease;
}
.banner-bg-item.active {
    opacity: 1;
}
.banner-bg-image {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
}
.banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* background: linear-gradient(90deg, rgba(255,255,255,0.9) 0%, rgba(255,255,255,0.3) 60%, rgba(255,255,255,0) 100%); */
}

/* Sidebar Navigation */
.sidebar-nav {
    width: 144px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.sidebar-nav-item {
    height: 46px;
    line-height: 46px;
    padding: 0 12px;
    width: 144px;
    font-family: PingFangSC-Regular, "PingFang SC", "Lantinghei SC", "Microsoft YaHei"; 
    font-size: 14px;
    color: #091221; 
    text-align: right; 
    font-weight: 400; 
    cursor: pointer; 
    text-overflow: ellipsis; 
    overflow: hidden; 
    white-space: nowrap; 
    position: relative;
    transition: all 0.3s;
}
.sidebar-nav-item:hover {
    color: #2468F2;
}
.sidebar-nav-item.active {
    color: #2468F2;
    font-weight: bold;
    background: rgba(255, 255, 255, 0.4);
}
.nav-progress-bar {
    position: absolute;
    right: 0;
    top: 0;
    width: 3px;
    height: 100%;
    background: rgba(0, 0, 0, 0.05);
}
.sidebar-nav-item.active .nav-progress-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 0;
    background: #2468F2;
    animation: navProgressAnim 6s linear forwards;
}

/* Slick Dots (Mobile Only) - Ant Design Carousel Style */
.slick-dots {
    display: none !important; /* Default hidden on desktop */
}

@media (max-width: 991.98px) {
    .slick-dots {
        position: relative !important;
        right: auto !important;
        bottom: auto !important;
        left: auto !important;
        z-index: 15 !important;
        display: flex !important;
        justify-content: center !important;
        margin: 20px auto 0 auto !important;
        padding: 0 !important;
        list-style: none !important;
        width: auto !important;
    }
    .slick-dots li {
        position: relative !important;
        display: inline-block !important;
        flex: 0 1 auto !important;
        box-sizing: content-box !important;
        width: 16px !important;
        height: 3px !important;
        margin: 0 4px !important;
        padding: 0 !important;
        text-align: center !important;
        text-indent: -999px !important;
        vertical-align: top !important;
        transition: all 0.5s !important;
    }
    .slick-dots li button {
        position: relative !important;
        display: block !important;
        width: 100% !important;
        height: 3px !important;
        padding: 0 !important;
        color: transparent !important;
        font-size: 0 !important;
        background: rgba(36, 104, 242, 0.25) !important;
        border: 0 !important;
        border-radius: 1px !important;
        outline: none !important;
        cursor: pointer !important;
        opacity: 1 !important;
        transition: all 0.5s !important;
    }
    .slick-dots li button:before {
        display: none !important;
    }
    .slick-dots li button:hover,
    .slick-dots li button:focus {
        background: rgba(36, 104, 242, 0.5) !important;
    }
    .slick-dots li button:after {
        position: absolute !important;
        top: -4px !important;
        right: -4px !important;
        bottom: -4px !important;
        left: -4px !important;
        content: '' !important;
    }
    .slick-dots li.slick-active {
        width: 24px !important;
    }
    .slick-dots li.slick-active button {
        background: #2468F2 !important;
        opacity: 1 !important;
    }
}

@keyframes navProgressAnim {
    from { height: 0; }
    to { height: 100%; }
}

/* Main Content Area */
.banner-content {
    position: relative;
    z-index: 10;
    height: 480px;
    padding-top: 40px;
}
.banner-content-inner {
    display: flex;
    height: 100%;
    align-items: center;
}
/* Banner Slider Wrap */
.banner-slider-wrap {
    flex: 1;
    padding-left: 80px;
    padding-top: 20px;
    min-width: 0;
    position: relative;
    z-index: 100;
}
.banner-slick-slider {
    width: 100%;
    height: 100%;
    opacity: 1 !important;
    visibility: visible !important;
}
.slick-list, .slick-track {
    height: 100% !important;
}
.slick-slide {
    height: auto !important;
    opacity: 0;
    transition: opacity 0.6s ease;
    visibility: hidden;
}
.slick-slide.slick-active {
    opacity: 1 !important;
    visibility: visible !important;
    z-index: 10;
}
.slide-content {
    color: #121212;
    text-decoration: none !important;
    display: block;
    width: 100%;
    opacity: 1 !important;
    visibility: visible !important;
}
.slide-content h2 {
    font-size: 52px;
    font-weight: 800;
    margin-bottom: 16px;
    color: #121212;
    letter-spacing: -1px;
}
.slide-content p {
    font-size: 18px;
    color: #666;
    margin-bottom: 32px;
    max-width: 600px;
}
.btn-primary-gradient {
    display: inline-block;
    padding: 12px 45px;
    background: linear-gradient(90deg, #4d7cff 0%, #2468F2 100%);
    color: #fff;
    border-radius: 4px;
    font-size: 16px;
    font-weight: 500;
}

/* Bottom Cards Section */
.bottom-cards-section {
    position: absolute;
    bottom: 30px;
    width: 100%;
    z-index: 20;
}

/* Info Cards Row */
.info-cards-row {
    display: flex;
    flex-wrap: wrap;
}
.promo-header h3 {
    font-size: 18px;
    font-weight: 600;
    color: #121212;
}
.promo-links-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px 24px;
}
.link-item a {
    font-size: 13px;
    color: #333;
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.link-item a i {
    font-size: 8px;
    color: #999;
    opacity: 0.6;
}
.link-item a:hover {
    color: #2468F2;
}

/* Right Info Cards */
.info-card-item {
    flex: 1;
    background: #fff;
    border-radius: 8px;
    padding: 24px 20px;
    height: 180px;
    border: 1px solid #f2f4f7;
    transition: all 0.3s;
    box-shadow: 0 2px 20px rgba(0,0,0,0.04);
}

/* Small Info Cards (4 columns) */
.info-card-item-sm {
    flex: 0 0 calc(25% - 12px);
    background: #fff;
    border-radius: 8px;
    padding: 20px 16px;
    margin: 0 6px;
    border: 1px solid #f2f4f7;
    transition: all 0.3s;
    box-shadow: 0 2px 20px rgba(0,0,0,0.04);
}
.info-card-item-sm:first-child {
    margin-left: 0;
}
.info-card-item-sm:last-child {
    margin-right: 0;
}
.info-card-item-sm:hover {
    box-shadow: 0 8px 30px rgba(0,0,0,0.08);
    transform: translateY(-4px);
}
.info-card-item-sm a {
    text-decoration: none;
    display: flex;
    align-items: flex-start;
}
.info-card-item-sm .icon {
    width: 40px;
    height: 40px;
    background-size: contain;
    background-repeat: no-repeat;
    margin-right: 12px;
    flex-shrink: 0;
}
.info-card-item-sm .text {
    flex: 1;
}
.info-card-item-sm h5 {
    font-size: 14px;
    font-weight: 600;
    color: #121212;
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.info-card-item-sm h5 i {
    font-size: 9px;
    color: #999;
    opacity: 0.5;
}
.info-card-item-sm p {
    font-size: 12px;
    color: #999;
    margin: 0;
    line-height: 1.5;
}
.info-card-item:hover {
    box-shadow: 0 8px 30px rgba(0,0,0,0.08);
    transform: translateY(-4px);
}
.info-card-item a {
    text-decoration: none;
    display: flex; /* 恢复水平布局：左图标右文字 */
    align-items: flex-start;
}
.info-card-item .icon {
    width: 44px;
    height: 44px;
    background-size: contain;
    background-repeat: no-repeat;
    margin-right: 16px;
    flex-shrink: 0;
}
.info-card-item .text {
    flex: 1;
}
.info-card-item h5 {
    font-size: 15px;
    font-weight: 600;
    color: #121212;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.info-card-item h5 i {
    font-size: 9px;
    color: #999;
    opacity: 0.5;
}
.info-card-item p {
    font-size: 12px;
    color: #999;
    margin: 0;
    line-height: 1.6;
}

/* Responsive Adjustments */

/* Tablet & Smaller Desktops */
@media (max-width: 1199.98px) {
    .banner-slider-wrap { padding-left: 40px; }
    .slide-content h2 { font-size: 36px; }
}

/* Small Desktops / Large Tablets */
@media (max-width: 991.98px) {
    .banner-inner { height: auto; min-height: 520px; padding-bottom: 0; }
    .banner-content { padding-top: 30px; height: auto; padding-bottom: 30px; }
    .banner-slider-wrap { padding-left: 0; text-align: center; }
    .slide-content h2 { font-size: 28px; font-weight: 700; margin-bottom: 12px; }
    .slide-content p { margin-left: auto; margin-right: auto; font-size: 14px; margin-bottom: 24px; color: #666; }
    
    .bottom-cards-section { position: relative; bottom: 0; margin-top: 20px; z-index: 30; }
    .card-row { flex-direction: column; }
    
    /* 底部4卡片响应式 */
    .info-card-item-sm {
        flex: 0 0 calc(50% - 8px);
        margin: 4px;
    }
    .info-card-item-sm:first-child,
    .info-card-item-sm:last-child {
        margin: 4px;
    }
    
    .banner-overlay { 
        background: linear-gradient(180deg, rgba(255,255,255,0.7) 0%, rgba(255,255,255,0.95) 100%); 
    }
}

/* Mobile Devices */
@media (max-width: 767.98px) {
    .container-fluid { padding-left: 15px !important; padding-right: 15px !important; }
    .banner-inner { height: auto; min-height: 450px; }
    .banner-content { padding-top: 20px; height: auto; padding-bottom: 20px; }
    .slide-content h2 { font-size: 24px; font-weight: 700; }
    .slide-content p { font-size: 13px; margin-bottom: 20px; line-height: 1.6; }
    .btn-primary-gradient { padding: 10px 40px; font-size: 14px; border-radius: 6px; }
    
    .info-cards-row { flex-direction: row; }
    .info-card-item { margin-right: 0 !important; margin-left: 0 !important; margin-bottom: 12px; padding: 15px; }
    .info-card-item .icon { width: 32px; height: 32px; }
    .info-card-item h5 { font-size: 14px; }
    
    /* 底部4卡片移动端 - 2列2列 */
    .info-card-item-sm {
        flex: 0 0 calc(50% - 8px);
        margin: 4px;
        padding: 15px 12px;
    }
    .info-card-item-sm .icon {
        width: 32px;
        height: 32px;
    }
    .info-card-item-sm h5 {
        font-size: 13px;
    }
    .info-card-item-sm p {
        font-size: 11px;
    }
    
    /* 分页器移动端微调 */
    .slick-dots {
        margin: 16px auto 0 auto !important;
    }
}

/* Extra Small Devices */
@media (max-width: 575.98px) {
    .slide-content h2 { font-size: 24px; }
    .banner-inner { min-height: 400px; }
}

@media (max-width: 768px) {
.banner-section {
    padding-top: 60px;
}
}