.layout {
    width: 100%;
    min-height: 100vh;
    background: #f5f7fa;
}

.container {
    width: 1200px;
    max-width: 100%;
    margin: 0 auto;
}

.margin-top-big {
    margin-top: 30px;
}

.padding-small {
    padding: 1px;
}

.margin {
    margin: 10px;
}

.padding {
    padding: 15px;
}

.padding-left {
    padding-left: 15px;
}

.padding-right {
    padding-right: 15px;
}

.padding-top {
    padding-top: 10px;
}

.padding-top-small {
    padding-top: 8px;
}

.margin-large {
    background: #f5f7fa;
    padding: 25px 0;
}

.radius-large {
    border-radius: 8px;
}

.radius {
    border-radius: 6px;
}

.flex {
    display: flex;
}

.flex-center {
    align-items: center;
    justify-content: center;
}

.flex-wrap {
    flex-wrap: wrap;
}

.border0 {
    border: 0;
}

.bg-sub {
   background: linear-gradient(135deg, #2980b9 0%, #34a8eb 100%);
    color: #fff;
}

.bg-white {
    background: #fff;
    color: #333;
}

.bg-dot {
    background: #34a8eb;
    color: #fff;
}

.bg-light {
    background: #fff;
}

.button {
    display: inline-block;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 500;
    text-align: center;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    outline: none;
}

.button-sub {
    background: linear-gradient(135deg, #34a8eb 0%, #00aaff 100%);
    color: #fff;
    padding: 12px 35px;
    font-size: 16px;
}

.button-sub:hover {
    background: linear-gradient(135deg, #34a8eb 0%, #00aaff 100%);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.block {
    display: block;
}

.tab {
    border-radius: 12px;
    overflow: hidden;
}

.nav-tabs {
    list-style: none;
    margin: 0;
    padding: 0;
    border-radius: 12px 12px 0 0;
}

.nav-tabs li {
    position: relative;
}

.nav-tabs li a {
    display: block;
    padding: 14px 28px;
    color: #fff;
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: all 0.3s ease;
    border-radius: 8px;
}

.nav-tabs li a:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-1px);
}

.nav-tabs li.cust_active a {
    background: #34a8eb;
    color: #fff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.mixsanjiao {
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-top: 8px solid #fff;
}

.tab-body {
    background: #fff;
    min-height: 60px;
}

.tab-item {
    display: none;
    padding: 20px;
}

.tab-item.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.tab-item .flex {
    gap: 10px;
}

.tab-item .flex a {
    padding: 8px 18px;
    font-size: 13px;
    transition: all 0.3s ease;
}

.tab-item .flex a:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.x3 {
    width: 100%;
}

.x3 a {
    display: block;
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
    text-decoration: none;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.x3 a:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
}

.ovh {
    display: grid;
place-items: center;
    overflow: hidden;
    height: 180px;
    position: relative;
}

.ovh img {
    padding-left: 15px;
    width: 90%;
    height: 100%;
    object-fit: scale-down;
    transition: transform 0.5s ease;
}

.x3 a:hover .ovh img {
    transform: scale(1.1);
}

.weight-big {
    font-weight: 600;
}

.size {
    font-size: 15px;
}

.size-mini {
    font-size: 13px;
}

.word-more-lfx1 {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: #333;
}

.text-gray {
    padding: 10px 1px;
    color: #999;
}

.href {
    transition: color 0.3s ease;
}

.href:hover {
    color: #667eea;
}

.abs {
    position: absolute;
}

.img-auto {
    display: block;
}

.scale {
    transition: transform 0.5s ease;
}

.effect-hover {
    transition: all 0.3s ease;
}

.effect-hover:hover {
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

.ShowMoreList {
    background: linear-gradient(135deg, #34a8eb 0%, #00aaff 100%);
    color: #fff;
    padding: 12px 40px;
    font-size: 16px;
    border: none;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.ShowMoreList:hover {
    background: linear-gradient(135deg, #34a8eb 0%, #00aaff 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.5);
}

.ShowMoreList:active {
    transform: translateY(0);
}

@media (max-width: 1200px) {
    .container {
        width: 100%;
        padding: 0 20px;
    }
    
    .grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 15px;
    }
}

@media (max-width: 992px) {
    .grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .nav-tabs {
        flex-wrap: wrap;
    }
    
    .nav-tabs li {
        margin: 5px;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .nav-tabs {
        flex-direction: column;
    }
    
    .nav-tabs li {
        width: 100%;
        margin: 5px 0;
    }
    
    .nav-tabs li a {
        padding: 12px 20px;
    }
    
    .tab-item .flex {
        flex-direction: column;
        gap: 8px;
    }
    
    .ovh {
        height: 200px;
    }
    
    .button-sub,
    .ShowMoreList {
        padding: 10px 25px;
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .margin-top-big {
        margin-top: 20px;
    }
    
    .padding-small {
        padding: 10px;
    }
    
    .nav-tabs li a {
        padding: 10px 15px;
        font-size: 14px;
    }
    
    .tab-item {
        padding: 15px;
    }
}