* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    overflow-x: auto;
}

body {
    margin: 0;
    padding: 0;
    min-height: 100vh;
    position: relative;
}

.bg-image {
    position: fixed;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 1920px;
    height: 100%;
    z-index: -1;
    object-fit: cover;
}

.page-wrapper {
    width: 1920px;
    min-height: 100vh;
    margin: 0 auto;
    padding: 50px 146px;
    position: relative;
    z-index: 1;
}

.logo {
    width: 190px;
    height: 72px;
    object-fit: contain;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
}

.top {
    display: flex;
    align-items: center;
    gap: 12px;
}

.title {
    width: 1089px;
    height: 69px;
    object-fit: contain;
}

.power-icon {
    margin-left: 48px;
    margin-right: 4px;
    width: 36px;
    height: 36px;
    object-fit: contain;
}

.titlename {
    margin-bottom: 85px;
}

.entitle {
    font-size: 36px;
    color: #fff;
    margin: 0;
    letter-spacing: 2px;
}

.zhm {
    font-size: 30px;
    color: #fff;
}

.content-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    justify-content: center;
}

.content-list li {
    width: calc(25% - 18px);
    aspect-ratio: 16/9;
    border-radius: 24px;
    
}

.content-list li a {
    display: block;
    width: 100%;
    height: 100%;
}

.content-list li a img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 24px;
}

@media (max-width: 1600px) {
    .page-wrapper {
        width: 100%;
        padding: 40px 60px;
    }
    
    .bg-image {
        width: 100%;
        left: 0;
        transform: none;
    }
    
    .logo {
        width: 160px;
        height: 60px;
    }
    
    .title {
        width: 100%;
        max-width: 800px;
        height: auto;
    }
    
    .zhm {
        font-size: 24px;
    }
    
    .power-icon {
        width: 32px;
        height: 32px;
        margin-left: 32px;
    }
    
    .entitle {
        font-size: 28px;
    }
    
    .content-list li {
        width: calc(25% - 18px);
    }
}

@media (max-width: 1280px) {
    .page-wrapper {
        padding: 35px 40px;
    }
    
    .logo {
        width: 140px;
        height: 52px;
    }
    
    .zhm {
        font-size: 22px;
    }
    
    .power-icon {
        width: 28px;
        height: 28px;
        margin-left: 24px;
    }
    
    .entitle {
        font-size: 24px;
    }
    
    .content-list li {
        width: calc(33.33% - 16px);
    }
    
    .content-list {
        gap: 20px;
    }
}

@media (max-width: 960px) {
    .page-wrapper {
        padding: 30px 30px;
    }
    
    .header {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    .top {
        justify-content: center;
    }
    
    .logo {
        width: 120px;
        height: 45px;
    }
    
    .zhm {
        font-size: 20px;
    }
    
    .power-icon {
        width: 24px;
        height: 24px;
        margin-left: 16px;
    }
    
    .entitle {
        font-size: 20px;
        letter-spacing: 1px;
    }
    
    .content-list li {
        width: calc(50% - 12px);
    }
    
    .content-list {
        gap: 16px;
    }
}

@media (max-width: 640px) {
    .page-wrapper {
        padding: 20px 15px;
    }
    
    .logo {
        width: 100px;
        height: 38px;
    }
    
    .zhm {
        font-size: 16px;
    }
    
    .power-icon {
        width: 20px;
        height: 20px;
        margin-left: 12px;
    }
    
    .entitle {
        font-size: 16px;
        letter-spacing: 0.5px;
    }
    
    .content-list li {
        width: 100%;
        aspect-ratio: 4/3;
    }
    
    .content-list {
        gap: 12px;
    }
    
    .titlename {
        margin-bottom: 40px;
    }
}