.phpstudy-banner {
    width: 100%;
    position: relative;
    justify-content: center;
    background: linear-gradient( 180deg, #E7F3FB 2%, #FBF1E7 43%, #EBF7FB 71%, rgba(229,229,249,0.4) 100%);
    padding: 147px 12px 30px;
}

.phpstudy-banner .xp-php {
    height: 94px;
    padding: 80px 0 80px;
}

.xp-php .php-tit {
    font-weight: 600;
    font-size: 50px;
    color: #1B1E23;
}

.xp-php .php-tit span {
    background-image: linear-gradient(to right, #6E63EE 0%, #ED74A5 51%, #F6779F 100%);
    /* 设置背景以文字进行裁切 */
    background-clip: text;
    -webkit-background-clip: text;
    /* 设置文本颜色透明以露出后面裁切成文本形状的渐变背景 */
    color: transparent;
}

.xp-php .btn-free {
    background: #FF731B;
    border-radius: 17px 17px 17px 17px;
    border: 1px solid #FF731B;
    font-weight: 800;
    font-size: 16px;
    color: #FFFFFF;
    padding: 6px 16px;
    margin-left: 20px;
    white-space: nowrap;
}

.phpstudy-banner .php-txt {
    margin-top: 8px;
    font-weight: 400;
    font-size: 18px;
    color: #646A73;
}

.phpstudy-banner .download-btn {
    background: linear-gradient(180deg, #5995FE 0%, #7B73FF 100%);
    box-shadow: 0 6px 16px 0 rgba(121, 116, 255, 0.35);
    border-radius: 32px 32px 32px 32px;
    font-weight: 400;
    font-size: 20px;
    color: #FFFFFF;
    padding: 16px 40px;
}

.phpstudy-version {
    padding: 90px 12px;
    background: url("../images/php-version-bg.png") 50% no-repeat;
    background-size: cover;
}

.phpstudy-version .version-box {
    width: 100%;
    display: inline-flex;
    flex-flow: wrap;
    justify-content: flex-start;
    align-items: center;
    gap: 30px 140px;
}

.version-box .version-recommend {
    flex: 0 0 calc(50% - 70px); 
    background: rgba(255,255,255,0.5);
    box-shadow: 0px 10px 16px 0px rgba(86,86,86,0.14);
    border-radius: 20px 20px 20px 20px;
    border: 1px solid #FFFFFF;
    padding: 84px;
    position: relative;

}

.version-box .version-recommend .recommend-tit {
    height: 38px;
    font-weight: bold;
    font-size: 28px;
    color: #343434;
    line-height: 33px;
    letter-spacing: 1px;
    margin-left: 31px;
}

.version-box .version-recommend .version-tit {
    height: 41px;
    font-weight: 500;
    font-size: 22px;
    color: #343434;
    line-height: 41px;
}

.version-box .version-recommend .version-detail {
    height: 30px;
    font-weight: 400;
    font-size: 16px;
    color: #6F69E5;
    line-height: 30px;
    margin-left: 14px;
    cursor: pointer;
}

/* .version-box .version-recommend .cont-text {
    margin-left: 67px;
    margin-bottom: 40px;
}

.cont-text .cont-line {
    margin-bottom: 18px;
    height: 30px;
    font-size: 16px;
    line-height: 30px;
}

.cont-text .cont-line .text-label {
    color: #565656;
}

.cont-text .cont-line .text-value {
    color: #343434;
    margin-left: 4px;
} */

.version-box .version-recommend .btn-download {
    width: 226px;
    height: 48px;
    border-radius: 8px;
    border: 1px solid rgba(111,105,229,0.7);
    font-weight: 400;
    font-size: 20px;
    color: #6F69E5;
    justify-content: center;
}

.btn-download  .btn-left {
    height: 100%;
    width: 100%;
    line-height: 48px;
    text-align: center;
    cursor: pointer;
}

.btn-download .btn-right .gang {
    width: 0px;
    height: 20px;
    border: 1px solid rgba(111,105,229,0.2);
}

.version-box .version-recommend .version-select {
    width: 226px;
    background: rgba(255,255,255,0.8);
    border-radius: 8px;
    border: 1px solid rgba(111,105,229,0.4);
    position: absolute;
    top: 60px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 99;
    padding: 10px 0;
    display: none;
}

.version-select .select-line {
    height: 36px;
    line-height: 36px;
    font-size: 20px;
    color: #6F69E5;
    padding-left: 18px;
    box-sizing: border-box;
    cursor: pointer;
    opacity: 0.8;
}

.version-select .select-line:hover {
    opacity: 1;
}

.download-pop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 10001;
    display: none;
}

.download-pop .pop-box {
    max-width: 448px;
    width: 90%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    background: #fff;
    border-radius: 12px;
    padding: 20px 20px 40px;
}

.download-pop .pop-box .pop-close {
    width: 20px;
    height: 20px;
    font-size: 24px;
    color: #333333;
    cursor: pointer;
    position: absolute;
    right: 20px;
    top: 20px;
}

.download-pop .pop-box .pop-content {
    color: #333;
    font-size: 18px;
    font-weight: 400;
    height: 24px;
    text-align: center;
    margin: 50px 0 40px;
}

.download-pop .pop-box .pop-btn {
    display: flex;
    align-items: center;
    justify-content: center;
}

.download-pop .pop-box .pop-btn div {
    width: 119px;
    height: 36px;
    line-height: 36px;
    border-radius: 4px;
    font-size: 14px;
    text-align: center;
}

.download-pop .pop-box .pop-btn .pop-btn-six div {
    background: linear-gradient(180deg, #5995FE 0%, #7B73FF 100%);
    color: #FFFFFF;
}

.download-pop .pop-box .pop-btn .pop-btn-three div {
    border: 1px solid #6F69E5;
    color: #6F69E5;
}

.php-function {
    padding: 60px 12px 70px;
    background: url("../images/php-function-bg.png") 50% no-repeat;
    background-size: cover;
}

.php-function .function-top {
    justify-content: center;
    margin-bottom: 70px;
}

.php-function .function-top .function-title {
    width: 186px;
    height: 63px;
    line-height: 63px;
    background: #FDFEFE;
    box-shadow: 0px 4px 12px 0px rgba(102,102,102,0.2);
    border-radius: 33px 33px 33px 33px;
    border: 1px solid #FFFFFF;
    text-align: center;
    cursor: pointer;
    font-weight: 400;
    font-size: 22px;
    color: #565656;
}

.php-function .function-top .function-active {
    background: #EEEDF7;
    border: none;
    color: #6F69E5;
}

.php-function .function-list {
    display: inline-flex;
    flex-flow: wrap;
    justify-content: flex-start;
    align-items: center;
    gap: 70px 78px;
}

.function-list .function-item {
    background: url("../images/php-function.png") 50% no-repeat;
    background-size: cover;
    flex: 0 0 calc(33.333% - 52px);
    height: 149px;
    border-radius: 14px 14px 14px 14px;
    padding: 32px 37px 16px;
    color: #565656;
    border: 1px solid #EAEEF4;
}

.function-list .function-item:hover {
    background: url("../images/php-function-hover.png") 50% no-repeat;
    background-size: cover;
}

.function-list .function-item .function-item-tit {
    height: 38px;
    font-size: 20px;
    line-height: 38px;
    margin-bottom: 10px;
}

.function-list .function-item .function-item-txt {
    height: 26px;
    font-size: 14px;
    line-height: 26px;
}

.php-group {
    padding: 60px 12px;
    text-align: center;
    max-width: 1300px;
    margin: 0 auto;
}

.php-group .php-group-tit {
    height: 49px;
    font-weight: 400;
    font-size: 36px;
    color: #000000;
    line-height: 42px;
    margin-bottom: 27px;
}
.php-group .php-group-txt {
    height: 27px;
    font-weight: 400;
    font-size: 20px;
    color: #858F9B;
    line-height: 23px;
    margin-bottom: 86px;
}

.php-group .php-group-list {
    display: inline-flex;
    flex-flow: wrap;
    justify-content: center;
    align-items: center;
    gap: 80px 40px;
}

.php-group .php-group-list .php-group-item {
    flex: 0 0 calc(33% - 26px);
    height: 250px;
    background: linear-gradient( 180deg, #FFFFFF 0%, rgba(255,255,255,0.5) 100%);
    box-shadow: 0px 4px 16px 0px rgba(0,0,0,0.14);
    border-radius: 14px 14px 14px 14px;
    padding: 52px 32px 32px;
    box-sizing: border-box;
    position: relative;
}

.php-group-list .php-group-item .php-group-img {
    position: absolute;
    top: -26px;
    left: 50%;
    transform: translateX(-50%);
}

.php-group-list .php-group-item .group-item-tit {
    height: 38px;
    font-size: 20px;
    color: #343434;
    line-height: 38px;
    text-align: center;
    margin-bottom: 20px;
}

.php-group-list .php-group-item .group-item-cont {
    font-size: 16px;
    color: #858F9B;
    line-height: 26px;
    text-align: left;
}

@media screen and (max-width: 1200px) {
    .xp-php .php-tit {
        font-size: 46px;
    }

    .phpstudy-banner .php-txt {
        font-size: 16px;
    }

    .phpstudy-banner .download-btn, .version-box .version-recommend .btn-download, .version-select .select-line, .function-list .function-item .function-item-tit, .php-group .php-group-txt, .php-group-list .php-group-item .group-item-tit {
        font-size: 18px;
    }

    .xp-php .btn-free, .version-box .version-recommend .version-detail, .php-group-list .php-group-item .group-item-cont {
        font-size: 14px;
    }

    .version-box .version-recommend .recommend-tit {
        font-size: 26px;
    }

    .version-box .version-recommend .version-tit, .php-function .function-top .function-title {
        font-size: 20px;
    }

    .function-list .function-item .function-item-txt {
        font-size: 12px;
    }
    
    .php-group .php-group-tit {
        font-size: 28px;
    }
}

@media screen and (max-width: 1000px) {

    .phpstudy-banner .php-banner-img {
        display: none;
    }

    .phpstudy-version .version-box {
        justify-content: center;
    }

    .version-box .version-recommend {
        padding: 60px 20px;
        flex: 0 0 calc(50% - 35px); 
    }

    .phpstudy-version .version-box {
        gap: 30px 70px;
    }

    .php-function .function-list {
        display: inline-flex;
        flex-flow: wrap;
        justify-content: flex-start;
        align-items: center;
        gap: 40px;
    }
    
    .function-list .function-item {
        flex: 0 0 calc(50% - 20px);
    }

    /* .php-group .php-group-list {
        display: inline-flex;
        flex-flow: wrap;
        justify-content: flex-start;
        align-items: center;
        gap: 80px 40px;
    } */
    
    .php-group .php-group-list .php-group-item {
        flex: 0 0 calc(50% - 26px);
    }
    
}

@media screen and (max-width: 769px) {
    .phpstudy-banner {
        padding: 76px 12px;
    }

    .phpstudy-banner .xp-php {
        padding-top: 60px;
        padding-bottom: 40px;
    }
    .xp-php .php-tit {
        font-size: 26px;
    }

    .phpstudy-banner .php-txt {
        font-size: 14px;
        
    }

    .phpstudy-banner .download-btn {
        font-size: 14px;
        padding: 10px 28px;
    }

    .xp-php .btn-free, .version-box .version-recommend .version-detail, .php-group-list .php-group-item .group-item-cont {
        font-size: 12px;
    }

    .version-box .version-recommend .recommend-tit, .php-group .php-group-tit, .php-group .php-group-tit {
        font-size: 24px;
    }

    .version-box .version-recommend {
        padding: 40px 10px;
        flex: 0 0 80%; 
    }

    .version-box .version-recommend .version-tit, .php-function .function-top .function-title {
        font-size: 18px;
    }

    .version-box .version-recommend .btn-download, .version-select .select-line, .function-list .function-item .function-item-tit, .php-group .php-group-txt, .php-group-list .php-group-item .group-item-tit {
        font-size: 16px;
    }
    
}

@media (max-width: 565px) {
    .php-group .php-group-list {
        gap: 60px;
    }
    
    .php-group .php-group-list .php-group-item {
        flex: 0 0 100%;
        height: auto;
    }
}

@media (max-width: 540px) {
    .php-function .function-list {
        gap: 30px;
    }

    .function-list .function-item {
        flex: 0 0 100%;
    }
}