@import url('https://fonts.googleapis.com/css2?family=Open+Sans:wght@300;400&family=Poppins:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;1,100;1,200;1,300;1,400;1,500;1,600;1,700;1,800;1,900&display=swap');

/* Global */
:root {
    --primary-color: rgba(13, 110, 139.0.75);
    --secondary-color: rgba(24,39,51,0.85);
    --menu-speed: 0.75s;
}


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

body {
    font-family:'Open Sans', sans-serif ;
    background: #fff;
    color: #333;
    line-height: 1.6;
}

ul {
    list-style: none;
}

a {
    color:#333;
    text-decoration: none;
}

h1, h2 {
    font-weight: 300;
    line-height: 1.2;
}
/* BAIMA */
.baima_btn {
    display: block;
    padding-top: 5px;
    width: 100px;
    height: 40px;
    color: #fff;
    background-color: #28a745;
    border: none;
    border-radius: 5px;
}

.zhihu {
    font-family:'Open Sans', sans-serif; 
    color: #fff;
    text-align: center;
    font-weight: 400;
    font-size: x-large;
    line-height: 1.2;
}




p { 
    margin: 10px 0;
}

img {
    width: 100%;
}

/* Navbar */
.navbar {
    z-index: 20;

    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: #333;
    color: #fff;
    opacity: 0.9;
    width: 100%;
    height: 80px;
    position: fixed;
    top: 0px;
    padding: 30px 30px;
    transition: 0.5s;
}

.navbar.top {
    background: transparent;
}

.navbar a {
    color: #fff;
    padding: 10px 20px;
    margin: 0 5px;
}
.navbar a:hover {
    border-bottom: #28a745 2px solid;
}
/* 
.navbar ul {
    display: flex; горизонтальное расположение

} */
.navbar .logo {
    font-weight: 400;
}

/* Header */
.hero {
    background: url('../image/home/showcase.jpg') no-repeat center center/cover;
    height: 100vh;
    position: relative;
    color: #fff;
}

.hero .content {
 
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    height: 100%;
    padding: 0 20px;
}

.hero .content h1 {
    font-size: 55px;
}

.hero .content p {
    font-size: 23px;
    max-width: 600px;
    margin: 20px 0 30px;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgb(0,0,0,0.6);
}

.hero * {
    z-index: 1;
}



.hero.blog {
    background: url('../image/home/blog.jpg') no-repeat center center/cover;
    height: 30vh;
}

/* Icons */
.icons {
    padding: 30px;
}

.icons h3 {
    font-weight: bold;
    margin-bottom: 15px;
}

.icons i {
    background-color: #28a745;
    color:#fff;
    padding: 1rem;
    border-radius: 50%;
    margin-bottom: 15px;
}

.cases img:hover {
    opacity: 0.7;
}

.team img {
    border-radius: 50%;
}

/* Callback form */
.callback-form {
    width: 100%;
    padding: 20px 0;
}

.callback-form label {
    display: block;
    margin-bottom: 5px;
}

.callback-form .form-control {
    margin-bottom: 15px;
}

.callback-form input {
    width: 100%;
    padding: 4px;
    height: 40px;
    border: #f5f5f5 1px solid;
}

.callback-form input:focus {
    outline-color: #28a745;
}

.callback-form .btn {
    padding: 12px 0;
    margin-top: 20px;
}

/* Posr */
.post {
    padding: 50px 30px;
}

.post h2 {
    font-size: 40px;
    margin-bottom: 40px;
    padding-bottom: 10px;
    border-bottom: #ccc solid 1px;
}

.post .meta {
    margin-bottom: 30px;
}

.post img {
    width: 300px;
    border-radius: 50%;
    display: block;
    margin: 0 auto 30px;
}


/* Footer */
.footer {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 200px;
}

.footer a {
    color: #fff;
}

.footer a:hover {
    color:#28a745;
}

.footer .social > * {
    margin-right: 30px;
}







/* Mobile */
@media(max-width: 768px) {
    /* .navbar {
        flex-direction: column;
        height: 120px;
        padding: 20px;
    } */
    
    .navbar a {
        padding: 10px 10px;
        margin: 0 3px;
    }

    .flex-items {
        flex-direction: column;
    }

    .flex-columns .column, .flex-grid .column {
        flex: 100%;
        max-width: 100%;
    }

    .team img {
        width: 70%;
    }



    .hamburger-menu {
        display: block;
    }
 
  nav {
        display: none;
    }



    .hero .content h1 {
        font-size: 35px;

    }
    
    .hero .content p {
        font-size: 18px;
        max-width: 600px;
        margin: 50px 0 30px;
    }

    .baima_btn {
        display: block;
        padding-top: 2px;
        padding-left: 12px;
        width: 60px;
        height: 30px;
        color: #fff;
        background-color: #28a745;
        border: none;
        border-radius: 5px;
    }

    .zhihu {
        font-size: 1rem;
        line-height: 1.2;
    }
    
}