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

    body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #fff;
    color: #000;
    font-size: 15px;
    line-height: 1.5;
    }

    a {
    color: #262626;
    text-decoration: none;
    }

    ul {
    list-style: none;
    }

    .container {
    width: 90%;
    max-width: 1100px;
    margin: auto;
    }

    /* Nav */
    .main-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
    padding: 20px 0;
    font-size: 13px;
    }

    .main-nav .logo {
    width: 110px;
    }

    .main-nav ul {
    display: flex;
    }

    .main-nav ul li {
    padding: 0 10px;
    }

    .main-nav ul li a {
    padding-bottom: 2px;
    }

    .main-nav ul li a:hover {
    border-bottom: 2px solid #262626;
    }

    .main-nav ul.main-menu {
    flex: 1;
    margin-left: 20px;
    }
    .greenLogo{
        height:40px;
        width:40px;
    }
    .menu-btn {
    cursor: pointer;
    position: absolute;
    top: 20px;
    right: 30px;
    z-index: 2;
    display: none;
    }

    .btn {
    cursor: pointer;
    display: inline-block;
    border: 0;
    font-weight: bold;
    padding: 10px 20px;
    background: #262626;
    color: #fff;
    font-size: 15px;;
    }

    .btn:hover {
    opacity: 0.9;
    }

    .dark {
    color: #fff;
    }

    .dark .btn {
    background: #f4f4f4;
    color: #333;
    }

    /* Showcase */
    .showcase {
    width: 100%;
    height: 400px;
    background: url('./现代农业建设方案.jpg') no-repeat center center/cover;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    justify-content: flex-end;
    padding-bottom: 50px;
    margin-bottom: 20px;
    }

    .showcase h2, .showcase p {
    margin-bottom: 10px;
    }

    .showcase .btn {
    margin-top: 20px;
    }

    /* Home cards */
    .home-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-gap: 20px;
    margin-bottom: 40px;
    }

    .home-cards img {
    width: 100%;
    margin-bottom: 20px;
    }

    .home-cards h3 {
    margin-bottom: 5px;
    }

    .home-cards a {
    display: inline-block;
    padding-top: 10px;
    color: #0067b8;
    text-transform: uppercase;
    font-weight: bold;
    }

    .home-cards a:hover i {
    margin-left: 10px;
    }

    /* Xbox */
    .xbox {
    width: 100%;
    height: 350px;
    background: url('https://i.ibb.co/tBJGPD9/xbox.png') no-repeat center center/cover;
    margin-bottom: 20px;
    }

    .xbox .content {
    width: 40%;
    padding: 50px 0 0 30px;
    }

    .xbox p, .carbon p {
    margin: 10px 0 20px;
    }

    /* Carbon */
    .carbon {
    width: 100%;
    height: 350px;
    background: url('https://i.ibb.co/72cgtsz/carbon.jpg') no-repeat center center/cover;
    }

    .carbon .content {
    width: 55%;
    padding: 100px 0 0 30px;
    }

    /* Follow */
    .follow {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    margin: 30px 0 30px;
    }

    .follow * {
    margin-right: 10px;
    }

    /* Links */
    .links {
    background: #f2f2f2;
    color: #616161;
    font-size: 12px;
    padding: 35px 0;
    }

    .links-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    grid-gap: 10px;
    align-items: flex-start;
    justify-content: center;
    }

    .links li {
    line-height: 2.8;
    }

    /* Footer */
    .footer {
    background: #f2f2f2;
    color: #616161;
    font-size: 12px;
    padding: 20px 0;
    }

    .footer-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    }

    .footer div {
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    }

    .footer div i {
    margin-right: 10px;
    }

    .footer ul {
    display: flex;
    flex-wrap: wrap;
    }

    .footer li {
    margin-right: 30px;
    margin-bottom: 20px;
    }

    @media(max-width: 700px) {
    .menu-btn {
    display: block;
    }

    .menu-btn:hover {
    opacity: 0.5;
    }

    .main-nav ul.right-menu {
    margin-right: 50px;
    }

    .main-nav ul.main-menu {
    display: block;
    position: absolute;
    top:0;
    left: 0;
    background: #f2f2f2;
    width: 50%;
    height: 100%;
    border-right: #ccc 1px solid;
    opacity: 0.9;
    padding: 30px;
    transform: translateX(-500px);
    transition: transform 0.5s ease-in-out;
    }

    .main-nav ul.main-menu li {
    padding: 10px;
    border-bottom: #ccc solid 1px;
    font-size: 14px;
    }

    .main-nav ul.main-menu li:last-child {
    border-bottom: 0;
    }

    .main-nav ul.main-menu.show {
    transform: translateX(-20px);
    }

    .home-cards {
    grid-template-columns: repeat(2, 1fr);
    }

    .xbox .content p {
    display: none;
    }

    .xbox .content h2 {
    margin-bottom: 20px;
    }

    .carbon .content {
    width: 85%;
    }

    .links .links-inner {
    grid-template-columns: repeat(2, 1fr);
    }
    }

    @media(max-width: 500px) {
    .home-cards {
    grid-template-columns: 1fr;
    }

    .links .links-inner {
    grid-template-columns: 1fr;
    }

    .links .links-inner ul {
    margin-bottom: 20px;
    }
    }