body {
    font-family: 'Roboto', sans-serif;
    font-size: 16px;
    font-weight: 300;
    color: #888;
    line-height: 30px;
    text-align: center;
}

strong {
    font-weight: 500;
}

a, a:hover, a:focus {
    color: #4aaf51;
    text-decoration: none;
    -o-transition: all .3s;
    -moz-transition: all .3s;
    -webkit-transition: all .3s;
    -ms-transition: all .3s;
    transition: all .3s;
}

h1, h2 {
    margin-top: 10px;
    font-size: 38px;
    font-weight: 100;
    color: #555;
    line-height: 50px;
}

h3 {
    font-size: 22px;
    font-weight: 300;
    color: #555;
    line-height: 30px;
}

img {
    max-width: 100%;
}

::-moz-selection {
    background: #4aaf51;
    color: #fff;
    text-shadow: none;
}

::selection {
    background: #4aaf51;
    color: #fff;
    text-shadow: none;
}

.btn-link-1 {
    display: inline-block;
    height: 50px;
    margin: 5px;
    padding: 16px 20px 0 20px;
    background: #4aaf51;
    font-size: 16px;
    font-weight: 300;
    line-height: 16px;
    color: #fff;
    -moz-border-radius: 4px;
    -webkit-border-radius: 4px;
    border-radius: 4px;
}

.btn-link-1:hover, .btn-link-1:focus, .btn-link-1:active {
    outline: 0;
    opacity: 0.6;
    color: #fff;
}

.btn-link-1.btn-link-1-facebook {
    background: #4862a3;
}

.btn-link-1.btn-link-1-twitter {
    background: #55acee;
}

.btn-link-1.btn-link-1-google-plus {
    background: #dd4b39;
}

.btn-link-1 i {
    padding-right: 5px;
    vertical-align: middle;
    font-size: 20px;
    line-height: 20px;
}

.btn-link-2 {
    display: inline-block;
    height: 50px;
    margin: 5px;
    padding: 15px 20px 0 20px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid #fff;
    font-size: 16px;
    font-weight: 300;
    line-height: 16px;
    color: #fff;
    -moz-border-radius: 4px;
    -webkit-border-radius: 4px;
    border-radius: 4px;
}

.btn-link-2:hover, .btn-link-2:focus,
.btn-link-2:active, .btn-link-2:active:focus {
    outline: 0;
    opacity: 0.6;
    background: rgba(0, 0, 0, 0.3);
    color: #fff;
}

/***** Top content *****/

.inner-bg {
    padding: 50px 0 100px 0;
}

.top-content .text {
    color: #fff;
}

.top-content .text h1 {
    color: #fff;
}

.top-content .description {
    margin: 20px 0 10px 0;
}

.top-content .description p {
    opacity: 0.8;
}

.top-content .description a {
    color: #fff;
}

.top-content .description a:hover,
.top-content .description a:focus {
    border-bottom: 1px dotted #fff;
}

.form-box {
    margin-top: 35px;
}

.form-top {
    overflow: hidden;
    padding: 0 25px 0 25px;
    background: #fff;
    -moz-border-radius: 20px 20px 0 0;
    -webkit-border-radius: 6px 6px 0 0;
    border-radius: 4px 4px 0 0;
    text-align: left;
}

.form-top-left {
    float: left;
    width: 75%;
    padding-top: 20px;
    text-align: center;
}

.form-top-left h3 {
    margin-top: 0;
}

.form-top-right {
    float: left;
    width: 25%;
    padding-top: 5px;
    font-size: 66px;
    color: #ddd;
    line-height: 30px;
    text-align: right;
}

.form-bottom {
    padding: 25px 25px 30px 25px;
    background: #eee;
    -moz-border-radius: 0 0 4px 4px;
    -webkit-border-radius: 0 0 4px 4px;
    border-radius: 0 0 4px 4px;
    text-align: left;
}

.form-bottom form textarea {
    height: 100px;
}

.form-bottom form button.btn {
    width: 100%;
}

.form-bottom form .input-error {
    border-color: #4aaf51;
}

.social-login {
    margin-top: 35px;
}

.social-login h3 {
    color: #fff;
}

.social-login-buttons {
    margin-top: 25px;
}

/***** Media queries *****/

@media (min-width: 992px) and (max-width: 1199px) {
}

@media (min-width: 768px) and (max-width: 991px) {
}

@media (max-width: 767px) {

    .inner-bg {
        padding: 60px 0 110px 0;
    }

}

@media (max-width: 415px) {

    h1, h2 {
        font-size: 32px;
    }

}
/*气泡效果*/

.bg-bubbles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.bg-bubbles li {
    position: absolute;
    list-style: none;
    display: block;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.25);
    bottom: -160px;
    -webkit-animation: square 25s infinite;
    animation: square 25s infinite;
    -webkit-transition-timing-function: linear;
    transition-timing-function: linear;
}

.bg-bubbles li:nth-child(1) {
    left: 10%;
}

.bg-bubbles li:nth-child(2) {
    left: 20%;
    width: 80px;
    height: 80px;
    -webkit-animation-delay: 2s;
    animation-delay: 2s;
    -webkit-animation-duration: 17s;
    animation-duration: 17s;
}

.bg-bubbles li:nth-child(3) {
    left: 25%;
    -webkit-animation-delay: 4s;
    animation-delay: 4s;
}

.bg-bubbles li:nth-child(4) {
    left: 40%;
    width: 60px;
    height: 60px;
    -webkit-animation-duration: 22s;
    animation-duration: 22s;
    background-color: rgba(255, 255, 255, 0.25);
}

.bg-bubbles li:nth-child(5) {
    left: 70%;
}

.bg-bubbles li:nth-child(6) {
    left: 80%;
    width: 120px;
    height: 120px;
    -webkit-animation-delay: 3s;
    animation-delay: 3s;
    background-color: rgba(255, 255, 255, 0.2);
}

.bg-bubbles li:nth-child(7) {
    left: 32%;
    width: 160px;
    height: 160px;
    -webkit-animation-delay: 7s;
    animation-delay: 7s;
}

.bg-bubbles li:nth-child(8) {
    left: 55%;
    width: 20px;
    height: 20px;
    -webkit-animation-delay: 15s;
    animation-delay: 15s;
    -webkit-animation-duration: 40s;
    animation-duration: 40s;
}

.bg-bubbles li:nth-child(9) {
    left: 25%;
    width: 10px;
    height: 10px;
    -webkit-animation-delay: 2s;
    animation-delay: 2s;
    -webkit-animation-duration: 40s;
    animation-duration: 40s;
    background-color: rgba(255, 255, 255, 0.3);
}

.bg-bubbles li:nth-child(10) {
    left: 90%;
    width: 160px;
    height: 160px;
    -webkit-animation-delay: 11s;
    animation-delay: 11s;
}

@-webkit-keyframes square {
    0% {
        -webkit-transform: translateY(0);
        transform: translateY(0);
    }
    100% {
        -webkit-transform: translateY(-700px) rotate(1200deg);
        transform: translateY(-700px) rotate(1200deg);
    }
}

@keyframes square {
    0% {
        -webkit-transform: translateY(0);
        transform: translateY(0);
    }
    100% {
        -webkit-transform: translateY(-700px) rotate(600deg);
        transform: translateY(-700px) rotate(600deg);
    }
}