.form-container {
    max-width: 90%;
    margin: 20px auto;
    padding: 20px;
    background-color: #f8f9fa;
    border: 1px solid #ddd;
    border-radius: 5px;
}

.form-title {
    color: #28a745;
    border-bottom: 2px solid #28a745;
    padding-bottom: 10px;
    margin-bottom: 20px;
}

.form-control {
    border: 1px solid #ced4da;
}

::placeholder, .form-control::placeholder {
    color: #9EA7AE;
    opacity: 1;
}

main {
    background-color: #E1EFF6;
}

header {
    z-index: 2;
    box-shadow: 0 0 6px rgba(0,0,0,0.25);
}

header img {
    height: 24px;
    padding-right: 10px;
}

.bg-light {
    background-color: #fcfcfc !important;
}

.navbar {
    padding: 0.4em 1em;
}

.navbar-brand {
    color: #456473 !important
}

header nav .navbar-nav a {
    font-size: 1.1em;
    position: relative;
    padding: 0.3em 0.8em !important;
}

/*    header nav .navbar-nav a::before {
        position: absolute;
        content: "";
        height: 50%;
        border-right: 1px solid #ddd;
        right: 0;
        top: calc(50% - 0.45em);
    }*/

.page_header {
    background-color: #E1EFF6;
    background-image: url(../img/renewable1.png);
    background-repeat: no-repeat;
    background-position: right bottom;
    background-size: 35%;
    padding-top: 40px;
    padding-bottom: 140px;
}

.page_header_text h1 {
    color: #1E4C5A;
    font-weight: bold;
    font-size: 3rem;
}

.page_header_text h2 {
    color: #227CA2;
    font-size: 1.5rem;
}

.page_header_text table {
    font-size: 1.2rem;
}

    .page_header_text table th {
        white-space: nowrap;
        flex-shrink: 0;
        width: 1%;
        vertical-align: top;
        text-align: right;
        padding-right: 4px;
    }

.custom_enter_btn {
    font-size: 1.5rem;
    background-color: #1A6F42;
    border-radius: 2.2rem;
    color: #fff;
}

    .custom_enter_btn:hover {
        background-color: #145d36;
        color: #fff;
    }

.system_announcement {
    position: relative;
    margin-right: 40px;
    border-top-right-radius: 80px;
}

    .system_announcement h2, .system_explain h2 {
        font-weight: bold;
        font-size: 2.4rem;
        margin-top: 60px;
        color: #4D4D4D;
        text-align: center;
        position: relative;
        z-index: 2;
    }

        .system_announcement h2::before, .system_explain h2::before {
            position: absolute;
            content: "";
            width: 120px;
            height: 4px;
            border-radius: 2px;
            background-color: #4D4D4D;
            top: -12px;
            left: calc(50% - 60px);
        }

    .system_announcement .system_announcement_list {
        background-color: #fcfcfc;
        margin-top: 180px;
        position: relative;
        min-height: 200px;
        border: 1px solid #CECBCB;
        box-shadow: inset 0 2px 12px rgba(0,0,0,0.1);
    }

.system_announcement_list::before {
    content: "";
    position: absolute;
    width: 400px;
    height: 350px;
    background-image: url(../img/sysbg1.png);
    background-repeat: no-repeat;
    background-size: 100%;
    background-position: left bottom;
    bottom: 0px;
    z-index: 1;
}

.system_announcement_list::after {
    content: "";
    position: absolute;
    width: 774px;
    height: 84px;
    background-image: url(../img/sysbg2.png);
    background-repeat: repeat;
    background-size: 50%;
    background-position: top right;
    right: 0px;
    top: -84px;
    z-index: 0;
}

.system_announcement_list ul li {
    border-bottom: 1px dotted #333;
}

.system_announcement .system_announcement_list .system_announcement_list_li {
    position: relative;
    font-size: 1.2rem;
}

.system_explain {
    margin-right: 40px;
    margin-bottom: 40px;
    border-bottom-right-radius: 40px;
}

.system_explain-li {
    transition: .3s all;
}

    .system_explain-li:nth-child(odd) {
        background-color: #f3f3f3;
    }

.system_explain p {
    color: #444;
}

.system_explain .icon {
    display: inline-block;
    padding: 4px 10px;
    background-color: #1E4C5A;
    border-top-left-radius: 30px;
    border-bottom-right-radius: 30px;
    margin-bottom: 12px;
}

.system_explain i {
    font-size: 2em;
    color: #fff;
}

footer {
    margin-top: auto;
    background-color: #fcfcfc;
}

    footer > div, footer .list {
        display: block;
    }

@media (max-width:991.98px) {
    .system_announcement {
        background-image: none;
    }

    .system_announcement_list::before {
        display: none;
    }
}

@media (min-width:992px) {
    .page_header {
        padding-top: 90px;
        padding-bottom: 90px;
        background-size: 50%;
    }

    .page_header_text {
        padding-left: 30px;
    }

        .page_header_text h1 {
            font-size: 3.6rem;
        }

        .page_header_text h2 {
            font-size: 2.1rem;
        }

        .page_header_text ul {
            font-size: 1.3rem;
        }

    footer > div {
        display: flex;
    }
}

@media (min-width:1200px) {
    .page_header {
        padding-top: 180px;
        padding-bottom: 150px;
    }

    .page_header_text {
        padding-left: 60px;
    }

    footer .list {
        display: flex;
    }
}