:root {
    --h1-color: #1a497c;
    --h2-color: #2c6cb0;
    --h3-color: #4a90d9;
    --background-color: #f9f9f9;
    --border-radius: 20px;
}

body {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 5px;
    background: var(--background-color);
    color: #444;
    -webkit-user-select: none; /* Safari/Chrome  禁止拷贝*/
    -moz-user-select: none; /* Firefox */
    -ms-user-select: none; /* IE/Edge */
    user-select: none;
}

.tdcontainer {
    /*max-width: 800px;*/
    margin: 0 auto;
    background: white;
    padding: 15px;
    border-radius: var(--border-radius);
    box-shadow: 0 3px 15px rgba(0,0,0,0.01);
    margin-bottom: 30px;
    margin-top: 20px;
   
    h1{
        color: var(--h1-color);
        font-size: 2.1em;
        margin: 1.2em 0 0.5em;
        padding-bottom: 0.4em;
        border-bottom: 3px solid var(--h1-color);
        letter-spacing: -0.5px;
        text-align: center;
    }

    h2 {
        color: var(--h2-color);
        font-size: 2.1em;
        margin: 0 0 1em;
        /*border-bottom: 3px solid var(--h2-color);*/
        /*padding-left: 15px;*/
        /*border-left: 4px solid var(--h2-color);*/
        text-align: center;
    }
        h2::after {
            content: "";
            display: block;
            width: 60px;
            height: 4px;
            background: #2c6cb0;
            margin: 5px auto;
        }

    h3 {
        color: var(--h3-color);
        font-size: 1.3em;
        margin: 1.5em 0 0.8em;
        padding-bottom: 0.3em;
        border-bottom: 2px dashed rgba(74,144,217,0.2);
    }
    table {
        width: 100%;
        border-collapse: collapse;
        margin: 20px 0;
        box-shadow: 0 1px 3px rgba(0,0,0,0.05);
    }

    th {
        background: linear-gradient(145deg, #1a497c, #2c6cb0);
        color: white;
        font-weight: 500;
        padding: 14px;
    }

    td {
        padding: 12px;
        border-bottom: 1px solid #e8eff5;
    }
    .section-block p {
    text-indent: 2em; /* 或 14px、30px等单位 */
    }
    .section-block p a {
        color:blue;
    }
}

/* #F1F5F8 背景灰 #F0E4E4 粉色  #E4EEF0 青色  #F0ECE3 土黄  #F1EAE4 土黄 #EDF0E5 黄清 #EFEAE4 清黄 #F0E8E5 粉 #F0E4E6 粉 #F0EBE5 黄*/
.section-block {
    margin: 25px 0;
    padding: 20px;
    background: #f8fbff;
    border-radius: var(--border-radius);
    border: 1px solid rgba(44,108,176,0.1);
}



@media (max-width: 768px) {
    .container {
        padding: 5px;
        h1 {
            font-size: 1.8em;
        }

        h2 {
            font-size: 1.4em;
        }

        h3 {
            font-size: 1.2em;
        }
        table {
            font-size: 0.72em;
        }
    }

    .sh2 {
        font-size: 1.4em;
    }
    .section-block {
        padding: 10px;
    }
}

.sh2 {
    color: var(--h2-color);
    font-size: 1.6em;
    font-weight: bold;
    margin: 1em 0 1em;
    padding-left: 15px;
    text-align: center;
}

.warning-box {
    background: #fff3e0;
    border-left: 4px solid #ffa726;
    padding: 20px;
    margin: 25px 0;
    border-radius: 4px;
}

.scale-table {
    width: 100%;
    border-collapse: collapse;
    margin: 0px 0;
}

.scale-table td {
    padding: 5px;
    border: 0px;
}