.content-area {
    max-width: 1100px;
    margin: 0 auto;
    width: 100%;
    padding: 20px 0;
}



.list-area {
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;

}


.place {
    line-height: 20px;
    height: 20px;
    width: 100%;
    padding: 30px 0;
    color: #666;
}

.place i {
    padding-right: 5px;
    padding-left: 1px;
    font-weight: normal;
    font-style: normal;
}

#RightAd1 {
    position: relative;
    width: 300px;
    height: 250px;
    border: 1px solid #ddd;
    padding: 25px 0 0 0;
}

.ads {
    padding: 10px 0;
}



.ads:before {
    display: block;
    position: absolute;
    top: 5px;
    content: "Advertisement";
    font-size: 10px;
    font-weight: 400;
    line-height: 1.2;
    color: #666;
    text-transform: uppercase;
    left: 50%;
    margin-left: -52px
}





.article {
    width: 750px;
    float: left;

}

.rightCol {
    width: 300px;
    float: right;
    margin-top: 68px;
}

.entry-title {
    line-height: 60px;
    /* border-bottom: 1px solid #e3e5e8; */
    margin-top: 10px;
}


.entry-title h1 {
    font-size: 24px;
}


.panel-body {
    padding: 30px 30px 10px 30px;
    background-color: #fff;
    border: 1px solid #e3e5e8;
    border-radius: 4px;
    margin-bottom: 20px;
    box-shadow: 0 0.125rem 0.375rem rgba(0, 0, 0, .15);
    margin-right: 10px;
}




/* ---------- form ------------*/
.form-row {
    display: flex;
    flex-wrap: wrap;
    margin-bottom: 10px;
    margin-left: -15px;
    margin-right: -15px;
}




label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    color: #000000;
    line-height: 26px;
}

.label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    color: #000000;
    line-height: 26px;
    font-size: 16px;
}

.input-group {
    padding: 0 15px;
    flex: 1 0 200px;
}

.form-control {
    display: block;
    width: 100%;
    padding: 10px 10px;
    border-radius: 4px;
    background-color: #ffffff;
    border: 1px solid #dee2e6;
    line-height: 18px;
    box-sizing: border-box;
    -webkit-box-shadow: inset 0 -1px 1px rgba(0, 0, 0, .75);
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, .75);
}

.form-select {
    display: inline-block;
    padding: 10px 0px;
    border-radius: 8px;
    border: 1px solid #dee2e6;
    line-height: 18px;
    box-sizing: border-box;
    margin-left: 5px;

}



.form-generator {
    padding: 0px 0;
    display: flex;
    justify-content: flex-end;
    margin-bottom: 15px;
}

.result-container {
    position: relative;
    /* background-color: #eaf3f7; */
    padding: 0px 0px;
    margin-bottom: 20px;
}

.result-container h3 {
    line-height: 40px;
}

.result-container .result {
    border-radius: 6px;
    background-color: #fff;
    box-shadow: 0 0.125rem 0.375rem rgba(87, 124, 243, 0.15);
    /* box-shadow: 1px 1px 5px 2px rgba(48, 92, 238, 0.5) !important; */
    border: 2px solid #6366f1;
    padding: 10px;
}


.result-container .textarea {
    width: 100%;
    background: #fff;
    color: #000;
    font-size: 16px;
    text-align: center;
    margin: 0 auto;
    outline: 0;
    border: 0;
    list-style-type: none;
}


.icon-copy {
    position: absolute;
    top: 12px;
    right: 5px;
    display: block;
    height: 20px;
    /* background-image: url('../images/copy.png');
    background-size: 100% 100%; */
    cursor: pointer;
    display: flex;
}

.icon-copy .icon {
    width: 20px;
    height: 20px;
    color: #666666 !important;
}

.icon-copy .icon:hover {
    color: #4454f1 !important;
}

.icon-copy .ol {
    margin-right: 5px;
    color: green;
}

.result {
    min-height: 60px;
    font-size: 24px;
}

.col-12 {
    flex: 0 0 auto;
    width: 100%;
}

.d-grid {
    display: grid !important
}

.btn {
    display: inline-block;
    font-weight: 400;
    line-height: 1.5;
    color: #212529;
    text-align: center;
    text-decoration: none;
    vertical-align: middle;
    cursor: pointer;
    border: 1px solid transparent;
    padding: .375rem .75rem;
    font-size: 1rem;
    border-radius: 10px;
}


.btn-primary {
    color: #fff;
    background-color: #6366f1;
    border-color: #6366f1;
}

.btn-primary:hover {
    background-color: #4547f1;
    border-color: #6366f1;
}

.btn-compute {
    display: flex;
    padding: 8px 30px;
}

.btn-reset {
    background-color: #e7e7e7;
    border-color: #e7e7e7;
    color: #6366f1;
    display: flex;
    padding: 8px 30px;
}

.btn-reset:hover {
    background-color: #e7e7e7;
    border-color: #e7e7e7;
    color: #6366f1;
    opacity: 0.8;
}



input[type=text]:focus,
input[type=number]:focus {
    outline: none;
    /* border: 1px solid #409EFF !important;*/
    box-shadow: 1px 1px 5px 1px rgba(22, 116, 209, 0.5) !important;
    border-color: #409EFF;
    /* 橙色边框当输入框被聚焦时 */
}


input[type=text]:focus,
input[type=number]:focus {
    outline: none;
    /* border: 1px solid #409EFF !important;
    box-shadow: 1px 1px 5px 1px rgba(22, 116, 209, 0.5) !important; */
    border-color: #409EFF;
}

select:focus {
    outline: none;
    border-color: #dee2e6;
}

/* 隐藏默认样式 */
input[type="checkbox"] {
    appearance: none;
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    border: 2px solid #ccc;
    border-radius: 4px;
    outline: none;
    cursor: pointer;
    position: relative;
    transition: all 0.2s;

}

/* 选中状态 */
input[type="checkbox"]:checked {
    background-color: #2196F3;
    border-color: #2196F3;
}

/* 创建勾选标记 */
input[type="checkbox"]:checked::after {
    content: "";
    position: absolute;
    left: 5px;
    top: 0px;
    width: 5px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

/* 悬停效果 */
input[type="checkbox"]:hover {
    border-color: #2196F3;
}

/* 禁用状态 */
input[type="checkbox"]:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.radio-container {
    font-size: 14px;
    font-weight: 400;
    display: flex;
    align-items: center;
    margin-right: 10px;
}

.radio-container span {
    line-height: 20px;
    height: 20px;
}

/* 隐藏默认的 radio 按钮 */
input[type="radio"] {
    appearance: none;
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    border: 1px solid #ccc;
    border-radius: 50%;
    outline: none;
    transition: all 0.3s;
    margin-right: 2px;
    position: relative;
    cursor: pointer;
}

/* 选中状态 */
input[type="radio"]:checked {
    border-color: #6366f1;
    background-color: #6366f1;
    box-shadow: inset 0 0 0 2px white;
}

/* 悬停效果 */
input[type="radio"]:hover {
    border-color: #888;
}

/* 禁用状态 */
input[type="radio"]:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}





.panel-box {
    margin-top: 0px;
    padding: 0 20px;
    border-radius: 10px;
    margin-bottom: 20px;
    box-shadow: 0px 1px 10px 1px rgba(0, 0, 0, 0);
}

.panel-box .input-group {
    width: calc(100% - 30px);
    margin-bottom: 10px;
    display: flex;
    flex: none;
    padding: 20px 15px;
    border-bottom: 1px solid #d7d7d7;
    justify-content: space-between;

}

.panel-box .input-group label {
    font-size: 16px;
}

.panel-box .calc_input {
    width: 50%;
    position: relative;
    display: flex;
}

.panel-box .calc_input span {
    position: absolute;
    top: 10px;
    right: 10px;
    background-color: #fff;
}

.panel-box .calc_input .unit {
    position: absolute;
    width: 25px;
    height: 25px;
    top: 10px;
    right: 5px;
    background-color: #fff;
    text-align: center;
}

.panel-box .calc_radio {
    display: flex;
    align-items: center;
    line-height: 26px;
}


.content {
    width: 100%;
    box-sizing: border-box;
}

.content strong {
    line-height: 30px;
    border-bottom: 3px solid #e3e5e8;
    display: inline-block;
    width: 100%;
    margin-bottom: 5px;
}


.content p {
    line-height: 30px;
    font-size: 16px;
    padding: 8px 0;
}


.content img {
    max-width: 95% !important;
    text-align: center;
    display: block;
    margin: 5px auto;
    height: auto;
}

.content table {
    width: 100%;
}

.content table tr td,
.content table tr th {
    border: 1px solid #ddd;
    line-height: 22px;
    padding: 10px;
    background-color: #fff;
}

.entry-content {
    width: 100%;
    box-sizing: border-box;
}

.entry-content p {
    line-height: 26px;
    font-size: 16px;
    padding: 3px 0;
}


.entry-info {
    line-height: 26px;
    color: #666;
}

.entry-info span {
    margin-right: 10px;
}

.list-content {
    display: flex;
    flex-wrap: wrap;
}

.list-content .item {
    width: 33%;
    box-sizing: border-box;
    padding: 20px;
    overflow: hidden;
}

.list-content .item .title {
    font-size: 18px;
    line-height: 28px;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.other {
    width: 100%;
    padding: 10px 0px;
    box-sizing: border-box;
    border-bottom: 1px solid #e3e5e8;
}

.othen-title {
    font-size: 16px;
    font-weight: 600;
    display: block;
    line-height: 36px;
    padding: 0 5px;
}


.other .other-list {
    margin-right: -10px;
}

.other .other-list ul {
    display: flex;
    flex-wrap: wrap;

}

.other .other-list ul li {
    width: 50%;
    margin-bottom: 10px;

}

.other .other-list ul li a {
    position: relative;
    display: block;
    padding: 0 10px;
    min-height: 38px;
    border: 1px solid #999b9c;
    border-radius: 10px;
    margin-right: 10px;
    color: #000;
    display: flex;
    align-items: center;


}

.other .other-list ul li a::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    right: 10px;
    top: 10px;
    background-image: url(../images/right.svg);
    background-size: 20px 20px;
    background-repeat: no-repeat;
}

.other .other-list ul li a:hover {
    background-color: #ddd;
}

.tips {
    padding: 20px 0;
    line-height: 22px;
    border-bottom: 1px solid #e3e5e8;

}


.header .rss {
    display: none;
}

.hot-tools {
    border: 1px solid #ddd;
    border-radius: 2px;
    padding: 10px 15px;
    margin-top: 20px;
}

.hot-tools .hot-tools-title {
    font-size: 18px;
    font-weight: 600;
    display: block;
    line-height: 32px;
    padding: 0 5px;
    color: #666;
}

.hot-tools .hot-tools-list {
    margin-top: 10px;

}

.hot-tools .hot-tools-list ul li {
    width: 100%;
    margin-bottom: 10px;
    display: flex;
    line-height: 20px;
}

.hot-tools .hot-tools-list ul li i {
    width: 20px;
    height: 20px;
    line-height: 20px;
    border: 1px solid #ddd;
    border-radius: 50%;
    color: #666;
    font-weight: 600;
    text-align: center;
    font-style: normal;
    margin-right: 10px;
}





.formula {
    font-family: 'Arial', sans-serif;
    font-size: 18px;
    color: #333;
    background-color: #f8f9fa;
    padding: 15px;
    border-radius: 5px;
    border-left: 4px solid #4285f4;
    margin: 20px 0;
    line-height: 1.6;
    white-space: nowrap;
    overflow-x: auto;
}

.formula span {
    display: inline-block;
    vertical-align: middle;
}

.fraction {
    display: inline-block;
    text-align: center;
    vertical-align: middle;
}

.numerator {
    border-bottom: 1px solid #333;
    padding: 0 5px;
    display: block;
}

.denominator {
    padding: 0 5px;
    display: block;
}

.operator {
    padding: 0 8px;
    font-size: 20px;
}

.form-text {
    text-align: center;
    line-height: 36px;
}


@media screen and (max-width: 992px) {

    .header {
        box-shadow: none !important;
        /* background-color: #f9fafa; */
        border-bottom: 1px solid #e3e5e8;
        background-color: #fff !important;
    }

    .header .rss {
        display: block;
        padding: 0 15px;
        line-height: 50px;

    }

    .header .rss a {
        font-weight: 600;
    }

    .place {
        display: none;
    }

    .content-area {
        width: 100%;
        padding: 15px;
        box-sizing: border-box;
    }

    .rightCol {
        width: 100%;
        margin-bottom: 20px;
        margin-top: 10px;
    }

    #RightAd1 {
        padding: 10px 0;
        width: 100%;
    }

    .ads {
        padding: 10px 0;
        width: 100%;
        overflow: hidden;
    }

    .ads img {
        width: 100%;
    }

    .article {
        width: 100%;
    }

    .content,
    .other {
        padding: 0 5px;
    }

    .othen-title {
        padding: 0;
    }

    .tips {
        padding: 20px 5px;
    }

    .content table {
        width: 100%;
    }

    .content table tr td,
    .content table tr th {
        border: 1px solid #ddd;
        line-height: 22px;
        padding: 10px 5px;

    }

    .content-area h1 {
        font-size: 20px;
        line-height: 46px;
    }

    .panel-body {
        padding: 20px 20px 0 20px;
        margin-right: 0px;
    }

    .input-group {
        margin-bottom: 10px;
    }


    .btn-compute {
        width: 100%;
        justify-content: center;
    }

    .btn-reset {
        width: 100%;
        justify-content: center;
    }

    .panel-box {
        width: 100%;
        box-shadow: 0px 1px 10px 1px rgba(0, 0, 0, 0);
        padding: 0;
        margin: 0;
    }

    .other .other-list ul li {
        width: 100%;
    }

}