/* ===== 暗黑模式适配（body.night）===== */
.night .kin_box { background:#1a1d24 !important; color:#e6e8eb !important; }
.night .kin_input_text { background:#222630 !important; color:#e6e8eb !important; border-color:#3a3f48 !important; }
.night .kin_input_text::placeholder { color:#8a8f98 !important; }
.night .kin_quick_btn { background:#222630 !important; border-color:#3a3f48 !important; color:#e6e8eb !important; }
.night .kin_quick_btn:hover { background:#ff7824 !important; border-color:#ff7824 !important; color:#fff !important; }
.night .kin_result { background:#222630 !important; }
.night .kin_radio_row label, .night .kin_label { color:#e6e8eb !important; }


.kin_box{
    box-sizing:border-box;
    width:100%;
    padding:18px;
    background:#ffffff;
    border-radius:14px;
    color:#333;
    font-size:16px;
    line-height:1.7;
}
.kin_title{
    text-align:center;
    font-size:22px;
    font-weight:bold;
    margin:0 0 20px 0;
}
.kin_item{
    margin-bottom:14px;
}
.kin_label{
    display:block;
    margin-bottom:6px;
}
.kin_radio_row{
    margin-bottom:12px;
    display:flex;
    align-items:center;
    gap:6px;
}
.kin_input_text{
    width:100%;
	height:80px;
    padding:5px 11px;
    border:1px solid #d1d5db !important;
    border-radius:8px;
    font-size:16px;
    box-sizing:border-box;
    background:#fff;
    appearance:none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    resize:none;
}
.kin_input_text:focus{
    outline: none;
    border-color:#39b54a;
    box-shadow:0 0 0 3px rgba(57,181,74,0.12);
}
.kin_input_text::placeholder{
    color:#9ca3af;
}
.kin_quick_btn_group{
    display:flex;
    flex-wrap:wrap;
    gap:8px;
    margin:12px 0;
}
.kin_quick_btn{
    padding:10px 16px;
    border:1px solid #e5e5e5;
    background:#fffbf5;
    border-radius:12px;
    font-size:16px;
    cursor:pointer;
    transition:all 0.2s ease;
}
.kin_quick_btn:hover{
    background:#ff7824;
    border-color:#ff7824;
    color:#ffffff;
}
.kin_quick_btn:active{
    transform:translateY(2px);
    box-shadow:inset 0 2px 4px rgba(0,0,0,0.1);
}
.kin_btn_group{
    display:flex;
    gap:12px;
    margin:16px 0;
}
.kin_btn_back,.kin_btn_clear,.kin_btn_calc{
    padding:11px 24px;
    color:#fff;
    border:0;
    border-radius:8px;
    font-size:16px;
    cursor:pointer;
    transition:all 0.2s ease;
}
.kin_btn_back{
    background:#39b54a;
}
.kin_btn_back:hover{
    background:#329e3f;
}
.kin_btn_back:active{
    transform:translateY(2px);
    box-shadow:inset 0 2px 4px rgba(0,0,0,0.15);
}
.kin_btn_clear{
    background:#2980b9;
}
.kin_btn_clear:hover{
    background:#2471a3;
}
.kin_btn_clear:active{
    transform:translateY(2px);
    box-shadow:inset 0 2px 4px rgba(0,0,0,0.15);
}
.kin_btn_calc{
    background:#e67e22;
}
.kin_btn_calc:hover{
    background:#d35400;
}
.kin_btn_calc:active{
    transform:translateY(2px);
    box-shadow:inset 0 2px 4px rgba(0,0,0,0.15);
}
.kin_result{
    margin-top:16px;
    padding:14px;
    background:#f6f8fc;
    border-radius:10px;
    min-height:180px;
    white-space:pre-line;
    border:1px solid #e8e8e8;
}
.kin_radio_row input[type="radio"]{
    appearance:none;
    width:18px;
    height:18px;
    margin-right:5px;
    border:1px solid #999;
    border-radius:3px;
    position:relative;
    cursor:pointer;
    vertical-align:middle;
}
.kin_radio_row input[type="radio"]:checked{
    border-color:#39b54a;
    background:#39b54a;
}
.kin_radio_row input[type="radio"]:checked::after{
    content:"✓";
    color:#fff;
    font-size:13px;
    position:absolute;
    top:-2px;
    left:2px;
}
@media (max-width:720px){
.kin_box{
    padding:14px;
    font-size:15px;
}
.kin_btn_group{
    flex-direction:column;
}
.kin_quick_btn{
    flex:1;
    min-width:70px;
}
}
.kin_neirong{
    clear:both;
    color:#525252;
    padding:10px;
    border-radius:10px;
    border:1px solid #e8e8e8;
    font-size:16px;
    margin-top:20px;
    line-height:20px;
}
.kin_neirong .kin_biaoti{
    clear:both;
    color:#525252;
    border:1px solid #fff;
    font-size:20px;
    font-weight:bold;
    padding-top:5px;
    padding-right:5px;
    padding-bottom:0;
    padding-left:5px;
}
.kin_neirong img{
    border-radius:8px;
    margin-bottom:10px;
    max-width:100%;
    height:auto;
}