/* V6-Test 共用样式 */
*{margin:0;padding:0;box-sizing:border-box;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto}
body{
    background:#0b1220;color:#e6edf7;
    min-height:100vh;
    display:flex;
    flex-direction:column;
    align-items:center;
    justify-content:center;
    padding:20px;
    position:relative;
}
.lang-switch{
    position:absolute;
    top:20px;
    left:20px;
    padding:8px 16px;
    background:#152038;
    border:1px solid #42a5ff;
    color:#42a5ff;
    border-radius:8px;
    cursor:pointer;
}
.lang-switch:hover{
    background:#42a5ff;
    color:#0b1220;
}
.joke-btn{
    position:absolute;
    top:20px;
    right:20px;
    padding:8px 16px;
    background:#c0392b;
    border:1px solid #e74c3c;
    color:#fff;
    border-radius:8px;
    cursor:pointer;
    text-decoration:none;
    font-size:14px;
}
.joke-btn:hover{
    background:#e74c3c;
    color:#fff;
}
.btn-retest{
    margin-top:20px;
    padding:8px 20px;
    background:#0b1220;
    border:1px solid #42a5ff;
    color:#42a5ff;
    border-radius:8px;
    cursor:pointer;
    font-size:14px;
}
.btn-retest:hover{
    background:#42a5ff;
    color:#0b1220;
}
.card{
    background:#152038;padding:42px;border-radius:18px;
    max-width:620px;width:100%;text-align:center
}
h1{color:#42a5ff;margin-bottom:28px;font-size:30px}
.ipbox{
    font-family:Consolas,monospace;padding:18px;background:#0b1220;
    border-radius:12px;margin-bottom:20px;word-break:break-all;font-size:19px
}
.ok{color:#59fa89}
.fail{color:#ff7777}
.tip{color:#99a8c2;font-size:14px;line-height:1.7}
.copyright{
    margin-top:40px;
    font-size:12px;
    color:#7488b0;
    text-align:center;
}
/* 独立中英文容器，完全互斥 */
.en-wrap{display:none;}
.zh-wrap{display:block;}
html.en .zh-wrap{display:none !important;}
html.en .en-wrap{display:block !important;}