html, body {
    height: 100%;
    margin: 0;
    padding: 0;
}
.body {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    min-height: 100vh;
    background: url(../images/logonBg.jpg) no-repeat center / cover;
    overflow-x: hidden;
    overflow-y: auto;
    box-sizing: border-box;
}

/* 顶部链接 */
.body .linkArea {
    position: fixed;
    top: 0;
    right: 0;
    z-index: 10;
    padding: 3vh 3vw;
    line-height: 1;
}
.body .linkArea a {
    color: #fff;
    font-size: 18px;
    text-decoration: none;
    margin-left: 2vw;
    margin-right: 0 !important;
}
.body .linkArea a:hover {
    text-decoration: underline;
}

/* 标题 */
.body h1 {
    font-size: 46px;
    letter-spacing: 6px;
    color: #fff;
    text-align: center;
    margin: 2vh 2vw 0;
    padding: 0;
    line-height: 1.3;
    max-width: 90vw;
}

/* 登录框 */
.logon {
    width: 422px;
    max-width: 90vw;
    min-width: 300px;
    height: auto;
    min-height: 400px;
    margin: 8vh auto;
    padding: 24px 0 16px;
    background: url(../images/logonDiv.png) no-repeat center / 100% 100%;
    text-align: center;
    box-sizing: border-box;
    flex-shrink: 0;
}

.logon .loginType {
    width: 100%;
    margin-top: 0;
}
.logon .loginType div {
    height: 50px;
    line-height: 50px;
    color: #fff;
    width: 50%;
    text-align: center;
    font-size: 24px;
    border-bottom: solid 2px #0081FE;
    cursor: pointer;
    box-sizing: border-box;
}
.logon .loginType div.l { float: left; }
.logon .loginType div.r { float: right; }
.logon .loginType div.active { background-color: #0081FE; }
.logon .loginType::after {
    content: '';
    display: table;
    clear: both;
}

.logon .label1 {
    width: 300px;
    max-width: 78%;
    height: 40px;
    background: #fff;
    border-radius: 6px;
    display: block;
    margin: 0 auto 24px;
    line-height: 40px;
    color: #051768;
    font-size: 20px;
}
.logon .label1 i { font-size: 20px; vertical-align: top; }
.logon .label1 input {
    vertical-align: top;
    padding: 8px 0 0 10px;
    font-size: 16px;
    border: none;
    outline: none;
    background: transparent;
    width: calc(100% - 40px);
}

.logon .label2 {
    width: 300px;
    max-width: 78%;
    height: 40px;
    border-radius: 6px;
    display: block;
    margin: 0 auto 24px;
    line-height: 40px;
    color: #051768;
    font-size: 16px;
}
.logon .label2 input {
    padding: 0 0 0 16px;
    height: 40px;
    display: inline-block;
    line-height: 40px;
    background: #fff;
    border-radius: 6px;
    width: 55%;
    min-width: 110px;
    font-size: 16px;
    border: none;
    outline: none;
    box-sizing: border-box;
}
#checkCode {
    display: inline-block;
    vertical-align: top;
    height: 40px;
}
#checkCode img {
    height: 40px;
    border-radius: 4px;
    cursor: pointer;
}

.labelBtn {
    width: 300px;
    max-width: 78%;
    height: 40px;
    background-image: linear-gradient(0deg, #0060ff 0%, #0096ff 100%);
    border-radius: 6px;
    margin: 0 auto;
    color: #fff;
    font-size: 20px;
    letter-spacing: 10px;
    display: block;
    border: none;
    cursor: pointer;
}
.labelBtn:hover { opacity: .9; }
.labelBtn:disabled { opacity: .5; cursor: not-allowed; }

.logon .version {
    font-size: 16px;
    color: #fff;
    margin-top: 8px;
    display: inline-block;
}

/* —— 响应式 —— */

@media screen and (max-width: 900px) {
    .body h1 {
        font-size: 5vw;
        letter-spacing: 0.4vw;
    }
    .logon {
        width: 80vw;
        min-width: 300px;
        max-width: 420px;
        min-height: 360px;
        padding: 20px 0 14px;
    }
    .logon .loginType div { font-size: 2.4vw; }
    .logon .label1 { margin-bottom: 18px; }
    .logon .label2 { margin-bottom: 18px; }
}

@media screen and (max-width: 600px) {
    .body .linkArea {
        padding: 2vh 3vw;
    }
    .body .linkArea a {
        font-size: 14px;
        margin-left: 3vw;
    }
    .body h1 {
        font-size: 3.8vw;
        letter-spacing: 0.2vw;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        max-width: 95vw;
    }
    .logon {
        width: 88vw;
        min-width: unset;
        max-width: 380px;
        min-height: 320px;
        padding: 14px 0 10px;
        margin: 2vh auto;
    }
    .logon .loginType div {
        font-size: 14px;
        height: 40px;
        line-height: 40px;
    }
    .logon .label1,
    .logon .label2,
    .labelBtn {
        width: 85%;
        max-width: 240px;
    }
    .logon .label1 {
        height: 36px;
        line-height: 36px;
        margin-bottom: 14px;
        font-size: 16px;
    }
    .logon .label1 i { font-size: 16px; }
    .logon .label1 input {
        font-size: 14px;
        padding-top: 6px;
        width: calc(100% - 36px);
    }
    .logon .label2 {
        height: 36px;
        line-height: 36px;
        margin-bottom: 14px;
    }
    .logon .label2 input {
        height: 36px;
        line-height: 36px;
        font-size: 14px;
        width: 56%;
        min-width: 90px;
        padding-left: 10px;
    }
    #checkCode,
    #checkCode img { height: 36px; }
    .labelBtn {
        height: 36px;
        font-size: 15px;
        letter-spacing: 6px;
    }
    .logon .version { font-size: 13px; }
}

@media screen and (max-width: 400px) {
    .body h1 {
        font-size: 4.2vw;
        padding-top: 30px;
    }
    .logon {
        width: 94vw;
        min-height: 280px;
        padding: 10px 0 8px;
    }
    .logon .loginType div {
        font-size: 12px;
        height: 34px;
        line-height: 34px;
    }
    .logon .label1,
    .logon .label2,
    .labelBtn {
        width: 90%;
        max-width: 200px;
    }
    .logon .label1 {
        height: 32px;
        line-height: 32px;
        margin-bottom: 10px;
        font-size: 14px;
    }
    .logon .label1 input {
        font-size: 12px;
        padding-top: 5px;
        width: calc(100% - 32px);
    }
    .logon .label2 {
        height: 32px;
        line-height: 32px;
        margin-bottom: 10px;
    }
    .logon .label2 input {
        height: 32px;
        line-height: 32px;
        font-size: 12px;
        width: 54%;
        min-width: 70px;
        padding-left: 8px;
    }
    #checkCode,
    #checkCode img { height: 32px; }
    .labelBtn {
        height: 32px;
        font-size: 13px;
        letter-spacing: 4px;
    }
    .logon .version { font-size: 11px; }
}

/* 超宽屏：限制最大尺寸，保持舒适阅读 */
@media screen and (min-width: 1800px) {
    .body h1 { font-size: 3.2vw; }
    .logon { width: 28vw; max-width: 520px; min-height: 30vh; }
}