body {
    background-color: black;
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
}

.content {
    position: absolute;
    width: 80%;
    /* 设置PC端内容宽度为80% */
    max-width: 1200px;
    /* 限制最大宽度 */
    height: 100%;
    background-image: url('../img/bg.jpg');
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    left: 50%;
    transform: translateX(-50%);
}

.language-switch {
    width: 180px;
    height: 40px;
    background-color: rgba(0, 0, 0, 0.3);
    font-size: 16px;
    position: absolute;
    top: 20px;
    right: 20px;
    border-radius: 10px;
    color: #fff;
    text-align: center;
    line-height: 40px;
}

.qr-code {
    position: absolute;
    width: 53.6px;
    height: 82.04px;
    left: 24px;
    bottom: 64px;
    background-image: url('../img/ewm.jpg');
    background-size: contain;
    /* 完整显示图片 */
    background-repeat: no-repeat;
    /* 禁用重复 */
    background-position: center;
    /* 居中显示 */
}

.logo {
    width: 169px;
    height: 97.17px;
    margin: 77px auto 0 auto;
    background-image: url('../img/logo.png');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}

.login-box {
    width: 364.52px;
    height: 201.79px;
    margin: 63px auto 0 auto;
    background-color: #80808026;
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px;
}

.login-box input {
    width: 80%;
    height: 40px;
    margin: 10px 0;
    padding: 5px;
    border-radius: 5px;
    border: 1px solid #ccc;
}

.login-box button {
    width: 85%;
    height: 40px;
    background-color: #d4af37;
    border: none;
    border-radius: 5px;
    color: white;
    font-size: 18px;
    cursor: pointer;
}

.notice {
    margin: 15px auto 0px;
    width: 580px;
    font-size: 14px;
    text-align: center;
    color: white;
}

.customer-service {
    margin-top: 20px;
    width: 100%;
    text-align: center;
    color: white;
}

.footer {
    position: absolute;
    bottom: 10px;
    width: 100%;
    text-align: center;
    color: white;
    font-size: 12px;
}

@media (max-width: 768px) {
    .content {
        width: 100%;
    }

    .qr-code {
        display: none;
    }

    .language-switch {
        width: 40px;
        height: 40px;
        background-image: url('globe-icon.png');
        background-size: cover;
        text-indent: -9999px;
        position: relative;
        margin: 20px auto;
    }

    .login-box {
        width: 90%;
    }

    .notice {
        width: 90%;
    }
}