       /* 基础样式 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body, input {
            font-family: "Poppins", sans-serif;
        }

        .container {
            position: relative;
            width: 100%;
            background-color: #fff;
            min-height: 100vh;
            overflow: hidden;
        }

        .forms-container {
            position: absolute;
            width: 100%;
            height: 100%;
            top: 0;
            left: 0;
        }

        .signin-signup {
            position: absolute;
            top: 50%;
            transform: translate(-50%, -50%);
            left: 75%;
            width: 50%;
            transition: 1s .7s ease-in-out;
            display: grid;
            grid-template-columns: 1fr;
            z-index: 5;
        }

        form {
            display: flex;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            padding: 0rem 5rem;
            transition: all .2s .7s;
            overflow: hidden;
            grid-column: 1 / 2;
            grid-row: 1 / 2;
        }

        form.sign-up-form {
            opacity: 0;
            z-index: 1;
        }

        form.sign-in-form {
            z-index: 2;
        }

        .title {
            font-size: 2.2rem;
            color: #444;
            margin-bottom: 10px;
        }

        .input-field {
            max-width: 380px;
            width: 100%;
            background-color: #f0f0f0;
            margin: 10px 0;
            height: 55px;
            border-radius: 55px;
            display: grid;
            grid-template-columns: 15% 85%;
            padding: 0 .4rem;
            position: relative;
        }

        .input-field i {
            text-align: center;
            line-height: 55px;
            color: #acacac;
            transition: .5s;
            font-size: 1.1rem;
        }

        .input-field input {
            background: 0;
            outline: 0;
            border: 0;
            line-height: 1;
            font-weight: 600;
            font-size: 1.1rem;
            color: #333;
        }

        .input-field input::placeholder {
            color: #aaa;
            font-weight: 500;
        }

        .btn {
            width: 150px;
            background-color: #5995fd;
            border: 0;
            outline: 0;
            height: 49px;
            border-radius: 49px;
            color: #fff;
            text-transform: uppercase;
            font-weight: 600;
            margin: 10px 0;
            cursor: pointer;
            transition: .5s;
        }

        .btn:hover {
            background-color: #4d84e2;
        }

        .panels-container {
            position: absolute;
            height: 100%;
            width: 100%;
            top: 0;
            left: 0;
            display: grid;
            grid-template-columns: repeat(2, 1fr);
        }

        .container:before {
            content: "";
            position: absolute;
            height: 2000px;
            width: 2000px;
            top: -10%;
            right: 48%;
            transform: translateY(-50%);
            background-image: linear-gradient(-45deg, #4481eb 0, #04befe 100%);
            transition: 1.8s ease-in-out;
            border-radius: 50%;
            z-index: 6;
        }

        .image {
            width: 100%;
            transition: transform 1.1s ease-in-out;
            transition-delay: .4s;
        }

        .panel {
            display: flex;
            flex-direction: column;
            align-items: flex-end;
            justify-content: space-around;
            text-align: center;
            z-index: 6;
        }

        .left-panel {
            pointer-events: all;
            padding: 3rem 17% 2rem 12%;
        }

        .right-panel {
            pointer-events: none;
            padding: 3rem 12% 2rem 17%;
        }

        .panel .content {
            color: #fff;
            transition: transform .9s ease-in-out;
            transition-delay: .6s;
        }

        .panel h3 {
            font-weight: 600;
            line-height: 1;
            font-size: 1.5rem;
        }

        .panel p {
            font-size: .95rem;
            padding: .7rem 0;
        }

        .btn.transparent {
            margin: 0;
            background: 0;
            border: 2px solid #fff;
            width: 130px;
            height: 41px;
            font-weight: 600;
            font-size: .8rem;
        }

        .right-panel .image, .right-panel .content {
            transform: translateX(800px);
        }

        .container.sign-up-mode:before {
            transform: translate(100%, -50%);
            right: 52%;
        }

        .container.sign-up-mode .left-panel .image, .container.sign-up-mode .left-panel .content {
            transform: translateX(-800px);
        }

        .container.sign-up-mode .signin-signup {
            left: 25%;
        }

        .container.sign-up-mode form.sign-up-form {
            opacity: 1;
            z-index: 2;
        }

        .container.sign-up-mode form.sign-in-form {
            opacity: 0;
            z-index: 1;
        }

        .container.sign-up-mode .right-panel .image, .container.sign-up-mode .right-panel .content {
            transform: translateX(0%);
        }

        .container.sign-up-mode .left-panel {
            pointer-events: none;
        }

        .container.sign-up-mode .right-panel {
            pointer-events: all;
        }

        @media (max-width: 870px) {
            .container {
                min-height: 870px;
                height: 100vh;
            }

            .signin-signup {
                width: 100%;
                top: 95%;
                transform: translate(-50%, -100%);
                transition: 1s .8s ease-in-out;
            }

            .signin-signup, .container.sign-up-mode .signin-signup {
                left: 50%;
            }

            .panels-container {
                grid-template-columns: 1fr;
                grid-template-rows: 1fr 2fr 1fr;
            }

            .panel {
                flex-direction: row;
                justify-content: space-around;
                align-items: center;
                padding: 2.5rem 8%;
                grid-column: 1 / 2;
            }

            .right-panel {
                grid-row: 5 / 4;
            }

            .left-panel {
                grid-row: 1 / 2;
            }

            .image {
                width: 200px;
                transition: transform .9s ease-in-out;
                transition-delay: .6s;
            }

            .panel .content {
                padding-right: 15%;
                transition: transform .9s ease-in-out;
                transition-delay: .8s;
            }

            .panel h3 {
                font-size: 1.2rem;
            }

            .panel p {
                font-size: .7rem;
                padding: .5rem 0;
            }

            .btn.transparent {
                width: 110px;
                height: 35px;
                font-size: .7rem;
            }

            .container:before {
                width: 1500px;
                height: 1500px;
                transform: translateX(-50%);
                left: 30%;
                bottom: 68%;
                right: initial;
                top: initial;
                transition: 2s ease-in-out;
            }

            .container.sign-up-mode:before {
                transform: translate(-50%, 100%);
                bottom: 32%;
                right: initial;
            }

            .container.sign-up-mode .left-panel .image, .container.sign-up-mode .left-panel .content {
                transform: translateY(-300px);
            }

            .container.sign-up-mode .right-panel .image, .container.sign-up-mode .right-panel .content {
                transform: translateY(0px);
            }

            .right-panel .image, .right-panel .content {
                transform: translateY(300px);
            }

            .container.sign-up-mode .signin-signup {
                top: 5%;
                transform: translate(-50%, 0);
            }
        }

        @media (max-width: 570px) {
            form {
                padding: 0 1.5rem;
            }

            .image {
                display: none;
            }

            .panel .content {
                padding: .5rem 1rem;
            }

            .container {
                padding: 1.5rem;
            }

            .container:before {
                bottom: 72%;
                left: 50%;
            }

            .container.sign-up-mode:before {
                bottom: 18%;
                left: 50%;
            }
        }

/* 验证码样式 */
.captcha-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    max-width: 380px;
    margin-top: 10px;
}

.input-field {
    display: flex;
    align-items: center;
    background-color: #f0f0f0;
    border-radius: 55px;
    padding: 0 1rem;
    height: 55px;
    width: 100%;
}

.input-field input {
    background: 0;
    outline: 0;
    border: 0;
    line-height: 1;
    font-weight: 600;
    font-size: 1.1rem;
    color: #333;
    width: 100%;
    margin-left: 10px;
}

.captcha-image-container {
    margin-top: 10px;
    text-align: center;
}

.checkbox-adv {
    display: flex;
    align-items: center;
    margin-top: 10px;
}

.checkbox-adv input {
    margin-right: 5px;
}

.captcha-img {
    cursor: pointer;
    border: 1px solid #ccc;
    border-radius: 20px; /* 修改为较大的圆角半径 */
    height: 55px;
    width: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #f0f0f0;
    transition: background-color 0.3s ease;
}

.captcha-img:hover {
    background-color: #e0e0e0;
}

.captcha-img img {
    height: 100%;
    width: 100%;
    object-fit: contain;
}

        /* 服务条款样式 */
        .terms-text {
            font-size: 0.9rem;
            color: #666;
            margin-top: 15px;
            text-align: center;
            line-height: 1.5;
        }

        .terms-text a {
            color: #4481eb;
            text-decoration: underline;
            transition: color 0.3s ease;
        }

        .terms-text a:hover {
            color: #04befe;
        }
/* Logo 和标题容器样式 */
.logo-container {
    display: flex;
    align-items: center; /* 垂直居中 */
    justify-content: center; /* 水平居中 */
    margin-bottom: 20px; /* 与表单的间距 */
    flex-wrap: wrap; /* 允许换行 */
}

/* Logo 样式 */
.logo {
    max-width: 200px; /* 设置 Logo 的最大宽度 */
    height: auto; /* 高度自适应 */
    margin-right: 10px; /* 与标题的间距 */
    border-radius: 10px; /* 圆角效果 */
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1); /* 阴影效果 */
}

/* 标题样式 */
.title {
    font-size: 1.8rem; /* 标题字体大小 */
    color: #444; /* 标题颜色 */
    margin: 0; /* 去除默认的外边距 */
    white-space: nowrap; /* 防止标题换行 */
    font-weight: 600; /* 加粗字体 */
}

/* 响应式布局 */
@media (max-width: 768px) {
    /* 手机端样式 */
    .logo-container {
        flex-direction: column; /* 手机端改为垂直排列 */
    }

    .logo {
        margin-right: 0; /* 移除手机端的间距 */
        margin-bottom: 10px; /* 添加底部间距 */
    }

    .title {
        font-size: 1.5rem; /* 手机端字体稍小 */
    }
}        