.log_in_box {
        width: 500px;
        height: 320px;
        border-radius: 20px;
        border: 4px solid #ffffff;
        /*background: linear-gradient(to bottom right, #689C31, #BCD882);*/
		background: linear-gradient(to bottom right, #2e0c0c, #ed9d9d);
        box-sizing: border-box;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        padding: 20px;
        box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
        /* 新增陰影效果 */
    }

    .login_title {
        font-size: 30px;
        color: #ffffff;
        font-weight: bold;
        text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
        margin-bottom: 20px;
        text-align: center;
    }

    .login_form {
        width: 70%;
        display: flex;
        flex-direction: column;
        gap: 20px;

    }

    .login_input {
        padding: 12px 20px;
        border: 1px solid #ccc;
        border-radius: 10px;
        font-size: 16px;
        transition: border-color 0.3s, box-shadow 0.3s;
    }

    .login_input:focus {
        border-color: #689C31;
        box-shadow: 0 0 8px rgba(104, 156, 49, 0.6);
        outline: none;
    }

    .login_button {
        padding: 12px 20px;
        border: none;
        border-radius: 50px;
        background: linear-gradient(to bottom, #FFD700, #FFC107);
        color: #fff;
        font-size: 24px;
        font-weight: bold;
        text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
        cursor: pointer;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
        transition: background 0.3s, box-shadow 0.3s;
    }

    .login_button:hover {
        background: linear-gradient(to bottom, #FFC107, #FFA000);
        box-shadow: 0 6px 8px rgba(0, 0, 0, 0.3);
    }

    @media (max-width: 600px) {
        .log_in_box {
            width: 90%;
            height: auto;
            padding: 30px 20px;
        }

        .login_title {
            font-size: 20px;
        }

        .login_input {
            font-size: 14px;
            padding: 10px 15px;
        }

        .login_button {
            font-size: 16px;
            padding: 10px 15px;
        }
    }