body {
    font-family: 'Microsoft YaHei', Arial, sans-serif;
    background: #f7f9fa;
    margin: 0;
    padding: 0;
    min-height: 100vh;
}
header {
    background: #222e50;
    color: #fff;
    padding: 15px 0;
    text-align: center;
}
nav a {
    color: #fff;
    margin: 0 10px;
    text-decoration: none;
    font-size: 14px;
}
main {
    max-width: 600px;
    margin: 20px auto;
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    min-height: 70vh;
}
footer {
    text-align: center;
    color: #888;
    padding: 15px 0;
    background: #f0f0f0;
    margin-top: 20px;
}
.flashes {
    color: #007b43;
    margin-top: 15px;
}
button {
    background: #222e50;
    color: #fff;
    border: none;
    padding: 10px 20px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    width: 100%;
    margin-top: 10px;
}
button:hover {
    background: #1a2233;
}
.digital-form {
    margin-bottom: 30px;
}
.digital-form textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    resize: vertical;
    min-height: 100px;
    box-sizing: border-box;
}
.digital-form label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

/* 响应式设计 */
@media screen and (max-width: 768px) {
    main {
        max-width: 95%;
        margin: 10px;
        padding: 15px;
    }
    header {
        padding: 10px 0;
    }
    nav a {
        margin: 0 5px;
        font-size: 12px;
    }
    .digital-banner {
        padding: 20px 0 15px 0;
    }
    .digital-banner h2 {
        font-size: 1.5em;
    }
    .digital-banner p {
        font-size: 1em;
    }
    .digital-form {
        max-width: 95%;
        margin: 20px auto 0 auto;
        padding: 20px 15px 15px 15px;
    }
    .digital-form textarea {
        min-height: 80px;
    }
    button {
        font-size: 14px;
        padding: 8px 16px;
    }
    #pic_dig {
        max-width: 150px;
        max-height: 150px;
    }
    #video_dig {
        max-width: 250px;
        max-height: 250px;
    }
}

/* 确保数字人页面可以滚动 */
body {
    overflow-y: auto;
}

/* 确保所有表单区域都能显示 */
.digital-form {
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
}

/* 数字人页面特定样式 */
#digital-human-container {
    min-height: 600px;
}

/* 确保视频区域显示 */
#video_dig {
    display: block !important;
    margin: 10px auto;
}