.sidebar {
            width: 25vw;       /* 25% 视口宽度 */
            min-width: 250px;  /* 最小200像素 */
            padding: 10px;
            border-right: 1px solid #ccc;
            height: 95vh;  /* 固定高度 */
            display: flex;
            flex-direction: column;
}
.selected-panel {
            width: auto;
            flex-grow: 1;
            padding: 10px;
            overflow-y: auto;
            height: 95vh;
}

.submit-panel {
    width: 25vw;
    min-width: 200px;
    padding: 10px;
    display: flex;
    border-left: 1px solid #ccc; /* 加左边框作为分界线 */
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

        .sidebar > h2,
        .sidebar > form {
            /* 固定高度，或者自动撑开内容 */
            flex-shrink: 0;
        }

        .character-grid {
            list-style: none;
            padding: 0;
            margin: 0;
            flex-grow: 1;           /* 占满剩余空间 */
            overflow-y: auto;      /* 垂直滚动 */
            border-top: 1px solid #ddd;
        }

        .character-row {
            display: flex;
            align-items: center;
            height: 50px;  /* 固定高度 */
            padding: 0 8px;
            border-bottom: 1px solid #eee;
            cursor: pointer;
            box-sizing: border-box;
        }


        .character-row:hover {
            background-color: #f8f8f8;
        }

        .character-row input[type="checkbox"] {
            margin-right: 10px;
            pointer-events: none;  /* 避免点击被抢占，让整行控制切换 */
        }

        .character-icon {
            width: 50px;
            height: 50px;
        }

        .character-team {
            margin-right: 10px;
            font-size: 14px;
            color: #555;
        }

        .character-name {
            font-weight: bold;
            font-size: 14px;
            flex-grow: 1;
        }

        .character-info {
            font-size: 14px;
        }

        .selected-item:hover {
            background-color: #f0f0f0;
        }

button,
input[type="submit"],
input[type="button"] {
    padding: 4px 10px;    /* 减小内边距 */

    line-height: 1.2;
    height: auto;         /* 让高度自适应 */
    min-height: 35px;     /* 也可以限制最小高度 */
    border-radius: 3px;
}