/* ===== 表单通用 ===== */
.form-group { margin-bottom: 12px; }
.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    color: #333;
    font-size: 13px;
}
.form-group input,
.form-group textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 14px;
    box-sizing: border-box;
    font-family: inherit;
}
.form-group textarea { resize: vertical; min-height: 60px; }
.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}
.form-group .optional { color: #999; font-weight: 400; font-size: 11px; }
.form-group .required { color: #dc3545; }

/* ===== 表格通用 ===== */
table { width: 100%; border-collapse: collapse; margin-top: 15px; }
th, td { padding: 12px 15px; text-align: left; border-bottom: 1px solid #e0e0e0; }
th { background: #f8f9fa; font-weight: bold; color: #333; }
tr:hover { background: #e9ecef; }

/* ======================================================
   响应式 — 平板 (768px)
   ====================================================== */
@media (max-width: 768px) {
    .form-group {
        margin-bottom: 10px;
    }
    .form-group label {
        font-size: 12px;
        margin-bottom: 4px;
    }
    .form-group input,
    .form-group textarea {
        padding: 8px 10px;
        font-size: 13px;
    }

    /* 表格横向滚动 */
    .table-responsive {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    table {
        min-width: 500px;
        margin-top: 10px;
    }
    th, td {
        padding: 8px 10px;
        font-size: 13px;
    }
}

/* ======================================================
   响应式 — 手机 (480px)
   ====================================================== */
@media (max-width: 480px) {
    .form-group {
        margin-bottom: 8px;
    }
    .form-group label {
        font-size: 12px;
        margin-bottom: 3px;
    }
    .form-group input,
    .form-group textarea {
        padding: 8px 10px;
        font-size: 13px;
        border-radius: 6px;
    }
    .form-group textarea {
        min-height: 50px;
    }
    .form-group .optional {
        font-size: 10px;
    }

    /* 表格更紧凑、必须滚动 */
    table {
        min-width: 450px;
        margin-top: 8px;
    }
    th, td {
        padding: 6px 8px;
        font-size: 12px;
    }
}